+ if (portal->nodes[0] == node)
+ {
+ *portalpointer = portal->next[0];
+ portal->nodes[0] = NULL;
+ }
+ else if (portal->nodes[1] == node)
+ {
+ *portalpointer = portal->next[1];
+ portal->nodes[1] = NULL;
+ }
+ else
+ Host_Error("RemovePortalFromNodes: portal not bounding leaf");
+ break;
+ }
+
+ if (t->nodes[0] == node)
+ portalpointer = (void **) &t->next[0];
+ else if (t->nodes[1] == node)
+ portalpointer = (void **) &t->next[1];
+ else
+ Host_Error("RemovePortalFromNodes: portal not bounding leaf");
+ }
+ }
+}
+
+static void Mod_Q1BSP_RecursiveNodePortals(mnode_t *node)
+{
+ int side;
+ mnode_t *front, *back, *other_node;
+ mplane_t clipplane, *plane;
+ portal_t *portal, *nextportal, *nodeportal, *splitportal, *temp;
+ winding_t *nodeportalwinding, *frontwinding, *backwinding;
+
+ // if a leaf, we're done
+ if (node->contents)
+ return;
+
+ plane = node->plane;
+
+ front = node->children[0];
+ back = node->children[1];
+ if (front == back)
+ Host_Error("Mod_Q1BSP_RecursiveNodePortals: corrupt node hierarchy");
+
+ // create the new portal by generating a polygon for the node plane,
+ // and clipping it by all of the other portals(which came from nodes above this one)
+ nodeportal = AllocPortal();
+ nodeportal->plane = *plane;
+
+ nodeportalwinding = Winding_NewFromPlane(nodeportal->plane.normal[0], nodeportal->plane.normal[1], nodeportal->plane.normal[2], nodeportal->plane.dist);
+ side = 0; // shut up compiler warning
+ for (portal = (portal_t *)node->portals;portal;portal = portal->next[side])
+ {
+ clipplane = portal->plane;
+ if (portal->nodes[0] == portal->nodes[1])
+ Host_Error("Mod_Q1BSP_RecursiveNodePortals: portal has same node on both sides(1)");
+ if (portal->nodes[0] == node)
+ side = 0;
+ else if (portal->nodes[1] == node)
+ {
+ clipplane.dist = -clipplane.dist;
+ VectorNegate(clipplane.normal, clipplane.normal);
+ side = 1;
+ }
+ else
+ Host_Error("Mod_Q1BSP_RecursiveNodePortals: mislinked portal");
+
+ nodeportalwinding = Winding_Clip(nodeportalwinding, clipplane.normal[0], clipplane.normal[1], clipplane.normal[2], clipplane.dist, true);
+ if (!nodeportalwinding)
+ {
+ Con_Printf("Mod_Q1BSP_RecursiveNodePortals: WARNING: new portal was clipped away\n");
+ break;
+ }
+ }
+
+ if (nodeportalwinding)
+ {
+ // if the plane was not clipped on all sides, there was an error
+ nodeportal->winding = nodeportalwinding;
+ AddPortalToNodes(nodeportal, front, back);
+ }
+
+ // split the portals of this node along this node's plane and assign them to the children of this node
+ // (migrating the portals downward through the tree)
+ for (portal = (portal_t *)node->portals;portal;portal = nextportal)
+ {
+ if (portal->nodes[0] == portal->nodes[1])
+ Host_Error("Mod_Q1BSP_RecursiveNodePortals: portal has same node on both sides(2)");
+ if (portal->nodes[0] == node)
+ side = 0;
+ else if (portal->nodes[1] == node)
+ side = 1;
+ else
+ Host_Error("Mod_Q1BSP_RecursiveNodePortals: mislinked portal");
+ nextportal = portal->next[side];
+
+ other_node = portal->nodes[!side];
+ RemovePortalFromNodes(portal);
+
+ // cut the portal into two portals, one on each side of the node plane
+ Winding_Divide(portal->winding, plane->normal[0], plane->normal[1], plane->normal[2], plane->dist, &frontwinding, &backwinding);
+
+ if (!frontwinding)
+ {
+ if (side == 0)
+ AddPortalToNodes(portal, back, other_node);
+ else
+ AddPortalToNodes(portal, other_node, back);
+ continue;
+ }
+ if (!backwinding)
+ {
+ if (side == 0)
+ AddPortalToNodes(portal, front, other_node);
+ else
+ AddPortalToNodes(portal, other_node, front);
+ continue;
+ }
+
+ // the winding is split
+ splitportal = AllocPortal();
+ temp = splitportal->chain;
+ *splitportal = *portal;
+ splitportal->chain = temp;
+ splitportal->winding = backwinding;
+ Winding_Free(portal->winding);
+ portal->winding = frontwinding;
+
+ if (side == 0)
+ {
+ AddPortalToNodes(portal, front, other_node);
+ AddPortalToNodes(splitportal, back, other_node);
+ }
+ else
+ {
+ AddPortalToNodes(portal, other_node, front);
+ AddPortalToNodes(splitportal, other_node, back);
+ }
+ }
+
+ Mod_Q1BSP_RecursiveNodePortals(front);
+ Mod_Q1BSP_RecursiveNodePortals(back);
+}
+
+static void Mod_Q1BSP_MakePortals(void)
+{
+ portalchain = NULL;
+ Mod_Q1BSP_RecursiveNodePortals(loadmodel->brushq1.nodes);
+ Mod_Q1BSP_FinalizePortals();
+}
+
+static void Mod_Q1BSP_BuildSurfaceNeighbors(msurface_t *surfaces, int numsurfaces, mempool_t *mempool)
+{
+#if 0
+ int surfnum, vertnum, vertnum2, snum, vnum, vnum2;
+ msurface_t *surf, *s;
+ float *v0, *v1, *v2, *v3;
+ for (surf = surfaces, surfnum = 0;surfnum < numsurfaces;surf++, surfnum++)
+ surf->neighborsurfaces = Mem_Alloc(mempool, surf->poly_numverts * sizeof(msurface_t *));
+ for (surf = surfaces, surfnum = 0;surfnum < numsurfaces;surf++, surfnum++)
+ {
+ for (vertnum = surf->poly_numverts - 1, vertnum2 = 0, v0 = surf->poly_verts + (surf->poly_numverts - 1) * 3, v1 = surf->poly_verts;vertnum2 < surf->poly_numverts;vertnum = vertnum2, vertnum2++, v0 = v1, v1 += 3)
+ {
+ if (surf->neighborsurfaces[vertnum])
+ continue;
+ surf->neighborsurfaces[vertnum] = NULL;
+ for (s = surfaces, snum = 0;snum < numsurfaces;s++, snum++)
+ {
+ if (s->poly_mins[0] > (surf->poly_maxs[0] + 1) || s->poly_maxs[0] < (surf->poly_mins[0] - 1)
+ || s->poly_mins[1] > (surf->poly_maxs[1] + 1) || s->poly_maxs[1] < (surf->poly_mins[1] - 1)
+ || s->poly_mins[2] > (surf->poly_maxs[2] + 1) || s->poly_maxs[2] < (surf->poly_mins[2] - 1)
+ || s == surf)
+ continue;
+ for (vnum = 0;vnum < s->poly_numverts;vnum++)
+ if (s->neighborsurfaces[vnum] == surf)
+ break;
+ if (vnum < s->poly_numverts)
+ continue;
+ for (vnum = s->poly_numverts - 1, vnum2 = 0, v2 = s->poly_verts + (s->poly_numverts - 1) * 3, v3 = s->poly_verts;vnum2 < s->poly_numverts;vnum = vnum2, vnum2++, v2 = v3, v3 += 3)
+ {
+ if (s->neighborsurfaces[vnum] == NULL
+ && ((v0[0] == v2[0] && v0[1] == v2[1] && v0[2] == v2[2] && v1[0] == v3[0] && v1[1] == v3[1] && v1[2] == v3[2])
+ || (v1[0] == v2[0] && v1[1] == v2[1] && v1[2] == v2[2] && v0[0] == v3[0] && v0[1] == v3[1] && v0[2] == v3[2])))
+ {
+ surf->neighborsurfaces[vertnum] = s;
+ s->neighborsurfaces[vnum] = surf;
+ break;
+ }
+ }
+ if (vnum < s->poly_numverts)
+ break;
+ }
+ }
+ }
+#endif
+}
+
+static void Mod_Q1BSP_BuildLightmapUpdateChains(mempool_t *mempool, model_t *model)
+{
+ int i, j, stylecounts[256], totalcount, remapstyles[256];
+ msurface_t *surf;
+ memset(stylecounts, 0, sizeof(stylecounts));
+ for (i = 0;i < model->brushq1.nummodelsurfaces;i++)
+ {
+ surf = model->brushq1.surfaces + model->brushq1.firstmodelsurface + i;
+ for (j = 0;j < MAXLIGHTMAPS;j++)
+ stylecounts[surf->styles[j]]++;
+ }
+ totalcount = 0;
+ model->brushq1.light_styles = 0;
+ for (i = 0;i < 255;i++)
+ {
+ if (stylecounts[i])
+ {
+ remapstyles[i] = model->brushq1.light_styles++;
+ totalcount += stylecounts[i] + 1;
+ }
+ }
+ if (!totalcount)
+ return;
+ model->brushq1.light_style = Mem_Alloc(mempool, model->brushq1.light_styles * sizeof(qbyte));
+ model->brushq1.light_stylevalue = Mem_Alloc(mempool, model->brushq1.light_styles * sizeof(int));
+ model->brushq1.light_styleupdatechains = Mem_Alloc(mempool, model->brushq1.light_styles * sizeof(msurface_t **));
+ model->brushq1.light_styleupdatechainsbuffer = Mem_Alloc(mempool, totalcount * sizeof(msurface_t *));
+ model->brushq1.light_styles = 0;
+ for (i = 0;i < 255;i++)
+ if (stylecounts[i])
+ model->brushq1.light_style[model->brushq1.light_styles++] = i;
+ j = 0;
+ for (i = 0;i < model->brushq1.light_styles;i++)
+ {
+ model->brushq1.light_styleupdatechains[i] = model->brushq1.light_styleupdatechainsbuffer + j;
+ j += stylecounts[model->brushq1.light_style[i]] + 1;
+ }
+ for (i = 0;i < model->brushq1.nummodelsurfaces;i++)
+ {
+ surf = model->brushq1.surfaces + model->brushq1.firstmodelsurface + i;
+ for (j = 0;j < MAXLIGHTMAPS;j++)
+ if (surf->styles[j] != 255)
+ *model->brushq1.light_styleupdatechains[remapstyles[surf->styles[j]]]++ = surf;
+ }
+ j = 0;
+ for (i = 0;i < model->brushq1.light_styles;i++)
+ {
+ *model->brushq1.light_styleupdatechains[i] = NULL;
+ model->brushq1.light_styleupdatechains[i] = model->brushq1.light_styleupdatechainsbuffer + j;
+ j += stylecounts[model->brushq1.light_style[i]] + 1;
+ }
+}
+
+static void Mod_Q1BSP_BuildPVSTextureChains(model_t *model)
+{
+ int i, j;
+ for (i = 0;i < model->brushq1.numtextures;i++)
+ model->brushq1.pvstexturechainslength[i] = 0;
+ for (i = 0, j = model->brushq1.firstmodelsurface;i < model->brushq1.nummodelsurfaces;i++, j++)
+ {
+ if (model->brushq1.surfacepvsframes[j] == model->brushq1.pvsframecount)
+ {
+ model->brushq1.pvssurflist[model->brushq1.pvssurflistlength++] = j;
+ model->brushq1.pvstexturechainslength[model->brushq1.surfaces[j].texinfo->texture->number]++;
+ }
+ }
+ for (i = 0, j = 0;i < model->brushq1.numtextures;i++)
+ {
+ if (model->brushq1.pvstexturechainslength[i])
+ {
+ model->brushq1.pvstexturechains[i] = model->brushq1.pvstexturechainsbuffer + j;
+ j += model->brushq1.pvstexturechainslength[i] + 1;
+ }
+ else
+ model->brushq1.pvstexturechains[i] = NULL;
+ }
+ for (i = 0, j = model->brushq1.firstmodelsurface;i < model->brushq1.nummodelsurfaces;i++, j++)
+ if (model->brushq1.surfacepvsframes[j] == model->brushq1.pvsframecount)
+ *model->brushq1.pvstexturechains[model->brushq1.surfaces[j].texinfo->texture->number]++ = model->brushq1.surfaces + j;
+ for (i = 0;i < model->brushq1.numtextures;i++)
+ {
+ if (model->brushq1.pvstexturechainslength[i])
+ {
+ *model->brushq1.pvstexturechains[i] = NULL;
+ model->brushq1.pvstexturechains[i] -= model->brushq1.pvstexturechainslength[i];
+ }
+ }
+}
+
+static void Mod_Q1BSP_FatPVS_RecursiveBSPNode(model_t *model, const vec3_t org, vec_t radius, qbyte *pvsbuffer, int pvsbytes, mnode_t *node)
+{
+ while (node->plane)
+ {
+ float d = PlaneDiff(org, node->plane);
+ if (d > radius)
+ node = node->children[0];
+ else if (d < -radius)
+ node = node->children[1];
+ else
+ {
+ // go down both sides
+ Mod_Q1BSP_FatPVS_RecursiveBSPNode(model, org, radius, pvsbuffer, pvsbytes, node->children[0]);
+ node = node->children[1];
+ }
+ }
+ // if this leaf is in a cluster, accumulate the pvs bits
+ if (((mleaf_t *)node)->clusterindex >= 0)
+ {
+ int i;
+ qbyte *pvs = model->brushq1.data_pvsclusters + ((mleaf_t *)node)->clusterindex * model->brushq1.num_pvsclusterbytes;
+ for (i = 0;i < pvsbytes;i++)
+ pvsbuffer[i] |= pvs[i];
+ }
+}
+
+//Calculates a PVS that is the inclusive or of all leafs within radius pixels
+//of the given point.
