public static void Render(Chunk chunk, BlocktypeInfo info, int x, int y, int z)
{
if (info == null) return;
switch (info.DrawMode) {
case DrawMode.Block:
RenderBlock(chunk, info, x, y, z); break;
case DrawMode.Plant:
RenderPlant(chunk, info, x, y, z); break;
case DrawMode.Glass:
RenderGlass(chunk, info, x, y, z); break;
case DrawMode.StoneSlab:
RenderStoneSlab(chunk, info, x, y, z); break;
case DrawMode.Torch:
RenderTorch(chunk, info, x, y, z); break;
case DrawMode.Stairs:
RenderStairs(chunk, info, x, y, z); break;
case DrawMode.Crop:
RenderCrop(chunk, info, x, y, z); break;
case DrawMode.Soil:
RenderSoil(chunk, info, x, y, z); break;
case DrawMode.Chest:
RenderChest(chunk, info, x, y, z); break;
case DrawMode.Furnace:
RenderFurnace(chunk, info, x, y, z); break;
}
}
static BlocktypeInfo GetAdjacentBlock(Chunk chunk, int x, int y, int z)
{
if (chunk == null || y < 0 || y >= Chunk.Depth) return null;
if (x == -1) { x = Chunk.Width - 1; chunk = chunk.Left; }
else if (x == Chunk.Width) { x = 0; chunk = chunk.Right; }
else if (z == -1) { z = Chunk.Height - 1; chunk = chunk.Back; }
else if (z == Chunk.Height) { z = 0; chunk = chunk.Front; }
if (chunk == null) return null;
return BlocktypeInfo.Find(chunk.GetBlocktype(x, y, z));
}
static void AdjacentLight(Chunk chunk, int x, int y, int z)
{
if (chunk == null || y < 0 || y >= Chunk.Depth) return;
if (x == -1) { x = Chunk.Width - 1; chunk = chunk.Left; }
else if (x == Chunk.Width) { x = 0; chunk = chunk.Right; }
else if (z == -1) { z = Chunk.Height - 1; chunk = chunk.Back; }
else if (z == Chunk.Height) { z = 0; chunk = chunk.Front; }
if (chunk == null) return;
Light(chunk, x, y, z);
}
static void GetAdjacentBlocks(Chunk chunk, int x, int y, int z,
out BlocktypeInfo right, out BlocktypeInfo left,
out BlocktypeInfo top, out BlocktypeInfo bottom,
out BlocktypeInfo front, out BlocktypeInfo back)
{
BlocktypeInfo air = BlocktypeInfo.Find(Blocktype.Air);
right = GetAdjacentBlock(chunk, x + 1, y, z) ?? air;
left = GetAdjacentBlock(chunk, x - 1, y, z) ?? air;
top = GetAdjacentBlock(chunk, x, y + 1, z) ?? air;
bottom = GetAdjacentBlock(chunk, x, y - 1, z) ?? air;
front = GetAdjacentBlock(chunk, x, y, z + 1) ?? air;
back = GetAdjacentBlock(chunk, x, y, z - 1) ?? air;
}
public static void RenderPicking(Chunk chunk, BlocktypeInfo info, int x, int y, int z)
{
if (info == null) return;
switch (info.DrawMode) {
case DrawMode.Block:
case DrawMode.Plant:
case DrawMode.Glass:
case DrawMode.StoneSlab:
case DrawMode.Torch:
case DrawMode.Stairs:
case DrawMode.Crop:
case DrawMode.Soil:
case DrawMode.Chest:
case DrawMode.Furnace:
RenderPickingBlock(chunk, info, x, y, z);
break;
}
}
public static Chunk Load(Tag tag)
{
short x = (short)(int)tag["xPos"];
short z = (short)(int)tag["zPos"];
Chunk chunk = new Chunk(x, z);
chunk.Blocks = (byte[])tag["Blocks"];
chunk.Data = (byte[])tag["Data"];
chunk.BlockLight = (byte[])tag["BlockLight"];
chunk.SkyLight = (byte[])tag["SkyLight"];
chunk.HeightMap = (byte[])tag["HeightMap"];
return chunk;
}
static void Light(Chunk chunk, int x, int y, int z)
{
if (chunk == null) return;
double blockLight = chunk.GetBlockLight(x, y, z) / 16.0;
double skyLight = (chunk.GetSkyLight(x, y, z) / 16.0) * (chunk.World.Light / 16.0);
double light = Math.Max(Math.Pow(Math.Max(blockLight, skyLight), 2), chunk.World.MinimumLight / 16.0);
GL.Color3(light, light, light);
}
static void RenderTorch(Chunk chunk, BlocktypeInfo info, int x, int y, int z)
{
double x1 = 0, x2 = 0, z1 = 0, z2 = 0, yy = 0;
byte data = chunk.GetData(x, y, z);
switch (data) {
case 1:
x1 -= 0.125; x2 -= 0.5;
yy = 3/16.0; break;
case 2:
x1 += 0.125; x2 += 0.5;
yy = 3/16.0; break;
case 3:
z1 -= 0.125; z2 -= 0.5;
yy = 3/16.0; break;
case 4:
z1 += 0.125; z2 += 0.5;
yy = 3/16.0; break;
}
Light(chunk, x, y, z);
GL.Normal3(1.0, 0.0, 0.0);
GL.TexCoord2(info.Left.Right, info.Left.Top); GL.Vertex3(x+x1+9/16.0, y+yy+1.0, z+z1);
