X-Git-Url: http://de.git.xonotic.org/?a=blobdiff_plain;f=cl_collision.c;h=45acfefa13cc5a42fb1d415d80e0cf99a855e596;hb=8c35a5ae89cb34e53d2e39a6cb56aef9cd997269;hp=0af6d38bd7b52de1ac8ac9a990994d5702250e83;hpb=7653d161643a1e8ed9640d445a5a13d9248d4939;p=xonotic%2Fdarkplaces.git

diff --git a/cl_collision.c b/cl_collision.c
index 0af6d38b..45acfefa 100644
--- a/cl_collision.c
+++ b/cl_collision.c
@@ -1,90 +1,407 @@
 
 #include "quakedef.h"
+#include "cl_collision.h"
 
-/*
-// not yet used
-typedef struct physentity_s
+float CL_SelectTraceLine(const vec3_t start, const vec3_t end, vec3_t impact, vec3_t normal, int *hitent, entity_render_t *ignoreent)
 {
-	// this may be a entity_t, or a edict_t, or whatever
-	void *realentity;
+	float maxfrac, maxrealfrac;
+	int n;
+	entity_render_t *ent;
+	float tracemins[3], tracemaxs[3];
+	trace_t trace;
+	float tempnormal[3], starttransformed[3], endtransformed[3];
 
-	// can be NULL if it is a bbox object
-	model_t *bmodel;
+	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, vec3_origin, vec3_origin, end, SUPERCONTENTS_SOLID);
+
+	if (normal)
+		VectorCopy(trace.plane.normal, normal);
+	maxfrac = trace.fraction;
+	maxrealfrac = trace.realfraction;
 
-	// node this entity crosses
-	// for avoiding unnecessary collisions
-	physnode_t *node;
+	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]);
 
-	// matrix for converting from model to world coordinates
-	double modeltoworldmatrix[3][4];
+	// look for embedded bmodels
+	for (n = 0;n < cl.num_entities;n++)
+	{
+		if (!cl.entities_active[n])
+			continue;
+		ent = &cl.entities[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 (!(cl.entities[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_Box(&trace, ent->model->normalmins, ent->model->normalmaxs, starttransformed, vec3_origin, vec3_origin, endtransformed, SUPERCONTENTS_SOLID, SUPERCONTENTS_SOLID, 0, NULL);
+		if (maxrealfrac < trace.realfraction)
+			continue;
 
-	// matrix for converting from world to model coordinates
-	double worldtomodelmatrix[3][4];
+		//if (ent->model && ent->model->TraceBox)
+			ent->model->TraceBox(ent->model, ent->frameblend[0].frame, &trace, starttransformed, vec3_origin, vec3_origin, endtransformed, SUPERCONTENTS_SOLID);
 
-	// if this is a bmodel, this is used for culling it quickly
-	// if this is not a bmodel, this is used for actual collisions
-	double mins[3], maxs[3];
+		if (maxrealfrac > trace.realfraction)
+		{
+			if (hitent)
+				*hitent = n;
+			maxfrac = trace.fraction;
+			maxrealfrac = trace.realfraction;
+			if (normal)
+			{
+				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;
 }
-physentity_t;
-*/
 
-int cl_traceline_endcontents;
+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);
+}
 
-float CL_TraceLine (const vec3_t start, const vec3_t end, vec3_t impact, vec3_t normal, int contents, int hitbmodels, entity_render_t **hitent)
+model_t *CL_GetModelByIndex(int modelindex)
 {
-	double maxfrac;
-	trace_t trace;
+	if(!modelindex)
+		return NULL;
+	if (modelindex < 0)
+	{
+		modelindex = -(modelindex+1);
+		if (modelindex < MAX_MODELS)
+			return cl.csqc_model_precache[modelindex];
+	}
+	else
+	{
+		if(modelindex < MAX_MODELS)
+			return cl.model_precache[modelindex];
+	}
+	return NULL;
+}
 
