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1 // Copyright (C) 2010, Guy Barrand. All rights 1 // Copyright (C) 2010, Guy Barrand. All rights reserved.
2 // See the file tools.license for terms. 2 // See the file tools.license for terms.
3 3
4 #ifndef tools_sg_gstos 4 #ifndef tools_sg_gstos
5 #define tools_sg_gstos 5 #define tools_sg_gstos
6 6
7 #include "render_manager" 7 #include "render_manager"
8 #include <vector> 8 #include <vector>
9 #include <ostream> 9 #include <ostream>
10 10
11 //#define TOOLS_SG_GSTOS_DEBUG 11 //#define TOOLS_SG_GSTOS_DEBUG
12 12
13 namespace tools { 13 namespace tools {
14 namespace sg { 14 namespace sg {
15 15
16 class gstos { 16 class gstos {
17 protected: 17 protected:
18 gstos() {} 18 gstos() {}
19 virtual ~gstos() {clean_gstos();} 19 virtual ~gstos() {clean_gstos();}
20 protected: 20 protected:
21 gstos(const gstos&) {} 21 gstos(const gstos&) {}
22 gstos& operator=(const gstos& a_from) { 22 gstos& operator=(const gstos& a_from) {
23 if(&a_from==this) return *this; 23 if(&a_from==this) return *this;
24 clean_gstos(); 24 clean_gstos();
25 return *this; 25 return *this;
26 } 26 }
27 public: 27 public:
28 size_t num_gstos() const {return m_gstos.siz 28 size_t num_gstos() const {return m_gstos.size();}
29 protected: 29 protected:
30 unsigned int get_tex_id(std::ostream& a_out, 30 unsigned int get_tex_id(std::ostream& a_out,render_manager& a_mgr,const img_byte& a_img,bool a_NEAREST) {
31 unsigned int _id = _find(&a_mgr); 31 unsigned int _id = _find(&a_mgr);
32 if(_id && !a_mgr.is_gsto_id_valid(_id)){ 32 if(_id && !a_mgr.is_gsto_id_valid(_id)){
33 #ifdef TOOLS_SG_GSTOS_DEBUG 33 #ifdef TOOLS_SG_GSTOS_DEBUG
34 a_out << "debug : tools::sg::gstos::get_ 34 a_out << "debug : tools::sg::gstos::get_tex_id : " << _id << " not valid." << std::endl;
35 #endif 35 #endif
36 clean_gstos(&a_mgr); 36 clean_gstos(&a_mgr);
37 _id = 0; 37 _id = 0;
38 } 38 }
39 if(!_id) { 39 if(!_id) {
40 #ifdef TOOLS_SG_GSTOS_DEBUG 40 #ifdef TOOLS_SG_GSTOS_DEBUG
41 a_out << "debug : tools::sg::gstos::get_ 41 a_out << "debug : tools::sg::gstos::get_tex_id : create_texture ... " << std::endl;
42 #endif 42 #endif
43 _id = a_mgr.create_texture(a_img,a_NEARE 43 _id = a_mgr.create_texture(a_img,a_NEAREST);
44 #ifdef TOOLS_SG_GSTOS_DEBUG 44 #ifdef TOOLS_SG_GSTOS_DEBUG
45 a_out << "debug : tools::sg::gstos::get_ 45 a_out << "debug : tools::sg::gstos::get_tex_id : create_texture : _id " << _id << "." << std::endl;
46 #endif 46 #endif
47 if(!_id) { 47 if(!_id) {
48 a_out << "tools::sg::gstos::get_tex_id 48 a_out << "tools::sg::gstos::get_tex_id :"
49 << " render_manager.create_textu 49 << " render_manager.create_texture() failed."