GL.TexCoord2(info.Left.Left, info.Left.Top); GL.Vertex3(x+x1+9/16.0, y+yy+1.0, z+z1+1.0);
GL.TexCoord2(info.Left.Left, info.Left.Bottom); GL.Vertex3(x+x2+9/16.0, y+yy, z+z2+1.0);
GL.TexCoord2(info.Left.Right, info.Left.Bottom); GL.Vertex3(x+x2+9/16.0, y+yy, z+z2);
GL.TexCoord2(info.Right.Right, info.Right.Top); GL.Vertex3(x+x1+7/16.0, y+yy+1.0, z+z1+1.0);
GL.TexCoord2(info.Right.Left, info.Right.Top); GL.Vertex3(x+x1+7/16.0, y+yy+1.0, z+z1);
GL.TexCoord2(info.Right.Left, info.Right.Bottom); GL.Vertex3(x+x2+7/16.0, y+yy, z+z2);
GL.TexCoord2(info.Right.Right, info.Right.Bottom); GL.Vertex3(x+x2+7/16.0, y+yy, z+z2+1.0);
GL.Normal3(0.0, 0.0, 1.0);
GL.TexCoord2(info.Front.Right, info.Front.Top); GL.Vertex3(x+x1+1.0, y+yy+1.0, z+z1+9/16.0);
GL.TexCoord2(info.Front.Left, info.Front.Top); GL.Vertex3(x+x1, y+yy+1.0, z+z1+9/16.0);
GL.TexCoord2(info.Front.Left, info.Front.Bottom); GL.Vertex3(x+x2, y+yy, z+z2+9/16.0);
GL.TexCoord2(info.Front.Right, info.Front.Bottom); GL.Vertex3(x+x2+1.0, y+yy, z+z2+9/16.0);
GL.TexCoord2(info.Back.Right, info.Back.Top); GL.Vertex3(x+x1, y+yy+1.0, z+z1+7/16.0);
GL.TexCoord2(info.Back.Left, info.Back.Top); GL.Vertex3(x+x1+1.0, y+yy+1.0, z+z1+7/16.0);
GL.TexCoord2(info.Back.Left, info.Back.Bottom); GL.Vertex3(x+x2+1.0, y+yy, z+z2+7/16.0);
GL.TexCoord2(info.Back.Right, info.Back.Bottom); GL.Vertex3(x+x2, y+yy, z+z2+7/16.0);
x1 *= 2.125; z1 *= 2.125;
GL.Normal3(0.0, 1.0, 0.0);
GL.TexCoord2(info.Top.Right-7/256.0, info.Top.Top+6/256.0); GL.Vertex3(x+x1+9/16.0, y+yy+10/16.0, z+z1+7/16.0);
GL.TexCoord2(info.Top.Left+7/256.0, info.Top.Top+6/256.0); GL.Vertex3(x+x1+7/16.0, y+yy+10/16.0, z+z1+7/16.0);
GL.TexCoord2(info.Top.Left+7/256.0, info.Top.Bottom-8/256.0); GL.Vertex3(x+x1+7/16.0, y+yy+10/16.0, z+z1+9/16.0);
GL.TexCoord2(info.Top.Right-7/256.0, info.Top.Bottom-8/256.0); GL.Vertex3(x+x1+9/16.0, y+yy+10/16.0, z+z1+9/16.0);
}
static void RenderStoneSlab(Chunk chunk, BlocktypeInfo info, int x, int y, int z)
{
BlocktypeInfo right, left, top, bottom, front, back;
GetAdjacentBlocks(chunk, x, y, z, out right, out left,
out top, out bottom, out front, out back);
if (!right.Opaque) {
AdjacentLight(chunk, x + 1, y, z);
GL.Normal3(1.0, 0.0, 0.0);
GL.TexCoord2(info.Left.Right, info.Left.Top + 1/32.0); GL.Vertex3(x+1.0, y+0.5, z);
GL.TexCoord2(info.Left.Left, info.Left.Top + 1/32.0); GL.Vertex3(x+1.0, y+0.5, z+1.0);
GL.TexCoord2(info.Left.Left, info.Left.Bottom); GL.Vertex3(x+1.0, y, z+1.0);
GL.TexCoord2(info.Left.Right, info.Left.Bottom); GL.Vertex3(x+1.0, y, z);
}
if (!left.Opaque) {
AdjacentLight(chunk, x - 1, y, z);
GL.Normal3(1.0, 0.0, 0.0);
GL.TexCoord2(info.Right.Right, info.Right.Top + 1/32.0); GL.Vertex3(x, y+0.5, z+1.0);
GL.TexCoord2(info.Right.Left, info.Right.Top + 1/32.0); GL.Vertex3(x, y+0.5, z);
GL.TexCoord2(info.Right.Left, info.Right.Bottom); GL.Vertex3(x, y, z);
GL.TexCoord2(info.Right.Right, info.Right.Bottom); GL.Vertex3(x, y, z+1.0);
}
Light(chunk, x, y, z);
GL.Normal3(0.0, 1.0, 0.0);
GL.TexCoord2(info.Top.Right, info.Top.Top); GL.Vertex3(x+1.0, y+0.5, z);
GL.TexCoord2(info.Top.Left, info.Top.Top); GL.Vertex3(x, y+0.5, z);
GL.TexCoord2(info.Top.Left, info.Top.Bottom); GL.Vertex3(x, y+0.5, z+1.0);
GL.TexCoord2(info.Top.Right, info.Top.Bottom); GL.Vertex3(x+1.0, y+0.5, z+1.0);
if (!bottom.Opaque) {
AdjacentLight(chunk, x, y - 1, z);
GL.Normal3(0.0, -1.0, 0.0);
GL.TexCoord2(info.Bottom.Right, info.Bottom.Top); GL.Vertex3(x, y, z+1.0);
GL.TexCoord2(info.Bottom.Left, info.Bottom.Top); GL.Vertex3(x, y, z);
GL.TexCoord2(info.Bottom.Left, info.Bottom.Bottom); GL.Vertex3(x+1.0, y, z);
GL.TexCoord2(info.Bottom.Right, info.Bottom.Bottom); GL.Vertex3(x+1.0, y, z+1.0);
}
if (!front.Opaque) {
AdjacentLight(chunk, x, y, z + 1);
GL.Normal3(0.0, 0.0, 1.0);
GL.TexCoord2(info.Front.Right, info.Front.Top + 1/32.0); GL.Vertex3(x+1.0, y+0.5, z+1.0);
