--- /dev/null
+/*
+Copyright (C) 1996-1997 Id Software, Inc.
+
+This program is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public License
+as published by the Free Software Foundation; either version 2
+of the License, or (at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+
+See the GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+
+*/
+// world.c -- world query functions
+
+#include "quakedef.h"
+
+/*
+
+entities never clip against themselves, or their owner
+
+line of sight checks trace->inopen and trace->inwater, but bullets don't
+
+*/
+
+extern cvar_t sv_debugmove;
+extern cvar_t sv_areagrid_mingridsize;
+
+trace_t CSSV_Move(const vec3_t start, const vec3_t mins, const vec3_t maxs, const vec3_t end, int type, prvm_edict_t *passedict);
+
+void CSSV_AreaStats_f(void);
+
+void CSSV_World_Init(void)
+{
+ Cvar_RegisterVariable(&sv_debugmove);
+ Cvar_RegisterVariable(&sv_areagrid_mingridsize);
+ Cmd_AddCommand("cssv_areastats", CSSV_AreaStats_f);
+ Collision_Init();
+}
+
+//============================================================================
+
+// CSClearLink is used for new headnodes
+static void CSClearLink (link_t *l)
+{
+ l->entitynumber = 0;
+ l->prev = l->next = l;
+}
+
+static void CSRemoveLink (link_t *l)
+{
+ l->next->prev = l->prev;
+ l->prev->next = l->next;
+}
+
+static void CSInsertLinkBefore (link_t *l, link_t *before, int entitynumber)
+{
+ l->entitynumber = entitynumber;
+ l->next = before;
+ l->prev = before->prev;
+ l->prev->next = l;
+ l->next->prev = l;
+}
+
+
+/*
+===============================================================================
+
+ENTITY AREA CHECKING
+
+===============================================================================
+*/
+
+int cssv_areagrid_stats_calls = 0;
+int cssv_areagrid_stats_nodechecks = 0;
+int cssv_areagrid_stats_entitychecks = 0;
+
+void CSSV_AreaStats_f(void)
+{
+ Con_Printf("csareagrid check stats: %d calls %d nodes (%f per call) %d entities (%f per call)\n", cssv_areagrid_stats_calls, cssv_areagrid_stats_nodechecks, (double) cssv_areagrid_stats_nodechecks / (double) cssv_areagrid_stats_calls, cssv_areagrid_stats_entitychecks, (double) cssv_areagrid_stats_entitychecks / (double) cssv_areagrid_stats_calls);
+ cssv_areagrid_stats_calls = 0;
+ cssv_areagrid_stats_nodechecks = 0;
+ cssv_areagrid_stats_entitychecks = 0;
+}
+
+typedef struct areagrid_s
+{
+ link_t edicts;
+}
+csareagrid_t;
+
+#define CSAREA_GRID 512
+#define CSAREA_GRIDNODES (CSAREA_GRID * CSAREA_GRID)
+
+static csareagrid_t cssv_areagrid[CSAREA_GRIDNODES], cssv_areagrid_outside;
+static vec3_t cssv_areagrid_bias, cssv_areagrid_scale, cssv_areagrid_mins, cssv_areagrid_maxs, cssv_areagrid_size;
+static int cssv_areagrid_marknumber = 1;
+
+void CSSV_CreateAreaGrid (vec3_t mins, vec3_t maxs)
+{
+ int i;
+ CSClearLink (&cssv_areagrid_outside.edicts);
+ // choose either the world box size, or a larger box to ensure the grid isn't too fine
+ cssv_areagrid_size[0] = max(maxs[0] - mins[0], CSAREA_GRID * sv_areagrid_mingridsize.value);
+ cssv_areagrid_size[1] = max(maxs[1] - mins[1], CSAREA_GRID * sv_areagrid_mingridsize.value);
