remo/RegionIO
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Match vanilla ore sphere math

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This commit is contained in:
Daniar Mannanov 2026-08-17 01:14:24 +03:00
parent c68c5c2744
commit cb60050801
5 changed files with 110 additions and 114 deletions
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46
internal/world/region_ores.go
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@ -1,10 +1,6 @@
package world
import (
"math"
"regionio/internal/worldgen"
)
import "regionio/internal/worldgen"
func (r *decorationRegion) placeScheduledOres(seed int64) error {
set, err := worldgen.LoadFeatureSet()
@ -47,45 +43,7 @@ func (r *decorationRegion) placeScheduledOres(seed int64) error {
}
func placeOreEllipsoidRegion(region *decorationRegion, random worldgen.RandomSource, originX, originY, originZ, size int, discard float64, targets []resolvedOreTarget) {
angle := random.NextFloat() * float32(math.Pi)
extent := float32(size) / 8.0
x0 := float64(originX) + math.Sin(float64(angle))*float64(extent)
x1 := float64(originX) - math.Sin(float64(angle))*float64(extent)
z0 := float64(originZ) + math.Cos(float64(angle))*float64(extent)
z1 := float64(originZ) - math.Cos(float64(angle))*float64(extent)
y0 := float64(originY + int(random.NextIntN(3)) - 2)
y1 := float64(originY + int(random.NextIntN(3)) - 2)
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] = oreSphere{
x: x0 + (x1-x0)*float64(t), y: y0 + (y1-y0)*float64(t),
z: z0 + (z1-z0)*float64(t), radius: radius,
}
}
for i := range spheres {
if spheres[i].radius < 0 {
continue
}
for j := i + 1; j < len(spheres); j++ {
if spheres[j].radius < 0 {
continue
}
dx, dy, dz := spheres[i].x-spheres[j].x, spheres[i].y-spheres[j].y, spheres[i].z-spheres[j].z
dr := spheres[i].radius - spheres[j].radius
if dr*dr > dx*dx+dy*dy+dz*dz {
if dr > 0 {
spheres[j].radius = -1
} else {
spheres[i].radius = -1
break
}
}
}
}
spheres := buildOreSpheres(random, originX, originY, originZ, size)
walkOreBlocks(spheres, func(x, y, z int) {
if y < MinY || y >= MinY+WorldHeight {
return