hedgewars/uLandGenTemplateBased.pas
author Wuzzy <Wuzzy2@mail.ru>
Mon, 13 Nov 2017 22:14:45 +0100
changeset 12836 8610462e3d33
parent 11537 de40095f3327
child 13924 e26573441808
permissions -rw-r--r--
Remove 2 unused number tags in Construction Mode GUI These numbers are shown aside the power tag, but the numbers never change. They don't serve any purpose and are just visual clutter and annoying, since they partially overlap. They are probably a leftover from copying code over from other scripts. With this changeset, only the power and turn time are left visible, as it is supposed to.
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unit uLandGenTemplateBased;
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interface
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uses uLandTemplates, uLandOutline;
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procedure GenTemplated(var Template: TEdgeTemplate);
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procedure DivideEdges(fillPointsCount: LongWord; var pa: TPixAr);
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var minDistance, dabDiv: LongInt; // different details size
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implementation
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uses {$IFDEF IPHONEOS}uTypes, {$ENDIF} uVariables, uConsts, uFloat, uLandUtils, uRandom, SDLh, math;
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procedure SetPoints(var Template: TEdgeTemplate; var pa: TPixAr; fps: PPointArray);
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var i: LongInt;
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begin
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    with Template do
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        begin
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        pa.Count:= BasePointsCount;
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        for i:= 0 to pred(LongInt(pa.Count)) do
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            begin
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            pa.ar[i].x:= BasePoints^[i].x + LongInt(GetRandom(BasePoints^[i].w));
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            if pa.ar[i].x <> NTPX then
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                pa.ar[i].x:= pa.ar[i].x + ((LAND_WIDTH - Template.TemplateWidth) div 2);
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            pa.ar[i].y:= BasePoints^[i].y + LongInt(GetRandom(BasePoints^[i].h)) + LAND_HEIGHT - LongInt(Template.TemplateHeight)
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            end;
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        if canMirror then
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            if getrandom(2) = 0 then
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                begin
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                for i:= 0 to pred(BasePointsCount) do
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                if pa.ar[i].x <> NTPX then
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                    pa.ar[i].x:= LAND_WIDTH - 1 - pa.ar[i].x;
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                for i:= 0 to pred(FillPointsCount) do
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                    fps^[i].x:= LAND_WIDTH - 1 - fps^[i].x;
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                end;
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(*  Experiment in making this option more useful
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     if ((not isNegative) and (cTemplateFilter = 4)) or
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        (canFlip and (getrandom(2) = 0)) then
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           begin
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           for i:= 0 to pred(BasePointsCount) do
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               begin
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               pa.ar[i].y:= LAND_HEIGHT - 1 - pa.ar[i].y + (LAND_HEIGHT - TemplateHeight) * 2;
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               if pa.ar[i].y > LAND_HEIGHT - 1 then
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                   pa.ar[i].y:= LAND_HEIGHT - 1;
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               end;
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           for i:= 0 to pred(FillPointsCount) do
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               begin
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               FillPoints^[i].y:= LAND_HEIGHT - 1 - FillPoints^[i].y + (LAND_HEIGHT - TemplateHeight) * 2;
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               if FillPoints^[i].y > LAND_HEIGHT - 1 then
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                   FillPoints^[i].y:= LAND_HEIGHT - 1;
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               end;
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           end;