-	if (hitent)
-		*hitent = NULL;
-	Mod_CheckLoaded(cl.worldmodel);
-	Collision_ClipTrace(&trace, NULL, cl.worldmodel, vec3_origin, vec3_origin, vec3_origin, vec3_origin, start, vec3_origin, vec3_origin, end);
+model_t *CL_GetModelFromEdict(prvm_edict_t *ed)
+{
+	if (!ed || ed->priv.server->free)
+		return NULL;
+	return CL_GetModelByIndex((int)ed->fields.client->modelindex);
+}
 
-	if (impact)
-		VectorCopy (trace.endpos, impact);
-	if (normal)
-		VectorCopy (trace.plane.normal, normal);
-	cl_traceline_endcontents = trace.endcontents;
-	maxfrac = trace.fraction;
-	if (hitent && trace.fraction < 1)
-		*hitent = &cl_entities[0].render;
+void CL_LinkEdict(prvm_edict_t *ent)
+{
+	vec3_t mins, maxs;
+
+	if (ent == prog->edicts)
+		return;		// don't add the world
+
+	if (ent->priv.server->free)
+		return;
+
+	// set the abs box
 
-	if (hitbmodels && cl_num_brushmodel_entities)
+	if (ent->fields.client->solid == SOLID_BSP)
 	{
-		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]);
-
-		// look for embedded bmodels
-		for (n = 0;n < cl_num_brushmodel_entities;n++)
+		model_t *model = CL_GetModelByIndex( (int)ent->fields.client->modelindex );
+		if (model == NULL)
 		{
-			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;
+			Con_Printf("edict %i: SOLID_BSP with invalid modelindex!\n", PRVM_NUM_FOR_EDICT(ent));
 
-			Collision_ClipTrace(&trace, ent, ent->model, ent->origin, ent->angles, ent->mins, ent->maxs, start, vec3_origin, vec3_origin, end);
+			model = CL_GetModelByIndex( 0 );
+		}
+
+		if( model != NULL )
+		{
+			if (!model->TraceBox && developer.integer >= 1)
+				Con_Printf("edict %i: SOLID_BSP with non-collidable model\n", PRVM_NUM_FOR_EDICT(ent));
 
-			if (trace.allsolid || trace.startsolid || trace.fraction < maxfrac)
+			if (ent->fields.client->angles[0] || ent->fields.client->angles[2] || ent->fields.client->avelocity[0] || ent->fields.client->avelocity[2])
+			{
+				VectorAdd(ent->fields.client->origin, model->rotatedmins, mins);
+				VectorAdd(ent->fields.client->origin, model->rotatedmaxs, maxs);
+			}
+			else if (ent->fields.client->angles[1] || ent->fields.client->avelocity[1])
+			{
+				VectorAdd(ent->fields.client->origin, model->yawmins, mins);
+				VectorAdd(ent->fields.client->origin, model->yawmaxs, maxs);
+			}
+			else
 			{
-				maxfrac = trace.fraction;
-				if (impact)
-					VectorCopy(trace.endpos, impact);
-				if (normal)
-					VectorCopy(trace.plane.normal, normal);
-				cl_traceline_endcontents = trace.endcontents;
-				if (hitent)
-					*hitent = ent;
+				VectorAdd(ent->fields.client->origin, model->normalmins, mins);
+				VectorAdd(ent->fields.client->origin, model->normalmaxs, maxs);
 			}
 		}
+		else
+		{
+			// SOLID_BSP with no model is valid, mainly because some QC setup code does so temporarily
+			VectorAdd(ent->fields.client->origin, ent->fields.client->mins, mins);
+			VectorAdd(ent->fields.client->origin, ent->fields.client->maxs, maxs);
+		}
 	}
-	return maxfrac;
+	else
+	{
+		VectorAdd(ent->fields.client->origin, ent->fields.client->mins, mins);
+		VectorAdd(ent->fields.client->origin, ent->fields.client->maxs, maxs);
+	}
+
+	VectorCopy(mins, ent->fields.client->absmin);
+	VectorCopy(maxs, ent->fields.client->absmax);
+
+	World_LinkEdict(&cl.world, ent, ent->fields.client->absmin, ent->fields.client->absmax);
 }
 
