remo/RegionIO
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Match vanilla ore block traversal

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This commit is contained in:
Daniar Mannanov 2026-08-17 00:45:32 +03:00
parent 400e76382a
commit c68c5c2744
4 changed files with 103 additions and 85 deletions
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50
internal/world/region_ores.go
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@ -56,13 +56,12 @@ func placeOreEllipsoidRegion(region *decorationRegion, random worldgen.RandomSou
y0 := float64(originY + int(random.NextIntN(3)) - 2)
y1 := float64(originY + int(random.NextIntN(3)) - 2)
type sphere struct{ x, y, z, radius float64 }
spheres := make([]sphere, size)
spheres := make([]oreSphere, size)
for i := 0; i < size; i++ {
t := float32(i) / float32(size)
randomScale := random.NextDouble() * float64(size) / 16.0
radius := ((float64(worldgen.MthSin(float64(float32(math.Pi)*t)))+1.0)*randomScale + 1.0) / 2.0
spheres[i] = sphere{
spheres[i] = oreSphere{
x: x0 + (x1-x0)*float64(t), y: y0 + (y1-y0)*float64(t),
z: z0 + (z1-z0)*float64(t), radius: radius,
}
@ -87,46 +86,19 @@ func placeOreEllipsoidRegion(region *decorationRegion, random worldgen.RandomSou
}
}
}
visited := make(map[[3]int]bool)
for _, sphere := range spheres {
if sphere.radius < 0 {
continue
walkOreBlocks(spheres, func(x, y, z int) {
if y < MinY || y >= MinY+WorldHeight {
return
}
minX, maxX := int(math.Floor(sphere.x-sphere.radius)), int(math.Floor(sphere.x+sphere.radius))
minY, maxY := int(math.Floor(sphere.y-sphere.radius)), int(math.Floor(sphere.y+sphere.radius))
minZ, maxZ := int(math.Floor(sphere.z-sphere.radius)), int(math.Floor(sphere.z+sphere.radius))
for x := minX; x <= maxX; x++ {
dx := (float64(x) + 0.5 - sphere.x) / sphere.radius
if dx*dx >= 1 {
current := region.getBlock(x, y, z)
for _, target := range targets {
if !target.replaceables[current] || discard > 0 && random.NextFloat() < float32(discard) && exposedToAirRegion(region, x, y, z) {
continue
}
for y := minY; y <= maxY; y++ {
if y < MinY || y >= MinY+WorldHeight {
continue
}
dy := (float64(y) + 0.5 - sphere.y) / sphere.radius
if dx*dx+dy*dy >= 1 {
continue
}
for z := minZ; z <= maxZ; z++ {
dz := (float64(z) + 0.5 - sphere.z) / sphere.radius
pos := [3]int{x, y, z}
if dx*dx+dy*dy+dz*dz >= 1 || visited[pos] {
continue
}
visited[pos] = true
current := region.getBlock(x, y, z)
for _, target := range targets {
if !target.replaceables[current] || discard > 0 && random.NextFloat() < float32(discard) && exposedToAirRegion(region, x, y, z) {
continue
}
region.setBlock(x, y, z, target.state)
break
}
}
}
region.setBlock(x, y, z, target.state)
break
}
}
})
}
func exposedToAirRegion(region *decorationRegion, x, y, z int) bool {