130 lines
3.4 KiB
C
130 lines
3.4 KiB
C
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/******************************Module*Header*******************************\
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* Module Name: state.h
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*
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* STATE
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*
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* Copyright (c) 1995 Microsoft Corporation
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*
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\**************************************************************************/
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#ifndef __state_h__
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#define __state_h__
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#include "sscommon.hxx"
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#include "pipe.h"
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#include "node.h"
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#include "view.h"
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#include "nstate.h"
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#include "fstate.h"
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#define MAX_DRAW_THREADS 4
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#define TEAPOT 66
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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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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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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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class DRAW_THREAD {
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private:
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HDC hdc;
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HTEXTURE htex;
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public:
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HGLRC hglrc; // rc to draw with (public so STATE can delete)
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int priority;
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DRAW_THREAD();
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~DRAW_THREAD();
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PIPE *pPipe; // generic pipe ptr
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void SetRCDC( HGLRC rc, HDC hdc );
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BOOL HasRC();
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HGLRC GetRC();
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void MakeRCCurrent();
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void SetTexture( HTEXTURE htex );
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void SetPipe( PIPE *pipe );
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BOOL StartPipe();
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void DrawPipe();
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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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class STATE {
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public:
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HGLRC shareRC; // RC that objects are shared from
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PIPE *pLeadPipe; // lead pipe for chase scenarios
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int nSlices; // reference # of slices around a pipe
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BOOL bTexture; // global texture enable
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int nTextures;
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TEXTURE texture[MAX_TEXTURES];
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IPOINT2D texRep[MAX_TEXTURES];
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VIEW view; // viewing parameters
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float radius; // 'reference' pipe radius value
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NODE_ARRAY *nodes; // for keeping track of draw space
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NORMAL_STATE *pNState;
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FLEX_STATE *pFState;
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STATE( BOOL bFlexMode, BOOL bMultiPipes );
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~STATE();
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void Reshape( int width, int height, void *data );
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void Repaint( LPRECT pRect, void *data );
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void Draw( void *data );
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void Finish( void *data );
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private:
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int drawMode; // drawing mode (flex or normal for now)
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int drawScheme; // random or chase
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int maxPipesPerFrame; // max number of separate pipes/frame
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int nPipesDrawn; // number of pipes drawn or drawing in frame
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int maxDrawThreads; // max number of concurrently drawing pipes
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int nDrawThreads; // number of live threads
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DRAW_THREAD drawThreads[MAX_DRAW_THREADS];
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int resetStatus;
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SS_DIGITAL_DISSOLVE_CLEAR ddClear;
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int bCalibrateClear;
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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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void FrameReset();
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void Clear();
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void ChooseNewLeadPipe();
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void CompactThreadList();
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BOOL LoadTextureFiles();
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BOOL LoadTextureFiles( TEXFILE *pTexFile, int nTexFiles,
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TEX_RES *pTexRes );
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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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