GL.TexCoord2(info.Front.Left, info.Front.Top + 1/32.0); GL.Vertex3(x, y+0.5, z+1.0);
GL.TexCoord2(info.Front.Left, info.Front.Bottom); GL.Vertex3(x, y, z+1.0);
GL.TexCoord2(info.Front.Right, info.Front.Bottom); GL.Vertex3(x+1.0, y, z+1.0);
}
if (!back.Opaque) {
AdjacentLight(chunk, x, y, z - 1);
GL.Normal3(0.0, 0.0, 1.0);
GL.TexCoord2(info.Back.Right, info.Back.Top + 1/32.0); GL.Vertex3(x, y+0.5, z);
GL.TexCoord2(info.Back.Left, info.Back.Top + 1/32.0); GL.Vertex3(x+1.0, y+0.5, z);
GL.TexCoord2(info.Back.Left, info.Back.Bottom); GL.Vertex3(x+1.0, y, z);
GL.TexCoord2(info.Back.Right, info.Back.Bottom); GL.Vertex3(x, y, z);
}
}
static void RenderStairs(Chunk chunk, BlocktypeInfo info, int x, int y, int z)
{
BlocktypeInfo right, left, top, bottom, front, back;
GetAdjacentBlocks(chunk, x, y, z, out right, out left,
out top, out bottom, out front, out back);
double x1 = 0, x2 = 0, z1 = 0, z2 = 0;
byte data = chunk.GetData(x, y, z);
switch (data) {
case 0:
x1 = 0.5; break;
case 1:
x2 = 0.5; break;
case 2:
z1 = 0.5; break;
case 3:
z2 = 0.5; break;
}
if (!right.Opaque && right.DrawMode != DrawMode.Stairs) {
AdjacentLight(chunk, x + 1, y, z);
GL.Normal3(1.0, 0.0, 0.0);
if (data == 0) {
GL.TexCoord2(info.Left.Right, info.Left.Top); GL.Vertex3(x+1.0, y+1.0, z);
GL.TexCoord2(info.Left.Left, info.Left.Top); GL.Vertex3(x+1.0, y+1.0, z+1.0);
GL.TexCoord2(info.Left.Left, info.Left.Bottom); GL.Vertex3(x+1.0, y, z+1.0);
GL.TexCoord2(info.Left.Right, info.Left.Bottom); GL.Vertex3(x+1.0, y, z);
} else {
GL.TexCoord2(info.Left.Right, info.Left.Top+1/32.0); GL.Vertex3(x+1.0, y+0.5, z);
GL.TexCoord2(info.Left.Left, info.Left.Top+1/32.0); GL.Vertex3(x+1.0, y+0.5, z+1.0);
GL.TexCoord2(info.Left.Left, info.Left.Bottom); GL.Vertex3(x+1.0, y, z+1.0);
GL.TexCoord2(info.Left.Right, info.Left.Bottom); GL.Vertex3(x+1.0, y, z);
if (data != 1) {
GL.TexCoord2(info.Left.Right-z1/16, info.Left.Top); GL.Vertex3(x+1.0, y+1.0, z+z1);
GL.TexCoord2(info.Left.Left+z2/16, info.Left.Top); GL.Vertex3(x+1.0, y+1.0, z+1.0-z2);
GL.TexCoord2(info.Left.Left+z2/16, info.Left.Bottom-1/32.0); GL.Vertex3(x+1.0, y+0.5, z+1.0-z2);
GL.TexCoord2(info.Left.Right-z1/16, info.Left.Bottom-1/32.0); GL.Vertex3(x+1.0, y+0.5, z+z1);
}
}
}
if (!left.Opaque && left.DrawMode != DrawMode.Stairs) {
AdjacentLight(chunk, x - 1, y, z);
GL.Normal3(1.0, 0.0, 0.0);
if (data == 1) {
GL.TexCoord2(info.Right.Right, info.Right.Top); GL.Vertex3(x, y+1.0, z+1.0);
GL.TexCoord2(info.Right.Left, info.Right.Top); GL.Vertex3(x, y+1.0, z);
GL.TexCoord2(info.Right.Left, info.Right.Bottom); GL.Vertex3(x, y, z);
GL.TexCoord2(info.Right.Right, info.Right.Bottom); GL.Vertex3(x, y, z+1.0);
} else {
GL.TexCoord2(info.Right.Right, info.Right.Top+1/32.0); GL.Vertex3(x, y+0.5, z+1.0);
GL.TexCoord2(info.Right.Left, info.Right.Top+1/32.0); GL.Vertex3(x, y+0.5, z);
GL.TexCoord2(info.Right.Left, info.Right.Bottom); GL.Vertex3(x, y, z);
GL.TexCoord2(info.Right.Right, info.Right.Bottom); GL.Vertex3(x, y, z+1.0);
if (data != 0) {
GL.TexCoord2(info.Left.Right-z2/16, info.Left.Top); GL.Vertex3(x, y+1.0, z+1.0-z2);
GL.TexCoord2(info.Left.Left+z1/16, info.Left.Top); GL.Vertex3(x, y+1.0, z+z1);
GL.TexCoord2(info.Left.Left+z1/16, info.Left.Bottom-1/32.0); GL.Vertex3(x, y+0.5, z+z1);
GL.TexCoord2(info.Left.Right-z2/16, info.Left.Bottom-1/32.0); GL.Vertex3(x, y+0.5, z+1.0-z2);
}
}
}
GL.Normal3(0.0, 1.0, 0.0);
if (!top.Opaque) {
AdjacentLight(chunk, x, y + 1, z);
GL.TexCoord2(info.Top.Right-x1/16, info.Top.Top+z1/16); GL.Vertex3(x+1.0-x2, y+1.0, z+z1);
GL.TexCoord2(info.Top.Left+x2/16, info.Top.Top+z1/16); GL.Vertex3(x+x1, y+1.0, z+z1);
GL.TexCoord2(info.Top.Left+x2/16, info.Top.Bottom-z2/16); GL.Vertex3(x+x1, y+1.0, z+1.0-z2);
GL.TexCoord2(info.Top.Right-x1/16, info.Top.Bottom-z2/16); GL.Vertex3(x+1.0-x2, y+1.0, z+1.0-z2);
}
Light(chunk, x, y, z);
