Improved texture gen system, mech icon generation

packer/src/io/anuke/mindustry/Generators.java

@@ -0,0 +1,61 @@
+package io.anuke.mindustry;
+
+import com.badlogic.gdx.graphics.g2d.TextureRegion;
+import io.anuke.mindustry.type.Mech;
+import io.anuke.mindustry.type.Upgrade;
+import io.anuke.mindustry.world.Block;
+
+public class Generators {
+
+    public static void generate(ImageContext context){
+
+        context.generate("block-icons", () -> {
+            for(Block block : Block.all()){
+                TextureRegion[] regions = block.getBlockIcon();
+
+                if(regions.length == 0){
+                    continue;
+                }
+
+                if(regions[0] == null){
+                    context.err("Error in block \"{0}\": null region!", block.name);
+                }
+
+                Image image = context.get(regions[0]);
+
+                for(TextureRegion region : regions){
+                    image.draw(region);
+                }
+
+                image.save("block-icon-" + block.name);
+            }
+        });
+
+        context.generate("mech-icons", () -> {
+            for(Upgrade upgrade : Upgrade.all()){
+                if(!(upgrade instanceof Mech)) continue;
+
+                Mech mech = (Mech)upgrade;
+
+                mech.load();
+                mech.weapon.load();
+
+                Image image = context.get(mech.region);
+
+                if(!mech.flying){
+                    image.draw(mech.baseRegion);
+                    image.draw(mech.legRegion);
+                    image.draw(mech.legRegion, true, false);
+                    image.draw(mech.region);
+                }
+
+                image.draw(mech.weapon.equipRegion, false, false);
+                image.draw(mech.weapon.equipRegion, true, false);
+
+
+                image.save("mech-icon-" + mech.name);
+            }
+        });
+    }
+
+}