/// <summary>
/// Prepares the system, registering built-in material textures.
/// </summary>
public static void Init()
{
Textures = new Dictionary <ushort, MaterialSideData>();
TexturesDefault[0] = null;
TexturesDefault[1] = new MaterialSideData(Texture.GetTexture("blocks/solid/stone"));
TexturesDefault[2] = new MaterialSideData(Texture.GetTexture("blocks/solid/dirt"));
MaterialSideData grass = new MaterialSideData(Texture.GetTexture("blocks/solid/grass_side"));
grass.Textures[(int)Sides.TOP] = Texture.GetTexture("blocks/solid/grass");
grass.Textures[(int)Sides.BOTTOM] = Texture.GetTexture("blocks/solid/dirt");
TexturesDefault[3] = grass;
TexturesDefault[4] = new MaterialSideData(Texture.GetTexture("blocks/solid/wood"));
TexturesDefault[5] = new MaterialSideData(Texture.GetTexture("blocks/solid/redstone"));
}
/// <summary>
/// (Re-)Generate the Vertex Buffer Object for this chunk (IE, update its rendered state on the GPU.)
/// </summary>
public void UpdateVBO()
{
for (int i = 0; i < VBOs.Count; i++)
{
VBOs[i].Destroy();
}
VBOs.Clear();
for (int x = 0; x < 30; x++)
{
for (int y = 0; y < 30; y++)
{
for (int z = 0; z < 30; z++)
{
MaterialSideData tex = MaterialTexture.GetTexture((Material)Blocks[x, y, z].Type);
if (tex != null)
{
// TODO: Simplify. Can this be a loop?
if ((z != 29 && !((Material)Blocks[x, y, z + 1].Type).OccupiesWholeBlock()) ||
(z == 29 && !((Material)ClientMain.GetChunk(new Location(X, Y, Z + 1)).
Blocks[x, y, 0].Type).OccupiesWholeBlock()))
{
GetVBO(tex.Textures[(int)Sides.TOP]).AddSide(X * 30 + x, Y * 30 + y, Z * 30 + z, new OpenTK.Vector3(0, 0, 1));
}
if ((z != 0 && !((Material)Blocks[x, y, z - 1].Type).OccupiesWholeBlock()) ||
(z == 0 && !((Material)ClientMain.GetChunk(new Location(X, Y, Z - 1)).
Blocks[x, y, 29].Type).OccupiesWholeBlock()))
{
GetVBO(tex.Textures[(int)Sides.BOTTOM]).AddSide(X * 30 + x, Y * 30 + y, Z * 30 + z, new OpenTK.Vector3(0, 0, -1));
}
if ((x != 29 && !((Material)Blocks[x + 1, y, z].Type).OccupiesWholeBlock()) ||
(x == 29 && !((Material)ClientMain.GetChunk(new Location(X + 1, Y, Z)).
Blocks[0, y, z].Type).OccupiesWholeBlock()))
{
GetVBO(tex.Textures[(int)Sides.XP]).AddSide(X * 30 + x, Y * 30 + y, Z * 30 + z, new OpenTK.Vector3(1, 0, 0));
}
if ((x != 0 && !((Material)Blocks[x - 1, y, z].Type).OccupiesWholeBlock()) ||
(x == 0 && !((Material)ClientMain.GetChunk(new Location(X - 1, Y, Z)).
Blocks[29, y, z].Type).OccupiesWholeBlock()))
{
GetVBO(tex.Textures[(int)Sides.XM]).AddSide(X * 30 + x, Y * 30 + y, Z * 30 + z, new OpenTK.Vector3(-1, 0, 0));
}
if ((y != 29 && !((Material)Blocks[x, y + 1, z].Type).OccupiesWholeBlock()) ||
(y == 29 && !((Material)ClientMain.GetChunk(new Location(X, Y + 1, Z)).
Blocks[x, 0, z].Type).OccupiesWholeBlock()))
{
GetVBO(tex.Textures[(int)Sides.YP]).AddSide(X * 30 + x, Y * 30 + y, Z * 30 + z, new OpenTK.Vector3(0, 1, 0));
}
if ((y != 0 && !((Material)Blocks[x, y - 1, z].Type).OccupiesWholeBlock()) ||
(y == 0 && !((Material)ClientMain.GetChunk(new Location(X, Y - 1, Z)).
Blocks[x, 29, z].Type).OccupiesWholeBlock()))
{
GetVBO(tex.Textures[(int)Sides.YM]).AddSide(X * 30 + x, Y * 30 + y, Z * 30 + z, new OpenTK.Vector3(0, -1, 0));
}
}
}
}
}
for (int i = 0; i < VBOs.Count; i++)
{
VBOs[i].Build();
}
}