GL.TexCoord2(info.Top.Right-x2/16, info.Top.Top+z2/16); GL.Vertex3(x+1.0-x1, y+0.5, z+z2);
GL.TexCoord2(info.Top.Left+x1/16, info.Top.Top+z2/16); GL.Vertex3(x+x2, y+0.5, z+z2);
GL.TexCoord2(info.Top.Left+x1/16, info.Top.Bottom-z1/16); GL.Vertex3(x+x2, y+0.5, z+1.0-z1);
GL.TexCoord2(info.Top.Right-x2/16, info.Top.Bottom-z1/16); GL.Vertex3(x+1.0-x1, y+0.5, z+1.0-z1);
switch (data) {
case 0:
GL.Normal3(1.0, 0.0, 0.0);
GL.TexCoord2(info.Right.Right, info.Right.Top); GL.Vertex3(x+0.5, y+1.0, z+1.0);
GL.TexCoord2(info.Right.Left, info.Right.Top); GL.Vertex3(x+0.5, y+1.0, z);
GL.TexCoord2(info.Right.Left, info.Right.Bottom-1/32.0); GL.Vertex3(x+0.5, y+0.5, z);
GL.TexCoord2(info.Right.Right, info.Right.Bottom-1/32.0); GL.Vertex3(x+0.5, y+0.5, z+1.0);
break;
case 1:
GL.Normal3(1.0, 0.0, 0.0);
GL.TexCoord2(info.Left.Right, info.Left.Top); GL.Vertex3(x+0.5, y+1.0, z);
GL.TexCoord2(info.Left.Left, info.Left.Top); GL.Vertex3(x+0.5, y+1.0, z+1.0);
GL.TexCoord2(info.Left.Left, info.Left.Bottom-1/32.0); GL.Vertex3(x+0.5, y+0.5, z+1.0);
GL.TexCoord2(info.Left.Right, info.Left.Bottom-1/32.0); GL.Vertex3(x+0.5, y+0.5, z);
break;
case 2:
GL.Normal3(0.0, 0.0, 1.0);
GL.TexCoord2(info.Back.Right, info.Back.Top); GL.Vertex3(x, y+1.0, z+0.5);
GL.TexCoord2(info.Back.Left, info.Back.Top); GL.Vertex3(x+1.0, y+1.0, z+0.5);
GL.TexCoord2(info.Back.Left, info.Back.Bottom-1/32.0); GL.Vertex3(x+1.0, y+0.5, z+0.5);
GL.TexCoord2(info.Back.Right, info.Back.Bottom-1/32.0); GL.Vertex3(x, y+0.5, z+0.5);
break;
case 3:
GL.Normal3(0.0, 0.0, 1.0);
GL.TexCoord2(info.Front.Right, info.Front.Top); GL.Vertex3(x+1.0, y+1.0, z+0.5);
GL.TexCoord2(info.Front.Left, info.Front.Top); GL.Vertex3(x, y+1.0, z+0.5);
GL.TexCoord2(info.Front.Left, info.Front.Bottom-1/32.0); GL.Vertex3(x, y+0.5, z+0.5);
GL.TexCoord2(info.Front.Right, info.Front.Bottom-1/32.0); GL.Vertex3(x+1.0, y+0.5, z+0.5);
break;
}
if (!bottom.Opaque) {
AdjacentLight(chunk, x, y - 1, z);
GL.Normal3(0.0, -1.0, 0.0);
GL.TexCoord2(info.Bottom.Left, info.Bottom.Top); GL.Vertex3(x, y, z);
GL.TexCoord2(info.Bottom.Right, info.Bottom.Top); GL.Vertex3(x+1.0, y, z);
GL.TexCoord2(info.Bottom.Right, info.Bottom.Bottom); GL.Vertex3(x+1.0, y, z+1.0);
GL.TexCoord2(info.Bottom.Left, info.Bottom.Bottom); GL.Vertex3(x, y, z+1.0);
}
if (!front.Opaque && front.DrawMode != DrawMode.Stairs) {
AdjacentLight(chunk, x, y, z + 1);
GL.Normal3(0.0, 0.0, 1.0);
if (data == 2) {
GL.TexCoord2(info.Front.Right, info.Front.Top); GL.Vertex3(x+1.0, y+1.0, z+1.0);
GL.TexCoord2(info.Front.Left, info.Front.Top); GL.Vertex3(x, y+1.0, z+1.0);
GL.TexCoord2(info.Front.Left, info.Front.Bottom); GL.Vertex3(x, y, z+1.0);
GL.TexCoord2(info.Front.Right, info.Front.Bottom); GL.Vertex3(x+1.0, y, z+1.0);
} else {
GL.TexCoord2(info.Front.Right, info.Front.Top+1/32.0); GL.Vertex3(x+1.0, y+0.5, z+1.0);
GL.TexCoord2(info.Front.Left, info.Front.Top+1/32.0); GL.Vertex3(x, y+0.5, z+1.0);
GL.TexCoord2(info.Front.Left, info.Front.Bottom); GL.Vertex3(x, y, z+1.0);
GL.TexCoord2(info.Front.Right, info.Front.Bottom); GL.Vertex3(x+1.0, y, z+1.0);
if (data != 3) {
GL.TexCoord2(info.Front.Right-x2/16, info.Front.Top); GL.Vertex3(x+1.0-x2, y+1.0, z+1.0);
GL.TexCoord2(info.Front.Left+x1/16, info.Front.Top); GL.Vertex3(x+x1, y+1.0, z+1.0);
GL.TexCoord2(info.Front.Left+x1/16, info.Front.Bottom-1/32.0); GL.Vertex3(x+x1, y+0.5, z+1.0);
GL.TexCoord2(info.Front.Right-x2/16, info.Front.Bottom-1/32.0); GL.Vertex3(x+1.0-x2, y+0.5, z+1.0);
}
}
}
if (!back.Opaque && back.DrawMode != DrawMode.Stairs) {
AdjacentLight(chunk, x, y, z - 1);
GL.Normal3(0.0, 0.0, 1.0);
if (data == 3) {
GL.TexCoord2(info.Back.Right, info.Back.Top); GL.Vertex3(x, y+1.0, z);
GL.TexCoord2(info.Back.Left, info.Back.Top); GL.Vertex3(x+1.0, y+1.0, z);
GL.TexCoord2(info.Back.Left, info.Back.Bottom); GL.Vertex3(x+1.0, y, z);
GL.TexCoord2(info.Back.Right, info.Back.Bottom); GL.Vertex3(x, y, z);
} else {
