diff --git a/build.gradle b/build.gradle
index 3e7e14b4..5dcc947c 100644
--- a/build.gradle
+++ b/build.gradle
@@ -25,7 +25,7 @@ repositories {
     mavenCentral()
 }
 
-String umcVersion = "1.2.0"
+String umcVersion = "1.2.1"
 if (!"release".equalsIgnoreCase(System.getProperty("target"))) {
     try {
         umcVersion += "-" + 'git rev-parse --verify --short=7 HEAD'.execute().text.trim()
diff --git a/src/main/java/cam72cam/mod/ModCore.java b/src/main/java/cam72cam/mod/ModCore.java
index f95514dc..28710df9 100644
--- a/src/main/java/cam72cam/mod/ModCore.java
+++ b/src/main/java/cam72cam/mod/ModCore.java
@@ -61,7 +61,7 @@
 public class ModCore {
     public static final String MODID = "universalmodcore";
     public static final String NAME = "UniversalModCore";
-    public static final String VERSION = "1.2.0";
+    public static final String VERSION = "1.2.1";
     public static ModCore instance;
     public static boolean hasResources;
     private static boolean isInReload;
diff --git a/src/main/java/cam72cam/mod/block/BlockType.java b/src/main/java/cam72cam/mod/block/BlockType.java
index 7ebed6a2..16f39e24 100644
--- a/src/main/java/cam72cam/mod/block/BlockType.java
+++ b/src/main/java/cam72cam/mod/block/BlockType.java
@@ -145,7 +145,11 @@ public int getWeakPower(World world, Vec3i vec3i, Facing from) {
      * BlockInternal is an internal class that should only be extended when you need to implement
      * an interface.
      */
-    protected class BlockInternal extends net.minecraft.block.Block {
+    protected class BlockInternal extends net.minecraft.block.Block implements IBlockTypeBlock {
+        public BlockType getType() {
+            return BlockType.this;
+        }
+
         public BlockInternal() {
             super(Block.Properties.create(BlockType.this.getMaterial().internal)
                     .sound(BlockType.this.getMaterial().soundType)
diff --git a/src/main/java/cam72cam/mod/block/IBlockTypeBlock.java b/src/main/java/cam72cam/mod/block/IBlockTypeBlock.java
new file mode 100644
index 00000000..f53fcaa1
--- /dev/null
+++ b/src/main/java/cam72cam/mod/block/IBlockTypeBlock.java
@@ -0,0 +1,5 @@
+package cam72cam.mod.block;
+
+public interface IBlockTypeBlock {
+    BlockType getType();
+}
diff --git a/src/main/java/cam72cam/mod/world/IBlockEntityCollision.java b/src/main/java/cam72cam/mod/world/IBlockEntityCollision.java
new file mode 100644
index 00000000..8536ab83
--- /dev/null
+++ b/src/main/java/cam72cam/mod/world/IBlockEntityCollision.java
@@ -0,0 +1,8 @@
+package cam72cam.mod.world;
+
+import cam72cam.mod.entity.Entity;
+import cam72cam.mod.math.Vec3i;
+
+public interface IBlockEntityCollision {
+    boolean canCollide(World world, Vec3i pos, Entity entity);
+}
diff --git a/src/main/java/cam72cam/mod/world/IConditionalCollision.java b/src/main/java/cam72cam/mod/world/IConditionalCollision.java
index 123bb37a..9876757b 100644
--- a/src/main/java/cam72cam/mod/world/IConditionalCollision.java
+++ b/src/main/java/cam72cam/mod/world/IConditionalCollision.java
@@ -1,7 +1,7 @@
 package cam72cam.mod.world;
 
 import net.minecraft.block.BlockState;
-import net.minecraft.util.DamageSource;
+import net.minecraft.entity.Entity;
 import net.minecraft.util.math.BlockPos;
 import net.minecraft.world.World;
 
@@ -21,6 +21,6 @@ public interface IConditionalCollision {
      * @param damageSource Damage source that would be used to collide with the block.
      * @return Whether or not to calculate actual collision.
      */
-    boolean canCollide(World world, BlockPos pos, BlockState state, DamageSource damageSource);
+    boolean canCollide(World world, BlockPos pos, BlockState state, Entity entity);
 
 }
diff --git a/src/main/java/cam72cam/mod/world/World.java b/src/main/java/cam72cam/mod/world/World.java
index 0c17ae34..d398d472 100644
--- a/src/main/java/cam72cam/mod/world/World.java
+++ b/src/main/java/cam72cam/mod/world/World.java
@@ -4,6 +4,7 @@
 import cam72cam.mod.ModCore;
 import cam72cam.mod.block.BlockEntity;
 import cam72cam.mod.block.BlockType;
+import cam72cam.mod.block.IBlockTypeBlock;
 import cam72cam.mod.block.tile.TileEntity;
 import cam72cam.mod.entity.Entity;
 import cam72cam.mod.entity.Living;
@@ -658,10 +659,20 @@ public void setBlock(Vec3i pos, BlockInfo info) {
     }
 
     /** Opt in collision overriding */
-    public boolean canEntityCollideWith(Vec3i bp, String damageType) {
-        Block block = internal.getBlockState(bp.internal()).getBlock();
-        return ! (block instanceof IConditionalCollision) ||
-                ((IConditionalCollision) block).canCollide(internal, bp.internal(), internal.getBlockState(bp.internal()), new DamageSource(damageType));
+    public boolean canEntityCollideWith(Vec3i bp, Entity entity) {
+        BlockState state = internal.getBlockState(bp.internal());
+        Block block = state.getBlock();
+
+        if (block instanceof IConditionalCollision && ((IConditionalCollision) block).canCollide(internal, bp.internal(), state, entity.internal))
+            return true;
+
+        if (block instanceof IBlockTypeBlock) {
+            BlockType type = ((IBlockTypeBlock) block).getType();
+            if (type instanceof IBlockEntityCollision) {
+                return ((IBlockEntityCollision) type).canCollide(this, bp, entity);
+            }
+        }
+        return false;
     }
 
     /** Spawn a particle */