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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 "model/material.h"
#include "auxiliary/functions.h"
#include "filesystem/filestream.h"
#include "math/functions.h"
#include "sys/sys.h"
namespace model
{
Material::ImageLoaderFuncPtr Material::material_imageloaderfunc = 0;
Material::Registry Material::material_registry;
Material::Material(const std::string &name) :
material_name(name),
material_flags(0),
material_size(64.0f, 64.0f)
{
aux::to_lowercase(material_name);
}
Material::~Material()
{
for (Layers::iterator it = material_layers.begin(); it != material_layers.end(); ++it) {
delete (*it);
(*it) = 0;
}
}
void Material::set_size(const math::Vector2f & size)
{
material_size.assign(size);
}
Layer * Material::add_layer()
{
Layer * layer = new Layer();
material_layers.push_back(layer);
return (layer);
}
void Material::print()
{
con_print << name() << std::endl;
con_print << " flags: " << flags() << " ";
if (flags() == FlagNone) {
con_print << "none";
} else {
if (flags() & FlagIgnore) {
con_print << "ignore ";
}
if (flags() & FlagClip) {
con_print << "clip ";
}
if (flags() & FlagOrigin) {
con_print << "origin ";
}
if (flags() & FlagDecal) {
con_print << "decal ";
}
if (flags() & FlagBounds) {
con_print << "bounds ";
}
}
int count = 0;
for (Layers::const_iterator lit = material_layers.begin(); lit != material_layers.end(); ++lit) {
const Layer *layer = (*lit);
count++;
con_print << " layer " << count << std::endl;
con_print << " texture: ";
if (layer->texmap() == Layer::TexMapNone) {
con_print << "none";
} else if (layer->texmap() == Layer::TexMapImage) {
con_print << layer->texture();
}
con_print << std::endl;
con_print << " color: " << layer->color() << std::endl;
con_print << " rgbgen: ";
switch (layer->rgbgen()) {
case Layer::RGBGenIdentity:
con_print << "identity";
break;
case Layer::RGBGenColor:
con_print << "color";
break;
case Layer::RGBGenEngine:
con_print << "engine";
break;
case Layer::RGBGenPrimary:
con_print << "entity primary";
break;
case Layer::RGBGenSecondary:
con_print << "entity secondary";
break;
case Layer::RGBGenTertiary:
con_print << "entity tertiary";
break;
}
con_print << std::endl;
if (layer->fullbright()) {
con_print << " fullbright" << std::endl;
}
switch(layer->blendfunc()) {
case Layer::BlendFuncNone:
break;
case Layer::BlendFuncAdd:
con_print << " blendfunc: add" << std::endl;
break;
case Layer::BlendFuncBlend:
con_print << " blendfunc: blend" << std::endl;
break;
}
}
}
/* ---- static ----------------------------------------------------- */
void Material::init()
{
con_print << "^BInitializing materials..." << std::endl;
filesystem::IFileStream shaderlistfile("materials/shaderlist.txt");
if (!shaderlistfile.is_open()) {
con_warn << "Could not open " << shaderlistfile.name() << std::endl;
return;
}
con_debug << " " << shaderlistfile.name() << std::endl;
char line[1024];
while (shaderlistfile.getline(line, 1023)) {
if ((line[0] == 0) || (line[0] == '#') || (line[0] == ';')) {
continue;
if ((line[0] == '/') && (line[1] == '/'))
continue;
} else {
std::string s(line);
aux::trim(s);
load_shaderfile(s);
}
}
shaderlistfile.close();
}
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::shutdown()
{
clear();
}
void Material::load_shaderfile(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, a, shine;
Material *material = 0;
Layer *layer = 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) {
continue;
} else if (firstword.compare("}") == 0){
if (parselevel == 2) {
// leaving layer definition
layer = 0;
} else if (parselevel == 1) {
// leaving material definition
material = 0;
}
parselevel--;
} else if (firstword.compare("{") == 0) {
parselevel++;
} else if (parselevel == 0) {
// add new material
material = find(firstword);
if (material) {
con_warn << "Duplicate material '" << firstword << "'" << std::endl;
material = 0;
layer = 0;
} else {
material = add(firstword);
count++;
layer = 0;
}
} else if ((parselevel == 1) && (material)) {
// inside material definition
aux::to_lowercase(firstword);
if (firstword.compare("qer_editorimage") == 0) {
// keyword qer_editorimage is ignored
continue;
} else if (firstword.compare("qer_trans") == 0) {
// keyword qer_trans is ignored
continue;
} else if (firstword.compare("surfaceparm") == 0) {
// keyword surfaceparm is ignored
continue;
} else if (firstword.compare("ignore") == 0) {
material->set_flags(FlagIgnore);
} else if (firstword.compare("clip") == 0) {
material->set_flags(FlagClip);
} else if (firstword.compare("origin") == 0) {
material->set_flags(FlagOrigin);