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     end
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*)
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// template recycling.  Pull these off the floor a bit
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    if (not isNegative) and (cTemplateFilter = 4) then
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        begin
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        for i:= 0 to pred(BasePointsCount) do
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            begin
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            dec(pa.ar[i].y, 100);
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            if pa.ar[i].y < 0 then
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                pa.ar[i].y:= 0;
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            end;
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        for i:= 0 to pred(FillPointsCount) do
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            begin
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            dec(fps^[i].y, 100);
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            if fps^[i].y < 0 then
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                fps^[i].y:= 0;
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            end;
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        end;
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    if (canFlip and (getrandom(2) = 0)) then
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        begin
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        for i:= 0 to pred(BasePointsCount) do
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            pa.ar[i].y:= LAND_HEIGHT - 1 - pa.ar[i].y;
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        for i:= 0 to pred(FillPointsCount) do
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            fps^[i].y:= LAND_HEIGHT - 1 - fps^[i].y;
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        end;
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    end
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end;
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procedure Distort1(var Template: TEdgeTemplate; var pa: TPixAr);
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var i: Longword;
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begin
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    for i:= 1 to Template.BezierizeCount do
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        begin
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        BezierizeEdge(pa, _0_5);
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        RandomizePoints(pa);
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        RandomizePoints(pa)
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        end;
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    for i:= 1 to Template.RandPassesCount do
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        RandomizePoints(pa);
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    BezierizeEdge(pa, _0_1);
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end;
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procedure FindPoint(si: LongInt; fillPointsCount: LongWord; var newPoint: TPoint; var pa: TPixAr);
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const mapBorderMargin = 40;
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var p1, p2, p4, fp, mp: TPoint;
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    i, t1, t2, iy, ix, aqpb: LongInt;
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    a, b, p, q: LongInt;
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    dab, d, distL, distR: LongInt;
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begin
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    // [p1, p2] is the segment we're trying to divide
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    p1:= pa.ar[si];
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    p2:= pa.ar[si + 1];
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    if p2.x = NTPX then
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    // it is segment from last to first point, so need to find first point
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    begin
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        i:= si - 2;
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        while (i >= 0) and (pa.ar[i].x <> NTPX) do
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            dec(i);
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        p2:= pa.ar[i + 1]
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    end;
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    // perpendicular vector
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    a:= p2.y - p1.y;
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    b:= p1.x - p2.x;
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    dab:= DistanceI(a, b).Round;
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    // its middle point
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    mp.x:= (p1.x + p2.x) div 2;
