hedgewars/uCollisions.pas
author alfadur
Tue, 30 Jun 2020 00:58:24 +0300
changeset 15677 116307c752f6
parent 15668 c2a1a34d1841
child 15678 c34cad72cd85
permissions -rw-r--r--
add separate hit order for sentries
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(*
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 * Hedgewars, a free turn based strategy game
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 * Copyright (c) 2004-2015 Andrey Korotaev <unC0Rr@gmail.com>
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 *
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 * This program is free software; you can redistribute it and/or modify
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 * it under the terms of the GNU General Public License as published by
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 * the Free Software Foundation; version 2 of the License
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 *
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 * This program is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 * GNU General Public License for more details.
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 *
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 * You should have received a copy of the GNU General Public License
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 * along with this program; if not, write to the Free Software
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 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
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 *)
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{$INCLUDE "options.inc"}
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unit uCollisions;
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interface
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uses uFloat, uTypes, uUtils;
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const cMaxGearArrayInd = 1023;
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const cMaxGearHitOrderInd = 1023;
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const cMaxGearProximityCacheInd = 1023;
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type PGearArray = ^TGearArray;
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    TGearArray = record
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        ar: array[0..cMaxGearArrayInd] of PGear;
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        cX: array[0..cMaxGearArrayInd] of LongInt;
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        cY: array[0..cMaxGearArrayInd] of LongInt;
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        Count: Longword
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        end;
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type PGearHitOrder = ^TGearHitOrder;
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    TGearHitOrder = record
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        ar: array[0..cMaxGearHitOrderInd] of PGear;
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        order: array[0..cMaxGearHitOrderInd] of LongInt;
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        Count: Longword
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        end;
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type PGearProximityCache = ^TGearProximityCache;
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    TGearProximityCache = record
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        ar: array[0..cMaxGearProximityCacheInd] of PGear;
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        Count: Longword
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        end;
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type TLineCollision = record
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        hasCollision: Boolean;
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        cX, cY: LongInt; //for visual effects only
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        end;
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type TKickTest = record
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        kick: Boolean;
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        collisionMask: Word;
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    end;
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procedure initModule;
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procedure freeModule;
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procedure AddCI(Gear: PGear);
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procedure DeleteCI(Gear: PGear);
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function  CheckGearsCollision(Gear: PGear): PGearArray;
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function  CheckAllGearsCollision(SourceGear: PGear): PGearArray;
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function  CheckCacheCollision(SourceGear: PGear): PGearArray;
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function  CheckGearsLineCollision(Gear: PGear; oX, oY, tX, tY: hwFloat): PGearArray;
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function  CheckAllGearsLineCollision(SourceGear: PGear; oX, oY, tX, tY: hwFloat): PGearArray;
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function  UpdateHitOrder(Gear: PGear; Order: LongInt): boolean; inline;
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function  UpdateGlobalHitOrder(Gear: PGear; Order: LongInt): boolean; inline;
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procedure ClearHitOrderLeq(MinOrder: LongInt); inline;
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procedure ClearGlobalHitOrderLeq(MinOrder: LongInt); inline;
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procedure ClearHitOrder();
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procedure RefillProximityCache(SourceGear: PGear; radius: LongInt);
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procedure RemoveFromProximityCache(Gear: PGear);
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procedure ClearProximityCache();
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function  TestCollisionXImpl(centerX, centerY, radius, direction: LongInt; collisionMask: Word): Word;
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function  TestCollisionYImpl(centerX, centerY, radius, direction: LongInt; collisionMask: Word): Word;
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function  TestCollisionXwithGear(Gear: PGear; Dir: LongInt): Word; inline;
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function  TestCollisionYwithGear(Gear: PGear; Dir: LongInt): Word; inline;
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function  TestCollisionX(Gear: PGear; Dir: LongInt): Word; inline;
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function  TestCollisionY(Gear: PGear; Dir: LongInt): Word; inline;
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function  TestCollisionXwithXYShift(Gear: PGear; ShiftX: hwFloat; ShiftY: LongInt; Dir: LongInt): Word; inline;
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function  TestCollisionXwithXYShift(Gear: PGear; ShiftX: hwFloat; ShiftY: LongInt; Dir: LongInt; withGear: boolean): Word; inline;
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function  TestCollisionYwithXYShift(Gear: PGear; ShiftX, ShiftY: LongInt; Dir: LongInt): Word; inline;
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function  TestCollisionYwithXYShift(Gear: PGear; ShiftX, ShiftY: LongInt; Dir: LongInt; withGear: boolean): Word; inline;
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function  TestCollisionXKickImpl(centerX, centerY, radius, direction: LongInt; collisionMask, kickMask: Word): TKickTest;
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function  TestCollisionYKickImpl(centerX, centerY, radius, direction: LongInt; collisionMask, kickMask: Word): TKickTest;
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function  TestCollisionXKick(Gear: PGear; Dir: LongInt): Word;
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function  TestCollisionYKick(Gear: PGear; Dir: LongInt): Word;
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function  TestRectangleForObstacle(x1, y1, x2, y2: LongInt; landOnly: boolean): boolean;
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function  CheckCoordInWater(X, Y: LongInt): boolean; inline;
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// returns: negative sign if going downhill to left, value is steepness (noslope/error = _0, 45 = _0_5)
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function  CalcSlopeBelowGear(Gear: PGear): hwFloat;
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function  CalcSlopeNearGear(Gear: PGear; dirX, dirY: LongInt): hwFloat;
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function  CalcSlopeTangent(Gear: PGear; collisionX, collisionY: LongInt; var outDeltaX, outDeltaY: LongInt; TestWord: LongWord): boolean;
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function CheckGearsUnderSprite(Sprite: TSprite; sprX, sprY, Frame: LongInt): boolean;
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implementation
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uses uConsts, uLandGraphics, uVariables, SDLh, uLandTexture, uDebug;
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type TCollisionEntry = record
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    X, Y, Radius: LongInt;
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    cGear: PGear;
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    end;
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const MAXRECTSINDEX = 1023;
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var Count: Longword;
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    cinfos: array[0..MAXRECTSINDEX] of TCollisionEntry;
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    ga: TGearArray;
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    ordera: TGearHitOrder;
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    globalordera: TGearHitOrder;
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    proximitya: TGearProximityCache;
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procedure AddCI(Gear: PGear);
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begin
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if (Gear^.CollisionIndex >= 0) or (Count > MAXRECTSINDEX) or
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    ((Count > MAXRECTSINDEX-200) and ((Gear^.Kind = gtMine) or (Gear^.Kind = gtSMine) or (Gear^.Kind = gtKnife))) then
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    exit;
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with cinfos[Count] do
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    begin
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    X:= hwRound(Gear^.X);
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    Y:= hwRound(Gear^.Y);
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    Radius:= Gear^.Radius;
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    ChangeRoundInLand(X, Y, Radius - 1, true,  ((CurrentHedgehog <> nil) and (Gear = CurrentHedgehog^.Gear)) or ((Gear^.Kind = gtCase) and (Gear^.State and gstFrozen = 0)), Gear^.Kind = gtHedgehog);
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    cGear:= Gear
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    end;
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Gear^.CollisionIndex:= Count;
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8313952b2811 suggestion of mikade's - delete old mines if the collision array shows signs of filling up. This is kind of an edge case, esp now that array is up to 1024, but should prevent (easiest) way to crash by collision array overflow (endless mines/minestrikes).
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inc(Count);
4
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   146
end;
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   147
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procedure DeleteCI(Gear: PGear);
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begin
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if Gear^.CollisionIndex >= 0 then
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    begin
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    with cinfos[Gear^.CollisionIndex] do
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c453620cc6d6 Break up the hog/object collision. Currently is $7F, allowing 128 overlapping objects accurately. Breaking it up into 15 for hogs, 7 for other objects. I'm thinking the overall accuracy should be just fine as far as people noticing even with a ton of overlapping hogs, and this way we can tell the difference between a hog and "something else". For experiment and rope-breaking purposes, make rope pass through hogs.
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        ChangeRoundInLand(X, Y, Radius - 1, false, ((CurrentHedgehog <> nil) and (Gear = CurrentHedgehog^.Gear)) or ((Gear^.Kind = gtCase) and (Gear^.State and gstFrozen = 0)), Gear^.Kind = gtHedgehog);
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    cinfos[Gear^.CollisionIndex]:= cinfos[Pred(Count)];
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    cinfos[Gear^.CollisionIndex].cGear^.CollisionIndex:= Gear^.CollisionIndex;
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    Gear^.CollisionIndex:= -1;
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    dec(Count)
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    end;
4
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   159
end;
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   160
10354
56bd029245fc WIP: weSea tweaks, functional and visual
sheepluva
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   161
function CheckCoordInWater(X, Y: LongInt): boolean; inline;
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   162
begin
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   163
    CheckCoordInWater:= (Y > cWaterLine)
14303
6015b74eea55 overall, using LongInt for leftX/rightX results in fewer casts, since most comparisons are against ints.
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   164
        or ((WorldEdge = weSea) and ((X < leftX) or (X > rightX)));
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   165
end;
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sheepluva
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   166
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   167
function CheckGearsCollision(Gear: PGear): PGearArray;
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   168
var mx, my, tr: LongInt;
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    i: Longword;
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begin
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a4ab75470ce1 - Some reformatting
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CheckGearsCollision:= @ga;
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ga.Count:= 0;
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
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   173
if Count = 0 then
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lovelacer
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   174
    exit;
351
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   175
mx:= hwRound(Gear^.X);
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   176
my:= hwRound(Gear^.Y);
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   177
4705
593ef1ad3cd3 ok. restore old [r + 1 + r] for gear width for a moment, and reset snowballs.
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   178
tr:= Gear^.Radius + 2;
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   179
3608
c509bbc779e7 Revert prior attempted optimisation. Gridding the land pays in some situations, but not all. Restricting to an upper bound might help, but overall, seems too fuzzy to be worth it. On one side is increased cost of Add/Delete + extra test on collision check, on the other is skipping the list iteration. Perhaps for large lists.
nemo
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   180
for i:= 0 to Pred(Count) do
c509bbc779e7 Revert prior attempted optimisation. Gridding the land pays in some situations, but not all. Restricting to an upper bound might help, but overall, seems too fuzzy to be worth it. On one side is increased cost of Add/Delete + extra test on collision check, on the other is skipping the list iteration. Perhaps for large lists.
nemo
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   181
    with cinfos[i] do
c509bbc779e7 Revert prior attempted optimisation. Gridding the land pays in some situations, but not all. Restricting to an upper bound might help, but overall, seems too fuzzy to be worth it. On one side is increased cost of Add/Delete + extra test on collision check, on the other is skipping the list iteration. Perhaps for large lists.
