added MinecartBlocks

craftattack/src/main/java/eu/mhsl/craftattack/spawn/craftattack/appliances/gameplay/minecartBlocks/MinecartBlockChangeListener.java

@@ -0,0 +1,60 @@
+package eu.mhsl.craftattack.spawn.craftattack.appliances.gameplay.minecartBlocks;
+
+import eu.mhsl.craftattack.spawn.core.appliance.ApplianceListener;
+import org.bukkit.Location;
+import org.bukkit.Material;
+import org.bukkit.entity.Minecart;
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.player.PlayerInteractEntityEvent;
+import org.bukkit.event.vehicle.VehicleDestroyEvent;
+import org.bukkit.event.vehicle.VehicleEnterEvent;
+import org.bukkit.inventory.ItemStack;
+import org.bukkit.inventory.PlayerInventory;
+
+class MinecartBlockChangeListener extends ApplianceListener<MinecartBlocks> {
+    @EventHandler
+    public void onInteract(PlayerInteractEntityEvent event) {
+        if(!event.getPlayer().isSneaking()) return;
+        if(!(event.getRightClicked() instanceof Minecart minecart)) return;
+        if(!this.isBasicMinecart(minecart)) return;
+        if(this.minecartContainsBlock(minecart)) return;
+
+        PlayerInventory playerInv = event.getPlayer().getInventory();
+        Material heldBlock = playerInv.getItemInMainHand().getType();
+
+        if(!heldBlock.isBlock() || !heldBlock.isSolid()) return;
+        if(!this.getAppliance().isAllowedMaterial(heldBlock)) return;
+
+        minecart.setDisplayBlockData(heldBlock.createBlockData());
+        playerInv.removeItem(ItemStack.of(heldBlock));
+    }
+
+    @EventHandler
+    public void onDestroy(VehicleDestroyEvent event) {
+        if(!(event.getVehicle() instanceof Minecart minecart)) return;
+        if(!this.isBasicMinecart(minecart)) return;
+
+        Material containingMaterial = minecart.getDisplayBlockData().getMaterial();
+        if(containingMaterial.equals(Material.AIR)) return;
+
+        Location vehicleLocation = event.getVehicle().getLocation();
+        vehicleLocation.getWorld().dropItem(vehicleLocation, ItemStack.of(containingMaterial));
+        minecart.setDisplayBlockData(null);
+    }
+
+    @EventHandler
+    public void onEnter(VehicleEnterEvent event) {
+        if(!(event.getVehicle() instanceof Minecart minecart)) return;
+        if(!this.minecartContainsBlock(minecart)) return;
+        event.setCancelled(true);
+    }
+
+    @SuppressWarnings("BooleanMethodIsAlwaysInverted")
+    private boolean isBasicMinecart(Minecart minecart) {
+        return minecart.getMinecartMaterial().equals(Material.MINECART);
+    }
+
+    private boolean minecartContainsBlock(Minecart minecart) {
+        return !minecart.getDisplayBlockData().getMaterial().equals(Material.AIR);
+    }
+}

craftattack/src/main/java/eu/mhsl/craftattack/spawn/craftattack/appliances/gameplay/minecartBlocks/MinecartBlocks.java

@@ -0,0 +1,40 @@
+package eu.mhsl.craftattack.spawn.craftattack.appliances.gameplay.minecartBlocks;
+
+import eu.mhsl.craftattack.spawn.core.appliance.Appliance;
+import org.bukkit.Material;
+import org.bukkit.block.data.Bisected;
+import org.bukkit.block.data.BlockData;
+import org.bukkit.block.data.Directional;
+import org.bukkit.block.data.Waterlogged;
+import org.bukkit.event.Listener;
+import org.jetbrains.annotations.NotNull;
+
+import java.util.List;
+
+public class MinecartBlocks extends Appliance {
+    private final List<Material> blackListedMaterials = List.of(
+        Material.COMMAND_BLOCK,
+        Material.FURNACE,
+        Material.HOPPER,
+        Material.TNT,
+        Material.CHEST,
+        Material.TRAPPED_CHEST
+    );
+
+    public boolean isAllowedMaterial(Material material) {
+        if(this.blackListedMaterials.contains(material)) return false;
+        BlockData blockData = material.createBlockData();
+        return !(
+            (blockData instanceof Directional)
+            || (blockData instanceof Bisected)
+            || (blockData instanceof Waterlogged)
+        );
+    }
+
+    @Override
+    protected @NotNull List<Listener> listeners() {
+        return List.of(
+            new MinecartBlockChangeListener()
+        );
+    }
+}