+ cssv_areagrid_size[2] = max(maxs[2] - mins[2], CSAREA_GRID * sv_areagrid_mingridsize.value);
+ // figure out the corners of such a box, centered at the center of the world box
+ cssv_areagrid_mins[0] = (mins[0] + maxs[0] - cssv_areagrid_size[0]) * 0.5f;
+ cssv_areagrid_mins[1] = (mins[1] + maxs[1] - cssv_areagrid_size[1]) * 0.5f;
+ cssv_areagrid_mins[2] = (mins[2] + maxs[2] - cssv_areagrid_size[2]) * 0.5f;
+ cssv_areagrid_maxs[0] = (mins[0] + maxs[0] + cssv_areagrid_size[0]) * 0.5f;
+ cssv_areagrid_maxs[1] = (mins[1] + maxs[1] + cssv_areagrid_size[1]) * 0.5f;
+ cssv_areagrid_maxs[2] = (mins[2] + maxs[2] + cssv_areagrid_size[2]) * 0.5f;
+ // now calculate the actual useful info from that
+ VectorNegate(cssv_areagrid_mins, cssv_areagrid_bias);
+ cssv_areagrid_scale[0] = CSAREA_GRID / cssv_areagrid_size[0];
+ cssv_areagrid_scale[1] = CSAREA_GRID / cssv_areagrid_size[1];
+ cssv_areagrid_scale[2] = CSAREA_GRID / cssv_areagrid_size[2];
+ for (i = 0;i < CSAREA_GRIDNODES;i++)
+ {
+ CSClearLink (&cssv_areagrid[i].edicts);
+ }
+ Con_DPrintf("cssv_areagrid settings: divisions %ix%ix1 : box %f %f %f : %f %f %f size %f %f %f grid %f %f %f (mingrid %f)\n", CSAREA_GRID, CSAREA_GRID, cssv_areagrid_mins[0], cssv_areagrid_mins[1], cssv_areagrid_mins[2], cssv_areagrid_maxs[0], cssv_areagrid_maxs[1], cssv_areagrid_maxs[2], cssv_areagrid_size[0], cssv_areagrid_size[1], cssv_areagrid_size[2], 1.0f / cssv_areagrid_scale[0], 1.0f / cssv_areagrid_scale[1], 1.0f / cssv_areagrid_scale[2], sv_areagrid_mingridsize.value);
+}
+
+/*
+===============
+CSSV_ClearWorld
+
+===============
+*/
+void CSSV_ClearWorld (void)
+{
+ CSSV_CreateAreaGrid(cl.worldmodel->normalmins, cl.worldmodel->normalmaxs);
+}
+
+
+/*
+===============
+CSSV_UnlinkEdict
+
+===============
+*/
+void CSSV_UnlinkEdict (prvm_edict_t *ent)
+{
+ int i;
+ for (i = 0;i < ENTITYGRIDAREAS;i++)
+ {
+ if (ent->priv.server->areagrid[i].prev)
+ {
+ CSRemoveLink (&ent->priv.server->areagrid[i]);
+ ent->priv.server->areagrid[i].prev = ent->priv.server->areagrid[i].next = NULL;
+ }
+ }
+}
+
+int CSSV_EntitiesInBox(vec3_t mins, vec3_t maxs, int maxlist, prvm_edict_t **list)
+{
+ int numlist;
+ csareagrid_t *grid;
+ link_t *l;
+ prvm_edict_t *ent;
+ int igrid[3], igridmins[3], igridmaxs[3];
+
+ cssv_areagrid_stats_calls++;
+ cssv_areagrid_marknumber++;
+ igridmins[0] = (int) ((mins[0] + cssv_areagrid_bias[0]) * cssv_areagrid_scale[0]);
+ igridmins[1] = (int) ((mins[1] + cssv_areagrid_bias[1]) * cssv_areagrid_scale[1]);
+ //igridmins[2] = (int) ((mins[2] + cssv_areagrid_bias[2]) * cssv_areagrid_scale[2]);
+ igridmaxs[0] = (int) ((maxs[0] + cssv_areagrid_bias[0]) * cssv_areagrid_scale[0]) + 1;
+ igridmaxs[1] = (int) ((maxs[1] + cssv_areagrid_bias[1]) * cssv_areagrid_scale[1]) + 1;
+ //igridmaxs[2] = (int) ((maxs[2] + cssv_areagrid_bias[2]) * cssv_areagrid_scale[2]) + 1;
+ igridmins[0] = max(0, igridmins[0]);
+ igridmins[1] = max(0, igridmins[1]);
+ //igridmins[2] = max(0, igridmins[2]);
+ igridmaxs[0] = min(CSAREA_GRID, igridmaxs[0]);
+ igridmaxs[1] = min(CSAREA_GRID, igridmaxs[1]);