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   182
        if (Gear <> cGear) and
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bc63ed514b70 Minor fire tweak for readability and lethalness, remove exit condition that was hanging game (identified by jaylittle)
nemo
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   183
            (sqr(mx - x) + sqr(my - y) <= sqr(Radius + tr)) then
3608
c509bbc779e7 Revert prior attempted optimisation. Gridding the land pays in some situations, but not all. Restricting to an upper bound might help, but overall, seems too fuzzy to be worth it. On one side is increased cost of Add/Delete + extra test on collision check, on the other is skipping the list iteration. Perhaps for large lists.
nemo
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   184
                begin
c509bbc779e7 Revert prior attempted optimisation. Gridding the land pays in some situations, but not all. Restricting to an upper bound might help, but overall, seems too fuzzy to be worth it. On one side is increased cost of Add/Delete + extra test on collision check, on the other is skipping the list iteration. Perhaps for large lists.
nemo
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   185
                ga.ar[ga.Count]:= cinfos[i].cGear;
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   186
                ga.cX[ga.Count]:= hwround(Gear^.X);
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   187
                ga.cY[ga.Count]:= hwround(Gear^.Y);
3608
c509bbc779e7 Revert prior attempted optimisation. Gridding the land pays in some situations, but not all. Restricting to an upper bound might help, but overall, seems too fuzzy to be worth it. On one side is increased cost of Add/Delete + extra test on collision check, on the other is skipping the list iteration. Perhaps for large lists.
nemo
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   188
                inc(ga.Count)
c509bbc779e7 Revert prior attempted optimisation. Gridding the land pays in some situations, but not all. Restricting to an upper bound might help, but overall, seems too fuzzy to be worth it. On one side is increased cost of Add/Delete + extra test on collision check, on the other is skipping the list iteration. Perhaps for large lists.
nemo
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   189
                end
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   190
end;
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   191
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   192
function CheckAllGearsCollision(SourceGear: PGear): PGearArray;
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   193
var mx, my, tr: LongInt;
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    Gear: PGear;
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   195
begin
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   196
    CheckAllGearsCollision:= @ga;
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   197
    ga.Count:= 0;
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   198
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    mx:= hwRound(SourceGear^.X);
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    my:= hwRound(SourceGear^.Y);
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    tr:= SourceGear^.Radius + 2;
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   203
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    Gear:= GearsList;
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   205
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   206
    while Gear <> nil do
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        begin
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   208
            if (Gear <> SourceGear) and
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   209
               (sqr(mx - hwRound(Gear^.x)) + sqr(my - hwRound(Gear^.y)) <= sqr(Gear^.Radius + tr))then
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   210
            begin
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   211
                ga.ar[ga.Count]:= Gear;
14027
105793e575d6 make firepunch hit moving gears (airmines are not amused)
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   212
                ga.cX[ga.Count]:= mx;
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   213
                ga.cY[ga.Count]:= my;
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   214
                inc(ga.Count)
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   215
            end;
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   216
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            Gear := Gear^.NextGear
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   218
        end;
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   219
end;
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   220
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   221
function LineCollisionTest(oX, oY, dirX, dirY, dirNormSqr, dirNormBound: hwFloat;
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   222
        width: LongInt; Gear: PGear):
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   223
    TLineCollision; inline;
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   224
var toCenterX, toCenterY, r,
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   225
    b, bSqr, c, desc, t: hwFloat;
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   226
    realT: extended;
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   227
begin
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   228
    LineCollisionTest.hasCollision:= false;
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   229
    toCenterX:= (oX - Gear^.X);
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   230
    toCenterY:= (oY - Gear^.Y);
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   231
    r:= int2hwFloat(Gear^.Radius + width + 2);
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   232
    // Early cull to avoid multiplying large numbers
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   233
    if hwAbs(toCenterX) + hwAbs(toCenterY) > dirNormBound + r then
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   234
        exit;
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   235
    b:= dirX * toCenterX + dirY * toCenterY;
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   236
    c:= hwSqr(toCenterX) + hwSqr(toCenterY) - hwSqr(r);
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   237
    if (b > _0) and (c > _0) then
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   238
        exit;
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   239
    bSqr:= hwSqr(b);
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   240
    desc:= bSqr - dirNormSqr * c;
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   241
    if desc.isNegative then exit;
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   242
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   243
    t:= -b - hwSqrt(desc);
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   244
    if t.isNegative then t:= _0;
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   245
    if t < dirNormSqr then
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   246
        with LineCollisionTest do
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   247
            begin
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   248
            hasCollision:= true;
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   249
            realT := hwFloat2Float(t) / hwFloat2Float(dirNormSqr);
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   250
            cX:= round(hwFloat2Float(oX) + realT * hwFloat2Float(dirX));
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   251
            cY:= round(hwFloat2Float(oY) + realT * hwFloat2Float(dirY));
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   252
            end;
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   253
end;
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   254
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   255
function CheckGearsLineCollision(Gear: PGear; oX, oY, tX, tY: hwFloat): PGearArray;
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   256
var dirX, dirY, dirNormSqr, dirNormBound: hwFloat;
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   257
    test: TLineCollision;
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   258
    i: Longword;
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   259
begin
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   260
    CheckGearsLineCollision:= @ga;
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   261
    ga.Count:= 0;
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   262
    if Count = 0 then
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   263
        exit;
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   264
    dirX:= (tX - oX);
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   265
    dirY:= (tY - oY);
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   266
    dirNormBound:= _1_5 * (hwAbs(dirX) + hwAbs(dirY));
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   267
    dirNormSqr:= hwSqr(dirX) + hwSqr(dirY);
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   268
    if dirNormSqr.isNegative then
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   269
        exit;
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   270
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   271
    for i:= 0 to Pred(Count) do
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   272
        with cinfos[i] do if Gear <> cGear then
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   273
            begin
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   274
            test:= LineCollisionTest(
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   275
                oX, oY, dirX, dirY, dirNormSqr, dirNormBound, Gear^.Radius, cGear);
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   276
            if test.hasCollision then
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   277
                begin
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   278
                ga.ar[ga.Count] := cGear;
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   279
                ga.cX[ga.Count] := test.cX;
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   280
                ga.cY[ga.Count] := test.cY;
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   281
                inc(ga.Count)
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   282
                end
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   283
            end
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   284
end;
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   285
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   286
function CheckAllGearsLineCollision(SourceGear: PGear; oX, oY, tX, tY: hwFloat): PGearArray;
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   287
var dirX, dirY, dirNormSqr, dirNormBound: hwFloat;
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   288
    test: TLineCollision;
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   289
    Gear: PGear;
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   290
begin
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   291
    CheckAllGearsLineCollision:= @ga;
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   292
    ga.Count:= 0;
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   293
    dirX:= (tX - oX);
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   294
    dirY:= (tY - oY);
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   295
    dirNormBound:= _1_5 * (hwAbs(dirX) + hwAbs(dirY));
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   296
    dirNormSqr:= hwSqr(dirX) + hwSqr(dirY);
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   297
    if dirNormSqr.isNegative then
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   298
        exit;
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   299
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   300
    Gear:= GearsList;
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   301
    while Gear <> nil do
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   302
    begin
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   303
        if SourceGear <> Gear then
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   304
            begin
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   305
            test:= LineCollisionTest(
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   306
                oX, oY, dirX, dirY, dirNormSqr, dirNormBound, SourceGear^.Radius, Gear);
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   307
            if test.hasCollision then
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   308
                begin
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   309
                ga.ar[ga.Count] := Gear;
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   310
                ga.cX[ga.Count] := test.cX;
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   311
                ga.cY[ga.Count] := test.cY;
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   312
                inc(ga.Count)
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   313
                end
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   314
            end;
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   315
        Gear := Gear^.NextGear
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   316
    end;
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   317
end;
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   318
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   319
function CheckCacheCollision(SourceGear: PGear): PGearArray;
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   320
var mx, my, tr, i: LongInt;
105793e575d6 make firepunch hit moving gears (airmines are not amused)
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   321
    Gear: PGear;
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   322
begin
105793e575d6 make firepunch hit moving gears (airmines are not amused)
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   323
    CheckCacheCollision:= @ga;
105793e575d6 make firepunch hit moving gears (airmines are not amused)
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   324
    ga.Count:= 0;
105793e575d6 make firepunch hit moving gears (airmines are not amused)
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   325
105793e575d6 make firepunch hit moving gears (airmines are not amused)
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   326
    mx:= hwRound(SourceGear^.X);
105793e575d6 make firepunch hit moving gears (airmines are not amused)
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   327
    my:= hwRound(SourceGear^.Y);
105793e575d6 make firepunch hit moving gears (airmines are not amused)
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diff changeset
   328
105793e575d6 make firepunch hit moving gears (airmines are not amused)
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   329
    tr:= SourceGear^.Radius + 2;
105793e575d6 make firepunch hit moving gears (airmines are not amused)
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   330
105793e575d6 make firepunch hit moving gears (airmines are not amused)
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   331
    for i:= 0 to proximitya.Count - 1 do
105793e575d6 make firepunch hit moving gears (airmines are not amused)
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   332
    begin
105793e575d6 make firepunch hit moving gears (airmines are not amused)
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   333
        Gear:= proximitya.ar[i];
105793e575d6 make firepunch hit moving gears (airmines are not amused)
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diff changeset
   334
        // Assuming the cache has been filled correctly, it will not contain SourceGear
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   335
        // and other gears won't be far enough for sqr overflow
105793e575d6 make firepunch hit moving gears (airmines are not amused)
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   336
        if (sqr(mx - hwRound(Gear^.X)) + sqr(my - hwRound(Gear^.Y)) <= sqr(Gear^.Radius + tr)) then
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diff changeset
   337
        begin
105793e575d6 make firepunch hit moving gears (airmines are not amused)
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   338
