55c7bbe600
better particle parameters. 2) Minor work on smoke particle system, not finished. git-svn-id: svn+ssh://svn.code.sf.net/p/supertuxkart/code/main/branches/irrlicht@3573 178a84e3-b1eb-0310-8ba1-8eac791a3b58
199 lines
7.2 KiB
C++
199 lines
7.2 KiB
C++
// $Id$
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//
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// SuperTuxKart - a fun racing game with go-kart
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// Copyright (C) 2004 Steve Baker <sjbaker1@airmail.net>
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License
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// as published by the Free Software Foundation; either version 3
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// of the License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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#include "material_manager.hpp"
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#include <stdexcept>
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#include <sstream>
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#include "material.hpp"
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#include "io/file_manager.hpp"
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#include "io/xml_node.hpp"
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#include "utils/string_utils.hpp"
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MaterialManager *material_manager=0;
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MaterialManager::MaterialManager()
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{
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/* Create list - and default material zero */
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m_materials.reserve(256);
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// We can't call init/loadMaterial here, since the global variable
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// material_manager has not yet been initialised, and
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// material_manager is used in the Material constructor.
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// Therefore, the code for loading the material had to
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// be moved into a separate function.
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}
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//-----------------------------------------------------------------------------
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/** Searches for the material in the given texture, and calls a function
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* in the material to set the irrlicht material flags.
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* \param t Pointer to the texture.
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* \param mb Pointer to the mesh buffer.
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*/
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void MaterialManager::setAllMaterialFlags(video::ITexture* t,
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scene::IMeshBuffer *mb) const
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{
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const std::string image = StringUtils::basename(t->getName().c_str());
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// Search backward so that temporary (track) textures are found first
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for(int i = (int)m_materials.size()-1; i>=0; i-- )
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{
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if(m_materials[i]->getTexFname()==image)
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m_materials[i]->setMaterialProperties(&(mb->getMaterial()));
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} // for i
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} // setAllMaterialFlags
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//-----------------------------------------------------------------------------
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int MaterialManager::addEntity(Material *m)
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{
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m_materials.push_back(m);
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return (int)m_materials.size()-1;
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}
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//-----------------------------------------------------------------------------
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void MaterialManager::reInit()
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{
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for(std::vector<Material*>::const_iterator i=m_materials.begin();
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i!=m_materials.end(); i++)
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{
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delete *i;
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}
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m_materials.clear();
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loadMaterial();
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} // reInit
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//-----------------------------------------------------------------------------
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void MaterialManager::loadMaterial()
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{
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// Use temp material for reading, but then set the shared
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// material index later, so that these materials are not popped
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const std::string fname = "materials.xml";
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std::string full_name = file_manager->getTextureFile(fname);
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addSharedMaterial(full_name);
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// Save index of shared textures
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m_shared_material_index = (int)m_materials.size();
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} // MaterialManager
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//-----------------------------------------------------------------------------
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void MaterialManager::addSharedMaterial(const std::string& filename)
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{
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// Use temp material for reading, but then set the shared
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// material index later, so that these materials are not popped
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if(filename=="")
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{
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std::ostringstream msg;
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msg<<"FATAL: File '"<<filename<<"' not found\n";
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throw std::runtime_error(msg.str());
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}
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if(!pushTempMaterial(filename))
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{
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std::ostringstream msg;
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msg <<"FATAL: Parsing error in '"<<filename<<"'\n";
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throw std::runtime_error(msg.str());
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}
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m_shared_material_index = (int)m_materials.size();
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} // addSharedMaterial
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//-----------------------------------------------------------------------------
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bool MaterialManager::pushTempMaterial(const std::string& filename)
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{
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XMLNode *root = file_manager->createXMLTree(filename);
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if(!root || root->getName()!="materials")
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{
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if(root) delete root;
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return true;
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}
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for(unsigned int i=0; i<root->getNumNodes(); i++)
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{
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const XMLNode *node = root->getNode(i);
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if(!node)
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{
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// We don't have access to the filename at this stage anymore :(
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fprintf(stderr, "Unknown node in material.dat file\n");
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exit(-1);
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}
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try
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{
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m_materials.push_back(new Material(node, m_materials.size()));
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}
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catch(std::exception& e)
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{
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// The message contains a '%s' for the filename
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fprintf(stderr, e.what(), filename.c_str());
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}
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} // for i<xml->getNumNodes)(
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delete root;
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return true;
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} // pushTempMaterial
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//-----------------------------------------------------------------------------
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void MaterialManager::popTempMaterial()
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{
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for(int i=(int)m_materials.size()-1; i>=this->m_shared_material_index; i--)
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{
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delete m_materials[i];
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m_materials.pop_back();
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} // for i
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} // popTempMaterial
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//-----------------------------------------------------------------------------
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/** Returns the material of a given name, if it doesn't exist, it is loaded.
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* Materials that are just loaded are not permanent, and so get deleted after
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* a race (this is used to load temporary, track specific materials). To make
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* material permanent, make_permanent must be set to true. This is used for
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* the powerup_manager, since not all icons for the powerups are listed in the
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* materials.dat file, causing the missing ones to be temporary only (and
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* then get deleted after one race, causing the powerup_manager to have
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* invalid pointers.
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* \param fname Name of the material.
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* \param is_full_path True if the name includes the path (defaults to false)
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* \param make_permanent True if this material should be kept in memory
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* (defaults to false)
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*/
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Material *MaterialManager::getMaterial(const std::string& fname,
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bool is_full_path,
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bool make_permanent)
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{
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if(fname=="")
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{
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// This happens while reading the stk_config file, which contains
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// kart_properties information (but no icon file): since at this
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// stage loadMaterial() hasn't been called, an exception can be
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// triggered here (as it happened with visual c++), when
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// m_materials[0] is accessed.
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if(m_materials.size()>=1) return m_materials[0];
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return NULL;
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}
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std::string basename=StringUtils::basename(fname);
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// Search backward so that temporary (track) textures are found first
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for(int i = (int)m_materials.size()-1; i>=0; i-- )
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{
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if(m_materials[i]->getTexFname()==basename) return m_materials[i];
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}
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// Add the new material
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Material* m=new Material(fname, m_materials.size(), is_full_path);
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m_materials.push_back(m);
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if(make_permanent) m_shared_material_index = (int)m_materials.size();
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return m ;
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} // getMaterial
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