#ifndef GMS_SCREENS_H #define GMS_SCREENS_H TRUE /* ** $VER: screens.h V0.8B ** ** Screen Definitions ** ** (C) Copyright 1996-1997 DreamWorld Productions. ** All Rights Reserved */ #ifndef DPKERNEL_H #include #endif /**************************************************************************** ** Screen Object. */ #define SCRVERSION 1 #define TAGS_SCREEN ((ID_SPCTAGS<<16)|ID_SCREEN) struct GScreen { struct Head Head; /* Standard structure header */ APTR MemPtr1; /* Ptr to screen 1 */ APTR MemPtr2; /* Ptr to screen 2 (double buffer) */ APTR MemPtr3; /* Ptr to screen 3 (triple buffer) */ struct GScreen *Next; /* Ptr to a linked screen */ LONG *Palette; /* Ptr to the screen palette */ APTR Rasterlist; /* Ptr to a rasterlist */ LONG AmtColours; /* The amount of colours in the palette */ WORD ScrWidth; /* The width of the visible screen */ WORD ScrHeight; /* The height of the visible screen */ WORD PicWidth; /* The width of the picture (pixels) */ WORD PicByteWidth; /* The width of the picture (bytes) READ ONLY */ WORD PicHeight; /* The height of the entire screen */ WORD Planes; /* The amount of planes in da screen */ WORD ScrXOffset; /* Hardware co-ordinate for TOS */ WORD ScrYOffset; /* Hardware co-ordinate for LOS */ WORD PicXOffset; /* Offset of the horizontal axis */ WORD PicYOffset; /* Offset of the vertical axis */ LONG Attrib; /* Special Attributes are? */ WORD ScrMode; /* What screen mode is it? */ WORD ScrType; /* Interleaved/Planar/Chunky? */ struct DPKTask *Task; /* R: Task that owns this screen */ LONG PlaneSize; /* R: Size of a plane (bytewidth*height) */ struct Bitmap *Bitmap; /* R: Bitmap */ /* Private fields */ APTR prvTypeEmulator; /* Emulation */ APTR prvMonitor; /* Monitor driver */ APTR prvEMemPtr1; /* Chunky driver */ APTR prvEMemPtr2; /* Chunky driver */ APTR prvEMemPtr3; /* Chunky driver */ APTR prvEFree1; /* Chunky driver */ APTR prvEFree2; /* Chunky driver */ APTR prvEFree3; /* Chunky driver */ BYTE prvColBits; /* 0 = 12bit, 1 = 24bit */ BYTE prvPad; /* Unused */ LONG prvShowKey; /* Resource key if the screen is shown */ LONG prvScratch; /* Scratch address! */ APTR prvScreenPrefs; /* Screen preferences for this screen */ APTR prvLineWait; /* Line Wait till bitplanes start */ APTR prvEnd; /* Ptr to the copper's jump end */ WORD prvBurstLevel; /* FMode setting for bitplanes */ APTR prvControl; /* BPLCON0 */ APTR prvModulo; /* The screen modulo */ APTR prvScrPosition; /* DIW's, DDF's, DIWHIGH */ APTR prvStart; /* Start of main copperlist */ APTR prvSprites; /* Pointer to the copper sprites */ APTR prvColours; /* Pointer to the copper colours */ WORD prvAmtBankCols; /* Amount of colours per bank (AGA) */ WORD prvAmtBanks; /* Amount of banks in total (AGA) */ WORD prvHiLoOffset; /* Offset between hi and lo bits (AGA) */ APTR prvBitplanes1; /* Ptr to copper bitplane loaders #1 */ APTR prvBitplanes2; /* Ptr to copper bitplane loaders #2 */ APTR prvBitplanes3; /* Ptr to copper bitplane loaders #3 */ APTR prvColListJmp; /* Jumper to RasterList */ LONG prvPicXOffset; /* X offset for scrolling */ LONG prvPicYOffset; /* Y offset for scrolling */ WORD prvScrollBWidth; /* Set to 2 if scrolling */ APTR prvMemPtr1; /* Original screen mem start (1) */ APTR prvMemPtr2; /* Original screen mem start (2) */ APTR prvMemPtr3; /* Original screen mem start (3) */ WORD prvBPLCON3; /* BPLCON3 actual data (not a ptr) */ WORD prvAmtFields; /* Amount of PlayFields on screen */ WORD prvFieldNum; /* Number of this field */ WORD prvScrLRWidth; /* ScrWidth, in lo-resolution */ WORD prvScrLRBWidth; /* ScrByteWidth, in lo-resolution */ WORD prvPicLRWidth; /* PicWidth, in lo-resolution */ WORD prvTOSX; /* Top of screen X for this screen */ WORD prvTOSY; /* Top of screen Y for this screen */ LONG prvLineMod; /* The distance between lines */ LONG prvPlaneMod; /* The distance between bitplanes */ APTR prvCopperMem; /* Pointer to original screen mem start */ APTR prvRasterListMem; /* Start of colour list memory */ WORD prvBlitXOffset; /* Offset to use for blitting (hard-scroll) */ LONG prvAddScreenKey; /* Resource key for AddScreen() */ }; /* Screen Buffer names, these are asked for in the blitter functions */ #define BUFFER1 12 #define BUFFER2 16 #define BUFFER3 20 /* SCREEN ATTRIBUTES (Attrib) */ #define DBLBUFFER 0x00000001 /* For double buffering */ #define TPLBUFFER 0x00000002 /* Triple buffering!! */ #define PLAYFIELD 