145 lines
3.8 KiB
C
145 lines
3.8 KiB
C
/*
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* FrameInt.h
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*
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* Internal definitions for the framework library.
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*
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*/
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#ifndef _frameint_h
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#define _frameint_h
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/* Check the header files have been included from frame.h if they
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* are used outside of the framework library.
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*/
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#if !defined(_frame_h) && !defined(FRAME_LIB_INCLUDE)
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#error Framework header files MUST be included from Frame.h ONLY.
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#endif
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/* Define the style and extended style of the window.
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* Need these to calculate the size the window should be when returning to
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* window mode.
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*
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* create a title bar, minimise button on the title bar,
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* automatic ShowWindow, get standard system menu on title bar
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*/
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#define WIN_STYLE (WS_CAPTION | WS_MINIMIZEBOX | WS_VISIBLE | WS_SYSMENU)
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#define WIN_EXSTYLE WS_EX_APPWINDOW // Go on task bar when iconified
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/* Program hInstance */
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extern HINSTANCE hInstance;
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/* Handle for the main window */
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extern HANDLE hWndMain;
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/* Initialise the double buffered display */
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extern BOOL screenInitialise(UDWORD width, // Display width
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UDWORD height, // Display height
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UDWORD bitDepth, // Display bit depth
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BOOL fullScreen, // Whether to start windowed
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// or full screen.
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BOOL bVidMem, // Whether to put surfaces in
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// video memory
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BOOL bDDraw, // Whether to create ddraw surfaces // video memory
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HANDLE hWindow); // The main windows handle
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/* Release the DD objects */
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extern void screenShutDown(void);
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/* Restore the direct draw surfaces - internal use only */
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extern void screenRestoreSurfaces(void);
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/* In full screen mode flip to the GDI buffer.
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* Use this if you want the user to see any GDI output.
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* This is mainly used so that ASSERTs and message boxes appear
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* even in full screen mode.
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*/
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extern void screenFlipToGDI(void);
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/* Deal with windows messages to maintain the state of the keyboard and mouse */
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extern void inputProcessMessages(UINT message, WPARAM wParam, LPARAM lParam);
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/* This is called once a frame so that the system can tell
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* whether a key was pressed this turn or held down from the last frame.
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*/
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extern void inputNewFrame(void);
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/* The list of surfaces structure */
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typedef struct _surface_list
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{
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LPDIRECTDRAWSURFACE4 psSurface;
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struct _surface_list *psNext;
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} SURFACE_LIST;
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/* The list of surfaces */
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extern SURFACE_LIST *psSurfaces;
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/* Release all the allocated surfaces */
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extern void surfShutDown(void);
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/* Free current currently open widget file */
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BOOL FreeCurrentWDG(void);
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/* The Direct Draw object */
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extern LPDIRECTDRAW4 psDD;
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/* The Current screen size and bit depth */
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extern UDWORD screenWidth;
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extern UDWORD screenHeight;
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extern UDWORD screenDepth;
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/* Which modes the library can run in */
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typedef enum _display_modes
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{
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MODE_BOTH, // Can run both windowed and full screen
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MODE_WINDOWED, // Can only run windowed, not full screen
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MODE_FULLSCREEN, // Can only run full screen not windowed
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MODE_8BITFUDGE, // Runs 8 bit full screen, then true colour windowed
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// blitting the 8 bit back buffer to the windows display
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} DISPLAY_MODES;
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/* The current screen mode (full screen/windowed) */
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// extern SCREEN_MODE screenMode;
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/* Which mode (of operation) the library is running in */
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extern DISPLAY_MODES displayMode;
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/* The Front and back buffers */
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extern LPDIRECTDRAWSURFACE4 psFront;
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extern LPDIRECTDRAWSURFACE4 psBack;
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/* The Pixel format of the back buffer */
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extern DDPIXELFORMAT sBackBufferPixelFormat;
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/* Window's Pixel format */
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extern DDPIXELFORMAT sWinPixelFormat;
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// The possible flip states
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typedef enum _flip_state
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{
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FLIP_IDLE,
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FLIP_STARTED,
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FLIP_FINISHED,
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} FLIP_STATE;
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extern FLIP_STATE screenFlipState;
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// The critical section for the screen flipping
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extern CRITICAL_SECTION sScreenFlipCritical;
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// The semaphore for the screen flipping
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extern HANDLE hScreenFlipSemaphore;
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#endif
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