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Autodocs Include classes clib datatypes devices diskfont dos exec gadgets graphics clip.h / .i coerce.h / .i collide.h copper.h / .i display.h / .i displayinfo.h / .i gels.h / .i gfx.h / .i gfxbase.h / .i gfxmacros.h gfxnodes.h / .i graphint.h layers.h / .i modeid.h / .i monitor.h / .i rastport.h / .i regions.h / .i rpattr.h / .i scale.h / .i sprite.h / .i text.h / .i videocontrol.h / .i view.h / .i hardware images intuition libraries pragma pragmas prefs proto reaction resources rexx utility workbench GuruMeditation | #ifndef GRAPHICS_GELS_H #define GRAPHICS_GELS_H /* ** $VER: gels.h 39.0 (21.8.1991) ** Includes Release 45.1 ** ** include file for AMIGA GELS (Graphics Elements) ** ** (C) Copyright 1985-2001 Amiga, Inc. ** All Rights Reserved */ #ifndef EXEC_TYPES_H #include <exec/types.h> #endif /* VSprite flags */ /* user-set VSprite flags: */ #define SUSERFLAGS 0x00FF /* mask of all user-settable VSprite-flags */ #define VSPRITE 0x0001 /* set if VSprite, clear if Bob */ #define SAVEBACK 0x0002 /* set if background is to be saved/restored */ #define OVERLAY 0x0004 /* set to mask image of Bob onto background */ #define MUSTDRAW 0x0008 /* set if VSprite absolutely must be drawn */ /* system-set VSprite flags: */ #define BACKSAVED 0x0100 /* this Bob's background has been saved */ #define BOBUPDATE 0x0200 /* temporary flag, useless to outside world */ #define GELGONE 0x0400 /* set if gel is completely clipped (offscreen) */ #define VSOVERFLOW 0x0800 /* VSprite overflow (if MUSTDRAW set we draw!) */ /* Bob flags */ /* these are the user flag bits */ #define BUSERFLAGS 0x00FF /* mask of all user-settable Bob-flags */ #define SAVEBOB 0x0001 /* set to not erase Bob */ #define BOBISCOMP 0x0002 /* set to identify Bob as AnimComp */ /* these are the system flag bits */ #define BWAITING 0x0100 /* set while Bob is waiting on 'after' */ #define BDRAWN 0x0200 /* set when Bob is drawn this DrawG pass*/ #define BOBSAWAY 0x0400 /* set to initiate removal of Bob */ #define BOBNIX 0x0800 /* set when Bob is completely removed */ #define SAVEPRESERVE 0x1000 /* for back-restore during double-buffer*/ #define OUTSTEP 0x2000 /* for double-clearing if double-buffer */ /* defines for the animation procedures */ #define ANFRACSIZE 6 #define ANIMHALF 0x0020 #define RINGTRIGGER 0x0001 /* UserStuff definitions * the user can define these to be a single variable or a sub-structure * if undefined by the user, the system turns these into innocuous variables * see the manual for a thorough definition of the UserStuff definitions * */ #ifndef VUserStuff /* VSprite user stuff */ #define VUserStuff WORD #endif #ifndef BUserStuff /* Bob user stuff */ #define BUserStuff WORD #endif #ifndef AUserStuff /* AnimOb user stuff */ #define AUserStuff WORD #endif /*********************** GEL STRUCTURES ***********************************/ struct VSprite { /* --------------------- SYSTEM VARIABLES ------------------------------- */ /* GEL linked list forward/backward pointers sorted by y,x value */ struct VSprite *NextVSprite; struct VSprite *PrevVSprite; /* GEL draw list constructed in the order the Bobs are actually drawn, then * list is copied to clear list * must be here in VSprite for system boundary detection */ struct VSprite *DrawPath; /* pointer of overlay drawing */ struct VSprite *ClearPath; /* pointer for overlay clearing */ /* the VSprite positions are defined in (y,x) order to make sorting * sorting easier, since (y,x) as a long integer */ WORD OldY, OldX; /* previous position */ /* --------------------- COMMON VARIABLES --------------------------------- */ WORD Flags; /* VSprite flags */ /* --------------------- USER VARIABLES ----------------------------------- */ /* the VSprite positions are defined in (y,x) order to make sorting * sorting easier, since (y,x) as a long integer */ WORD Y, X; /* screen position */ WORD Height; WORD Width; /* number of words per row of image data */ WORD Depth; /* number of planes of data */ WORD MeMask; /* which types can collide with this VSprite*/ WORD HitMask; /* which types this VSprite can collide with*/ WORD *ImageData; /* pointer to VSprite image */ /* borderLine is the one-dimensional logical OR of all * the VSprite bits, used for fast collision detection of edge */ WORD *BorderLine; /* logical OR of all VSprite bits */ WORD *CollMask; /* similar to above except this is a matrix */ /* pointer to this VSprite's color definitions (not used by Bobs) */ WORD *SprColors; struct Bob *VSBob; /* points home if this VSprite is part of a Bob */ /* planePick flag: set bit selects a plane from image, clear bit selects * use of shadow mask for that plane * OnOff flag: if using shadow mask to fill plane, this bit (corresponding * to bit in planePick) describes whether to fill with 0's or 1's * There are two uses for these flags: * - if this is the VSprite of a Bob, these flags describe how the Bob * is to be drawn into memory * - if this is a simple VSprite and the user intends on setting the * MUSTDRAW flag of the VSprite, these flags must be set too to describe * which color registers the user wants for the image */ BYTE PlanePick; BYTE PlaneOnOff; VUserStuff VUserExt; /* user definable: see note above */ }; struct Bob /* blitter-objects */ { /* --------------------- SYSTEM VARIABLES --------------------------------- */ /* --------------------- COMMON VARIABLES --------------------------------- */ WORD Flags; /* general purpose flags (see definitions below) */ /* --------------------- USER VARIABLES ----------------------------------- */ WORD *SaveBuffer; /* pointer to the buffer for background save */ /* used by Bobs for "cookie-cutting" and multi-plane masking */ WORD *ImageShadow; /* pointer to BOBs for sequenced drawing of Bobs * for correct overlaying of multiple component animations */ struct Bob *Before; /* draw this Bob before Bob pointed to by before */ struct Bob *After; /* draw this Bob after Bob pointed to by after */ struct VSprite *BobVSprite; /* this Bob's VSprite definition */ struct AnimComp *BobComp; /* pointer to this Bob's AnimComp def */ struct DBufPacket *DBuffer; /* pointer to this Bob's dBuf packet */ BUserStuff BUserExt; /* Bob user extension */ }; struct AnimComp { /* --------------------- SYSTEM VARIABLES --------------------------------- */ /* --------------------- COMMON VARIABLES --------------------------------- */ WORD Flags; /* AnimComp flags for system & user */ /* timer defines how long to keep this component active: * if set non-zero, timer decrements to zero then switches to nextSeq * if set to zero, AnimComp never switches */ WORD Timer; /* --------------------- USER VARIABLES ----------------------------------- */ /* initial value for timer when the AnimComp is activated by the system */ WORD TimeSet; /* pointer to next and previous components of animation object */ struct AnimComp *NextComp; struct AnimComp *PrevComp; /* pointer to component component definition of next image in sequence */ struct AnimComp *NextSeq; struct AnimComp *PrevSeq; /* address of special animation procedure */ WORD (*AnimCRoutine) __CLIB_PROTOTYPE((struct AnimComp *)); WORD YTrans; /* initial y translation (if this is a component) */ WORD XTrans; /* initial x translation (if this is a component) */ struct AnimOb *HeadOb; struct Bob *AnimBob; }; struct AnimOb { /* --------------------- SYSTEM VARIABLES --------------------------------- */ struct AnimOb *NextOb, *PrevOb; /* number of calls to Animate this AnimOb has endured */ LONG Clock; WORD AnOldY, AnOldX; /* old y,x coordinates */ /* --------------------- COMMON VARIABLES --------------------------------- */ WORD AnY, AnX; /* y,x coordinates of the AnimOb */ /* --------------------- USER VARIABLES ----------------------------------- */ WORD YVel, XVel; /* velocities of this object */ WORD YAccel, XAccel; /* accelerations of this object */ WORD RingYTrans, RingXTrans; /* ring translation values */ /* address of special animation procedure */ WORD (*AnimORoutine) __CLIB_PROTOTYPE((struct AnimOb *)); struct AnimComp *HeadComp; /* pointer to first component */ AUserStuff AUserExt; /* AnimOb user extension */ }; /* dBufPacket defines the values needed to be saved across buffer to buffer * when in double-buffer mode */ struct DBufPacket { WORD BufY, BufX; /* save the other buffers screen coordinates */ struct VSprite *BufPath; /* carry the draw path over the gap */ /* these pointers must be filled in by the user */ /* pointer to other buffer's background save buffer */ WORD *BufBuffer; }; /* ************************************************************************ */ /* these are GEL functions that are currently simple enough to exist as a * definition. It should not be assumed that this will always be the case */ #define InitAnimate(animKey) {*(animKey) = NULL;} #define RemBob(b) {(b)->Flags |= BOBSAWAY;} /* ************************************************************************ */ #define B2NORM 0 #define B2SWAP 1 #define B2BOBBER 2 /* ************************************************************************ */ /* a structure to contain the 16 collision procedure addresses */ struct collTable { /* NOTE: This table actually consists of two different types of * pointers. The first table entry is for collision testing, * the other are for reporting collisions. The first function * pointer looks like this: * * LONG (*collPtrs[0])(struct VSprite *,WORD); * * The remaining 15 function pointers look like this: * * VOID (*collPtrs[1..15])(struct VSprite *,struct VSprite *); */ LONG (*collPtrs[16]) __CLIB_PROTOTYPE((struct VSprite *,struct VSprite *)); }; #endif /* GRAPHICS_GELS_H */ Comments |
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