GL.TexCoord2(info.Back.Right, info.Back.Top+1/32.0); GL.Vertex3(x, y+0.5, z);
GL.TexCoord2(info.Back.Left, info.Back.Top+1/32.0); GL.Vertex3(x+1.0, y+0.5, z);
GL.TexCoord2(info.Back.Left, info.Back.Bottom); GL.Vertex3(x+1.0, y, z);
GL.TexCoord2(info.Back.Right, info.Back.Bottom); GL.Vertex3(x, y, z);
if (data != 2) {
GL.TexCoord2(info.Back.Right-x1/16, info.Back.Top); GL.Vertex3(x+x1, y+1.0, z);
GL.TexCoord2(info.Back.Left+x2/16, info.Back.Top); GL.Vertex3(x+1.0-x2, y+1.0, z);
GL.TexCoord2(info.Back.Left+x2/16, info.Back.Bottom-1/32.0); GL.Vertex3(x+1.0-x2, y+0.5, z);
GL.TexCoord2(info.Back.Right-x1/16, info.Back.Bottom-1/32.0); GL.Vertex3(x+x1, y+0.5, z);
}
}
}
}
static void RenderSoil(Chunk chunk, BlocktypeInfo info, int x, int y, int z)
{
BlocktypeInfo right, left, top, bottom, front, back;
GetAdjacentBlocks(chunk, x, y, z, out right, out left,
out top, out bottom, out front, out back);
byte wet = Math.Min(chunk.GetData(x, y, z), (byte)1);
if (!right.Opaque) {
AdjacentLight(chunk, x + 1, y, z);
GL.Normal3(1.0, 0.0, 0.0);
GL.TexCoord2(info.Left.Right, info.Left.Top+1/256.0); GL.Vertex3(x+1.0, y+1.0-1/16.0, z);
GL.TexCoord2(info.Left.Left, info.Left.Top+1/256.0); GL.Vertex3(x+1.0, y+1.0-1/16.0, z+1.0);
GL.TexCoord2(info.Left.Left, info.Left.Bottom); GL.Vertex3(x+1.0, y, z+1.0);
GL.TexCoord2(info.Left.Right, info.Left.Bottom); GL.Vertex3(x+1.0, y, z);
}
if (!left.Opaque) {
AdjacentLight(chunk, x - 1, y, z);
GL.Normal3(1.0, 0.0, 0.0);
GL.TexCoord2(info.Right.Right, info.Right.Top+1/256.0); GL.Vertex3(x, y+1.0-1/16.0, z+1.0);
GL.TexCoord2(info.Right.Left, info.Right.Top+1/256.0); GL.Vertex3(x, y+1.0-1/16.0, z);
GL.TexCoord2(info.Right.Left, info.Right.Bottom); GL.Vertex3(x, y, z);
GL.TexCoord2(info.Right.Right, info.Right.Bottom); GL.Vertex3(x, y, z+1.0);
}
Light(chunk, x, y, z);
GL.Normal3(0.0, 1.0, 0.0);
GL.TexCoord2(info.Top.Right-wet/16.0, info.Top.Top); GL.Vertex3(x+1.0, y+1.0-1/16.0, z);
GL.TexCoord2(info.Top.Left-wet/16.0, info.Top.Top); GL.Vertex3(x, y+1.0-1/16.0, z);
GL.TexCoord2(info.Top.Left-wet/16.0, info.Top.Bottom); GL.Vertex3(x, y+1.0-1/16.0, z+1.0);
GL.TexCoord2(info.Top.Right-wet/16.0, info.Top.Bottom); GL.Vertex3(x+1.0, y+1.0-1/16.0, z+1.0);
if (!bottom.Opaque) {
AdjacentLight(chunk, x, y - 1, z);
GL.Normal3(0.0, -1.0, 0.0);
GL.TexCoord2(info.Bottom.Left, info.Bottom.Top+1/256.0); GL.Vertex3(x, y, z);
GL.TexCoord2(info.Bottom.Right, info.Bottom.Top+1/256.0); GL.Vertex3(x+1.0, y, z);
GL.TexCoord2(info.Bottom.Right, info.Bottom.Bottom); GL.Vertex3(x+1.0, y, z+1.0);
GL.TexCoord2(info.Bottom.Left, info.Bottom.Bottom); GL.Vertex3(x, y, z+1.0);
}
if (!front.Opaque) {
AdjacentLight(chunk, x, y, z + 1);
GL.Normal3(0.0, 0.0, 1.0);
GL.TexCoord2(info.Front.Right, info.Front.Top); GL.Vertex3(x+1.0, y+1.0-1/16.0, z+1.0);
GL.TexCoord2(info.Front.Left, info.Front.Top); GL.Vertex3(x, y+1.0-1/16.0, z+1.0);
GL.TexCoord2(info.Front.Left, info.Front.Bottom); GL.Vertex3(x, y, z+1.0);
GL.TexCoord2(info.Front.Right, info.Front.Bottom); GL.Vertex3(x+1.0, y, z+1.0);
}
if (!back.Opaque) {
AdjacentLight(chunk, x, y, z - 1);
GL.Normal3(0.0, 0.0, 1.0);
GL.TexCoord2(info.Back.Right, info.Back.Top+1/256.0); GL.Vertex3(x, y+1.0-1/16.0, z);
GL.TexCoord2(info.Back.Left, info.Back.Top+1/256.0); GL.Vertex3(x+1.0, y+1.0-1/16.0, z);
GL.TexCoord2(info.Back.Left, info.Back.Bottom); GL.Vertex3(x+1.0, y, z);
GL.TexCoord2(info.Back.Right, info.Back.Bottom); GL.Vertex3(x, y, z);
}
}
static void RenderPlant(Chunk chunk, BlocktypeInfo info, int x, int y, int z)
{
Light(chunk, x, y, z);
GL.Normal3(0.0, 1.0, 0.0);
GL.TexCoord2(info.Top.Right, info.Top.Top); GL.Vertex3(x, y+1.0, z);
GL.TexCoord2(info.Top.Left, info.Top.Top); GL.Vertex3(x+1.0, y+1.0, z+1.0);
GL.TexCoord2(info.Top.Left, info.Top.Bottom); GL.Vertex3(x+1.0, y, z+1.0);
GL.TexCoord2(info.Top.Right, info.Top.Bottom); GL.Vertex3(x, y, z);
