bool transparentNeighbor(Game.Utility.IntVec3 index)
{
Game.Model.Block block;
block = chunk.getBlock(index + new Utility.IntVec3(1, 0, 0));
if (block.type.transparent)
{
return(true);
}
block = chunk.getBlock(index + new Utility.IntVec3(0, 1, 0));
if (block.type.transparent)
{
return(true);
}
block = chunk.getBlock(index + new Utility.IntVec3(0, 0, 1));
if (block.type.transparent)
{
return(true);
}
block = chunk.getBlock(index + new Utility.IntVec3(-1, 0, 0));
if (block.type.transparent)
{
return(true);
}
block = chunk.getBlock(index + new Utility.IntVec3(0, -1, 0));
if (block.type.transparent)
{
return(true);
}
block = chunk.getBlock(index + new Utility.IntVec3(0, 0, -1));
if (block.type.transparent)
{
return(true);
}
return(false);
}
Game.Model.Block genBlock(Game.Utility.IntVec3 index)
{
Game.Utility.IntVec3 pos = index + chunk.pos * Game.Model.Settings.chunk_size;
float height = getHeight(index);
float cc = -0.002f * pos.y;
if (cc > 0.1)
{
cc = 0.1f;
}
float tc = pos.y * 0.01f + 0.8f;
return(pos.y >= height ? new Game.Model.Block("air") : (Client.random.NextDouble() < cc ? new Game.Model.Block("coal") : (Client.random.NextDouble() < tc ? new Game.Model.Block("trash") : new Game.Model.Block("dirt"))));
}
float getHeight(Game.Utility.IntVec3 index)
{
float[,] hm = new float[2, 2];
hm[0, 0] = chunks[Model.Settings.data_distance, Model.Settings.data_distance, Model.Settings.data_distance].surf[0];
hm[0, 1] = chunks[Model.Settings.data_distance, Model.Settings.data_distance, Model.Settings.data_distance + 1].surf[0];
hm[1, 0] = chunks[Model.Settings.data_distance + 1, Model.Settings.data_distance, Model.Settings.data_distance].surf[0];
hm[1, 1] = chunks[Model.Settings.data_distance + 1, Model.Settings.data_distance, Model.Settings.data_distance + 1].surf[0];
float h = Utility.Func.lerp(new Utility.Vec2(index.x, index.z) / Model.Settings.chunk_size, hm);
if (h > 0)
{
h *= 10;
}
else
{
h *= 2;
}
return(h);
}
void setBlock(Game.Utility.IntVec3 index)
{
Game.Model.Block block = chunk.getBlock(index);
if (block == null)
{
return;
}
if (block.hidden)
{
return;
}
if (block.type.transparent)
{
return;
}
if (!transparentNeighbor(index))
{
return;
}
Game.Utility.Vec2 pos = block.type.rectpos;
Game.Utility.Vec2 dim = block.type.rectdim;
int offset = mesh.vertices.Count;
for (int i = 0; i < MeshGenerator.cube.vertices.Count; i++)
{
mesh.vertices.Add(MeshGenerator.cube.vertices[i] + index.Float());
}
for (int i = 0; i < MeshGenerator.cube.coords.Count; i++)
{
mesh.coords.Add(new Game.Utility.Vec2(MeshGenerator.cube.coords[i].x * dim.x, MeshGenerator.cube.coords[i].y * dim.y) + pos);
}
for (int i = 0; i < MeshGenerator.cube.triangles.Count; i++)
{
mesh.triangles.Add(MeshGenerator.cube.triangles[i] + offset);
}
}
