nuclear@0: #include "scene.h"
nuclear@0: #include "opengl.h"
nuclear@12: #include "goat3d.h"
nuclear@0: 
nuclear@13: static Mesh *load_mesh(goat3d_mesh *gmesh);
nuclear@13: 
nuclear@0: Scene::~Scene()
nuclear@0: {
nuclear@0: 	destroy();
nuclear@0: }
nuclear@0: 
nuclear@0: void Scene::destroy()
nuclear@0: {
nuclear@0: 	for(size_t i=0; i<objects.size(); i++) {
nuclear@0: 		delete objects[i];
nuclear@0: 	}
nuclear@0: 	objects.clear();
nuclear@0: 
nuclear@0: 	for(size_t i=0; i<meshes.size(); i++) {
nuclear@0: 		delete meshes[i];
nuclear@0: 	}
nuclear@0: 	meshes.clear();
nuclear@0: 
nuclear@0: 	for(size_t i=0; i<curves.size(); i++) {
nuclear@0: 		delete curves[i];
nuclear@0: 	}
nuclear@0: 	curves.clear();
nuclear@0: }
nuclear@0: 
nuclear@12: bool Scene::load(const char *fname)
nuclear@12: {
nuclear@12: 	goat3d *goat = goat3d_create();
nuclear@12: 	if(!goat) {
nuclear@12: 		return false;
nuclear@12: 	}
nuclear@12: 	if(goat3d_load(goat, fname) == -1) {
nuclear@12: 		return false;
nuclear@12: 	}
nuclear@12: 
nuclear@12: 	int num_meshes = goat3d_get_mesh_count(goat);
nuclear@12: 	for(int i=0; i<num_meshes; i++) {
nuclear@12: 		goat3d_mesh *gmesh = goat3d_get_mesh(goat, i);
nuclear@13: 		Mesh *mesh = load_mesh(gmesh);
nuclear@13: 		if(mesh) {
nuclear@13: 			meshes.push_back(mesh);
nuclear@13: 		}
nuclear@12: 	}
nuclear@12: 
nuclear@12: 	goat3d_free(goat);
nuclear@12: 	return true;
nuclear@12: }
nuclear@12: 
nuclear@12: bool Scene::save(const char *fname) const
nuclear@12: {
nuclear@12: 	return false;	// TODO
nuclear@12: }
nuclear@12: 
nuclear@0: void Scene::draw(long msec) const
nuclear@0: {
nuclear@0: 	for(size_t i=0; i<objects.size(); i++) {
nuclear@0: 		objects[i]->draw(msec);
nuclear@0: 	}
nuclear@0: 
nuclear@0: 	if(objects.empty()) {
nuclear@0: 		printf("rendering meshes directly\n");
nuclear@0: 		for(size_t i=0; i<meshes.size(); i++) {
nuclear@0: 			meshes[i]->draw();
nuclear@0: 		}
nuclear@0: 	}
nuclear@0: }
nuclear@13: 
nuclear@13: static Mesh *load_mesh(goat3d_mesh *gmesh)
nuclear@13: {
nuclear@13: 	int nverts = goat3d_get_mesh_attrib_count(gmesh, GOAT3D_MESH_ATTR_VERTEX);
nuclear@13: 	float *data = (float*)goat3d_get_mesh_attribs(gmesh, GOAT3D_MESH_ATTR_VERTEX);
nuclear@13: 
nuclear@13: 	if(!nverts || !data) {
nuclear@13: 		return 0;
nuclear@13: 	}
nuclear@13: 	int nfaces = goat3d_get_mesh_face_count(gmesh);
nuclear@13: 
nuclear@13: 	Mesh *mesh = new Mesh;
nuclear@13: 	const char *name = goat3d_get_mesh_name(gmesh);
nuclear@13: 	if(name) {
nuclear@13: 		mesh->set_name(name);
nuclear@13: 	}
nuclear@13: 
nuclear@13: 	mesh->set_attrib_data(MESH_ATTR_VERTEX, 3, nverts, data);
nuclear@13: 
nuclear@13: 	if((data = (float*)goat3d_get_mesh_attribs(gmesh, GOAT3D_MESH_ATTR_NORMAL))) {
nuclear@13: 		mesh->set_attrib_data(MESH_ATTR_NORMAL, 3, nverts, data);
nuclear@13: 	}
nuclear@13: 	if((data = (float*)goat3d_get_mesh_attribs(gmesh, GOAT3D_MESH_ATTR_TANGENT))) {
nuclear@13: 		mesh->set_attrib_data(MESH_ATTR_TANGENT, 3, nverts, data);
nuclear@13: 	}
nuclear@13: 	if((data = (float*)goat3d_get_mesh_attribs(gmesh, GOAT3D_MESH_ATTR_TEXCOORD))) {
nuclear@13: 		mesh->set_attrib_data(MESH_ATTR_TEXCOORD, 2, nverts, data);
nuclear@13: 	}
nuclear@13: 	if((data = (float*)goat3d_get_mesh_attribs(gmesh, GOAT3D_MESH_ATTR_COLOR))) {
nuclear@13: 		mesh->set_attrib_data(MESH_ATTR_COLOR, 4, nverts, data);
nuclear@13: 	}
nuclear@13: 	if((data = (float*)goat3d_get_mesh_attribs(gmesh, GOAT3D_MESH_ATTR_SKIN_WEIGHT))) {
nuclear@13: 		mesh->set_attrib_data(MESH_ATTR_BONEWEIGHTS, 4, nverts, data);
nuclear@13: 	}
nuclear@13: 	int *idata = (int*)goat3d_get_mesh_attribs(gmesh, GOAT3D_MESH_ATTR_SKIN_MATRIX);
nuclear@13: 	if(idata) {
nuclear@13: 		for(int i=0; i<nverts; i++) {
nuclear@13: 			mesh->set_attrib(MESH_ATTR_BONEIDX, i, Vector4(idata[0], idata[1], idata[2], idata[3]));
nuclear@13: 			idata += 4;
nuclear@13: 		}
nuclear@13: 	}
nuclear@13: 
nuclear@13: 	if(nfaces && !(idata = goat3d_get_mesh_faces(gmesh))) {
nuclear@13: 		mesh->set_index_data(nfaces * 3, (unsigned int*)idata);
nuclear@13: 	}
nuclear@13: 	return mesh;
nuclear@13: }