Gabriele Cosmo
123 lines
3.5 KiB
Plaintext
123 lines
3.5 KiB
Plaintext
// Copyright (C) 2010, Guy Barrand. All rights reserved.
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// See the file tools.license for terms.
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#ifndef tools_sg_gstos
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#define tools_sg_gstos
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#include "render_manager"
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#include <vector>
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#include <ostream>
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//#define TOOLS_SG_GSTOS_DEBUG
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namespace tools {
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namespace sg {
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class gstos {
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protected:
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gstos() {}
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virtual ~gstos() {clean_gstos();}
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protected:
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gstos(const gstos&) {}
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gstos& operator=(const gstos& a_from) {
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if(&a_from==this) return *this;
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clean_gstos();
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return *this;
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}
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public:
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size_t num_gstos() const {return m_gstos.size();}
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protected:
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unsigned int get_tex_id(std::ostream& a_out,render_manager& a_mgr,const img_byte& a_img,bool a_NEAREST) {
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unsigned int _id = _find(&a_mgr);
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if(_id && !a_mgr.is_gsto_id_valid(_id)){
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#ifdef TOOLS_SG_GSTOS_DEBUG
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a_out << "debug : tools::sg::gstos::get_tex_id : " << _id << " not valid." << std::endl;
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#endif
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clean_gstos(&a_mgr);
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_id = 0;
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}
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if(!_id) {
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#ifdef TOOLS_SG_GSTOS_DEBUG
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a_out << "debug : tools::sg::gstos::get_tex_id : create_texture ... " << std::endl;
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#endif
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_id = a_mgr.create_texture(a_img,a_NEAREST);
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#ifdef TOOLS_SG_GSTOS_DEBUG
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a_out << "debug : tools::sg::gstos::get_tex_id : create_texture : _id " << _id << "." << std::endl;
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#endif
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if(!_id) {
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a_out << "tools::sg::gstos::get_tex_id :"
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<< " render_manager.create_texture() failed."
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<< std::endl;
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} else {
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m_gstos.push_back(std::pair<unsigned int,render_manager*>(_id,&a_mgr));
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}
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}
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return _id;
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}
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protected:
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virtual unsigned int create_gsto(std::ostream&,render_manager&) {return 0;}
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unsigned int get_gsto_id(std::ostream& a_out,render_manager& a_mgr){
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unsigned int _id = _find(&a_mgr);
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if(_id && !a_mgr.is_gsto_id_valid(_id)){
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#ifdef TOOLS_SG_GSTOS_DEBUG
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a_out << "debug : tools::sg::gstos::get_gsto_id : " << _id << " not valid." << std::endl;
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#endif
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clean_gstos(&a_mgr);
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_id = 0;
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}
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if(!_id) {
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#ifdef TOOLS_SG_GSTOS_DEBUG
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a_out << "debug : tools::sg::gstos::get_gsto_id : create_gsto ..." << std::endl;
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#endif
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_id = create_gsto(a_out,a_mgr);
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#ifdef TOOLS_SG_GSTOS_DEBUG
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a_out << "debug : tools::sg::gstos::get_gsto_id : create_gsto : _id " << _id << "." << std::endl;
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#endif
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if(!_id) {
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// could be ok if there is no graphical data to load.
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//a_out << "tools::sg::gstos::get_gsto_id :"
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// << " create_gsto() failed."
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// << std::endl;
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} else {
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m_gstos.push_back(std::pair<unsigned int,render_manager*>(_id,&a_mgr));
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}
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}
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return _id;
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}
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protected:
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void clean_gstos() {
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std::vector< std::pair<unsigned int,render_manager*> >::iterator it;
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for(it=m_gstos.begin();it!=m_gstos.end();){
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(*it).second->delete_gsto((*it).first);
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it = m_gstos.erase(it);
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}
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}
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void clean_gstos(render_manager* a_mgr) {
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std::vector< std::pair<unsigned int,render_manager*> >::iterator it;
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for(it=m_gstos.begin();it!=m_gstos.end();){
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if((*it).second==a_mgr) {
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(*it).second->delete_gsto((*it).first);
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it = m_gstos.erase(it);
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} else {
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it++;
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}
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}
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}
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protected:
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unsigned int _find(render_manager* a_mgr) {
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std::vector< std::pair<unsigned int,render_manager*> >::iterator it;
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for(it=m_gstos.begin();it!=m_gstos.end();++it){
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if((*it).second==a_mgr) return (*it).first;
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}
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return 0;
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}
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protected:
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std::vector< std::pair<unsigned int,render_manager*> > m_gstos;
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};
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}}
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#endif
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