func (sh *SimplexHills) Chunk(cc coords.Chunk) *mapgen.Chunk {
// Build the height map
hMap := make([][]int, coords.ChunkWidth)
for x := range hMap {
hMap[x] = make([]int, coords.ChunkDepth)
for z := range hMap[x] {
oc := coords.Offset{X: x, Y: 0, Z: z}
bc := oc.Block(cc)
hMap[x][z] = int(sh.heightAt(float64(bc.X), float64(bc.Z)))
}
}
chunk := &mapgen.Chunk{}
for ocX := 0; ocX < coords.ChunkWidth; ocX++ {
for ocY := 0; ocY < coords.ChunkHeight; ocY++ {
for ocZ := 0; ocZ < coords.ChunkDepth; ocZ++ {
oc := coords.Offset{X: ocX, Y: ocY, Z: ocZ}
bc := oc.Block(cc)
block := sh.block(bc, hMap[oc.X][oc.Z])
chunk.SetBlock(oc, block)
}
}
}
return chunk
}
func (c *Chunk) SetBlock(oc coords.Offset, newBlock Block) {
c.blocks[oc.Index()] = newBlock
}
func (c *Chunk) Block(oc coords.Offset) Block {
return c.blocks[oc.Index()]
}