            ga.ar[ga.Count]:= Gear;
105793e575d6 make firepunch hit moving gears (airmines are not amused)
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   339
            ga.cX[ga.Count]:= mx;
105793e575d6 make firepunch hit moving gears (airmines are not amused)
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   340
            ga.cY[ga.Count]:= my;
105793e575d6 make firepunch hit moving gears (airmines are not amused)
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   341
            inc(ga.Count)
105793e575d6 make firepunch hit moving gears (airmines are not amused)
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diff changeset
   342
        end;
105793e575d6 make firepunch hit moving gears (airmines are not amused)
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diff changeset
   343
    end;
105793e575d6 make firepunch hit moving gears (airmines are not amused)
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   344
end;
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   345
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116307c752f6 add separate hit order for sentries
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   346
function UpdateHitOrderImpl(HitOrder: PGearHitOrder; Gear: PGear; Order: LongInt): boolean;
12898
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   347
var i: LongInt;
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   348
begin
15677
116307c752f6 add separate hit order for sentries
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   349
    UpdateHitOrderImpl:= true;
116307c752f6 add separate hit order for sentries
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   350
    for i := 0 to HitOrder^.Count - 1 do
116307c752f6 add separate hit order for sentries
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   351
        if HitOrder^.ar[i] = Gear then
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   352
        begin
15677
116307c752f6 add separate hit order for sentries
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parents: 15668
diff changeset
   353
            if Order <= HitOrder^.order[i] then
116307c752f6 add separate hit order for sentries
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parents: 15668
diff changeset
   354
                UpdateHitOrderImpl := false;
116307c752f6 add separate hit order for sentries
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parents: 15668
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   355
            HitOrder^.order[i] := Max(HitOrder^.order[i], Order);
116307c752f6 add separate hit order for sentries
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   356
            exit;
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diff changeset
   357
        end;
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parents: 11589
diff changeset
   358
15677
116307c752f6 add separate hit order for sentries
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parents: 15668
diff changeset
   359
    if HitOrder^.Count > cMaxGearHitOrderInd then
116307c752f6 add separate hit order for sentries
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parents: 15668
diff changeset
   360
        UpdateHitOrderImpl := false
116307c752f6 add separate hit order for sentries
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parents: 15668
diff changeset
   361
    else
12898
8a40ce061d94 Machinegun. also tweaked ignore
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parents: 11589
diff changeset
   362
    begin
15677
116307c752f6 add separate hit order for sentries
alfadur
parents: 15668
diff changeset
   363
        HitOrder^.ar[HitOrder^.Count] := Gear;
116307c752f6 add separate hit order for sentries
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parents: 15668
diff changeset
   364
        HitOrder^.order[HitOrder^.Count] := Order;
116307c752f6 add separate hit order for sentries
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parents: 15668
diff changeset
   365
        Inc(HitOrder^.Count);
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parents: 11589
diff changeset
   366
    end
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   367
end;
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diff changeset
   368
15677
116307c752f6 add separate hit order for sentries
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diff changeset
   369
function UpdateHitOrder(Gear: PGear; Order: LongInt): boolean; inline;
116307c752f6 add separate hit order for sentries
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diff changeset
   370
begin
116307c752f6 add separate hit order for sentries
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parents: 15668
diff changeset
   371
    UpdateHitOrder := UpdateHitOrderImpl(@ordera, Gear, Order);
116307c752f6 add separate hit order for sentries
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parents: 15668
diff changeset
   372
end;
116307c752f6 add separate hit order for sentries
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diff changeset
   373
116307c752f6 add separate hit order for sentries
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   374
function UpdateGlobalHitOrder(Gear: PGear; Order: LongInt): boolean; inline;
116307c752f6 add separate hit order for sentries
alfadur
parents: 15668
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   375
begin
116307c752f6 add separate hit order for sentries
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parents: 15668
diff changeset
   376
    UpdateGlobalHitOrder := UpdateHitOrderImpl(@globalordera, Gear, Order);
116307c752f6 add separate hit order for sentries
alfadur
parents: 15668
diff changeset
   377
end;
116307c752f6 add separate hit order for sentries
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diff changeset
   378
116307c752f6 add separate hit order for sentries
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   379
procedure ClearHitOrderLeqImpl(HitOrder: PGearHitOrder; MinOrder: LongInt);
12898
8a40ce061d94 Machinegun. also tweaked ignore
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parents: 11589
diff changeset
   380
var i, freeIndex: LongInt;
8a40ce061d94 Machinegun. also tweaked ignore
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parents: 11589
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   381
begin;
15677
116307c752f6 add separate hit order for sentries
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parents: 15668
diff changeset
   382
    freeIndex:= 0;
116307c752f6 add separate hit order for sentries
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parents: 15668
diff changeset
   383
    i:= 0;
12898
8a40ce061d94 Machinegun. also tweaked ignore
alfadur
parents: 11589
diff changeset
   384
15677
116307c752f6 add separate hit order for sentries
alfadur
parents: 15668
diff changeset
   385
    while i < ordera.Count do
12898
8a40ce061d94 Machinegun. also tweaked ignore
alfadur
parents: 11589
diff changeset
   386
    begin
15677
116307c752f6 add separate hit order for sentries
alfadur
parents: 15668
diff changeset
   387
        if HitOrder^.order[i] <= MinOrder then
116307c752f6 add separate hit order for sentries
alfadur
parents: 15668
diff changeset
   388
            Dec(HitOrder^.Count)
12898
8a40ce061d94 Machinegun. also tweaked ignore
alfadur
parents: 11589
diff changeset
   389
        else
15677
116307c752f6 add separate hit order for sentries
alfadur
parents: 15668
diff changeset
   390
        begin
116307c752f6 add separate hit order for sentries
alfadur
parents: 15668
diff changeset
   391
            if freeIndex < i then
12898
8a40ce061d94 Machinegun. also tweaked ignore
alfadur
parents: 11589
diff changeset
   392
            begin
15677
116307c752f6 add separate hit order for sentries
alfadur
parents: 15668
diff changeset
   393
                HitOrder^.ar[freeIndex]:= HitOrder^.ar[i];
116307c752f6 add separate hit order for sentries
alfadur
parents: 15668
diff changeset
   394
                HitOrder^.order[freeIndex]:= HitOrder^.order[i];
116307c752f6 add separate hit order for sentries
alfadur
parents: 15668
diff changeset
   395
            end;
12898
8a40ce061d94 Machinegun. also tweaked ignore
alfadur
parents: 11589
diff changeset
   396
            Inc(freeIndex);
15677
116307c752f6 add separate hit order for sentries
alfadur
parents: 15668
diff changeset
   397
        end;
12898
8a40ce061d94 Machinegun. also tweaked ignore
alfadur
parents: 11589
diff changeset
   398
        Inc(i)
8a40ce061d94 Machinegun. also tweaked ignore
alfadur
parents: 11589
diff changeset
   399
    end
8a40ce061d94 Machinegun. also tweaked ignore
alfadur
parents: 11589
diff changeset
   400
end;
8a40ce061d94 Machinegun. also tweaked ignore
alfadur
parents: 11589
diff changeset
   401
15677
116307c752f6 add separate hit order for sentries
alfadur
parents: 15668
diff changeset
   402
procedure ClearHitOrderLeq(MinOrder: LongInt); inline;
116307c752f6 add separate hit order for sentries
alfadur
parents: 15668
diff changeset
   403
begin
116307c752f6 add separate hit order for sentries
alfadur
parents: 15668
diff changeset
   404
    ClearHitOrderLeqImpl(@ordera, MinOrder);
116307c752f6 add separate hit order for sentries
alfadur
parents: 15668
diff changeset
   405
end;
116307c752f6 add separate hit order for sentries
alfadur
parents: 15668
diff changeset
   406
116307c752f6 add separate hit order for sentries
alfadur
parents: 15668
diff changeset
   407
procedure ClearGlobalHitOrderLeq(MinOrder: LongInt); inline;
116307c752f6 add separate hit order for sentries
alfadur
parents: 15668
diff changeset
   408
begin
116307c752f6 add separate hit order for sentries
alfadur
parents: 15668
diff changeset
   409
    ClearHitOrderLeqImpl(@globalordera, MinOrder);
116307c752f6 add separate hit order for sentries
alfadur
parents: 15668
diff changeset
   410
end;
116307c752f6 add separate hit order for sentries
alfadur
parents: 15668
diff changeset
   411
12898
8a40ce061d94 Machinegun. also tweaked ignore
alfadur
parents: 11589
diff changeset
   412
procedure ClearHitOrder();
8a40ce061d94 Machinegun. also tweaked ignore
alfadur
parents: 11589
diff changeset
   413
begin
8a40ce061d94 Machinegun. also tweaked ignore
alfadur
parents: 11589
diff changeset
   414
    ordera.Count:= 0;
8a40ce061d94 Machinegun. also tweaked ignore
alfadur
parents: 11589
diff changeset
   415
end;
8a40ce061d94 Machinegun. also tweaked ignore
alfadur
parents: 11589
diff changeset
   416
14027
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13470
diff changeset
   417
procedure RefillProximityCache(SourceGear: PGear; radius: LongInt);
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13470
diff changeset
   418
var cx, cy, dx, dy, r: LongInt;
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13470
diff changeset
   419
    Gear: PGear;
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13470
diff changeset
   420
begin
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13470
diff changeset
   421
    proximitya.Count:= 0;
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13470
diff changeset
   422
    cx:= hwRound(SourceGear^.X);
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13470
diff changeset
   423
    cy:= hwRound(SourceGear^.Y);
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13470
diff changeset
   424
    Gear:= GearsList;
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13470
diff changeset
   425
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13470
diff changeset
   426
    while (Gear <> nil) and (proximitya.Count <= cMaxGearProximityCacheInd) do
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13470
diff changeset
   427
    begin
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13470
diff changeset
   428
        dx:= abs(hwRound(Gear^.X) - cx);
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13470
diff changeset
   429
        dy:= abs(hwRound(Gear^.Y) - cy);
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13470
diff changeset
   430
        r:= radius + Gear^.radius + 2;
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13470
diff changeset
   431
        if (Gear <> SourceGear) and (max(dx, dy) <= r) and (sqr(dx) + sqr(dy) <= sqr(r)) then
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13470
diff changeset
   432
        begin
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13470
diff changeset
   433
            proximitya.ar[proximitya.Count]:= Gear;
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13470
diff changeset
   434
            inc(proximitya.Count)
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13470
diff changeset
   435
        end;
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13470
diff changeset
   436
        Gear := Gear^.NextGear
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13470
diff changeset
   437
    end;
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13470
diff changeset
   438
end;
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13470
diff changeset
   439
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13470
diff changeset
   440
procedure RemoveFromProximityCache(Gear: PGear);
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13470
diff changeset
   441
var i: LongInt;
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13470
diff changeset
   442
begin
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13470
diff changeset
   443
    i := 0;
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13470
diff changeset
   444
    while i < proximitya.Count do
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13470
diff changeset
   445
        begin
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13470
diff changeset
   446
        if proximitya.ar[i] = Gear then
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13470
diff changeset
   447
            begin
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13470
diff changeset
   448
                proximitya.ar[i]:= proximitya.ar[proximitya.Count - 1];
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13470
diff changeset
   449
                dec(proximitya.Count);
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13470
diff changeset
   450
            end
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13470
diff changeset
   451
        else
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13470
diff changeset
   452
            inc(i);
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13470
diff changeset
   453
        end;
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13470
diff changeset
   454
end;
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13470
diff changeset
   455
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13470
diff changeset
   456
procedure ClearProximityCache();
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13470
diff changeset
   457
begin
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13470
diff changeset
   458
    proximitya.Count:= 0;
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13470
diff changeset
   459
end;
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13470
diff changeset
   460
15668
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   461
function TestCollisionXImpl(centerX, centerY, radius, direction: LongInt; collisionMask: Word): Word;
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   462
var x, y, minY, maxY: LongInt;
4
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   463
begin
15668
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   464
    if direction < 0 then
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   465
        x := centerX - radius
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   466
    else
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   467
        x := centerX + radius;
838
1faae19f2116 Remove tailing spaces in some places
unc0rr
parents: 542
diff changeset
   468
15668
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   469
    if (x and LAND_WIDTH_MASK) = 0 then
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   470
    begin
15668
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   471
        minY := max(centerY - radius + 1, 0);
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   472
        maxY := min(centerY + radius - 1, LAND_HEIGHT - 1);
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   473
        for y := minY to maxY do
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   474
            if Land[y, x] and collisionMask <> 0 then
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   475
                exit(Land[y, x] and collisionMask);
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   476
