cvar_t collision_endposnudge = {0, "collision_endposnudge", "0", "workaround to fix trace_endpos sometimes being returned where it would be inside solid by making that collision hit (recommended: values like 1)"};
#endif
cvar_t collision_debug_tracelineasbox = {0, "collision_debug_tracelineasbox", "0", "workaround for any bugs in Collision_TraceLineBrushFloat by using Collision_TraceBrushBrushFloat"};
+cvar_t collision_cache = {0, "collision_cache", "1", "store results of collision traces for next frame to reuse if possible (optimization)"};
+
+mempool_t *collision_mempool;
void Collision_Init (void)
{
Cvar_RegisterVariable(&collision_endposnudge);
#endif
Cvar_RegisterVariable(&collision_debug_tracelineasbox);
+ Cvar_RegisterVariable(&collision_cache);
+ collision_mempool = Mem_AllocPool("collision cache", 0, NULL);
+ Collision_Cache_Init(collision_mempool);
}
}
}
+typedef struct collision_cachedtrace_s
+{
+ int next;
+ int sequence;
+ dp_model_t *model;
+// const frameblend_t *frameblend;
+// const skeleton_t *skeleton;
+ vec3_t bodymins;
+ vec3_t bodymaxs;
+ int bodysupercontents;
+ matrix4x4_t matrix;
+ matrix4x4_t inversematrix;
+ vec3_t start;
+ vec3_t mins;
+ vec3_t maxs;
+ vec3_t end;
+ int hitsupercontentsmask;
+ trace_t result;
+}
+collision_cachedtrace_t;
+
+static mempool_t *collision_cachedtrace_mempool;
+static collision_cachedtrace_t *collision_cachedtrace_array;
+static int collision_cachedtrace_firstfree;
+static int collision_cachedtrace_lastused;
+static int collision_cachedtrace_max;
+static int collision_cachedtrace_sequence;
+static int *collision_cachedtrace_hash;
+
+void Collision_Cache_Reset(qboolean resetlimits)
+{
+ if (collision_cachedtrace_hash)
+ Mem_Free(collision_cachedtrace_hash);
+ if (collision_cachedtrace_array)
+ Mem_Free(collision_cachedtrace_array);
+ if (resetlimits || !collision_cachedtrace_max)
+ collision_cachedtrace_max = 1024;
+ collision_cachedtrace_firstfree = 1;
+ collision_cachedtrace_lastused = 0;
+ collision_cachedtrace_array = (collision_cachedtrace_t *)Mem_Alloc(collision_cachedtrace_mempool, collision_cachedtrace_max * sizeof(collision_cachedtrace_t));
+ collision_cachedtrace_hash = (int *)Mem_Alloc(collision_cachedtrace_mempool, collision_cachedtrace_max * sizeof(int));
+ collision_cachedtrace_sequence = 1;
+}
+
+void Collision_Cache_Init(mempool_t *mempool)
+{
+ collision_cachedtrace_mempool = mempool;
+ Collision_Cache_Reset(true);
+}
+
+void Collision_Cache_NewFrame(void)
+{
+ int hashindex;
+ int index;
+ int *p;
+ // unlink all stale traces
+ for (hashindex = 0;hashindex < collision_cachedtrace_max;hashindex++)
+ {
+ if (!collision_cachedtrace_hash[hashindex])
+ continue;
+ p = &collision_cachedtrace_hash[hashindex];
+ while ((index = *p))
+ {
+ if (collision_cachedtrace_array[index].sequence != collision_cachedtrace_sequence)
+ {
+ if (collision_cachedtrace_firstfree > index)
+ collision_cachedtrace_firstfree = index;
+ *p = collision_cachedtrace_array[index].next;
+ collision_cachedtrace_array[index].sequence = 0;
+ //memset(&collision_cachedtrace_array[index], 0, sizeof(collision_cachedtrace_array[index]));
+ }
+ else
+ p = &collision_cachedtrace_array[index].next;
+ }
+ }
+ // shrink used range if possible
+ index = collision_cachedtrace_lastused;