+static int Mod_Q1BSP_FatPVS(model_t *model, const vec3_t org, vec_t radius, qbyte *pvsbuffer, int pvsbufferlength)
+{
+ int bytes = ((model->brushq1.num_leafs - 1) + 7) >> 3;
+ bytes = min(bytes, pvsbufferlength);
+ if (r_novis.integer)
+ {
+ memset(pvsbuffer, 0xFF, bytes);
+ return bytes;
+ }
+ memset(pvsbuffer, 0, bytes);
+ Mod_Q1BSP_FatPVS_RecursiveBSPNode(model, org, radius, pvsbuffer, bytes, model->brushq1.nodes);
+ return bytes;
+}
+
+//Returns PVS data for a given point
+//(note: can return NULL)
+static qbyte *Mod_Q1BSP_GetPVS(model_t *model, const vec3_t p)
+{
+ mnode_t *node;
+ Mod_CheckLoaded(model);
+ node = model->brushq1.nodes;
+ while (node->plane)
+ node = node->children[(node->plane->type < 3 ? p[node->plane->type] : DotProduct(p,node->plane->normal)) < node->plane->dist];
+ if (((mleaf_t *)node)->clusterindex >= 0)
+ return model->brushq1.data_pvsclusters + ((mleaf_t *)node)->clusterindex * model->brushq1.num_pvsclusterbytes;
+ else
+ return NULL;
+}
+
+static void Mod_Q1BSP_RoundUpToHullSize(model_t *cmodel, const vec3_t inmins, const vec3_t inmaxs, vec3_t outmins, vec3_t outmaxs)
+{
+ vec3_t size;
+ const hull_t *hull;
+
+ VectorSubtract(inmaxs, inmins, size);
+ if (cmodel->brush.ishlbsp)
+ {
+ if (size[0] < 3)
+ hull = &cmodel->brushq1.hulls[0]; // 0x0x0
+ else if (size[0] <= 32)
+ {
+ if (size[2] < 54) // pick the nearest of 36 or 72
+ hull = &cmodel->brushq1.hulls[3]; // 32x32x36
+ else
+ hull = &cmodel->brushq1.hulls[1]; // 32x32x72
+ }
+ else
+ hull = &cmodel->brushq1.hulls[2]; // 64x64x64
+ }
+ else
+ {
+ if (size[0] < 3)
+ hull = &cmodel->brushq1.hulls[0]; // 0x0x0
+ else if (size[0] <= 32)
+ hull = &cmodel->brushq1.hulls[1]; // 32x32x56
+ else
+ hull = &cmodel->brushq1.hulls[2]; // 64x64x88
+ }
+ VectorCopy(inmins, outmins);
+ VectorAdd(inmins, hull->clip_size, outmaxs);
+}
+
+extern void R_Model_Brush_DrawSky(entity_render_t *ent);
+extern void R_Model_Brush_Draw(entity_render_t *ent);
+extern void R_Model_Brush_DrawShadowVolume(entity_render_t *ent, vec3_t relativelightorigin, float lightradius);
+extern void R_Model_Brush_DrawLight(entity_render_t *ent, vec3_t relativelightorigin, vec3_t relativeeyeorigin, float lightradius, float *lightcolor, const matrix4x4_t *matrix_modeltolight, const matrix4x4_t *matrix_modeltoattenuationxyz, const matrix4x4_t *matrix_modeltoattenuationz, rtexture_t *lightcubemap);
+void Mod_Q1BSP_Load(model_t *mod, void *buffer)
+{
+ int i, j, k;
+ dheader_t *header;
+ dmodel_t *bm;
+ mempool_t *mainmempool;
+ char *loadname;
+ model_t *originalloadmodel;
+ float dist, modelyawradius, modelradius, *vec;
+ msurface_t *surf;
+
+ mod->type = mod_brush;
+
+ header = (dheader_t *)buffer;
+
+ i = LittleLong(header->version);
+ if (i != BSPVERSION && i != 30)
+ Host_Error("Mod_Q1BSP_Load: %s has wrong version number(%i should be %i(Quake) or 30(HalfLife))", mod->name, i, BSPVERSION);
+ mod->brush.ishlbsp = i == 30;
+
+ mod->soundfromcenter = true;
+ mod->TraceBox = Mod_Q1BSP_TraceBox;
+ mod->brush.SuperContentsFromNativeContents = Mod_Q1BSP_SuperContentsFromNativeContents;
+ mod->brush.NativeContentsFromSuperContents = Mod_Q1BSP_NativeContentsFromSuperContents;
+ mod->brush.GetPVS = Mod_Q1BSP_GetPVS;
+ mod->brush.FatPVS = Mod_Q1BSP_FatPVS;
+ mod->brush.BoxTouchingPVS = Mod_Q1BSP_BoxTouchingPVS;
+ mod->brush.LightPoint = Mod_Q1BSP_LightPoint;
+ mod->brush.FindNonSolidLocation = Mod_Q1BSP_FindNonSolidLocation;
+ mod->brush.AmbientSoundLevelsForPoint = Mod_Q1BSP_AmbientSoundLevelsForPoint;
+ mod->brush.RoundUpToHullSize = Mod_Q1BSP_RoundUpToHullSize;
+ mod->brushq1.PointInLeaf = Mod_Q1BSP_PointInLeaf;
+ mod->brushq1.BuildPVSTextureChains = Mod_Q1BSP_BuildPVSTextureChains;
+
+ if (loadmodel->isworldmodel)
+ {
+ Cvar_SetValue("halflifebsp", mod->brush.ishlbsp);
+ // until we get a texture for it...
+ R_ResetQuakeSky();
+ }
+
+// swap all the lumps
+ mod_base = (qbyte *)header;
+
+ for (i = 0;i < (int) sizeof(dheader_t) / 4;i++)
+ ((int *)header)[i] = LittleLong(((int *)header)[i]);
+
+// load into heap
+
+ // store which lightmap format to use
+ mod->brushq1.lightmaprgba = r_lightmaprgba.integer;
+
+ Mod_Q1BSP_LoadEntities(&header->lumps[LUMP_ENTITIES]);
+ Mod_Q1BSP_LoadVertexes(&header->lumps[LUMP_VERTEXES]);
+ Mod_Q1BSP_LoadEdges(&header->lumps[LUMP_EDGES]);
+ Mod_Q1BSP_LoadSurfedges(&header->lumps[LUMP_SURFEDGES]);
+ Mod_Q1BSP_LoadTextures(&header->lumps[LUMP_TEXTURES]);
+ Mod_Q1BSP_LoadLighting(&header->lumps[LUMP_LIGHTING]);
+ Mod_Q1BSP_LoadPlanes(&header->lumps[LUMP_PLANES]);
+ Mod_Q1BSP_LoadTexinfo(&header->lumps[LUMP_TEXINFO]);
+ Mod_Q1BSP_LoadFaces(&header->lumps[LUMP_FACES]);
+ Mod_Q1BSP_LoadMarksurfaces(&header->lumps[LUMP_MARKSURFACES]);
+ Mod_Q1BSP_LoadVisibility(&header->lumps[LUMP_VISIBILITY]);
+ // load submodels before leafs because they contain the number of vis leafs
+ Mod_Q1BSP_LoadSubmodels(&header->lumps[LUMP_MODELS]);
+ Mod_Q1BSP_LoadLeafs(&header->lumps[LUMP_LEAFS]);
+ Mod_Q1BSP_LoadNodes(&header->lumps[LUMP_NODES]);
+ Mod_Q1BSP_LoadClipnodes(&header->lumps[LUMP_CLIPNODES]);
+
+ if (mod->brushq1.data_compressedpvs)
+ Mem_Free(mod->brushq1.data_compressedpvs);
+ mod->brushq1.data_compressedpvs = NULL;
+ mod->brushq1.num_compressedpvs = 0;
+
+ Mod_Q1BSP_MakeHull0();
+ Mod_Q1BSP_MakePortals();
+
+ mod->numframes = 2; // regular and alternate animation
+
+ mainmempool = mod->mempool;
+ loadname = mod->name;
+
+ Mod_Q1BSP_LoadLightList();
+ originalloadmodel = loadmodel;
+
+//
+// set up the submodels(FIXME: this is confusing)
+//
+ for (i = 0;i < mod->brush.numsubmodels;i++)
+ {
+ bm = &mod->brushq1.submodels[i];
+
+ mod->brushq1.hulls[0].firstclipnode = bm->headnode[0];
+ for (j=1 ; j<MAX_MAP_HULLS ; j++)
+ {
+ mod->brushq1.hulls[j].firstclipnode = bm->headnode[j];
+ mod->brushq1.hulls[j].lastclipnode = mod->brushq1.numclipnodes - 1;
+ }
+
+ mod->brushq1.firstmodelsurface = bm->firstface;
+ mod->brushq1.nummodelsurfaces = bm->numfaces;
+
+ // this gets altered below if sky is used
+ mod->DrawSky = NULL;
+ mod->Draw = R_Model_Brush_Draw;
+ mod->DrawShadowVolume = R_Model_Brush_DrawShadowVolume;
+ mod->DrawLight = R_Model_Brush_DrawLight;
+ if (i != 0)
+ {
+ mod->brush.GetPVS = NULL;
+ mod->brush.FatPVS = NULL;
+ mod->brush.BoxTouchingPVS = NULL;
+ mod->brush.LightPoint = NULL;
+ mod->brush.AmbientSoundLevelsForPoint = NULL;
+ }
+ mod->brushq1.pvstexturechains = Mem_Alloc(originalloadmodel->mempool, mod->brushq1.numtextures * sizeof(msurface_t **));
+ mod->brushq1.pvstexturechainsbuffer = Mem_Alloc(originalloadmodel->mempool,(mod->brushq1.nummodelsurfaces + mod->brushq1.numtextures) * sizeof(msurface_t *));
+ mod->brushq1.pvstexturechainslength = Mem_Alloc(originalloadmodel->mempool, mod->brushq1.numtextures * sizeof(int));
+ Mod_Q1BSP_BuildPVSTextureChains(mod);
+ Mod_Q1BSP_BuildLightmapUpdateChains(originalloadmodel->mempool, mod);
+ if (mod->brushq1.nummodelsurfaces)
+ {
+ // LordHavoc: calculate bmodel bounding box rather than trusting what it says
+ mod->normalmins[0] = mod->normalmins[1] = mod->normalmins[2] = 1000000000.0f;
+ mod->normalmaxs[0] = mod->normalmaxs[1] = mod->normalmaxs[2] = -1000000000.0f;
+ modelyawradius = 0;
+ modelradius = 0;
+ for (j = 0, surf = &mod->brushq1.surfaces[mod->brushq1.firstmodelsurface];j < mod->brushq1.nummodelsurfaces;j++, surf++)
+ {
+ // we only need to have a drawsky function if it is used(usually only on world model)
+ if (surf->texinfo->texture->shader == &Cshader_sky)
+ mod->DrawSky = R_Model_Brush_DrawSky;
+ // LordHavoc: submodels always clip, even if water
+ if (mod->brush.numsubmodels - 1)
+ surf->flags |= SURF_SOLIDCLIP;
+ // calculate bounding shapes
+ for (k = 0, vec = surf->mesh.data_vertex3f;k < surf->mesh.num_vertices;k++, vec += 3)
+ {
+ if (mod->normalmins[0] > vec[0]) mod->normalmins[0] = vec[0];
+ if (mod->normalmins[1] > vec[1]) mod->normalmins[1] = vec[1];
+ if (mod->normalmins[2] > vec[2]) mod->normalmins[2] = vec[2];
+ if (mod->normalmaxs[0] < vec[0]) mod->normalmaxs[0] = vec[0];
+ if (mod->normalmaxs[1] < vec[1]) mod->normalmaxs[1] = vec[1];
+ if (mod->normalmaxs[2] < vec[2]) mod->normalmaxs[2] = vec[2];
+ dist = vec[0]*vec[0]+vec[1]*vec[1];
+ if (modelyawradius < dist)
+ modelyawradius = dist;
+ dist += vec[2]*vec[2];
+ if (modelradius < dist)
+ modelradius = dist;
+ }
+ }
+ modelyawradius = sqrt(modelyawradius);
+ modelradius = sqrt(modelradius);
+ mod->yawmins[0] = mod->yawmins[1] = - (mod->yawmaxs[0] = mod->yawmaxs[1] = modelyawradius);
+ mod->yawmins[2] = mod->normalmins[2];
+ mod->yawmaxs[2] = mod->normalmaxs[2];
+ mod->rotatedmins[0] = mod->rotatedmins[1] = mod->rotatedmins[2] = -modelradius;
+ mod->rotatedmaxs[0] = mod->rotatedmaxs[1] = mod->rotatedmaxs[2] = modelradius;
+ mod->radius = modelradius;
+ mod->radius2 = modelradius * modelradius;
+ }
+ else
+ {
+ // LordHavoc: empty submodel(lacrima.bsp has such a glitch)
+ Con_Printf("warning: empty submodel *%i in %s\n", i+1, loadname);
+ }
+ Mod_Q1BSP_BuildSurfaceNeighbors(mod->brushq1.surfaces + mod->brushq1.firstmodelsurface, mod->brushq1.nummodelsurfaces, originalloadmodel->mempool);
+
+ mod->brushq1.num_visleafs = bm->visleafs;
+
+ // LordHavoc: only register submodels if it is the world
+ // (prevents bsp models from replacing world submodels)
+ if (loadmodel->isworldmodel && i < (mod->brush.numsubmodels - 1))
+ {
+ char name[10];
+ // duplicate the basic information
+ sprintf(name, "*%i", i+1);
+ loadmodel = Mod_FindName(name);
+ *loadmodel = *mod;
+ strcpy(loadmodel->name, name);
+ // textures and memory belong to the main model
+ loadmodel->texturepool = NULL;
+ loadmodel->mempool = NULL;
+ mod = loadmodel;
+ }
+ }
+
+ loadmodel = originalloadmodel;
+ //Mod_Q1BSP_ProcessLightList();
+
+ if (developer.integer)
+ Con_Printf("Some stats for q1bsp model \"%s\": %i faces, %i nodes, %i leafs, %i visleafs, %i visleafportals\n", loadmodel->name, loadmodel->brushq1.numsurfaces, loadmodel->brushq1.numnodes, loadmodel->brushq1.num_leafs, loadmodel->brushq1.num_visleafs, loadmodel->brushq1.numportals);
+}
+
+static void Mod_Q2BSP_LoadEntities(lump_t *l)
+{
+}
+
+static void Mod_Q2BSP_LoadPlanes(lump_t *l)
+{
+/*
+ d_t *in;
+ m_t *out;
+ int i, count;
+
+ in = (void *)(mod_base + l->fileofs);
+ if (l->filelen % sizeof(*in))
+ Host_Error("Mod_Q2BSP_LoadPlanes: funny lump size in %s",loadmodel->name);
+ count = l->filelen / sizeof(*in);
+ out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
+
+ loadmodel-> = out;
+ loadmodel->num = count;
+
+ for (i = 0;i < count;i++, in++, out++)
+ {
+ }
+*/
+}
+
+static void Mod_Q2BSP_LoadVertices(lump_t *l)
+{
+/*
+ d_t *in;
+ m_t *out;
+ int i, count;
+
+ in = (void *)(mod_base + l->fileofs);
+ if (l->filelen % sizeof(*in))
+ Host_Error("Mod_Q2BSP_LoadVertices: funny lump size in %s",loadmodel->name);
+ count = l->filelen / sizeof(*in);
+ out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
+
+ loadmodel-> = out;
+ loadmodel->num = count;
+
+ for (i = 0;i < count;i++, in++, out++)
+ {
+ }
+*/
+}
+
+static void Mod_Q2BSP_LoadVisibility(lump_t *l)
+{
+/*
+ d_t *in;
+ m_t *out;
+ int i, count;
+
+ in = (void *)(mod_base + l->fileofs);
+ if (l->filelen % sizeof(*in))
+ Host_Error("Mod_Q2BSP_LoadVisibility: funny lump size in %s",loadmodel->name);
+ count = l->filelen / sizeof(*in);
+ out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
+
+ loadmodel-> = out;
+ loadmodel->num = count;
+
+ for (i = 0;i < count;i++, in++, out++)
+ {
+ }
+*/
+}
+
+static void Mod_Q2BSP_LoadNodes(lump_t *l)
+{
+/*
+ d_t *in;
+ m_t *out;
+ int i, count;
+
+ in = (void *)(mod_base + l->fileofs);
+ if (l->filelen % sizeof(*in))
+ Host_Error("Mod_Q2BSP_LoadNodes: funny lump size in %s",loadmodel->name);
+ count = l->filelen / sizeof(*in);
+ out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
+
+ loadmodel-> = out;
+ loadmodel->num = count;
+
+ for (i = 0;i < count;i++, in++, out++)
+ {
+ }
+*/
+}
+
+static void Mod_Q2BSP_LoadTexInfo(lump_t *l)
+{
+/*
+ d_t *in;
+ m_t *out;
+ int i, count;
+
+ in = (void *)(mod_base + l->fileofs);
+ if (l->filelen % sizeof(*in))
