X-Git-Url: https://de.git.xonotic.org/?a=blobdiff_plain;f=cl_collision.c;h=28f908e89096ecb02e810f86c9c2b600c8c6967d;hb=875c1aa1a2744ba68cc4afcedd299b7f7a320481;hp=1bc60f72a26ae88411683ccd7e507654d87179dd;hpb=5715fdeb47caa02252ab9b6c0895310e43bea716;p=xonotic%2Fdarkplaces.git

diff --git a/cl_collision.c b/cl_collision.c
index 1bc60f72..28f908e8 100644
--- a/cl_collision.c
+++ b/cl_collision.c
@@ -1,11 +1,12 @@
 
 #include "quakedef.h"
+#include "cl_collision.h"
 
 /*
 // not yet used
 typedef struct physentity_s
 {
-	// this may be a entity_t, or a edict_t, or whatever
+	// this may be a entity_t, or a prvm_edict_t, or whatever
 	void *realentity;
 
 	// can be NULL if it is a bbox object
@@ -28,57 +29,265 @@ typedef struct physentity_s
 physentity_t;
 */
 
-int cl_traceline_endcontents;
+trace_t CL_TraceBox(const vec3_t start, const vec3_t mins, const vec3_t maxs, const vec3_t end, int hitbmodels, int *hitent, int hitsupercontentsmask, qboolean hitplayers)
+{
+	int n;
+	entity_render_t *ent;
+	vec3_t tracemins, tracemaxs;
+	trace_t cliptrace, trace;
+	vec3_t origin;
+	vec3_t starttransformed, endtransformed;
+	vec3_t entmins, entmaxs;
+	vec_t *playermins, *playermaxs;
+
+	memset (&cliptrace, 0 , sizeof(trace_t));
+	cliptrace.fraction = 1;
+	cliptrace.realfraction = 1;
+
+	if (cl.worldmodel && cl.worldmodel->TraceBox)
+		cl.worldmodel->TraceBox(cl.worldmodel, 0, &cliptrace, start, mins, maxs, end, hitsupercontentsmask);
+
+	if (hitent)
+		*hitent = 0;
+
+	if (hitbmodels && cl.num_brushmodel_entities)
+	{
+		tracemins[0] = min(start[0], end[0]) + mins[0];
+		tracemaxs[0] = max(start[0], end[0]) + maxs[0];
+		tracemins[1] = min(start[1], end[1]) + mins[1];
+		tracemaxs[1] = max(start[1], end[1]) + maxs[1];
+		tracemins[2] = min(start[2], end[2]) + mins[2];
+		tracemaxs[2] = max(start[2], end[2]) + maxs[2];
+
+		// look for embedded bmodels
+		for (n = 0;n < cl.num_brushmodel_entities;n++)
+		{
+			ent = &cl.entities[cl.brushmodel_entities[n]].render;
+			if (!BoxesOverlap(tracemins, tracemaxs, ent->mins, ent->maxs))
+				continue;
+
+			Matrix4x4_Transform(&ent->inversematrix, start, starttransformed);
+			Matrix4x4_Transform(&ent->inversematrix, end, endtransformed);
+
+			memset (&trace, 0 , sizeof(trace_t));
+			trace.fraction = 1;
+			trace.realfraction = 1;
+
+			if (ent->model && ent->model->TraceBox)
+				ent->model->TraceBox(ent->model, 0, &trace, start, mins, maxs, endtransformed, hitsupercontentsmask);
+
+			// LordHavoc: take the 'best' answers from the new trace and combine with existing data
+			if (trace.allsolid)
+				cliptrace.allsolid = true;
+			if (trace.startsolid)
+			{
+				cliptrace.startsolid = true;
+				if (cliptrace.realfraction == 1)
+					if (hitent)
+						*hitent = cl.brushmodel_entities[n];
+			}
+			// don't set this except on the world, because it can easily confuse
+			// monsters underwater if there's a bmodel involved in the trace
+			// (inopen && inwater is how they check water visibility)
+			//if (trace.inopen)
+			//	cliptrace.inopen = true;
+			if (trace.inwater)
+				cliptrace.inwater = true;
+			if (trace.realfraction < cliptrace.realfraction)
+			{
+				cliptrace.fraction = trace.fraction;
+				cliptrace.realfraction = trace.realfraction;
+				cliptrace.plane = trace.plane;
+				if (hitent)
+					*hitent = cl.brushmodel_entities[n];
+				Matrix4x4_Transform3x3(&ent->matrix, trace.plane.normal, cliptrace.plane.normal);
+			}
+			cliptrace.startsupercontents |= trace.startsupercontents;
+		}
+	}
+	if (hitplayers)
+	{
+		tracemins[0] = min(start[0], end[0]) + mins[0];
+		tracemaxs[0] = max(start[0], end[0]) + maxs[0];
+		tracemins[1] = min(start[1], end[1]) + mins[1];
+		tracemaxs[1] = max(start[1], end[1]) + maxs[1];
+		tracemins[2] = min(start[2], end[2]) + mins[2];
+		tracemaxs[2] = max(start[2], end[2]) + maxs[2];
+
+		for (n = 1;n < cl.maxclients+1;n++)
+		{
+			if (n != cl.playerentity)
+			{
+				ent = &cl.entities[n].render;
+				// FIXME: crouch
+				playermins = cl.playerstandmins;
+				playermaxs = cl.playerstandmaxs;
+				Matrix4x4_OriginFromMatrix(&ent->matrix, origin);
+				VectorAdd(origin, playermins, entmins);
+				VectorAdd(origin, playermaxs, entmaxs);
+				if (!BoxesOverlap(tracemins, tracemaxs, entmins, entmaxs))
+					continue;
+
+				memset (&trace, 0 , sizeof(trace_t));
+				trace.fraction = 1;
+				trace.realfraction = 1;
+
+				Matrix4x4_Transform(&ent->inversematrix, start, starttransformed);
+				Matrix4x4_Transform(&ent->inversematrix, end, endtransformed);
+				Collision_ClipTrace_Box(&trace, playermins, playermaxs, starttransformed, mins, maxs, endtransformed, hitsupercontentsmask, SUPERCONTENTS_SOLID);
 