+ while (index && collision_cachedtrace_array[index].sequence == 0)
+ index--;
+ collision_cachedtrace_lastused = index;
+ // increment sequence
+ collision_cachedtrace_sequence++;
+ // do not allow sequence to wrap to 0
+ if (collision_cachedtrace_sequence >= 1<<30)
+ collision_cachedtrace_sequence = 1;
+}
+
+static collision_cachedtrace_t *Collision_Cache_Lookup(dp_model_t *model, const frameblend_t *frameblend, const skeleton_t *skeleton, const vec3_t bodymins, const vec3_t bodymaxs, int bodysupercontents, const matrix4x4_t *matrix, const matrix4x4_t *inversematrix, const vec3_t start, const vec3_t mins, const vec3_t maxs, const vec3_t end, int hitsupercontentsmask)
+{
+ int hashindex = 0;
+ int index = 0;
+ collision_cachedtrace_t *cached = collision_cachedtrace_array + index;
+ // all non-cached traces use the same index
+ if ((frameblend && frameblend[0].lerp != 1) || (skeleton && skeleton->relativetransforms))
+ r_refdef.stats.collisioncache_animated++;
+ else if (!collision_cache.integer)
+ r_refdef.stats.collisioncache_traced++;
+ else
+ {
+ // cached trace lookup
+ hashindex = (int)(((size_t)model + (size_t) + (size_t)(VectorLength2(bodymins) + VectorLength2(bodymaxs) + start[0] + start[1] + start[2] + end[0] + end[1] + end[2]) + bodysupercontents + hitsupercontentsmask) % collision_cachedtrace_max);
+ for (index = collision_cachedtrace_hash[hashindex];index;index = cached->next)
+ {
+ cached = collision_cachedtrace_array + index;
+ if (cached->model == model
+ && VectorCompare(cached->bodymins, bodymins)
+ && VectorCompare(cached->bodymaxs, bodymaxs)
+ && cached->bodysupercontents == bodysupercontents
+ && VectorCompare(cached->start, start)
+ && VectorCompare(cached->mins, mins)
+ && VectorCompare(cached->maxs, maxs)
+ && VectorCompare(cached->end, end)
+ && cached->hitsupercontentsmask == hitsupercontentsmask
+ && !memcmp(&cached->matrix, matrix, sizeof(*matrix)))
+ {
+ r_refdef.stats.collisioncache_cached++;
+ return cached; // found a match
+ }
+ }
+ r_refdef.stats.collisioncache_traced++;
+ // find an unused cache entry
+ for (index = collision_cachedtrace_firstfree;index <= collision_cachedtrace_lastused;index++)
+ if (!collision_cachedtrace_array[index].sequence)
+ break;
+ collision_cachedtrace_firstfree = index;
+ if (index > collision_cachedtrace_lastused)
+ {
+ // see if we need to reset the cache for growth
+ if (collision_cachedtrace_max <= index)
+ {
+ collision_cachedtrace_max *= 2;
+ Collision_Cache_Reset(false);
+ collision_cachedtrace_firstfree = index = 1;
+ }
+ collision_cachedtrace_lastused = index;
+ }
+ // link the new cache entry into the hash bucket
+ cached = collision_cachedtrace_array + index;
+ cached->next = collision_cachedtrace_hash[hashindex];
+ collision_cachedtrace_hash[hashindex] = index;
+ cached->model = model;
+ VectorCopy(bodymins, cached->bodymins);
+ VectorCopy(bodymaxs, cached->bodymaxs);
+ cached->bodysupercontents = bodysupercontents;
+ VectorCopy(start, cached->start);
+ VectorCopy(mins, cached->mins);
+ VectorCopy(maxs, cached->maxs);
+ VectorCopy(end, cached->end);
+ cached->hitsupercontentsmask = hitsupercontentsmask;
+ cached->matrix = *matrix;
+ cached->inversematrix = *inversematrix;
+ }
+ cached->sequence = 0;
+ return cached;
+}
+
