X-Git-Url: http://git.xonotic.org/?p=xonotic%2Fdarkplaces.git;a=blobdiff_plain;f=collision.h;h=f62356b02ca85eb6e1ae4381fd043bfa422e116e;hp=0da12477b785b6393fb4baaf1c3e43b3a40a48b3;hb=91342dd0a88d002a188418a4b0dd21957e0737b6;hpb=17f95319455e01172cfdd806c8b7bc97064203fc diff --git a/collision.h b/collision.h index 0da12477..f62356b0 100644 --- a/collision.h +++ b/collision.h @@ -2,10 +2,18 @@ #ifndef COLLISION_H #define COLLISION_H -typedef struct plane_s +#include "matrixlib.h" +struct mempool_s; +struct model_s; + +typedef union plane_s { - vec3_t normal; - float dist; + struct + { + vec3_t normal; + vec_t dist; + }; + vec4_t normal_and_dist; } plane_t; @@ -27,12 +35,9 @@ typedef struct trace_s // (set only by Q1BSP tracing) int inwater; // fraction of the total distance that was traveled before impact + // in case of impact this is actually nudged a bit off the surface // (1.0 = did not hit anything) double fraction; - // like fraction but is not nudged away from the surface (better for - // comparisons between two trace structs, as only one nudge for the final - // result is ever needed) - double realfraction; // final position of the trace (simply a point between start and end) double endpos[3]; // surface normal at impact (not really correct for edge collisions) @@ -43,6 +48,10 @@ typedef struct trace_s // which SUPERCONTENTS bits to collide with, I.E. to consider solid // (this also affects startsolid/allsolid) int hitsupercontentsmask; + // deliberately skip surfaces matching this mask (e.g. SUPERCONTENTS_SKY allows you to bypass sky surfaces in q1bsp/q2bsp which are SUPERCONTENTS_SKY | SUPERCONTENTS_SOLID) + int skipsupercontentsmask; + // deliberately skip surfaces matching this mask on materialflags (e.g. MATERIALFLAGMASK_TRANSLUCENT) + int skipmaterialflagsmask; // the supercontents mask at the start point int startsupercontents; // the supercontents of the impacted surface @@ -58,15 +67,16 @@ typedef struct trace_s // trace, and the normal needed to push it out of that solid double startdepth; double startdepthnormal[3]; + const struct texture_s *starttexture; } trace_t; void Collision_Init(void); -void Collision_ClipTrace_Box(trace_t *trace, const vec3_t cmins, const vec3_t cmaxs, const vec3_t start, const vec3_t mins, const vec3_t maxs, const vec3_t end, int hitsupercontentsmask, int boxsupercontents, int boxq3surfaceflags, const texture_t *boxtexture); -void Collision_ClipTrace_Point(trace_t *trace, const vec3_t cmins, const vec3_t cmaxs, const vec3_t start, int hitsupercontentsmask, int boxsupercontents, int boxq3surfaceflags, const texture_t *boxtexture); +void Collision_ClipTrace_Box(trace_t *trace, const vec3_t cmins, const vec3_t cmaxs, const vec3_t start, const vec3_t mins, const vec3_t maxs, const vec3_t end, int hitsupercontentsmask, int skipsupercontentsmask, int skipmaterialflagsmask, int boxsupercontents, int boxq3surfaceflags, const texture_t *boxtexture); +void Collision_ClipTrace_Point(trace_t *trace, const vec3_t cmins, const vec3_t cmaxs, const vec3_t start, int hitsupercontentsmask, int skipsupercontentsmask, int skipmaterialflagsmask, int boxsupercontents, int boxq3surfaceflags, const texture_t *boxtexture); -void Collision_Cache_Reset(qboolean resetlimits); -void Collision_Cache_Init(mempool_t *mempool); +void Collision_Cache_Reset(qbool resetlimits); +void Collision_Cache_Init(struct mempool_s *mempool); void Collision_Cache_NewFrame(void); typedef struct colpointf_s @@ -79,8 +89,15 @@ typedef struct colplanef_s { const struct texture_s *texture; int q3surfaceflags; - vec3_t normal; - vec_t dist; + union + { + struct + { + vec3_t normal; + vec_t dist; + }; + vec4_t normal_and_dist; + }; } colplanef_t; @@ -124,14 +141,13 @@ typedef struct colboxbrushf_s colboxbrushf_t; void Collision_CalcPlanesForTriangleBrushFloat(colbrushf_t *brush); -colbrushf_t *Collision_AllocBrushFromPermanentPolygonFloat(mempool_t *mempool, int numpoints, float *points, int supercontents, int q3surfaceflags, const texture_t *texture); -colbrushf_t *Collision_NewBrushFromPlanes(mempool_t *mempool, int numoriginalplanes, const colplanef_t *originalplanes, int supercontents, int q3surfaceflags, const texture_t *texture, int hasaabbplanes); +colbrushf_t *Collision_NewBrushFromPlanes(struct mempool_s *mempool, int numoriginalplanes, const colplanef_t *originalplanes, int supercontents, int q3surfaceflags, const texture_t *texture, int hasaabbplanes); void Collision_TraceBrushBrushFloat(trace_t *trace, const colbrushf_t *thisbrush_start, const colbrushf_t *thisbrush_end, const colbrushf_t *thatbrush_start, const colbrushf_t *thatbrush_end); void Collision_TraceBrushTriangleMeshFloat(trace_t *trace, const colbrushf_t *thisbrush_start, const colbrushf_t *thisbrush_end, int numtriangles, const int *element3i, const float *vertex3f, int stride, float *bbox6f, int supercontents, int q3surfaceflags, const texture_t *texture, const vec3_t segmentmins, const vec3_t segmentmaxs); void Collision_TraceLineBrushFloat(trace_t *trace, const vec3_t linestart, const vec3_t lineend, const colbrushf_t *thatbrush_start, const colbrushf_t *thatbrush_end); void Collision_TraceLineTriangleMeshFloat(trace_t *trace, const vec3_t linestart, const vec3_t lineend, int numtriangles, const int *element3i, const float *vertex3f, int stride, float *bbox6f, int supercontents, int q3surfaceflags, const texture_t *texture, const vec3_t segmentmins, const vec3_t segmentmaxs); void Collision_TracePointBrushFloat(trace_t *trace, const vec3_t point, const colbrushf_t *thatbrush); -qboolean Collision_PointInsideBrushFloat(const vec3_t point, const colbrushf_t *brush); +qbool Collision_PointInsideBrushFloat(const vec3_t point, const colbrushf_t *brush); void Collision_BrushForBox(colboxbrushf_t *boxbrush, const vec3_t mins, const vec3_t maxs, int supercontents, int q3surfaceflags, const texture_t *texture); @@ -155,23 +171,20 @@ void Collision_TraceBrushTriangleFloat(trace_t *trace, const colbrushf_t *thisbr // passedict is excluded from clipping checks struct frameblend_s; struct skeleton_s; -void Collision_ClipToGenericEntity(trace_t *trace, dp_model_t *model, const struct frameblend_s *frameblend, const struct skeleton_s *skeleton, const vec3_t bodymins, const vec3_t bodymaxs, int bodysupercontents, matrix4x4_t *matrix, matrix4x4_t *inversematrix, const vec3_t start, const vec3_t mins, const vec3_t maxs, const vec3_t end, int hitsupercontentsmask); -void Collision_ClipLineToGenericEntity(trace_t *trace, dp_model_t *model, const struct frameblend_s *frameblend, const struct skeleton_s *skeleton, const vec3_t bodymins, const vec3_t bodymaxs, int bodysupercontents, matrix4x4_t *matrix, matrix4x4_t *inversematrix, const vec3_t start, const vec3_t end, int hitsupercontentsmask, qboolean hitsurfaces); -void Collision_ClipPointToGenericEntity(trace_t *trace, dp_model_t *model, const struct frameblend_s *frameblend, const struct skeleton_s *skeleton, const vec3_t bodymins, const vec3_t bodymaxs, int bodysupercontents, matrix4x4_t *matrix, matrix4x4_t *inversematrix, const vec3_t start, int hitsupercontentsmask); +void Collision_ClipToGenericEntity(trace_t *trace, struct model_s *model, const struct frameblend_s *frameblend, const struct skeleton_s *skeleton, const vec3_t bodymins, const vec3_t bodymaxs, int bodysupercontents, matrix4x4_t *matrix, matrix4x4_t *inversematrix, const vec3_t start, const vec3_t mins, const vec3_t maxs, const vec3_t end, int hitsupercontentsmask, int skipsupercontentsmask, int skipmaterialflagsmask, float extend); +void Collision_ClipLineToGenericEntity(trace_t *trace, struct model_s *model, const struct frameblend_s *frameblend, const struct skeleton_s *skeleton, const vec3_t bodymins, const vec3_t bodymaxs, int