-float CL_TraceLine (const vec3_t start, const vec3_t end, vec3_t impact, vec3_t normal, int contents, int hitbmodels)
+				// LordHavoc: take the 'best' answers from the new trace and combine with existing data
+				if (trace.allsolid)
+					cliptrace.allsolid = true;
+				if (trace.startsolid)
+				{
+					cliptrace.startsolid = true;
+					if (cliptrace.realfraction == 1)
+						if (hitent)
+							*hitent = n;
+				}
+				// don't set this except on the world, because it can easily confuse
+				// monsters underwater if there's a bmodel involved in the trace
+				// (inopen && inwater is how they check water visibility)
+				//if (trace.inopen)
+				//	cliptrace.inopen = true;
+				if (trace.inwater)
+					cliptrace.inwater = true;
+				if (trace.realfraction < cliptrace.realfraction)
+				{
+					cliptrace.fraction = trace.fraction;
+					cliptrace.realfraction = trace.realfraction;
+					cliptrace.plane = trace.plane;
+					if (hitent)
+						*hitent = n;
+					Matrix4x4_Transform3x3(&ent->matrix, trace.plane.normal, cliptrace.plane.normal);
+				}
+				cliptrace.startsupercontents |= trace.startsupercontents;
+			}
+		}
+	}
+	cliptrace.fraction = bound(0, cliptrace.fraction, 1);
+	cliptrace.realfraction = bound(0, cliptrace.realfraction, 1);
+	VectorLerp(start, cliptrace.fraction, end, cliptrace.endpos);
+	return cliptrace;
+}
+
+float CL_SelectTraceLine(const vec3_t start, const vec3_t end, vec3_t impact, vec3_t normal, int *hitent, entity_render_t *ignoreent, qboolean csqcents)
 {
-	double maxfrac;
+	float maxfrac, maxrealfrac;
+	int n, entsnum;
+	entity_t *entlist;
+	unsigned char *entactivelist;
+	entity_render_t *ent;
+	float tracemins[3], tracemaxs[3];
 	trace_t trace;
+	float tempnormal[3], starttransformed[3], endtransformed[3];
 
-	Mod_CheckLoaded(cl.worldmodel);
-	Collision_ClipTrace(&trace, NULL, cl.worldmodel, vec3_origin, vec3_origin, vec3_origin, vec3_origin, start, vec3_origin, vec3_origin, end);
+	memset (&trace, 0 , sizeof(trace_t));
+	trace.fraction = 1;
+	trace.realfraction = 1;
+	VectorCopy (end, trace.endpos);
+
+	if (hitent)
+		*hitent = 0;
+	if (cl.worldmodel && cl.worldmodel->TraceBox)
+		cl.worldmodel->TraceBox(cl.worldmodel, 0, &trace, start, start, end, end, SUPERCONTENTS_SOLID);
 
-	if (impact)
-		VectorCopy (trace.endpos, impact);
 	if (normal)
-		VectorCopy (trace.plane.normal, normal);
-	cl_traceline_endcontents = trace.endcontents;
+		VectorCopy(trace.plane.normal, normal);
 	maxfrac = trace.fraction;
+	maxrealfrac = trace.realfraction;
 