+int CL_GenericHitSuperContentsMask(const prvm_edict_t *passedict)
+{
+	prvm_eval_t *val;
+	if (passedict)
+	{
+		val = PRVM_EDICTFIELDVALUE(passedict, prog->fieldoffsets.dphitcontentsmask);
+		if (val && val->_float)
+			return (int)val->_float;
+		else if (passedict->fields.client->solid == SOLID_SLIDEBOX)
+		{
+			if ((int)passedict->fields.client->flags & FL_MONSTER)
+				return SUPERCONTENTS_SOLID | SUPERCONTENTS_BODY | SUPERCONTENTS_MONSTERCLIP;
+			else
+				return SUPERCONTENTS_SOLID | SUPERCONTENTS_BODY | SUPERCONTENTS_PLAYERCLIP;
+		}
+		else if (passedict->fields.client->solid == SOLID_CORPSE)
+			return SUPERCONTENTS_SOLID | SUPERCONTENTS_BODY;
+		else if (passedict->fields.client->solid == SOLID_TRIGGER)
+			return SUPERCONTENTS_SOLID | SUPERCONTENTS_BODY;
+		else
+			return SUPERCONTENTS_SOLID | SUPERCONTENTS_BODY | SUPERCONTENTS_CORPSE;
+	}
+	else
+		return SUPERCONTENTS_SOLID | SUPERCONTENTS_BODY | SUPERCONTENTS_CORPSE;
+}
+
+/*
+==================
+CL_Move
+==================
+*/
+trace_t CL_Move(const vec3_t start, const vec3_t mins, const vec3_t maxs, const vec3_t end, int type, prvm_edict_t *passedict, int hitsupercontentsmask, qboolean hitnetworkbrushmodels, qboolean hitnetworkplayers, int *hitnetworkentity, qboolean hitcsqcentities)
+{
+	vec3_t hullmins, hullmaxs;
+	int i, bodysupercontents;
+	int passedictprog;
+	qboolean pointtrace;
+	prvm_edict_t *traceowner, *touch;
+	trace_t trace;
+	// bounding box of entire move area
+	vec3_t clipboxmins, clipboxmaxs;
+	// size of the moving object
+	vec3_t clipmins, clipmaxs;
+	// size when clipping against monsters
+	vec3_t clipmins2, clipmaxs2;
+	// start and end origin of move
+	vec3_t clipstart, clipend;
+	// trace results
+	trace_t cliptrace;
+	// matrices to transform into/out of other entity's space
+	matrix4x4_t matrix, imatrix;
+	// model of other entity
+	model_t *model;
+	// list of entities to test for collisions
+	int numtouchedicts;
+	prvm_edict_t *touchedicts[MAX_EDICTS];
+
+	if (hitnetworkentity)
+		*hitnetworkentity = 0;
+
+	VectorCopy(start, clipstart);
+	VectorCopy(end, clipend);
+	VectorCopy(mins, clipmins);
+	VectorCopy(maxs, clipmaxs);
+	VectorCopy(mins, clipmins2);
+	VectorCopy(maxs, clipmaxs2);
+#if COLLISIONPARANOID >= 3
+	Con_Printf("move(%f %f %f,%f %f %f)", clipstart[0], clipstart[1], clipstart[2], clipend[0], clipend[1], clipend[2]);
+#endif
+
+	// clip to world
+	Collision_ClipToWorld(&cliptrace, cl.worldmodel, clipstart, clipmins, clipmaxs, clipend, hitsupercontentsmask);
+	cliptrace.bmodelstartsolid = cliptrace.startsolid;
+	if (cliptrace.startsolid || cliptrace.fraction < 1)
+		cliptrace.ent = prog ? prog->edicts : NULL;
+	if (type == MOVE_WORLDONLY)
+		return cliptrace;
+
+	if (type == MOVE_MISSILE)
+	{
+		// LordHavoc: modified this, was = -15, now -= 15
+		for (i = 0;i < 3;i++)
+		{
+			clipmins2[i] -= 15;
+			clipmaxs2[i] += 15;
+		}
+	}
+
+	// get adjusted box for bmodel collisions if the world is q1bsp or hlbsp
+	if (cl.worldmodel && cl.worldmodel->brush.RoundUpToHullSize)