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    mp.y:= (p1.y + p2.y) div 2;
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    // don't process too short segments or those which are too close to map borders
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    if (p1.x = NTPX)
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            or (dab < minDistance * 3)
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            or (mp.x < LongInt(leftX) + mapBorderMargin)
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            or (mp.x > LongInt(rightX) - mapBorderMargin)
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            or (mp.y < LongInt(topY) + mapBorderMargin)
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            or (mp.y > LongInt(LAND_HEIGHT) - mapBorderMargin)
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    then
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    begin
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        newPoint:= p1;
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        exit;
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    end;
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    // find distances to map borders
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    if a <> 0 then
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    begin
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        // left border
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        iy:= (LongInt(leftX) + mapBorderMargin - mp.x) * b div a + mp.y;
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        d:= DistanceI(mp.x - leftX - mapBorderMargin, mp.y - iy).Round;
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        t1:= a * (mp.x - mapBorderMargin) + b * (mp.y - iy);
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        if t1 > 0 then distL:= d else distR:= d;
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        // right border
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        iy:= (LongInt(rightX) - mapBorderMargin - mp.x) * b div a + mp.y;
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        d:= DistanceI(mp.x - rightX + mapBorderMargin, mp.y - iy).Round;
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        if t1 > 0 then distR:= d else distL:= d;
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   155
    end else
12662c21e0e9 Fix use of uninitialized variables (fixes straight lines in maze gen aswell)
unc0rr
parents: 10477
diff changeset
   156
    begin
12662c21e0e9 Fix use of uninitialized variables (fixes straight lines in maze gen aswell)
unc0rr
parents: 10477
diff changeset
   157
        distL:= LAND_WIDTH + LAND_HEIGHT;
12662c21e0e9 Fix use of uninitialized variables (fixes straight lines in maze gen aswell)
unc0rr
parents: 10477
diff changeset
   158
        distR:= distL;
10200
edc2fe0ca03f More math, implementation is nearly complete, just still have an issue to resolve
unc0rr
parents: 10199
diff changeset
   159
    end;
edc2fe0ca03f More math, implementation is nearly complete, just still have an issue to resolve
unc0rr
parents: 10199
diff changeset
   160
edc2fe0ca03f More math, implementation is nearly complete, just still have an issue to resolve
unc0rr
parents: 10199
diff changeset
   161
    if b <> 0 then
edc2fe0ca03f More math, implementation is nearly complete, just still have an issue to resolve
unc0rr
parents: 10199
diff changeset
   162
    begin
edc2fe0ca03f More math, implementation is nearly complete, just still have an issue to resolve
unc0rr
parents: 10199
diff changeset
   163
        // top border
10209
76316652ef26 Fix warnings
unc0rr
parents: 10208
diff changeset
   164
        ix:= (LongInt(topY) + mapBorderMargin - mp.y) * a div b + mp.x;
10208
f04fdb35fc33 - Limit outline to leftX/rightX/topY instead of LAND_WIDTH/LAND_HEIGHT
unc0rr
parents: 10207
diff changeset
   165
        d:= DistanceI(mp.y - topY - mapBorderMargin, mp.x - ix).Round;
10200
edc2fe0ca03f More math, implementation is nearly complete, just still have an issue to resolve
unc0rr
parents: 10199
diff changeset
   166
        t2:= b * (mp.y - mapBorderMargin) + a * (mp.x - ix);
edc2fe0ca03f More math, implementation is nearly complete, just still have an issue to resolve
unc0rr
parents: 10199
diff changeset
   167
        if t2 > 0 then distL:= min(d, distL) else distR:= min(d, distR);
edc2fe0ca03f More math, implementation is nearly complete, just still have an issue to resolve
unc0rr
parents: 10199
diff changeset
   168
edc2fe0ca03f More math, implementation is nearly complete, just still have an issue to resolve
unc0rr
parents: 10199
diff changeset
   169
        // bottom border
edc2fe0ca03f More math, implementation is nearly complete, just still have an issue to resolve
unc0rr
parents: 10199
diff changeset
   170
        ix:= (LAND_HEIGHT - mapBorderMargin - mp.y) * a div b + mp.x;
edc2fe0ca03f More math, implementation is nearly complete, just still have an issue to resolve
unc0rr
parents: 10199
diff changeset
   171
        d:= DistanceI(mp.y - LAND_HEIGHT + mapBorderMargin, mp.x - ix).Round;
