81 lines
2.1 KiB
Go
81 lines
2.1 KiB
Go
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package block
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import (
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"math/rand/v2"
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"github.com/df-mc/dragonfly/server/block/cube"
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"github.com/df-mc/dragonfly/server/world"
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)
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// Oxidisable is a block that can naturally oxidise over time, such as copper.
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type Oxidisable interface {
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world.Block
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// CanOxidate returns whether the block can oxidate, i.e. if it's not waxed.
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CanOxidate() bool
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// OxidationLevel returns the currently level of oxidation of the block.
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OxidationLevel() OxidationType
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// WithOxidationLevel returns the oxidizable block with the oxidation level passed.
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WithOxidationLevel(OxidationType) Oxidisable
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}
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// attemptOxidation attempts to oxidise the block at the position passed. The details for this logic is
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// described on the Minecraft Wiki: https://minecraft.wiki/w/Oxidation.
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func attemptOxidation(pos cube.Pos, tx *world.Tx, r *rand.Rand, o Oxidisable) {
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level := o.OxidationLevel()
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if level == OxidisedOxidation() || !o.CanOxidate() {
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return
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} else if r.Float64() > 64.0/1125.0 {
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return
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}
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var all, higher int
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for x := -4; x <= 4; x++ {
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for y := -4; y <= 4; y++ {
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for z := -4; z <= 4; z++ {
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if x == 0 && y == 0 && z == 0 {
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continue
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}
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nPos := pos.Add(cube.Pos{x, y, z})
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dist := abs(nPos.X()-pos.X()) + abs(nPos.Y()-pos.Y()) + abs(nPos.Z()-pos.Z())
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if dist > 4 {
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continue
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}
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b, ok := tx.Block(nPos).(Oxidisable)
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if !ok || !b.CanOxidate() {
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continue
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} else if b.OxidationLevel().Uint8() < level.Uint8() {
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return
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}
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all++
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if b.OxidationLevel().Uint8() > level.Uint8() {
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higher++
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}
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}
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}
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}
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chance := float64(higher+1) / float64(all+1)
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if level == UnoxidisedOxidation() {
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chance *= chance * 0.75
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} else {
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chance *= chance
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}
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if r.Float64() < chance {
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level, _ = level.Increase()
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tx.SetBlock(pos, o.WithOxidationLevel(level), nil)
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}
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}
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// copperBlockName returns the name of a copper block with the given oxidation and waxed status.
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func copperBlockName(blockName string, oxidation OxidationType, waxed bool) string {
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name := blockName
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if oxidation != UnoxidisedOxidation() {
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name = oxidation.String() + "_" + name
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}
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if waxed {
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name = "waxed_" + name
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}
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return "minecraft:" + name
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}
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