+ //igridmaxs[2] = min(CSAREA_GRID, igridmaxs[2]);
+
+ numlist = 0;
+ // add entities not linked into areagrid because they are too big or
+ // outside the grid bounds
+ if (cssv_areagrid_outside.edicts.next != &cssv_areagrid_outside.edicts)
+ {
+ for (l = cssv_areagrid_outside.edicts.next;l != &cssv_areagrid_outside.edicts;l = l->next)
+ {
+ ent = PRVM_EDICT_NUM_UNSIGNED(l->entitynumber);
+ if (ent->priv.server->areagridmarknumber != cssv_areagrid_marknumber)
+ {
+ ent->priv.server->areagridmarknumber = cssv_areagrid_marknumber;
+ if (!ent->priv.server->free && BoxesOverlap(mins, maxs, ent->fields.client->absmin, ent->fields.client->absmax))
+ {
+ if (numlist < maxlist)
+ list[numlist] = ent;
+ numlist++;
+ }
+ cssv_areagrid_stats_entitychecks++;
+ }
+ }
+ }
+ // add grid linked entities
+ for (igrid[1] = igridmins[1];igrid[1] < igridmaxs[1];igrid[1]++)
+ {
+ grid = cssv_areagrid + igrid[1] * CSAREA_GRID + igridmins[0];
+ for (igrid[0] = igridmins[0];igrid[0] < igridmaxs[0];igrid[0]++, grid++)
+ {
+ if (grid->edicts.next != &grid->edicts)
+ {
+ for (l = grid->edicts.next;l != &grid->edicts;l = l->next)
+ {
+ ent = PRVM_EDICT_NUM_UNSIGNED(l->entitynumber);
+ if (ent->priv.server->areagridmarknumber != cssv_areagrid_marknumber)
+ {
+ ent->priv.server->areagridmarknumber = cssv_areagrid_marknumber;
+ if (!ent->priv.server->free && BoxesOverlap(mins, maxs, ent->fields.client->absmin, ent->fields.client->absmax))
+ {
+ if (numlist < maxlist)
+ list[numlist] = ent;
+ numlist++;
+ }
+ }
+ cssv_areagrid_stats_entitychecks++;
+ }
+ }
+ }
+ }
+ return numlist;
+}
+
+void CSSV_TouchAreaGrid(prvm_edict_t *ent)
+{
+ int i, numtouchedicts, old_self, old_other;
+ prvm_edict_t *touch, *touchedicts[MAX_EDICTS];
+
+ // build a list of edicts to touch, because the link loop can be corrupted
+ // by CSSV_IncreaseEdicts called during touch functions
+ numtouchedicts = CSSV_EntitiesInBox(ent->fields.client->absmin, ent->fields.client->absmax, MAX_EDICTS, touchedicts);
+ if (numtouchedicts > MAX_EDICTS)
+ {
+ // this never happens
+ Con_Printf("CSSV_EntitiesInBox returned %i edicts, max was %i\n", numtouchedicts, MAX_EDICTS);
+ numtouchedicts = MAX_EDICTS;
+ }
+
+ old_self = prog->globals.client->self;
+ old_other = prog->globals.client->other;
+ for (i = 0;i < numtouchedicts;i++)
+ {
+ touch = touchedicts[i];
+ if (touch != ent && (int)touch->fields.client->solid == SOLID_TRIGGER && touch->fields.client->touch)
+ {
+ prog->globals.client->self = PRVM_EDICT_TO_PROG(touch);
+ prog->globals.client->other = PRVM_EDICT_TO_PROG(ent);
+ prog->globals.client->time = cl.time;
+ PRVM_ExecuteProgram (touch->fields.client->touch, "QC function self.touch is missing");
+ }
+ }
+ prog->globals.client->self = old_self;
+ prog->globals.client->other = old_other;
+}
+
+void CSSV_LinkEdict_AreaGrid(prvm_edict_t *ent)
+{
+ csareagrid_t *grid;
+ int igrid[3], igridmins[3], igridmaxs[3], gridnum, entitynumber = PRVM_NUM_FOR_EDICT(ent);
+
+ if (entitynumber <= 0 || entitynumber >= prog->max_edicts || PRVM_EDICT_NUM(entitynumber) != ent)
+ {
