1 /*
2    Copyright (C) 2001-2006, William Joseph.
3    All Rights Reserved.
4 
5    This file is part of GtkRadiant.
6 
7    GtkRadiant is free software; you can redistribute it and/or modify
8    it under the terms of the GNU General Public License as published by
9    the Free Software Foundation; either version 2 of the License, or
10    (at your option) any later version.
11 
12    GtkRadiant is distributed in the hope that it will be useful,
13    but WITHOUT ANY WARRANTY; without even the implied warranty of
14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15    GNU General Public License for more details.
16 
17    You should have received a copy of the GNU General Public License
18    along with GtkRadiant; if not, write to the Free Software
19    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
20  */
21 
22 #if !defined( INCLUDED_MODELSKINKEY_H )
23 #define INCLUDED_MODELSKINKEY_H
24 
25 #include "modelskin.h"
26 
27 #include "os/path.h"
28 #include "stream/stringstream.h"
29 #include "moduleobserver.h"
30 #include "entitylib.h"
31 #include "traverselib.h"
32 
parseTextureName(CopiedString & name,const char * token)33 inline void parseTextureName( CopiedString& name, const char* token ){
34 	StringOutputStream cleaned( 256 );
35 	cleaned << PathCleaned( token );
36 	name = StringRange( cleaned.c_str(), path_get_filename_base_end( cleaned.c_str() ) ); // remove extension
37 }
38 
39 class ModelSkinKey : public ModuleObserver
40 {
41 CopiedString m_name;
42 ModelSkin* m_skin;
43 Callback m_skinChangedCallback;
44 
45 ModelSkinKey( const ModelSkinKey& );
46 ModelSkinKey operator=( const ModelSkinKey& );
47 
construct()48 void construct(){
49 	m_skin = &GlobalModelSkinCache().capture( m_name.c_str() );
50 	m_skin->attach( *this );
51 }
destroy()52 void destroy(){
53 	m_skin->detach( *this );
54 	GlobalModelSkinCache().release( m_name.c_str() );
55 }
56 
57 public:
ModelSkinKey(const Callback & skinChangedCallback)58 ModelSkinKey( const Callback& skinChangedCallback ) : m_skinChangedCallback( skinChangedCallback ){
59 	construct();
60 }
~ModelSkinKey()61 ~ModelSkinKey(){
62 	destroy();
63 }
get()64 ModelSkin& get() const {
65 	return *m_skin;
66 }
skinChanged(const char * value)67 void skinChanged( const char* value ){
68 	destroy();
69 	parseTextureName( m_name, value );
70 	construct();
71 }
72 typedef MemberCaller1<ModelSkinKey, const char*, &ModelSkinKey::skinChanged> SkinChangedCaller;
73 
realise()74 void realise(){
75 	m_skinChangedCallback();
76 }
unrealise()77 void unrealise(){
78 }
79 };
80 
81 class InstanceSkinChanged : public scene::Instantiable::Visitor
82 {
83 public:
visit(scene::Instance & instance)84 void visit( scene::Instance& instance ) const {
85 	//\todo don't do this for instances that are not children of the entity setting the skin
86 	SkinnedModel* skinned = InstanceTypeCast<SkinnedModel>::cast( instance );
87 	if ( skinned != 0 ) {
88 		skinned->skinChanged();
89 	}
90 }
91 };
92 
Node_modelSkinChanged(scene::Node & node)93 inline void Node_modelSkinChanged( scene::Node& node ){
94 	scene::Instantiable* instantiable = Node_getInstantiable( node );
95 	ASSERT_NOTNULL( instantiable );
96 	instantiable->forEachInstance( InstanceSkinChanged() );
97 }
98 
99 #endif
100