    end;
15668
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   477
    TestCollisionXImpl := 0;
4
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   478
end;
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   479
15668
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   480
function TestCollisionYImpl(centerX, centerY, radius, direction: LongInt; collisionMask: Word): Word;
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   481
var x, y, minX, maxX: LongInt;
505
fcba7d7aea0d Fix old bug with grenade(bomd, etc..) not colliding with attacking hedgehog
unc0rr
parents: 504
diff changeset
   482
begin
15668
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   483
    if direction < 0 then
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   484
        y := centerY - radius
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   485
    else
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   486
        y := centerY + radius;
7268
3a61c53346a8 - Fix cake bug introduced in r2ccfc93c6b5e
unc0rr
parents: 6992
diff changeset
   487
15668
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   488
    if (y and LAND_HEIGHT_MASK) = 0 then
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   489
    begin
15668
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   490
        minX := max(centerX - radius + 1, 0);
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   491
        maxX := min(centerX + radius - 1, LAND_WIDTH - 1);
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   492
        for x := minX to maxX do
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   493
            if Land[y, x] and collisionMask <> 0 then
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   494
                exit(Land[y, x] and collisionMask);
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   495
    end;
15668
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   496
    TestCollisionYImpl := 0;
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   497
end;
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   498
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   499
function TestCollisionX(Gear: PGear; Dir: LongInt): Word; inline;
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   500
begin
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   501
    TestCollisionX := TestCollisionXImpl(hwRound(Gear^.X), hwRound(Gear^.Y), Gear^.Radius, Dir, Gear^.CollisionMask and lfLandMask);
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   502
end;
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   503
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   504
function TestCollisionY(Gear: PGear; Dir: LongInt): Word; inline;
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   505
begin
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   506
    TestCollisionY := TestCollisionYImpl(hwRound(Gear^.X), hwRound(Gear^.Y), Gear^.Radius, Dir, Gear^.CollisionMask and lfLandMask);
505
fcba7d7aea0d Fix old bug with grenade(bomd, etc..) not colliding with attacking hedgehog
unc0rr
parents: 504
diff changeset
   507
end;
fcba7d7aea0d Fix old bug with grenade(bomd, etc..) not colliding with attacking hedgehog
unc0rr
parents: 504
diff changeset
   508
15668
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   509
procedure LegacyFixupX(Gear: PGear);
513
69e06d710d46 Moving hedgehog could get another hedgehog moving forward
unc0rr
parents: 511
diff changeset
   510
begin
15668
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   511
// Special case to emulate the old intersect gear clearing, but with a bit of slop for pixel overlap
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   512
    if (Gear^.CollisionMask = lfNotCurHogCrate) and (Gear^.Kind <> gtHedgehog) and (Gear^.Hedgehog <> nil) and (Gear^.Hedgehog^.Gear <> nil) and
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   513
    ((hwRound(Gear^.Hedgehog^.Gear^.X) + Gear^.Hedgehog^.Gear^.Radius + 16 < hwRound(Gear^.X) - Gear^.Radius) or
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   514
    (hwRound(Gear^.Hedgehog^.Gear^.X) - Gear^.Hedgehog^.Gear^.Radius - 16 > hwRound(Gear^.X) + Gear^.Radius)) then
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   515
        Gear^.CollisionMask:= lfAll;
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   516
end;
513
69e06d710d46 Moving hedgehog could get another hedgehog moving forward
unc0rr
parents: 511
diff changeset
   517
15668
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   518
procedure LegacyFixupY(Gear: PGear);
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   519
begin
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   520
// Special case to emulate the old intersect gear clearing, but with a bit of slop for pixel overlap
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   521
    if (Gear^.CollisionMask = lfNotCurHogCrate) and (Gear^.Kind <> gtHedgehog) and (Gear^.Hedgehog <> nil) and (Gear^.Hedgehog^.Gear <> nil) and
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   522
    ((hwRound(Gear^.Hedgehog^.Gear^.Y) + Gear^.Hedgehog^.Gear^.Radius + 16 < hwRound(Gear^.Y) - Gear^.Radius) or
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   523
    (hwRound(Gear^.Hedgehog^.Gear^.Y) - Gear^.Hedgehog^.Gear^.Radius - 16 > hwRound(Gear^.Y) + Gear^.Radius)) then
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   524
        Gear^.CollisionMask:= lfAll;
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   525
end;
513
69e06d710d46 Moving hedgehog could get another hedgehog moving forward
unc0rr
parents: 511
diff changeset
   526
15668
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   527
function TestCollisionXwithGear(Gear: PGear; Dir: LongInt): Word; inline;
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   528
begin
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   529
    LegacyFixupX(Gear);
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   530
    TestCollisionXwithGear:= TestCollisionXImpl(hwRound(Gear^.X), hwRound(Gear^.Y), Gear^.Radius, Dir, Gear^.CollisionMask);
513
69e06d710d46 Moving hedgehog could get another hedgehog moving forward
unc0rr
parents: 511
diff changeset
   531
end;
69e06d710d46 Moving hedgehog could get another hedgehog moving forward
unc0rr
parents: 511
diff changeset
   532
15668
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   533
function TestCollisionYwithGear(Gear: PGear; Dir: LongInt): Word; inline;
513
69e06d710d46 Moving hedgehog could get another hedgehog moving forward
unc0rr
parents: 511
diff changeset
   534
begin
15668
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   535
    LegacyFixupY(Gear);
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   536
    TestCollisionYwithGear:= TestCollisionYImpl(hwRound(Gear^.X), hwRound(Gear^.Y), Gear^.Radius, Dir, Gear^.CollisionMask);
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   537
end;
6990
40e5af28d026 change every return value into a more pascal-ish form, using the name of the fucntion (helps the parser and macpas compaitilibity)
koda
parents: 6986
diff changeset
   538
15668
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   539
function TestCollisionXwithXYShift(Gear: PGear; ShiftX: hwFloat; ShiftY: LongInt; Dir: LongInt; withGear: boolean): Word; inline;
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   540
var collisionMask: Word;
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   541
begin
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   542
    if withGear then
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   543
    begin
15668
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   544
        LegacyFixupX(Gear);
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   545
        collisionMask:= Gear^.CollisionMask;
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   546
    end
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   547
    else
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   548
        collisionMask:= Gear^.CollisionMask and lfLandMask;
967
8be3938d73c2 Don't let jumping hedgehog to move others
unc0rr
parents: 906
diff changeset
   549
15668
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   550
    TestCollisionXwithXYShift := TestCollisionXImpl(hwRound(Gear^.X + ShiftX), hwRound(Gear^.Y) + ShiftY, Gear^.Radius, Dir, collisionMask)
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   551
end;
513
69e06d710d46 Moving hedgehog could get another hedgehog moving forward
unc0rr
parents: 511
diff changeset
   552
15668
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   553
function TestCollisionYwithXYShift(Gear: PGear; ShiftX, ShiftY: LongInt; Dir: LongInt; withGear: boolean): Word; inline;
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   554
var collisionMask: Word;
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   555
begin
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   556
    if withGear then
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   557
    begin
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   558
        LegacyFixupY(Gear);
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   559
        collisionMask:= Gear^.CollisionMask;
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   560
    end
15668
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   561
    else
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   562
        collisionMask:= Gear^.CollisionMask and lfLandMask;
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   563
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   564
    TestCollisionYwithXYShift := TestCollisionYImpl(hwRound(Gear^.X) + ShiftX, hwRound(Gear^.Y) + ShiftY, Gear^.Radius, Dir, collisionMask)
513
69e06d710d46 Moving hedgehog could get another hedgehog moving forward
unc0rr
parents: 511
diff changeset
   565
end;
69e06d710d46 Moving hedgehog could get another hedgehog moving forward
unc0rr
parents: 511
diff changeset
   566
9706
5178d2263521 return land word from uCollisions to make decisions based on it. Should be handy for trampoline.
nemo
parents: 9305
diff changeset
   567
function TestCollisionXwithXYShift(Gear: PGear; ShiftX: hwFloat; ShiftY: LongInt; Dir: LongInt): Word; inline;
6986
409dd3851309 add support for default pascal mode by removing default arguments value (maybe this also helps the parser)
koda
parents: 6700
diff changeset
   568
begin
409dd3851309 add support for default pascal mode by removing default arguments value (maybe this also helps the parser)
koda
parents: 6700
diff changeset
   569
    TestCollisionXwithXYShift:= TestCollisionXwithXYShift(Gear, ShiftX, ShiftY, Dir, true);
409dd3851309 add support for default pascal mode by removing default arguments value (maybe this also helps the parser)
koda
parents: 6700
diff changeset
   570
end;
409dd3851309 add support for default pascal mode by removing default arguments value (maybe this also helps the parser)
koda
parents: 6700
diff changeset
   571
9706
5178d2263521 return land word from uCollisions to make decisions based on it. Should be handy for trampoline.
nemo
parents: 9305
diff changeset
   572
function TestCollisionYwithXYShift(Gear: PGear; ShiftX, ShiftY: LongInt; Dir: LongInt): Word; inline;
6986
409dd3851309 add support for default pascal mode by removing default arguments value (maybe this also helps the parser)
koda
parents: 6700
diff changeset
   573
begin
409dd3851309 add support for default pascal mode by removing default arguments value (maybe this also helps the parser)
koda
parents: 6700
diff changeset
   574
    TestCollisionYwithXYShift:= TestCollisionYwithXYShift(Gear, ShiftX, ShiftY, Dir, true);
409dd3851309 add support for default pascal mode by removing default arguments value (maybe this also helps the parser)
koda
parents: 6700
diff changeset
   575
end;
409dd3851309 add support for default pascal mode by removing default arguments value (maybe this also helps the parser)
koda
parents: 6700
diff changeset
   576
15668
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   577
function TestCollisionXKickImpl(centerX, centerY, radius, direction: LongInt; collisionMask, kickMask: Word): TKickTest;
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   578
var x, y, minY, maxY: LongInt;
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   579
begin
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   580
    TestCollisionXKickImpl.kick := false;
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   581
    TestCollisionXKickImpl.collisionMask := 0;
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   582
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   583
    if direction < 0 then
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   584
        x := centerX - radius
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   585
    else
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   586
        x := centerX + radius;
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   587
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   588
    if (x and LAND_WIDTH_MASK) = 0 then
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   589
    begin
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   590
        minY := max(centerY - radius + 1, 0);
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   591
        maxY := min(centerY + radius - 1, LAND_HEIGHT - 1);
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   592
        for y := minY to maxY do
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   593
            if Land[y, x] and collisionMask <> 0 then
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   594
            begin
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   595
                TestCollisionXKickImpl.kick := false;
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   596
                TestCollisionXKickImpl.collisionMask := Land[y, x] and collisionMask;
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   597
                exit
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   598
            end
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   599
            else if Land[y, x] and kickMask <> 0 then
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   600
            begin
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   601
                TestCollisionXKickImpl.kick := true;
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   602
                TestCollisionXKickImpl.collisionMask := Land[y, x] and kickMask;
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   603
            end;
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   604
    end;
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   605
end;
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   606
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   607
function TestCollisionYKickImpl(centerX, centerY, radius, direction: LongInt; collisionMask, kickMask: Word): TKickTest;
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   608
var x, y, minX, maxX: LongInt;
4
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   609
begin
15668
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   610
    TestCollisionYKickImpl.kick := false;
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   611
    TestCollisionYKickImpl.collisionMask := 0;
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   612
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   613
    if direction < 0 then
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   614
        y := centerY - radius
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   615
    else
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   616
        y := centerY + radius;
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   617
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   618
    if (y and LAND_HEIGHT_MASK) = 0 then
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   619
    begin
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   620
        minX := max(centerX - radius + 1, 0);
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   621
        maxX := min(centerX + radius - 1, LAND_WIDTH - 1);
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   622
        for x := minX to maxX do
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   623
            if Land[y, x] and collisionMask <> 0 then
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   624
            begin
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   625
                TestCollisionYKickImpl.kick := false;
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   626
