#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;
typedef struct trace_s
{
// if true, the entire trace was in solid (see hitsupercontentsmask)
- int allsolid;
+ qbool allsolid;
// if true, the initial point was in solid (see hitsupercontentsmask)
- int startsolid;
+ qbool startsolid;
+ // this is set to true in world.c if startsolid was set in a trace against world
+ qbool 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;
+ qbool bmodelstartsolid;
// if true, the trace passed through empty somewhere
// (set only by Q1BSP tracing)
- int inopen;
+ qbool inopen;
// if true, the trace passed through water/slime/lava somewhere
// (set only by Q1BSP tracing)
- int inwater;
+ qbool 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)
// 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
// 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;
+ qbool startfound;
// if startsolid, contains the minimum penetration depth found in the
// 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(qbool resetlimits);
+void Collision_Cache_Init(struct mempool_s *mempool);
+void Collision_Cache_NewFrame(void);
typedef struct colpointf_s
{
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;
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
}
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(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, 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);
+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, 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
// 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, 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);
-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, 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:
// 3 = spew detailed trace flow (bsp tree recursion info)
#define COLLISIONPARANOID 0
-// make every trace <collision_endposnudge>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