}
plane_t;
+struct texture_s;
typedef struct trace_s
{
- // if true, the entire trace was in solid
+ // if true, the entire trace was in solid (see hitsupercontentsmask)
int allsolid;
- // if true, the initial point was in solid
+ // 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 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
+ // (set only by Q1BSP tracing)
int inopen;
- // if true, the trace passed through water somewhere
+ // if true, the trace passed through water/slime/lava somewhere
+ // (set only by Q1BSP tracing)
int inwater;
// fraction of the total distance that was traveled before impact
// (1.0 = did not hit anything)
double fraction;
- // final position
+ // 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
+ // surface normal at impact (not really correct for edge collisions)
plane_t plane;
// entity the surface is on
+ // (not set by trace functions, only by physics)
void *ent;
- // if not zero, treats this value as empty, and all others as solid (impact
- // on content change)
- int thiscontents;
- // the contents at the impact or end point
- int endcontents;
+ // which SUPERCONTENTS bits to collide with, I.E. to consider solid
+ // (this also affects startsolid/allsolid)
+ int hitsupercontentsmask;
+ // the supercontents mask at the start point
+ int startsupercontents;
+ // the supercontents of the impacted surface
+ int hitsupercontents;
+ // the q3 surfaceflags of the impacted surface
+ int hitq3surfaceflags;
+ // the texture of the impacted surface
+ struct texture_s *hittexture;
+ // initially false, set when the start leaf is found
+ // (set only by Q1BSP tracing and entity box tracing)
+ int startfound;
}
trace_t;
-void Collision_RoundUpToHullSize(const model_t *cmodel, const vec3_t inmins, const vec3_t inmaxs, vec3_t outmins, vec3_t outmaxs);
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);
+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);
typedef struct colpointf_s
{
typedef struct colplanef_s
{
+ struct texture_s *texture;
+ int q3surfaceflags;
float normal[3];
float dist;
}
typedef struct colbrushf_s
{
+ // the content flags of this brush
+ int supercontents;
+ // the number of bounding planes on this brush
int numplanes;
+ // the number of corner points on this brush
int numpoints;
+ // the number of renderable triangles on this brush
+ int numtriangles;
+ // array of bounding planes on this brush
colplanef_t *planes;
+ // array of corner points on this brush
colpointf_t *points;
+ // renderable triangles, as int[3] elements indexing the points
+ int *elements;
+ // used to avoid tracing against the same brush more than once
+ int markframe;
+ // culling box
+ vec3_t mins;
+ vec3_t maxs;
}
colbrushf_t;
-colbrushf_t *Collision_AllocBrushFloat(mempool_t *mempool, int numpoints, int numplanes);
void Collision_CalcPlanesForPolygonBrushFloat(colbrushf_t *brush);
-colbrushf_t *Collision_AllocBrushFromPermanentPolygonFloat(mempool_t *mempool, int numpoints, float *points);
+colbrushf_t *Collision_AllocBrushFromPermanentPolygonFloat(mempool_t *mempool, int numpoints, float *points, int supercontents);
+colbrushf_t *Collision_NewBrushFromPlanes(mempool_t *mempool, int numoriginalplanes, const colplanef_t *originalplanes, int supercontents);
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_TraceBrushPolygonFloat(trace_t *trace, const colbrushf_t *thisbrush_start, const colbrushf_t *thisbrush_end, int numpoints, const float *points);
-void Collision_TraceBrushPolygonTransformFloat(trace_t *trace, const colbrushf_t *thisbrush_start, const colbrushf_t *thisbrush_end, int numpoints, const float *points, const matrix4x4_t *polygonmatrixstart, const matrix4x4_t *polygonmatrixend);
-
-typedef struct colpointd_s
-{
- double v[3];
-}
-colpointd_t;
-
-typedef struct colplaned_s
-{
