1 files changed, 91 insertions, 0 deletions
diff --git a/src/main/java/gregtech/common/render/GTIconFlipped.java b/src/main/java/gregtech/common/render/GTIconFlipped.java
new file mode 100644
index 0000000000..261e5e63b2
--- /dev/null
+++ b/src/main/java/gregtech/common/render/GTIconFlipped.java
@@ -0,0 +1,91 @@
+package gregtech.common.render;
+
+import net.minecraft.util.IIcon;
+
+import cpw.mods.fml.relauncher.Side;
+import cpw.mods.fml.relauncher.SideOnly;
+
+@SideOnly(Side.CLIENT)
+public class GTIconFlipped implements IIcon {
+
+    private final IIcon baseIcon;
+    private final boolean flipU;
+    private final boolean flipV;
+
+    public GTIconFlipped(IIcon baseIcon, boolean flipU, boolean flipV) {
+        this.baseIcon = baseIcon;
+        this.flipU = flipU;
+        this.flipV = flipV;
+    }
+
+    /**
+     * Returns the width of the icon, in pixels.
+     */
+    @Override
+    public int getIconWidth() {
+        return this.baseIcon.getIconWidth();
+    }
+
+    /**
+     * Returns the height of the icon, in pixels.
+     */
+    @Override
+    public int getIconHeight() {
+        return this.baseIcon.getIconHeight();
+    }
+
+    /**
+     * Returns the minimum U coordinate to use when rendering with this icon.
+     */
+    @Override
+    public float getMinU() {
+        return this.flipU ? this.baseIcon.getMaxU() : this.baseIcon.getMinU();
+    }
+
+    /**
+     * Returns the maximum U coordinate to use when rendering with this icon.
+     */
+    @Override
+    public float getMaxU() {
+        return this.flipU ? this.baseIcon.getMinU() : this.baseIcon.getMaxU();
+    }
+
+    /**
+     * Gets a U coordinate on the icon. 0 returns uMin and 16 returns uMax. Other arguments return in-between values.
+     */
+    @Override
+    public float getInterpolatedU(double p_94214_1_) {
+        final float f = this.getMaxU() - this.getMinU();
+        return this.getMinU() + f * ((float) p_94214_1_ / 16.0F);
+    }
+
+    /**
+     * Returns the minimum V coordinate to use when rendering with this icon.
+     */
+    @Override
+    public float getMinV() {
+        return this.flipV ? this.baseIcon.getMaxV() : this.baseIcon.getMinV();
+    }
+
+    /**
+     * Returns the maximum V coordinate to use when rendering with this icon.
+     */
+    @Override
+    public float getMaxV() {
+        return this.flipV ? this.baseIcon.getMinV() : this.baseIcon.getMaxV();
+    }
+
+    /**
+     * Gets a V coordinate on the icon. 0 returns vMin and 16 returns vMax. Other arguments return in-between values.
+     */
+    @Override
+    public float getInterpolatedV(double p_94207_1_) {
+        final float f = this.getMaxV() - this.getMinV();
+        return this.getMinV() + f * ((float) p_94207_1_ / 16.0F);
+    }
+
+    @Override
+    public String getIconName() {
+        return this.baseIcon.getIconName();
+    }
+}