+ Con_Printf ("CSSV_LinkEdict_AreaGrid: invalid edict %p (edicts is %p, edict compared to prog->edicts is %i)\n", ent, prog->edicts, entitynumber);
+ return;
+ }
+
+ igridmins[0] = (int) ((ent->fields.client->absmin[0] + cssv_areagrid_bias[0]) * cssv_areagrid_scale[0]);
+ igridmins[1] = (int) ((ent->fields.client->absmin[1] + cssv_areagrid_bias[1]) * cssv_areagrid_scale[1]);
+ //igridmins[2] = (int) ((ent->fields.client->absmin[2] + cssv_areagrid_bias[2]) * cssv_areagrid_scale[2]);
+ igridmaxs[0] = (int) ((ent->fields.client->absmax[0] + cssv_areagrid_bias[0]) * cssv_areagrid_scale[0]) + 1;
+ igridmaxs[1] = (int) ((ent->fields.client->absmax[1] + cssv_areagrid_bias[1]) * cssv_areagrid_scale[1]) + 1;
+ //igridmaxs[2] = (int) ((ent->fields.client->absmax[2] + cssv_areagrid_bias[2]) * cssv_areagrid_scale[2]) + 1;
+ if (igridmins[0] < 0 || igridmaxs[0] > CSAREA_GRID || igridmins[1] < 0 || igridmaxs[1] > CSAREA_GRID || ((igridmaxs[0] - igridmins[0]) * (igridmaxs[1] - igridmins[1])) > ENTITYGRIDAREAS)
+ {
+ // wow, something outside the grid, store it as such
+ CSInsertLinkBefore (&ent->priv.server->areagrid[0], &cssv_areagrid_outside.edicts, entitynumber);
+ return;
+ }
+
+ gridnum = 0;
+ for (igrid[1] = igridmins[1];igrid[1] < igridmaxs[1];igrid[1]++)
+ {
+ grid = cssv_areagrid + igrid[1] * CSAREA_GRID + igridmins[0];
+ for (igrid[0] = igridmins[0];igrid[0] < igridmaxs[0];igrid[0]++, grid++, gridnum++)
+ CSInsertLinkBefore (&ent->priv.server->areagrid[gridnum], &grid->edicts, entitynumber);
+ }
+}
+
+/*
+===============
+SV_LinkEdict
+
+===============
+*/
+void CSSV_LinkEdict (prvm_edict_t *ent, qboolean touch_triggers)
+{
+ model_t *model;
+
+ if (ent->priv.server->areagrid[0].prev)
+ CSSV_UnlinkEdict (ent); // unlink from old position
+
+ if (ent == prog->edicts)
+ return; // don't add the world
+
+ if (ent->priv.server->free)
+ return;
+
+// set the abs box
+
+ if (ent->fields.client->solid == SOLID_BSP)
+ {
+ int modelindex = ent->fields.client->modelindex;
+ if (modelindex < 0 || modelindex > MAX_MODELS)
+ {
+ Con_Printf("edict %i: SOLID_BSP with invalid modelindex!\n", PRVM_NUM_FOR_EDICT(ent));
+ modelindex = 0;
+ }
+ model = cl.model_precache[modelindex];
+ if (model != NULL)
+ {
+ if (!model->TraceBox)
+ Con_Printf("edict %i: SOLID_BSP with non-collidable model\n", PRVM_NUM_FOR_EDICT(ent));
+
+ if (ent->fields.client->angles[0] || ent->fields.client->angles[2] || ent->fields.client->avelocity[0] || ent->fields.client->avelocity[2])
+ {
+ VectorAdd(ent->fields.client->origin, model->rotatedmins, ent->fields.client->absmin);
+ VectorAdd(ent->fields.client->origin, model->rotatedmaxs, ent->fields.client->absmax);
+ }
+ else if (ent->fields.client->angles[1] || ent->fields.client->avelocity[1])
+ {
+ VectorAdd(ent->fields.client->origin, model->yawmins, ent->fields.client->absmin);
+ VectorAdd(ent->fields.client->origin, model->yawmaxs, ent->fields.client->absmax);
+ }
+ else
+ {
+ VectorAdd(ent->fields.client->origin, model->normalmins, ent->fields.client->absmin);
+ VectorAdd(ent->fields.client->origin, model->normalmaxs, ent->fields.client->absmax);
+ }
+ }
+ else
+ {