+ Host_Error("Mod_Q2BSP_LoadTexInfo: funny lump size in %s",loadmodel->name);
+ count = l->filelen / sizeof(*in);
+ out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
+
+ loadmodel-> = out;
+ loadmodel->num = count;
+
+ for (i = 0;i < count;i++, in++, out++)
+ {
+ }
+*/
+}
+
+static void Mod_Q2BSP_LoadFaces(lump_t *l)
+{
+/*
+ d_t *in;
+ m_t *out;
+ int i, count;
+
+ in = (void *)(mod_base + l->fileofs);
+ if (l->filelen % sizeof(*in))
+ Host_Error("Mod_Q2BSP_LoadFaces: funny lump size in %s",loadmodel->name);
+ count = l->filelen / sizeof(*in);
+ out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
+
+ loadmodel-> = out;
+ loadmodel->num = count;
+
+ for (i = 0;i < count;i++, in++, out++)
+ {
+ }
+*/
+}
+
+static void Mod_Q2BSP_LoadLighting(lump_t *l)
+{
+/*
+ d_t *in;
+ m_t *out;
+ int i, count;
+
+ in = (void *)(mod_base + l->fileofs);
+ if (l->filelen % sizeof(*in))
+ Host_Error("Mod_Q2BSP_LoadLighting: funny lump size in %s",loadmodel->name);
+ count = l->filelen / sizeof(*in);
+ out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
+
+ loadmodel-> = out;
+ loadmodel->num = count;
+
+ for (i = 0;i < count;i++, in++, out++)
+ {
+ }
+*/
+}
+
+static void Mod_Q2BSP_LoadLeafs(lump_t *l)
+{
+/*
+ d_t *in;
+ m_t *out;
+ int i, count;
+
+ in = (void *)(mod_base + l->fileofs);
+ if (l->filelen % sizeof(*in))
+ Host_Error("Mod_Q2BSP_LoadLeafs: funny lump size in %s",loadmodel->name);
+ count = l->filelen / sizeof(*in);
+ out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
+
+ loadmodel-> = out;
+ loadmodel->num = count;
+
+ for (i = 0;i < count;i++, in++, out++)
+ {
+ }
+*/
+}
+
+static void Mod_Q2BSP_LoadLeafFaces(lump_t *l)
+{
+/*
+ d_t *in;
+ m_t *out;
+ int i, count;
+
+ in = (void *)(mod_base + l->fileofs);
+ if (l->filelen % sizeof(*in))
+ Host_Error("Mod_Q2BSP_LoadLeafFaces: funny lump size in %s",loadmodel->name);
+ count = l->filelen / sizeof(*in);
+ out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
+
+ loadmodel-> = out;
+ loadmodel->num = count;
+
+ for (i = 0;i < count;i++, in++, out++)
+ {
+ }
+*/
+}
+
+static void Mod_Q2BSP_LoadLeafBrushes(lump_t *l)
+{
+/*
+ d_t *in;
+ m_t *out;
+ int i, count;
+
+ in = (void *)(mod_base + l->fileofs);
+ if (l->filelen % sizeof(*in))
+ Host_Error("Mod_Q2BSP_LoadLeafBrushes: funny lump size in %s",loadmodel->name);
+ count = l->filelen / sizeof(*in);
+ out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
+
+ loadmodel-> = out;
+ loadmodel->num = count;
+
+ for (i = 0;i < count;i++, in++, out++)
+ {
+ }
+*/
+}
+
+static void Mod_Q2BSP_LoadEdges(lump_t *l)
+{
+/*
+ d_t *in;
+ m_t *out;
+ int i, count;
+
+ in = (void *)(mod_base + l->fileofs);
+ if (l->filelen % sizeof(*in))
+ Host_Error("Mod_Q2BSP_LoadEdges: funny lump size in %s",loadmodel->name);
+ count = l->filelen / sizeof(*in);
+ out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
+
+ loadmodel-> = out;
+ loadmodel->num = count;
+
+ for (i = 0;i < count;i++, in++, out++)
+ {
+ }
+*/
+}
+
+static void Mod_Q2BSP_LoadSurfEdges(lump_t *l)
+{
+/*
+ d_t *in;
+ m_t *out;
+ int i, count;
+
+ in = (void *)(mod_base + l->fileofs);
+ if (l->filelen % sizeof(*in))
+ Host_Error("Mod_Q2BSP_LoadSurfEdges: funny lump size in %s",loadmodel->name);
+ count = l->filelen / sizeof(*in);
+ out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
+
+ loadmodel-> = out;
+ loadmodel->num = count;
+
+ for (i = 0;i < count;i++, in++, out++)
+ {
+ }
+*/
+}
+
+static void Mod_Q2BSP_LoadBrushes(lump_t *l)
+{
+/*
+ d_t *in;
+ m_t *out;
+ int i, count;
+
+ in = (void *)(mod_base + l->fileofs);
+ if (l->filelen % sizeof(*in))
+ Host_Error("Mod_Q2BSP_LoadBrushes: funny lump size in %s",loadmodel->name);
+ count = l->filelen / sizeof(*in);
+ out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
+
+ loadmodel-> = out;
+ loadmodel->num = count;
+
+ for (i = 0;i < count;i++, in++, out++)
+ {
+ }
+*/
+}
+
+static void Mod_Q2BSP_LoadBrushSides(lump_t *l)
+{
+/*
+ d_t *in;
+ m_t *out;
+ int i, count;
+
+ in = (void *)(mod_base + l->fileofs);
+ if (l->filelen % sizeof(*in))
+ Host_Error("Mod_Q2BSP_LoadBrushSides: funny lump size in %s",loadmodel->name);
+ count = l->filelen / sizeof(*in);
+ out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
+
+ loadmodel-> = out;
+ loadmodel->num = count;
+
+ for (i = 0;i < count;i++, in++, out++)
+ {
+ }
+*/
+}
+
+static void Mod_Q2BSP_LoadAreas(lump_t *l)
+{
+/*
+ d_t *in;
+ m_t *out;
+ int i, count;
+
+ in = (void *)(mod_base + l->fileofs);
+ if (l->filelen % sizeof(*in))
+ Host_Error("Mod_Q2BSP_LoadAreas: funny lump size in %s",loadmodel->name);
+ count = l->filelen / sizeof(*in);
+ out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
+
+ loadmodel-> = out;
+ loadmodel->num = count;
+
+ for (i = 0;i < count;i++, in++, out++)
+ {
+ }
+*/
+}
+
+static void Mod_Q2BSP_LoadAreaPortals(lump_t *l)
+{
+/*
+ d_t *in;
+ m_t *out;
+ int i, count;
+
+ in = (void *)(mod_base + l->fileofs);
+ if (l->filelen % sizeof(*in))
+ Host_Error("Mod_Q2BSP_LoadAreaPortals: funny lump size in %s",loadmodel->name);
+ count = l->filelen / sizeof(*in);
+ out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
+
+ loadmodel-> = out;
+ loadmodel->num = count;
+
+ for (i = 0;i < count;i++, in++, out++)
+ {
+ }
+*/
+}
+
+static void Mod_Q2BSP_LoadModels(lump_t *l)
+{
+/*
+ d_t *in;
+ m_t *out;
+ int i, count;
+
+ in = (void *)(mod_base + l->fileofs);
+ if (l->filelen % sizeof(*in))
+ Host_Error("Mod_Q2BSP_LoadModels: funny lump size in %s",loadmodel->name);
+ count = l->filelen / sizeof(*in);
+ out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
+
+ loadmodel-> = out;
+ loadmodel->num = count;
+
+ for (i = 0;i < count;i++, in++, out++)
+ {
+ }
+*/
+}
+
+void static Mod_Q2BSP_Load(model_t *mod, void *buffer)
+{
+ int i;
+ q2dheader_t *header;
+
+ Host_Error("Mod_Q2BSP_Load: not yet implemented\n");
+
+ mod->type = mod_brushq2;
+
+ header = (q2dheader_t *)buffer;
+
+ i = LittleLong(header->version);
+ if (i != Q2BSPVERSION)
+ Host_Error("Mod_Q2BSP_Load: %s has wrong version number (%i, should be %i)", mod->name, i, Q2BSPVERSION);
+ mod->brush.ishlbsp = false;
+ if (loadmodel->isworldmodel)
+ {
+ Cvar_SetValue("halflifebsp", mod->brush.ishlbsp);
+ // until we get a texture for it...
+ R_ResetQuakeSky();
+ }
+
+ mod_base = (qbyte *)header;
+
+ // swap all the lumps
+ for (i = 0;i < (int) sizeof(*header) / 4;i++)
+ ((int *)header)[i] = LittleLong(((int *)header)[i]);
+
+ // store which lightmap format to use
+ mod->brushq1.lightmaprgba = r_lightmaprgba.integer;
+
+ Mod_Q2BSP_LoadEntities(&header->lumps[Q2LUMP_ENTITIES]);
+ Mod_Q2BSP_LoadPlanes(&header->lumps[Q2LUMP_PLANES]);
+ Mod_Q2BSP_LoadVertices(&header->lumps[Q2LUMP_VERTEXES]);
+ Mod_Q2BSP_LoadVisibility(&header->lumps[Q2LUMP_VISIBILITY]);
+ Mod_Q2BSP_LoadNodes(&header->lumps[Q2LUMP_NODES]);
+ Mod_Q2BSP_LoadTexInfo(&header->lumps[Q2LUMP_TEXINFO]);
+ Mod_Q2BSP_LoadFaces(&header->lumps[Q2LUMP_FACES]);
+ Mod_Q2BSP_LoadLighting(&header->lumps[Q2LUMP_LIGHTING]);
+ Mod_Q2BSP_LoadLeafs(&header->lumps[Q2LUMP_LEAFS]);
+ Mod_Q2BSP_LoadLeafFaces(&header->lumps[Q2LUMP_LEAFFACES]);
+ Mod_Q2BSP_LoadLeafBrushes(&header->lumps[Q2LUMP_LEAFBRUSHES]);
+ Mod_Q2BSP_LoadEdges(&header->lumps[Q2LUMP_EDGES]);
+ Mod_Q2BSP_LoadSurfEdges(&header->lumps[Q2LUMP_SURFEDGES]);
+ Mod_Q2BSP_LoadBrushes(&header->lumps[Q2LUMP_BRUSHES]);
+ Mod_Q2BSP_LoadBrushSides(&header->lumps[Q2LUMP_BRUSHSIDES]);
+ Mod_Q2BSP_LoadAreas(&header->lumps[Q2LUMP_AREAS]);
+ Mod_Q2BSP_LoadAreaPortals(&header->lumps[Q2LUMP_AREAPORTALS]);
+ // LordHavoc: must go last because this makes the submodels
+ Mod_Q2BSP_LoadModels(&header->lumps[Q2LUMP_MODELS]);
+}
+
+static int Mod_Q3BSP_SuperContentsFromNativeContents(model_t *model, int nativecontents);
+static int Mod_Q3BSP_NativeContentsFromSuperContents(model_t *model, int supercontents);
+
+static void Mod_Q3BSP_LoadEntities(lump_t *l)
+{
+ const char *data;
+ char key[128], value[4096];
+ float v[3];
+ loadmodel->brushq3.num_lightgrid_cellsize[0] = 64;
+ loadmodel->brushq3.num_lightgrid_cellsize[1] = 64;
+ loadmodel->brushq3.num_lightgrid_cellsize[2] = 128;
+ if (!l->filelen)
+ return;
+ loadmodel->brush.entities = Mem_Alloc(loadmodel->mempool, l->filelen);
+ memcpy(loadmodel->brush.entities, mod_base + l->fileofs, l->filelen);
+ data = loadmodel->brush.entities;
+ // some Q3 maps override the lightgrid_cellsize with a worldspawn key
+ if (data && COM_ParseToken(&data, false) && com_token[0] == '{')
+ {
+ while (1)
+ {
+ if (!COM_ParseToken(&data, false))
+ break; // error
+ if (com_token[0] == '}')
+ break; // end of worldspawn
+ if (com_token[0] == '_')
+ strcpy(key, com_token + 1);
+ else
+ strcpy(key, com_token);
+ while (key[strlen(key)-1] == ' ') // remove trailing spaces
+ key[strlen(key)-1] = 0;
+ if (!COM_ParseToken(&data, false))
+ break; // error
+ strcpy(value, com_token);
+ if (!strcmp("gridsize", key))
+ {
+ if (sscanf(value, "%f %f %f", &v[0], &v[1], &v[2]) == 3 && v[0] != 0 && v[1] != 0 && v[2] != 0)
+ VectorCopy(v, loadmodel->brushq3.num_lightgrid_cellsize);
+ }
+ }
+ }
+}
+
+static void Mod_Q3BSP_LoadTextures(lump_t *l)
+{
+ q3dtexture_t *in;
+ q3mtexture_t *out;
+ int i, count;
+ int j, c;
+ fssearch_t *search;
+ char *f;
+ const char *text;
+ int flags;
+ char shadername[Q3PATHLENGTH];
+
+ in = (void *)(mod_base + l->fileofs);
+ if (l->filelen % sizeof(*in))
+ Host_Error("Mod_Q3BSP_LoadTextures: funny lump size in %s",loadmodel->name);
+ count = l->filelen / sizeof(*in);
+ out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
+
+ loadmodel->brushq3.data_textures = out;
+ loadmodel->brushq3.num_textures = count;
+
+ for (i = 0;i < count;i++, in++, out++)
+ {
+ out->number = i;
+ strlcpy (out->name, in->name, sizeof (out->name));
+ out->surfaceflags = LittleLong(in->surfaceflags);
+ out->nativecontents = LittleLong(in->contents);
+ out->supercontents = Mod_Q3BSP_SuperContentsFromNativeContents(loadmodel, out->nativecontents);
+ Mod_LoadSkinFrame(&out->skin, out->name, TEXF_MIPMAP | TEXF_ALPHA | TEXF_PRECACHE, false, true, true);
+ out->surfaceparms = -1;
+ }
+
+ // do a quick parse of shader files to get surfaceparms
+ if ((search = FS_Search("scripts/*.shader", true, false)))
+ {
+ for (i = 0;i < search->numfilenames;i++)
+ {
+ if ((f = FS_LoadFile(search->filenames[i], false)))
+ {
+ text = f;
+ while (COM_ParseToken(&text, false))
+ {
+ snprintf(shadername, sizeof(shadername), "%s", com_token);
+ flags = 0;
+ if (COM_ParseToken(&text, false) && !strcasecmp(com_token, "{"))
+ {
+ while (COM_ParseToken(&text, false))
+ {
+ if (!strcasecmp(com_token, "}"))
+ break;
+ else if (!strcasecmp(com_token, "{"))
+ {
+ while (COM_ParseToken(&text, false))
+ {
+ if (!strcasecmp(com_token, "}"))
+ break;
+ }
+ }
+ else if (!strcasecmp(com_token, "surfaceparm"))
+ {
+ if (COM_ParseToken(&text, true) && strcasecmp(com_token, "\n"))
+ {
+ if (!strcasecmp(com_token, "alphashadow"))
+ flags |= Q3SURFACEPARM_ALPHASHADOW;
+ else if (!strcasecmp(com_token, "areaportal"))
+ flags |= Q3SURFACEPARM_AREAPORTAL;
+ else if (!strcasecmp(com_token, "clusterportal"))
+ flags |= Q3SURFACEPARM_CLUSTERPORTAL;
+ else if (!strcasecmp(com_token, "detail"))
+ flags |= Q3SURFACEPARM_DETAIL;
+ else if (!strcasecmp(com_token, "donotenter"))
+ flags |= Q3SURFACEPARM_DONOTENTER;
+ else if (!strcasecmp(com_token, "fog"))
+ flags |= Q3SURFACEPARM_FOG;
+ else if (!strcasecmp(com_token, "lava"))
+ flags |= Q3SURFACEPARM_LAVA;
+ else if (!strcasecmp(com_token, "lightfilter"))
+ flags |= Q3SURFACEPARM_LIGHTFILTER;
+ else if (!strcasecmp(com_token, "metalsteps"))
+ flags |= Q3SURFACEPARM_METALSTEPS;
+ else if (!strcasecmp(com_token, "nodamage"))
+ flags |= Q3SURFACEPARM_NODAMAGE;
+ else if (!strcasecmp(com_token, "nodlight"))
+ flags |= Q3SURFACEPARM_NODLIGHT;
+ else if (!strcasecmp(com_token, "nodraw"))
+ flags |= Q3SURFACEPARM_NODRAW;
+ else if (!strcasecmp(com_token, "nodrop"))
+ flags |= Q3SURFACEPARM_NODROP;
+ else if (!strcasecmp(com_token, "noimpact"))
+ flags |= Q3SURFACEPARM_NOIMPACT;
