--- ../src_base/common/net/minecraft/src/BlockTripWireSource.java
+++ ../src_work/common/net/minecraft/src/BlockTripWireSource.java
@@ -1,6 +1,9 @@
 package net.minecraft.src;
 
 import java.util.Random;
+
+import net.minecraftforge.common.ForgeDirection;
+import static net.minecraftforge.common.ForgeDirection.*;
 
 public class BlockTripWireSource extends Block
 {
@@ -58,7 +61,11 @@
      */
     public boolean canPlaceBlockOnSide(World par1World, int par2, int par3, int par4, int par5)
     {
-        return par5 == 2 && par1World.isBlockNormalCube(par2, par3, par4 + 1) ? true : (par5 == 3 && par1World.isBlockNormalCube(par2, par3, par4 - 1) ? true : (par5 == 4 && par1World.isBlockNormalCube(par2 + 1, par3, par4) ? true : par5 == 5 && par1World.isBlockNormalCube(par2 - 1, par3, par4)));
+        ForgeDirection dir = ForgeDirection.getOrientation(par5);
+        return (dir == NORTH && par1World.isBlockSolidOnSide(par2, par3, par4 + 1, NORTH)) ||
+               (dir == SOUTH && par1World.isBlockSolidOnSide(par2, par3, par4 - 1, SOUTH)) ||
+               (dir == WEST  && par1World.isBlockSolidOnSide(par2 + 1, par3, par4, WEST )) ||
+               (dir == EAST  && par1World.isBlockSolidOnSide(par2 - 1, par3, par4, EAST ));
     }
 
     /**
@@ -66,7 +73,10 @@
      */
     public boolean canPlaceBlockAt(World par1World, int par2, int par3, int par4)
     {
-        return par1World.isBlockNormalCube(par2 - 1, par3, par4) ? true : (par1World.isBlockNormalCube(par2 + 1, par3, par4) ? true : (par1World.isBlockNormalCube(par2, par3, par4 - 1) ? true : par1World.isBlockNormalCube(par2, par3, par4 + 1)));
+        return par1World.isBlockSolidOnSide(par2 - 1, par3, par4, SOUTH) ||
+               par1World.isBlockSolidOnSide(par2 + 1, par3, par4, NORTH) ||
+               par1World.isBlockSolidOnSide(par2, par3, par4 - 1, EAST ) ||
+               par1World.isBlockSolidOnSide(par2, par3, par4 + 1, WEST );
     }
 
     /**
@@ -76,22 +86,22 @@
     {
         byte var9 = 0;
 
-        if (par5 == 2 && par1World.isBlockNormalCubeDefault(par2, par3, par4 + 1, true))
+        if (par5 == 2 && par1World.isBlockSolidOnSide(par2, par3, par4 + 1, WEST, true))
         {
             var9 = 2;
         }
 
-        if (par5 == 3 && par1World.isBlockNormalCubeDefault(par2, par3, par4 - 1, true))
+        if (par5 == 3 && par1World.isBlockSolidOnSide(par2, par3, par4 - 1, EAST, true))
         {
             var9 = 0;
         }
 
-        if (par5 == 4 && par1World.isBlockNormalCubeDefault(par2 + 1, par3, par4, true))
+        if (par5 == 4 && par1World.isBlockSolidOnSide(par2 + 1, par3, par4, NORTH, true))
         {
             var9 = 1;
         }
 
-        if (par5 == 5 && par1World.isBlockNormalCubeDefault(par2 - 1, par3, par4, true))
+        if (par5 == 5 && par1World.isBlockSolidOnSide(par2 - 1, par3, par4, SOUTH, true))
         {
             var9 = 3;
         }
@@ -113,22 +123,22 @@
                 int var7 = var6 & 3;
                 boolean var8 = false;
 
-                if (!par1World.isBlockNormalCube(par2 - 1, par3, par4) && var7 == 3)
+                if (!par1World.isBlockSolidOnSide(par2 - 1, par3, par4, SOUTH) && var7 == 3)
                 {
                     var8 = true;
                 }
 
-                if (!par1World.isBlockNormalCube(par2 + 1, par3, par4) && var7 == 1)
+                if (!par1World.isBlockSolidOnSide(par2 + 1, par3, par4, NORTH) && var7 == 1)
                 {
                     var8 = true;
                 }
 
-                if (!par1World.isBlockNormalCube(par2, par3, par4 - 1) && var7 == 0)
+                if (!par1World.isBlockSolidOnSide(par2, par3, par4 - 1, EAST) && var7 == 0)
                 {
                     var8 = true;
                 }
 
-                if (!par1World.isBlockNormalCube(par2, par3, par4 + 1) && var7 == 2)
+                if (!par1World.isBlockSolidOnSide(par2, par3, par4 + 1, WEST) && var7 == 2)
                 {
                     var8 = true;
                 }
@@ -149,7 +159,7 @@
         boolean var12 = (par6 & 8) == 8;
         boolean var13 = par5 == Block.tripWireSource.blockID;
         boolean var14 = false;
-        boolean var15 = !par1World.doesBlockHaveSolidTopSurface(par2, par3 - 1, par4);
+        boolean var15 = !par1World.isBlockSolidOnSide(par2, par3 - 1, par4, UP);
         int var16 = Direction.offsetX[var10];
         int var17 = Direction.offsetZ[var10];
         int var18 = 0;