139 lines
4 KiB
C
139 lines
4 KiB
C
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//-----------------------------------------------------------------------------
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// File: state.h
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//
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// Desc: STATE
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//
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// Copyright (c) 1994-2000 Microsoft Corporation
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//-----------------------------------------------------------------------------
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#ifndef __state_h__
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#define __state_h__
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#define MAX_DRAW_THREADS 4
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#define MAX_TESS 3
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// type(s) of pipes that are drawn
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enum
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{
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DRAW_NORMAL,
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DRAW_FLEX,
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DRAW_BOTH // not currently used
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};
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// Reset status
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#define RESET_STARTUP_BIT (1L << 0)
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#define RESET_NORMAL_BIT (1L << 1)
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#define RESET_RESIZE_BIT (1L << 2)
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#define RESET_REPAINT_BIT (1L << 3)
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// Frame draw schemes
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enum
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{
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FRAME_SCHEME_RANDOM, // pipes draw randomly
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FRAME_SCHEME_CHASE, // pipes chase a lead pipe
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};
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//-----------------------------------------------------------------------------
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// Name:
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// Desc:
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//-----------------------------------------------------------------------------
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class DRAW_THREAD
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{
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private:
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public:
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TEXTUREINFO* m_pTextureInfo;
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IDirect3DDevice8* m_pd3dDevice;
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PIPE* m_pPipe; // generic pipe ptr
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int m_priority;
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DRAW_THREAD();
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~DRAW_THREAD();
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HRESULT InitDeviceObjects( IDirect3DDevice8* pd3dDevice );
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HRESULT RestoreDeviceObjects();
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HRESULT InvalidateDeviceObjects();
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HRESULT DeleteDeviceObjects();
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HRESULT Render();
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HRESULT FrameMove( FLOAT fElapsedTime );
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void SetTexture( TEXTUREINFO* pTextureInfo );
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void SetPipe( PIPE* pPipe );
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BOOL StartPipe();
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void KillPipe();
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};
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// Program existence instance
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class NORMAL_STATE;
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class FLEX_STATE;
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struct CONFIG;
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//-----------------------------------------------------------------------------
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// Name:
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// Desc:
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//-----------------------------------------------------------------------------
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class STATE
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{
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public:
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CONFIG* m_pConfig;
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BOOL m_bUseTexture; // global texture enable
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TEXTUREINFO m_textureInfo[MAX_TEXTURES];
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int m_nTextures;
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IDirect3DDevice8* m_pd3dDevice;
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ID3DXMatrixStack* m_pWorldMatrixStack;
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D3DLIGHT8 m_light;
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FLOAT m_fLastTime;
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PIPE* m_pLeadPipe; // lead pipe for chase scenarios
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int m_nSlices; // reference # of slices around a pipe
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IPOINT2D m_texRep[MAX_TEXTURES];
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VIEW m_view; // viewing parameters
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float m_radius; // 'reference' pipe radius value
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NODE_ARRAY* m_nodes; // for keeping track of draw space
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NORMAL_STATE* m_pNState;
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FLEX_STATE* m_pFState;
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LPDIRECT3DVERTEXBUFFER8 m_pClearVB;
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STATE( CONFIG* pConfig );
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~STATE();
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void Reshape( int width, int height );
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void Repaint();
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HRESULT InitDeviceObjects( IDirect3DDevice8* pd3dDevice );
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HRESULT RestoreDeviceObjects();
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HRESULT InvalidateDeviceObjects();
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HRESULT DeleteDeviceObjects();
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HRESULT Render();
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HRESULT FrameMove( FLOAT fElapsedTime );
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private:
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int m_drawMode; // drawing mode (flex or normal for now)
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int m_drawScheme; // random or chase
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int m_maxPipesPerFrame; // max number of separate pipes/frame
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int m_nPipesDrawn; // number of pipes drawn or drawing in frame
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int m_maxDrawThreads; // max number of concurrently drawing pipes
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int m_nDrawThreads; // number of live threads
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DRAW_THREAD m_drawThreads[MAX_DRAW_THREADS];
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int m_resetStatus;
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HRESULT LoadTextureFiles( int nTextures, TCHAR strTextureFileNames[MAX_PATH][MAX_TEXTURES], int* anDefaultTextureResource );
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int PickRandomTexture( int iThread, int nTextures );
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BOOL Clear();
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void ChooseNewLeadPipe();
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void CompactThreadList();
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void GLInit();
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void DrawValidate(); // validation to do before each Draw
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void ResetView();
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BOOL FrameReset();
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void CalcTexRepFactors();
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int CalcMaxPipesPerFrame();
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};
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#endif // __state_h__
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