author | unc0rr |
Fri, 29 Aug 2008 21:05:31 +0000 | |
changeset 1238 | 914bd2a9a249 |
parent 1066 | 1f1b3686a2b0 |
child 2599 | c7153d2348f3 |
permissions | -rw-r--r-- |
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(* |
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* Hedgewars, a free turn based strategy game |
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* Copyright (c) 2007 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA |
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*) |
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unit uTriggers; |
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interface |
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uses SDLh, uConsts; |
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{$INCLUDE options.inc} |
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const trigTurns = $80000001; |
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type TTrigAction = (taSpawnGear, taSuccessFinish, taFailFinish); |
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procedure AddTriggerSpawner(id, Ticks, Lives: Longword; GearType: TGearType; X, Y: LongInt; GearTriggerId: Longword); |
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procedure AddTriggerSuccess(id, Ticks, Lives: Longword); |
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procedure AddTriggerFail(id, Ticks, Lives: Longword); |
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procedure TickTrigger(id: Longword); |
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implementation |
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uses uGears, uFloat, uMisc, uWorld; |
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type PTrigger = ^TTrigger; |
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TTrigger = record |
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id: Longword; |
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Ticks: Longword; |
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Lives: Longword; |
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TicksPerLife: LongWord; |
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Action: TTrigAction; |
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X, Y: LongInt; |
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SpawnGearType: TGearType; |
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SpawnGearTriggerId: Longword; |
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Next: PTrigger; |
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end; |
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var TriggerList: PTrigger = nil; |
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function AddTrigger(id, Ticks, Lives: Longword): PTrigger; |
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var tmp: PTrigger; |
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begin |
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new(tmp); |
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FillChar(tmp^, sizeof(TTrigger), 0); |
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tmp^.id:= id; |
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tmp^.Ticks:= Ticks; |
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tmp^.TicksPerLife:= Ticks; |
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tmp^.Lives:= Lives; |
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if TriggerList <> nil then tmp^.Next:= TriggerList; |
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TriggerList:= tmp; |
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AddTrigger:= tmp |
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end; |
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procedure AddTriggerSpawner(id, Ticks, Lives: Longword; GearType: TGearType; X, Y: LongInt; GearTriggerId: Longword); |
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var tmp: PTrigger; |
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begin |
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if (Ticks = 0) or (Lives = 0) then exit; |
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tmp:= AddTrigger(id, Ticks, Lives); |
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tmp^.Action:= taSpawnGear; |
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tmp^.X:= X; |
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tmp^.Y:= Y; |
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tmp^.SpawnGearType:= GearType; |
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tmp^.SpawnGearTriggerId:= GearTriggerId |
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end; |
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procedure AddTriggerSuccess(id, Ticks, Lives: Longword); |
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begin |
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with AddTrigger(id, Ticks, Lives)^ do |
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Action:= taSuccessFinish |
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end; |
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procedure AddTriggerFail(id, Ticks, Lives: Longword); |
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begin |
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with AddTrigger(id, Ticks, Lives)^ do |
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Action:= taFailFinish |
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end; |
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procedure TickTriggerT(Trigger: PTrigger); |
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begin |
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{$IFDEF DEBUGFILE}AddFileLog('Tick trigger (type: ' + inttostr(LongWord(Trigger^.Action)) + ')');{$ENDIF} |
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with Trigger^ do |
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case Action of |
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taSpawnGear: begin |
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FollowGear:= AddGear(X, Y, SpawnGearType, 0, _0, _0, 0); |
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FollowGear^.TriggerId:= SpawnGearTriggerId |
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end; |
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taSuccessFinish: begin |
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GameState:= gsExit |
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end; |
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taFailFinish: begin |
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GameState:= gsExit |
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end |
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end |
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end; |
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procedure TickTrigger(id: Longword); |
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var t, pt, nt: PTrigger; |
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begin |
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t:= TriggerList; |
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pt:= nil; |
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while (t <> nil) do |
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begin |
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nt:= t^.Next; |
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if (t^.id = id) then |
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begin |
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dec(t^.Ticks); |
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if (t^.Ticks = 0) then |
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begin |
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TickTriggerT(t); |
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dec(t^.Lives); |
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t^.Ticks:= t^.TicksPerLife; |
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if (t^.Lives = 0) then |
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begin |
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if t = TriggerList then |
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begin |
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TriggerList:= nt; |
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Dispose(t) |
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end |
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else |
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begin |
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pt^.Next:= nt; |
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Dispose(t); |
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t:= pt |
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end |
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end |
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end |
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end; |
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pt:= t; |
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t:= nt |
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end |
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end; |
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end. |