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- #include "qe3.h"
-
- char *ValueForKey (entity_t *ent, char *key)
- {
- epair_t *ep;
-
- for (ep=ent->epairs ; ep ; ep=ep->next)
- if (!strcmp (ep->key, key) )
- return ep->value;
- return "";
- }
-
- void SetKeyValue (entity_t *ent, char *key, char *value)
- {
- epair_t *ep;
-
- if (ent == NULL)
- return;
-
- if (!key || !key[0])
- return;
-
- for (ep=ent->epairs ; ep ; ep=ep->next)
- if (!strcmp (ep->key, key) )
- {
- free (ep->value);
- ep->value = qmalloc(strlen(value)+1);
- strcpy (ep->value, value);
- return;
- }
- ep = qmalloc (sizeof(*ep));
- ep->next = ent->epairs;
- ent->epairs = ep;
- ep->key = qmalloc(strlen(key)+1);
- strcpy (ep->key, key);
- ep->value = qmalloc(strlen(value)+1);
- strcpy (ep->value, value);
- }
-
- void DeleteKey (entity_t *ent, char *key)
- {
- epair_t **ep, *next;
-
- ep = &ent->epairs;
- while (*ep)
- {
- next = *ep;
- if ( !strcmp (next->key, key) )
- {
- *ep = next->next;
- free(next->key);
- free(next->value);
- free(next);
- return;
- }
- ep = &next->next;
- }
- }
-
- float FloatForKey (entity_t *ent, char *key)
- {
- char *k;
-
- k = ValueForKey (ent, key);
- return atof(k);
- }
-
- int IntForKey (entity_t *ent, char *key)
- {
- char *k;
-
- k = ValueForKey (ent, key);
- return atoi(k);
- }
-
- void GetVectorForKey (entity_t *ent, char *key, vec3_t vec)
- {
- char *k;
-
- k = ValueForKey (ent, key);
- sscanf (k, "%f %f %f", &vec[0], &vec[1], &vec[2]);
- }
-
-
- /*
- ===============
- Entity_Free
-
- Frees the entity and any brushes is has.
- The entity is removed from the global entities list.
- ===============
- */
- void Entity_Free (entity_t *e)
- {
- epair_t *ep, *next;
-
- while (e->brushes.onext != &e->brushes)
- Brush_Free (e->brushes.onext);
-
- if (e->next)
- {
- e->next->prev = e->prev;
- e->prev->next = e->next;
- }
-
- for (ep = e->epairs ; ep ; ep=next)
- {
- next = ep->next;
- free (ep);
- }
- free (e);
- }
-
- /*
- =================
- ParseEpair
- =================
- */
- epair_t *ParseEpair (void)
- {
- epair_t *e;
-
- e = qmalloc (sizeof(*e));
-
- e->key = qmalloc(strlen(token)+1);
- strcpy (e->key, token);
-
- GetToken (false);
- e->value = qmalloc(strlen(token)+1);
- strcpy (e->value, token);
-
- return e;
- }
-
- /*
- ================
- Entity_Parse
-
- If onlypairs is set, the classname info will not
- be looked up, and the entity will not be added
- to the global list. Used for parsing the project.
- ================
- */
- entity_t *Entity_Parse (qboolean onlypairs)
- {
- entity_t *ent;
- eclass_t *e;
- brush_t *b;
- vec3_t mins, maxs;
- epair_t *ep;
- qboolean has_brushes;
-
- if (!GetToken (true))
- return NULL;
-
- if (strcmp (token, "{") )
- Error ("ParseEntity: { not found");
-
- ent = qmalloc (sizeof(*ent));
- ent->brushes.onext = ent->brushes.oprev = &ent->brushes;
-
- do
- {
- if (!GetToken (true))
- Error ("ParseEntity: EOF without closing brace");
- if (!strcmp (token, "}") )
- break;
- if (!strcmp (token, "{") )
- {
- b = Brush_Parse ();
- b->owner = ent;
-
- // add to the end of the entity chain
- b->onext = &ent->brushes;
- b->oprev = ent->brushes.oprev;
- ent->brushes.oprev->onext = b;
- ent->brushes.oprev = b;
- }
- else
- {
- ep = ParseEpair ();
- ep->next = ent->epairs;
- ent->epairs = ep;
- }
- } while (1);
-
- if (onlypairs)
- return ent;
-
- if (ent->brushes.onext == &ent->brushes)
- has_brushes = false;
- else
- has_brushes = true;
-
- GetVectorForKey (ent, "origin", ent->origin);
-
- e = Eclass_ForName (ValueForKey (ent, "classname"), has_brushes);
- ent->eclass = e;
- if (e->fixedsize)
- { // fixed size entity
- if (ent->brushes.onext != &ent->brushes)
- {
- printf ("Warning: Fixed size entity with brushes\n");
- #if 0
- while (ent->brushes.onext != &ent->brushes)
- { // FIXME: this will free the entity and crash!