- double normal[3];
- double dist;
-}
-colplaned_t;
-
-typedef struct colbrushd_s
-{
- int numplanes;
- int numpoints;
- colplaned_t *planes;
- colpointd_t *points;
-}
-colbrushd_t;
-
-colbrushd_t *Collision_AllocBrushDouble(mempool_t *mempool, int numpoints, int numplanes);
-void Collision_CalcPlanesForPolygonBrushDouble(colbrushd_t *brush);
-colbrushd_t *Collision_AllocBrushFromPermanentPolygonDouble(mempool_t *mempool, int numpoints, double *points);
-void Collision_TraceBrushBrushDouble(trace_t *trace, const colbrushd_t *thisbrush_start, const colbrushd_t *thisbrush_end, const colbrushd_t *thatbrush_start, const colbrushd_t *thatbrush_end);
-void Collision_TraceBrushPolygonDouble(trace_t *trace, const colbrushd_t *thisbrush_start, const colbrushd_t *thisbrush_end, int numpoints, const double *points);
-
-void Collision_TraceBrushBModel(trace_t *trace, const colbrushf_t *thisbrush_start, const colbrushf_t *thisbrush_end, model_t *model);
-void Collision_TraceBrushBModelTransform(trace_t *trace, const colbrushf_t *thisbrush_start, const colbrushf_t *thisbrush_end, model_t *model, const matrix4x4_t *modelmatrixstart, const matrix4x4_t *modelmatrixend);
-
-void Collision_PolygonClipTrace(trace_t *trace, const void *cent, model_t *cmodel, const vec3_t corigin, const vec3_t cangles, const vec3_t cmins, const vec3_t cmaxs, const vec3_t start, const vec3_t mins, const vec3_t maxs, const vec3_t end);
-
-colbrushf_t *Collision_BrushForBox(const matrix4x4_t *matrix, const vec3_t mins, const vec3_t maxs);
+void Collision_TraceBrushPolygonFloat(trace_t *trace, const colbrushf_t *thisbrush_start, const colbrushf_t *thisbrush_end, int numpoints, const float *points, int supercontents);
+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 supercontents, int q3surfaceflags, 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_TraceLinePolygonFloat(trace_t *trace, const vec3_t linestart, const vec3_t lineend, int numpoints, const float *points, int supercontents);
+void Collision_TraceLineTriangleMeshFloat(trace_t *trace, const vec3_t linestart, const vec3_t lineend, int numtriangles, const int *element3i, const float *vertex3f, int supercontents, int q3surfaceflags, 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_TraceBrushPolygonTransformFloat(trace_t *trace, const colbrushf_t *thisbrush_start, const colbrushf_t *thisbrush_end, int numpoints, const float *points, const matrix4x4_t *polygonmatrixstart, const matrix4x4_t *polygonmatrixend, int supercontents, int q3surfaceflags, texture_t *texture);
+
+colbrushf_t *Collision_BrushForBox(const matrix4x4_t *matrix, const vec3_t mins, const vec3_t maxs, int supercontents, int q3surfaceflags, 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);
+
+// traces a box move against a single entity
+// mins and maxs are relative
+//
+// if the entire move stays in a single solid brush, trace.allsolid will be set
+//
+// if the starting point is in a solid, it will be allowed to move out to an
+// open area, and trace.startsolid will be set
+//
+// type is one of the MOVE_ values such as MOVE_NOMONSTERS which skips box
+// entities, only colliding with SOLID_BSP entities (doors, lifts)
+//
+// passedict is excluded from clipping checks
+void Collision_ClipToGenericEntity(trace_t *trace, dp_model_t *model, int frame, 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);
+// 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);
+// 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);
+
+// this enables rather large debugging spew!
+// settings:
+// 0 = no spew
+// 1 = spew trace calls if something odd is happening
+// 2 = spew trace calls always
+// 3 = spew detailed trace flow (bsp tree recursion info)
+#define COLLISIONPARANOID 0
#endif
projects / xonotic / darkplaces.git / blobdiff