void Collision_ClipToGenericEntity(trace_t *trace, dp_model_t *model, const frameblend_t *frameblend, const skeleton_t *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)
{
float starttransformed[3], endtransformed[3];
+ collision_cachedtrace_t *cached = Collision_Cache_Lookup(model, frameblend, skeleton, bodymins, bodymaxs, bodysupercontents, matrix, inversematrix, start, mins, maxs, end, hitsupercontentsmask);
+ if (cached->sequence)
+ {
+ cached->sequence = collision_cachedtrace_sequence;
+ *trace = cached->result;
+ return;
+ }
memset(trace, 0, sizeof(*trace));
trace->fraction = trace->realfraction = 1;
// transform plane
// NOTE: this relies on plane.dist being directly after plane.normal
Matrix4x4_TransformPositivePlane(matrix, trace->plane.normal[0], trace->plane.normal[1], trace->plane.normal[2], trace->plane.dist, trace->plane.normal);
+
+ cached->sequence = collision_cachedtrace_sequence;
+ cached->result = *trace;
}
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)
{
+ collision_cachedtrace_t *cached = Collision_Cache_Lookup(model, NULL, NULL, vec3_origin, vec3_origin, 0, &identitymatrix, &identitymatrix, start, mins, maxs, end, hitsupercontents);
+ if (cached->sequence)
+ {
+ cached->sequence = collision_cachedtrace_sequence;
+ *trace = cached->result;
+ return;
+ }
+
memset(trace, 0, sizeof(*trace));
trace->fraction = trace->realfraction = 1;
// ->TraceBox: TraceBrush not needed here, as worldmodel is never rotated
trace->fraction = bound(0, trace->fraction, 1);
trace->realfraction = bound(0, trace->realfraction, 1);
VectorLerp(start, trace->fraction, end, trace->endpos);
+
+ cached->sequence = collision_cachedtrace_sequence;
+ cached->result = *trace;
}
-void Collision_ClipLineToGenericEntity(trace_t *trace, dp_model_t *model, const frameblend_t *frameblend, const skeleton_t *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_ClipLineToGenericEntity(trace_t *trace, dp_model_t *model, const frameblend_t *frameblend, const skeleton_t *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)
{
float starttransformed[3], endtransformed[3];
+ collision_cachedtrace_t *cached = Collision_Cache_Lookup(model, frameblend, skeleton, bodymins, bodymaxs, bodysupercontents, matrix, inversematrix, start, vec3_origin, vec3_origin, end, hitsupercontentsmask);
+ if (cached->sequence)
+ {
+ cached->sequence = collision_cachedtrace_sequence;
+ *trace = cached->result;
+ return;
+ }
memset(trace, 0, sizeof(*trace));
trace->fraction = trace->realfraction = 1;
Con_Printf("trans(%f %f %f -> %f %f %f, %f %f %f -> %f %f %f)", start[0], start[1], start[2], starttransformed[0], starttransformed[1], starttransformed[2], end[0], end[1], end[2], endtransformed[0], endtransformed[1], endtransformed[2]);
#endif
- if (model && model->TraceLine)
+ if (model && model->TraceLineAgainstSurfaces && hitsurfaces)
+ model->TraceLineAgainstSurfaces(model, frameblend, skeleton, trace, starttransformed, endtransformed, hitsupercontentsmask);
+ else if (model && model->TraceLine)
model->TraceLine(model, frameblend, skeleton, trace, starttransformed, endtransformed, hitsupercontentsmask);
else
Collision_ClipTrace_Box(trace, bodymins, bodymaxs, starttransformed, vec3_origin, vec3_origin, endtransformed, hitsupercontentsmask, bodysupercontents, 0, NULL);
// transform plane
// NOTE: this relies on plane.dist being directly after plane.normal
