Added Railcraft support to the Mana Pool with Minecart.

src/api/java/mods/railcraft/api/core/items/IMinecartItem.java

@@ -0,0 +1,49 @@
+/*
+ * ******************************************************************************
+ *  Copyright 2011-2015 CovertJaguar
+ *
+ *  This work (the API) is licensed under the "MIT" License, see LICENSE.md for details.
+ * ***************************************************************************
+ */
+
+package mods.railcraft.api.core.items;
+
+import com.mojang.authlib.GameProfile;
+import net.minecraft.entity.item.EntityMinecart;
+import net.minecraft.item.ItemStack;
+import net.minecraft.world.World;
+
+/**
+ * This interface should be implemented by any cart item,
+ * but it is generally optional.
+ *
+ * @author CovertJaguar <http://www.railcraft.info>
+ */
+public interface IMinecartItem
+{
+
+    /**
+     * Controls whether this cart item can be placed by the Cart and Train Dispensers.
+     *
+     * Generally, you can ignore the placeCart() function if this returns false.
+     *
+     * @param cart
+     * @return true if it can be placed, false otherwise
+     */
+    public boolean canBePlacedByNonPlayer(ItemStack cart);
+
+    /**
+     * Places a cart at the specified location.
+     *
+     * Implementing this function is optional.
+     *
+     * @param owner the name of the player placing the cart or "[MyMod]" with the brackets
+     * @param cart An ItemStack that contains the cart
+     * @param world The World
+     * @param i x-Coord
+     * @param j y-Coord
+     * @param k z-Coord
+     * @return the cart placed or null if failed
+     */
+    public EntityMinecart placeCart(GameProfile owner, ItemStack cart, World world, int i, int j, int k);
+}

src/main/java/vazkii/botania/common/item/ItemPoolMinecart.java

@@ -10,6 +10,10 @@
  */
 package vazkii.botania.common.item;
 
+import com.mojang.authlib.GameProfile;
+
+import cpw.mods.fml.common.Optional;
+import mods.railcraft.api.core.items.IMinecartItem;
 import net.minecraft.block.BlockRailBase;
 import net.minecraft.entity.item.EntityMinecart;
 import net.minecraft.entity.player.EntityPlayer;
@@ -22,7 +26,8 @@ import vazkii.botania.common.achievement.ModAchievements;
 import vazkii.botania.common.entity.EntityPoolMinecart;
 import vazkii.botania.common.lib.LibItemNames;
 
-public class ItemPoolMinecart extends ItemMod implements ICraftAchievement {
+@Optional.Interface(modid = "Railcraft", iface = "mods.railcraft.api.core.items.IMinecartItem", striprefs = true)
+public class ItemPoolMinecart extends ItemMod implements ICraftAchievement, IMinecartItem {
 
 	public ItemPoolMinecart() {
 		setMaxStackSize(1);
@@ -53,4 +58,25 @@ public class ItemPoolMinecart extends ItemMod implements ICraftAchievement {
 		return ModAchievements.manaCartCraft;
 	}
 
+	@Override
+	public boolean canBePlacedByNonPlayer(ItemStack cart) {
+		return true;
+	}
+
+	@Override
+	public EntityMinecart placeCart(GameProfile owner, ItemStack cart, World world, int i, int j, int k) {
+		if(BlockRailBase.func_150051_a(world.getBlock(i, j, k))) {
+			if(!world.isRemote) {
+				EntityMinecart entityminecart = new EntityPoolMinecart(world, i + 0.5,j + 0.5, k + 0.5);
+
+				if(cart.hasDisplayName())
+					entityminecart.setMinecartName(cart.getDisplayName());
+
+				if(world.spawnEntityInWorld(entityminecart))
+					return entityminecart;
+			}
+		}
+		return null;
+	}
+
 }