Merge pull request 'Fix Region_15.changeColor' (#241) from FixTestblock into master

Reviewed-on: #241
Reviewed-by: Lixfel <lixfel@steamwar.de>

BauSystem_15/src/de/steamwar/bausystem/world/regions/Region_15.java

@@ -30,6 +30,7 @@ import com.sk89q.worldedit.function.operation.Operations;
 import com.sk89q.worldedit.math.BlockVector3;
 import com.sk89q.worldedit.math.transform.AffineTransform;
 import com.sk89q.worldedit.session.ClipboardHolder;
+import com.sk89q.worldedit.world.block.BaseBlock;
 import com.sk89q.worldedit.world.block.BlockType;
 import com.sk89q.worldedit.world.block.BlockTypes;
 import java.io.File;
@@ -84,17 +85,18 @@ class Region_15 {
             for (int y = 0; y < clipboard.getDimensions().getY(); y++) {
                 for (int z = 0; z < clipboard.getDimensions().getZ(); z++) {
                     BlockVector3 blockPointer = clipboard.getMinimumPoint().add(x, y, z);
-                    clipboard.setBlock(blockPointer, mapColor(clipboard.getFullBlock(blockPointer).getBlockType(), color).getDefaultState().toBaseBlock());
+                    BaseBlock baseBlock = clipboard.getFullBlock(blockPointer);
+                    BlockType blockType = baseBlock.getBlockType();
+                    if (blockType != BlockTypes.YELLOW_CONCRETE && blockType != BlockTypes.YELLOW_STAINED_GLASS) {
+                        continue;
+                    }
+                    clipboard.setBlock(blockPointer, mapColor(blockType, color).getDefaultState().toBaseBlock());
                 }
             }
         }
     }
 
     private static BlockType mapColor(BlockType original, Color color) {
-        if (original != BlockTypes.YELLOW_CONCRETE && original != BlockTypes.YELLOW_STAINED_GLASS) {
-            return original;
-        }
-
         switch (color) {
             case WHITE:
                 if (original == BlockTypes.YELLOW_CONCRETE) {