+		cl.worldmodel->brush.RoundUpToHullSize(cl.worldmodel, clipmins, clipmaxs, hullmins, hullmaxs);
+	else
+	{
+		VectorCopy(clipmins, hullmins);
+		VectorCopy(clipmaxs, hullmaxs);
+	}
+
+	// create the bounding box of the entire move
+	for (i = 0;i < 3;i++)
+	{
+		clipboxmins[i] = min(clipstart[i], cliptrace.endpos[i]) + min(hullmins[i], clipmins2[i]) - 1;
+		clipboxmaxs[i] = max(clipstart[i], cliptrace.endpos[i]) + max(hullmaxs[i], clipmaxs2[i]) + 1;
+	}
+
+	// debug override to test against everything
+	if (sv_debugmove.integer)
+	{
+		clipboxmins[0] = clipboxmins[1] = clipboxmins[2] = -999999999;
+		clipboxmaxs[0] = clipboxmaxs[1] = clipboxmaxs[2] =  999999999;
+	}
+
+	// if the passedict is world, make it NULL (to avoid two checks each time)
+	// this checks prog because this function is often called without a CSQC
+	// VM context
+	if (prog == NULL || passedict == prog->edicts)
+		passedict = NULL;
+	// precalculate prog value for passedict for comparisons
+	passedictprog = prog != NULL ? PRVM_EDICT_TO_PROG(passedict) : 0;
+	// figure out whether this is a point trace for comparisons
+	pointtrace = VectorCompare(clipmins, clipmaxs);
+	// precalculate passedict's owner edict pointer for comparisons
+	traceowner = passedict ? PRVM_PROG_TO_EDICT(passedict->fields.client->owner) : 0;
+
+	// collide against network entities
+	if (hitnetworkbrushmodels)
+	{
+		for (i = 0;i < cl.num_brushmodel_entities;i++)
+		{
+			entity_render_t *ent = &cl.entities[cl.brushmodel_entities[i]].render;
+			if (!BoxesOverlap(clipboxmins, clipboxmaxs, ent->mins, ent->maxs))
+				continue;
+			Collision_ClipToGenericEntity(&trace, ent->model, ent->frame2, vec3_origin, vec3_origin, 0, &ent->matrix, &ent->inversematrix, start, mins, maxs, end, hitsupercontentsmask);
+			if (cliptrace.realfraction > trace.realfraction && hitnetworkentity)
+				*hitnetworkentity = cl.brushmodel_entities[i];
+			Collision_CombineTraces(&cliptrace, &trace, NULL, true);
+		}
+	}
+
+	// collide against player entities
+	if (hitnetworkplayers)
+	{
+		vec3_t origin, entmins, entmaxs;
+		matrix4x4_t entmatrix, entinversematrix;
+		for (i = 1;i < cl.maxclients+1;i++)
+		{
+			entity_render_t *ent = &cl.entities[i].render;
+			// don't hit ourselves
+			if (i == cl.playerentity)
+				continue;
+			Matrix4x4_OriginFromMatrix(&ent->matrix, origin);
+			VectorAdd(origin, cl.playerstandmins, entmins);
+			VectorAdd(origin, cl.playerstandmaxs, entmaxs);
+			if (!BoxesOverlap(clipboxmins, clipboxmaxs, entmins, entmaxs))
+				continue;
+			Matrix4x4_CreateTranslate(&entmatrix, origin[0], origin[1], origin[2]);
+			Matrix4x4_CreateTranslate(&entinversematrix, -origin[0], -origin[1], -origin[2]);
+			Collision_ClipToGenericEntity(&trace, NULL, 0, cl.playerstandmins, cl.playerstandmaxs, SUPERCONTENTS_BODY, &entmatrix, &entinversematrix, start, mins, maxs, end, hitsupercontentsmask);
+			if (cliptrace.realfraction > trace.realfraction && hitnetworkentity)
+				*hitnetworkentity = i;
+			Collision_CombineTraces(&cliptrace, &trace, NULL, false);
+		}
+	}
+
+	// clip to entities
+	// because this uses World_EntitiestoBox, we know all entity boxes overlap
