nuclear@1: #include "level.h"
nuclear@1: 
nuclear@1: #include "opt.h"
nuclear@1: 
nuclear@1: Level::Level()
nuclear@1: {
nuclear@1: 	terrain = 0;
nuclear@1: }
nuclear@1: 
nuclear@1: Level::~Level()
nuclear@1: {
nuclear@1: 	delete terrain;
nuclear@1: }
nuclear@1: 
nuclear@1: void Level::generate()
nuclear@1: {
nuclear@1: 	delete terrain;
nuclear@1: 
nuclear@1: 	int xsz = opt.world_size[0];
nuclear@1: 	int ysz = opt.world_size[1];
nuclear@1: 	int zsz = opt.world_size[2];
nuclear@1: 
nuclear@1: 	terrain = new Volume(xsz, ysz, zsz);
nuclear@1: 
nuclear@1: 	for(int i=0; i<xsz; i++) {
nuclear@1: 		for(int j=0; j<ysz; j++) {
nuclear@1: 			float x = opt.gen_noise_scale * (float)i / (float)xsz;
nuclear@1: 			float y = opt.gen_noise_scale * (float)j / (float)ysz;
nuclear@1: 			float peak = 0.4 * noise2(x, y) * 0.5 + 0.5;
nuclear@1: 
nuclear@1: 			for(int k=0; k<zsz; k++) {
nuclear@1: 				Vector4 voxel(1, 1, 1, 1);
nuclear@1: 				float z = (float)k / (float)zsz;
nuclear@1: 
nuclear@1: 				if(z < 0.1) {
nuclear@1: 					// lava
nuclear@1: 					static const Vector4 col1(0.96, 0.3, 0.1, 1);
nuclear@1: 					static const Vector4 col2(0.96, 0.75, 0.1, 1);
nuclear@1: 					float t = noise3(x, y, z);
nuclear@1: 					voxel = lerp(col1, col2, t);
nuclear@1: 				} else if(z < peak - 0.05) {
nuclear@1: 					// mud
nuclear@1: 					voxel = Vector4(0.57, 0.43, 0.29, 1);
nuclear@1: 				} else if(z < 0.85) {
nuclear@1: 					// grass
nuclear@1: 					voxel = Vector4(0.68, 0.95, 0.38);
nuclear@1: 				}	// else snow (default)
nuclear@1: 
nuclear@1: 				voxel.w = z < peak ? 1.0 : 0.0;
nuclear@1: 				terrain->set_voxel(i, j, k, voxel);
nuclear@1: 			}
nuclear@1: 		}
nuclear@1: 	}
nuclear@1: }
nuclear@1: 
nuclear@1: bool Level::load(const char *fname)
nuclear@1: {
nuclear@1: 	return false;
nuclear@1: }
nuclear@1: 
nuclear@1: bool Level::save(const char *fname) const
nuclear@1: {
nuclear@1: 	return false;
nuclear@1: }