TarnaWijaya
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122 lines
3.3 KiB
Go
122 lines
3.3 KiB
Go
package block
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import (
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"github.com/df-mc/dragonfly/server/block/cube"
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"github.com/df-mc/dragonfly/server/block/model"
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"github.com/df-mc/dragonfly/server/item"
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"github.com/df-mc/dragonfly/server/world"
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"github.com/go-gl/mathgl/mgl64"
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"math/rand/v2"
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)
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// Cactus is a plant block that generates naturally in dry areas and causes damage.
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type Cactus struct {
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transparent
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// Age is the growth state of cactus. Values range from 0 to 15.
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Age int
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}
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// UseOnBlock handles making sure the neighbouring blocks are air.
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func (c Cactus) UseOnBlock(pos cube.Pos, face cube.Face, _ mgl64.Vec3, tx *world.Tx, user item.User, ctx *item.UseContext) (used bool) {
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pos, _, used = firstReplaceable(tx, pos, face, c)
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if !used || !c.canGrowHere(pos, tx, true) {
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return false
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}
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place(tx, pos, c, user, ctx)
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return placed(ctx)
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}
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// NeighbourUpdateTick ...
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func (c Cactus) NeighbourUpdateTick(pos, _ cube.Pos, tx *world.Tx) {
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if !c.canGrowHere(pos, tx, true) {
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breakBlock(c, pos, tx)
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}
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}
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// RandomTick ...
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func (c Cactus) RandomTick(pos cube.Pos, tx *world.Tx, _ *rand.Rand) {
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if c.Age < 15 {
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c.Age++
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} else if c.Age == 15 {
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c.Age = 0
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if c.canGrowHere(pos.Side(cube.FaceDown), tx, false) {
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for y := 1; y < 3; y++ {
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if _, ok := tx.Block(pos.Add(cube.Pos{0, y})).(Air); ok {
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tx.SetBlock(pos.Add(cube.Pos{0, y}), Cactus{Age: 0}, nil)
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break
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} else if _, ok := tx.Block(pos.Add(cube.Pos{0, y})).(Cactus); !ok {
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break
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}
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}
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}
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}
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tx.SetBlock(pos, c, nil)
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}
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// canGrowHere implements logic to check if cactus can live/grow here.
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func (c Cactus) canGrowHere(pos cube.Pos, tx *world.Tx, recursive bool) bool {
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for _, face := range cube.HorizontalFaces() {
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if _, ok := tx.Block(pos.Side(face)).(Air); !ok {
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return false
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}
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}
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if _, ok := tx.Block(pos.Side(cube.FaceDown)).(Cactus); ok && recursive {
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return c.canGrowHere(pos.Side(cube.FaceDown), tx, recursive)
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}
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return supportsVegetation(c, tx.Block(pos.Sub(cube.Pos{0, 1})))
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}
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// EntityInside ...
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func (c Cactus) EntityInside(_ cube.Pos, _ *world.Tx, e world.Entity) {
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if l, ok := e.(livingEntity); ok {
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l.Hurt(0.5, DamageSource{Block: c})
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}
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}
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// BreakInfo ...
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func (c Cactus) BreakInfo() BreakInfo {
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return newBreakInfo(0.4, alwaysHarvestable, nothingEffective, oneOf(c))
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}
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// CompostChance ...
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func (Cactus) CompostChance() float64 {
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return 0.5
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}
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// EncodeItem ...
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func (c Cactus) EncodeItem() (name string, meta int16) {
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return "minecraft:cactus", 0
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}
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// EncodeBlock ...
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func (c Cactus) EncodeBlock() (name string, properties map[string]any) {
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return "minecraft:cactus", map[string]any{"age": int32(c.Age)}
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}
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// Model ...
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func (c Cactus) Model() world.BlockModel {
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return model.Cactus{}
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}
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// allCactus returns all possible states of a cactus block.
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func allCactus() (b []world.Block) {
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for i := 0; i < 16; i++ {
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b = append(b, Cactus{Age: i})
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}
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return
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}
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// DamageSource is passed as world.DamageSource for damage caused by a block,
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// such as a cactus or a falling anvil.
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type DamageSource struct {
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// Block is the block that caused the damage.
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Block world.Block
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}
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func (DamageSource) ReducedByResistance() bool { return true }
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func (DamageSource) ReducedByArmour() bool { return true }
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func (DamageSource) Fire() bool { return false }
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func (DamageSource) IgnoreTotem() bool { return false }
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