From d891e3b76fac0d28996600cba3824e005b47d73c Mon Sep 17 00:00:00 2001
From: Adrian Siekierka <kontakt@asie.pl>
Date: Sat, 27 Nov 2021 10:43:41 +0100
Subject: [PATCH] Allow forbidding blocks from the default crop handler.

---
 common/buildcraft/BuildCraftCore.java              |  2 ++
 common/buildcraft/core/InterModComms.java          | 14 ++++++++++++++
 .../core/crops/CropHandlerPlantable.java           | 13 +++++++++++--
 3 files changed, 27 insertions(+), 2 deletions(-)

diff --git a/common/buildcraft/BuildCraftCore.java b/common/buildcraft/BuildCraftCore.java
index 3386042c..aa93c16b 100644
--- a/common/buildcraft/BuildCraftCore.java
+++ b/common/buildcraft/BuildCraftCore.java
@@ -517,6 +517,8 @@ public class BuildCraftCore extends BuildCraftMod {
 		CropManager.setDefaultHandler(new CropHandlerPlantable());
 		CropManager.registerHandler(new CropHandlerReeds());
 
+		CropHandlerPlantable.forbidBlock(Blocks.reeds);
+
 		BuildCraftAPI.registerWorldProperty("replaceable", new WorldPropertyIsReplaceable());
 		BuildCraftAPI.registerWorldProperty("soft", new WorldPropertyIsSoft());
 		BuildCraftAPI.registerWorldProperty("wood", new WorldPropertyIsWood());
diff --git a/common/buildcraft/core/InterModComms.java b/common/buildcraft/core/InterModComms.java
index 284ada06..08ca9248 100644
--- a/common/buildcraft/core/InterModComms.java
+++ b/common/buildcraft/core/InterModComms.java
@@ -13,6 +13,8 @@ import java.util.HashSet;
 import java.util.List;
 import java.util.Set;
 
+import buildcraft.core.crops.CropHandlerPlantable;
+import net.minecraft.block.Block;
 import net.minecraft.item.ItemStack;
 import net.minecraft.nbt.NBTTagCompound;
 import net.minecraft.nbt.NBTTagList;
@@ -48,6 +50,8 @@ public final class InterModComms {
 				processAssemblyRecipeRemoveIMC(event, m);
 			} else if (m.key.equals("remove-refinery-recipe")) {
 				processRefineryRecipeRemoveIMC(event, m);
+			} else if (m.key.equals("remove-plantable-block")) {
+				processPlantableBlockRemoveIMC(event, m);
 			} else {
 				for (IMCHandler h : handlers) {
 					h.processIMCEvent(event, m);
@@ -56,6 +60,16 @@ public final class InterModComms {
 		}
 	}
 
+	public static void processPlantableBlockRemoveIMC(IMCEvent event, IMCMessage msg) {
+		if (msg.isStringMessage()) {
+			Object blockObj = Block.blockRegistry.getObject(msg.getStringValue());
+			if (blockObj instanceof Block) {
+				CropHandlerPlantable.forbidBlock((Block) blockObj);
+			}
+			BCLog.logger.info(String.format("Received a plantable block '%s' removal request from mod %s", msg.getStringValue(), msg.getSender()));
+		}
+	}
+
 	public static void processAssemblyRecipeRemoveIMC(IMCEvent event, IMCMessage msg) {
 		if (msg.isStringMessage()) {
 			AssemblyRecipeManager.INSTANCE.removeRecipe(msg.getStringValue());
diff --git a/common/buildcraft/core/crops/CropHandlerPlantable.java b/common/buildcraft/core/crops/CropHandlerPlantable.java
index 3d632f69..710aba64 100644
--- a/common/buildcraft/core/crops/CropHandlerPlantable.java
+++ b/common/buildcraft/core/crops/CropHandlerPlantable.java
@@ -1,7 +1,10 @@
 package buildcraft.core.crops;
 
+import java.util.HashSet;
 import java.util.List;
+import java.util.Set;
 
+import com.google.common.collect.Sets;
 import net.minecraft.block.Block;
 import net.minecraft.block.BlockCrops;
 import net.minecraft.block.BlockDoublePlant;
@@ -25,6 +28,12 @@ import buildcraft.core.lib.utils.BlockUtils;
 
 public class CropHandlerPlantable implements ICropHandler {
 
+	private static final Set<Block> FORBIDDEN_BLOCKS = new HashSet<Block>();
+
+	public static void forbidBlock(Block b) {
+		FORBIDDEN_BLOCKS.add(b);
+	}
+
 	@Override
 	public boolean isSeed(ItemStack stack) {
 		if (stack.getItem() instanceof IPlantable) {
@@ -33,7 +42,7 @@ public class CropHandlerPlantable implements ICropHandler {
 
 		if (stack.getItem() instanceof ItemBlock) {
 			Block block = ((ItemBlock) stack.getItem()).field_150939_a;
-			if (block instanceof IPlantable && block != Blocks.reeds) {
+			if (block instanceof IPlantable && !FORBIDDEN_BLOCKS.contains(block)) {
 				return true;
 			}
 		}
@@ -63,7 +72,7 @@ public class CropHandlerPlantable implements ICropHandler {
 
 	@Override
 	public boolean isMature(IBlockAccess blockAccess, Block block, int meta, int x, int y, int z) {
-		if (block == null) {
+		if (block == null || FORBIDDEN_BLOCKS.contains(block)) {
 			return false;
 		} else if (block instanceof BlockTallGrass
 				|| block instanceof BlockMelon