+ // SOLID_BSP with no model is valid, mainly because some QC setup code does so temporarily
+ VectorAdd(ent->fields.client->origin, ent->fields.client->mins, ent->fields.client->absmin);
+ VectorAdd(ent->fields.client->origin, ent->fields.client->maxs, ent->fields.client->absmax);
+ }
+ }
+ else
+ {
+ VectorAdd(ent->fields.client->origin, ent->fields.client->mins, ent->fields.client->absmin);
+ VectorAdd(ent->fields.client->origin, ent->fields.client->maxs, ent->fields.client->absmax);
+ }
+
+//
+// to make items easier to pick up and allow them to be grabbed off
+// of shelves, the abs sizes are expanded
+//
+ if ((int)ent->fields.client->flags & FL_ITEM)
+ {
+ ent->fields.client->absmin[0] -= 15;
+ ent->fields.client->absmin[1] -= 15;
+ ent->fields.client->absmin[2] -= 1;
+ ent->fields.client->absmax[0] += 15;
+ ent->fields.client->absmax[1] += 15;
+ ent->fields.client->absmax[2] += 1;
+ }
+ else
+ {
+ // because movement is clipped an epsilon away from an actual edge,
+ // we must fully check even when bounding boxes don't quite touch
+ ent->fields.client->absmin[0] -= 1;
+ ent->fields.client->absmin[1] -= 1;
+ ent->fields.client->absmin[2] -= 1;
+ ent->fields.client->absmax[0] += 1;
+ ent->fields.client->absmax[1] += 1;
+ ent->fields.client->absmax[2] += 1;
+ }
+
+ if (ent->fields.client->solid == SOLID_NOT)
+ return;
+
+ CSSV_LinkEdict_AreaGrid(ent);
+
+// if touch_triggers, touch all entities at this node and descend for more
+ if (touch_triggers)
+ CSSV_TouchAreaGrid(ent);
+}
+
+
+
+/*
+===============================================================================
+
+POINT TESTING IN HULLS
+
+===============================================================================
+*/
+
+/*
+============
+SV_TestEntityPosition
+
+This could be a lot more efficient...
+============
+*/
+int CSSV_TestEntityPosition (prvm_edict_t *ent)
+{
+ return CSSV_Move (ent->fields.client->origin, ent->fields.client->mins, ent->fields.client->maxs, ent->fields.client->origin, MOVE_NORMAL, ent).startsolid;
+}
+
+
+/*
+===============================================================================
+
+LINE TESTING IN HULLS
+
+===============================================================================
+*/
+
+/*
+==================
+SV_ClipMoveToEntity
+
+Handles selection or creation of a clipping hull, and offseting (and
+eventually rotation) of the end points
+==================
+*/
+trace_t CSSV_ClipMoveToEntity(prvm_edict_t *ent, const vec3_t start, const vec3_t mins, const vec3_t maxs, const vec3_t end, int movetype, int hitsupercontents)
+{
+ trace_t trace;
+ model_t *model = NULL;
+ matrix4x4_t matrix, imatrix;
+ float tempnormal[3], starttransformed[3], endtransformed[3];
+ float starttransformedmins[3], starttransformedmaxs[3], endtransformedmins[3], endtransformedmaxs[3];
+
+ memset(&trace, 0, sizeof(trace));
+ trace.fraction = trace.realfraction = 1;
+ VectorCopy(end, trace.endpos);
+
+ if ((int) ent->fields.client->solid == SOLID_BSP || movetype == MOVE_HITMODEL)
+ {
+ unsigned int modelindex = ent->fields.client->modelindex;
+ // if the modelindex is 0, it shouldn't be SOLID_BSP!
