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/*
model/material.cc
This file is part of the Osirion project and is distributed under
the terms of the GNU General Public License version 2
*/
#include <string>
#include "auxiliary/functions.h"
#include "filesystem/filestream.h"
#include "math/functions.h"
#include "model/material.h"
#include "sys/sys.h"
namespace model
{
Material::Material(const std::string &name) : material_name(name), material_color(1.0f)
{
aux::to_lowercase(material_name);
material_flags = 0;
}
Material::~Material()
{
}
void Material::set_color(const math::Color &color)
{
material_color.assign(color);
material_color.a = 1.0f;
}
Material::Registry Material::material_registry;
void Material::init()
{
con_print << "^BInitializing materials..." << std::endl;
filesystem::IFileStream shaderlist("materials/shaderlist.txt");
if (!shaderlist.is_open()) {
con_warn << "Could not open " << shaderlist.name() << std::endl;
return;
}
con_debug << " " << shaderlist.name() << std::endl;
char line[1024];
while (shaderlist.getline(line, 1023)) {
if ((line[0] == 0) || (line[0] == '#') || (line[0] == ';')) {
continue;
} else {
std::string s(line);
aux::trim(s);
load_shader(s);
}
}
shaderlist.close();
}
void Material::add(Material *material)
{
if (!find(material->name())) {
material_registry[material->name()] = material;
}
}
void Material::load_shader(const std::string &shadername)
{
std::string shaderfilename("materials/");
shaderfilename.append(shadername);
shaderfilename.append(".shader");
filesystem::IFileStream shaderfile(shaderfilename);
if (!shaderfile.is_open()) {
con_warn << "Could not open " << shaderfile.name() << std::endl;
return;
}
int parselevel = 0;
unsigned int linenumber = 0;
char line[1024];
unsigned int count = 0;
float r,g,b;
Material *material = 0;
while (shaderfile.getline(line, 1023)) {
linenumber++;
// read materials
std::string s(line);
aux::trim(s);
// skip empty lines
if (!s.size())
continue;
// skip comments
if ((s[0] == '#') || (s[0] == ';') || ((s[0] == '/') && (s[1] == '/')))
continue;
std::istringstream linestream(s);
std::string firstword;
if (linestream >> firstword) {
if (firstword.compare("}") == 0) {
parselevel--;
} else if (firstword.compare("{") == 0) {
parselevel++;
} else if ((firstword.size()) && (parselevel == 0) ) {
if (firstword.compare(0, 9, "textures/") == 0) {
firstword.erase(0, 9);
material = find(firstword);
if (material) {
con_warn << "Duplicate material '" << firstword << "'" << std::endl;
} else {
material = new Material(firstword);
add(material);
con_debug << " " << firstword << std::endl;
}
count++;
}
} else if ((parselevel == 1) && (material)) {
aux::to_lowercase(firstword);
if (firstword.compare("color") == 0) {
if (linestream >> r >> g >> b) {
if (math::max(r, math::max(g, b)) > 1.0f) {
r /= 255.0f; g /= 255.0f; b /= 255.0f;
}
material->set_color(math::Color(r, g, b, 1.0f));
}
} else if (firstword.compare("engine") == 0) {
material->set_flags(Engine);
} else if (firstword.compare("bright") == 0) {
material->set_flags(Bright);
} else if (firstword.compare("environment") == 0) {
material->set_flags(Environment);
} else if (firstword.compare("entity") == 0) {
material->set_flags(Primary);
} else if (firstword.compare("entitysecond") == 0) {
material->set_flags(Secondary);
} else if (firstword.compare("entitythird") == 0) {
material->set_flags(Tertiary);
} else if (firstword.compare("qer_editorimage") == 0) {
continue;
} else if (firstword.compare("qer_trans") == 0) {
continue;
} else {
con_warn << shaderfile.name() << " unknown key '" << firstword
<< "' at line " << linenumber << std::endl;
}
}
}
}
con_debug << " " << shaderfile.name() << " " << count << " materials " << std::endl;
shaderfile.close();
}
void Material::shutdown()
{
clear();
}
void Material::clear()
{
con_print << "^BClearing materials..." << std::endl;
for (Registry::iterator i = material_registry.begin(); i != material_registry.end(); ++i) {
delete (*i).second;
}
material_registry.clear();
}
void Material::list()
{
for (Registry::iterator i = material_registry.begin(); i != material_registry.end(); ++i) {
con_print << " " << (*i).second->name() << std::endl;
}
con_print << material_registry.size() << " registered materials" << std::endl;
}
Material *Material::find(const std::string &name)
{
for (Registry::iterator i = material_registry.begin(); i != material_registry.end(); ++i) {
if ((*i).first.compare(name) == 0)
return (*i).second;
}
return 0;
}
}
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