Matrix4x4_TransformPositivePlane(matrix, trace->plane.normal[0], trace->plane.normal[1], trace->plane.normal[2], trace->plane.dist, trace->plane.normal);
+
+ cached->sequence = collision_cachedtrace_sequence;
+ cached->result = *trace;
}
-void Collision_ClipLineToWorld(trace_t *trace, dp_model_t *model, const vec3_t start, 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)
{
+ collision_cachedtrace_t *cached = Collision_Cache_Lookup(model, NULL, NULL, vec3_origin, vec3_origin, 0, &identitymatrix, &identitymatrix, start, vec3_origin, vec3_origin, end, hitsupercontents);
+ if (cached->sequence)
+ {
+ cached->sequence = collision_cachedtrace_sequence;
+ *trace = cached->result;
+ return;
+ }
+
memset(trace, 0, sizeof(*trace));
trace->fraction = trace->realfraction = 1;
- if (model && model->TraceLine)
+ if (model && model->TraceLineAgainstSurfaces && hitsurfaces)
+ model->TraceLineAgainstSurfaces(model, NULL, NULL, trace, start, end, hitsupercontents);
+ else if (model && model->TraceLine)
model->TraceLine(model, NULL, NULL, trace, start, end, hitsupercontents);
trace->fraction = bound(0, trace->fraction, 1);
trace->realfraction = bound(0, trace->realfraction, 1);
VectorLerp(start, trace->fraction, end, trace->endpos);
+
+ cached->sequence = collision_cachedtrace_sequence;
+ cached->result = *trace;
}
void Collision_ClipPointToGenericEntity(trace_t *trace, dp_model_t *model, const frameblend_t *frameblend, const skeleton_t *skeleton, const vec3_t bodymins, const vec3_t bodymaxs, int bodysupercontents, matrix4x4_t *matrix, matrix4x4_t *inversematrix, const vec3_t start, int hitsupercontentsmask)
{
float starttransformed[3];
+ collision_cachedtrace_t *cached = Collision_Cache_Lookup(model, frameblend, skeleton, bodymins, bodymaxs, bodysupercontents, matrix, inversematrix, start, vec3_origin, vec3_origin, start, hitsupercontentsmask);
+ if (cached->sequence)
+ {
+ cached->sequence = collision_cachedtrace_sequence;
+ *trace = cached->result;
+ return;
+ }
memset(trace, 0, sizeof(*trace));
trace->fraction = trace->realfraction = 1;
// transform plane
// NOTE: this relies on plane.dist being directly after plane.normal
Matrix4x4_TransformPositivePlane(matrix, trace->plane.normal[0], trace->plane.normal[1], trace->plane.normal[2], trace->plane.dist, trace->plane.normal);
+
+ cached->sequence = collision_cachedtrace_sequence;
+ cached->result = *trace;
}
void Collision_ClipPointToWorld(trace_t *trace, dp_model_t *model, const vec3_t start, int hitsupercontents)
{
+ collision_cachedtrace_t *cached = Collision_Cache_Lookup(model, NULL, NULL, vec3_origin, vec3_origin, 0, &identitymatrix, &identitymatrix, start, vec3_origin, vec3_origin, start, hitsupercontents);
+ if (cached->sequence)
+ {
+ cached->sequence = collision_cachedtrace_sequence;
+ *trace = cached->result;
+ return;
+ }
+
memset(trace, 0, sizeof(*trace));
trace->fraction = trace->realfraction = 1;
if (model && model->TracePoint)
model->TracePoint(model, NULL, NULL, trace, start, hitsupercontents);
VectorCopy(start, trace->endpos);
+
+ cached->sequence = collision_cachedtrace_sequence;
+ cached->result = *trace;
}
void Collision_CombineTraces(trace_t *cliptrace, const trace_t *trace, void *touch, qboolean isbmodel)
projects / xonotic / darkplaces.git / blobdiff