68 lines
1.3 KiB
Go
68 lines
1.3 KiB
Go
package world
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import (
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"github.com/Tnze/go-mc/bot/world/entity"
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)
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// World record all of the things in the world where player at
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type World struct {
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Entities map[int32]entity.Entity
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Chunks map[ChunkLoc]*Chunk
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}
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// Chunk store a 256*16*16 column blocks
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type Chunk struct {
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Sections [16]Section
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}
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// Section store a 16*16*16 cube blocks
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type Section interface {
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GetBlock(x, y, z int) BlockStatus
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}
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type BlockStatus uint32
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type ChunkLoc struct {
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X, Z int
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}
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// //Entity 表示一个实体
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// type Entity interface {
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// EntityID() int32
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// }
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// //Face is a face of a block
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// type Face byte
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// // All six faces in a block
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// const (
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// Bottom Face = iota
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// Top
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// North
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// South
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// West
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// East
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// )
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// getBlock return the block in the position (x, y, z)
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func (w *World) GetBlockStatus(x, y, z int) BlockStatus {
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// Use n>>4 rather then n/16. It acts wrong if n<0.
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c := w.Chunks[ChunkLoc{x >> 4, z >> 4}]
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if c != nil {
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// (n&(16-1)) == (n<0 ? n%16+16 : n%16)
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if sec := c.Sections[y>>4]; sec != nil {
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return sec.GetBlock(x&15, y&15, z&15)
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}
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}
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return 0
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}
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// func (b Block) String() string {
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// return blockNameByID[b.id]
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// }
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//LoadChunk load chunk at (x, z)
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func (w *World) LoadChunk(x, z int, c *Chunk) {
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w.Chunks[ChunkLoc{X: x, Z: z}] = c
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}
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