- Brush_Free (b);
- }
- #endif
- ent->brushes.next = ent->brushes.prev = &ent->brushes;
- }
- // create a custom brush
- VectorAdd (e->mins, ent->origin, mins);
- VectorAdd (e->maxs, ent->origin, maxs);
- b = Brush_Create (mins, maxs, &e->texdef);
- b->owner = ent;
-
- b->onext = ent->brushes.onext;
- b->oprev = &ent->brushes;
- ent->brushes.onext->oprev = b;
- ent->brushes.onext = b;
- }
- else
- { // brush entity
- if (ent->brushes.next == &ent->brushes)
- printf ("Warning: Brush entity with no brushes\n");
- }
-
- // add all the brushes to the main list
- for (b=ent->brushes.onext ; b != &ent->brushes ; b=b->onext)
- {
- b->next = active_brushes.next;
- active_brushes.next->prev = b;
- b->prev = &active_brushes;
- active_brushes.next = b;
- }
-
- return ent;
- }
-
- /*
- ============
- Entity_Write
- ============
- */
- void Entity_Write (entity_t *e, FILE *f, qboolean use_region)
- {
- epair_t *ep;
- brush_t *b;
- vec3_t origin;
- char text[128];
- int count;
-
- // if none of the entities brushes are in the region,
- // don't write the entity at all
- if (use_region)
- {
- // in region mode, save the camera position as playerstart
- if ( !strcmp(ValueForKey (e, "classname"), "info_player_start") )
- {
- fprintf (f, "{\n");
- fprintf (f, "\"classname\" \"info_player_start\"\n");
- fprintf (f, "\"origin\" \"%i %i %i\"\n", (int)camera.origin[0],
- (int)camera.origin[1], (int)camera.origin[2]);
- fprintf (f, "\"angle\" \"%i\"\n", (int)camera.angles[YAW]);
- fprintf (f, "}\n");
- return;
- }
-
- for (b=e->brushes.onext ; b != &e->brushes ; b=b->onext)
- if (!Map_IsBrushFiltered(b))
- break; // got one
-
- if (b == &e->brushes)
- return; // nothing visible
- }
-
- // if fixedsize, calculate a new origin based on the current
- // brush position
- if (e->eclass->fixedsize)
- {
- VectorSubtract (e->brushes.onext->mins, e->eclass->mins, origin);
- sprintf (text, "%i %i %i", (int)origin[0],
- (int)origin[1], (int)origin[2]);
- SetKeyValue (e, "origin", text);
- }
-
- fprintf (f, "{\n");
- for (ep = e->epairs ; ep ; ep=ep->next)
- fprintf (f, "\"%s\" \"%s\"\n", ep->key, ep->value);
-
- if (!e->eclass->fixedsize)
- {
- count = 0;
- for (b=e->brushes.onext ; b != &e->brushes ; b=b->onext)
- {
- if (!use_region || !Map_IsBrushFiltered (b))
- {
- fprintf (f, "// brush %i\n", count);
- count++;
- Brush_Write (b, f);
- }
- }
- }
- fprintf (f, "}\n");
- }
-
-
-
- /*
- ============
- Entity_Create
-
- Creates a new entity out of the selected_brushes list.
- If the entity class is fixed size, the brushes are only
- used to find a midpoint. Otherwise, the brushes have
- their ownershi[ transfered to the new entity.
