Chisel compat for textures that are block location dependent (#12)

dependencies.gradle

@@ -1,3 +1,4 @@
 dependencies {
     compileOnly('com.github.GTNewHorizons:Angelica:1.0.0-alpha52:api')
+    compileOnly('com.github.GTNewHorizons:Chisel:2.15.3-GTNH:dev')
 }

src/main/java/com/carpentersblocks/api/compat/Mods.java

@@ -0,0 +1,23 @@
+package com.carpentersblocks.api.compat;
+
+import cpw.mods.fml.common.Loader;
+
+public enum Mods {
+
+    CHISEL("chisel");
+
+    public final String ID;
+
+    private Boolean modLoaded;
+
+    Mods(String ID) {
+        this.ID = ID;
+    }
+
+    public boolean isModLoaded() {
+        if (this.modLoaded == null) {
+            this.modLoaded = Loader.isModLoaded(ID);
+        }
+        return this.modLoaded;
+    }
+}

src/main/java/com/carpentersblocks/renderer/BlockHandlerBase.java

@@ -1,5 +1,7 @@
 package com.carpentersblocks.renderer;
 
+import static com.carpentersblocks.api.compat.Mods.CHISEL;
+
 import net.minecraft.block.Block;
 import net.minecraft.block.BlockGrass;
 import net.minecraft.block.BlockRailBase;
@@ -31,6 +33,7 @@
 import com.carpentersblocks.util.handler.OverlayHandler.Overlay;
 import com.carpentersblocks.util.registry.FeatureRegistry;
 import com.carpentersblocks.util.registry.IconRegistry;
+import com.cricketcraft.chisel.api.ICarvable;
 import com.gtnewhorizons.angelica.api.ThreadSafeISBRHFactory;
 
 import cpw.mods.fml.client.registry.ISimpleBlockRenderingHandler;
@@ -538,6 +541,18 @@ protected IIcon getIcon(ItemStack itemStack, int side) {
         return icon;
     }
 
+    protected IIcon getIcon(ItemStack itemStack, int side, IBlockAccess world, int x, int y, int z) {
+        BlockProperties.prepareItemStackForRendering(itemStack);
+        IIcon icon = renderBlocks.getIconSafe(
+                getUniqueIcon(itemStack, side, BlockProperties.toBlock(itemStack).getIcon(world, x, y, z, side)));
+
+        if (hasIconOverride[side]) {
+            icon = renderBlocks.getIconSafe(iconOverride[side]);
+        }
+
+        return icon;
+    }
+
     /**
      * Renders multiple textures to side.
      */
@@ -564,7 +579,18 @@ protected void renderMultiTexturedSide(ItemStack itemStack, int x, int y, int z,
             if (BlockProperties.blockRotates(itemStack)) {
                 setTextureRotationForDirectionalBlock(side);
             }
-            setColorAndRender(itemStack, x, y, z, side, getIcon(itemStack, side));
+            if (CHISEL.isModLoaded() && Block.getBlockFromItem(itemStack.getItem()) instanceof ICarvable) {
+                setColorAndRender(
+                        itemStack,
+                        x,
+                        y,
+                        z,
+                        side,
+                        getIcon(itemStack, side, renderBlocks.blockAccess, x, y, z));
+            } else {
+                setColorAndRender(itemStack, x, y, z, side, getIcon(itemStack, side));
+            }
+
             setTextureRotation(side, tempRotation);
         }