50 << std::endl; 50 << std::endl;
51 } else { 51 } else {
52 m_gstos.push_back(std::pair<unsigned i 52 m_gstos.push_back(std::pair<unsigned int,render_manager*>(_id,&a_mgr));
53 } 53 }
54 } 54 }
55 return _id; 55 return _id;
56 } 56 }
57 protected: 57 protected:
58 virtual unsigned int create_gsto(std::ostrea 58 virtual unsigned int create_gsto(std::ostream&,render_manager&) {return 0;}
59 59
60 unsigned int get_gsto_id(std::ostream& a_out 60 unsigned int get_gsto_id(std::ostream& a_out,render_manager& a_mgr){
61 unsigned int _id = _find(&a_mgr); 61 unsigned int _id = _find(&a_mgr);
62 if(_id && !a_mgr.is_gsto_id_valid(_id)){ 62 if(_id && !a_mgr.is_gsto_id_valid(_id)){
63 #ifdef TOOLS_SG_GSTOS_DEBUG 63 #ifdef TOOLS_SG_GSTOS_DEBUG
64 a_out << "debug : tools::sg::gstos::get_ 64 a_out << "debug : tools::sg::gstos::get_gsto_id : " << _id << " not valid." << std::endl;
65 #endif 65 #endif
66 clean_gstos(&a_mgr); 66 clean_gstos(&a_mgr);
67 _id = 0; 67 _id = 0;
68 } 68 }
69 if(!_id) { 69 if(!_id) {
70 #ifdef TOOLS_SG_GSTOS_DEBUG 70 #ifdef TOOLS_SG_GSTOS_DEBUG
71 a_out << "debug : tools::sg::gstos::get_ 71 a_out << "debug : tools::sg::gstos::get_gsto_id : create_gsto ..." << std::endl;
72 #endif 72 #endif
73 _id = create_gsto(a_out,a_mgr); 73 _id = create_gsto(a_out,a_mgr);
74 #ifdef TOOLS_SG_GSTOS_DEBUG 74 #ifdef TOOLS_SG_GSTOS_DEBUG
75 a_out << "debug : tools::sg::gstos::get_ 75 a_out << "debug : tools::sg::gstos::get_gsto_id : create_gsto : _id " << _id << "." << std::endl;
76 #endif 76 #endif
77 if(!_id) { 77 if(!_id) {
78 // could be ok if there is no graphica 78 // could be ok if there is no graphical data to load.
79 //a_out << "tools::sg::gstos::get_gsto 79 //a_out << "tools::sg::gstos::get_gsto_id :"
80 // << " create_gsto() failed." 80 // << " create_gsto() failed."
81 // << std::endl; 81 // << std::endl;
82 } else { 82 } else {
83 m_gstos.push_back(std::pair<unsigned i 83 m_gstos.push_back(std::pair<unsigned int,render_manager*>(_id,&a_mgr));
84 } 84 }
85 } 85 }
86 return _id; 86 return _id;
87 } 87 }
88 protected: 88 protected:
89 void clean_gstos() { 89 void clean_gstos() {
90 std::vector< std::pair<unsigned int,render 90 std::vector< std::pair<unsigned int,render_manager*> >::iterator it;
91 for(it=m_gstos.begin();it!=m_gstos.end();) 91 for(it=m_gstos.begin();it!=m_gstos.end();){
92 (*it).second->delete_gsto((*it).first); 92 (*it).second->delete_gsto((*it).first);
93 it = m_gstos.erase(it); 93 it = m_gstos.erase(it);
94 } 94 }
95 } 95 }
96 void clean_gstos(render_manager* a_mgr) { 96 void clean_gstos(render_manager* a_mgr) {
97 std::vector< std::pair<unsigned int,render 97 std::vector< std::pair<unsigned int,render_manager*> >::iterator it;
98 for(it=m_gstos.begin();it!=m_gstos.end();) 98 for(it=m_gstos.begin();it!=m_gstos.end();){
99 if((*it).second==a_mgr) { 99 if((*it).second==a_mgr) {
100 (*it).second->delete_gsto((*it).first) 100 (*it).second->delete_gsto((*it).first);
101 it = m_gstos.erase(it); 101 it = m_gstos.erase(it);
102 } else { 102 } else {
103 it++; 103 it++;
104 } 104 }
105 } 105 }
106 } 106 }
107 protected: 107 protected:
108 unsigned int _find(render_manager* a_mgr) { 108 unsigned int _find(render_manager* a_mgr) {
109 std::vector< std::pair<unsigned int,render 109 std::vector< std::pair<unsigned int,render_manager*> >::iterator it;
110 for(it=m_gstos.begin();it!=m_gstos.end();+ 110 for(it=m_gstos.begin();it!=m_gstos.end();++it){
111 if((*it).second==a_mgr) return (*it).fir 111 if((*it).second==a_mgr) return (*it).first;
112 } 112 }
113 return 0; 113 return 0;
114 } 114 }
115 115
116 protected: 116 protected:
117 std::vector< std::pair<unsigned int,render_m 117 std::vector< std::pair<unsigned int,render_manager*> > m_gstos;
118 }; 118 };
119 119
120 }} 120 }}
121 121
122 #endif 122 #endif