- ============
- */
- entity_t *Entity_Create (eclass_t *c)
- {
- entity_t *e;
- brush_t *b;
- vec3_t mins, maxs;
- int i;
-
- // check to make sure the brushes are ok
-
- for (b=selected_brushes.next ; b != &selected_brushes ; b=b->next)
- if (b->owner != world_entity)
- {
- Sys_Printf ("Entity NOT created, brushes not all from world\n");
- Sys_Beep ();
- return NULL;
- }
-
- // create it
-
- e = qmalloc(sizeof(*e));
- e->brushes.onext = e->brushes.oprev = &e->brushes;
- e->eclass = c;
- SetKeyValue (e, "classname", c->name);
-
- // add the entity to the entity list
- e->next = entities.next;
- entities.next = e;
- e->next->prev = e;
- e->prev = &entities;
-
- if (c->fixedsize)
- {
- //
- // just use the selection for positioning
- //
- b = selected_brushes.next;
- for (i=0 ; i<3 ; i++)
- e->origin[i] = b->mins[i] - c->mins[i];
-
- // create a custom brush
- VectorAdd (c->mins, e->origin, mins);
- VectorAdd (c->maxs, e->origin, maxs);
- b = Brush_Create (mins, maxs, &c->texdef);
-
- Entity_LinkBrush (e, b);
-
- // delete the current selection
- Select_Delete ();
-
- // select the new brush
- b->next = b->prev = &selected_brushes;
- selected_brushes.next = selected_brushes.prev = b;
-
- Brush_Build( b );
- }
- else
- {
- //
- // change the selected brushes over to the new entity
- //
- for (b=selected_brushes.next ; b != &selected_brushes ; b=b->next)
- {
- Entity_UnlinkBrush (b);
- Entity_LinkBrush (e, b);
- Brush_Build( b ); // so the key brush gets a name
- }
- }
-
- Sys_UpdateWindows (W_ALL);
- return e;
- }
-
-
- /*
- ===========
- Entity_LinkBrush
- ===========
- */
- void Entity_LinkBrush (entity_t *e, brush_t *b)
- {
- if (b->oprev || b->onext)
- Error ("Entity_LinkBrush: Allready linked");
- b->owner = e;
-
- b->onext = e->brushes.onext;
- b->oprev = &e->brushes;
- e->brushes.onext->oprev = b;
- e->brushes.onext = b;
- }
-
- /*
- ===========
- Entity_UnlinkBrush
- ===========
- */
- void Entity_UnlinkBrush (brush_t *b)
- {
- if (!b->owner || !b->onext || !b->oprev)
- Error ("Entity_UnlinkBrush: Not currently linked");
- b->onext->oprev = b->oprev;
- b->oprev->onext = b->onext;
- b->onext = b->oprev = NULL;
- b->owner = NULL;
- }
-
-
-
- /*
- ===========
- Entity_Clone
- ===========
- */
- entity_t *Entity_Clone (entity_t *e)
- {
- entity_t *n;
- epair_t *ep, *np;
-
- n = qmalloc(sizeof(*n));
- n->brushes.onext = n->brushes.oprev = &n->brushes;
- n->eclass = e->eclass;
-
- // add the entity to the entity list
- n->next = entities.next;
- entities.next = n;
- n->next->prev = n;
- n->prev = &entities;
-
- for (ep = e->epairs ; ep ; ep=ep->next)
- {
- np = qmalloc(sizeof(*np));
- np->key = copystring(ep->key);
- np->value = copystring(ep->value);
- np->next = n->epairs;
- n->epairs = np;
- }
- return n;
- }
-
- int GetUniqueTargetId(int iHint)
- {
- int iMin, iMax, i;
- BOOL fFound;
- entity_t *pe;
-
- fFound = FALSE;
- pe = entities.next;
- iMin = 0;
- iMax = 0;
-
- for (; pe != NULL && pe != &entities ; pe = pe->next)
- {
- i = IntForKey(pe, "target");
- if (i)
- {
- iMin = min(i, iMin);
- iMax = max(i, iMax);
- if (i == iHint)
- fFound = TRUE;
- }
- }
-
- if (fFound)
- return iMax + 1;
- else
- return iHint;
- }
-
- entity_t *FindEntity(char *pszKey, char *pszValue)
- {
- entity_t *pe;
-
- pe = entities.next;
-
- for (; pe != NULL && pe != &entities ; pe = pe->next)
- {
- if (!strcmp(ValueForKey(pe, pszKey), pszValue))
- return pe;
- }
-
- return NULL;
- }
-
- entity_t *FindEntityInt(char *pszKey, int iValue)
- {
- entity_t *pe;
-
- pe = entities.next;
-
- for (; pe != NULL && pe != &entities ; pe = pe->next)
- {
- if (IntForKey(pe, pszKey) == iValue)
- return pe;
- }
-
- return NULL;
- }
-
-