80 lines
2.7 KiB
Go
80 lines
2.7 KiB
Go
package world
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import "regionio/internal/worldgen"
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func (r *decorationRegion) placeScheduledOres(seed int64) error {
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return r.placeScheduledOresWithOrder(seed, possibleBiomeOrder(), 0)
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}
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func (r *decorationRegion) placeScheduledOresAtOffset(seed int64, featureIndexOffset int) error {
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return r.placeScheduledOresWithOrder(seed, possibleBiomeOrder(), featureIndexOffset)
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}
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func (r *decorationRegion) placeScheduledOresWithOrder(seed int64, biomeOrder []string, featureIndexOffset int) error {
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set, err := worldgen.LoadFeatureSet()
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if err != nil {
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return err
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}
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if err := r.ensureSourceNeighborhood(); err != nil {
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return err
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}
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schedule, err := set.FeatureSchedule(biomeOrder, r.sourceBiomes(), undergroundOresStage)
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if err != nil {
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return err
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}
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random, decorationSeed := worldgen.DecorationRandom(seed, int(r.sourceX), int(r.sourceZ))
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origin := worldgen.FeaturePosition{X: int(r.sourceX) << 4, Y: MinY, Z: int(r.sourceZ) << 4}
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for _, scheduled := range schedule {
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placed := set.Placed[scheduled.Name]
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configured := set.Configured[placed.Feature]
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if configured.Type != "minecraft:ore" {
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continue
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}
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config, err := set.Ore(placed.Feature)
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if err != nil {
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return err
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}
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targets, ok := resolveOreTargets(set, config)
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if !ok {
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continue
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}
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random.SetFeatureSeed(decorationSeed, scheduled.Index+featureIndexOffset, undergroundOresStage)
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context := r.placementContext(func(position worldgen.FeaturePosition) bool {
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return r.biomeAllowsFeature(set, scheduled.Name, undergroundOresStage, position)
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})
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positions, err := set.PlacementPositions(scheduled.Name, random, origin, context)
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if err != nil {
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return err
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}
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for _, position := range positions {
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placeOreEllipsoidRegion(r, random, position.X, position.Y, position.Z, config.Size, config.DiscardAirExposure, targets)
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}
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}
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return nil
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}
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func placeOreEllipsoidRegion(region *decorationRegion, random worldgen.RandomSource, originX, originY, originZ, size int, discard float64, targets []resolvedOreTarget) {
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spheres := buildOreSpheres(random, originX, originY, originZ, size)
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walkOreBlocks(spheres, func(x, y, z int) {
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if y < MinY || y >= MinY+WorldHeight {
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return
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}
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current := region.getBlock(x, y, z)
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for _, target := range targets {
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if !target.replaceables[current] || discard > 0 && random.NextFloat() < float32(discard) && exposedToAirRegion(region, x, y, z) {
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continue
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}
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region.setBlock(x, y, z, target.state)
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break
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}
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})
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}
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func exposedToAirRegion(region *decorationRegion, x, y, z int) bool {
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for _, offset := range [][3]int{{1, 0, 0}, {-1, 0, 0}, {0, 1, 0}, {0, -1, 0}, {0, 0, 1}, {0, 0, -1}} {
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if region.getBlock(x+offset[0], y+offset[1], z+offset[2]) == StateAir {
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return true
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}
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}
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return false
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}
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