+ else if (!strcasecmp(com_token, "nolightmap"))
+ flags |= Q3SURFACEPARM_NOLIGHTMAP;
+ else if (!strcasecmp(com_token, "nomarks"))
+ flags |= Q3SURFACEPARM_NOMARKS;
+ else if (!strcasecmp(com_token, "nomipmaps"))
+ flags |= Q3SURFACEPARM_NOMIPMAPS;
+ else if (!strcasecmp(com_token, "nonsolid"))
+ flags |= Q3SURFACEPARM_NONSOLID;
+ else if (!strcasecmp(com_token, "origin"))
+ flags |= Q3SURFACEPARM_ORIGIN;
+ else if (!strcasecmp(com_token, "playerclip"))
+ flags |= Q3SURFACEPARM_PLAYERCLIP;
+ else if (!strcasecmp(com_token, "sky"))
+ flags |= Q3SURFACEPARM_SKY;
+ else if (!strcasecmp(com_token, "slick"))
+ flags |= Q3SURFACEPARM_SLICK;
+ else if (!strcasecmp(com_token, "slime"))
+ flags |= Q3SURFACEPARM_SLIME;
+ else if (!strcasecmp(com_token, "structural"))
+ flags |= Q3SURFACEPARM_STRUCTURAL;
+ else if (!strcasecmp(com_token, "trans"))
+ flags |= Q3SURFACEPARM_TRANS;
+ else if (!strcasecmp(com_token, "water"))
+ flags |= Q3SURFACEPARM_WATER;
+ else
+ Con_Printf("%s parsing warning: unknown surfaceparm \"%s\"\n", search->filenames[i], com_token);
+ if (!COM_ParseToken(&text, true) || strcasecmp(com_token, "\n"))
+ {
+ Con_Printf("%s parsing error: surfaceparm only takes one parameter.\n", search->filenames[i]);
+ goto parseerror;
+ }
+ }
+ else
+ {
+ Con_Printf("%s parsing error: surfaceparm expects a parameter.\n", search->filenames[i]);
+ goto parseerror;
+ }
+ }
+ else
+ {
+ // look for linebreak or }
+ while(COM_ParseToken(&text, true) && strcasecmp(com_token, "\n") && strcasecmp(com_token, "}"));
+ // break out to top level if it was }
+ if (!strcasecmp(com_token, "}"))
+ break;
+ }
+ }
+ // add shader to list (shadername and flags)
+ // actually here we just poke into the texture settings
+ for (j = 0, out = loadmodel->brushq3.data_textures;j < loadmodel->brushq3.num_textures;j++, out++)
+ if (!strcasecmp(out->name, shadername))
+ out->surfaceparms = flags;
+ }
+ else
+ {
+ Con_Printf("%s parsing error - expected \"{\", found \"%s\"\n", search->filenames[i], com_token);
+ goto parseerror;
+ }
+ }
+parseerror:
+ Mem_Free(f);
+ }
+ }
+ }
+
+ c = 0;
+ for (j = 0, out = loadmodel->brushq3.data_textures;j < loadmodel->brushq3.num_textures;j++, out++)
+ {
+ if (out->surfaceparms == -1)
+ {
+ c++;
+ Con_DPrintf("%s: No shader found for texture \"%s\"\n", loadmodel->name, out->name);
+ out->surfaceparms = 0;
+ // these are defaults
+ if (!strcmp(out->name, "caulk") || !strcmp(out->name, "common/caulk") || !strcmp(out->name, "textures/common/caulk")
+ || !strcmp(out->name, "nodraw") || !strcmp(out->name, "common/nodraw") || !strcmp(out->name, "textures/common/nodraw"))
+ out->surfaceparms |= Q3SURFACEPARM_NODRAW;
+ if (!strncmp(out->name, "textures/skies/", 15))
+ out->surfaceparms |= Q3SURFACEPARM_SKY;
+ if (R_TextureHasAlpha(out->skin.base))
+ out->surfaceparms |= Q3SURFACEPARM_TRANS;
+ }
+ }
+ Con_DPrintf("%s: %i textures missing shaders\n", loadmodel->name, c);
+}
+
+static void Mod_Q3BSP_LoadPlanes(lump_t *l)
+{
+ q3dplane_t *in;
+ mplane_t *out;
+ int i, count;
+
+ in = (void *)(mod_base + l->fileofs);
+ if (l->filelen % sizeof(*in))
+ Host_Error("Mod_Q3BSP_LoadPlanes: funny lump size in %s",loadmodel->name);
+ count = l->filelen / sizeof(*in);
+ out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
+
+ loadmodel->brushq3.data_planes = out;
+ loadmodel->brushq3.num_planes = count;
+
+ for (i = 0;i < count;i++, in++, out++)
+ {
+ out->normal[0] = LittleLong(in->normal[0]);
+ out->normal[1] = LittleLong(in->normal[1]);
+ out->normal[2] = LittleLong(in->normal[2]);
+ out->dist = LittleLong(in->dist);
+ PlaneClassify(out);
+ }
+}
+
+static void Mod_Q3BSP_LoadBrushSides(lump_t *l)
+{
+ q3dbrushside_t *in;
+ q3mbrushside_t *out;
+ int i, n, count;
+
+ in = (void *)(mod_base + l->fileofs);
+ if (l->filelen % sizeof(*in))
+ Host_Error("Mod_Q3BSP_LoadBrushSides: funny lump size in %s",loadmodel->name);
+ count = l->filelen / sizeof(*in);
+ out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
+
+ loadmodel->brushq3.data_brushsides = out;
+ loadmodel->brushq3.num_brushsides = count;
+
+ for (i = 0;i < count;i++, in++, out++)
+ {
+ n = LittleLong(in->planeindex);
+ if (n < 0 || n >= loadmodel->brushq3.num_planes)
+ Host_Error("Mod_Q3BSP_LoadBrushSides: invalid planeindex %i (%i planes)\n", n, loadmodel->brushq3.num_planes);
+ out->plane = loadmodel->brushq3.data_planes + n;
+ n = LittleLong(in->textureindex);
+ if (n < 0 || n >= loadmodel->brushq3.num_textures)
+ Host_Error("Mod_Q3BSP_LoadBrushSides: invalid textureindex %i (%i textures)\n", n, loadmodel->brushq3.num_textures);
+ out->texture = loadmodel->brushq3.data_textures + n;
+ }
+}
+
+static void Mod_Q3BSP_LoadBrushes(lump_t *l)
+{
+ q3dbrush_t *in;
+ q3mbrush_t *out;
+ int i, j, n, c, count, maxplanes;
+ mplane_t *planes;
+ winding_t *temp1, *temp2;
+
+ in = (void *)(mod_base + l->fileofs);
+ if (l->filelen % sizeof(*in))
+ Host_Error("Mod_Q3BSP_LoadBrushes: funny lump size in %s",loadmodel->name);
+ count = l->filelen / sizeof(*in);
+ out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
+
+ loadmodel->brushq3.data_brushes = out;
+ loadmodel->brushq3.num_brushes = count;
+
+ temp1 = Winding_New(64);
+ temp2 = Winding_New(64);
+
+ maxplanes = 0;
+ planes = NULL;
+
+ for (i = 0;i < count;i++, in++, out++)
+ {
+ n = LittleLong(in->firstbrushside);
+ c = LittleLong(in->numbrushsides);
+ if (n < 0 || n + c > loadmodel->brushq3.num_brushsides)
+ Host_Error("Mod_Q3BSP_LoadBrushes: invalid brushside range %i : %i (%i brushsides)\n", n, n + c, loadmodel->brushq3.num_brushsides);
+ out->firstbrushside = loadmodel->brushq3.data_brushsides + n;
+ out->numbrushsides = c;
+ n = LittleLong(in->textureindex);
+ if (n < 0 || n >= loadmodel->brushq3.num_textures)
+ Host_Error("Mod_Q3BSP_LoadBrushes: invalid textureindex %i (%i textures)\n", n, loadmodel->brushq3.num_textures);
+ out->texture = loadmodel->brushq3.data_textures + n;
+
+ // make a list of mplane_t structs to construct a colbrush from
+ if (maxplanes < out->numbrushsides)
+ {
+ maxplanes = out->numbrushsides;
+ if (planes)
+ Mem_Free(planes);
+ planes = Mem_Alloc(tempmempool, sizeof(mplane_t) * maxplanes);
+ }
+ for (j = 0;j < out->numbrushsides;j++)
+ {
+ VectorCopy(out->firstbrushside[j].plane->normal, planes[j].normal);
+ planes[j].dist = out->firstbrushside[j].plane->dist;
+ }
+ // make the colbrush from the planes
+ out->colbrushf = Collision_NewBrushFromPlanes(loadmodel->mempool, out->numbrushsides, planes, out->texture->supercontents, temp1, temp2);
+ }
+ if (planes)
+ Mem_Free(planes);
+ Winding_Free(temp1);
+ Winding_Free(temp2);
+}
+
+static void Mod_Q3BSP_LoadEffects(lump_t *l)
+{
+ q3deffect_t *in;
+ q3meffect_t *out;
+ int i, n, count;
+
+ in = (void *)(mod_base + l->fileofs);
+ if (l->filelen % sizeof(*in))
+ Host_Error("Mod_Q3BSP_LoadEffects: funny lump size in %s",loadmodel->name);
+ count = l->filelen / sizeof(*in);
+ out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
+
+ loadmodel->brushq3.data_effects = out;
+ loadmodel->brushq3.num_effects = count;
+
+ for (i = 0;i < count;i++, in++, out++)
+ {
+ strlcpy (out->shadername, in->shadername, sizeof (out->shadername));
+ n = LittleLong(in->brushindex);
+ if (n < 0 || n >= loadmodel->brushq3.num_brushes)
+ Host_Error("Mod_Q3BSP_LoadEffects: invalid brushindex %i (%i brushes)\n", n, loadmodel->brushq3.num_brushes);
+ out->brush = loadmodel->brushq3.data_brushes + n;
+ out->unknown = LittleLong(in->unknown);
+ }
+}
+
+static void Mod_Q3BSP_LoadVertices(lump_t *l)
+{
+ q3dvertex_t *in;
+ int i, count;
+
+ in = (void *)(mod_base + l->fileofs);
+ if (l->filelen % sizeof(*in))
+ Host_Error("Mod_Q3BSP_LoadVertices: funny lump size in %s",loadmodel->name);
+ loadmodel->brushq3.num_vertices = count = l->filelen / sizeof(*in);
+ loadmodel->brushq3.data_vertex3f = Mem_Alloc(loadmodel->mempool, count * (sizeof(float) * (3 + 2 + 2 + 3 + 3 + 3 + 4)));
+ loadmodel->brushq3.data_texcoordtexture2f = loadmodel->brushq3.data_vertex3f + count * 3;
+ loadmodel->brushq3.data_texcoordlightmap2f = loadmodel->brushq3.data_texcoordtexture2f + count * 2;
+ loadmodel->brushq3.data_svector3f = loadmodel->brushq3.data_texcoordlightmap2f + count * 2;
+ loadmodel->brushq3.data_tvector3f = loadmodel->brushq3.data_svector3f + count * 3;
+ loadmodel->brushq3.data_normal3f = loadmodel->brushq3.data_tvector3f + count * 3;
+ loadmodel->brushq3.data_color4f = loadmodel->brushq3.data_normal3f + count * 3;
+
+ for (i = 0;i < count;i++, in++)
+ {
+ loadmodel->brushq3.data_vertex3f[i * 3 + 0] = LittleFloat(in->origin3f[0]);
+ loadmodel->brushq3.data_vertex3f[i * 3 + 1] = LittleFloat(in->origin3f[1]);
+ loadmodel->brushq3.data_vertex3f[i * 3 + 2] = LittleFloat(in->origin3f[2]);
+ loadmodel->brushq3.data_texcoordtexture2f[i * 2 + 0] = LittleFloat(in->texcoord2f[0]);
+ loadmodel->brushq3.data_texcoordtexture2f[i * 2 + 1] = LittleFloat(in->texcoord2f[1]);
+ loadmodel->brushq3.data_texcoordlightmap2f[i * 2 + 0] = LittleFloat(in->lightmap2f[0]);
+ loadmodel->brushq3.data_texcoordlightmap2f[i * 2 + 1] = LittleFloat(in->lightmap2f[1]);
+ // svector/tvector are calculated later in face loading
+ loadmodel->brushq3.data_svector3f[i * 3 + 0] = 0;
+ loadmodel->brushq3.data_svector3f[i * 3 + 1] = 0;
+ loadmodel->brushq3.data_svector3f[i * 3 + 2] = 0;
+ loadmodel->brushq3.data_tvector3f[i * 3 + 0] = 0;
+ loadmodel->brushq3.data_tvector3f[i * 3 + 1] = 0;
+ loadmodel->brushq3.data_tvector3f[i * 3 + 2] = 0;
+ loadmodel->brushq3.data_normal3f[i * 3 + 0] = LittleFloat(in->normal3f[0]);
+ loadmodel->brushq3.data_normal3f[i * 3 + 1] = LittleFloat(in->normal3f[1]);
+ loadmodel->brushq3.data_normal3f[i * 3 + 2] = LittleFloat(in->normal3f[2]);
+ loadmodel->brushq3.data_color4f[i * 4 + 0] = in->color4ub[0] * (1.0f / 255.0f);
+ loadmodel->brushq3.data_color4f[i * 4 + 1] = in->color4ub[1] * (1.0f / 255.0f);
+ loadmodel->brushq3.data_color4f[i * 4 + 2] = in->color4ub[2] * (1.0f / 255.0f);
+ loadmodel->brushq3.data_color4f[i * 4 + 3] = in->color4ub[3] * (1.0f / 255.0f);
+ }
+}
+
+static void Mod_Q3BSP_LoadTriangles(lump_t *l)
+{
+ int *in;
+ int *out;
+ int i, count;
+
+ in = (void *)(mod_base + l->fileofs);
+ if (l->filelen % sizeof(int[3]))
+ Host_Error("Mod_Q3BSP_LoadTriangles: funny lump size in %s",loadmodel->name);
+ count = l->filelen / sizeof(*in);
+ out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out) * 2);
+
+ loadmodel->brushq3.num_triangles = count / 3;
+ loadmodel->brushq3.data_element3i = out;
+ loadmodel->brushq3.data_neighbor3i = out + count;
+
+ for (i = 0;i < count;i++, in++, out++)
+ {
+ *out = LittleLong(*in);
+ if (*out < 0 || *out >= loadmodel->brushq3.num_vertices)
+ {
+ Con_Printf("Mod_Q3BSP_LoadTriangles: invalid vertexindex %i (%i vertices), setting to 0\n", *out, loadmodel->brushq3.num_vertices);
+ *out = 0;
+ }
+ }
+}
+
+static void Mod_Q3BSP_LoadLightmaps(lump_t *l)
+{
+ q3dlightmap_t *in;
+ rtexture_t **out;
+ int i, count;
+
+ if (!l->filelen)
+ return;
+ in = (void *)(mod_base + l->fileofs);
+ if (l->filelen % sizeof(*in))
+ Host_Error("Mod_Q3BSP_LoadLightmaps: funny lump size in %s",loadmodel->name);
+ count = l->filelen / sizeof(*in);
+ out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
+
+ loadmodel->brushq3.data_lightmaps = out;
+ loadmodel->brushq3.num_lightmaps = count;
+
+ for (i = 0;i < count;i++, in++, out++)
+ *out = R_LoadTexture2D(loadmodel->texturepool, va("lightmap%04i", i), 128, 128, in->rgb, TEXTYPE_RGB, TEXF_FORCELINEAR | TEXF_PRECACHE, NULL);
+}
+
+static void Mod_Q3BSP_LoadFaces(lump_t *l)
+{
+ q3dface_t *in;
+ q3mface_t *out;
+ int i, j, n, count, invalidelements, patchsize[2], finalwidth, finalheight, xlevel, ylevel, row0, row1, x, y, *e, finalvertices, finaltriangles;
+ //int *originalelement3i;
+ //int *originalneighbor3i;
+ float *originalvertex3f;
+ //float *originalsvector3f;
+ //float *originaltvector3f;
+ //float *originalnormal3f;
+ float *originalcolor4f;
+ float *originaltexcoordtexture2f;
+ float *originaltexcoordlightmap2f;
+ float *v;
+
+ in = (void *)(mod_base + l->fileofs);
