up3

server/block/coral.go

@@ -0,0 +1,114 @@
+package block
+
+import (
+	"github.com/df-mc/dragonfly/server/block/cube"
+	"github.com/df-mc/dragonfly/server/item"
+	"github.com/df-mc/dragonfly/server/world"
+	"github.com/go-gl/mathgl/mgl64"
+	"math/rand/v2"
+	"time"
+)
+
+// Coral is a non-solid block that comes in 5 variants.
+type Coral struct {
+	empty
+	transparent
+	bassDrum
+	sourceWaterDisplacer
+
+	// Type is the type of coral of the block.
+	Type CoralType
+	// Dead is whether the coral is dead.
+	Dead bool
+}
+
+// UseOnBlock ...
+func (c Coral) UseOnBlock(pos cube.Pos, face cube.Face, _ mgl64.Vec3, tx *world.Tx, user item.User, ctx *item.UseContext) bool {
+	pos, _, used := firstReplaceable(tx, pos, face, c)
+	if !used {
+		return false
+	}
+	if !tx.Block(pos.Side(cube.FaceDown)).Model().FaceSolid(pos.Side(cube.FaceDown), cube.FaceUp, tx) {
+		return false
+	}
+	if liquid, ok := tx.Liquid(pos); ok {
+		if water, ok := liquid.(Water); ok {
+			if water.Depth != 8 {
+				return false
+			}
+		}
+	}
+
+	place(tx, pos, c, user, ctx)
+	return placed(ctx)
+}
+
+// HasLiquidDrops ...
+func (c Coral) HasLiquidDrops() bool {
+	return false
+}
+
+// SideClosed ...
+func (c Coral) SideClosed(cube.Pos, cube.Pos, *world.Tx) bool {
+	return false
+}
+
+// NeighbourUpdateTick ...
+func (c Coral) NeighbourUpdateTick(pos, _ cube.Pos, tx *world.Tx) {
+	if !tx.Block(pos.Side(cube.FaceDown)).Model().FaceSolid(pos.Side(cube.FaceDown), cube.FaceUp, tx) {
+		breakBlock(c, pos, tx)
+		return
+	} else if c.Dead {
+		return
+	}
+	tx.ScheduleBlockUpdate(pos, c, time.Second*5/2)
+}
+
+// ScheduledTick ...
+func (c Coral) ScheduledTick(pos cube.Pos, tx *world.Tx, _ *rand.Rand) {
+	adjacentWater := false
+	pos.Neighbours(func(neighbour cube.Pos) {
+		if liquid, ok := tx.Liquid(neighbour); ok {
+			if _, ok := liquid.(Water); ok {
+				adjacentWater = true
+			}
+		}
+	}, tx.Range())
+	if !adjacentWater {
+		c.Dead = true
+		tx.SetBlock(pos, c, nil)
+	}
+}
+
+// BreakInfo ...
+func (c Coral) BreakInfo() BreakInfo {
+	return newBreakInfo(0, alwaysHarvestable, nothingEffective, silkTouchOnlyDrop(c))
+}
+
+// EncodeBlock ...
+func (c Coral) EncodeBlock() (name string, properties map[string]any) {
+	if c.Dead {
+		return "minecraft:dead_" + c.Type.String() + "_coral", nil
+	}
+	return "minecraft:" + c.Type.String() + "_coral", nil
+}
+
+// EncodeItem ...
+func (c Coral) EncodeItem() (name string, meta int16) {
+	if c.Dead {
+		return "minecraft:dead_" + c.Type.String() + "_coral", 0
+	}
+	return "minecraft:" + c.Type.String() + "_coral", 0
+}
+
+// allCoral returns a list of all coral block variants
+func allCoral() (c []world.Block) {
+	f := func(dead bool) {
+		for _, t := range CoralTypes() {
+			c = append(c, Coral{Type: t, Dead: dead})
+		}
+	}
+	f(true)
+	f(false)
+	return
+}