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- #ifndef __P_MAPUTL__
- #define __P_MAPUTL__
- #include "r_defs.h"
- #define MAPBLOCKUNITS 128
- #define MAPBLOCKSIZE (MAPBLOCKUNITS*FRACUNIT)
- #define MAPBLOCKSHIFT (FRACBITS+7)
- #define MAPBMASK (MAPBLOCKSIZE-1)
- #define MAPBTOFRAC (MAPBLOCKSHIFT-FRACBITS)
- #define PT_ADDLINES 1
- #define PT_ADDTHINGS 2
- #define PT_EARLYOUT 4
- typedef struct {
- fixed_t x;
- fixed_t y;
- fixed_t dx;
- fixed_t dy;
- } divline_t;
- typedef struct {
- fixed_t frac;
- boolean isaline;
- union {
- mobj_t* thing;
- line_t* line;
- } d;
- } intercept_t;
- typedef boolean (*traverser_t)(intercept_t *in);
- fixed_t CONSTFUNC P_AproxDistance (fixed_t dx, fixed_t dy);
- int PUREFUNC P_PointOnLineSide (fixed_t x, fixed_t y, const line_t *line);
- int PUREFUNC P_BoxOnLineSide (const fixed_t *tmbox, const line_t *ld);
- fixed_t PUREFUNC P_InterceptVector (const divline_t *v2, const divline_t *v1);
- fixed_t PUREFUNC P_InterceptVector2(const divline_t *v2, const divline_t *v1);
- void P_LineOpening (const line_t *linedef);
- void P_UnsetThingPosition(mobj_t *thing);
- void P_SetThingPosition(mobj_t *thing);
- boolean P_BlockLinesIterator (int x, int y, boolean func(line_t *));
- boolean P_BlockThingsIterator(int x, int y, boolean func(mobj_t *));
- boolean P_PathTraverse(fixed_t x1, fixed_t y1, fixed_t x2, fixed_t y2,
- int flags, boolean trav(intercept_t *));
- extern fixed_t opentop;
- extern fixed_t openbottom;
- extern fixed_t openrange;
- extern fixed_t lowfloor;
- extern divline_t trace;
- #endif
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