- model_t *model;
- vec3_t size;
- vec3_t hullmins, hullmaxs;
- hull_t *hull;
-
-// decide which clipping hull to use, based on the size
- if (ent->v.solid == SOLID_BSP)
- { // explicit hulls in the BSP model
- if (ent->v.movetype != MOVETYPE_PUSH)
- Host_Error ("SOLID_BSP without MOVETYPE_PUSH");
-
- model = sv.models[ (int)ent->v.modelindex ];
-
- // LordHavoc: fixed SOLID_BSP error message
- if (!model || model->type != mod_brush)
- {
- Con_Printf ("SOLID_BSP with a non bsp model, entity dump:\n");
- ED_Print (ent);
- Host_Error ("SOLID_BSP with a non bsp model\n");
- }
-
- VectorSubtract (maxs, mins, size);
- // LordHavoc: FIXME!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
- if (hlbsp)
- {
- if (size[0] < 3)
- hull = &model->hulls[0]; // 0x0x0
- else if (size[0] <= 32)
- {
- if (size[2] < 54) // pick the nearest of 36 or 72
- hull = &model->hulls[3]; // 32x32x36
- else
- hull = &model->hulls[1]; // 32x32x72
- }
- else
- hull = &model->hulls[2]; // 64x64x64
- }
- else
- {
- if (size[0] < 3)
- hull = &model->hulls[0]; // 0x0x0
- else if (size[0] <= 32)
- hull = &model->hulls[1]; // 32x32x56
- else
- hull = &model->hulls[2]; // 64x64x88
- }
-
-// calculate an offset value to center the origin
- VectorSubtract (hull->clip_mins, mins, offset);
- VectorAdd (offset, ent->v.origin, offset);
- }
- else
- { // create a temp hull from bounding box sizes
-
- VectorSubtract (ent->v.mins, maxs, hullmins);
- VectorSubtract (ent->v.maxs, mins, hullmaxs);
- hull = SV_HullForBox (hullmins, hullmaxs);
-
- VectorCopy (ent->v.origin, offset);
- }
-
-
- return hull;
-}
-
-/*
-===============================================================================
-
-ENTITY AREA CHECKING
-
-===============================================================================
-*/
-
-typedef struct areanode_s
-{
- int axis; // -1 = leaf node
- float dist;
- struct areanode_s *children[2];
- link_t trigger_edicts;
- link_t solid_edicts;
-} areanode_t;
-
-#define AREA_DEPTH 4
-#define AREA_NODES 32
-
-static areanode_t sv_areanodes[AREA_NODES];
-static int sv_numareanodes;
-
-/*
-===============
-SV_CreateAreaNode
-
-===============
-*/
-areanode_t *SV_CreateAreaNode (int depth, vec3_t mins, vec3_t maxs)
-{
- areanode_t *anode;
- vec3_t size;
- vec3_t mins1, maxs1, mins2, maxs2;
-
- anode = &sv_areanodes[sv_numareanodes];
- sv_numareanodes++;
-
- ClearLink (&anode->trigger_edicts);
- ClearLink (&anode->solid_edicts);
-
- if (depth == AREA_DEPTH)
- {
- anode->axis = -1;
- anode->children[0] = anode->children[1] = NULL;
- return anode;
- }
-
- VectorSubtract (maxs, mins, size);
- if (size[0] > size[1])
- anode->axis = 0;
- else
- anode->axis = 1;
-
- anode->dist = 0.5 * (maxs[anode->axis] + mins[anode->axis]);
- VectorCopy (mins, mins1);
- VectorCopy (mins, mins2);
- VectorCopy (maxs, maxs1);
- VectorCopy (maxs, maxs2);
-
- maxs1[anode->axis] = mins2[anode->axis] = anode->dist;
-
- anode->children[0] = SV_CreateAreaNode (depth+1, mins2, maxs2);
- anode->children[1] = SV_CreateAreaNode (depth+1, mins1, maxs1);
-
- return anode;
+ int i;
+ ClearLink (&sv_areagrid_outside.edicts);
+ // choose either the world box size, or a larger box to ensure the grid isn't too fine
+ sv_areagrid_size[0] = max(maxs[0] - mins[0], AREA_GRID * sv_areagrid_mingridsize.value);
+ sv_areagrid_size[1] = max(maxs[1] - mins[1], AREA_GRID * sv_areagrid_mingridsize.value);
+ sv_areagrid_size[2] = max(maxs[2] - mins[2], AREA_GRID * sv_areagrid_mingridsize.value);
+ // figure out the corners of such a box, centered at the center of the world box
+ sv_areagrid_mins[0] = (mins[0] + maxs[0] - sv_areagrid_size[0]) * 0.5f;
+ sv_areagrid_mins[1] = (mins[1] + maxs[1] - sv_areagrid_size[1]) * 0.5f;
+ sv_areagrid_mins[2] = (mins[2] + maxs[2] - sv_areagrid_size[2]) * 0.5f;
+ sv_areagrid_maxs[0] = (mins[0] + maxs[0] + sv_areagrid_size[0]) * 0.5f;
+ sv_areagrid_maxs[1] = (mins[1] + maxs[1] + sv_areagrid_size[1]) * 0.5f;
+ sv_areagrid_maxs[2] = (mins[2] + maxs[2] + sv_areagrid_size[2]) * 0.5f;
+ // now calculate the actual useful info from that
+ VectorNegate(sv_areagrid_mins, sv_areagrid_bias);
+ sv_areagrid_scale[0] = AREA_GRID / sv_areagrid_size[0];
+ sv_areagrid_scale[1] = AREA_GRID / sv_areagrid_size[1];
+ sv_areagrid_scale[2] = AREA_GRID / sv_areagrid_size[2];
+ for (i = 0;i < AREA_GRIDNODES;i++)
+ {
+ ClearLink (&sv_areagrid[i].edicts);
+ }
+ Con_DPrintf("sv_areagrid settings: divisions %ix%ix1 : box %f %f %f : %f %f %f size %f %f %f grid %f %f %f (mingrid %f)\n", AREA_GRID, AREA_GRID, sv_areagrid_mins[0], sv_areagrid_mins[1], sv_areagrid_mins[2], sv_areagrid_maxs[0], sv_areagrid_maxs[1], sv_areagrid_maxs[2], sv_areagrid_size[0], sv_areagrid_size[1], sv_areagrid_size[2], 1.0f / sv_areagrid_scale[0], 1.0f / sv_areagrid_scale[1], 1.0f / sv_areagrid_scale[2], sv_areagrid_mingridsize.value);