gtkradiant/plugins/entity/entity.cpp
2012-03-17 15:01:54 -05:00

355 lines
8.2 KiB
C++

/*
Copyright (C) 1999-2007 id Software, Inc. and contributors.
For a list of contributors, see the accompanying CONTRIBUTORS file.
This file is part of GtkRadiant.
GtkRadiant 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.
GtkRadiant 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 GtkRadiant; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "plugin.h"
#include "entity.h"
#include "entity_entitymodel.h"
#include "light.h"
int g_entityId = 1;
// internal
static void Entity_FreeEpairs( entity_t *e );
static void SetKeyValue( epair_t *&e, const char *key, const char *value );
static void DeleteKey( epair_t *&e, const char *key );
static const char *ValueForKey( epair_t *&e, const char *key );
static void Entity_OnKeyValueChanged( entity_t *e, const char* key, const char* value );
// constructor
entity_t *Entity_Alloc(){
entity_t *e;
e = (entity_t*)malloc( sizeof( *e ) );
e->entityId = g_entityId++;
VectorSet( e->origin, 0, 0, 0 );
VectorSet( e->color, 1, 1, 1 );
e->redoId = 0;
e->undoId = 0;
e->next = e->prev = NULL;
e->brushes.onext = e->brushes.oprev = &e->brushes;
e->epairs = NULL;
e->eclass = NULL;
e->model.pRender = NULL;
e->model.pSelect = NULL;
e->model.pEdit = NULL;
return e;
}
// destructor
void Entity_Free( entity_t *e ){
while ( e->brushes.onext != &e->brushes )
Brush_Free( e->brushes.onext, true );
if ( e->next ) {
e->next->prev = e->prev;
e->prev->next = e->next;
}
Entity_FreeEpairs( e );
if ( e->model.pRender ) {
e->model.pRender->DecRef();
e->model.pRender = NULL;
}
if ( e->model.pSelect ) {
e->model.pSelect->DecRef();
e->model.pSelect = NULL;
}
if ( e->model.pEdit ) {
e->model.pEdit->DecRef();
e->model.pEdit = NULL;
}
free( e );
}
// construct from entity
entity_t *Entity_Clone( entity_t *e ){
entity_t *n;
epair_t *ep;
n = Entity_Alloc();
n->eclass = e->eclass;
for ( ep = e->epairs ; ep ; ep = ep->next )
SetKeyValue( n, ep->key, ep->value );
// copy some misc stuff as well
VectorCopy( e->origin, n->origin );
// VectorCopy( e->vRotation, n->vRotation );
// VectorCopy( e->vScale, n->vScale );
// n->bDirty = true;
return n;
}
const char *ValueForKey( epair_t *&e, const char *key ){
epair_t *ep;
for ( ep = e ; ep ; ep = ep->next )
{
if ( !strcmp( ep->key, key ) ) {
return ep->value;
}
}
return "";
}
const char *ValueForKey( entity_t *ent, const char *key ){
return ValueForKey( ent->epairs, key );
}
void SetKeyValue( epair_t *&e, const char *key, const char *value ){
epair_t *ep;
for ( ep = e ; ep ; ep = ep->next )
{
if ( !strcmp( ep->key, key ) ) {
free( ep->value );
ep->value = (char*)malloc( strlen( value ) + 1 );
strcpy( ep->value, value );
return;
}
}
ep = (epair_t*)malloc( sizeof( *ep ) );
ep->next = e;
e = ep;
ep->key = (char*)malloc( strlen( key ) + 1 );
strcpy( ep->key, key );
ep->value = (char*)malloc( strlen( value ) + 1 );
strcpy( ep->value, value );
}
void SetKeyValue( entity_t *ent, const char *key, const char *value ){
if ( ent == NULL ) {
Sys_FPrintf( SYS_ERR, "ERROR: SetKeyValue: NULL entity \n" );
return;
}
if ( !key || !key[0] ) {
Sys_FPrintf( SYS_ERR, "ERROR: SetKeyValue: NULL or zero-length key\n" );
return;
}
SetKeyValue( ent->epairs, key, value );
/*!
\todo TODO broadcast this through a clean messaging API ;-)
*/
Entity_OnKeyValueChanged( ent, key, value );
}
void DeleteKey( epair_t *&e, const char *key ){
epair_t **ep, *next;
ep = &e;
while ( *ep )
{
next = *ep;
if ( !strcmp( next->key, key ) ) {
*ep = next->next;
free( next->key );
free( next->value );
free( next );
return;
}
ep = &next->next;
}
}
void DeleteKey( entity_t *ent, const char *key ){
DeleteKey( ent->epairs, key );
Entity_OnKeyValueChanged( ent, key, "" );
}
float FloatForKey( entity_t *ent, const char *key ){
const char *k;
k = ValueForKey( ent, key );
return (float) atof( k );
}
int IntForKey( entity_t *ent, const char *key ){
const char *k;
k = ValueForKey( ent, key );
return atoi( k );
}
void GetVectorForKey( entity_t *ent, const char *key, vec3_t vec ){
const char *k;
k = ValueForKey( ent, key );
sscanf( k, "%f %f %f", &vec[0], &vec[1], &vec[2] );
}
/*
===============
Entity_FreeEpairs
Frees the entity epairs.