edc2fe0ca03f More math, implementation is nearly complete, just still have an issue to resolve
unc0rr
parents: 10199
diff changeset
   172
        if t2 > 0 then distR:= min(d, distR) else distL:= min(d, distL);
edc2fe0ca03f More math, implementation is nearly complete, just still have an issue to resolve
unc0rr
parents: 10199
diff changeset
   173
    end;
edc2fe0ca03f More math, implementation is nearly complete, just still have an issue to resolve
unc0rr
parents: 10199
diff changeset
   174
edc2fe0ca03f More math, implementation is nearly complete, just still have an issue to resolve
unc0rr
parents: 10199
diff changeset
   175
    // now go through all other segments
10205
fc99e124ba4d Prevent intersections with segment from last to first point, adjust size of details
unc0rr
parents: 10204
diff changeset
   176
    fp:= pa.ar[0];
10564
0cb20aa8877a more fixing and allow pas2c to run tests. they will still fail though - engine does not exit with the specified exit codes, also data types are messed up
sheepluva
parents: 10562
diff changeset
   177
    for i:= 0 to LongInt(pa.Count) - 2 do
10205
fc99e124ba4d Prevent intersections with segment from last to first point, adjust size of details
unc0rr
parents: 10204
diff changeset
   178
        if pa.ar[i].x = NTPX then
fc99e124ba4d Prevent intersections with segment from last to first point, adjust size of details
unc0rr
parents: 10204
diff changeset
   179
            fp:= pa.ar[i + 1]
fc99e124ba4d Prevent intersections with segment from last to first point, adjust size of details
unc0rr
parents: 10204
diff changeset
   180
        else if (i <> si) then
10199
fdb689b57b1b Some progress on new generator
unc0rr
parents: 10198
diff changeset
   181
        begin
10205
fc99e124ba4d Prevent intersections with segment from last to first point, adjust size of details
unc0rr
parents: 10204
diff changeset
   182
        p4:= pa.ar[i + 1];
fc99e124ba4d Prevent intersections with segment from last to first point, adjust size of details
unc0rr
parents: 10204
diff changeset
   183
        if p4.x = NTPX then
fc99e124ba4d Prevent intersections with segment from last to first point, adjust size of details
unc0rr
parents: 10204
diff changeset
   184
            p4:= fp;
10206
979a663d7351 Process segments from last to first point too
unc0rr
parents: 10205
diff changeset
   185
10199
fdb689b57b1b Some progress on new generator
unc0rr
parents: 10198
diff changeset
   186
            // check if it intersects
10200
edc2fe0ca03f More math, implementation is nearly complete, just still have an issue to resolve
unc0rr
parents: 10199
diff changeset
   187
            t1:= (mp.x - pa.ar[i].x) * b - a * (mp.y - pa.ar[i].y);
10205
fc99e124ba4d Prevent intersections with segment from last to first point, adjust size of details
unc0rr
parents: 10204
diff changeset
   188
            t2:= (mp.x - p4.x) * b - a * (mp.y - p4.y);
10199
fdb689b57b1b Some progress on new generator
unc0rr
parents: 10198
diff changeset
   189
fdb689b57b1b Some progress on new generator
unc0rr
parents: 10198
diff changeset
   190
            if (t1 > 0) <> (t2 > 0) then // yes it does, hard arith follows
fdb689b57b1b Some progress on new generator
unc0rr
parents: 10198
diff changeset
   191
            begin
10205
fc99e124ba4d Prevent intersections with segment from last to first point, adjust size of details
unc0rr
parents: 10204
diff changeset
   192
                p:= p4.x - pa.ar[i].x;
fc99e124ba4d Prevent intersections with segment from last to first point, adjust size of details
unc0rr
parents: 10204
diff changeset
   193
                q:= p4.y - pa.ar[i].y;
10199
fdb689b57b1b Some progress on new generator
unc0rr
parents: 10198
diff changeset
   194
                aqpb:= a * q - p * b;
fdb689b57b1b Some progress on new generator
unc0rr
parents: 10198
diff changeset
   195
fdb689b57b1b Some progress on new generator
unc0rr
parents: 10198
diff changeset
   196
                if (aqpb <> 0) then
fdb689b57b1b Some progress on new generator
unc0rr
parents: 10198
diff changeset
   197
                begin
fdb689b57b1b Some progress on new generator
unc0rr
parents: 10198
diff changeset
   198
                    // (ix; iy) is intersection point
10494
0eb97cf4c78e Fix warnings given by 32-bit fpc
unC0Rr
parents: 10478
diff changeset
   199
                    iy:= (((Int64(pa.ar[i].x) - mp.x) * b + Int64(mp.y) * a) * q - Int64(pa.ar[i].y) * p * b) div aqpb;
10201
9bee9541edf1 Fix detection of intersections, still need to check if passing any point in move, but result is already okayish
unc0rr
parents: 10200
diff changeset
   200
                    if abs(b) > abs(q) then
9bee9541edf1 Fix detection of intersections, still need to check if passing any point in move, but result is already okayish
unc0rr
parents: 10200
diff changeset
   201
                        ix:= (iy - mp.y) * a div b + mp.x
10199
fdb689b57b1b Some progress on new generator
unc0rr
parents: 10198
diff changeset
   202
                    else
10201
9bee9541edf1 Fix detection of intersections, still need to check if passing any point in move, but result is already okayish
unc0rr
parents: 10200
diff changeset
   203
                        ix:= (iy - pa.ar[i].y) * p div q + pa.ar[i].x;
10199
