#ifndef GRAPHICS_SCREENS_H #define GRAPHICS_SCREENS_H TRUE /* ** $VER: screens.h V1.0 ** ** Screen Definitions ** ** (C) Copyright 1996-1998 DreamWorld Productions. ** All Rights Reserved. */ #ifndef DPKERNEL_H #include #endif /**************************************************************************** ** Screen Object. */ #define VER_SCREEN 1 #define TAGS_SCREEN ((ID_SPCTAGS<<16)|ID_SCREEN) typedef struct GScreen { struct Head Head; /* [00] Standard structure header */ APTR MemPtr1; /* [12] Ptr to screen 1 */ APTR MemPtr2; /* [16] Ptr to screen 2 (double buffer) */ APTR MemPtr3; /* [20] Ptr to screen 3 (triple buffer) */ struct GScreen *Link; /* [24] Reserved */ struct Raster *Raster; /* [28] Ptr to a raster object */ WORD Width; /* [32] The width of the visible screen */ WORD Height; /* [34] The height of the visible screen */ WORD XOffset; /* [36] Hardware co-ordinate for TOS */ WORD YOffset; /* [38] Hardware co-ordinate for LOS */ WORD BmpXOffset; /* [40] Offset of the horizontal axis */ WORD BmpYOffset; /* [42] Offset of the vertical axis */ WORD ScrMode; /* [44] What screen mode is it? */ WORD reserved; /* [46] Reserved. */ LONG Attrib; /* [48] Special Attributes are? */ struct DPKTask *prvTask; /* [52] Private */ struct Bitmap *Bitmap; /* [56] Bitmap */ WORD Switch; /* [60] R: Set to switch the buffers */ /* Private fields */ WORD prv; /* 1 */ APTR prvTypeEmulator; /* 2 Emulation */ APTR prvMonitor; /* 3 Monitor driver */ APTR prvEMemPtr1; /* 4 Chunky driver */ APTR prvEMemPtr2; /* 5 Chunky driver */ APTR prvEMemPtr3; /* 6 Chunky driver */ APTR prvEFree1; /* 7 Chunky driver */ APTR prvEFree2; /* 8 Chunky driver */ APTR prvEFree3; /* 9 Chunky driver */ BYTE prvColBits; /* 10 0 = 12bit, 1 = 24bit */ BYTE prvPad; /* 11 Unused */ LONG prvShowKey; /* 12 Resource key if the screen is shown */ LONG prvScratch; /* 13 Scratch address! */ struct ScreenPrefs *Prefs; /* 14 Screen preferences for this screen */ APTR prvLineWait; /* 15 Line Wait till bitplanes start */ WORD *prvEnd; /* 16 Ptr to the copper's jump end */ WORD prvBurstLevel; /* 17 FMode setting for bitplanes */ struct Control *prvControl; /* 18 BPLCON0 */ APTR prvModulo; /* 19 The screen modulo */ APTR prvScrPosition; /* 20 DIW's, DDF's, DIWHIGH */ APTR prvStart; /* 21 Start of main copperlist */ APTR prvSprites; /* 22 Pointer to the copper sprites */ APTR prvColours; /* 23 Pointer to the copper colours */ WORD prvAmtBankCols; /* 24 Amount of colours per bank (AGA) */ WORD prvAmtBanks; /* 25 Amount of banks in total (AGA) */ WORD prvHiLoOffset; /* 26 Offset between hi and lo bits (AGA) */ BYTE *prvBitplanes1; /* 27 Ptr to copper bitplane loaders #1 */ BYTE *prvBitplanes2; /* 28 Ptr to copper bitplane loaders #2 */ BYTE *prvBitplanes3; /* 29 Ptr to copper bitplane loaders #3 */ LONG prvColListJmp; /* 30 Offset to RasterList */ LONG prvBmpXOffset; /* 31 X offset for scrolling */ LONG prvBmpYOffset; /* 32 Y offset for scrolling */ WORD prvScrollBWidth; /* 33 Set to 2 if scrolling */ APTR prvMemPtr1; /* 34 Original screen mem start (1) */ APTR prvMemPtr2; /* 35 Original screen mem start (2) */ APTR prvMemPtr3; /* 36 Original screen mem start (3) */ WORD prvBPLCON3; /* 37 BPLCON3 actual data (not a ptr) */ WORD prvAmtFields; /* 38 Amount of PlayFields on screen */ WORD prvFieldNum; /* 39 Number of this field */ WORD prvScrLRWidth; /* 40 ScrWidth, in lo-resolution */ WORD prvScrLRBWidth; /* 41 ScrByteWidth, in lo-resolution */ WORD prvPicLRWidth; /* 42 PicWidth, in lo-resolution */ WORD prvTOSX; /* 43 Top of screen X for this screen */ WORD prvTOSY; /* 44 Top of screen Y for this screen */ APTR prvCopperMem; /* 45 Pointer to original screen mem start */ struct Bitmap *prvBitmap; /* 46 Allocated bitmap */ WORD prvBlitXOffset; /* 47 Offset to use for blitting (hard-scroll) */ LONG *prvPalette; /* 48 Allocated palette */ APTR prvBufPtr1; /* 49 */ APTR prvBufPtr2; /* 50 */ APTR prvBufPtr3; /* 51 */ } OBJ_SCREEN; /* Screen Buffer names, these are asked for in the blitter functions */ #define BUFFER1 12 #define BUFFER2 16 #define BUFFER3 20 /* SCREEN ATTRIBUTES (Attrib) */ #define SCR_DBLBUFFER 0x00000001 /* For double buffering */ #define SCR_TPLBUFFER 0x00000002 /* Triple buffering!! */ /*#define SCR_PLAYFIELD 0x00000004 Set if it's part of a playfield */ #define SCR_HSCROLL 0x00000008 /* Gotta set this to do scrolling */ #define SCR_VSCROLL 0x00000010 /* For vertical scrolling */ /*#define SCR_SPRITES 0x00000020 Set this if you want sprites */ #define SCR_SBUFFER 0x00000040 /* Create a buffer for horiz scrolling */ #define SCR_CENTRE 0x00000080 /* Centre the screen (sets XOffset/YOffset) */ #define SCR_BLKBDR 0x00000100 /* Gives a blackborder on AGA machines */ #define SCR_NOSCRBDR 0x00000200 /* For putting sprites in the border */ /* SCREEN MODES (ScrMode) */ #define SM_HIRES 0x0001 /* High resolution */ #define SM_SHIRES 0x0002 /* Super-High resolution */ #define SM_LACED 0x0004 /* Interlaced */ #define SM_LORES 0x0008 /* Low resolution (default) */ #define SM_SLACED 0x0020 /* Super-Laced resolution */ /* Screen Tags */ #define GSA_MemPtr1 (12|TAPTR) #define GSA_MemPtr2 (16|TAPTR) #define GSA_MemPtr3 (20|TAPTR) #define GSA_Raster (28|TAPTR) #define GSA_Width (32|TWORD) #define GSA_Height (34|TWORD) #define GSA_XOffset (36|TWORD) #define GSA_YOffset (38|TWORD) #define GSA_BmpXOffset (40|TWORD) #define GSA_BmpYOffset (42|TWORD) #define GSA_ScrMode (44|TWORD) #define GSA_Attrib (48|TLONG) #define GSA_BitmapTags (56|TSTEPIN) /**************************************************************************** ** Raster object. */ #define VER_RASTER 1 #define TAGS_RASTER ((ID_SPCTAGS<<16)|ID_RASTER) typedef struct Raster { struct Head Head; /* Standard header */ struct RHead *Command; /* Pointer to the first command */ struct GScreen *Screen; /* Pointer to our Screen owner */ LONG Flags; /* Special flags */ /*** Private fields ***/ APTR prvRasterMem; } OBJ_RASTER; #define RSF_DISPLAYED 0x00000001 /* If the raster is currently on display */ /**************************************************************************** ** Rasterlist command header format. */ struct RStats { LONG CopSize; UWORD *CopPos; }; struct RHead { WORD ID; WORD Version; struct RStats *Stats; struct RHead *Prev; struct RHead *Next; }; /**************************************************************************** ** These are the raster command structures. */ #define ID_RASTWAIT 1 #define ID_RASTFLOOD 2 #define ID_RASTCOLOUR 3 #define ID_RASTCOLOURLIST 4 #define ID_RASTMIRROR 5 #define ID_RASTEND 6 typedef struct RWait { struct RHead Head; WORD Line; } RMD_WAIT; typedef struct RFlood { struct RHead Head; } RMD_FLOOD; typedef struct RColour { struct RHead Head; LONG Colour; LONG Value; } RMD_COLOUR; typedef struct RColourList { struct RHead Head; WORD YCoord; WORD Skip; LONG Colour; LONG *Values; } RMD_COLOURLIST; #endif /* GRAPHICS_SCREENS_H */