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/*
model/map.cc
This file is part of the Osirion project and is distributed under
the terms of the GNU General Public License version 2
*/
#include "model/engine.h"
#include "model/light.h"
#include "model/map.h"
#include "model/mapfile.h"
#include "model/vertexarray.h"
#include "sys/sys.h"
namespace model {
// function to test spawnflags
inline bool spawnflag_isset(unsigned int spawnflags, unsigned int flag) {
return ((spawnflags & flag) == flag);
}
Model * Map::load(std::string const &name)
{
// open the .map file
MapFile mapfile;
if (!mapfile.open(name)) {
return 0;
}
Model *model = new Model(name);
Light *light = 0;
Engine *engine = 0;
unsigned int u;
while (mapfile.getline()) {
if (mapfile.got_classname("worldspawn")) {
} else if (mapfile.got_classname("light")) {
// new light
light = new Light();
model->add_light(light);
} else if (mapfile.classname().compare("light") == 0 ) {
// light attributes
if (mapfile.got_key_vector3f("origin", light->light_location)) {
light->light_location *= SCALE;
continue;
} else if (mapfile.got_key_color("_color", light->light_color)) {
continue;
} else if (mapfile.got_key_int("spawnflags", u)) {
light->light_strobe = spawnflag_isset(u, 1);
light->light_entity = spawnflag_isset(u, 2);
} else if (mapfile.got_key_float("light", light->light_radius)) {
light->light_radius /= 100.0f;
} else if (mapfile.got_key_float("frequency", light->light_frequency)) {
continue;
} else if (mapfile.got_key_float("offset", light->light_offset)) {
continue;
} else if (mapfile.got_key_float("time", light->light_time)) {
continue;
} else if (mapfile.got_key_int("flare", light->light_flare)) {
continue;
}
} else if (mapfile.got_classname("target_engine")) {
// new engine
engine = new Engine();
model->add_engine(engine);
} else if (mapfile.classname().compare("target_engine") == 0 ) {
// engine attributes
if (mapfile.got_key_vector3f("origin", engine->engine_location)) {
engine->engine_location *= SCALE;
continue;
} else if (mapfile.got_key_color("_color", engine->engine_color)) {
continue;
} else if (mapfile.got_key_float("radius", engine->engine_radius)) {
engine->engine_radius /= 100.0f;
continue;
} else if (mapfile.got_key_int("flare", engine->engine_flare)) {
continue;
}
}
}
mapfile.close();
if (VertexArray::instance() && ((mapfile.class_tris.size() + mapfile.class_etris.size()) > 0)) {
math::Vector3f center = (mapfile.class_minbbox + mapfile.class_maxbbox) / 2;
model->model_minbbox = mapfile.class_minbbox - center;
model->model_maxbbox = mapfile.class_maxbbox - center;
model->model_radius = model->model_maxbbox.length();
// structural triangles
model->model_first_vertex = VertexArray::instance()->index()/3;
for (std::list<Triangle *>::iterator it = mapfile.class_tris.begin(); it != mapfile.class_tris.end(); it++) {
Triangle *triangle = (*it);
if (!triangle->detail()) {
VertexArray::instance()->add_vertex(triangle->triangle_v0-center, triangle->normal(), triangle->color() );
VertexArray::instance()->add_vertex(triangle->triangle_v1-center, triangle->normal(), triangle->color() );
VertexArray::instance()->add_vertex(triangle->triangle_v2-center, triangle->normal(), triangle->color() );
model->model_vertex_count += 3;
}
}
// detail triangles
for (std::list<Triangle *>::iterator it = mapfile.class_tris.begin(); it != mapfile.class_tris.end(); it++) {
Triangle *triangle = (*it);
if (triangle->detail()) {
VertexArray::instance()->add_vertex(triangle->triangle_v0-center, triangle->normal(), triangle->color() );
VertexArray::instance()->add_vertex(triangle->triangle_v1-center, triangle->normal(), triangle->color() );
VertexArray::instance()->add_vertex(triangle->triangle_v2-center, triangle->normal(), triangle->color() );
model->model_vertex_countdetail += 3;
}
delete triangle;
}
mapfile.class_tris.clear();
// structural etriangles
model->model_first_evertex = VertexArray::instance()->index()/3;
for (std::list<Triangle *>::iterator it = mapfile.class_etris.begin(); it != mapfile.class_etris.end(); it++) {
Triangle *triangle = (*it);
if (!triangle->detail()) {
VertexArray::instance()->add_vertex(triangle->triangle_v0-center, triangle->normal(), triangle->color() );
VertexArray::instance()->add_vertex(triangle->triangle_v1-center, triangle->normal(), triangle->color() );
VertexArray::instance()->add_vertex(triangle->triangle_v2-center, triangle->normal(), triangle->color() );
model->model_evertex_count += 3;
}
}
// detail etriangles
for (std::list<Triangle *>::iterator it = mapfile.class_etris.begin(); it != mapfile.class_etris.end(); it++) {
Triangle *triangle = (*it);
if (triangle->detail()) {
VertexArray::instance()->add_vertex(triangle->triangle_v0-center, triangle->normal(), triangle->color() );
VertexArray::instance()->add_vertex(triangle->triangle_v1-center, triangle->normal(), triangle->color() );
VertexArray::instance()->add_vertex(triangle->triangle_v2-center, triangle->normal(), triangle->color() );
model->model_evertex_countdetail += 3;
}
delete triangle;
}
mapfile.class_etris.clear();
// reposition light and engines
for (std::list<Engine *>::iterator eit = model->model_engine.begin(); eit != model->model_engine.end(); eit++) {
(*eit)->engine_location -= center;
}
for (std::list<Light *>::iterator lit = model->model_light.begin(); lit != model->model_light.end(); lit++) {
(*lit)->light_location -= center;
}
}
con_print << " maps/" << model->name() << ".map " << mapfile.brushes << " brush " << model->tris()
<< " tris (" << model->details() << " detail)" << std::endl;
return model;
}
}
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