                TestCollisionYKickImpl.collisionMask := Land[y, x] and collisionMask;
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   627
                exit
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   628
            end
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   629
            else if Land[y, x] and kickMask <> 0 then
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   630
            begin
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   631
                TestCollisionYKickImpl.kick := true;
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   632
                TestCollisionYKickImpl.collisionMask := Land[y, x] and kickMask;
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   633
            end;
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   634
    end;
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   635
end;
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   636
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   637
function TestCollisionXKick(Gear: PGear; Dir: LongInt): Word;
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   638
var centerX, centerY, i: LongInt;
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   639
    test: TKickTest;
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   640
    info: TCollisionEntry;
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   641
begin
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   642
    test := TestCollisionXKickImpl(
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   643
        hwRound(Gear^.X), hwRound(Gear^.Y),
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   644
        Gear^.Radius, Dir,
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   645
        Gear^.CollisionMask and lfLandMask, Gear^.CollisionMask);
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   646
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   647
    TestCollisionXKick := test.collisionMask;
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   648
15668
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   649
    if test.kick then
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   650
    begin
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   651
        if hwAbs(Gear^.dX) < cHHKick then
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   652
            exit;
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   653
        if ((Gear^.State and gstHHJumping) <> 0) and (hwAbs(Gear^.dX) < _0_4) then
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   654
            exit;
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   655
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   656
        centerX := hwRound(Gear^.X);
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   657
        centerY := hwRound(Gear^.Y);
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   658
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   659
        for i:= 0 to Pred(Count) do
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   660
        begin
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   661
            info:= cinfos[i];
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   662
            if (Gear <> info.cGear)
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   663
                and ((centerX > info.X) xor (Dir > 0))
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   664
                and ((info.cGear^.State and gstNotKickable) = 0)
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   665
                and ((info.cGear^.Kind in [gtHedgehog, gtMine, gtKnife])
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   666
                    or (info.cGear^.Kind = gtExplosives) and ((info.cGear^.State and gsttmpflag) <> 0)) // only apply X kick if the barrel is knocked over
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   667
                and (sqr(centerX - info.X) + sqr(centerY - info.Y) <= sqr(info.Radius + Gear^.Radius + 2)) then
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   668
            begin
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   669
                with info.cGear^ do
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   670
                begin
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   671
                    dX := Gear^.dX;
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   672
                    dY := Gear^.dY * _0_5;
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   673
                    State := State or gstMoving;
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   674
                    if Kind = gtKnife then State := State and (not gstCollision);
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   675
                    Active:= true
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   676
                end;
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   677
                DeleteCI(info.cGear);
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   678
                exit(0)
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   679
            end
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   680
        end
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   681
    end
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   682
end;
10015
4feced261c68 partial merge of the webgl branch
koda
parents: 9998 9950
diff changeset
   683
15668
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   684
function TestCollisionYKick(Gear: PGear; Dir: LongInt): Word;
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   685
var centerX, centerY, i: LongInt;
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   686
    test: TKickTest;
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   687
    info: TCollisionEntry;
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   688
begin
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   689
    test := TestCollisionYKickImpl(
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   690
        hwRound(Gear^.X), hwRound(Gear^.Y),
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   691
        Gear^.Radius, Dir,
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   692
        Gear^.CollisionMask and lfLandMask, Gear^.CollisionMask);
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   693
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   694
    TestCollisionYKick := test.collisionMask;
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   695
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   696
    if test.kick then
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   697
    begin
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   698
        if hwAbs(Gear^.dY) < cHHKick then
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   699
            exit;
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   700
        if ((Gear^.State and gstHHJumping) <> 0) and (not Gear^.dY.isNegative) and (Gear^.dY < _0_4) then
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   701
            exit;
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   702
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   703
        centerX := hwRound(Gear^.X);
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   704
        centerY := hwRound(Gear^.Y);
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   705
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   706
        for i := 0 to Pred(Count) do
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   707
        begin
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   708
            info := cinfos[i];
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   709
            if (Gear <> info.cGear)
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   710
                and ((centerY + Gear^.Radius > info.Y) xor (Dir > 0))
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   711
                and (info.cGear^.State and gstNotKickable = 0)
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   712
                and (info.cGear^.Kind in [gtHedgehog, gtMine, gtKnife, gtExplosives])
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   713
                and (sqr(centerX - info.X) + sqr(centerY - info.Y) <= sqr(info.Radius + Gear^.Radius + 2)) then
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   714
            begin
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   715
                with info.cGear^ do
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   716
                begin
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   717
                    if (Kind <> gtExplosives) or ((State and gsttmpflag) <> 0) then
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   718
                        dX := Gear^.dX * _0_5;
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   719
                    dY := Gear^.dY;
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   720
                    State := State or gstMoving;
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   721
                    if Kind = gtKnife then State:= State and (not gstCollision);
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   722
                    Active := true
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   723
                end;
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   724
                DeleteCI(info.cGear);
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   725
                exit(0)
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   726
            end
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   727
        end
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   728
    end
4
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   729
end;
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   730
10818
f642a28cab0c Add placement of airmines in engine outside of hog proximity. Has a bug, only protecting 1st team. Also fix a spelling error and rename gstHHChooseTarget to gstChooseTarget
nemo
parents: 10635
diff changeset
   731
function TestRectangleForObstacle(x1, y1, x2, y2: LongInt; landOnly: boolean): boolean;
5896
9ce1cf4e5a32 lua: boolean TestRectForObstacle(x1, y1, x2, y2, landOnly)
sheepluva
parents: 5834
diff changeset
   732
var x, y: LongInt;
9ce1cf4e5a32 lua: boolean TestRectForObstacle(x1, y1, x2, y2, landOnly)
sheepluva
parents: 5834
diff changeset
   733
    TestWord: LongWord;
9ce1cf4e5a32 lua: boolean TestRectForObstacle(x1, y1, x2, y2, landOnly)
sheepluva
parents: 5834
diff changeset
   734
begin
10818
f642a28cab0c Add placement of airmines in engine outside of hog proximity. Has a bug, only protecting 1st team. Also fix a spelling error and rename gstHHChooseTarget to gstChooseTarget
nemo
parents: 10635
diff changeset
   735
TestRectangleForObstacle:= true;
6990
40e5af28d026 change every return value into a more pascal-ish form, using the name of the fucntion (helps the parser and macpas compaitilibity)
koda
parents: 6986
diff changeset
   736
5896
9ce1cf4e5a32 lua: boolean TestRectForObstacle(x1, y1, x2, y2, landOnly)
sheepluva
parents: 5834
diff changeset
   737
if landOnly then
9ce1cf4e5a32 lua: boolean TestRectForObstacle(x1, y1, x2, y2, landOnly)
sheepluva
parents: 5834
diff changeset
   738
    TestWord:= 255
9ce1cf4e5a32 lua: boolean TestRectForObstacle(x1, y1, x2, y2, landOnly)
sheepluva
parents: 5834
diff changeset
   739
else
9ce1cf4e5a32 lua: boolean TestRectForObstacle(x1, y1, x2, y2, landOnly)
sheepluva
parents: 5834
diff changeset
   740
    TestWord:= 0;
3401
d5d31d16eccc add a part of my landslide vector collision and use if for the portal gun DirAngle, not flawless yet
sheepluva
parents: 3236
diff changeset
   741
5896
9ce1cf4e5a32 lua: boolean TestRectForObstacle(x1, y1, x2, y2, landOnly)
sheepluva
parents: 5834
diff changeset
   742
if x1 > x2 then
6990
40e5af28d026 change every return value into a more pascal-ish form, using the name of the fucntion (helps the parser and macpas compaitilibity)
koda
parents: 6986
diff changeset
   743
begin
5896
9ce1cf4e5a32 lua: boolean TestRectForObstacle(x1, y1, x2, y2, landOnly)
sheepluva
parents: 5834
diff changeset
   744
    x  := x1;
9ce1cf4e5a32 lua: boolean TestRectForObstacle(x1, y1, x2, y2, landOnly)
sheepluva
parents: 5834
diff changeset
   745
    x1 := x2;
9ce1cf4e5a32 lua: boolean TestRectForObstacle(x1, y1, x2, y2, landOnly)
sheepluva
parents: 5834
diff changeset
   746
    x2 := x;
6990
40e5af28d026 change every return value into a more pascal-ish form, using the name of the fucntion (helps the parser and macpas compaitilibity)
koda
parents: 6986
diff changeset
   747
end;
5896
9ce1cf4e5a32 lua: boolean TestRectForObstacle(x1, y1, x2, y2, landOnly)
sheepluva
parents: 5834
diff changeset
   748
9ce1cf4e5a32 lua: boolean TestRectForObstacle(x1, y1, x2, y2, landOnly)
sheepluva
parents: 5834
diff changeset
   749
if y1 > y2 then
6990
40e5af28d026 change every return value into a more pascal-ish form, using the name of the fucntion (helps the parser and macpas compaitilibity)
koda
parents: 6986
diff changeset
   750
begin
5896
9ce1cf4e5a32 lua: boolean TestRectForObstacle(x1, y1, x2, y2, landOnly)
sheepluva
parents: 5834
diff changeset
   751
    y  := y1;
9ce1cf4e5a32 lua: boolean TestRectForObstacle(x1, y1, x2, y2, landOnly)
sheepluva
parents: 5834
diff changeset
   752
    y1 := y2;
9ce1cf4e5a32 lua: boolean TestRectForObstacle(x1, y1, x2, y2, landOnly)
sheepluva
parents: 5834
diff changeset
   753
    y2 := y;
6990
40e5af28d026 change every return value into a more pascal-ish form, using the name of the fucntion (helps the parser and macpas compaitilibity)
koda
parents: 6986
diff changeset
   754
end;
5896
9ce1cf4e5a32 lua: boolean TestRectForObstacle(x1, y1, x2, y2, landOnly)
sheepluva
parents: 5834
diff changeset
   755
5919
f737843dd331 TestRectForObstacle: areas outside map borders are not passable
sheepluva
parents: 5896
diff changeset
   756
if (hasBorder and ((y1 < 0) or (x1 < 0) or (x2 > LAND_WIDTH))) then
6990
40e5af28d026 change every return value into a more pascal-ish form, using the name of the fucntion (helps the parser and macpas compaitilibity)
koda
parents: 6986
diff changeset
   757
    exit;
5919
f737843dd331 TestRectForObstacle: areas outside map borders are not passable
sheepluva
parents: 5896
diff changeset
   758
5896
9ce1cf4e5a32 lua: boolean TestRectForObstacle(x1, y1, x2, y2, landOnly)
sheepluva
parents: 5834
diff changeset
   759
for y := y1 to y2 do
9ce1cf4e5a32 lua: boolean TestRectForObstacle(x1, y1, x2, y2, landOnly)
sheepluva
parents: 5834
diff changeset
   760
    for x := x1 to x2 do
6990
40e5af28d026 change every return value into a more pascal-ish form, using the name of the fucntion (helps the parser and macpas compaitilibity)
koda
parents: 6986
diff changeset
   761
        if ((y and LAND_HEIGHT_MASK) = 0) and ((x and LAND_WIDTH_MASK) = 0) and (Land[y, x] > TestWord) then
40e5af28d026 change every return value into a more pascal-ish form, using the name of the fucntion (helps the parser and macpas compaitilibity)
koda
parents: 6986
diff changeset
   762
            exit;
5896
9ce1cf4e5a32 lua: boolean TestRectForObstacle(x1, y1, x2, y2, landOnly)
sheepluva
parents: 5834
diff changeset
   763
10818
f642a28cab0c Add placement of airmines in engine outside of hog proximity. Has a bug, only protecting 1st team. Also fix a spelling error and rename gstHHChooseTarget to gstChooseTarget
nemo
parents: 10635
diff changeset
   764
TestRectangleForObstacle:= false
5896
9ce1cf4e5a32 lua: boolean TestRectForObstacle(x1, y1, x2, y2, landOnly)
sheepluva
parents: 5834
diff changeset
   765
end;
9ce1cf4e5a32 lua: boolean TestRectForObstacle(x1, y1, x2, y2, landOnly)
sheepluva
parents: 5834
diff changeset
   766
9ce1cf4e5a32 lua: boolean TestRectForObstacle(x1, y1, x2, y2, landOnly)
sheepluva
parents: 5834
diff changeset
   767
function CalcSlopeTangent(Gear: PGear; collisionX, collisionY: LongInt; var outDeltaX, outDeltaY: LongInt; TestWord: LongWord): boolean;
3408
56e636b83cb4 tweak land angle detection/portal a bit
sheepluva
parents: 3407
diff changeset
   768
var ldx, ldy, rdx, rdy: LongInt;
6123
0cb751caf0ac make slope calcs skip small gaps
sheepluva
parents: 6081
diff changeset
   769
    i, j, k, mx, my, li, ri, jfr, jto, tmpo : ShortInt;
3401
d5d31d16eccc add a part of my landslide vector collision and use if for the portal gun DirAngle, not flawless yet
sheepluva
parents: 3236
diff changeset
   770
    tmpx, tmpy: LongWord;
3569
27b0ec683572 portal / slope detection:
sheepluva
parents: 3474
diff changeset
   771
    dx, dy, s: hwFloat;
6453
11c578d30bd3 Countless imporvements to the parser and countless help to the parser in sources.