+ if (l->filelen % sizeof(*in))
+ Host_Error("Mod_Q3BSP_LoadFaces: funny lump size in %s",loadmodel->name);
+ count = l->filelen / sizeof(*in);
+ out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
+
+ loadmodel->brushq3.data_faces = out;
+ loadmodel->brushq3.num_faces = count;
+
+ for (i = 0;i < count;i++, in++, out++)
+ {
+ // check face type first
+ out->type = LittleLong(in->type);
+ if (out->type != Q3FACETYPE_POLYGON
+ && out->type != Q3FACETYPE_PATCH
+ && out->type != Q3FACETYPE_MESH
+ && out->type != Q3FACETYPE_FLARE)
+ {
+ Con_DPrintf("Mod_Q3BSP_LoadFaces: face #%i: unknown face type %i\n", i, out->type);
+ out->num_vertices = 0;
+ out->num_triangles = 0;
+ out->type = 0; // error
+ continue;
+ }
+
+ n = LittleLong(in->textureindex);
+ if (n < 0 || n >= loadmodel->brushq3.num_textures)
+ {
+ Con_DPrintf("Mod_Q3BSP_LoadFaces: face #%i: invalid textureindex %i (%i textures)\n", i, n, loadmodel->brushq3.num_textures);
+ out->num_vertices = 0;
+ out->num_triangles = 0;
+ out->type = 0; // error
+ continue;
+ n = 0;
+ }
+ out->texture = loadmodel->brushq3.data_textures + n;
+ n = LittleLong(in->effectindex);
+ if (n < -1 || n >= loadmodel->brushq3.num_effects)
+ {
+ Con_DPrintf("Mod_Q3BSP_LoadFaces: face #%i (texture \"%s\"): invalid effectindex %i (%i effects)\n", i, out->texture->name, n, loadmodel->brushq3.num_effects);
+ n = -1;
+ }
+ if (n == -1)
+ out->effect = NULL;
+ else
+ out->effect = loadmodel->brushq3.data_effects + n;
+ n = LittleLong(in->lightmapindex);
+ if (n < -1 || n >= loadmodel->brushq3.num_lightmaps)
+ {
+ Con_DPrintf("Mod_Q3BSP_LoadFaces: face #%i (texture \"%s\"): invalid lightmapindex %i (%i lightmaps)\n", i, out->texture->name, n, loadmodel->brushq3.num_lightmaps);
+ n = -1;
+ }
+ if (n == -1)
+ out->lightmaptexture = NULL;
+ else
+ out->lightmaptexture = loadmodel->brushq3.data_lightmaps[n];
+
+ out->firstvertex = LittleLong(in->firstvertex);
+ out->num_vertices = LittleLong(in->numvertices);
+ out->firstelement = LittleLong(in->firstelement);
+ out->num_triangles = LittleLong(in->numelements) / 3;
+ if (out->num_triangles * 3 != LittleLong(in->numelements))
+ {
+ Con_Printf("Mod_Q3BSP_LoadFaces: face #%i (texture \"%s\"): numelements %i is not a multiple of 3\n", i, out->texture->name, LittleLong(in->numelements));
+ out->num_vertices = 0;
+ out->num_triangles = 0;
+ out->type = 0; // error
+ continue;
+ }
+ if (out->firstvertex < 0 || out->firstvertex + out->num_vertices > loadmodel->brushq3.num_vertices)
+ {
+ Con_Printf("Mod_Q3BSP_LoadFaces: face #%i (texture \"%s\"): invalid vertex range %i : %i (%i vertices)\n", i, out->texture->name, out->firstvertex, out->firstvertex + out->num_vertices, loadmodel->brushq3.num_vertices);
+ out->num_vertices = 0;
+ out->num_triangles = 0;
+ out->type = 0; // error
+ continue;
+ }
+ if (out->firstelement < 0 || out->firstelement + out->num_triangles * 3 > loadmodel->brushq3.num_triangles * 3)
+ {
+ Con_Printf("Mod_Q3BSP_LoadFaces: face #%i (texture \"%s\"): invalid element range %i : %i (%i elements)\n", i, out->texture->name, out->firstelement, out->firstelement + out->num_triangles * 3, loadmodel->brushq3.num_triangles * 3);
+ out->num_vertices = 0;
+ out->num_triangles = 0;
+ out->type = 0; // error
+ continue;
+ }
+ switch(out->type)
+ {
+ case Q3FACETYPE_POLYGON:
+ case Q3FACETYPE_MESH:
+ // no processing necessary
+ out->data_vertex3f = loadmodel->brushq3.data_vertex3f + out->firstvertex * 3;
+ out->data_texcoordtexture2f = loadmodel->brushq3.data_texcoordtexture2f + out->firstvertex * 2;
+ out->data_texcoordlightmap2f = loadmodel->brushq3.data_texcoordlightmap2f + out->firstvertex * 2;
+ out->data_svector3f = loadmodel->brushq3.data_svector3f + out->firstvertex * 3;
+ out->data_tvector3f = loadmodel->brushq3.data_tvector3f + out->firstvertex * 3;
+ out->data_normal3f = loadmodel->brushq3.data_normal3f + out->firstvertex * 3;
+ out->data_color4f = loadmodel->brushq3.data_color4f + out->firstvertex * 4;
+ out->data_element3i = loadmodel->brushq3.data_element3i + out->firstelement;
+ out->data_neighbor3i = loadmodel->brushq3.data_neighbor3i + out->firstelement;
+ break;
+ case Q3FACETYPE_PATCH:
+ patchsize[0] = LittleLong(in->specific.patch.patchsize[0]);
+ patchsize[1] = LittleLong(in->specific.patch.patchsize[1]);
+ if (patchsize[0] < 1 || patchsize[1] < 1)
+ {
+ Con_Printf("Mod_Q3BSP_LoadFaces: face #%i (texture \"%s\"): invalid patchsize %ix%i\n", i, out->texture->name, patchsize[0], patchsize[1]);
+ out->num_vertices = 0;
+ out->num_triangles = 0;
+ out->type = 0; // error
+ continue;
+ }
+ // convert patch to Q3FACETYPE_MESH
+ xlevel = mod_q3bsp_curves_subdivide_level.integer;
+ ylevel = mod_q3bsp_curves_subdivide_level.integer;
+ finalwidth = ((patchsize[0] - 1) << xlevel) + 1;
+ finalheight = ((patchsize[1] - 1) << ylevel) + 1;
+ finalvertices = finalwidth * finalheight;
+ finaltriangles = (finalwidth - 1) * (finalheight - 1) * 2;
+ originalvertex3f = loadmodel->brushq3.data_vertex3f + out->firstvertex * 3;
+ //originalsvector3f = loadmodel->brushq3.data_svector3f + out->firstvertex * 3;
+ //originaltvector3f = loadmodel->brushq3.data_tvector3f + out->firstvertex * 3;
+ //originalnormal3f = loadmodel->brushq3.data_normal3f + out->firstvertex * 3;
+ originaltexcoordtexture2f = loadmodel->brushq3.data_texcoordtexture2f + out->firstvertex * 2;
+ originaltexcoordlightmap2f = loadmodel->brushq3.data_texcoordlightmap2f + out->firstvertex * 2;
+ originalcolor4f = loadmodel->brushq3.data_color4f + out->firstvertex * 4;
+ //originalelement3i = loadmodel->brushq3.data_element3i + out->firstelement;
+ //originalneighbor3i = loadmodel->brushq3.data_neighbor3i + out->firstelement;
+ /*
+ originalvertex3f = out->data_vertex3f;
+ //originalsvector3f = out->data_svector3f;
+ //originaltvector3f = out->data_tvector3f;
+ //originalnormal3f = out->data_normal3f;
+ originalcolor4f = out->data_color4f;
+ originaltexcoordtexture2f = out->data_texcoordtexture2f;
+ originaltexcoordlightmap2f = out->data_texcoordlightmap2f;
+ //originalelement3i = out->data_element3i;
+ //originalneighbor3i = out->data_neighbor3i;
+ */
+ out->data_vertex3f = Mem_Alloc(loadmodel->mempool, sizeof(float[20]) * finalvertices);
+ out->data_svector3f = out->data_vertex3f + finalvertices * 3;
+ out->data_tvector3f = out->data_svector3f + finalvertices * 3;
+ out->data_normal3f = out->data_tvector3f + finalvertices * 3;
+ out->data_color4f = out->data_normal3f + finalvertices * 3;
+ out->data_texcoordtexture2f = out->data_color4f + finalvertices * 4;
+ out->data_texcoordlightmap2f = out->data_texcoordtexture2f + finalvertices * 2;
+ out->data_element3i = Mem_Alloc(loadmodel->mempool, sizeof(int[6]) * finaltriangles);
+ out->data_neighbor3i = out->data_element3i + finaltriangles * 3;
+ out->type = Q3FACETYPE_MESH;
+ out->firstvertex = -1;
+ out->num_vertices = finalvertices;
+ out->firstelement = -1;
+ out->num_triangles = finaltriangles;
+ // generate geometry
+ // (note: normals are skipped because they get recalculated)
+ QuadraticSplinePatchSubdivideFloatBuffer(patchsize[0], patchsize[1], xlevel, ylevel, 3, originalvertex3f, out->data_vertex3f);
+ QuadraticSplinePatchSubdivideFloatBuffer(patchsize[0], patchsize[1], xlevel, ylevel, 2, originaltexcoordtexture2f, out->data_texcoordtexture2f);
+ QuadraticSplinePatchSubdivideFloatBuffer(patchsize[0], patchsize[1], xlevel, ylevel, 2, originaltexcoordlightmap2f, out->data_texcoordlightmap2f);
+ QuadraticSplinePatchSubdivideFloatBuffer(patchsize[0], patchsize[1], xlevel, ylevel, 4, originalcolor4f, out->data_color4f);
+ // generate elements
+ e = out->data_element3i;
+ for (y = 0;y < finalheight - 1;y++)
+ {
+ row0 = (y + 0) * finalwidth;
+ row1 = (y + 1) * finalwidth;
+ for (x = 0;x < finalwidth - 1;x++)
+ {
+ *e++ = row0;
+ *e++ = row1;
+ *e++ = row0 + 1;
+ *e++ = row1;
+ *e++ = row1 + 1;
+ *e++ = row0 + 1;
+ row0++;
+ row1++;
+ }
+ }
+ out->num_triangles = Mod_RemoveDegenerateTriangles(out->num_triangles, out->data_element3i, out->data_element3i, out->data_vertex3f);
+ if (developer.integer)
+ {
+ if (out->num_triangles < finaltriangles)
+ Con_Printf("Mod_Q3BSP_LoadFaces: %ix%i curve subdivided to %i vertices / %i triangles, %i degenerate triangles removed (leaving %i)\n", patchsize[0], patchsize[1], out->num_vertices, finaltriangles, finaltriangles - out->num_triangles, out->num_triangles);
+ else
+ Con_Printf("Mod_Q3BSP_LoadFaces: %ix%i curve subdivided to %i vertices / %i triangles\n", patchsize[0], patchsize[1], out->num_vertices, out->num_triangles);
+ }
+ // q3map does not put in collision brushes for curves... ugh
+ out->collisions = true;
+ break;
+ case Q3FACETYPE_FLARE:
+ Con_DPrintf("Mod_Q3BSP_LoadFaces: face #%i (texture \"%s\"): Q3FACETYPE_FLARE not supported (yet)\n", i, out->texture->name);
+ // don't render it
+ out->num_vertices = 0;
+ out->num_triangles = 0;
+ out->type = 0;
+ break;
+ }
+ for (j = 0, invalidelements = 0;j < out->num_triangles * 3;j++)
+ if (out->data_element3i[j] < 0 || out->data_element3i[j] >= out->num_vertices)
+ invalidelements++;
+ if (invalidelements)
+ {
+ Con_Printf("Mod_Q3BSP_LoadFaces: Warning: face #%i has %i invalid elements, type = %i, texture->name = \"%s\", texture->surfaceflags = %i, texture->nativecontents = %i, firstvertex = %i, numvertices = %i, firstelement = %i, numelements = %i, elements list:\n", i, invalidelements, out->type, out->texture->name, out->texture->surfaceflags, out->texture->nativecontents, out->firstvertex, out->num_vertices, out->firstelement, out->num_triangles * 3);
+ for (j = 0;j < out->num_triangles * 3;j++)
+ {
+ Con_Printf(" %i", out->data_element3i[j]);
+ if (out->data_element3i[j] < 0 || out->data_element3i[j] >= out->num_vertices)
+ out->data_element3i[j] = 0;
+ }
+ Con_Printf("\n");
+ }
+ // for shadow volumes
+ Mod_BuildTriangleNeighbors(out->data_neighbor3i, out->data_element3i, out->num_triangles);
+ // for per pixel lighting
+ Mod_BuildTextureVectorsAndNormals(out->num_vertices, out->num_triangles, out->data_vertex3f, out->data_texcoordtexture2f, out->data_element3i, out->data_svector3f, out->data_tvector3f, out->data_normal3f);
+ // calculate a bounding box
+ VectorClear(out->mins);
+ VectorClear(out->maxs);
+ if (out->num_vertices)
+ {
+ VectorCopy(out->data_vertex3f, out->mins);
+ VectorCopy(out->data_vertex3f, out->maxs);
+ for (j = 1, v = out->data_vertex3f + 3;j < out->num_vertices;j++, v += 3)
+ {
+ out->mins[0] = min(out->mins[0], v[0]);
+ out->maxs[0] = max(out->maxs[0], v[0]);
+ out->mins[1] = min(out->mins[1], v[1]);
+ out->maxs[1] = max(out->maxs[1], v[1]);
+ out->mins[2] = min(out->mins[2], v[2]);
+ out->maxs[2] = max(out->maxs[2], v[2]);
+ }
+ out->mins[0] -= 1.0f;
+ out->mins[1] -= 1.0f;
+ out->mins[2] -= 1.0f;
+ out->maxs[0] += 1.0f;
+ out->maxs[1] += 1.0f;
+ out->maxs[2] += 1.0f;
+ }
+ }
+
+ // LordHavoc: experimental array merger (disabled because it wastes time and uses 2x memory while merging)
+ /*
+ {
+ int totalverts, totaltris;
+ int originalnum_vertices;
+ float *originaldata_vertex3f;
+ float *originaldata_texcoordtexture2f;
+ float *originaldata_texcoordlightmap2f;
+ float *originaldata_svector3f;
+ float *originaldata_tvector3f;
+ float *originaldata_normal3f;
+ float *originaldata_color4f;
+ int originalnum_triangles;
+ int *originaldata_element3i;
+ int *originaldata_neighbor3i;
+
+ totalverts = 0;
+ totaltris = 0;
+ for (i = 0, out = loadmodel->brushq3.data_faces;i < count;i++, out++)
+ {
+ if (!out->type)
+ continue;
+ totalverts += out->num_vertices;
+ totaltris += out->num_triangles;
+ }
+
+ originalnum_vertices = loadmodel->brushq3.num_vertices;
+ originaldata_vertex3f = loadmodel->brushq3.data_vertex3f;
+ originaldata_texcoordtexture2f = loadmodel->brushq3.data_texcoordtexture2f;
+ originaldata_texcoordlightmap2f = loadmodel->brushq3.data_texcoordlightmap2f;
+ originaldata_svector3f = loadmodel->brushq3.data_svector3f;
+ originaldata_tvector3f = loadmodel->brushq3.data_tvector3f;
+ originaldata_normal3f = loadmodel->brushq3.data_normal3f;
