1 files changed, 64 insertions, 0 deletions
diff --git a/src/main/java/de/cowtipper/cowlection/util/ImageUtils.java b/src/main/java/de/cowtipper/cowlection/util/ImageUtils.java
new file mode 100644
index 0000000..6280e65
--- /dev/null
+++ b/src/main/java/de/cowtipper/cowlection/util/ImageUtils.java
@@ -0,0 +1,64 @@
+package de.cowtipper.cowlection.util;
+
+import com.mojang.authlib.minecraft.MinecraftProfileTexture;
+import net.minecraft.client.Minecraft;
+import net.minecraft.client.renderer.ThreadDownloadImageData;
+import net.minecraft.util.ResourceLocation;
+import net.minecraftforge.fml.relauncher.ReflectionHelper;
+
+import java.awt.image.BufferedImage;
+
+public class ImageUtils {
+    public static int getTierFromTexture(String minionSkinId) {
+        String textureUrl = "http://textures.minecraft.net/texture/" + minionSkinId;
+        MinecraftProfileTexture minionSkinTextureDetails = new MinecraftProfileTexture(textureUrl, null);
+
+        ResourceLocation minionSkinLocation = Minecraft.getMinecraft().getSkinManager().loadSkin(minionSkinTextureDetails, MinecraftProfileTexture.Type.SKIN);
+
+        ThreadDownloadImageData minionSkinTexture = (ThreadDownloadImageData) Minecraft.getMinecraft().getTextureManager().getTexture(minionSkinLocation);
+        BufferedImage minionSkinImage = ReflectionHelper.getPrivateValue(ThreadDownloadImageData.class, minionSkinTexture, "bufferedImage", "field_110560_d");
+
+        // extract relevant part of the minion tier badge (center 2x1 pixel)
+        BufferedImage minionSkinTierBadge = minionSkinImage.getSubimage(43, 3, 2, 1);
+
+        return MinionTier.getByColors(minionSkinTierBadge.getRGB(0, 0), minionSkinTierBadge.getRGB(1, 0)).getTier();
+    }
+
+    private enum MinionTier {
+        UNKNOWN(-1, -1),
+        I(0, 0),
+        II(-2949295, -10566655),
+        III(-1245259, -10566655),
+        IV(-8922850, -983608),
+        V(-8110849, -11790679),
+        VI(-4681729, -11790679),
+        VII(-9486653, -3033345),
+        VIII(-907953, -7208930),
+        IX(-31330, -7208930),
+        X(-5046235, -20031),
+        XI(-15426142, -1769477);
+
+        private final int color1;
+        private final int color2;
+
+        MinionTier(int color1, int color2) {
+            this.color1 = color1;
+            this.color2 = color2;
+        }
+
+        private static MinionTier getByColors(int color1, int color2) {
+            MinionTier[] tiers = values();
+            for (int i = 1; i < tiers.length; i++) {
+                MinionTier minionTier = tiers[i];
+                if (minionTier.color1 == color1 && minionTier.color2 == color2) {
+                    return minionTier;
+                }
+            }
+            return UNKNOWN;
+        }
+
+        private int getTier() {
+            return ordinal();
+        }
+    }
+}