fdb689b57b1b Some progress on new generator
unc0rr
parents: 10198
diff changeset
   204
10200
edc2fe0ca03f More math, implementation is nearly complete, just still have an issue to resolve
unc0rr
parents: 10199
diff changeset
   205
                    d:= DistanceI(mp.y - iy, mp.x - ix).Round;
edc2fe0ca03f More math, implementation is nearly complete, just still have an issue to resolve
unc0rr
parents: 10199
diff changeset
   206
                    t1:= b * (mp.y - iy) + a * (mp.x - ix);
edc2fe0ca03f More math, implementation is nearly complete, just still have an issue to resolve
unc0rr
parents: 10199
diff changeset
   207
                    if t1 > 0 then distL:= min(d, distL) else distR:= min(d, distR);
10199
fdb689b57b1b Some progress on new generator
unc0rr
parents: 10198
diff changeset
   208
                end;
fdb689b57b1b Some progress on new generator
unc0rr
parents: 10198
diff changeset
   209
            end;
fdb689b57b1b Some progress on new generator
unc0rr
parents: 10198
diff changeset
   210
        end;
10207
9dd3a44805a1 - Make sure distortion doesn't move fill point to other side of segment, this prevents corrupted maps
unc0rr
parents: 10206
diff changeset
   211
9dd3a44805a1 - Make sure distortion doesn't move fill point to other side of segment, this prevents corrupted maps
unc0rr
parents: 10206
diff changeset
   212
    // go through all points, including fill points
10564
0cb20aa8877a more fixing and allow pas2c to run tests. they will still fail though - engine does not exit with the specified exit codes, also data types are messed up
sheepluva
parents: 10562
diff changeset
   213
    for i:= 0 to Pred(LongInt(pa.Count + fillPointsCount)) do
10202
f7c8cb11a70e No self intersections, except for weirdness between first and last point
unc0rr
parents: 10201
diff changeset
   214
        // if this point isn't on current segment
10205
fc99e124ba4d Prevent intersections with segment from last to first point, adjust size of details
unc0rr
parents: 10204
diff changeset
   215
        if (si <> i) and (i <> si + 1) and (pa.ar[i].x <> NTPX) then
10202
f7c8cb11a70e No self intersections, except for weirdness between first and last point
unc0rr
parents: 10201
diff changeset
   216
        begin
f7c8cb11a70e No self intersections, except for weirdness between first and last point
unc0rr
parents: 10201
diff changeset
   217
            // also check intersection with rays through pa.ar[i] if this point is good
f7c8cb11a70e No self intersections, except for weirdness between first and last point
unc0rr
parents: 10201
diff changeset
   218
            t1:= (p1.x - pa.ar[i].x) * b - a * (p1.y - pa.ar[i].y);
f7c8cb11a70e No self intersections, except for weirdness between first and last point
unc0rr
parents: 10201
diff changeset
   219
            t2:= (p2.x - pa.ar[i].x) * b - a * (p2.y - pa.ar[i].y);
f7c8cb11a70e No self intersections, except for weirdness between first and last point
unc0rr
parents: 10201
diff changeset
   220
            if (t1 > 0) <> (t2 > 0) then
f7c8cb11a70e No self intersections, except for weirdness between first and last point
unc0rr
parents: 10201
diff changeset
   221
            begin
f7c8cb11a70e No self intersections, except for weirdness between first and last point
unc0rr
parents: 10201
diff changeset
   222
                // ray from p1
f7c8cb11a70e No self intersections, except for weirdness between first and last point
unc0rr
parents: 10201
diff changeset
   223
                p:= pa.ar[i].x - p1.x;
f7c8cb11a70e No self intersections, except for weirdness between first and last point
unc0rr
parents: 10201
diff changeset
   224
                q:= pa.ar[i].y - p1.y;
f7c8cb11a70e No self intersections, except for weirdness between first and last point
unc0rr
parents: 10201
diff changeset
   225
                aqpb:= a * q - p * b;
10201
9bee9541edf1 Fix detection of intersections, still need to check if passing any point in move, but result is already okayish
unc0rr
parents: 10200
diff changeset
   226
10202
f7c8cb11a70e No self intersections, except for weirdness between first and last point
unc0rr
parents: 10201
diff changeset
   227
                if (aqpb <> 0) then
f7c8cb11a70e No self intersections, except for weirdness between first and last point
unc0rr
parents: 10201
diff changeset
   228
                begin
f7c8cb11a70e No self intersections, except for weirdness between first and last point
unc0rr
parents: 10201
diff changeset
   229
                    // (ix; iy) is intersection point
10494
0eb97cf4c78e Fix warnings given by 32-bit fpc
unC0Rr
parents: 10478
diff changeset
   230
                    iy:= (((Int64(p1.x) - mp.x) * b + Int64(mp.y) * a) * q - Int64(p1.y) * p * b) div aqpb;
10202
f7c8cb11a70e No self intersections, except for weirdness between first and last point
unc0rr
parents: 10201
diff changeset
   231
                    if abs(b) > abs(q) then
f7c8cb11a70e No self intersections, except for weirdness between first and last point
unc0rr
parents: 10201
diff changeset
   232
                        ix:= (iy - mp.y) * a div b + mp.x
f7c8cb11a70e No self intersections, except for weirdness between first and last point
unc0rr
parents: 10201
diff changeset
   233
                    else
