public Block(BlockType type, Vector3 pos, Chunk chunk)
{
Type = type;
Chunk = chunk;
Position = pos;
makeBBox();
setDefaultProperties();
}
public void GenChunk(Chunk chunk)
{
Random r = new Random((chunk.X + chunk.Z) * (chunk.X + chunk.Z + 1) / 2 + chunk.Z);
Vector3 chunkpos = new Vector3(chunk.X * Chunk.CHUNK_SIZE, 0, chunk.Z * Chunk.CHUNK_SIZE);
#region terrain height, grass blocks
for (int x = 0; x < Chunk.CHUNK_SIZE; x++) {
for (int z = 0; z < Chunk.CHUNK_SIZE; z++) {
int wx = chunk.X * Chunk.CHUNK_SIZE + x;
int wz = chunk.Z * Chunk.CHUNK_SIZE + z;
int h = heightAt(wx, wz);
for (int y = 0; y <= h; y++) {
if (y == h) {
chunk.blocks[x, y, z] = new Block(BlockType.Grass, chunkpos + new Vector3(x, y, z), chunk);
} else if (y > h - 5)
chunk.blocks[x, y, z] = new Block(BlockType.Dirt, chunkpos + new Vector3(x, y, z), chunk);
else
chunk.blocks[x, y, z] = new Block(BlockType.Stone, chunkpos + new Vector3(x, y, z), chunk);
}
}
}
#endregion
#region caves
for (int x = 0; x < Chunk.CHUNK_SIZE; x++) {
for (int z = 0; z < Chunk.CHUNK_SIZE; z++) {
int wx = chunk.X * Chunk.CHUNK_SIZE + x;
int wz = chunk.Z * Chunk.CHUNK_SIZE + z;
for (int y = 0; y <= heightAt(wx, wz); y++) {
if (getCaveNoise(wx, y, wz) > caveNoiseIso) {
chunk.blocks[x, y, z] = null;
}
}
}
}
#endregion
#region ocean
for (int x = 0; x < Chunk.CHUNK_SIZE; x++) {
for (int z = 0; z < Chunk.CHUNK_SIZE; z++) {
int wx = chunk.X * Chunk.CHUNK_SIZE + x;
int wz = chunk.Z * Chunk.CHUNK_SIZE + z;
if (getOceanNiose(wx, wz) > oceanNoiseIso) {
for (int y = waterHeight; y >= 0; y--) {
if (chunk.blocks[x, y, z] != null) {
if (chunk.blocks[x, y, z].Type == BlockType.Grass && y != waterHeight)
chunk.blocks[x, y, z] = new Block(BlockType.Dirt, chunkpos + new Vector3(x, y, z), chunk);
break;
}
chunk.blocks[x, y, z] = new Block(BlockType.Water, chunkpos + new Vector3(x, y, z), chunk);
}
}
}
}
#endregion
#region world floor
for (int x = 0; x < Chunk.CHUNK_SIZE; x++)
for (int z = 0; z < Chunk.CHUNK_SIZE; z++)
for (int y = 0; y <= 2; y++)
chunk.blocks[x, y, z] = new Block(BlockType.Stone, chunkpos + new Vector3(x, y, z), chunk);
#endregion
#region tall grass
for (int x = 0; x < Chunk.CHUNK_SIZE; x++) {
for (int z = 0; z < Chunk.CHUNK_SIZE; z++) {
int wx = chunk.X * Chunk.CHUNK_SIZE + x;
int wz = chunk.Z * Chunk.CHUNK_SIZE + z;
int y = heightAt(wx, wz);
if (chunk.blocks[x, y, z] != null && chunk.blocks[x, y, z].Type == BlockType.Grass) {
if (r.Next(0, 10) < 3) {
chunk.blocks[x, y + 1, z] = new Block(BlockType.TallGrass, chunkpos + new Vector3(x, y + 1, z), chunk);
chunk.blocks[x, y + 1, z].TextureId = r.Next(0, 6);
chunk.blocks[x, y + 1, z].Data = new Vector4((float)r.NextDouble(), (float)r.NextDouble(), (float)r.NextDouble(), (float)r.NextDouble());
}
}
}
}
#endregion
#region trees
for (int x = 2; x < Chunk.CHUNK_SIZE - 2;) {
int xd = 1;
for (int z = 2; z < Chunk.CHUNK_SIZE - 2;) {
float tn = getTreeNoise(chunk.X * Chunk.CHUNK_SIZE + x, chunk.Z * Chunk.CHUNK_SIZE + z);
int height = 5;
int start = heightAt(chunk.X * Chunk.CHUNK_SIZE + x, chunk.Z * Chunk.CHUNK_SIZE + z);
if (tn > 0f && chunk.blocks[x, start, z] != null && chunk.blocks[x, start, z].Type == BlockType.Grass) {
chunk.blocks[x, start, z] = new Block(BlockType.Dirt, chunkpos + new Vector3(x, start, z), chunk);
// Leaves
for (int y = 2; y >= 0; y--) {
if (y == 0) {
for (int x2 = x - 1; x2 <= x + 1; x2++)
chunk.blocks[x2, start + height, z] = new Block(BlockType.Leaves, chunkpos + new Vector3(x2, start + height, z), chunk);
for (int z2 = z - 1; z2 <= z + 1; z2++)
chunk.blocks[x, start + height, z2] = new Block(BlockType.Leaves, chunkpos + new Vector3(x, start + height, z2), chunk);
} else {
for (int x2 = x - 2; x2 <= x + 2; x2++)
for (int z2 = z - 2; z2 <= z + 2; z2++)
if (!((x2 == x + 2 || x2 == x - 2) && (z2 == z - 2 || z2 == z + 2) && y == 1))
chunk.blocks[x2, start + height - y, z2] = new Block(BlockType.Leaves, chunkpos + new Vector3(x2, start + height - y, z2), chunk);
}
}
// Trunk
for (int y = start + 1; y < start + height; y++)
chunk.blocks[x, y, z] = new Block(BlockType.Log, chunkpos + new Vector3(x, y, z), chunk);
z += r.Next(3, 6);
xd = r.Next(3, 6);
} else {
z++;
}
}
x += xd;
}
#endregion
}
/// <summary>
/// Grows tree with a base at (x,y,z)
/// </summary>
/// <param name="x"></param>
/// <param name="y"></param>
/// <param name="z"></param>
public void GrowTree(int x, int y, int z, int height, Chunk chunk)
{
if (y + height < Chunk.CHUNK_HEIGHT) {
for (int y2 = y; y2 < y + height; y2++) {
chunk.blocks[x, y2, z] = new Block(BlockType.Log, new Vector3(x, y2, z), chunk);
}
}
}
