mirror of
https://github.com/CosmicStar98/bedrocktool.git
synced 2024-06-26 03:59:46 +00:00
108 lines
2.1 KiB
Go
108 lines
2.1 KiB
Go
package main
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import (
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"image"
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"image/color"
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"image/draw"
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"github.com/sandertv/gophertunnel/minecraft"
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"github.com/sandertv/gophertunnel/minecraft/protocol"
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"github.com/sandertv/gophertunnel/minecraft/protocol/packet"
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)
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const VIEW_MAP_ID = 0x424242
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var MAP_ITEM_PACKET packet.InventoryContent = packet.InventoryContent{
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WindowID: 119,
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Content: []protocol.ItemInstance{
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{
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StackNetworkID: 1,
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Stack: protocol.ItemStack{
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ItemType: protocol.ItemType{
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NetworkID: 420,
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MetadataValue: 0,
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},
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BlockRuntimeID: 0,
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Count: 1,
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NBTData: map[string]interface{}{
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"map_uuid": int64(VIEW_MAP_ID),
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},
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},
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},
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},
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}
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// draw chunk images to the map image
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func (w *WorldState) draw_map() {
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// get the chunk coord bounds
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min := protocol.ChunkPos{}
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max := protocol.ChunkPos{}
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for _ch := range w.chunks {
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if _ch.X() < min.X() {
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min[0] = _ch.X()
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}
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if _ch.Z() < min.Z() {
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min[1] = _ch.Z()
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}
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if _ch.X() > max.X() {
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max[0] = _ch.X()
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}
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if _ch.Z() > max.Z() {
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max[1] = _ch.Z()
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}
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}
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px_per_chunk := 128 / int(max[0]-min[0]+1)
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for i := 0; i < len(w.img.Pix); i++ { // clear canvas
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w.img.Pix[i] = 0
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}
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for _ch := range w.chunks {
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px_pos := image.Point{X: int(_ch.X() - min.X()), Y: int(_ch.Z() - min.Z())}
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draw.Draw(
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w.img,
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image.Rect(
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px_pos.X*px_per_chunk,
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px_pos.Y*px_per_chunk,
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(px_pos.X+1)*px_per_chunk,
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(px_pos.Y+1)*px_per_chunk,
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),
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w.chunks_images[_ch],
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image.Point{},
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draw.Src,
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)
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}
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}
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var _map_send_lock = false
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func (w *WorldState) send_map_update(conn *minecraft.Conn) error {
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if _map_send_lock {
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return nil
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}
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_map_send_lock = true
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if w.needRedraw {
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w.needRedraw = false
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w.draw_map()
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}
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pixels := make([][]color.RGBA, 128)
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for y := 0; y < 128; y++ {
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pixels[y] = make([]color.RGBA, 128)
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for x := 0; x < 128; x++ {
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pixels[y][x] = w.img.At(x, y).(color.RGBA)
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}
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}
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_map_send_lock = false
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return conn.WritePacket(&packet.ClientBoundMapItemData{
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MapID: VIEW_MAP_ID,
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Width: 128,
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Height: 128,
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Pixels: pixels,
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UpdateFlags: 2,
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})
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}
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