f7c8cb11a70e No self intersections, except for weirdness between first and last point
unc0rr
parents: 10201
diff changeset
   234
                        ix:= (iy - p1.y) * p div q + p1.x;
f7c8cb11a70e No self intersections, except for weirdness between first and last point
unc0rr
parents: 10201
diff changeset
   235
f7c8cb11a70e No self intersections, except for weirdness between first and last point
unc0rr
parents: 10201
diff changeset
   236
                    d:= DistanceI(mp.y - iy, mp.x - ix).Round;
f7c8cb11a70e No self intersections, except for weirdness between first and last point
unc0rr
parents: 10201
diff changeset
   237
                    t1:= b * (mp.y - iy) + a * (mp.x - ix);
f7c8cb11a70e No self intersections, except for weirdness between first and last point
unc0rr
parents: 10201
diff changeset
   238
                    if t1 > 0 then distL:= min(d, distL) else distR:= min(d, distR);
f7c8cb11a70e No self intersections, except for weirdness between first and last point
unc0rr
parents: 10201
diff changeset
   239
                end;
f7c8cb11a70e No self intersections, except for weirdness between first and last point
unc0rr
parents: 10201
diff changeset
   240
f7c8cb11a70e No self intersections, except for weirdness between first and last point
unc0rr
parents: 10201
diff changeset
   241
                // and ray from p2
f7c8cb11a70e No self intersections, except for weirdness between first and last point
unc0rr
parents: 10201
diff changeset
   242
                p:= pa.ar[i].x - p2.x;
f7c8cb11a70e No self intersections, except for weirdness between first and last point
unc0rr
parents: 10201
diff changeset
   243
                q:= pa.ar[i].y - p2.y;
f7c8cb11a70e No self intersections, except for weirdness between first and last point
unc0rr
parents: 10201
diff changeset
   244
                aqpb:= a * q - p * b;
f7c8cb11a70e No self intersections, except for weirdness between first and last point
unc0rr
parents: 10201
diff changeset
   245
f7c8cb11a70e No self intersections, except for weirdness between first and last point
unc0rr
parents: 10201
diff changeset
   246
                if (aqpb <> 0) then
f7c8cb11a70e No self intersections, except for weirdness between first and last point
unc0rr
parents: 10201
diff changeset
   247
                begin
f7c8cb11a70e No self intersections, except for weirdness between first and last point
unc0rr
parents: 10201
diff changeset
   248
                    // (ix; iy) is intersection point
10494
0eb97cf4c78e Fix warnings given by 32-bit fpc
unC0Rr
parents: 10478
diff changeset
   249
                    iy:= (((Int64(p2.x) - mp.x) * b + Int64(mp.y) * a) * q - Int64(p2.y) * p * b) div aqpb;
10202
f7c8cb11a70e No self intersections, except for weirdness between first and last point
unc0rr
parents: 10201
diff changeset
   250
                    if abs(b) > abs(q) then
f7c8cb11a70e No self intersections, except for weirdness between first and last point
unc0rr
parents: 10201
diff changeset
   251
                        ix:= (iy - mp.y) * a div b + mp.x
f7c8cb11a70e No self intersections, except for weirdness between first and last point
unc0rr
parents: 10201
diff changeset
   252
                    else
f7c8cb11a70e No self intersections, except for weirdness between first and last point
unc0rr
parents: 10201
diff changeset
   253
                        ix:= (iy - p2.y) * p div q + p2.x;
f7c8cb11a70e No self intersections, except for weirdness between first and last point
unc0rr
parents: 10201
diff changeset
   254
f7c8cb11a70e No self intersections, except for weirdness between first and last point
unc0rr
parents: 10201
diff changeset
   255
                    d:= DistanceI(mp.y - iy, mp.x - ix).Round;
f7c8cb11a70e No self intersections, except for weirdness between first and last point
unc0rr
parents: 10201
diff changeset
   256
                    t2:= b * (mp.y - iy) + a * (mp.x - ix);
f7c8cb11a70e No self intersections, except for weirdness between first and last point
unc0rr
parents: 10201
diff changeset
   257
                    if t2 > 0 then distL:= min(d, distL) else distR:= min(d, distR);
f7c8cb11a70e No self intersections, except for weirdness between first and last point
unc0rr
parents: 10201
diff changeset
   258
                end;
f7c8cb11a70e No self intersections, except for weirdness between first and last point
unc0rr
parents: 10201
diff changeset
   259
            end;
f7c8cb11a70e No self intersections, except for weirdness between first and last point
unc0rr
parents: 10201
diff changeset
   260
        end;
f7c8cb11a70e No self intersections, except for weirdness between first and last point
unc0rr
parents: 10201
diff changeset
   261
f7c8cb11a70e No self intersections, except for weirdness between first and last point
unc0rr
parents: 10201
diff changeset
   262
    // don't move new point for more than length of initial segment
10207
9dd3a44805a1 - Make sure distortion doesn't move fill point to other side of segment, this prevents corrupted maps
unc0rr
parents: 10206
diff changeset
   263
    // adjust/parametrize for more flat surfaces (try values 3/4, 1/2 of dab, or even 1/4)
10499
0d8016085108 modestly randomise dab, bump points again.
