X-Git-Url: http://de.git.xonotic.org/?p=xonotic%2Fdarkplaces.git;a=blobdiff_plain;f=collision.h;h=9984a166fef6cc89022680fbcbd6c997710cb9a3;hp=52c52e87c14997c535a01f96cafed97b7238d603;hb=85a33377d64ae8438e6582a7b8472f5a4bd41942;hpb=ddcccee8e93bfabf3c32972e58b608b211a38e6c diff --git a/collision.h b/collision.h index 52c52e87..9984a166 100644 --- a/collision.h +++ b/collision.h @@ -2,10 +2,14 @@ #ifndef COLLISION_H #define COLLISION_H -typedef struct plane_s +typedef union plane_s { - vec3_t normal; - float dist; + struct + { + vec3_t normal; + vec_t dist; + }; + vec4_t normal_and_dist; } plane_t; @@ -16,6 +20,8 @@ typedef struct trace_s int allsolid; // if true, the initial point was in solid (see hitsupercontentsmask) int startsolid; + // this is set to true in world.c if startsolid was set in a trace against world + int worldstartsolid; // this is set to true in world.c if startsolid was set in a trace against a SOLID_BSP entity, in other words this is true if the entity is stuck in a door or wall, but not if stuck in another normal entity int bmodelstartsolid; // if true, the trace passed through empty somewhere @@ -25,12 +31,9 @@ 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) @@ -41,6 +44,10 @@ 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 @@ -48,7 +55,7 @@ typedef struct trace_s // the q3 surfaceflags of the impacted surface int hitq3surfaceflags; // the texture of the impacted surface - struct texture_s *hittexture; + const struct texture_s *hittexture; // initially false, set when the start leaf is found // (set only by Q1BSP tracing and entity box tracing) int startfound; @@ -56,12 +63,17 @@ 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, 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, 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_NewFrame(void); typedef struct colpointf_s { @@ -71,10 +83,17 @@ colpointf_t; typedef struct colplanef_s { - struct texture_s *texture; + 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; @@ -100,7 +119,7 @@ typedef struct colbrushf_s int numtriangles; int *elements; // texture data for cases where an edgedir is used - struct texture_s *texture; + const struct texture_s *texture; int q3surfaceflags; // optimized collisions for common cases int isaabb; // indicates this is an axis aligned box @@ -117,22 +136,22 @@ typedef struct colboxbrushf_s } colboxbrushf_t; -void Collision_CalcPlanesForPolygonBrushFloat(colbrushf_t *brush); -colbrushf_t *Collision_AllocBrushFromPermanentPolygonFloat(mempool_t *mempool, int numpoints, float *points, int supercontents, int q3surfaceflags, texture_t *texture); -colbrushf_t *Collision_NewBrushFromPlanes(mempool_t *mempool, int numoriginalplanes, const colplanef_t *originalplanes, int supercontents, int q3surfaceflags, texture_t *texture, int hasaabbplanes); +void Collision_CalcPlanesForTriangleBrushFloat(colbrushf_t *brush); +colbrushf_t *Collision_NewBrushFromPlanes(mempool_t *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, texture_t *texture, const vec3_t segmentmins, const vec3_t segmentmaxs); +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, texture_t *texture, const vec3_t segmentmins, const vec3_t segmentmaxs); +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); -void Collision_BrushForBox(colboxbrushf_t *boxbrush, const vec3_t mins, const vec3_t maxs, int supercontents, int q3surfaceflags, texture_t *texture); +void Collision_BrushForBox(colboxbrushf_t *boxbrush, const vec3_t mins, const vec3_t maxs, int supercontents, int q3surfaceflags, const texture_t *texture); void Collision_BoundingBoxOfBrushTraceSegment(const colbrushf_t *start, const colbrushf_t *end, vec3_t mins, vec3_t maxs, float startfrac, float endfrac); float Collision_ClipTrace_Line_Sphere(double *linestart, double *lineend, double *sphereorigin, double sphereradius, double *impactpoint, double *impactnormal); -void Collision_TraceLineTriangleFloat(trace_t *trace, const vec3_t linestart, const vec3_t lineend, const float *point0, const float *point1, const float *point2, int supercontents, int q3surfaceflags, texture_t *texture); +void Collision_TraceLineTriangleFloat(trace_t *trace, const vec3_t linestart, const vec3_t lineend, const float *point0, const float *point1, const float *point2, int supercontents, int q3surfaceflags, const texture_t *texture); +void Collision_TraceBrushTriangleFloat(trace_t *trace, const colbrushf_t *thisbrush_start, const colbrushf_t *thisbrush_end, const float *v0, const float *v1, const float *v2, int supercontents, int q3surfaceflags, const texture_t *texture); // traces a box move against a single entity // mins and maxs are relative @@ -148,21 +167,21 @@ void Collision_TraceLineTriangleFloat(trace_t *trace, const vec3_t linestart, co // 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); -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, 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, int skipsupercontentsmask, int skipmaterialflagsmask, float extend); +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, int skipsupercontentsmask, int skipmaterialflagsmask, float extend, 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, 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); -void Collision_ClipPointToWorld(trace_t *trace, dp_model_t *model, const vec3_t start, int hitsupercontents); +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 hitsupercontentsmask, int skipsupercontentsmask, int skipmaterialflagsmask, float extend); +void Collision_ClipLineToWorld(trace_t *trace, dp_model_t *model, const vec3_t start, const vec3_t end, int hitsupercontentsmask, int skipsupercontentsmask, int skipmaterialflagsmask, float extend, qboolean hitsurfaces); +void Collision_ClipPointToWorld(trace_t *trace, dp_model_t *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, int skipsupercontentsmask, int skipmaterialflagsmask); +void Collision_Cache_ClipLineToWorldSurfaces(trace_t *trace, dp_model_t *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); - // this enables rather large debugging spew! // settings: // 0 = no spew @@ -171,11 +190,10 @@ 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 cvar_t collision_impactnudge; +extern cvar_t collision_extendtracelinelength; +extern cvar_t collision_extendtraceboxlength; +extern cvar_t collision_extendmovelength; +extern cvar_t collision_bih_fullrecursion; #endif