+ if (modelindex == 0)
+ {
+ Con_Printf("SV_ClipMoveToEntity: edict %i: SOLID_BSP with no model\n", PRVM_NUM_FOR_EDICT(ent));
+ return trace;
+ }
+ if (modelindex >= MAX_MODELS)
+ {
+ Con_Printf("SV_ClipMoveToEntity: edict %i: SOLID_BSP with invalid modelindex\n", PRVM_NUM_FOR_EDICT(ent));
+ return trace;
+ }
+ model = cl.model_precache[modelindex];
+ if (modelindex != 0 && model == NULL)
+ {
+ Con_Printf("SV_ClipMoveToEntity: edict %i: SOLID_BSP with invalid modelindex\n", PRVM_NUM_FOR_EDICT(ent));
+ return trace;
+ }
+
+ if ((int) ent->fields.client->solid == SOLID_BSP)
+ {
+ if (!model->TraceBox)
+ {
+ Con_Printf("SV_ClipMoveToEntity: edict %i: SOLID_BSP with a non-collidable model\n", PRVM_NUM_FOR_EDICT(ent));
+ return trace;
+ }
+ //if (ent->fields.client->movetype != MOVETYPE_PUSH)
+ //{
+ // Con_Printf("SV_ClipMoveToEntity: edict %i: SOLID_BSP without MOVETYPE_PUSH\n", PRVM_NUM_FOR_EDICT(ent));
+ // return trace;
+ //}
+ }
+ Matrix4x4_CreateFromQuakeEntity(&matrix, ent->fields.client->origin[0], ent->fields.client->origin[1], ent->fields.client->origin[2], ent->fields.client->angles[0], ent->fields.client->angles[1], ent->fields.client->angles[2], 1);
+ }
+ else
+ Matrix4x4_CreateTranslate(&matrix, ent->fields.client->origin[0], ent->fields.client->origin[1], ent->fields.client->origin[2]);
+
+ Matrix4x4_Invert_Simple(&imatrix, &matrix);
+ Matrix4x4_Transform(&imatrix, start, starttransformed);
+ Matrix4x4_Transform(&imatrix, end, endtransformed);
+#if COLLISIONPARANOID >= 3
+ Con_Printf("trans(%f %f %f -> %f %f %f, %f %f %f -> %f %f %f)", start[0], start[1], start[2], starttransformed[0], starttransformed[1], starttransformed[2], end[0], end[1], end[2], endtransformed[0], endtransformed[1], endtransformed[2]);
+#endif
+
+ if (model && model->TraceBox)
+ {
+ int frame;
+ frame = (int)ent->fields.client->frame;
+ frame = bound(0, frame, (model->numframes - 1));
+ VectorAdd(starttransformed, maxs, starttransformedmaxs);
+ VectorAdd(endtransformed, maxs, endtransformedmaxs);
+ VectorAdd(starttransformed, mins, starttransformedmins);
+ VectorAdd(endtransformed, mins, endtransformedmins);
+ model->TraceBox(model, frame, &trace, starttransformedmins, starttransformedmaxs, endtransformedmins, endtransformedmaxs, hitsupercontents);
+ }
+ else
+ Collision_ClipTrace_Box(&trace, ent->fields.client->mins, ent->fields.client->maxs, starttransformed, mins, maxs, endtransformed, hitsupercontents, SUPERCONTENTS_SOLID);
+ trace.fraction = bound(0, trace.fraction, 1);
+ trace.realfraction = bound(0, trace.realfraction, 1);
+
+ if (trace.fraction < 1)
+ {
+ VectorLerp(start, trace.fraction, end, trace.endpos);
+ VectorCopy(trace.plane.normal, tempnormal);
+ Matrix4x4_Transform3x3(&matrix, tempnormal, trace.plane.normal);
+ // FIXME: should recalc trace.plane.dist
+ }
+ else
+ VectorCopy(end, trace.endpos);
+
+ return trace;
+}
+
+//===========================================================================
+
+/*
+==================
+SV_Move
+==================
+*/
+#if COLLISIONPARANOID >= 1
+trace_t CSSV_Move_(const vec3_t start, const vec3_t mins, const vec3_t maxs, const vec3_t end, int type, prvm_edict_t *passedict)
+#else
+trace_t CSSV_Move(const vec3_t start, const vec3_t mins, const vec3_t maxs, const vec3_t end, int type, prvm_edict_t *passedict)
+#endif
+{
+ vec3_t hullmins, hullmaxs;
+ int i;
+ int hitsupercontentsmask;
+ int passedictprog;
+ qboolean pointtrace;
+ prvm_edict_t *traceowner, *touch;
+ trace_t trace;
