работающие капсулы

DBot — 06.05.2023 15:04
Не поспорю
что увы
пока что
вся проблема знаешь в чём?
что взаимодействие ведра с блоками
не в предмете ведра
а в самих блоках.
за исключением waterlogging, оно в самом ведре

src/main/kotlin/ru/dbotthepony/mc/otm/item/FluidCapsuleItem.kt

@@ -8,23 +8,29 @@ import net.minecraft.server.level.ServerLevel
 import net.minecraft.sounds.SoundEvent
 import net.minecraft.sounds.SoundEvents
 import net.minecraft.sounds.SoundSource
+import net.minecraft.world.InteractionHand
 import net.minecraft.world.InteractionResult
+import net.minecraft.world.InteractionResultHolder
 import net.minecraft.world.entity.player.Player
 import net.minecraft.world.item.Item
 import net.minecraft.world.item.ItemStack
 import net.minecraft.world.item.TooltipFlag
 import net.minecraft.world.item.context.UseOnContext
+import net.minecraft.world.level.ClipContext
 import net.minecraft.world.level.Level
 import net.minecraft.world.level.block.Block
 import net.minecraft.world.level.block.Blocks
 import net.minecraft.world.level.block.LayeredCauldronBlock
+import net.minecraft.world.level.block.LiquidBlockContainer
 import net.minecraft.world.level.block.state.BlockState
 import net.minecraft.world.level.material.Fluid
 import net.minecraft.world.level.material.Fluids
+import net.minecraft.world.phys.HitResult
 import net.minecraftforge.common.SoundActions
 import net.minecraftforge.common.capabilities.ForgeCapabilities
 import net.minecraftforge.common.capabilities.ICapabilityProvider
 import net.minecraftforge.fluids.FluidStack
+import net.minecraftforge.fluids.FluidUtil
 import net.minecraftforge.fluids.capability.IFluidHandler
 import ru.dbotthepony.mc.otm.capability.fluid.ItemMatteryFluidHandler
 import ru.dbotthepony.mc.otm.capability.fluidLevel
@@ -35,6 +41,7 @@ import ru.dbotthepony.mc.otm.core.TranslatableComponent
 import ru.dbotthepony.mc.otm.core.ifPresentK
 import ru.dbotthepony.mc.otm.core.immutableList
 import ru.dbotthepony.mc.otm.core.immutableMap
+import ru.dbotthepony.mc.otm.core.isNotEmpty
 import ru.dbotthepony.mc.otm.core.orNull
 import java.util.function.IntSupplier
 
@@ -76,6 +83,51 @@ class FluidCapsuleItem(val capacity: IntSupplier) : Item(Properties().stacksTo(6
 		return ItemMatteryFluidHandler(stack, capacity)
 	}
 
+	override fun use(level: Level, player: Player, hand: InteractionHand): InteractionResultHolder<ItemStack> {
+		val item = player.getItemInHand(hand)
+		var targetItem = item.copyWithCount(1)
+		val cap = targetItem.getCapability(ForgeCapabilities.FLUID_HANDLER_ITEM).orNull() ?: return InteractionResultHolder.fail(item)
+		val fluid = cap.getFluidInTank(0)
+		if (fluid.isNotEmpty && fluid.amount != 1000) return InteractionResultHolder.pass(item)
+
+		val hitResult = getPlayerPOVHitResult(level, player, if (fluid.isEmpty) ClipContext.Fluid.SOURCE_ONLY else ClipContext.Fluid.NONE)
+		if (hitResult.type != HitResult.Type.BLOCK) return InteractionResultHolder.pass(item)
+
+		val hitPos = hitResult.blockPos
+		val hitDir = hitResult.direction
+		val nextPos = hitPos.relative(hitDir)
+
+		if (level.mayInteract(player, hitPos) && player.mayUseItemAt(nextPos, hitDir, item)) {
+			targetItem = if (fluid.isEmpty) {
+				val actionResult = FluidUtil.tryPickUpFluid(item, player, level, hitPos, hitDir)
+				if (!actionResult.isSuccess) return InteractionResultHolder.pass(item)
+
+				actionResult.result
+			} else {
+				val state = level.getBlockState(hitPos)
+				val placePos = if (state.block is LiquidBlockContainer && (state.block as LiquidBlockContainer).canPlaceLiquid(level, hitPos, state, fluid.fluid)) hitPos else nextPos
+
+				val actionResult = FluidUtil.tryPlaceFluid(player, level, hand, placePos, targetItem, fluid)
+				if (!actionResult.isSuccess) return InteractionResultHolder.pass(item)
+
+				actionResult.result
+			}
+
+			if (!player.abilities.instabuild && !player.level().isClientSide) {
+				item.shrink(1)
+
+				if (item.isEmpty) return InteractionResultHolder.sidedSuccess(targetItem, player.level().isClientSide)
+				if (!player.inventory.add(targetItem)) {
+					player.spawnAtLocation(targetItem)
+				}
+			}
+
+			return InteractionResultHolder.sidedSuccess(item, player.level().isClientSide)
+		}
+
+		return InteractionResultHolder.pass(item)
+	}
+
 	interface Interaction {
 		fun canInteract(item: ItemStack, player: Player, context: Context): Boolean
 		fun interact(item: ItemStack, player: Player, context: Context): InteractionResult