nemo
parents: 10495
diff changeset
   264
    d:= dab * 100 div dabDiv;
10495
6d61b44a5652 - Comment out getrandom in addgear for hedgehog, causes preview-game desync
unc0rr
parents: 10494
diff changeset
   265
    //d:= dab * (1 + abs(cFeatureSize - 8)) div 6;
6d61b44a5652 - Comment out getrandom in addgear for hedgehog, causes preview-game desync
unc0rr
parents: 10494
diff changeset
   266
    //d:= dab * (14 + cFeatureSize) div 20;
10201
9bee9541edf1 Fix detection of intersections, still need to check if passing any point in move, but result is already okayish
unc0rr
parents: 10200
diff changeset
   267
    if distL > d then distL:= d;
9bee9541edf1 Fix detection of intersections, still need to check if passing any point in move, but result is already okayish
unc0rr
parents: 10200
diff changeset
   268
    if distR > d then distR:= d;
9bee9541edf1 Fix detection of intersections, still need to check if passing any point in move, but result is already okayish
unc0rr
parents: 10200
diff changeset
   269
10204
50e52e511300 Fix div by zero error in new generator
unc0rr
parents: 10203
diff changeset
   270
    if distR + distL < minDistance * 2 + 10 then
10200
edc2fe0ca03f More math, implementation is nearly complete, just still have an issue to resolve
unc0rr
parents: 10199
diff changeset
   271
    begin
10225
0278759252b6 No more occasional long straight edges
unc0rr
parents: 10209
diff changeset
   272
        // limits are too narrow, just divide
0278759252b6 No more occasional long straight edges
unc0rr
parents: 10209
diff changeset
   273
        newPoint.x:= mp.x;
0278759252b6 No more occasional long straight edges
unc0rr
parents: 10209
diff changeset
   274
        newPoint.y:= mp.y;
10200
edc2fe0ca03f More math, implementation is nearly complete, just still have an issue to resolve
unc0rr
parents: 10199
diff changeset
   275
    end
edc2fe0ca03f More math, implementation is nearly complete, just still have an issue to resolve
unc0rr
parents: 10199
diff changeset
   276
    else
edc2fe0ca03f More math, implementation is nearly complete, just still have an issue to resolve
unc0rr
parents: 10199
diff changeset
   277
    begin
edc2fe0ca03f More math, implementation is nearly complete, just still have an issue to resolve
unc0rr
parents: 10199
diff changeset
   278
        // select distance within [-distL; distR]
10209
76316652ef26 Fix warnings
unc0rr
parents: 10208
diff changeset
   279
        d:= -distL + minDistance + LongInt(GetRandom(distR + distL - minDistance * 2));
10201
9bee9541edf1 Fix detection of intersections, still need to check if passing any point in move, but result is already okayish
unc0rr
parents: 10200
diff changeset
   280
        //d:= distR - minDistance;
10202
f7c8cb11a70e No self intersections, except for weirdness between first and last point
unc0rr
parents: 10201
diff changeset
   281
        //d:= - distL + minDistance;
10200
edc2fe0ca03f More math, implementation is nearly complete, just still have an issue to resolve
unc0rr
parents: 10199
diff changeset
   282
edc2fe0ca03f More math, implementation is nearly complete, just still have an issue to resolve
unc0rr
parents: 10199
diff changeset
   283
        // calculate new point
edc2fe0ca03f More math, implementation is nearly complete, just still have an issue to resolve
unc0rr
parents: 10199
diff changeset
   284
        newPoint.x:= mp.x + a * d div dab;
edc2fe0ca03f More math, implementation is nearly complete, just still have an issue to resolve
unc0rr
parents: 10199
diff changeset
   285
        newPoint.y:= mp.y + b * d div dab;
edc2fe0ca03f More math, implementation is nearly complete, just still have an issue to resolve
unc0rr
parents: 10199
diff changeset
   286
    end;
10199
fdb689b57b1b Some progress on new generator
unc0rr
parents: 10198
diff changeset
   287
end;
fdb689b57b1b Some progress on new generator
unc0rr
parents: 10198
diff changeset
   288
10209
76316652ef26 Fix warnings
unc0rr
parents: 10208
diff changeset
   289
procedure DivideEdges(fillPointsCount: LongWord; var pa: TPixAr);
10202
f7c8cb11a70e No self intersections, except for weirdness between first and last point
unc0rr
parents: 10201
diff changeset
   290
var i, t: LongInt;
10200
edc2fe0ca03f More math, implementation is nearly complete, just still have an issue to resolve
unc0rr
parents: 10199
diff changeset
   291
    newPoint: TPoint;
10199
fdb689b57b1b Some progress on new generator
unc0rr
parents: 10198
diff changeset
   292
begin
10209
76316652ef26 Fix warnings
unc0rr
parents: 10208
diff changeset
   293
    newPoint.x:= 0;
76316652ef26 Fix warnings
unc0rr
parents: 10208
diff changeset
   294
    newPoint.y:= 0;
10199
fdb689b57b1b Some progress on new generator
unc0rr
parents: 10198
diff changeset
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    i:= 0;
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    while i < LongInt(pa.Count) - 1 do
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    begin
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        FindPoint(i, fillPointsCount, newPoint, pa);
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        if (newPoint.x <> pa.ar[i].x) or (newPoint.y <> pa.ar[i].y) then
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        begin
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            // point found, free a slot for it in array, don't forget to move appended fill points
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            for t:= pa.Count + fillPointsCount downto i + 2 do
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                pa.ar[t]:= pa.ar[t - 1];
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            inc(pa.Count);
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            pa.ar[i + 1]:= newPoint;
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            inc(i)
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        end;
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        inc(i)
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    end;
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end;
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procedure Distort2(var Template: TEdgeTemplate; fps: PPointArray; var pa: TPixAr);
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var i: Longword;
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begin
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    // append fill points to ensure distortion won't move them to other side of segment