-	if (hitbmodels && cl_num_brushmodel_entities)
+	tracemins[0] = min(start[0], end[0]);
+	tracemaxs[0] = max(start[0], end[0]);
+	tracemins[1] = min(start[1], end[1]);
+	tracemaxs[1] = max(start[1], end[1]);
+	tracemins[2] = min(start[2], end[2]);
+	tracemaxs[2] = max(start[2], end[2]);
+
+	if(csqcents)
+	{
+		entlist = cl.csqcentities;
+		entactivelist = cl.csqcentities_active;
+		entsnum = cl.num_csqcentities;
+	}
+	else
 	{
-		int n;
-		entity_render_t *ent;
-		double tracemins[3], tracemaxs[3];
-		tracemins[0] = min(start[0], end[0]);
-		tracemaxs[0] = max(start[0], end[0]);
-		tracemins[1] = min(start[1], end[1]);
-		tracemaxs[1] = max(start[1], end[1]);
-		tracemins[2] = min(start[2], end[2]);
-		tracemaxs[2] = max(start[2], end[2]);
+		entlist = cl.entities;
+		entactivelist = cl.entities_active;
+		entsnum = cl.num_entities;
+	}
 
-		// look for embedded bmodels
-		for (n = 0;n < cl_num_brushmodel_entities;n++)
-		{
-			ent = cl_brushmodel_entities[n];
-			if (ent->mins[0] > tracemaxs[0] || ent->maxs[0] < tracemins[0]
-			 || ent->mins[1] > tracemaxs[1] || ent->maxs[1] < tracemins[1]
-			 || ent->mins[2] > tracemaxs[2] || ent->maxs[2] < tracemins[2])
-			 	continue;
+	// look for embedded bmodels
+	for (n = 0;n < entsnum;n++)
+	{
+		if (!entactivelist[n])
+			continue;
+		ent = &entlist[n].render;
+		if (!BoxesOverlap(ent->mins, ent->maxs, tracemins, tracemaxs))
+			continue;
+		if (!ent->model || !ent->model->TraceBox)
+			continue;
+		if ((ent->flags & RENDER_EXTERIORMODEL) && !chase_active.integer)
+			continue;
+		// if transparent and not selectable, skip entity
+		if (!(entlist[n].state_current.effects & EF_SELECTABLE) && (ent->alpha < 1 || (ent->effects & (EF_ADDITIVE | EF_NODEPTHTEST))))
+			continue;
+		if (ent == ignoreent)
+			continue;
+		Matrix4x4_Transform(&ent->inversematrix, start, starttransformed);
+		Matrix4x4_Transform(&ent->inversematrix, end, endtransformed);
 
-			Collision_ClipTrace(&trace, ent, ent->model, ent->origin, ent->angles, ent->mins, ent->maxs, start, vec3_origin, vec3_origin, end);
+		if (ent->model && ent->model->TraceBox)
+			ent->model->TraceBox(ent->model, ent->frameblend[0].frame, &trace, starttransformed, starttransformed, endtransformed, endtransformed, SUPERCONTENTS_SOLID);
 
-			if (trace.allsolid || trace.startsolid || trace.fraction < maxfrac)
+		if (maxrealfrac > trace.realfraction)
+		{
+			if (hitent)
+				*hitent = n;
+			maxfrac = trace.fraction;
+			maxrealfrac = trace.realfraction;
+			if (normal)
 			{
-				maxfrac = trace.fraction;
-				if (impact)
-					VectorCopy(trace.endpos, impact);
-				if (normal)
-					VectorCopy(trace.plane.normal, normal);
-				cl_traceline_endcontents = trace.endcontents;
+				VectorCopy(trace.plane.normal, tempnormal);
+				Matrix4x4_Transform3x3(&ent->matrix, tempnormal, normal);
 			}
 		}
 	}
+	maxfrac = bound(0, maxfrac, 1);
+	maxrealfrac = bound(0, maxrealfrac, 1);
+	//if (maxfrac < 0 || maxfrac > 1) Con_Printf("fraction out of bounds %f %s:%d\n", maxfrac, __FILE__, __LINE__);
+	if (impact)
+		VectorLerp(start, maxfrac, end, impact);
 	return maxfrac;
 }
 
+void CL_FindNonSolidLocation(const vec3_t in, vec3_t out, vec_t radius)
+{
+	// FIXME: check multiple brush models
+	if (cl.worldmodel && cl.worldmodel->brush.FindNonSolidLocation)
+		cl.worldmodel->brush.FindNonSolidLocation(cl.worldmodel, in, out, radius);
+}
+
+int CL_PointQ1Contents(const vec3_t p)
+{
+	return Mod_Q1BSP_NativeContentsFromSuperContents(NULL, CL_TraceBox(p, vec3_origin, vec3_origin, p, true, NULL, 0, false).startsupercontents);
+	/*
+	// FIXME: check multiple brush models
+	if (cl.worldmodel && cl.worldmodel->brush.PointContentsQ1)
+		return cl.worldmodel->brush.PointContentsQ1(cl.worldmodel, p);
+	return 0;
+	*/
+}
+
+int CL_PointSuperContents(const vec3_t p)
+{
+	return CL_TraceBox(p, vec3_origin, vec3_origin, p, true, NULL, 0, false).startsupercontents;
+	/*
+	// FIXME: check multiple brush models
+	if (cl.worldmodel && cl.worldmodel->brush.PointContentsQ1)
+		return cl.worldmodel->brush.PointContentsQ1(cl.worldmodel, p);
+	return 0;
+	*/
+}
+