func (rw *RegionWrapper) GetBiomeAt(x, z int) (mcmap.Biome, bool) {
cx, cz, bx, bz := mcmap.BlockToChunk(x, z)
pos := XZPos{cx, cz}
if bc, ok := rw.bioCache[pos]; ok {
return bc[bz*mcmap.ChunkSizeXZ+bx], true
}
if !rw.RegionLoaded() {
return mcmap.BioUncalculated, false
}
chunk, err := rw.region.Chunk(cx, cz)
switch err {
case nil:
case mcmap.NotAvailable:
return mcmap.BioUncalculated, false
default:
rw.guicbs.reportFail(fmt.Sprintf("Error while getting chunk %d, %d: %s", cx, cz, err))
return mcmap.BioUncalculated, false
}
bc := make([]mcmap.Biome, mcmap.ChunkRectXZ)
i := 0
for z := 0; z < mcmap.ChunkSizeXZ; z++ {
for x := 0; x < mcmap.ChunkSizeXZ; x++ {
bc[i] = chunk.Biome(x, z)
i++
}
}
rw.bioCache[pos] = bc
return chunk.Biome(bx, bz), true
}
func (rw *RegionWrapper) SetBiomeAt(x, z int, bio mcmap.Biome) {
cx, cz, bx, bz := mcmap.BlockToChunk(x, z)
pos := XZPos{cx, cz}
chunk, err := rw.region.Chunk(cx, cz)
switch err {
case nil:
case mcmap.NotAvailable:
return
default:
rw.guicbs.reportFail(fmt.Sprintf("Error while getting chunk %d, %d: %s", cx, cz, err))
return
}
chunk.SetBiome(bx, bz, bio)
var newcol *gdk.Color
if rw.fixSnowIce {
newcol = rw.fixWeather(bio, bx, bz, chunk)
}
chunk.MarkModified()
// Update cache
if bc, ok := rw.bioCache[pos]; ok {
bc[bz*mcmap.ChunkSizeXZ+bx] = bio
}
// Update tile
if biotile, ok := rw.Biotiles[pos]; ok {
gdk.ThreadsEnter()
drawable := biotile.GetDrawable()
gc := gdk.NewGC(drawable)
gc.SetRgbFgColor(rw.bioLookup.Color(bio))
drawable.DrawRectangle(gc, true, bx*zoom, bz*zoom, zoom, zoom)
if newcol != nil {
drawable = rw.Maptiles[pos].GetDrawable()
gc = gdk.NewGC(drawable)
gc.SetRgbFgColor(newcol)
drawable.DrawRectangle(gc, true, bx*zoom, bz*zoom, zoom, zoom)
}
gdk.ThreadsLeave()
}
}
func (f *fillTool) Do(bio mcmap.Biome, biogs BiomeGetSetter, x, z int) {
oldbio, ok := biogs.GetBiomeAt(x, z)
if (!ok) || (oldbio == bio) {
return
}
inChunkQueue := []XZPos{}
outOfChunkQueue := []XZPos{{x, z}}
for {
oocqL := len(outOfChunkQueue) - 1
if oocqL < 0 {
break
}
pos := outOfChunkQueue[oocqL]
inChunkQueue = []XZPos{pos}
outOfChunkQueue = outOfChunkQueue[:oocqL]
cx, cz, _, _ := mcmap.BlockToChunk(pos.X, pos.Z)
xStart := cx * mcmap.ChunkSizeXZ
zStart := cz * mcmap.ChunkSizeXZ
xEnd := xStart + mcmap.ChunkSizeXZ
zEnd := zStart + mcmap.ChunkSizeXZ
for {
icqL := len(inChunkQueue) - 1
if icqL < 0 {
break
}
pos := inChunkQueue[icqL]
inChunkQueue = inChunkQueue[:icqL]
px, pz := pos.X, pos.Z
if haveBio, ok := biogs.GetBiomeAt(px, pz); ok && (haveBio == oldbio) {
biogs.SetBiomeAt(px, pz, bio)
nx, nz := px+1, pz
if chkBounds(nx, nz, xStart, zStart, xEnd, zEnd) {
inChunkQueue = append(inChunkQueue, XZPos{nx, nz})
} else {
outOfChunkQueue = append(outOfChunkQueue, XZPos{nx, nz})
}
nx, nz = px-1, pz
if chkBounds(nx, nz, xStart, zStart, xEnd, zEnd) {
inChunkQueue = append(inChunkQueue, XZPos{nx, nz})
} else {
outOfChunkQueue = append(outOfChunkQueue, XZPos{nx, nz})
}
nx, nz = px, pz+1
if chkBounds(nx, nz, xStart, zStart, xEnd, zEnd) {
inChunkQueue = append(inChunkQueue, XZPos{nx, nz})
} else {
outOfChunkQueue = append(outOfChunkQueue, XZPos{nx, nz})
}
nx, nz = px, pz-1
if chkBounds(nx, nz, xStart, zStart, xEnd, zEnd) {
inChunkQueue = append(inChunkQueue, XZPos{nx, nz})
} else {
outOfChunkQueue = append(outOfChunkQueue, XZPos{nx, nz})
}
}
}
}
}