GL.TexCoord2(info.Top.Left, info.Top.Top); GL.Vertex3(x+1.0, y+1.0, z+1.0);
GL.TexCoord2(info.Top.Right, info.Top.Top); GL.Vertex3(x, y+1.0, z);
GL.TexCoord2(info.Top.Right, info.Top.Bottom); GL.Vertex3(x, y, z);
GL.TexCoord2(info.Top.Left, info.Top.Bottom); GL.Vertex3(x+1.0, y, z+1.0);
GL.TexCoord2(info.Top.Right, info.Top.Top); GL.Vertex3(x+1.0, y+1.0, z);
GL.TexCoord2(info.Top.Left, info.Top.Top); GL.Vertex3(x, y+1.0, z+1.0);
GL.TexCoord2(info.Top.Left, info.Top.Bottom); GL.Vertex3(x, y, z+1.0);
GL.TexCoord2(info.Top.Right, info.Top.Bottom); GL.Vertex3(x+1.0, y, z);
GL.TexCoord2(info.Top.Left, info.Top.Top); GL.Vertex3(x, y+1.0, z+1.0);
GL.TexCoord2(info.Top.Right, info.Top.Top); GL.Vertex3(x+1.0, y+1.0, z);
GL.TexCoord2(info.Top.Right, info.Top.Bottom); GL.Vertex3(x+1.0, y, z);
GL.TexCoord2(info.Top.Left, info.Top.Bottom); GL.Vertex3(x, y, z+1.0);
}
static void RenderPickingBlock(Chunk chunk, BlocktypeInfo info, int x, int y, int z)
{
BlocktypeInfo right, left, top, bottom, front, back;
GetAdjacentBlocks(chunk, x, y, z, out right, out left,
out top, out bottom, out front, out back);
if (right.Type == Blocktype.Air) {
GL.PushName((int)Side.Right);
GL.Begin(BeginMode.Quads);
GL.Vertex3(x+1.0, y+1.0, z);
GL.Vertex3(x+1.0, y+1.0, z+1.0);
GL.Vertex3(x+1.0, y, z+1.0);
GL.Vertex3(x+1.0, y, z);
GL.End();
GL.PopName();
}
if (left.Type == Blocktype.Air) {
GL.PushName((int)Side.Left);
GL.Begin(BeginMode.Quads);
GL.Vertex3(x, y+1.0, z+1.0);
GL.Vertex3(x, y+1.0, z);
GL.Vertex3(x, y, z);
GL.Vertex3(x, y, z+1.0);
GL.End();
GL.PopName();
}
if (top.Type == Blocktype.Air) {
GL.PushName((int)Side.Top);
GL.Begin(BeginMode.Quads);
GL.Vertex3(x+1.0, y+1.0, z);
GL.Vertex3(x, y+1.0, z);
GL.Vertex3(x, y+1.0, z+1.0);
GL.Vertex3(x+1.0, y+1.0, z+1.0);
GL.End();
GL.PopName();
}
if (bottom.Type == Blocktype.Air) {
GL.PushName((int)Side.Bottom);
GL.Begin(BeginMode.Quads);
GL.Vertex3(x, y, z);
GL.Vertex3(x+1.0, y, z);
GL.Vertex3(x+1.0, y, z+1.0);
GL.Vertex3(x, y, z+1.0);
GL.End();
GL.PopName();
}
if (front.Type == Blocktype.Air) {
GL.PushName((int)Side.Front);
GL.Begin(BeginMode.Quads);
GL.Vertex3(x+1.0, y+1.0, z+1.0);
GL.Vertex3(x, y+1.0, z+1.0);
GL.Vertex3(x, y, z+1.0);
GL.Vertex3(x+1.0, y, z+1.0);
GL.End();
GL.PopName();
}
if (back.Type == Blocktype.Air) {
GL.PushName((int)Side.Back);
GL.Begin(BeginMode.Quads);
GL.Vertex3(x, y+1.0, z);
GL.Vertex3(x+1.0, y+1.0, z);
GL.Vertex3(x+1.0, y, z);
GL.Vertex3(x, y, z);
GL.End();
GL.PopName();
}
}
static void RenderFurnace(Chunk chunk, BlocktypeInfo info, int x, int y, int z)
{
BlocktypeInfo right, left, top, bottom, front, back;
GetAdjacentBlocks(chunk, x, y, z, out right, out left,
out top, out bottom, out front, out back);
RectangleF rect_right = info.Right;
RectangleF rect_left = info.Right;
RectangleF rect_front = info.Right;
RectangleF rect_back = info.Right;
byte data = chunk.GetData(x, y, z);
switch (data) {
case 2:
rect_back = info.Front; break;
case 3:
rect_front = info.Front; break;
case 4:
rect_left = info.Front; break;
case 5:
rect_right = info.Front; break;
}
if (!right.Opaque) {
AdjacentLight(chunk, x + 1, y, z);
GL.Normal3(1.0, 0.0, 0.0);
GL.TexCoord2(rect_right.Right, rect_right.Top); GL.Vertex3(x+1.0, y+1.0, z);
GL.TexCoord2(rect_right.Left, rect_right.Top); GL.Vertex3(x+1.0, y+1.0, z+1.0);
GL.TexCoord2(rect_right.Left, rect_right.Bottom); GL.Vertex3(x+1.0, y, z+1.0);
GL.TexCoord2(rect_right.Right, rect_right.Bottom); GL.Vertex3(x+1.0, y, z);
}
if (!left.Opaque) {
AdjacentLight(chunk, x - 1, y, z);
GL.Normal3(1.0, 0.0, 0.0);
GL.TexCoord2(rect_left.Right, rect_left.Top); GL.Vertex3(x, y+1.0, z+1.0);
GL.TexCoord2(rect_left.Left, rect_left.Top); GL.Vertex3(x, y+1.0, z);
GL.TexCoord2(rect_left.Left, rect_left.Bottom); GL.Vertex3(x, y, z);
GL.TexCoord2(rect_left.Right, rect_left.Bottom); GL.Vertex3(x, y, z+1.0);
}
if (!top.Opaque) {
AdjacentLight(chunk, x, y + 1, z);
GL.Normal3(0.0, 1.0, 0.0);
