Cyd
2b8ca921cb
Complete disaster-recovery snapshot: engine/game source, game data assets, VC6 toolchain + DX SDKs, build outputs, deployed game, and _UNUSED archive. Large binaries in Git LFS; text preserved byte-for-byte (core.autocrlf=false, no eol attributes). See RECOVERY.md for the one-clone rebuild procedure.
79 lines
1.2 KiB
C++
79 lines
1.2 KiB
C++
#include"stdafx.h"
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#include "UndoQueue.h"
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#ifdef _DEBUG
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#define new DEBUG_NEW
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#undef THIS_FILE
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static char THIS_FILE[] = __FILE__;
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#endif
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UndoQueue::UndoQueue()
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{
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RedoTot=Initalized=Current=Size=Filled=0;
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for(int i=0;i<MAX_UNDO;i++) Data[i]=0;
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}
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void UndoQueue::Initalize(int sze)
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{
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ASSERT(!Initalized);
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SetSize(sze);
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}
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void UndoQueue::UnInitalize()
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{
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int i;
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for(i=0;i<Size;i++) delete Data[i];
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Size=0;
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}
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UndoQueue::~UndoQueue()
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{
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UnInitalize();
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}
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void UndoQueue::SetSize(int sze)
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{
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int i;
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ASSERT(sze<=MAX_UNDO);
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RedoTot=Current=Filled=0;
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if(Initalized)
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for(i=0;i<Size;i++) {delete Data[i]; Data[i]=0;}
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Size=sze;
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for(i=0;i<Size;i++) Data[i]=new TCTTerrainData;
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}
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TCTTerrainData &UndoQueue::Undo(TCTTerrainData &cstate)
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{
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ASSERT(Filled);
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*Data[Current]=cstate;
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Filled--;
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Current--;
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if(Current<0) Current=Size+Current;
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RedoTot++;
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return *Data[Current];
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}
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TCTTerrainData &UndoQueue::Redo()
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{
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ASSERT(RedoTot);
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Current=(Current+1)%Size;
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RedoTot--;
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Filled++;
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return *Data[Current];
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}
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void UndoQueue::SaveState(TCTTerrainData &tdat)
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{
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RedoTot=0;
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Filled++;
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if(Filled>Size) Filled=Size;
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*(Data[Current])=tdat;
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Current=(Current+1)%Size;
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}
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