bodysupercontents, matrix4x4_t *matrix, matrix4x4_t *inversematrix, const vec3_t start, const vec3_t end, int hitsupercontentsmask, int skipsupercontentsmask, int skipmaterialflagsmask, float extend, qbool hitsurfaces); +void Collision_ClipPointToGenericEntity(trace_t *trace, struct model_s *model, const struct frameblend_s *frameblend, const struct skeleton_s *skeleton, const vec3_t bodymins, const vec3_t bodymaxs, int bodysupercontents, matrix4x4_t *matrix, matrix4x4_t *inversematrix, const vec3_t start, int hitsupercontentsmask, int skipsupercontentsmask, int skipmaterialflagsmask); // like above but does not do a transform and does nothing if model is NULL -void Collision_ClipToWorld(trace_t *trace, dp_model_t *model, const vec3_t start, const vec3_t mins, const vec3_t maxs, const vec3_t end, int hitsupercontents); -void Collision_ClipLineToWorld(trace_t *trace, dp_model_t *model, const vec3_t start, const vec3_t end, int hitsupercontents, qboolean hitsurfaces); -void Collision_ClipPointToWorld(trace_t *trace, dp_model_t *model, const vec3_t start, int hitsupercontents); +void Collision_ClipToWorld(trace_t *trace, struct model_s *model, const vec3_t start, const vec3_t mins, const vec3_t maxs, const vec3_t end, int hitsupercontentsmask, int skipsupercontentsmask, int skipmaterialflagsmask, float extend); +void Collision_ClipLineToWorld(trace_t *trace, struct model_s *model, const vec3_t start, const vec3_t end, int hitsupercontentsmask, int skipsupercontentsmask, int skipmaterialflagsmask, float extend, qbool hitsurfaces); +void Collision_ClipPointToWorld(trace_t *trace, struct model_s *model, const vec3_t start, int hitsupercontentsmask, int skipsupercontentsmask, int skipmaterialflagsmask); // caching surface trace for renderer (NOT THREAD SAFE) -void Collision_Cache_ClipLineToGenericEntitySurfaces(trace_t *trace, dp_model_t *model, matrix4x4_t *matrix, matrix4x4_t *inversematrix, const vec3_t start, const vec3_t end, int hitsupercontentsmask); -void Collision_Cache_ClipLineToWorldSurfaces(trace_t *trace, dp_model_t *model, const vec3_t start, const vec3_t end, int hitsupercontents); +void Collision_Cache_ClipLineToGenericEntitySurfaces(trace_t *trace, struct model_s *model, matrix4x4_t *matrix, matrix4x4_t *inversematrix, const vec3_t start, const vec3_t end, int hitsupercontentsmask, int skipsupercontentsmask, int skipmaterialflagsmask); +void Collision_Cache_ClipLineToWorldSurfaces(trace_t *trace, struct model_s *model, const vec3_t start, const vec3_t end, int hitsupercontentsmask, int skipsupercontentsmask, int skipmaterialflagsmask); // combines data from two traces: // merges contents flags, startsolid, allsolid, inwater // updates fraction, endpos, plane and surface info if new fraction is shorter -void Collision_CombineTraces(trace_t *cliptrace, const trace_t *trace, void *touch, qboolean isbmodel); - -// shorten a trace by the given factor -void Collision_ShortenTrace(trace_t *trace, float shorten_factor, const vec3_t end); +void Collision_CombineTraces(trace_t *cliptrace, const trace_t *trace, void *touch, qbool isbmodel); // this enables rather large debugging spew! // settings: @@ -181,11 +194,10 @@ void Collision_ShortenTrace(trace_t *trace, float shorten_factor, const vec3_t e // 3 = spew detailed trace flow (bsp tree recursion info) #define COLLISIONPARANOID 0 -// make every trace qu longer, and shorten the result, to work around a stupid bug somewhere -#define COLLISION_STUPID_TRACE_ENDPOS_IN_SOLID_WORKAROUND -#ifdef COLLISION_STUPID_TRACE_ENDPOS_IN_SOLID_WORKAROUND -extern cvar_t collision_endposnudge; -#endif - +extern struct cvar_s collision_impactnudge; +extern struct cvar_s collision_extendtracelinelength; +extern struct cvar_s collision_extendtraceboxlength; +extern struct cvar_s collision_extendmovelength; +extern struct cvar_s collision_bih_fullrecursion; #endif