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    for i:= 0 to pred(Template.FillPointsCount) do
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        begin
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            pa.ar[pa.Count + i].x:= fps^[i].x;
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            pa.ar[pa.Count + i].y:= fps^[i].y;
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        end;
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    // divide while it divides
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    repeat
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        i:= pa.Count;
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        DivideEdges(Template.FillPointsCount, pa)
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    until i = pa.Count;
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unc0rr
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{$IFDEF IPHONEOS}
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    if GameType <> gmtLandPreview then
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{$ENDIF}
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    // make it smooth
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    BezierizeEdge(pa, _0_2);
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end;
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procedure GenTemplated(var Template: TEdgeTemplate);
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var pa: TPixAr;
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    i: Longword;
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    y, x: Longword;
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    fps: TPointArray;
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begin
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    fps:=Template.FillPoints^;
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    ResizeLand(Template.TemplateWidth, Template.TemplateHeight);
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    for y:= 0 to LAND_HEIGHT - 1 do
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        for x:= 0 to LAND_WIDTH - 1 do
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            Land[y, x]:= lfBasic;
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sheepluva
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    minDistance:= sqr(cFeatureSize) div 8 + 10;
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nemo
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    //dabDiv:= getRandom(41)+60;
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nemo
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    //dabDiv:= getRandom(31)+70;
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nemo
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    dabDiv:= getRandom(21)+100;
10208
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    MaxHedgehogs:= Template.MaxHedgehogs;
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    hasGirders:= Template.hasGirders;
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    playHeight:= Template.TemplateHeight;
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   357
    playWidth:= Template.TemplateWidth;
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   358
    leftX:= (LAND_WIDTH - playWidth) div 2;
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76316652ef26 Fix warnings
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    rightX:= Pred(leftX + playWidth);
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    topY:= LAND_HEIGHT - playHeight;
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    {$HINTS OFF}
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    SetPoints(Template, pa, @fps);
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    {$HINTS ON}
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    Distort2(Template, @fps, pa);
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    DrawEdge(pa, 0);
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    with Template do
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        for i:= 0 to pred(FillPointsCount) do
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            with fps[i] do
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                FillLand(x, y, 0, 0);
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   374
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    DrawEdge(pa, lfBasic);
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   376
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   377
    // HACK: force to only cavern even if a cavern map is invertable if cTemplateFilter = 4 ?
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   378
    if (cTemplateFilter = 4)
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   379
    or (Template.canInvert and (getrandom(2) = 0))
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   380
    or (not Template.canInvert and Template.isNegative) then
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   381
        begin
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   382
        hasBorder:= true;
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   383
        for y:= 0 to LAND_HEIGHT - 1 do
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   384
            for x:= 0 to LAND_WIDTH - 1 do
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   385
                if (y < topY) or (x < leftX) or (x > rightX) then
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   386
                    Land[y, x]:= 0
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   387
                else
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   388
                    begin
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   389
                    if Land[y, x] = 0 then
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   390
                        Land[y, x]:= lfBasic
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   391
                    else if Land[y, x] = lfBasic then
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   392
                        Land[y, x]:= 0;
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   393
                    end;
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   394
        end;
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   395
end;
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   396
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   398
end.