unc0rr
parents: 6279
diff changeset
   772
    offset: array[0..7,0..1] of ShortInt;
6123
0cb751caf0ac make slope calcs skip small gaps
sheepluva
parents: 6081
diff changeset
   773
    isColl: Boolean;
3401
d5d31d16eccc add a part of my landslide vector collision and use if for the portal gun DirAngle, not flawless yet
sheepluva
parents: 3236
diff changeset
   774
d5d31d16eccc add a part of my landslide vector collision and use if for the portal gun DirAngle, not flawless yet
sheepluva
parents: 3236
diff changeset
   775
begin
6990
40e5af28d026 change every return value into a more pascal-ish form, using the name of the fucntion (helps the parser and macpas compaitilibity)
koda
parents: 6986
diff changeset
   776
    CalcSlopeTangent:= false;
40e5af28d026 change every return value into a more pascal-ish form, using the name of the fucntion (helps the parser and macpas compaitilibity)
koda
parents: 6986
diff changeset
   777
3401
d5d31d16eccc add a part of my landslide vector collision and use if for the portal gun DirAngle, not flawless yet
sheepluva
parents: 3236
diff changeset
   778
    dx:= Gear^.dX;
d5d31d16eccc add a part of my landslide vector collision and use if for the portal gun DirAngle, not flawless yet
sheepluva
parents: 3236
diff changeset
   779
    dy:= Gear^.dY;
3408
56e636b83cb4 tweak land angle detection/portal a bit
sheepluva
parents: 3407
diff changeset
   780
3569
27b0ec683572 portal / slope detection:
sheepluva
parents: 3474
diff changeset
   781
    // we start searching from the direction the gear came from
27b0ec683572 portal / slope detection:
sheepluva
parents: 3474
diff changeset
   782
    if (dx.QWordValue > _0_995.QWordValue )
27b0ec683572 portal / slope detection:
sheepluva
parents: 3474
diff changeset
   783
    or (dy.QWordValue > _0_995.QWordValue ) then
27b0ec683572 portal / slope detection:
sheepluva
parents: 3474
diff changeset
   784
        begin // scale
6279
7f724835ea57 I hope this helps...
sheepluva
parents: 6124
diff changeset
   785
        s := _0_995 / Distance(dx,dy);
3569
27b0ec683572 portal / slope detection:
sheepluva
parents: 3474
diff changeset
   786
        dx := s * dx;
27b0ec683572 portal / slope detection:
sheepluva
parents: 3474
diff changeset
   787
        dy := s * dy;
27b0ec683572 portal / slope detection:
sheepluva
parents: 3474
diff changeset
   788
        end;
27b0ec683572 portal / slope detection:
sheepluva
parents: 3474
diff changeset
   789
3408
56e636b83cb4 tweak land angle detection/portal a bit
sheepluva
parents: 3407
diff changeset
   790
    mx:= hwRound(Gear^.X-dx) - hwRound(Gear^.X);
56e636b83cb4 tweak land angle detection/portal a bit
sheepluva
parents: 3407
diff changeset
   791
    my:= hwRound(Gear^.Y-dy) - hwRound(Gear^.Y);
56e636b83cb4 tweak land angle detection/portal a bit
sheepluva
parents: 3407
diff changeset
   792
56e636b83cb4 tweak land angle detection/portal a bit
sheepluva
parents: 3407
diff changeset
   793
    li:= -1;
56e636b83cb4 tweak land angle detection/portal a bit
sheepluva
parents: 3407
diff changeset
   794
    ri:= -1;
3569
27b0ec683572 portal / slope detection:
sheepluva
parents: 3474
diff changeset
   795
3408
56e636b83cb4 tweak land angle detection/portal a bit
sheepluva
parents: 3407
diff changeset
   796
    // go around collision pixel, checking for first/last collisions
56e636b83cb4 tweak land angle detection/portal a bit
sheepluva
parents: 3407
diff changeset
   797
    // this will determinate what angles will be tried to crawl along
56e636b83cb4 tweak land angle detection/portal a bit
sheepluva
parents: 3407
diff changeset
   798
    for i:= 0 to 7 do
3401
d5d31d16eccc add a part of my landslide vector collision and use if for the portal gun DirAngle, not flawless yet
sheepluva
parents: 3236
diff changeset
   799
        begin
3408
56e636b83cb4 tweak land angle detection/portal a bit
sheepluva
parents: 3407
diff changeset
   800
        offset[i,0]:= mx;
56e636b83cb4 tweak land angle detection/portal a bit
sheepluva
parents: 3407
diff changeset
   801
        offset[i,1]:= my;
3569
27b0ec683572 portal / slope detection:
sheepluva
parents: 3474
diff changeset
   802
6123
0cb751caf0ac make slope calcs skip small gaps
sheepluva
parents: 6081
diff changeset
   803
        // multiplicator k tries to skip small pixels/gaps when possible
0cb751caf0ac make slope calcs skip small gaps
sheepluva
parents: 6081
diff changeset
   804
        for k:= 4 downto 1 do
0cb751caf0ac make slope calcs skip small gaps
sheepluva
parents: 6081
diff changeset
   805
            begin
0cb751caf0ac make slope calcs skip small gaps
sheepluva
parents: 6081
diff changeset
   806
            tmpx:= collisionX + k * mx;
0cb751caf0ac make slope calcs skip small gaps
sheepluva
parents: 6081
diff changeset
   807
            tmpy:= collisionY + k * my;
3401
d5d31d16eccc add a part of my landslide vector collision and use if for the portal gun DirAngle, not flawless yet
sheepluva
parents: 3236
diff changeset
   808
6123
0cb751caf0ac make slope calcs skip small gaps
sheepluva
parents: 6081
diff changeset
   809
            if (((tmpy) and LAND_HEIGHT_MASK) = 0) and (((tmpx) and LAND_WIDTH_MASK) = 0) then
0cb751caf0ac make slope calcs skip small gaps
sheepluva
parents: 6081
diff changeset
   810
                if (Land[tmpy,tmpx] > TestWord) then
3408
56e636b83cb4 tweak land angle detection/portal a bit
sheepluva
parents: 3407
diff changeset
   811
                    begin
6123
0cb751caf0ac make slope calcs skip small gaps
sheepluva
parents: 6081
diff changeset
   812
                    // remember the index belonging to the first and last collision (if in 1st half)
0cb751caf0ac make slope calcs skip small gaps
sheepluva
parents: 6081
diff changeset
   813
                    if (i <> 0) then
0cb751caf0ac make slope calcs skip small gaps
sheepluva
parents: 6081
diff changeset
   814
                        begin
0cb751caf0ac make slope calcs skip small gaps
sheepluva
parents: 6081
diff changeset
   815
                        if (ri = -1) then
0cb751caf0ac make slope calcs skip small gaps
sheepluva
parents: 6081
diff changeset
   816
                            ri:= i
0cb751caf0ac make slope calcs skip small gaps
sheepluva
parents: 6081
diff changeset
   817
                        else
0cb751caf0ac make slope calcs skip small gaps
sheepluva
parents: 6081
diff changeset
   818
                            li:= i;
0cb751caf0ac make slope calcs skip small gaps
sheepluva
parents: 6081
diff changeset
   819
                        end;
3408
56e636b83cb4 tweak land angle detection/portal a bit
sheepluva
parents: 3407
diff changeset
   820
                    end;
6123
0cb751caf0ac make slope calcs skip small gaps
sheepluva
parents: 6081
diff changeset
   821
            end;
3401
d5d31d16eccc add a part of my landslide vector collision and use if for the portal gun DirAngle, not flawless yet
sheepluva
parents: 3236
diff changeset
   822
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   823
        if i = 7 then
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   824
            break;
3401
d5d31d16eccc add a part of my landslide vector collision and use if for the portal gun DirAngle, not flawless yet
sheepluva
parents: 3236
diff changeset
   825
3408
56e636b83cb4 tweak land angle detection/portal a bit
sheepluva
parents: 3407
diff changeset
   826
        // prepare offset for next check (clockwise)
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   827
        if (mx = -1) and (my <> -1) then
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   828
            my:= my - 1
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   829
        else if (my = -1) and (mx <> 1) then
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   830
            mx:= mx + 1
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   831
        else if (mx = 1) and (my <> 1) then
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   832
            my:= my + 1
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   833
        else
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   834
            mx:= mx - 1;
3401
d5d31d16eccc add a part of my landslide vector collision and use if for the portal gun DirAngle, not flawless yet
sheepluva
parents: 3236
diff changeset
   835
d5d31d16eccc add a part of my landslide vector collision and use if for the portal gun DirAngle, not flawless yet
sheepluva
parents: 3236
diff changeset
   836
        end;
d5d31d16eccc add a part of my landslide vector collision and use if for the portal gun DirAngle, not flawless yet
sheepluva
parents: 3236
diff changeset
   837
d5d31d16eccc add a part of my landslide vector collision and use if for the portal gun DirAngle, not flawless yet
sheepluva
parents: 3236
diff changeset
   838
    ldx:= collisionX;
d5d31d16eccc add a part of my landslide vector collision and use if for the portal gun DirAngle, not flawless yet
sheepluva
parents: 3236
diff changeset
   839
    ldy:= collisionY;
d5d31d16eccc add a part of my landslide vector collision and use if for the portal gun DirAngle, not flawless yet
sheepluva
parents: 3236
diff changeset
   840
    rdx:= collisionX;
d5d31d16eccc add a part of my landslide vector collision and use if for the portal gun DirAngle, not flawless yet
sheepluva
parents: 3236
diff changeset
   841
    rdy:= collisionY;
d5d31d16eccc add a part of my landslide vector collision and use if for the portal gun DirAngle, not flawless yet
sheepluva
parents: 3236
diff changeset
   842
3408
56e636b83cb4 tweak land angle detection/portal a bit
sheepluva
parents: 3407
diff changeset
   843
    // edge-crawl
56e636b83cb4 tweak land angle detection/portal a bit
sheepluva
parents: 3407
diff changeset
   844
    for i:= 0 to 8 do
3401
d5d31d16eccc add a part of my landslide vector collision and use if for the portal gun DirAngle, not flawless yet
sheepluva
parents: 3236
diff changeset
   845
        begin
3408
56e636b83cb4 tweak land angle detection/portal a bit
sheepluva
parents: 3407
diff changeset
   846
        // using mx,my as temporary value buffer here
3697
d5b30d6373fc remove trailing spaces from end of line
koda
parents: 3609
diff changeset
   847
3408
56e636b83cb4 tweak land angle detection/portal a bit
sheepluva
parents: 3407
diff changeset
   848
        jfr:= 8+li+1;
56e636b83cb4 tweak land angle detection/portal a bit
sheepluva
parents: 3407
diff changeset
   849
        jto:= 8+li-1;
3401
d5d31d16eccc add a part of my landslide vector collision and use if for the portal gun DirAngle, not flawless yet
sheepluva
parents: 3236
diff changeset
   850
6123
0cb751caf0ac make slope calcs skip small gaps
sheepluva
parents: 6081
diff changeset
   851
        isColl:= false;
3408
56e636b83cb4 tweak land angle detection/portal a bit
sheepluva
parents: 3407
diff changeset
   852
        for j:= jfr downto jto do
3401
d5d31d16eccc add a part of my landslide vector collision and use if for the portal gun DirAngle, not flawless yet
sheepluva
parents: 3236
diff changeset
   853
            begin
3408
56e636b83cb4 tweak land angle detection/portal a bit
sheepluva
parents: 3407
diff changeset
   854
            tmpo:= j mod 8;
6123
0cb751caf0ac make slope calcs skip small gaps
sheepluva
parents: 6081
diff changeset
   855
            // multiplicator k tries to skip small pixels/gaps when possible
0cb751caf0ac make slope calcs skip small gaps
sheepluva
parents: 6081
diff changeset
   856
            for k:= 3 downto 1 do
0cb751caf0ac make slope calcs skip small gaps
sheepluva
parents: 6081
diff changeset
   857
                begin
0cb751caf0ac make slope calcs skip small gaps
sheepluva
parents: 6081
diff changeset
   858
                tmpx:= ldx + k * offset[tmpo,0];
0cb751caf0ac make slope calcs skip small gaps
sheepluva
parents: 6081
diff changeset
   859
                tmpy:= ldy + k * offset[tmpo,1];
0cb751caf0ac make slope calcs skip small gaps
sheepluva
parents: 6081
diff changeset
   860
                if (((tmpy) and LAND_HEIGHT_MASK) = 0) and (((tmpx) and LAND_WIDTH_MASK)  = 0)
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   861
                and (Land[tmpy,tmpx] > TestWord) then
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   862
                    begin
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   863
                    ldx:= tmpx;
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   864
                    ldy:= tmpy;
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   865
                    isColl:= true;
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   866
                    break;
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   867
                    end;
6123
0cb751caf0ac make slope calcs skip small gaps
sheepluva
parents: 6081
diff changeset
   868
                end;
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   869
            if isColl then
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   870
                break;
3401
d5d31d16eccc add a part of my landslide vector collision and use if for the portal gun DirAngle, not flawless yet
sheepluva
parents: 3236
diff changeset
   871
            end;
3408
56e636b83cb4 tweak land angle detection/portal a bit
sheepluva
parents: 3407
diff changeset
   872
56e636b83cb4 tweak land angle detection/portal a bit
sheepluva