+ originaldata_color4f = loadmodel->brushq3.data_color4f;
+ originalnum_triangles = loadmodel->brushq3.num_triangles;
+ originaldata_element3i = loadmodel->brushq3.data_element3i;
+ originaldata_neighbor3i = loadmodel->brushq3.data_neighbor3i;
+ loadmodel->brushq3.num_vertices = totalverts;
+ loadmodel->brushq3.data_vertex3f = Mem_Alloc(loadmodel->mempool, totalverts * (sizeof(float) * (3 + 2 + 2 + 3 + 3 + 3 + 4)) + totaltris * (sizeof(int) * (3 * 2)));
+ loadmodel->brushq3.data_texcoordtexture2f = loadmodel->brushq3.data_vertex3f + totalverts * 3;
+ loadmodel->brushq3.data_texcoordlightmap2f = loadmodel->brushq3.data_texcoordtexture2f + totalverts * 2;
+ loadmodel->brushq3.data_svector3f = loadmodel->brushq3.data_texcoordlightmap2f + totalverts * 2;
+ loadmodel->brushq3.data_tvector3f = loadmodel->brushq3.data_svector3f + totalverts * 3;
+ loadmodel->brushq3.data_normal3f = loadmodel->brushq3.data_tvector3f + totalverts * 3;
+ loadmodel->brushq3.data_color4f = loadmodel->brushq3.data_normal3f + totalverts * 3;
+ loadmodel->brushq3.num_triangles = totaltris;
+ loadmodel->brushq3.data_element3i = (int *)(loadmodel->brushq3.data_color4f + totalverts * 4);
+ loadmodel->brushq3.data_neighbor3i = loadmodel->brushq3.data_element3i + totaltris * 3;
+ totalverts = 0;
+ totaltris = 0;
+ for (i = 0, out = loadmodel->brushq3.data_faces;i < count;i++, out++)
+ {
+ if (!out->type)
+ continue;
+ Con_Printf("totalverts %i, totaltris %i\n", totalverts, totaltris);
+ memcpy(loadmodel->brushq3.data_vertex3f + totalverts * 3, out->data_vertex3f, out->num_vertices * 3 * sizeof(float));
+ memcpy(loadmodel->brushq3.data_texcoordtexture2f + totalverts * 2, out->data_texcoordtexture2f, out->num_vertices * 2 * sizeof(float));
+ memcpy(loadmodel->brushq3.data_texcoordlightmap2f + totalverts * 2, out->data_texcoordlightmap2f, out->num_vertices * 2 * sizeof(float));
+ memcpy(loadmodel->brushq3.data_svector3f + totalverts * 3, out->data_svector3f, out->num_vertices * 3 * sizeof(float));
+ memcpy(loadmodel->brushq3.data_tvector3f + totalverts * 3, out->data_tvector3f, out->num_vertices * 3 * sizeof(float));
+ memcpy(loadmodel->brushq3.data_normal3f + totalverts * 3, out->data_normal3f, out->num_vertices * 3 * sizeof(float));
+ memcpy(loadmodel->brushq3.data_color4f + totalverts * 4, out->data_color4f, out->num_vertices * 4 * sizeof(float));
+ memcpy(loadmodel->brushq3.data_element3i + totaltris * 3, out->data_element3i, out->num_triangles * 3 * sizeof(int));
+ memcpy(loadmodel->brushq3.data_neighbor3i + totaltris * 3, out->data_neighbor3i, out->num_triangles * 3 * sizeof(int));
+ if (out->firstvertex == -1)
+ Mem_Free(out->data_vertex3f);
+ if (out->firstelement == -1)
+ Mem_Free(out->data_element3i);
+ out->firstvertex = totalverts;
+ out->data_vertex3f = loadmodel->brushq3.data_vertex3f + out->firstvertex * 3;
+ out->data_texcoordtexture2f = loadmodel->brushq3.data_texcoordtexture2f + out->firstvertex * 2;
+ out->data_texcoordlightmap2f = loadmodel->brushq3.data_texcoordlightmap2f + out->firstvertex * 2;
+ out->data_svector3f = loadmodel->brushq3.data_svector3f + out->firstvertex * 3;
+ out->data_tvector3f = loadmodel->brushq3.data_tvector3f + out->firstvertex * 3;
+ out->data_normal3f = loadmodel->brushq3.data_normal3f + out->firstvertex * 3;
+ out->data_color4f = loadmodel->brushq3.data_color4f + out->firstvertex * 4;
+ out->firstelement = totaltris * 3;
+ out->data_element3i = loadmodel->brushq3.data_element3i + out->firstelement;
+ out->data_neighbor3i = loadmodel->brushq3.data_neighbor3i + out->firstelement;
+ //for (j = 0;j < out->numtriangles * 3;j++)
+ // out->data_element3i[j] += totalverts - out->firstvertex;
+ totalverts += out->num_vertices;
+ totaltris += out->num_triangles;
+ }
+ Mem_Free(originaldata_vertex3f);
+ Mem_Free(originaldata_element3i);
+ }
+ */
+}
+
+static void Mod_Q3BSP_LoadModels(lump_t *l)
+{
+ q3dmodel_t *in;
+ q3mmodel_t *out;
+ int i, j, n, c, count;
+
+ in = (void *)(mod_base + l->fileofs);
+ if (l->filelen % sizeof(*in))
+ Host_Error("Mod_Q3BSP_LoadModels: funny lump size in %s",loadmodel->name);
+ count = l->filelen / sizeof(*in);
+ out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
+
+ loadmodel->brushq3.data_models = out;
+ loadmodel->brushq3.num_models = count;
+
+ for (i = 0;i < count;i++, in++, out++)
+ {
+ for (j = 0;j < 3;j++)
+ {
+ out->mins[j] = LittleFloat(in->mins[j]);
+ out->maxs[j] = LittleFloat(in->maxs[j]);
+ }
+ n = LittleLong(in->firstface);
+ c = LittleLong(in->numfaces);
+ if (n < 0 || n + c > loadmodel->brushq3.num_faces)
+ Host_Error("Mod_Q3BSP_LoadModels: invalid face range %i : %i (%i faces)\n", n, n + c, loadmodel->brushq3.num_faces);
+ out->firstface = loadmodel->brushq3.data_faces + n;
+ out->numfaces = c;
+ n = LittleLong(in->firstbrush);
+ c = LittleLong(in->numbrushes);
+ if (n < 0 || n + c > loadmodel->brushq3.num_brushes)
+ Host_Error("Mod_Q3BSP_LoadModels: invalid brush range %i : %i (%i brushes)\n", n, n + c, loadmodel->brushq3.num_brushes);
+ out->firstbrush = loadmodel->brushq3.data_brushes + n;
+ out->numbrushes = c;
+ }
+}
+
+static void Mod_Q3BSP_LoadLeafBrushes(lump_t *l)
+{
+ int *in;
+ q3mbrush_t **out;
+ int i, n, count;
+
+ in = (void *)(mod_base + l->fileofs);
+ if (l->filelen % sizeof(*in))
+ Host_Error("Mod_Q3BSP_LoadLeafBrushes: funny lump size in %s",loadmodel->name);
+ count = l->filelen / sizeof(*in);
+ out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
+
+ loadmodel->brushq3.data_leafbrushes = out;
+ loadmodel->brushq3.num_leafbrushes = count;
+
+ for (i = 0;i < count;i++, in++, out++)
+ {
+ n = LittleLong(*in);
+ if (n < 0 || n >= loadmodel->brushq3.num_brushes)
+ Host_Error("Mod_Q3BSP_LoadLeafBrushes: invalid brush index %i (%i brushes)\n", n, loadmodel->brushq3.num_brushes);
+ *out = loadmodel->brushq3.data_brushes + n;
+ }
+}
+
+static void Mod_Q3BSP_LoadLeafFaces(lump_t *l)
+{
+ int *in;
+ q3mface_t **out;
+ int i, n, count;
+
+ in = (void *)(mod_base + l->fileofs);
+ if (l->filelen % sizeof(*in))
+ Host_Error("Mod_Q3BSP_LoadLeafFaces: funny lump size in %s",loadmodel->name);
+ count = l->filelen / sizeof(*in);
+ out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
+
+ loadmodel->brushq3.data_leaffaces = out;
+ loadmodel->brushq3.num_leaffaces = count;
+
+ for (i = 0;i < count;i++, in++, out++)
+ {
+ n = LittleLong(*in);
+ if (n < 0 || n >= loadmodel->brushq3.num_faces)
+ Host_Error("Mod_Q3BSP_LoadLeafFaces: invalid face index %i (%i faces)\n", n, loadmodel->brushq3.num_faces);
+ *out = loadmodel->brushq3.data_faces + n;
+ }
+}
+
+static void Mod_Q3BSP_LoadLeafs(lump_t *l)
+{
+ q3dleaf_t *in;
+ q3mleaf_t *out;
+ int i, j, n, c, count;
+
+ in = (void *)(mod_base + l->fileofs);
+ if (l->filelen % sizeof(*in))
+ Host_Error("Mod_Q3BSP_LoadLeafs: funny lump size in %s",loadmodel->name);
+ count = l->filelen / sizeof(*in);
+ out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
+
+ loadmodel->brushq3.data_leafs = out;
+ loadmodel->brushq3.num_leafs = count;
+
+ for (i = 0;i < count;i++, in++, out++)
+ {
+ out->parent = NULL;
+ out->plane = NULL;
+ out->clusterindex = LittleLong(in->clusterindex);
+ out->areaindex = LittleLong(in->areaindex);
+ for (j = 0;j < 3;j++)
+ {
+ // yes the mins/maxs are ints
+ out->mins[j] = LittleLong(in->mins[j]) - 1;
+ out->maxs[j] = LittleLong(in->maxs[j]) + 1;
+ }
+ n = LittleLong(in->firstleafface);
+ c = LittleLong(in->numleaffaces);
+ if (n < 0 || n + c > loadmodel->brushq3.num_leaffaces)
+ Host_Error("Mod_Q3BSP_LoadLeafs: invalid leafface range %i : %i (%i leaffaces)\n", n, n + c, loadmodel->brushq3.num_leaffaces);
+ out->firstleafface = loadmodel->brushq3.data_leaffaces + n;
+ out->numleaffaces = c;
+ n = LittleLong(in->firstleafbrush);
+ c = LittleLong(in->numleafbrushes);
+ if (n < 0 || n + c > loadmodel->brushq3.num_leafbrushes)
+ Host_Error("Mod_Q3BSP_LoadLeafs: invalid leafbrush range %i : %i (%i leafbrushes)\n", n, n + c, loadmodel->brushq3.num_leafbrushes);
+ out->firstleafbrush = loadmodel->brushq3.data_leafbrushes + n;
+ out->numleafbrushes = c;
+ }
+}
+
+static void Mod_Q3BSP_LoadNodes_RecursiveSetParent(q3mnode_t *node, q3mnode_t *parent)
+{
+ if (node->parent)
+ Host_Error("Mod_Q3BSP_LoadNodes_RecursiveSetParent: runaway recursion\n");
+ node->parent = parent;
+ if (node->plane)
+ {
+ Mod_Q3BSP_LoadNodes_RecursiveSetParent(node->children[0], node);
+ Mod_Q3BSP_LoadNodes_RecursiveSetParent(node->children[1], node);
+ }
+}
+
+static void Mod_Q3BSP_LoadNodes(lump_t *l)
+{
+ q3dnode_t *in;
+ q3mnode_t *out;
+ int i, j, n, count;
+
+ in = (void *)(mod_base + l->fileofs);
+ if (l->filelen % sizeof(*in))
+ Host_Error("Mod_Q3BSP_LoadNodes: funny lump size in %s",loadmodel->name);
+ count = l->filelen / sizeof(*in);
+ out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
+
+ loadmodel->brushq3.data_nodes = out;
+ loadmodel->brushq3.num_nodes = count;
+
+ for (i = 0;i < count;i++, in++, out++)
+ {
+ out->parent = NULL;
+ n = LittleLong(in->planeindex);
+ if (n < 0 || n >= loadmodel->brushq3.num_planes)
+ Host_Error("Mod_Q3BSP_LoadNodes: invalid planeindex %i (%i planes)\n", n, loadmodel->brushq3.num_planes);
+ out->plane = loadmodel->brushq3.data_planes + n;
+ for (j = 0;j < 2;j++)
+ {
+ n = LittleLong(in->childrenindex[j]);
+ if (n >= 0)
+ {
+ if (n >= loadmodel->brushq3.num_nodes)
+ Host_Error("Mod_Q3BSP_LoadNodes: invalid child node index %i (%i nodes)\n", n, loadmodel->brushq3.num_nodes);
+ out->children[j] = loadmodel->brushq3.data_nodes + n;
+ }
+ else
+ {
+ n = -1 - n;
+ if (n >= loadmodel->brushq3.num_leafs)
+ Host_Error("Mod_Q3BSP_LoadNodes: invalid child leaf index %i (%i leafs)\n", n, loadmodel->brushq3.num_leafs);
+ out->children[j] = (q3mnode_t *)(loadmodel->brushq3.data_leafs + n);
+ }
+ }
+ for (j = 0;j < 3;j++)
+ {
+ // yes the mins/maxs are ints
+ out->mins[j] = LittleLong(in->mins[j]) - 1;
+ out->maxs[j] = LittleLong(in->maxs[j]) + 1;
+ }
+ }
+
+ // set the parent pointers
+ Mod_Q3BSP_LoadNodes_RecursiveSetParent(loadmodel->brushq3.data_nodes, NULL);
+}
+
+static void Mod_Q3BSP_LoadLightGrid(lump_t *l)
+{
+ q3dlightgrid_t *in;
+ q3dlightgrid_t *out;
+ int count;
+
+ in = (void *)(mod_base + l->fileofs);
+ if (l->filelen % sizeof(*in))
+ Host_Error("Mod_Q3BSP_LoadLightGrid: funny lump size in %s",loadmodel->name);
+ loadmodel->brushq3.num_lightgrid_scale[0] = 1.0f / loadmodel->brushq3.num_lightgrid_cellsize[0];
+ loadmodel->brushq3.num_lightgrid_scale[1] = 1.0f / loadmodel->brushq3.num_lightgrid_cellsize[1];
+ loadmodel->brushq3.num_lightgrid_scale[2] = 1.0f / loadmodel->brushq3.num_lightgrid_cellsize[2];
+ loadmodel->brushq3.num_lightgrid_imins[0] = ceil(loadmodel->brushq3.data_models->mins[0] * loadmodel->brushq3.num_lightgrid_scale[0]);
+ loadmodel->brushq3.num_lightgrid_imins[1] = ceil(loadmodel->brushq3.data_models->mins[1] * loadmodel->brushq3.num_lightgrid_scale[1]);
+ loadmodel->brushq3.num_lightgrid_imins[2] = ceil(loadmodel->brushq3.data_models->mins[2] * loadmodel->brushq3.num_lightgrid_scale[2]);
+ loadmodel->brushq3.num_lightgrid_imaxs[0] = floor(loadmodel->brushq3.data_models->maxs[0] * loadmodel->brushq3.num_lightgrid_scale[0]);
+ loadmodel->brushq3.num_lightgrid_imaxs[1] = floor(loadmodel->brushq3.data_models->maxs[1] * loadmodel->brushq3.num_lightgrid_scale[1]);
+ loadmodel->brushq3.num_lightgrid_imaxs[2] = floor(loadmodel->brushq3.data_models->maxs[2] * loadmodel->brushq3.num_lightgrid_scale[2]);
+ loadmodel->brushq3.num_lightgrid_isize[0] = loadmodel->brushq3.num_lightgrid_imaxs[0] - loadmodel->brushq3.num_lightgrid_imins[0] + 1;
+ loadmodel->brushq3.num_lightgrid_isize[1] = loadmodel->brushq3.num_lightgrid_imaxs[1] - loadmodel->brushq3.num_lightgrid_imins[1] + 1;
+ loadmodel->brushq3.num_lightgrid_isize[2] = loadmodel->brushq3.num_lightgrid_imaxs[2] - loadmodel->brushq3.num_lightgrid_imins[2] + 1;
+ count = loadmodel->brushq3.num_lightgrid_isize[0] * loadmodel->brushq3.num_lightgrid_isize[1] * loadmodel->brushq3.num_lightgrid_isize[2];
+ if (l->filelen)
+ {
+ if (l->filelen < count * (int)sizeof(*in))