+ // bounding box of entire move area
+ vec3_t clipboxmins, clipboxmaxs;
+ // size of the moving object
+ vec3_t clipmins, clipmaxs;
+ // size when clipping against monsters
+ vec3_t clipmins2, clipmaxs2;
+ // start and end origin of move
+ vec3_t clipstart, clipend;
+ // trace results
+ trace_t cliptrace;
+ int numtouchedicts;
+ prvm_edict_t *touchedicts[MAX_EDICTS];
+
+ VectorCopy(start, clipstart);
+ VectorCopy(end, clipend);
+ VectorCopy(mins, clipmins);
+ VectorCopy(maxs, clipmaxs);
+ VectorCopy(mins, clipmins2);
+ VectorCopy(maxs, clipmaxs2);
+#if COLLISIONPARANOID >= 3
+ Con_Printf("move(%f %f %f,%f %f %f)", clipstart[0], clipstart[1], clipstart[2], clipend[0], clipend[1], clipend[2]);
+#endif
+
+ hitsupercontentsmask = SUPERCONTENTS_SOLID;
+ if (passedict)
+ {
+ if (passedict->fields.client->solid == SOLID_SLIDEBOX)
+ hitsupercontentsmask |= SUPERCONTENTS_PLAYERCLIP;
+ if ((int)passedict->fields.client->flags & FL_MONSTER)
+ hitsupercontentsmask |= SUPERCONTENTS_MONSTERCLIP;
+ }
+
+ // clip to world
+ cliptrace = CSSV_ClipMoveToEntity(prog->edicts, clipstart, clipmins, clipmaxs, clipend, type, hitsupercontentsmask);
+ if (cliptrace.startsolid || cliptrace.fraction < 1)
+ cliptrace.ent = prog->edicts;
+ if (type == MOVE_WORLDONLY)
+ return cliptrace;
+
+ if (type == MOVE_MISSILE)
+ {
+ // LordHavoc: modified this, was = -15, now -= 15
+ for (i = 0;i < 3;i++)
+ {
+ clipmins2[i] -= 15;
+ clipmaxs2[i] += 15;
+ }
+ }
+
+ // get adjusted box for bmodel collisions if the world is q1bsp or hlbsp
+ if (cl.worldmodel && cl.worldmodel->brush.RoundUpToHullSize)
+ cl.worldmodel->brush.RoundUpToHullSize(cl.worldmodel, clipmins, clipmaxs, hullmins, hullmaxs);
+ else
+ {
+ VectorCopy(clipmins, hullmins);
+ VectorCopy(clipmaxs, hullmaxs);
+ }
+
+ // create the bounding box of the entire move
+ for (i = 0;i < 3;i++)
+ {
+ clipboxmins[i] = min(clipstart[i], cliptrace.endpos[i]) + min(hullmins[i], clipmins2[i]) - 1;
+ clipboxmaxs[i] = max(clipstart[i], cliptrace.endpos[i]) + max(hullmaxs[i], clipmaxs2[i]) + 1;
+ }
+
+ // debug override to test against everything
+ if (sv_debugmove.integer)
+ {
+ clipboxmins[0] = clipboxmins[1] = clipboxmins[2] = -999999999;
+ clipboxmaxs[0] = clipboxmaxs[1] = clipboxmaxs[2] = 999999999;
+ }
+
+ // if the passedict is world, make it NULL (to avoid two checks each time)
+ if (passedict == prog->edicts)
+ passedict = NULL;
+ // precalculate prog value for passedict for comparisons
+ passedictprog = PRVM_EDICT_TO_PROG(passedict);
+ // figure out whether this is a point trace for comparisons
+ pointtrace = VectorCompare(clipmins, clipmaxs);
+ // precalculate passedict's owner edict pointer for comparisons
+ traceowner = passedict ? PRVM_PROG_TO_EDICT(passedict->fields.client->owner) : 0;
+
+ // clip to enttiies
+ numtouchedicts = CSSV_EntitiesInBox(clipboxmins, clipboxmaxs, MAX_EDICTS, touchedicts);
+ if (numtouchedicts > MAX_EDICTS)
+ {
+ // this never happens
+ Con_Printf("CSSV_EntitiesInBox returned %i edicts, max was %i\n", numtouchedicts, MAX_EDICTS);
+ numtouchedicts = MAX_EDICTS;
+ }
+ for (i = 0;i < numtouchedicts;i++)
+ {
+ touch = touchedicts[i];
+
+ if (touch->fields.client->solid < SOLID_BBOX)
+ continue;
+ if (type == MOVE_NOMONSTERS && touch->fields.client->solid != SOLID_BSP)
+ continue;
+
+ if (passedict)
+ {
+ // don't clip against self
+ if (passedict == touch)
+ continue;
+ // don't clip owned entities against owner
+ if (traceowner == touch)
+ continue;
+ // don't clip owner against owned entities