parents: 3407
diff changeset
   873
        jfr:= 8+ri-1;
56e636b83cb4 tweak land angle detection/portal a bit
sheepluva
parents: 3407
diff changeset
   874
        jto:= 8+ri+1;
3401
d5d31d16eccc add a part of my landslide vector collision and use if for the portal gun DirAngle, not flawless yet
sheepluva
parents: 3236
diff changeset
   875
6123
0cb751caf0ac make slope calcs skip small gaps
sheepluva
parents: 6081
diff changeset
   876
        isColl:= false;
3408
56e636b83cb4 tweak land angle detection/portal a bit
sheepluva
parents: 3407
diff changeset
   877
        for j:= jfr to jto do
3401
d5d31d16eccc add a part of my landslide vector collision and use if for the portal gun DirAngle, not flawless yet
sheepluva
parents: 3236
diff changeset
   878
            begin
3408
56e636b83cb4 tweak land angle detection/portal a bit
sheepluva
parents: 3407
diff changeset
   879
            tmpo:= j mod 8;
6123
0cb751caf0ac make slope calcs skip small gaps
sheepluva
parents: 6081
diff changeset
   880
            for k:= 3 downto 1 do
0cb751caf0ac make slope calcs skip small gaps
sheepluva
parents: 6081
diff changeset
   881
                begin
0cb751caf0ac make slope calcs skip small gaps
sheepluva
parents: 6081
diff changeset
   882
                tmpx:= rdx + k * offset[tmpo,0];
0cb751caf0ac make slope calcs skip small gaps
sheepluva
parents: 6081
diff changeset
   883
                tmpy:= rdy + k * offset[tmpo,1];
0cb751caf0ac make slope calcs skip small gaps
sheepluva
parents: 6081
diff changeset
   884
                if (((tmpy) and LAND_HEIGHT_MASK) = 0) and (((tmpx) and LAND_WIDTH_MASK)  = 0)
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   885
                and (Land[tmpy,tmpx] > TestWord) then
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   886
                    begin
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   887
                    rdx:= tmpx;
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   888
                    rdy:= tmpy;
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   889
                    isColl:= true;
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   890
                    break;
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   891
                    end;
6123
0cb751caf0ac make slope calcs skip small gaps
sheepluva
parents: 6081
diff changeset
   892
                end;
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   893
            if isColl then
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   894
                break;
3401
d5d31d16eccc add a part of my landslide vector collision and use if for the portal gun DirAngle, not flawless yet
sheepluva
parents: 3236
diff changeset
   895
            end;
d5d31d16eccc add a part of my landslide vector collision and use if for the portal gun DirAngle, not flawless yet
sheepluva
parents: 3236
diff changeset
   896
        end;
d5d31d16eccc add a part of my landslide vector collision and use if for the portal gun DirAngle, not flawless yet
sheepluva
parents: 3236
diff changeset
   897
d5d31d16eccc add a part of my landslide vector collision and use if for the portal gun DirAngle, not flawless yet
sheepluva
parents: 3236
diff changeset
   898
    ldx:= rdx - ldx;
d5d31d16eccc add a part of my landslide vector collision and use if for the portal gun DirAngle, not flawless yet
sheepluva
parents: 3236
diff changeset
   899
    ldy:= rdy - ldy;
d5d31d16eccc add a part of my landslide vector collision and use if for the portal gun DirAngle, not flawless yet
sheepluva
parents: 3236
diff changeset
   900
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   901
    if ((ldx = 0) and (ldy = 0)) then
6990
40e5af28d026 change every return value into a more pascal-ish form, using the name of the fucntion (helps the parser and macpas compaitilibity)
koda
parents: 6986
diff changeset
   902
        exit;
3401
d5d31d16eccc add a part of my landslide vector collision and use if for the portal gun DirAngle, not flawless yet
sheepluva
parents: 3236
diff changeset
   903
3414
b2f3bb44777e some portal changes, warning: no loop prevention yet, note: entry angle not preserved yet
sheepluva
parents: 3411
diff changeset
   904
outDeltaX:= ldx;
b2f3bb44777e some portal changes, warning: no loop prevention yet, note: entry angle not preserved yet
sheepluva
parents: 3411
diff changeset
   905
outDeltaY:= ldy;
6990
40e5af28d026 change every return value into a more pascal-ish form, using the name of the fucntion (helps the parser and macpas compaitilibity)
koda
parents: 6986
diff changeset
   906
CalcSlopeTangent:= true;
3401
d5d31d16eccc add a part of my landslide vector collision and use if for the portal gun DirAngle, not flawless yet
sheepluva
parents: 3236
diff changeset
   907
end;
d5d31d16eccc add a part of my landslide vector collision and use if for the portal gun DirAngle, not flawless yet
sheepluva
parents: 3236
diff changeset
   908
7754
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   909
function CalcSlopeNearGear(Gear: PGear; dirX, dirY: LongInt): hwFloat;
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   910
var dx, dy: hwFloat;
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   911
    collX, collY, i, y, x, gx, gy, sdx, sdy: LongInt;
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   912
    isColl, bSucc: Boolean;
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   913
begin
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   914
10015
4feced261c68 partial merge of the webgl branch
koda
parents: 9998 9950
diff changeset
   915
if dirY <> 0 then
7754
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   916
    begin
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   917
    y:= hwRound(Gear^.Y) + Gear^.Radius * dirY;
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   918
    gx:= hwRound(Gear^.X);
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   919
    collX := gx;
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   920
    isColl:= false;
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   921
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   922
    if (y and LAND_HEIGHT_MASK) = 0 then
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   923
        begin
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   924
        x:= hwRound(Gear^.X) - Gear^.Radius + 1;
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   925
        i:= x + Gear^.Radius * 2 - 2;
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   926
        repeat
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   927
        if (x and LAND_WIDTH_MASK) = 0 then
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   928
            if Land[y, x] <> 0 then
7767
d1ea9b3f543e damn nots
nemo
parents: 7756
diff changeset
   929
                if (not isColl) or (abs(x-gx) < abs(collX-gx)) then
7754
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   930
                    begin
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   931
                    isColl:= true;
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   932
                    collX := x;
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   933
                    end;
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   934
        inc(x)
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   935
        until (x > i);
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   936
        end;
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   937
    end
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   938
else
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   939
    begin
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   940
    x:= hwRound(Gear^.X) + Gear^.Radius * dirX;
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   941
    gy:= hwRound(Gear^.Y);
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   942
    collY := gy;
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   943
    isColl:= false;
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   944
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   945
    if (x and LAND_WIDTH_MASK) = 0 then
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   946
        begin
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   947
        y:= hwRound(Gear^.Y) - Gear^.Radius + 1;
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   948
        i:= y + Gear^.Radius * 2 - 2;
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   949
        repeat
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   950
        if (y and LAND_HEIGHT_MASK) = 0 then
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   951
            if Land[y, x] <> 0 then
7767
d1ea9b3f543e damn nots
nemo
parents: 7756
diff changeset
   952
                if (not isColl) or (abs(y-gy) < abs(collY-gy)) then
7754
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   953
                    begin
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   954
                    isColl:= true;
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   955
                    collY := y;
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   956
                    end;
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   957
        inc(y)
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   958
        until (y > i);
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   959
        end;
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   960
    end;
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   961
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   962
if isColl then
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   963
    begin
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   964
    // save original dx/dy
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   965
    dx := Gear^.dX;
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   966
    dy := Gear^.dY;
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   967
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   968
    if dirY <> 0 then
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   969
        begin
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   970
        Gear^.dX.QWordValue:= 0;
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   971
        Gear^.dX.isNegative:= (collX >= gx);
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   972
        Gear^.dY:= _1*dirY
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   973
        end
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   974
    else
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   975
        begin
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   976
        Gear^.dY.QWordValue:= 0;
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   977
        Gear^.dY.isNegative:= (collY >= gy);
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   978
        Gear^.dX:= _1*dirX
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   979
        end;
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   980
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   981
    sdx:= 0;
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   982
    sdy:= 0;
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   983
    if dirY <> 0 then
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   984
         bSucc := CalcSlopeTangent(Gear, collX, y, sdx, sdy, 0)
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   985
    else bSucc := CalcSlopeTangent(Gear, x, collY, sdx, sdy, 0);
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   986
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   987
    // restore original dx/dy
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   988
    Gear^.dX := dx;
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   989
    Gear^.dY := dy;
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   990
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   991
    if bSucc and ((sdx <> 0) or (sdy <> 0)) then
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   992
        begin
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   993
        dx := int2hwFloat(sdy) / (abs(sdx) + abs(sdy));
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   994
        dx.isNegative := (sdx * sdy) < 0;
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   995
        exit (dx);
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   996
        end
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   997
    end;
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   998
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   999
CalcSlopeNearGear := _0;
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
  1000
end;
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
  1001
6279
7f724835ea57 I hope this helps...
sheepluva
parents: 6124
diff changeset
  1002
function CalcSlopeBelowGear(Gear: PGear): hwFloat;
6124
bee90df26109 something for nemo to play around with
sheepluva
parents: 6123
diff changeset
  1003
var dx, dy: hwFloat;
6279
7f724835ea57 I hope this helps...
sheepluva
parents: 6124
diff changeset
  1004
    collX, i, y, x, gx, sdx, sdy: LongInt;
6453
11c578d30bd3 Countless imporvements to the parser and countless help to the parser in sources.