+	// the clip region, so we can skip culling checks in the loop below
+	// note: if prog is NULL then there won't be any linked entities
+	numtouchedicts = 0;
+	if (hitcsqcentities && prog != NULL)
+	{
+		numtouchedicts = World_EntitiesInBox(&cl.world, clipboxmins, clipboxmaxs, MAX_EDICTS, touchedicts);
+		if (numtouchedicts > MAX_EDICTS)
+		{
+			// this never happens
+			Con_Printf("CL_EntitiesInBox returned %i edicts, max was %i\n", numtouchedicts, MAX_EDICTS);
+			numtouchedicts = MAX_EDICTS;
+		}
+	}
+	for (i = 0;i < numtouchedicts;i++)
+	{
+		touch = touchedicts[i];
+
+		if (touch->fields.client->solid < SOLID_BBOX)
+			continue;
+		if (type == MOVE_NOMONSTERS && touch->fields.client->solid != SOLID_BSP)
+			continue;
+
+		if (passedict)
+		{
+			// don't clip against self
+			if (passedict == touch)
+				continue;
+			// don't clip owned entities against owner
+			if (traceowner == touch)
+				continue;
+			// don't clip owner against owned entities
+			if (passedictprog == touch->fields.client->owner)
+				continue;
+			// don't clip points against points (they can't collide)
+			if (pointtrace && VectorCompare(touch->fields.client->mins, touch->fields.client->maxs) && (type != MOVE_MISSILE || !((int)touch->fields.client->flags & FL_MONSTER)))
+				continue;
+		}
+
+		bodysupercontents = touch->fields.client->solid == SOLID_CORPSE ? SUPERCONTENTS_CORPSE : SUPERCONTENTS_BODY;
+
+		// might interact, so do an exact clip
+		model = NULL;
+		if ((int) touch->fields.client->solid == SOLID_BSP || type == MOVE_HITMODEL)
+		{
+			unsigned int modelindex = (unsigned int)touch->fields.client->modelindex;
+			// if the modelindex is 0, it shouldn't be SOLID_BSP!
+			if (modelindex > 0 && modelindex < MAX_MODELS)
+				model = cl.model_precache[(int)touch->fields.client->modelindex];
+		}
+		if (model)
+			Matrix4x4_CreateFromQuakeEntity(&matrix, touch->fields.client->origin[0], touch->fields.client->origin[1], touch->fields.client->origin[2], touch->fields.client->angles[0], touch->fields.client->angles[1], touch->fields.client->angles[2], 1);
+		else
+			Matrix4x4_CreateTranslate(&matrix, touch->fields.client->origin[0], touch->fields.client->origin[1], touch->fields.client->origin[2]);
+		Matrix4x4_Invert_Simple(&imatrix, &matrix);
+		if ((int)touch->fields.client->flags & FL_MONSTER)
+			Collision_ClipToGenericEntity(&trace, model, touch->fields.client->frame, touch->fields.client->mins, touch->fields.client->maxs, bodysupercontents, &matrix, &imatrix, clipstart, clipmins2, clipmaxs2, clipend, hitsupercontentsmask);
+		else
+			Collision_ClipToGenericEntity(&trace, model, touch->fields.client->frame, touch->fields.client->mins, touch->fields.client->maxs, bodysupercontents, &matrix, &imatrix, clipstart, clipmins, clipmaxs, clipend, hitsupercontentsmask);
+
+		if (cliptrace.realfraction > trace.realfraction && hitnetworkentity)
+			*hitnetworkentity = 0;
+		Collision_CombineTraces(&cliptrace, &trace, (void *)touch, touch->fields.client->solid == SOLID_BSP);
+	}
+
+	return cliptrace;
+}