1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/src/level.cc	Sat Dec 15 23:43:03 2012 +0200
     1.3 @@ -0,0 +1,64 @@
     1.4 +#include "level.h"
     1.5 +
     1.6 +#include "opt.h"
     1.7 +
     1.8 +Level::Level()
     1.9 +{
    1.10 +	terrain = 0;
    1.11 +}
    1.12 +
    1.13 +Level::~Level()
    1.14 +{
    1.15 +	delete terrain;
    1.16 +}
    1.17 +
    1.18 +void Level::generate()
    1.19 +{
    1.20 +	delete terrain;
    1.21 +
    1.22 +	int xsz = opt.world_size[0];
    1.23 +	int ysz = opt.world_size[1];
    1.24 +	int zsz = opt.world_size[2];
    1.25 +
    1.26 +	terrain = new Volume(xsz, ysz, zsz);
    1.27 +
    1.28 +	for(int i=0; i<xsz; i++) {
    1.29 +		for(int j=0; j<ysz; j++) {
    1.30 +			float x = opt.gen_noise_scale * (float)i / (float)xsz;
    1.31 +			float y = opt.gen_noise_scale * (float)j / (float)ysz;
    1.32 +			float peak = 0.4 * noise2(x, y) * 0.5 + 0.5;
    1.33 +
    1.34 +			for(int k=0; k<zsz; k++) {
    1.35 +				Vector4 voxel(1, 1, 1, 1);
    1.36 +				float z = (float)k / (float)zsz;
    1.37 +
    1.38 +				if(z < 0.1) {
    1.39 +					// lava
    1.40 +					static const Vector4 col1(0.96, 0.3, 0.1, 1);
    1.41 +					static const Vector4 col2(0.96, 0.75, 0.1, 1);
    1.42 +					float t = noise3(x, y, z);
    1.43 +					voxel = lerp(col1, col2, t);
    1.44 +				} else if(z < peak - 0.05) {
    1.45 +					// mud
    1.46 +					voxel = Vector4(0.57, 0.43, 0.29, 1);
    1.47 +				} else if(z < 0.85) {
    1.48 +					// grass
    1.49 +					voxel = Vector4(0.68, 0.95, 0.38);
    1.50 +				}	// else snow (default)
    1.51 +
    1.52 +				voxel.w = z < peak ? 1.0 : 0.0;
    1.53 +				terrain->set_voxel(i, j, k, voxel);
    1.54 +			}
    1.55 +		}
    1.56 +	}
    1.57 +}
    1.58 +
    1.59 +bool Level::load(const char *fname)
    1.60 +{
    1.61 +	return false;
    1.62 +}
    1.63 +
    1.64 +bool Level::save(const char *fname) const
    1.65 +{
    1.66 +	return false;
    1.67 +}