Add dispensing minecarts with dispenser

src/main/java/net/p3pp3rf1y/sophisticatedstorageinmotion/SophisticatedStorageInMotion.java

@@ -5,6 +5,7 @@
 import net.neoforged.bus.api.IEventBus;
 import net.neoforged.fml.ModContainer;
 import net.neoforged.fml.common.Mod;
+import net.neoforged.fml.event.lifecycle.FMLCommonSetupEvent;
 import net.p3pp3rf1y.sophisticatedstorageinmotion.client.ClientEventHandler;
 import net.p3pp3rf1y.sophisticatedstorageinmotion.common.CommonEventHandler;
 import net.p3pp3rf1y.sophisticatedstorageinmotion.data.DataGenerators;
@@ -29,6 +30,7 @@ public SophisticatedStorageInMotion(IEventBus modBus, Dist dist, ModContainer co
 		}
 		modBus.addListener(ModPayloads::registerPayloads);
 		modBus.addListener(DataGenerators::gatherData);
+		modBus.addListener(SophisticatedStorageInMotion::setup);
 	}
 
 	public static ResourceLocation getRL(String regName) {
@@ -38,4 +40,8 @@ public static ResourceLocation getRL(String regName) {
 	public static String getRegistryName(String regName) {
 		return MOD_ID + ":" + regName;
 	}
+
+	private static void setup(FMLCommonSetupEvent event) {
+		event.enqueueWork(ModItems::registerDispenseBehavior);
+	}
 }

src/main/java/net/p3pp3rf1y/sophisticatedstorageinmotion/init/ModItems.java

@@ -8,6 +8,7 @@
 import net.minecraft.world.item.ItemStack;
 import net.minecraft.world.item.crafting.RecipeSerializer;
 import net.minecraft.world.item.crafting.SimpleCraftingRecipeSerializer;
+import net.minecraft.world.level.block.DispenserBlock;
 import net.neoforged.bus.api.IEventBus;
 import net.neoforged.neoforge.attachment.AttachmentType;
 import net.neoforged.neoforge.registries.DeferredRegister;
@@ -33,7 +34,7 @@ private ModItems() {
 
 	private static final DeferredRegister<RecipeSerializer<?>> RECIPE_SERIALIZERS = DeferredRegister.create(BuiltInRegistries.RECIPE_SERIALIZER, SophisticatedStorageInMotion.MOD_ID);
 	public static final Supplier<RecipeSerializer<?>> MOVING_STORAGE_FROM_STORAGE_SERIALIZER = RECIPE_SERIALIZERS.register("moving_storage_from_storage", MovingStorageFromStorageRecipe.Serializer::new);
-	public static final Supplier<RecipeSerializer<?>> UNCRAFT_MOVING_STORAGE_SERIALIZER = RECIPE_SERIALIZERS.register("uncraft_moving_storage",() -> new SimpleCraftingRecipeSerializer<>(UncraftMovingStorageRecipe::new));
+	public static final Supplier<RecipeSerializer<?>> UNCRAFT_MOVING_STORAGE_SERIALIZER = RECIPE_SERIALIZERS.register("uncraft_moving_storage", () -> new SimpleCraftingRecipeSerializer<>(UncraftMovingStorageRecipe::new));
 
 	public static Supplier<CreativeModeTab> CREATIVE_TAB = CREATIVE_MODE_TABS.register("main", () ->
 			CreativeModeTab.builder().icon(() -> new ItemStack(STORAGE_MINECART.get()))
@@ -49,4 +50,8 @@ public static void registerHandlers(IEventBus modBus) {
 		ATTACHMENT_TYPES.register(modBus);
 		RECIPE_SERIALIZERS.register(modBus);
 	}
+
+	public static void registerDispenseBehavior() {
+		DispenserBlock.registerBehavior(STORAGE_MINECART.get(), StorageMinecartItem.DISPENSE_ITEM_BEHAVIOR);
+	}
 }

src/main/java/net/p3pp3rf1y/sophisticatedstorageinmotion/item/StorageMinecartItem.java

@@ -1,21 +1,68 @@
 package net.p3pp3rf1y.sophisticatedstorageinmotion.item;
 
 import net.minecraft.core.BlockPos;
+import net.minecraft.core.Direction;
+import net.minecraft.core.dispenser.BlockSource;
+import net.minecraft.core.dispenser.DefaultDispenseItemBehavior;
+import net.minecraft.core.dispenser.DispenseItemBehavior;
 import net.minecraft.server.level.ServerLevel;
 import net.minecraft.tags.BlockTags;
 import net.minecraft.world.InteractionResult;
 import net.minecraft.world.entity.EntityType;
+import net.minecraft.world.entity.player.Player;
 import net.minecraft.world.item.ItemStack;
 import net.minecraft.world.item.Items;
 import net.minecraft.world.item.context.UseOnContext;
 import net.minecraft.world.level.Level;
 import net.minecraft.world.level.block.BaseRailBlock;
+import net.minecraft.world.level.block.DispenserBlock;
 import net.minecraft.world.level.block.state.BlockState;
 import net.minecraft.world.level.block.state.properties.RailShape;
 import net.minecraft.world.level.gameevent.GameEvent;
 import net.p3pp3rf1y.sophisticatedstorageinmotion.entity.StorageMinecart;
+import org.jetbrains.annotations.Nullable;
 
