nuclear@1: #include <stdio.h>
nuclear@1: #include "opengl.h"
nuclear@4: #include <assimp/assimp.h>
nuclear@4: #include <assimp/aiScene.h>
nuclear@4: #include <assimp/aiPostProcess.h>
nuclear@1: #include "tile.h"
nuclear@1: 
nuclear@1: bool Tile::load(const char *fname)
nuclear@1: {
nuclear@5: 	if(!fname) {
nuclear@5: 		return false;
nuclear@5: 	}
nuclear@5: 
nuclear@3: 	unsigned int proc_flags = aiProcess_JoinIdenticalVertices |
nuclear@3: 		aiProcess_PreTransformVertices | aiProcess_Triangulate |
nuclear@3: 		aiProcess_GenNormals | aiProcess_SortByPType | aiProcess_FlipUVs;
nuclear@4: 
nuclear@3: 	const aiScene *scn = aiImportFile(fname, proc_flags);
nuclear@3: 	if(!scn) {
nuclear@3: 		fprintf(stderr, "failed to load tile: %s\n", fname);
nuclear@3: 		return -1;
nuclear@3: 	}
nuclear@3: 
nuclear@3: 	load_lights(scn);
nuclear@3: 
nuclear@3: 	load_meshes(scn);
nuclear@3: 
nuclear@3: 	printf("loaded tile %s: %d meshes, %d lights\n", fname, scn->mNumMeshes, scn->mNumLights);
nuclear@1: 	return true;
nuclear@1: }
nuclear@1: 
nuclear@5: void Tile::draw(unsigned int draw_mask) const
nuclear@1: {
nuclear@4: 	for(size_t i=0; i<meshes.size(); i++) {
nuclear@4: 		if(mesh_side[i] & draw_mask) {
nuclear@5: 			meshes[i]->draw();
nuclear@4: 		}
nuclear@4: 	}
nuclear@4: }
nuclear@1: 
nuclear@4: int Tile::load_lights(const aiScene *scn)
nuclear@4: {
nuclear@4: 	int count = 0;
nuclear@4: 
nuclear@4: 	for(int i=0; i<(int)scn->mNumLights; i++) {
nuclear@4: 		Light *lt;
nuclear@4: 		aiLight *ailt = scn->mLights[i];
nuclear@4: 
nuclear@4: 		switch(ailt->mType) {
nuclear@4: 		case aiLightSource_POINT:
nuclear@4: 			lt = new PointLight(Vector3(ailt->mPosition.x, ailt->mPosition.y, ailt->mPosition.z));
nuclear@4: 			((PointLight*)lt)->set_attenuation(ailt->mAttenuationConstant, ailt->mAttenuationLinear,
nuclear@4: 					ailt->mAttenuationQuadratic);
nuclear@4: 			break;
nuclear@4: 
nuclear@4: 		case aiLightSource_DIRECTIONAL:
nuclear@4: 			lt = new PointLight(Vector3(ailt->mDirection.x, ailt->mDirection.y, ailt->mDirection.z));
nuclear@4: 			break;
nuclear@4: 
nuclear@4: 		default:
nuclear@4: 			continue;
nuclear@4: 		}
nuclear@4: 
nuclear@4: 		lt->set_color(Color(ailt->mColorDiffuse.r, ailt->mColorDiffuse.g, ailt->mColorDiffuse.b, 1.0));
nuclear@4: 
nuclear@4: 		lights.push_back(lt);
nuclear@4: 		count++;
nuclear@4: 	}
nuclear@4: 
nuclear@4: 	return count;
nuclear@1: }
nuclear@4: 
nuclear@4: int Tile::load_meshes(const aiScene *scn)
nuclear@4: {
nuclear@4: 	int count = 0;
nuclear@4: 
nuclear@4: 	for(int i=0; i<(int)scn->mNumMeshes; i++) {
nuclear@4: 		Mesh *mesh = new Mesh;
nuclear@4: 		if(!mesh->create(scn, scn->mMeshes[i])) {
nuclear@4: 			delete mesh;
nuclear@4: 			continue;
nuclear@4: 		}
nuclear@4: 
nuclear@4: 		meshes.push_back(mesh);
nuclear@4: 
nuclear@4: 		// find which side is this mesh on
nuclear@4: 		const char *name = mesh->get_name();
nuclear@5: 		printf("name: %s ... ", name);
nuclear@4: 		unsigned int side;
nuclear@4: 
nuclear@4: 		if(strstr(name, "NORTH") == name) {
nuclear@4: 			side = TILE_NORTH;
nuclear@4: 		} else if(strstr(name, "SOUTH") == name) {
nuclear@4: 			side = TILE_SOUTH;
nuclear@4: 		} else if(strstr(name, "EAST") == name) {
nuclear@4: 			side = TILE_EAST;
nuclear@4: 		} else if(strstr(name, "WEST") == name) {
nuclear@4: 			side = TILE_WEST;
nuclear@4: 		} else {
nuclear@4: 			side = TILE_ALL;
nuclear@4: 		}
nuclear@5: 		printf("side: %x\n", side);
nuclear@4: 		mesh_side.push_back(side);
nuclear@4: 
nuclear@4: 		count++;
nuclear@4: 	}
nuclear@4: 	return count;
nuclear@4: }