+ Host_Error("Mod_Q3BSP_LoadLightGrid: invalid lightgrid lump size %i bytes, should be %i bytes (%ix%ix%i)\n", l->filelen, count * sizeof(*in), loadmodel->brushq3.num_lightgrid_dimensions[0], loadmodel->brushq3.num_lightgrid_dimensions[1], loadmodel->brushq3.num_lightgrid_dimensions[2]);
+ if (l->filelen != count * (int)sizeof(*in))
+ Con_Printf("Mod_Q3BSP_LoadLightGrid: Warning: calculated lightgrid size %i bytes does not match lump size %i\n", count * sizeof(*in), l->filelen);
+ }
+
+ out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
+ loadmodel->brushq3.data_lightgrid = out;
+ loadmodel->brushq3.num_lightgrid = count;
+
+ // no swapping or validation necessary
+ if (l->filelen)
+ memcpy(out, in, count * (int)sizeof(*out));
+ else
+ {
+ // no data, fill with white
+ int i;
+ for (i = 0;i < count;i++)
+ {
+ out[i].ambientrgb[0] = 128;
+ out[i].ambientrgb[1] = 128;
+ out[i].ambientrgb[2] = 128;
+ out[i].diffusergb[0] = 0;
+ out[i].diffusergb[1] = 0;
+ out[i].diffusergb[2] = 0;
+ out[i].diffusepitch = 0;
+ out[i].diffuseyaw = 0;
+ }
+ }
+
+ Matrix4x4_CreateScale3(&loadmodel->brushq3.num_lightgrid_indexfromworld, loadmodel->brushq3.num_lightgrid_scale[0], loadmodel->brushq3.num_lightgrid_scale[1], loadmodel->brushq3.num_lightgrid_scale[2]);
+ Matrix4x4_ConcatTranslate(&loadmodel->brushq3.num_lightgrid_indexfromworld, -loadmodel->brushq3.num_lightgrid_imins[0] * loadmodel->brushq3.num_lightgrid_cellsize[0], -loadmodel->brushq3.num_lightgrid_imins[1] * loadmodel->brushq3.num_lightgrid_cellsize[1], -loadmodel->brushq3.num_lightgrid_imins[2] * loadmodel->brushq3.num_lightgrid_cellsize[2]);
+}
+
+static void Mod_Q3BSP_LoadPVS(lump_t *l)
+{
+ q3dpvs_t *in;
+ int totalchains;
+
+ if (l->filelen == 0)
+ {
+ int i;
+ // unvised maps often have cluster indices even without pvs, so check
+ // leafs to find real number of clusters
+ loadmodel->brushq3.num_pvsclusters = 1;
+ for (i = 0;i < loadmodel->brushq3.num_leafs;i++)
+ loadmodel->brushq3.num_pvsclusters = min(loadmodel->brushq3.num_pvsclusters, loadmodel->brushq3.data_leafs[i].clusterindex + 1);
+
+ // create clusters
+ loadmodel->brushq3.num_pvsclusterbytes = (loadmodel->brushq3.num_pvsclusters + 7) / 8;
+ totalchains = loadmodel->brushq3.num_pvsclusterbytes * loadmodel->brushq3.num_pvsclusters;
+ loadmodel->brushq3.data_pvsclusters = Mem_Alloc(loadmodel->mempool, totalchains);
+ memset(loadmodel->brushq3.data_pvsclusters, 0xFF, totalchains);
+ return;
+ }
+
+ in = (void *)(mod_base + l->fileofs);
+ if (l->filelen < 9)
+ Host_Error("Mod_Q3BSP_LoadPVS: funny lump size in %s",loadmodel->name);
+
+ loadmodel->brushq3.num_pvsclusters = LittleLong(in->numclusters);
+ loadmodel->brushq3.num_pvsclusterbytes = LittleLong(in->chainlength);
+ if (loadmodel->brushq3.num_pvsclusterbytes < ((loadmodel->brushq3.num_pvsclusters + 7) / 8))
+ Host_Error("Mod_Q3BSP_LoadPVS: (chainlength = %i) < ((numclusters = %i) + 7) / 8\n", loadmodel->brushq3.num_pvsclusterbytes, loadmodel->brushq3.num_pvsclusters);
+ totalchains = loadmodel->brushq3.num_pvsclusterbytes * loadmodel->brushq3.num_pvsclusters;
+ if (l->filelen < totalchains + (int)sizeof(*in))
+ Host_Error("Mod_Q3BSP_LoadPVS: lump too small ((numclusters = %i) * (chainlength = %i) + sizeof(q3dpvs_t) == %i bytes, lump is %i bytes)\n", loadmodel->brushq3.num_pvsclusters, loadmodel->brushq3.num_pvsclusterbytes, totalchains + sizeof(*in), l->filelen);
+
+ loadmodel->brushq3.data_pvsclusters = Mem_Alloc(loadmodel->mempool, totalchains);
+ memcpy(loadmodel->brushq3.data_pvsclusters, (qbyte *)(in + 1), totalchains);
+}
+
+static void Mod_Q3BSP_FindNonSolidLocation(model_t *model, const vec3_t in, vec3_t out, vec_t radius)
+{
+ // FIXME: finish this code
+ VectorCopy(in, out);
+}
+
+static void Mod_Q3BSP_LightPoint(model_t *model, const vec3_t p, vec3_t ambientcolor, vec3_t diffusecolor, vec3_t diffusenormal)
+{
+ int i, j, k, index[3];
+ float transformed[3], blend1, blend2, blend, yaw, pitch, sinpitch;
+ q3dlightgrid_t *a, *s;
+ // FIXME: write this
+ if (!model->brushq3.num_lightgrid)
+ {
+ ambientcolor[0] = 1;
+ ambientcolor[1] = 1;
+ ambientcolor[2] = 1;
+ return;
+ }
+ Matrix4x4_Transform(&model->brushq3.num_lightgrid_indexfromworld, p, transformed);
+ //Matrix4x4_Print(&model->brushq3.num_lightgrid_indexfromworld);
+ //Con_Printf("%f %f %f transformed %f %f %f clamped ", p[0], p[1], p[2], transformed[0], transformed[1], transformed[2]);
+ transformed[0] = bound(0, transformed[0], model->brushq3.num_lightgrid_isize[0] - 1);
+ transformed[1] = bound(0, transformed[1], model->brushq3.num_lightgrid_isize[1] - 1);
+ transformed[2] = bound(0, transformed[2], model->brushq3.num_lightgrid_isize[2] - 1);
+ index[0] = (int)floor(transformed[0]);
+ index[1] = (int)floor(transformed[1]);
+ index[2] = (int)floor(transformed[2]);
+ //Con_Printf("%f %f %f index %i %i %i:\n", transformed[0], transformed[1], transformed[2], index[0], index[1], index[2]);
+ // now lerp the values
+ VectorClear(diffusenormal);
+ a = &model->brushq3.data_lightgrid[(index[2] * model->brushq3.num_lightgrid_isize[1] + index[1]) * model->brushq3.num_lightgrid_isize[0] + index[0]];
+ for (k = 0;k < 2;k++)
+ {
+ blend1 = (k ? (transformed[2] - index[2]) : (1 - (transformed[2] - index[2])));
+ if (blend1 < 0.001f || index[2] + k >= model->brushq3.num_lightgrid_isize[2])
+ continue;
+ for (j = 0;j < 2;j++)
+ {
+ blend2 = blend1 * (j ? (transformed[1] - index[1]) : (1 - (transformed[1] - index[1])));
+ if (blend2 < 0.001f || index[1] + j >= model->brushq3.num_lightgrid_isize[1])
+ continue;
+ for (i = 0;i < 2;i++)
+ {
+ blend = blend2 * (i ? (transformed[0] - index[0]) : (1 - (transformed[0] - index[0])));
+ if (blend < 0.001f || index[0] + i >= model->brushq3.num_lightgrid_isize[0])
+ continue;
+ s = a + (k * model->brushq3.num_lightgrid_isize[1] + j) * model->brushq3.num_lightgrid_isize[0] + i;
+ VectorMA(ambientcolor, blend * (1.0f / 128.0f), s->ambientrgb, ambientcolor);
+ VectorMA(diffusecolor, blend * (1.0f / 128.0f), s->diffusergb, diffusecolor);
+ pitch = s->diffusepitch * M_PI / 128;
+ yaw = s->diffuseyaw * M_PI / 128;
+ sinpitch = sin(pitch);
+ diffusenormal[0] += blend * (cos(yaw) * sinpitch);
+ diffusenormal[1] += blend * (sin(yaw) * sinpitch);
+ diffusenormal[2] += blend * (cos(pitch));
+ //Con_Printf("blend %f: ambient %i %i %i, diffuse %i %i %i, diffusepitch %i diffuseyaw %i (%f %f, normal %f %f %f)\n", blend, s->ambientrgb[0], s->ambientrgb[1], s->ambientrgb[2], s->diffusergb[0], s->diffusergb[1], s->diffusergb[2], s->diffusepitch, s->diffuseyaw, pitch, yaw, (cos(yaw) * cospitch), (sin(yaw) * cospitch), (-sin(pitch)));
+ }
+ }
+ }
+ VectorNormalize(diffusenormal);
+ //Con_Printf("result: ambient %f %f %f diffuse %f %f %f diffusenormal %f %f %f\n", ambientcolor[0], ambientcolor[1], ambientcolor[2], diffusecolor[0], diffusecolor[1], diffusecolor[2], diffusenormal[0], diffusenormal[1], diffusenormal[2]);
+}
+
+static void Mod_Q3BSP_TracePoint_RecursiveBSPNode(trace_t *trace, q3mnode_t *node, const vec3_t point, int markframe)
+{
+ int i;
+ q3mleaf_t *leaf;
+ colbrushf_t *brush;
+ // find which leaf the point is in
+ while (node->plane)
+ node = node->children[DotProduct(point, node->plane->normal) < node->plane->dist];
+ // point trace the brushes
+ leaf = (q3mleaf_t *)node;
+ for (i = 0;i < leaf->numleafbrushes;i++)
+ {
+ brush = leaf->firstleafbrush[i]->colbrushf;
+ if (brush && brush->markframe != markframe && BoxesOverlap(point, point, brush->mins, brush->maxs))
+ {
+ brush->markframe = markframe;
+ Collision_TracePointBrushFloat(trace, point, leaf->firstleafbrush[i]->colbrushf);
+ }
+ }
+ // can't do point traces on curves (they have no thickness)
+}
+
+static void Mod_Q3BSP_TraceLine_RecursiveBSPNode(trace_t *trace, q3mnode_t *node, const vec3_t start, const vec3_t end, vec_t startfrac, vec_t endfrac, const vec3_t linestart, const vec3_t lineend, int markframe, const vec3_t segmentmins, const vec3_t segmentmaxs)
+{
+ int i, startside, endside;
+ float dist1, dist2, midfrac, mid[3], nodesegmentmins[3], nodesegmentmaxs[3];
+ q3mleaf_t *leaf;
+ q3mface_t *face;
+ colbrushf_t *brush;
+ if (startfrac > trace->realfraction)
+ return;
+ // note: all line fragments past first impact fraction are ignored
+ if (VectorCompare(start, end))
+ {
+ // find which leaf the point is in
+ while (node->plane)
+ node = node->children[DotProduct(start, node->plane->normal) < node->plane->dist];
+ }
+ else
+ {
+ // find which nodes the line is in and recurse for them
+ while (node->plane)
+ {
+ // recurse down node sides
+ dist1 = PlaneDiff(start, node->plane);
+ dist2 = PlaneDiff(end, node->plane);
+ startside = dist1 < 0;
+ endside = dist2 < 0;
+ if (startside == endside)
+ {
+ // most of the time the line fragment is on one side of the plane
+ node = node->children[startside];
+ }
+ else
+ {
+ // line crosses node plane, split the line
+ midfrac = dist1 / (dist1 - dist2);
+ VectorLerp(start, midfrac, end, mid);
+ // take the near side first
+ Mod_Q3BSP_TraceLine_RecursiveBSPNode(trace, node->children[startside], start, mid, startfrac, midfrac, linestart, lineend, markframe, segmentmins, segmentmaxs);
+ if (midfrac <= trace->realfraction)
+ Mod_Q3BSP_TraceLine_RecursiveBSPNode(trace, node->children[endside], mid, end, midfrac, endfrac, linestart, lineend, markframe, segmentmins, segmentmaxs);
+ return;
+ }
+ }
+ }
+ // hit a leaf
+ nodesegmentmins[0] = min(start[0], end[0]);
+ nodesegmentmins[1] = min(start[1], end[1]);
+ nodesegmentmins[2] = min(start[2], end[2]);
+ nodesegmentmaxs[0] = max(start[0], end[0]);
+ nodesegmentmaxs[1] = max(start[1], end[1]);
+ nodesegmentmaxs[2] = max(start[2], end[2]);
+ // line trace the brushes
+ leaf = (q3mleaf_t *)node;
+ for (i = 0;i < leaf->numleafbrushes;i++)
+ {
+ brush = leaf->firstleafbrush[i]->colbrushf;
+ if (brush && brush->markframe != markframe && BoxesOverlap(nodesegmentmins, nodesegmentmaxs, brush->mins, brush->maxs))
+ {
+ brush->markframe = markframe;
+ Collision_TraceLineBrushFloat(trace, linestart, lineend, leaf->firstleafbrush[i]->colbrushf, leaf->firstleafbrush[i]->colbrushf);
+ if (startfrac > trace->realfraction)
+ return;
+ }
+ }
+ // can't do point traces on curves (they have no thickness)
+ if (mod_q3bsp_curves_collisions.integer && !VectorCompare(start, end))
+ {
+ // line trace the curves
+ for (i = 0;i < leaf->numleaffaces;i++)
+ {
+ face = leaf->firstleafface[i];
+ if (face->collisions && face->collisionmarkframe != markframe && BoxesOverlap(nodesegmentmins, nodesegmentmaxs, face->mins, face->maxs))
+ {
+ face->collisionmarkframe = markframe;
+ Collision_TraceLineTriangleMeshFloat(trace, linestart, lineend, face->num_triangles, face->data_element3i, face->data_vertex3f, face->texture->supercontents, segmentmins, segmentmaxs);
+ if (startfrac > trace->realfraction)
+ return;
+ }
+ }
+ }
+}
+
+static void Mod_Q3BSP_TraceBrush_RecursiveBSPNode(trace_t *trace, q3mnode_t *node, const colbrushf_t *thisbrush_start, const colbrushf_t *thisbrush_end, int markframe, const vec3_t segmentmins, const vec3_t segmentmaxs)
+{
+ int i;
+ //int sides;
+ float nodesegmentmins[3], nodesegmentmaxs[3];
+ q3mleaf_t *leaf;
+ colbrushf_t *brush;
+ q3mface_t *face;
+ /*
+ // find which nodes the line is in and recurse for them
+ while (node->plane)
+ {
+ // recurse down node sides
+ int startside, endside;
+ float dist1near, dist1far, dist2near, dist2far;
+ BoxPlaneCornerDistances(thisbrush_start->mins, thisbrush_start->maxs, node->plane, &dist1near, &dist1far);
+ BoxPlaneCornerDistances(thisbrush_end->mins, thisbrush_end->maxs, node->plane, &dist2near, &dist2far);
+ startside = dist1near < 0;
+ startside = dist1near < 0 ? (dist1far < 0 ? 1 : 2) : (dist1far < 0 ? 2 : 0);
+ endside = dist2near < 0 ? (dist2far < 0 ? 1 : 2) : (dist2far < 0 ? 2 : 0);
+ if (startside == 2 || endside == 2)
+ {
+ // brushes cross plane
+ // do not clip anything, just take both sides
+ Mod_Q3BSP_TraceBrush_RecursiveBSPNode(trace, node->children[0], thisbrush_start, thisbrush_end, markframe, segmentmins, segmentmaxs);
