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/*
render/render.cc
This file is part of the Osirion project and is distributed under
the terms of the GNU General Public License version 2
*/
#include <iostream>
#include <fstream>
#include <sstream>
#include <iomanip>
#include "render/render.h"
#include "render/tga.h"
#include "render/gl.h"
#include "core/core.h"
#include "filesystem/filesystem.h"
#include "sys/sys.h"
namespace render {
GLuint textures[32];
core::Cvar *r_drawradius = 0;
core::Cvar *r_drawstats = 0;
core::Cvar *r_wireframe = 0;
bool texture(char * const filename, size_t id)
{
Image *image = TGA::load(filename);
if (!image)
return false;
// FIXME - I don't get this part... yet
glGenTextures(1, &textures[id]);
glBindTexture(GL_TEXTURE_2D, textures[id]);
int texture_type;
if (image->channels() == 4)
texture_type = GL_RGBA;
else
texture_type = GL_RGB;
gluBuild2DMipmaps(GL_TEXTURE_2D, image->channels(),
image->width(), image->height(), texture_type, GL_UNSIGNED_BYTE, image->data());
glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_LINEAR_MIPMAP_NEAREST);
glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_LINEAR_MIPMAP_LINEAR);
return true;
}
void init()
{
con_print << "Initializing renderer..." << std::endl;
con_print << " renderer " << gl::renderer() << std::endl;
con_print << " vendor " << gl::vendor() << std::endl;
con_print << " version " << gl::version() << std::endl;
con_print << "Loading textures..." << std::endl;
if (!texture( "bitmaps/loader.tga", 0)) {
con_error << "Essential file bitmaps/loader.tga missing" << std::endl;
core::application()->shutdown();
}
if (!texture("bitmaps/conchars.tga", 1)) {
con_error << "Essential file bitmaps/conchars.tga missing" << std::endl;
core::application()->shutdown();
}
r_drawradius = core::Cvar::get("r_drawradius", "0", core::Cvar::Archive);
r_drawstats = core::Cvar::get("r_drawstats", "0", core::Cvar::Archive);
r_wireframe = core::Cvar::get("r_wireframe", "0", core::Cvar::Archive);
}
void shutdown()
{
con_print << "Shutting down renderer..." << std::endl;
}
}
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