0x00000004 /* Set if it's part of a playfield */ #define HSCROLL 0x00000008 /* Gotta set this to do scrolling */ #define VSCROLL 0x00000010 /* For vertical scrolling */ #define SPRITES 0x00000020 /* Set this if you want sprites */ #define SBUFFER 0x00000040 /* Create a buffer for horiz scrolling */ #define CENTRE 0x00000080 /* Centre the screen (sets XOffset/YOffset) */ #define BLKBDR 0x00000100 /* Gives a blackborder on AGA machines */ #define NOSCRBDR 0x00000200 /* For putting sprites in the border */ /* SCREEN TYPES (ScrType) */ #define INTERLEAVED 1 /* These are numbers, not bits */ #define ILBM 1 #define PLANAR 2 #define CHUNKY8 3 #define CHUNKY16 4 #define TRUECOLOUR 5 /* SCREEN MODES (ScrMode) */ #define HIRES 0x0001 /* High resolution */ #define SHIRES 0x0002 /* Super-High resolution */ #define LACED 0x0004 /* Interlaced */ #define LORES 0x0008 /* Low resolution (default) */ #define EXTRAHB 0x0010 /* Extra Half-Brite */ #define SLACED 0x0020 /* Super-Laced resolution */ #define HAM 0x0040 /* For HAM mode */ /* Screen Attribute tags */ #define GSA_MemPtr1 (12|TAPTR) #define GSA_MemPtr2 (16|TAPTR) #define GSA_MemPtr3 (20|TAPTR) #define GSA_Screenlink (24|TAPTR) #define GSA_Palette (28|TAPTR) #define GSA_Rasterlist (32|TAPTR) #define GSA_AmtColours (36|TLONG) #define GSA_ScrWidth (40|TWORD) #define GSA_ScrHeight (42|TWORD) #define GSA_PicWidth (44|TWORD) #define GSA_PicByteWidth (46|TWORD) #define GSA_PicHeight (48|TWORD) #define GSA_Planes (50|TWORD) #define GSA_ScrXOffset (52|TWORD) #define GSA_ScrYOffset (54|TWORD) #define GSA_PicXOffset (56|TWORD) #define GSA_PicYOffset (58|TWORD) #define GSA_Attrib (60|TLONG) #define GSA_ScrMode (64|TWORD) #define GSA_ScrType (66|TWORD) /**************************************************************************** ** Raster/Copper commands for RasterLists. ** ** Example of initialising a colourlist: ** ** LONG RasterList[] = { ** COLOURLIST(0,1,0,&Colourlist), ** RASTEND ** }; ** ** COLOUR (ColourNumber,0xRRGGBB) ** COLOURLIST (StartLine,SKip,Colour,&Colourlist) ** SPRITE (Sprite) ** SCROLL (Fields,PixelOffset0-16,PixelQuarterOffset 1-4) ** FLOOD () ** REPOINT (&BitplanePtr) ** MIRROR () ** NEWPALETTE (ColStart,AmtCols,&Palette) ** WAITLINE (Line) ** RASTEND () ** */ #define WAITLINE(a) (00<<16)|(a),0 #define COLOUR(a,b) (02<<16),(a),(b),0 #define NEWPALETTE(a,b,c) (04<<16),(a),(b),(LONG)(c),0 #define COLOURLIST(a,b,c,d) (06<<16)|(a),(b<<16)|(c),(LONG)(d),0 #define SPRITE(a) (08<<16),(a),0 #define SCROLL(a,b,c) (10<<16)|(a),(b<<16)|(c),0 #define FSCROLL(a,b,c,d) (12<<16)|(a),(b<<16)|(c),(d<<16),0 #define FLOOD (14<<16),0 #define REPOINT(a) (16<<16),(LONG)(a),0 #define MIRROR (18<<16),0 #define RASTEND 0xffffffff /*************************************************************************** ** Sprite Object. */ #define SPRVERSION 1 #define TAGS_SPRITE ((ID_SPCTAGS<<16)|ID_SPRITE) struct Sprite { struct Head Head; /* [00] Standard structure header */ APTR Data; /* [12] Pointer to Sprite graphic */ WORD Number; /* [16] Bank number to access */ WORD XPos; /* [18] X position */ WORD YPos; /* [20] Y position */ WORD Frame; /* [22] Frame number */ WORD Width; /* [24] Width in pixels */ WORD Height; /* [26] Height in pixels */ WORD AmtColours; /* [28] 4 or 16 */ WORD ColStart; /* [30] Colour bank to access, increments of 16 */ WORD Planes; /* [32] Amount of planes per bank */ WORD ScrMode; /* [34] HiRes/LoRes/SHiRes */ WORD FieldPri; /* [36] Field position in relation to playfields */ WORD Attrib; /* [38] Attributes (XLONG) */ struct GScreen *Owner; /* [40] Screen structure */ /*** Private fields below ***/ LONG prvFrameSize; /* Amt of space used by one bank */ LONG prvSpriteSize; /* Size of entire frame, incl XLONG */ WORD prvCtrlWidth; /* Control word width */ WORD prvCopOffset; /* Sprite offset in copper */ WORD prvXResShift; /* The resolution shift, for hires/shires */ WORD prvYResShift; /* The resolution shift, for laced */ }; #define SPA_Data (12|TAPTR) #define SPA_Number (16|TWORD) #define SPA_XCoord (18|TWORD) #define SPA_YCoord (20|TWORD) #define SPA_Frame (22|TWORD) #define SPA_Width (24|TWORD) #define SPA_Height (26|TWORD) #define SPA_AmtColours (28|TWORD) #define SPA_ColStart (30|TWORD) #define SPA_Planes (32|TWORD) #define SPA_ScrMode (34|TWORD) #define SPA_FieldPri (36|TWORD) #define SPA_Attrib (38|TWORD) #define SPA_Owner (40|TAPTR) #define XLONG 0x0001 #endif