+ if (passedictprog == touch->fields.client->owner)
+ continue;
+ // don't clip points against points (they can't collide)
+ if (pointtrace && VectorCompare(touch->fields.client->mins, touch->fields.client->maxs) && (type != MOVE_MISSILE || !((int)touch->fields.client->flags & FL_MONSTER)))
+ continue;
+ // don't clip corpse against character
+ if (passedict->fields.client->solid == SOLID_CORPSE && (touch->fields.client->solid == SOLID_SLIDEBOX || touch->fields.client->solid == SOLID_CORPSE))
+ continue;
+ // don't clip character against corpse
+ if (passedict->fields.client->solid == SOLID_SLIDEBOX && touch->fields.client->solid == SOLID_CORPSE)
+ continue;
+ }
+
+ // might interact, so do an exact clip
+ if ((int)touch->fields.client->flags & FL_MONSTER)
+ trace = CSSV_ClipMoveToEntity(touch, clipstart, clipmins2, clipmaxs2, clipend, type, hitsupercontentsmask);
+ else
+ trace = CSSV_ClipMoveToEntity(touch, clipstart, clipmins, clipmaxs, clipend, type, hitsupercontentsmask);
+ // LordHavoc: take the 'best' answers from the new trace and combine with existing data
+ if (trace.allsolid)
+ cliptrace.allsolid = true;
+ if (trace.startsolid)
+ {
+ cliptrace.startsolid = true;
+ if (cliptrace.realfraction == 1)
+ cliptrace.ent = touch;
+ }
+ // don't set this except on the world, because it can easily confuse
+ // monsters underwater if there's a bmodel involved in the trace
+ // (inopen && inwater is how they check water visibility)
+ //if (trace.inopen)
+ // cliptrace.inopen = true;
+ if (trace.inwater)
+ cliptrace.inwater = true;
+ if (trace.realfraction < cliptrace.realfraction)
+ {
+ cliptrace.fraction = trace.fraction;
+ cliptrace.realfraction = trace.realfraction;
+ VectorCopy(trace.endpos, cliptrace.endpos);
+ cliptrace.plane = trace.plane;
+ cliptrace.ent = touch;
+ }
+ cliptrace.startsupercontents |= trace.startsupercontents;
+ }
+
+ return cliptrace;
+}
+
+#if COLLISIONPARANOID >= 1
+trace_t CSSV_Move(const vec3_t start, const vec3_t mins, const vec3_t maxs, const vec3_t end, int type, prvm_edict_t *passedict)
+{
+ int endstuck;
+ trace_t trace;
+ vec3_t temp;
+ trace = CSSV_Move_(start, mins, maxs, end, type, passedict);
+ if (passedict)
+ {
+ VectorCopy(trace.endpos, temp);
+ endstuck = CSSV_Move_(temp, mins, maxs, temp, type, passedict).startsolid;
+#if COLLISIONPARANOID < 3
+ if (trace.startsolid || endstuck)
+#endif
+ Con_Printf("%s{e%i:%f %f %f:%f %f %f:%f:%f %f %f%s%s}\n", (trace.startsolid || endstuck) ? "\002" : "", passedict ? passedict - prog->edicts : -1, passedict->fields.client->origin[0], passedict->fields.client->origin[1], passedict->fields.client->origin[2], end[0] - passedict->fields.client->origin[0], end[1] - passedict->fields.client->origin[1], end[2] - passedict->fields.client->origin[2], trace.fraction, trace.endpos[0] - passedict->fields.client->origin[0], trace.endpos[1] - passedict->fields.client->origin[1], trace.endpos[2] - passedict->fields.client->origin[2], trace.startsolid ? " startstuck" : "", endstuck ? " endstuck" : "");
+ }
+ return trace;
+}
+#endif
+
+int CSSV_PointSuperContents(const vec3_t point)
+{
+ return CSSV_Move(point, vec3_origin, vec3_origin, point, sv_gameplayfix_swiminbmodels.integer ? MOVE_NOMONSTERS : MOVE_WORLDONLY, NULL).startsupercontents;
+}
+
+int CSSV_PointQ1Contents(const vec3_t point)
+{
+ return Mod_Q1BSP_NativeContentsFromSuperContents(NULL, CSSV_PointSuperContents(point));
+}
+
+
projects / xonotic / darkplaces.git / blobdiff