unc0rr
parents: 6279
diff changeset
  1005
    isColl, bSucc: Boolean;
6124
bee90df26109 something for nemo to play around with
sheepluva
parents: 6123
diff changeset
  1006
begin
bee90df26109 something for nemo to play around with
sheepluva
parents: 6123
diff changeset
  1007
bee90df26109 something for nemo to play around with
sheepluva
parents: 6123
diff changeset
  1008
bee90df26109 something for nemo to play around with
sheepluva
parents: 6123
diff changeset
  1009
y:= hwRound(Gear^.Y) + Gear^.Radius;
bee90df26109 something for nemo to play around with
sheepluva
parents: 6123
diff changeset
  1010
gx:= hwRound(Gear^.X);
bee90df26109 something for nemo to play around with
sheepluva
parents: 6123
diff changeset
  1011
collX := gx;
bee90df26109 something for nemo to play around with
sheepluva
parents: 6123
diff changeset
  1012
isColl:= false;
bee90df26109 something for nemo to play around with
sheepluva
parents: 6123
diff changeset
  1013
bee90df26109 something for nemo to play around with
sheepluva
parents: 6123
diff changeset
  1014
if (y and LAND_HEIGHT_MASK) = 0 then
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
  1015
    begin
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
  1016
    x:= hwRound(Gear^.X) - Gear^.Radius + 1;
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
  1017
    i:= x + Gear^.Radius * 2 - 2;
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
  1018
    repeat
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
  1019
    if (x and LAND_WIDTH_MASK) = 0 then
14552
e0af4ce7d8bc fix incorrect mask set in r7b4643ff60ea - this causes ghost hog collisions and odd hog jumps on overlap with active hog
nemo
parents: 14303
diff changeset
  1020
        if (Land[y, x] and lfLandMask) <> 0 then
7767
d1ea9b3f543e damn nots
nemo
parents: 7756
diff changeset
  1021
            if (not isColl) or (abs(x-gx) < abs(collX-gx)) then
6124
bee90df26109 something for nemo to play around with
sheepluva
parents: 6123
diff changeset
  1022
                begin
bee90df26109 something for nemo to play around with
sheepluva
parents: 6123
diff changeset
  1023
                isColl:= true;
bee90df26109 something for nemo to play around with
sheepluva
parents: 6123
diff changeset
  1024
                collX := x;
bee90df26109 something for nemo to play around with
sheepluva
parents: 6123
diff changeset
  1025
                end;
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
  1026
    inc(x)
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
  1027
    until (x > i);
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
  1028
    end;
6124
bee90df26109 something for nemo to play around with
sheepluva
parents: 6123
diff changeset
  1029
bee90df26109 something for nemo to play around with
sheepluva
parents: 6123
diff changeset
  1030
if isColl then
6279
7f724835ea57 I hope this helps...
sheepluva
parents: 6124
diff changeset
  1031
    begin
7f724835ea57 I hope this helps...
sheepluva
parents: 6124
diff changeset
  1032
    // save original dx/dy
7f724835ea57 I hope this helps...
sheepluva
parents: 6124
diff changeset
  1033
    dx := Gear^.dX;
7f724835ea57 I hope this helps...
sheepluva
parents: 6124
diff changeset
  1034
    dy := Gear^.dY;
7f724835ea57 I hope this helps...
sheepluva
parents: 6124
diff changeset
  1035
7f724835ea57 I hope this helps...
sheepluva
parents: 6124
diff changeset
  1036
    Gear^.dX.QWordValue:= 0;
7f724835ea57 I hope this helps...
sheepluva
parents: 6124
diff changeset
  1037
    Gear^.dX.isNegative:= (collX >= gx);
7f724835ea57 I hope this helps...
sheepluva
parents: 6124
diff changeset
  1038
    Gear^.dY:= _1;
7f724835ea57 I hope this helps...
sheepluva
parents: 6124
diff changeset
  1039
7f724835ea57 I hope this helps...
sheepluva
parents: 6124
diff changeset
  1040
    sdx:= 0;
7f724835ea57 I hope this helps...
sheepluva
parents: 6124
diff changeset
  1041
    sdy:= 0;
6453
11c578d30bd3 Countless imporvements to the parser and countless help to the parser in sources.
unc0rr
parents: 6279
diff changeset
  1042
    bSucc := CalcSlopeTangent(Gear, collX, y, sdx, sdy, 255);
6124
bee90df26109 something for nemo to play around with
sheepluva
parents: 6123
diff changeset
  1043
6279
7f724835ea57 I hope this helps...
sheepluva
parents: 6124
diff changeset
  1044
    // restore original dx/dy
7f724835ea57 I hope this helps...
sheepluva
parents: 6124
diff changeset
  1045
    Gear^.dX := dx;
7f724835ea57 I hope this helps...
sheepluva
parents: 6124
diff changeset
  1046
    Gear^.dY := dy;
6124
bee90df26109 something for nemo to play around with
sheepluva
parents: 6123
diff changeset
  1047
6453
11c578d30bd3 Countless imporvements to the parser and countless help to the parser in sources.
unc0rr
parents: 6279
diff changeset
  1048
    if bSucc and (sdx <> 0) and (sdy <> 0) then
6279
7f724835ea57 I hope this helps...
sheepluva
parents: 6124
diff changeset
  1049
    begin
7f724835ea57 I hope this helps...
sheepluva
parents: 6124
diff changeset
  1050
        dx := int2hwFloat(sdy) / (abs(sdx) + abs(sdy));
7f724835ea57 I hope this helps...
sheepluva
parents: 6124
diff changeset
  1051
        dx.isNegative := (sdx * sdy) < 0;
7f724835ea57 I hope this helps...
sheepluva
parents: 6124
diff changeset
  1052
        exit (dx);
7f724835ea57 I hope this helps...
sheepluva
parents: 6124
diff changeset
  1053
    end;
7f724835ea57 I hope this helps...
sheepluva
parents: 6124
diff changeset
  1054
    end;
7f724835ea57 I hope this helps...
sheepluva
parents: 6124
diff changeset
  1055
7f724835ea57 I hope this helps...
sheepluva
parents: 6124
diff changeset
  1056
CalcSlopeBelowGear := _0;
6124
bee90df26109 something for nemo to play around with
sheepluva
parents: 6123
diff changeset
  1057
end;
bee90df26109 something for nemo to play around with
sheepluva
parents: 6123
diff changeset
  1058
15322
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14552
diff changeset
  1059
function CheckGearsUnderSprite(Sprite: TSprite; sprX, sprY, Frame: LongInt): boolean;
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14552
diff changeset
  1060
var x, y, bpp, h, w, row, col, gx, gy, r, numFramesFirstCol: LongInt;
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14552
diff changeset
  1061
    p: PByteArray;
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14552
diff changeset
  1062
    Image: PSDL_Surface;
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14552
diff changeset
  1063
    Gear: PGear;
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14552
diff changeset
  1064
begin
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14552
diff changeset
  1065
    CheckGearsUnderSprite := false;
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14552
diff changeset
  1066
    if checkFails(SpritesData[Sprite].Surface <> nil, 'Assert SpritesData[Sprite].Surface failed', true) then exit;
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14552
diff changeset
  1067
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14552
diff changeset
  1068
    numFramesFirstCol:= SpritesData[Sprite].imageHeight div SpritesData[Sprite].Height;
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14552
diff changeset
  1069
    Image:= SpritesData[Sprite].Surface;
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14552
diff changeset
  1070
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14552
diff changeset
  1071
    if SDL_MustLock(Image) then
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14552
diff changeset
  1072
        if SDLCheck(SDL_LockSurface(Image) >= 0, 'CheckGearsUnderSprite', true) then exit;
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14552
diff changeset
  1073
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14552
diff changeset
  1074
    bpp:= Image^.format^.BytesPerPixel;
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14552
diff changeset
  1075
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14552
diff changeset
  1076
    if checkFails(bpp = 4, 'It should be 32 bpp sprite', true) then
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14552
diff changeset
  1077
        begin
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14552
diff changeset
  1078
        if SDL_MustLock(Image) then
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14552
diff changeset
  1079
            SDL_UnlockSurface(Image);
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14552
diff changeset
  1080
        exit
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14552
diff changeset
  1081
        end;
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14552
diff changeset
  1082
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14552
diff changeset
  1083
    w:= SpritesData[Sprite].Width;
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14552
diff changeset
  1084
    h:= SpritesData[Sprite].Height;
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14552
diff changeset
  1085
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14552
diff changeset
  1086
    row:= Frame mod numFramesFirstCol;
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14552
diff changeset
  1087
    col:= Frame div numFramesFirstCol;
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14552
diff changeset
  1088
    p:= PByteArray(@(PByteArray(Image^.pixels)^[ Image^.pitch * row * h + col * w * 4 ]));
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14552
diff changeset
  1089
    Gear:= GearsList;
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14552
diff changeset
  1090
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14552
diff changeset
  1091
    while Gear <> nil do
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14552
diff changeset
  1092
        begin
15325
b043b5d5219a fix check for static gears
alfadur
parents: 15324
diff changeset
  1093
        if (Gear^.Kind = gtAirMine) or
b043b5d5219a fix check for static gears
alfadur
parents: 15324
diff changeset
  1094
            ((Gear^.Kind in [gtCase, gtExplosives, gtTarget, gtKnife, gtMine, gtHedgehog, gtSMine]) and (Gear^.CollisionIndex = -1)) then
15322
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14552
diff changeset
  1095
            begin
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14552
diff changeset
  1096
            gx:= hwRound(Gear^.X);
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14552
diff changeset
  1097
            gy:= hwRound(Gear^.Y);
15323
9299f43ba0ec disallow placing girders over airmines and moving hogs
alfadur
parents: 15322
diff changeset
  1098
            r:= Gear^.Radius + 1;
15322
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14552
diff changeset
  1099
            if (gx + r >= sprX) and (gx - r < sprX + w) and (gy + r >= sprY) and (gy - r < sprY + h) then
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14552
diff changeset
  1100
                for y := gy - r to gy + r do
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14552
diff changeset
  1101
                    for x := gx - r to gx + r do
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14552
diff changeset
  1102
                        begin
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14552
diff changeset
  1103
                        if (x >= sprX) and (x < sprX + w) and (y >= sprY) and (y < sprY + h)
15323
9299f43ba0ec disallow placing girders over airmines and moving hogs
alfadur
parents: 15322
diff changeset
  1104
                        and (Sqr(x - gx) + Sqr(y - gy) <= Sqr(r))
9299f43ba0ec disallow placing girders over airmines and moving hogs
alfadur
parents: 15322
diff changeset
  1105
                        and (((PLongword(@(p^[Image^.pitch * (y - sprY) + (x - sprX) * 4]))^) and AMask) <> 0) then
15322
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14552
diff changeset
  1106
                            begin
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14552
diff changeset
  1107
                            CheckGearsUnderSprite := true;
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14552
diff changeset
  1108
                            if SDL_MustLock(Image) then
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14552
diff changeset
  1109
                                SDL_UnlockSurface(Image);
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14552
diff changeset
  1110
                            exit
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14552
diff changeset
  1111
                            end
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14552
diff changeset
  1112
                        end
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14552
diff changeset
  1113
            end;
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14552
diff changeset
  1114
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14552
diff changeset
  1115
        Gear := Gear^.NextGear
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14552
diff changeset
  1116
        end;
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14552
diff changeset
  1117
end;
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14552
diff changeset
  1118
3038
4e48c276a468 In pascal unit is a namespace
unc0rr
parents: 2948
diff changeset
  1119
procedure initModule;
2716
b9ca1bfca24f complete the replacement of init/free wrappers for every unit
koda
parents: 2630
diff changeset
  1120
begin
2948
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2716
diff changeset
  1121
    Count:= 0;
2716
b9ca1bfca24f complete the replacement of init/free wrappers for every unit
koda
parents: 2630
diff changeset
  1122
end;
b9ca1bfca24f complete the replacement of init/free wrappers for every unit
koda
parents: 2630
diff changeset
  1123
3038
4e48c276a468 In pascal unit is a namespace
unc0rr
parents: 2948
diff changeset
  1124
procedure freeModule;
2716
b9ca1bfca24f complete the replacement of init/free wrappers for every unit
koda
parents: 2630
diff changeset
  1125
begin
b9ca1bfca24f complete the replacement of init/free wrappers for every unit
koda
parents: 2630
diff changeset
  1126
b9ca1bfca24f complete the replacement of init/free wrappers for every unit
koda
parents: 2630
diff changeset
  1127
end;
b9ca1bfca24f complete the replacement of init/free wrappers for every unit
koda
parents: 2630
diff changeset
  1128
4
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
  1129
end.