===============
*/
void Entity_FreeEpairs( entity_t *e ){
epair_t *ep, *next;
for ( ep = e->epairs; ep; ep = next )
{
next = ep->next;
free( ep->key );
free( ep->value );
free( ep );
}
e->epairs = NULL;
}
void Entity_AddToList( entity_t *e, entity_t *elist ){
if ( e->next || e->prev ) {
Error( "Entity_AddToList: already linked" );
}
//e->next = elist->next;
//elist->next->prev = e;
//elist->next = e;
//e->prev = elist;
e->next = elist;
e->prev = elist->prev;
elist->prev->next = e;
elist->prev = e;
}
void Entity_RemoveFromList( entity_t *e ){
if ( !e->next || !e->prev ) {
Error( "Entity_RemoveFromList: not linked" );
}
e->next->prev = e->prev;
e->prev->next = e->next;
e->next = e->prev = NULL;
}
void Entity_LinkBrush( entity_t *e, brush_t *b ){
if ( b->oprev || b->onext ) {
Error( "Entity_LinkBrush: Already linked" );
}
b->owner = e;
// b->onext = e->brushes.onext;
// b->oprev = &e->brushes;
// e->brushes.onext->oprev = b;
// e->brushes.onext = b;
/*
SPoG - changed to add brushes to end of list instead of start - so this can be used by map loader.
This could concievably cause a problem if someone is traversing e->brushes while calling this function.
So don't.
*/
b->onext = &e->brushes;
b->oprev = e->brushes.oprev;
e->brushes.oprev->onext = b;
e->brushes.oprev = b;
}
void Entity_UnlinkBrush( brush_t *b ){
if ( !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;
}
// for undo
int Entity_MemorySize( entity_t *e ){
epair_t *ep;
int size = 0;
for ( ep = e->epairs; ep; ep = ep->next )
{
size += strlen( ep->key );
size += strlen( ep->value );
size += sizeof( epair_t );
}
size += sizeof( entity_t );
return size;
}
epair_t* Entity_AllocateEpair( const char *key, const char *value ){
epair_t *ep = (epair_t*)malloc( sizeof( *ep ) );
ep->key = (char*)malloc( strlen( key ) + 1 );
strcpy( ep->key, key );
ep->value = (char*)malloc( strlen( value ) + 1 );
strcpy( ep->value, value );
ep->next = NULL;
return ep;
}
epair_t** Entity_GetKeyValList( entity_t *e ){
return &e->epairs;
}
void Entity_SetKeyValList( entity_t *e, epair_t* ep ){
if ( e->epairs ) {
Sys_Printf( "Warning : pe->epairs != NULL in Entity_SetKeyValList, will not set\n" );
}
else {
e->epairs = ep;
for ( epair_t *pe_ep = e->epairs; pe_ep; pe_ep = pe_ep->next )
Entity_OnKeyValueChanged( e, pe_ep->key, pe_ep->value );
}
}
/*!
\todo FIXME TTimo
this is meant to raise messages instead of calling the IEdit directly
*/
static void Entity_OnKeyValueChanged( entity_t *e, const char *key, const char* value ){
if ( strcmp( key,"classname" ) == 0 ) {
e->eclass = Eclass_ForName( value, false );
Entity_UpdateClass( e, value );
if ( strcmp( value,"light" ) == 0 ) {
for ( epair_t* ep = e->epairs; ep != NULL; ep = ep->next )
Light_OnKeyValueChanged( e, ep->key, ep->value );
}
if ( e->model.pEdit ) {
for ( epair_t* ep = e->epairs; ep != NULL; ep = ep->next )
e->model.pEdit->OnKeyValueChanged( e, ep->key, ep->value );
}
}
else if ( Entity_IsLight( e ) ) {
Light_OnKeyValueChanged( e, key, value );
}
else if ( e->model.pEdit ) {
e->model.pEdit->OnKeyValueChanged( e, key, value );
}
// update brush mins/maxs for legacy culling system
if ( e->model.pRender && e->brushes.onext != &e->brushes ) {
Brush_Build( e->brushes.onext, true, true, false, true );
}
}