GL.TexCoord2(info.Top.Right, info.Top.Top); GL.Vertex3(x+1.0, y+1.0, z);
GL.TexCoord2(info.Top.Left, info.Top.Top); GL.Vertex3(x, y+1.0, z);
GL.TexCoord2(info.Top.Left, info.Top.Bottom); GL.Vertex3(x, y+1.0, z+1.0);
GL.TexCoord2(info.Top.Right, info.Top.Bottom); GL.Vertex3(x+1.0, y+1.0, z+1.0);
}
if (!bottom.Opaque) {
AdjacentLight(chunk, x, y - 1, z);
GL.Normal3(0.0, -1.0, 0.0);
GL.TexCoord2(info.Bottom.Left, info.Bottom.Top); GL.Vertex3(x, y, z);
GL.TexCoord2(info.Bottom.Right, info.Bottom.Top); GL.Vertex3(x+1.0, y, z);
GL.TexCoord2(info.Bottom.Right, info.Bottom.Bottom); GL.Vertex3(x+1.0, y, z+1.0);
GL.TexCoord2(info.Bottom.Left, info.Bottom.Bottom); GL.Vertex3(x, y, z+1.0);
}
if (!front.Opaque) {
AdjacentLight(chunk, x, y, z + 1);
GL.Normal3(0.0, 0.0, 1.0);
GL.TexCoord2(rect_front.Right, rect_front.Top); GL.Vertex3(x+1.0, y+1.0, z+1.0);
GL.TexCoord2(rect_front.Left, rect_front.Top); GL.Vertex3(x, y+1.0, z+1.0);
GL.TexCoord2(rect_front.Left, rect_front.Bottom); GL.Vertex3(x, y, z+1.0);
GL.TexCoord2(rect_front.Right, rect_front.Bottom); GL.Vertex3(x+1.0, y, z+1.0);
}
if (!back.Opaque) {
AdjacentLight(chunk, x, y, z - 1);
GL.Normal3(0.0, 0.0, 1.0);
GL.TexCoord2(rect_back.Right, rect_back.Top); GL.Vertex3(x, y+1.0, z);
GL.TexCoord2(rect_back.Left, rect_back.Top); GL.Vertex3(x+1.0, y+1.0, z);
GL.TexCoord2(rect_back.Left, rect_back.Bottom); GL.Vertex3(x+1.0, y, z);
GL.TexCoord2(rect_back.Right, rect_back.Bottom); GL.Vertex3(x, y, z);
}
}
static void RenderCrop(Chunk chunk, BlocktypeInfo info, int x, int y, int z)
{
Light(chunk, x, y, z);
GL.Normal3(0.0, 1.0, 0.0);
byte data = chunk.GetData(x, y, z);
GL.TexCoord2(info.Right.Right+data/16.0, info.Right.Top); GL.Vertex3(x+0.25, y+1.0-1/16.0, z+1.0);
GL.TexCoord2(info.Right.Left+data/16.0, info.Right.Top); GL.Vertex3(x+0.25, y+1.0-1/16.0, z);
GL.TexCoord2(info.Right.Left+data/16.0, info.Right.Bottom); GL.Vertex3(x+0.25, y-1/16.0, z);
GL.TexCoord2(info.Right.Right+data/16.0, info.Right.Bottom); GL.Vertex3(x+0.25, y-1/16.0, z+1.0);
GL.TexCoord2(info.Right.Left+data/16.0, info.Right.Top); GL.Vertex3(x+0.25, y+1.0-1/16.0, z);
GL.TexCoord2(info.Right.Right+data/16.0, info.Right.Top); GL.Vertex3(x+0.25, y+1.0-1/16.0, z+1.0);
GL.TexCoord2(info.Right.Right+data/16.0, info.Right.Bottom); GL.Vertex3(x+0.25, y-1/16.0, z+1.0);
GL.TexCoord2(info.Right.Left+data/16.0, info.Right.Bottom); GL.Vertex3(x+0.25, y-1/16.0, z);
GL.TexCoord2(info.Left.Right+data/16.0, info.Left.Top); GL.Vertex3(x+0.75, y+1.0-1/16.0, z);
GL.TexCoord2(info.Left.Left+data/16.0, info.Left.Top); GL.Vertex3(x+0.75, y+1.0-1/16.0, z+1.0);
GL.TexCoord2(info.Left.Left+data/16.0, info.Left.Bottom); GL.Vertex3(x+0.75, y-1/16.0, z+1.0);
GL.TexCoord2(info.Left.Right+data/16.0, info.Left.Bottom); GL.Vertex3(x+0.75, y-1/16.0, z);
GL.TexCoord2(info.Left.Left+data/16.0, info.Left.Top); GL.Vertex3(x+0.75, y+1.0-1/16.0, z+1.0);
GL.TexCoord2(info.Left.Right+data/16.0, info.Left.Top); GL.Vertex3(x+0.75, y+1.0-1/16.0, z);
GL.TexCoord2(info.Left.Right+data/16.0, info.Left.Bottom); GL.Vertex3(x+0.75, y-1/16.0, z);
GL.TexCoord2(info.Left.Left+data/16.0, info.Left.Bottom); GL.Vertex3(x+0.75, y-1/16.0, z+1.0);
GL.TexCoord2(info.Front.Right+data/16.0, info.Front.Top); GL.Vertex3(x+1.0, y+1.0-1/16.0, z+0.75);
GL.TexCoord2(info.Front.Left+data/16.0, info.Front.Top); GL.Vertex3(x, y+1.0-1/16.0, z+0.75);
GL.TexCoord2(info.Front.Left+data/16.0, info.Front.Bottom); GL.Vertex3(x, y-1/16.0, z+0.75);
GL.TexCoord2(info.Front.Right+data/16.0, info.Front.Bottom); GL.Vertex3(x+1.0, y-1/16.0, z+0.75);
GL.TexCoord2(info.Front.Left+data/16.0, info.Front.Top); GL.Vertex3(x, y+1.0-1/16.0, z+0.75);
GL.TexCoord2(info.Front.Right+data/16.0, info.Front.Top); GL.Vertex3(x+1.0, y+1.0-1/16.0, z+0.75);
GL.TexCoord2(info.Front.Right+data/16.0, info.Front.Bottom); GL.Vertex3(x+1.0, y-1/16.0, z+0.75);