 public class StorageMinecartItem extends MovingStorageItem {
+	public static final DispenseItemBehavior DISPENSE_ITEM_BEHAVIOR = new DefaultDispenseItemBehavior() {
+		private final DefaultDispenseItemBehavior defaultDispenseItemBehavior = new DefaultDispenseItemBehavior();
+
+		public ItemStack execute(BlockSource blockSource, ItemStack stack) {
+			Direction direction = blockSource.state().getValue(DispenserBlock.FACING);
+			ServerLevel serverlevel = blockSource.level();
+			BlockPos blockpos = blockSource.pos().relative(direction);
+			BlockState blockstate = serverlevel.getBlockState(blockpos);
+			RailShape railshape = blockstate.getBlock() instanceof BaseRailBlock baseRailBlock ? baseRailBlock.getRailDirection(blockstate, serverlevel, blockpos, null) : RailShape.NORTH_SOUTH;
+			double slopeOffset;
+			if (blockstate.is(BlockTags.RAILS)) {
+				if (railshape.isAscending()) {
+					slopeOffset = 0.6;
+				} else {
+					slopeOffset = 0.1;
+				}
+			} else {
+				if (!blockstate.isAir() || !serverlevel.getBlockState(blockpos.below()).is(BlockTags.RAILS)) {
+					return this.defaultDispenseItemBehavior.dispense(blockSource, stack);
+				}
+
+				BlockState stateBelow = serverlevel.getBlockState(blockpos.below());
+				RailShape railShapeBelow = stateBelow.getBlock() instanceof BaseRailBlock baseRailBlock ? baseRailBlock.getRailDirection(stateBelow, serverlevel, blockpos.below(), null) : RailShape.NORTH_SOUTH;
+				if (direction != Direction.DOWN && railShapeBelow.isAscending()) {
+					slopeOffset = -0.4;
+				} else {
+					slopeOffset = -0.9;
+				}
+			}
+
+			serverlevel.addFreshEntity(createMinecart(serverlevel, blockpos, slopeOffset, stack, null));
+			stack.shrink(1);
+			return stack;
+		}
+
+		protected void playSound(BlockSource blockSource) {
+			blockSource.level().levelEvent(1000, blockSource.pos(), 0);
+		}
+	};
+
 	public StorageMinecartItem() {
 		super(new Properties().stacksTo(1));
 	}
@@ -36,19 +83,24 @@ public InteractionResult useOn(UseOnContext context) {
 					ascendingOffset = 0.5;
 				}
 
-				StorageMinecart minecart = new StorageMinecart(level, blockpos.getX() + 0.5, blockpos.getY() + 0.0625 + ascendingOffset, blockpos.getZ() + 0.5);
-				minecart.getStorageHolder().setStorageItemFrom(stack);
-				EntityType.createDefaultStackConfig(serverlevel, stack, context.getPlayer()).accept(minecart);
+				Player player = context.getPlayer();
 
-				serverlevel.addFreshEntity(minecart);
-				serverlevel.gameEvent(GameEvent.ENTITY_PLACE, blockpos, GameEvent.Context.of(context.getPlayer(), serverlevel.getBlockState(blockpos.below())));
+				serverlevel.addFreshEntity(createMinecart(serverlevel, blockpos, ascendingOffset, stack, player));
+				serverlevel.gameEvent(GameEvent.ENTITY_PLACE, blockpos, GameEvent.Context.of(player, serverlevel.getBlockState(blockpos.below())));
 			}
 
 			stack.shrink(1);
 			return InteractionResult.sidedSuccess(level.isClientSide);
 		}
 	}
 
+	private static StorageMinecart createMinecart(ServerLevel serverlevel, BlockPos blockpos, double ascendingOffset, ItemStack stack, @Nullable Player player) {
+		StorageMinecart minecart = new StorageMinecart(serverlevel, blockpos.getX() + 0.5, blockpos.getY() + 0.0625 + ascendingOffset, blockpos.getZ() + 0.5);
+		minecart.getStorageHolder().setStorageItemFrom(stack);
+		EntityType.createDefaultStackConfig(serverlevel, stack, player).accept(minecart);
+		return minecart;
+	}
+
 	@Override
 	public ItemStack getUncraftRemainingItem() {
 		return new ItemStack(Items.MINECART);