+ node = node->children[1];
+ continue;
+ }
+ if (startside == 0)
+ {
+ if (endside == 0)
+ {
+ node = node->children[0];
+ continue;
+ }
+ else
+ {
+ //midf0 = dist1near / (dist1near - dist2near);
+ //midf1 = dist1far / (dist1far - dist2far);
+ Mod_Q3BSP_TraceBrush_RecursiveBSPNode(trace, node->children[0], thisbrush_start, thisbrush_end, markframe, segmentmins, segmentmaxs);
+ node = node->children[1];
+ continue;
+ }
+ }
+ else
+ {
+ if (endside == 0)
+ {
+ //midf0 = dist1near / (dist1near - dist2near);
+ //midf1 = dist1far / (dist1far - dist2far);
+ Mod_Q3BSP_TraceBrush_RecursiveBSPNode(trace, node->children[0], thisbrush_start, thisbrush_end, markframe, segmentmins, segmentmaxs);
+ node = node->children[1];
+ continue;
+ }
+ else
+ {
+ node = node->children[1];
+ continue;
+ }
+ }
+
+ if (dist1near < 0 && dist2near < 0 && dist1far < 0 && dist2far < 0){node = node->children[1];continue;}
+ if (dist1near < 0 && dist2near < 0 && dist1far < 0 && dist2far >= 0){Mod_Q3BSP_TraceBrush_RecursiveBSPNode(trace, node->children[0], thisbrush_start, thisbrush_end, markframe, segmentmins, segmentmaxs);node = node->children[1];continue;}
+ if (dist1near < 0 && dist2near < 0 && dist1far >= 0 && dist2far < 0){Mod_Q3BSP_TraceBrush_RecursiveBSPNode(trace, node->children[0], thisbrush_start, thisbrush_end, markframe, segmentmins, segmentmaxs);node = node->children[1];continue;}
+ if (dist1near < 0 && dist2near < 0 && dist1far >= 0 && dist2far >= 0){Mod_Q3BSP_TraceBrush_RecursiveBSPNode(trace, node->children[0], thisbrush_start, thisbrush_end, markframe, segmentmins, segmentmaxs);node = node->children[1];continue;}
+ if (dist1near < 0 && dist2near >= 0 && dist1far < 0 && dist2far < 0){node = node->children[1];continue;}
+ if (dist1near < 0 && dist2near >= 0 && dist1far < 0 && dist2far >= 0){}
+ if (dist1near < 0 && dist2near >= 0 && dist1far >= 0 && dist2far < 0){Mod_Q3BSP_TraceBrush_RecursiveBSPNode(trace, node->children[0], thisbrush_start, thisbrush_end, markframe, segmentmins, segmentmaxs);node = node->children[1];continue;}
+ if (dist1near < 0 && dist2near >= 0 && dist1far >= 0 && dist2far >= 0){Mod_Q3BSP_TraceBrush_RecursiveBSPNode(trace, node->children[0], thisbrush_start, thisbrush_end, markframe, segmentmins, segmentmaxs);node = node->children[1];continue;}
+ if (dist1near >= 0 && dist2near < 0 && dist1far < 0 && dist2far < 0){node = node->children[1];continue;}
+ if (dist1near >= 0 && dist2near < 0 && dist1far < 0 && dist2far >= 0){Mod_Q3BSP_TraceBrush_RecursiveBSPNode(trace, node->children[0], thisbrush_start, thisbrush_end, markframe, segmentmins, segmentmaxs);node = node->children[1];continue;}
+ if (dist1near >= 0 && dist2near < 0 && dist1far >= 0 && dist2far < 0){}
+ if (dist1near >= 0 && dist2near < 0 && dist1far >= 0 && dist2far >= 0){Mod_Q3BSP_TraceBrush_RecursiveBSPNode(trace, node->children[0], thisbrush_start, thisbrush_end, markframe, segmentmins, segmentmaxs);node = node->children[1];continue;}
+ if (dist1near >= 0 && dist2near >= 0 && dist1far < 0 && dist2far < 0){Mod_Q3BSP_TraceBrush_RecursiveBSPNode(trace, node->children[0], thisbrush_start, thisbrush_end, markframe, segmentmins, segmentmaxs);node = node->children[1];continue;}
+ if (dist1near >= 0 && dist2near >= 0 && dist1far < 0 && dist2far >= 0){node = node->children[0];continue;}
+ if (dist1near >= 0 && dist2near >= 0 && dist1far >= 0 && dist2far < 0){node = node->children[0];continue;}
+ if (dist1near >= 0 && dist2near >= 0 && dist1far >= 0 && dist2far >= 0){node = node->children[0];continue;}
+ {
+ if (dist2near < 0) // d1n<0 && d2n<0
+ {
+ if (dist2near < 0) // d1n<0 && d2n<0
+ {
+ if (dist2near < 0) // d1n<0 && d2n<0
+ {
+ }
+ else // d1n<0 && d2n>0
+ {
+ }
+ }
+ else // d1n<0 && d2n>0
+ {
+ if (dist2near < 0) // d1n<0 && d2n<0
+ {
+ }
+ else // d1n<0 && d2n>0
+ {
+ }
+ }
+ }
+ else // d1n<0 && d2n>0
+ {
+ }
+ }
+ else // d1n>0
+ {
+ if (dist2near < 0) // d1n>0 && d2n<0
+ {
+ }
+ else // d1n>0 && d2n>0
+ {
+ }
+ }
+ if (dist1near < 0 == dist1far < 0 == dist2near < 0 == dist2far < 0)
+ {
+ node = node->children[startside];
+ continue;
+ }
+ if (dist1near < dist2near)
+ {
+ // out
+ if (dist1near >= 0)
+ {
+ node = node->children[0];
+ continue;
+ }
+ if (dist2far < 0)
+ {
+ node = node->children[1];
+ continue;
+ }
+ // dist1near < 0 && dist2far >= 0
+ }
+ else
+ {
+ // in
+ }
+ startside = dist1near < 0 ? (dist1far < 0 ? 1 : 2) : (dist1far < 0 ? 2 : 0);
+ endside = dist2near < 0 ? (dist2far < 0 ? 1 : 2) : (dist2far < 0 ? 2 : 0);
+ if (startside == 2 || endside == 2)
+ {
+ // brushes cross plane
+ // do not clip anything, just take both sides
+ Mod_Q3BSP_TraceBrush_RecursiveBSPNode(trace, node->children[0], thisbrush_start, thisbrush_end, markframe, segmentmins, segmentmaxs);
+ node = node->children[1];
+ }
+ else if (startside == endside)
+ node = node->children[startside];
+ else if (startside == 0) // endside = 1 (start infront, end behind)
+ {
+ }
+ else // startside == 1 endside = 0 (start behind, end infront)
+ {
+ }
+ == endside)
+ {
+ if (startside < 2)
+ node = node->children[startside];
+ else
+ {
+ // start and end brush cross plane
+ }
+ }
+ else
+ {
+ }
+ if (dist1near < 0 && dist1far < 0 && dist2near < 0 && dist2far < 0)
+ node = node->children[1];
+ else if (dist1near < 0 && dist1far < 0 && dist2near >= 0 && dist2far >= 0)
+ else if (dist1near >= 0 && dist1far >= 0 && dist2near < 0 && dist2far < 0)
+ else if (dist1near >= 0 && dist1far >= 0 && dist2near >= 0 && dist2far >= 0)
+ node = node->children[0];
+ else
+ if (dist1near < 0 && dist1far < 0 && dist2near < 0 && dist2far < 0)
+ if (dist1near < 0 && dist1far < 0 && dist2near < 0 && dist2far < 0)
+ if (dist1near < 0 && dist1far < 0 && dist2near < 0 && dist2far < 0)
+ if (dist1near < 0 && dist1far < 0 && dist2near < 0 && dist2far < 0)
+ if (dist1near < 0 && dist1far < 0 && dist2near < 0 && dist2far < 0)
+ {
+ }
+ else if (dist1near >= 0 && dist1far >= 0)
+ {
+ }
+ else // mixed (lying on plane)
+ {
+ }
+ {
+ if (dist2near < 0 && dist2far < 0)
+ {
+ }
+ else
+ node = node->children[1];
+ }
+ if (dist1near < 0 && dist1far < 0 && dist2near < 0 && dist2far < 0)
+ node = node->children[0];
+ else if (dist1near >= 0 && dist1far >= 0 && dist2near >= 0 && dist2far >= 0)
+ node = node->children[1];
+ else
+ {
+ // both sides
+ Mod_Q3BSP_TraceLine_RecursiveBSPNode(trace, node->children[startside], start, mid, startfrac, midfrac, linestart, lineend, markframe, segmentmins, segmentmaxs);
+ node = node->children[1];
+ }
+ sides = dist1near || dist1near < 0 | dist1far < 0 | dist2near < 0 | dist
+ startside = dist1 < 0;
+ endside = dist2 < 0;
+ if (startside == endside)
+ {
+ // most of the time the line fragment is on one side of the plane
+ node = node->children[startside];
+ }
+ else
+ {
+ // line crosses node plane, split the line
+ midfrac = dist1 / (dist1 - dist2);
+ VectorLerp(start, midfrac, end, mid);
+ // take the near side first
+ Mod_Q3BSP_TraceLine_RecursiveBSPNode(trace, node->children[startside], start, mid, startfrac, midfrac, linestart, lineend, markframe, segmentmins, segmentmaxs);
+ if (midfrac <= trace->fraction)
+ Mod_Q3BSP_TraceLine_RecursiveBSPNode(trace, node->children[endside], mid, end, midfrac, endfrac, linestart, lineend, markframe, segmentmins, segmentmaxs);
+ return;
+ }
+ }
+ */
+#if 1
+ for (;;)
+ {
+ nodesegmentmins[0] = max(segmentmins[0], node->mins[0]);
+ nodesegmentmins[1] = max(segmentmins[1], node->mins[1]);
+ nodesegmentmins[2] = max(segmentmins[2], node->mins[2]);
+ nodesegmentmaxs[0] = min(segmentmaxs[0], node->maxs[0]);
+ nodesegmentmaxs[1] = min(segmentmaxs[1], node->maxs[1]);
+ nodesegmentmaxs[2] = min(segmentmaxs[2], node->maxs[2]);
+ if (nodesegmentmins[0] > nodesegmentmaxs[0] || nodesegmentmins[1] > nodesegmentmaxs[1] || nodesegmentmins[2] > nodesegmentmaxs[2])
+ return;
+ if (!node->plane)
+ break;
+ Mod_Q3BSP_TraceBrush_RecursiveBSPNode(trace, node->children[0], thisbrush_start, thisbrush_end, markframe, segmentmins, segmentmaxs);
+ node = node->children[1];
+ }
+#elif 0
+ // FIXME: could be made faster by copying TraceLine code and making it use
+ // box plane distances... (variant on the BoxOnPlaneSide code)
+ for (;;)
+ {
+ nodesegmentmins[0] = max(segmentmins[0], node->mins[0]);
+ nodesegmentmins[1] = max(segmentmins[1], node->mins[1]);
+ nodesegmentmins[2] = max(segmentmins[2], node->mins[2]);
+ nodesegmentmaxs[0] = min(segmentmaxs[0], node->maxs[0]);
+ nodesegmentmaxs[1] = min(segmentmaxs[1], node->maxs[1]);
+ nodesegmentmaxs[2] = min(segmentmaxs[2], node->maxs[2]);
+ if (nodesegmentmins[0] > nodesegmentmaxs[0] || nodesegmentmins[1] > nodesegmentmaxs[1] || nodesegmentmins[2] > nodesegmentmaxs[2])
+ return;
+ if (!node->plane)
+ break;
+ if (mod_q3bsp_debugtracebrush.integer == 2)
+ {
+ Mod_Q3BSP_TraceBrush_RecursiveBSPNode(trace, node->children[0], thisbrush_start, thisbrush_end, markframe, segmentmins, segmentmaxs);
+ node = node->children[1];
+ continue;
+ }
+ else if (mod_q3bsp_debugtracebrush.integer == 1)
+ {
+ // recurse down node sides
+ sides = BoxOnPlaneSide(nodesegmentmins, nodesegmentmaxs, node->plane);
+ if (sides == 3)
+ {
+ // segment box crosses plane
+ Mod_Q3BSP_TraceBrush_RecursiveBSPNode(trace, node->children[0], thisbrush_start, thisbrush_end, markframe, segmentmins, segmentmaxs);
+ node = node->children[1];
+ continue;
+ }
+ // take whichever side the segment box is on
+ node = node->children[sides - 1];
+ continue;
+ }
+ else
+ {
+ // recurse down node sides
+ sides = BoxOnPlaneSide(nodesegmentmins, nodesegmentmaxs, node->plane);
+ if (sides == 3)
+ {
+ // segment box crosses plane
+ // now check start and end brush boxes to handle a lot of 'diagonal' cases more efficiently...
+ sides = BoxOnPlaneSide(thisbrush_start->mins, thisbrush_start->maxs, node->plane) | BoxOnPlaneSide(thisbrush_end->mins, thisbrush_end->maxs, node->plane);
+ if (sides == 3)
+ {
+ Mod_Q3BSP_TraceBrush_RecursiveBSPNode(trace, node->children[0], thisbrush_start, thisbrush_end, markframe, segmentmins, segmentmaxs);
+ node = node->children[1];
+ continue;
+ }
+ }
+ // take whichever side the segment box is on
+ node = node->children[sides - 1];
+ continue;
+ }
+ return;
+ }
+#else
+ // FIXME: could be made faster by copying TraceLine code and making it use
+ // box plane distances... (variant on the BoxOnPlaneSide code)
+ for (;;)
+ {
+ nodesegmentmins[0] = max(segmentmins[0], node->mins[0]);
+ nodesegmentmins[1] = max(segmentmins[1], node->mins[1]);
+ nodesegmentmins[2] = max(segmentmins[2], node->mins[2]);
+ nodesegmentmaxs[0] = min(segmentmaxs[0], node->maxs[0]);
+ nodesegmentmaxs[1] = min(segmentmaxs[1], node->maxs[1]);
+ nodesegmentmaxs[2] = min(segmentmaxs[2], node->maxs[2]);
+ if (nodesegmentmins[0] > nodesegmentmaxs[0] || nodesegmentmins[1] > nodesegmentmaxs[1] || nodesegmentmins[2] > nodesegmentmaxs[2])
+ return;
+ if (!node->plane)
+ break;
+ if (mod_q3bsp_debugtracebrush.integer == 2)
+ {
+ Mod_Q3BSP_TraceBrush_RecursiveBSPNode(trace, node->children[0], thisbrush_start, thisbrush_end, markframe, segmentmins, segmentmaxs);
+ node = node->children[1];
+ }
+ else if (mod_q3bsp_debugtracebrush.integer == 1)
+ {
+ // recurse down node sides
+ sides = BoxOnPlaneSide(nodesegmentmins, nodesegmentmaxs, node->plane);
+ if (sides == 3)
+ {
+ // segment box crosses plane
+ Mod_Q3BSP_TraceBrush_RecursiveBSPNode(trace, node->children[0], thisbrush_start, thisbrush_end, markframe, segmentmins, segmentmaxs);
+ node = node->children[1];
+ }
+ else
+ {
+ // take whichever side the segment box is on
+ node = node->children[sides - 1];
+ }
+ }
+ else
+ {
+ // recurse down node sides
+ sides = BoxOnPlaneSide(nodesegmentmins, nodesegmentmaxs, node->plane);
+ if (sides == 3)
+ {
+ // segment box crosses plane
+ // now check start and end brush boxes to handle a lot of 'diagonal' cases more efficiently...
+ sides = BoxOnPlaneSide(thisbrush_start->mins, thisbrush_start->maxs, node->plane) | BoxOnPlaneSide(thisbrush_end->mins, thisbrush_end->maxs, node->plane);
+ if (sides == 3)