GL.TexCoord2(info.Front.Left+data/16.0, info.Front.Bottom); GL.Vertex3(x, y-1/16.0, z+0.75);
GL.TexCoord2(info.Back.Right+data/16.0, info.Back.Top); GL.Vertex3(x, y+1.0-1/16.0, z+0.25);
GL.TexCoord2(info.Back.Left+data/16.0, info.Back.Top); GL.Vertex3(x+1.0, y+1.0-1/16.0, z+0.25);
GL.TexCoord2(info.Back.Left+data/16.0, info.Back.Bottom); GL.Vertex3(x+1.0, y-1/16.0, z+0.25);
GL.TexCoord2(info.Back.Right+data/16.0, info.Back.Bottom); GL.Vertex3(x, y-1/16.0, z+0.25);
GL.TexCoord2(info.Back.Left+data/16.0, info.Back.Top); GL.Vertex3(x+1.0, y+1.0-1/16.0, z+0.25);
GL.TexCoord2(info.Back.Right+data/16.0, info.Back.Top); GL.Vertex3(x, y+1.0-1/16.0, z+0.25);
GL.TexCoord2(info.Back.Right+data/16.0, info.Back.Bottom); GL.Vertex3(x, y-1/16.0, z+0.25);
GL.TexCoord2(info.Back.Left+data/16.0, info.Back.Bottom); GL.Vertex3(x+1.0, y-1/16.0, z+0.25);
}
static void RenderChest(Chunk chunk, BlocktypeInfo info, int x, int y, int z)
{
BlocktypeInfo right, left, top, bottom, front, back;
GetAdjacentBlocks(chunk, x, y, z, out right, out left,
out top, out bottom, out front, out back);
// TODO: Finish double-chest rendering
//if (right.Type != info.Type && left.Type != info.Type &&
// front.Type != info.Type && back.Type != info.Type) {
RectangleF rect_right = info.Right;
RectangleF rect_left = info.Right;
RectangleF rect_front = info.Right;
RectangleF rect_back = info.Right;
if (right.Opaque) {
if (left.Opaque) {
if (front.Opaque) rect_back = info.Front;
else if (back.Opaque) rect_front = info.Front;
} else rect_left = info.Front;
} else rect_right = info.Front;
if (!right.Opaque) {
AdjacentLight(chunk, x + 1, y, z);
GL.Normal3(1.0, 0.0, 0.0);
GL.TexCoord2(rect_right.Right, rect_right.Top); GL.Vertex3(x+1.0, y+1.0, z);
GL.TexCoord2(rect_right.Left, rect_right.Top); GL.Vertex3(x+1.0, y+1.0, z+1.0);
GL.TexCoord2(rect_right.Left, rect_right.Bottom); GL.Vertex3(x+1.0, y, z+1.0);
GL.TexCoord2(rect_right.Right, rect_right.Bottom); GL.Vertex3(x+1.0, y, z);
}
if (!left.Opaque) {
AdjacentLight(chunk, x - 1, y, z);
GL.Normal3(1.0, 0.0, 0.0);
GL.TexCoord2(rect_left.Right, rect_left.Top); GL.Vertex3(x, y+1.0, z+1.0);
GL.TexCoord2(rect_left.Left, rect_left.Top); GL.Vertex3(x, y+1.0, z);
GL.TexCoord2(rect_left.Left, rect_left.Bottom); GL.Vertex3(x, y, z);
GL.TexCoord2(rect_left.Right, rect_left.Bottom); GL.Vertex3(x, y, z+1.0);
}
if (!top.Opaque) {
AdjacentLight(chunk, x, y + 1, z);
GL.Normal3(0.0, 1.0, 0.0);
GL.TexCoord2(info.Top.Right, info.Top.Top); GL.Vertex3(x+1.0, y+1.0, z);
GL.TexCoord2(info.Top.Left, info.Top.Top); GL.Vertex3(x, y+1.0, z);
GL.TexCoord2(info.Top.Left, info.Top.Bottom); GL.Vertex3(x, y+1.0, z+1.0);
GL.TexCoord2(info.Top.Right, info.Top.Bottom); GL.Vertex3(x+1.0, y+1.0, z+1.0);
}
if (!bottom.Opaque) {
AdjacentLight(chunk, x, y - 1, z);
GL.Normal3(0.0, -1.0, 0.0);
GL.TexCoord2(info.Bottom.Left, info.Bottom.Top); GL.Vertex3(x, y, z);
GL.TexCoord2(info.Bottom.Right, info.Bottom.Top); GL.Vertex3(x+1.0, y, z);
GL.TexCoord2(info.Bottom.Right, info.Bottom.Bottom); GL.Vertex3(x+1.0, y, z+1.0);
GL.TexCoord2(info.Bottom.Left, info.Bottom.Bottom); GL.Vertex3(x, y, z+1.0);
}
if (!front.Opaque) {
AdjacentLight(chunk, x, y, z + 1);
GL.Normal3(0.0, 0.0, 1.0);
GL.TexCoord2(rect_front.Right, rect_front.Top); GL.Vertex3(x+1.0, y+1.0, z+1.0);
GL.TexCoord2(rect_front.Left, rect_front.Top); GL.Vertex3(x, y+1.0, z+1.0);
GL.TexCoord2(rect_front.Left, rect_front.Bottom); GL.Vertex3(x, y, z+1.0);
GL.TexCoord2(rect_front.Right, rect_front.Bottom); GL.Vertex3(x+1.0, y, z+1.0);
}
if (!back.Opaque) {
AdjacentLight(chunk, x, y, z - 1);
GL.Normal3(0.0, 0.0, 1.0);
GL.TexCoord2(rect_back.Right, rect_back.Top); GL.Vertex3(x, y+1.0, z);
GL.TexCoord2(rect_back.Left, rect_back.Top); GL.Vertex3(x+1.0, y+1.0, z);
GL.TexCoord2(rect_back.Left, rect_back.Bottom); GL.Vertex3(x+1.0, y, z);
GL.TexCoord2(rect_back.Right, rect_back.Bottom); GL.Vertex3(x, y, z);
}
//}
}