} else if (firstword.compare("decal") == 0) {
material->set_flags(FlagDecal);
} else if (firstword.compare("bounds") == 0) {
material->set_flags(FlagBounds);
} else {
con_warn << shaderfile.name() << " unknown material key '" << firstword << "' at line " << linenumber << std::endl;
}
} else if ((parselevel == 2) && (material)) {
// inside layer definition
// create new layer if required
if (!layer) {
layer = new Layer();
material->material_layers.push_back(layer);
}
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;
}
if (!(linestream >> a)) {
a = 1.0f;
}
layer->set_color(math::Color(r, g, b, a));
layer->set_rgbgen(Layer::RGBGenColor);
// set specular too, preserving the old behavior
layer->set_specular(math::Color(r, g, b, a));
}
} else if (firstword.compare("specular") == 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;
}
if (!(linestream >> a)) {
a = 1.0f;
}
layer->set_specular(math::Color(r, g, b, a));
}
} else if (firstword.compare("shininess") == 0) {
if (linestream >> shine) {
layer->set_shininess(shine);
}
} else if (firstword.compare("engine") == 0) {
layer->set_rgbgen(Layer::RGBGenEngine);
} else if (firstword.compare("entity") == 0) {
layer->set_rgbgen(Layer::RGBGenPrimary);
} else if (firstword.compare("entitysecond") == 0) {
layer->set_rgbgen(Layer::RGBGenSecondary);
} else if (firstword.compare("entitythird") == 0) {
layer->set_rgbgen(Layer::RGBGenTertiary);
} else if ((firstword.compare("bright") == 0) || (firstword.compare("fullbright") == 0)) {
layer->set_fullbright(true);
} else if (firstword.compare("environment") == 0) {
layer->set_tcgen(Layer::TCGenEnvironment);
layer->set_texmap(Layer::TexMapEnvironment);
} else if (firstword.compare("blendfunc") == 0) {
if (linestream >> firstword) {
aux::to_lowercase(firstword);
if (firstword.compare("none") == 0) {
layer->set_blendfunc(Layer::BlendFuncNone);
} else if (firstword.compare("add") == 0) {
layer->set_blendfunc(Layer::BlendFuncAdd);
} else if (firstword.compare("blend") == 0) {
layer->set_blendfunc(Layer::BlendFuncBlend);
} else {
con_warn << shaderfile.name() << " unknown blend function '" << firstword << "' at line " << linenumber << std::endl;
}
} else {
con_warn << shaderfile.name() << " missing blend function at line " << linenumber << std::endl;
}
} else if (firstword.compare("map") == 0) {
if (linestream >> firstword) {
aux::to_lowercase(firstword);
if (firstword.compare("$environment") == 0) {
layer->set_texmap(Layer::TexMapEnvironment);
} else if (firstword.compare("$logo") == 0) {
layer->set_texmap(Layer::TexMapLogo);
} else {
// regular texture from image file
// FIXME strip extension from filename
layer->set_texture(firstword);
if (material_imageloaderfunc) {
material_imageloaderfunc(layer);
if ((layer->size().width() > 0) && (layer->size().height() > 0)) {
material->material_size.assign(layer->size());
}
}
}
} else {
con_warn << shaderfile.name() << " missing texture map at line " << linenumber << std::endl;
}
} else {
con_warn << shaderfile.name() << " unknown layer key '" << firstword << "' at line " << linenumber << std::endl;
}
}
}
}
con_debug << " " << shaderfile.name() << " " << count << " materials " << std::endl;
shaderfile.close();
}
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::add(const std::string &name)
{
Material *material = new Material(name);
material_registry[material->name()] = material;
return material;
}
Material *Material::find(const std::string &name)
{
std::string searchstr(name);
aux::to_lowercase(searchstr);
for (Registry::iterator i = material_registry.begin(); i != material_registry.end(); ++i)
{
if ((*i).first.compare(searchstr) == 0)
{
return (*i).second;
}
}
return 0;
}
Material *Material::load(const std::string &name, const bool ui_texture)
{
// check if the requested material already exist
Material *material = find(name);
if (material)
{
return material;
}
// create a new material
material = add(name);
// add a single layer
Layer *layer = material->add_layer();
// add a texture
layer->set_texture(name);
if (ui_texture)
{
layer->set_fullbright(true);
layer->set_blendfunc(Layer::BlendFuncBlend);
}
if (material_imageloaderfunc) {
material_imageloaderfunc(layer);
if ((layer->size().width() > 0) && (layer->size().height() > 0))
{
material->material_size.assign(layer->size());
}
}
// add the new material to the registry
material_registry[material->name()] = material;
return material;
}
void Material::set_imageloader_func(ImageLoaderFuncPtr func)
{
material_imageloaderfunc = func;
}
}
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