fixed textures loses transparency when drawing specific items

gradle.properties

@@ -5,7 +5,7 @@ mod_name=InventoryOCHUD
 # Sets the id of your mod that mod loaders use to recognize it.
 mod_id=inventory_oc_hud
 # Sets the version of your mod. Make sure to update this when you make changes according to semver.
-mod_version=1.0.0
+mod_version=1.0.1
 # Sets the name of the jar file that you put in your 'mods' folder.
 mod_archives_name=InventoryOCHUD
 

src/main/java/me/redth/inventoryochud/hud/InventoryHUD.java

@@ -7,6 +7,7 @@
 import net.minecraft.client.renderer.RenderHelper;
 import net.minecraft.client.renderer.entity.RenderItem;
 import net.minecraft.item.ItemStack;
+import org.lwjgl.opengl.GL11;
 
 public abstract class InventoryHUD extends BasicHud {
     protected static final transient Minecraft mc = Minecraft.getMinecraft();
@@ -18,9 +19,14 @@ public InventoryHUD(int x, int y) {
     @Override
     protected void draw(UMatrixStack matrices, float x, float y, float scale, boolean example) {
         GlStateManager.pushMatrix();
-        GlStateManager.translate(x, y, 100F);
+        GlStateManager.translate(x, y, 100);
         GlStateManager.scale(scale, scale, 1.0);
 
+        GlStateManager.enableRescaleNormal();
+        GlStateManager.enableBlend();
+        GlStateManager.tryBlendFuncSeparate(770, 771, 1, 0);
+        RenderHelper.enableGUIStandardItemLighting();
+
         for (int row = 0; row < 3; row++) {
             for (int column = 0; column < 9; column++) {
                 int index = row * 9 + column;
@@ -30,6 +36,10 @@ protected void draw(UMatrixStack matrices, float x, float y, float scale, boolea
             GlStateManager.translate(-162, 18, 0);
         }
 
+        RenderHelper.disableStandardItemLighting();
+        GlStateManager.disableBlend();
+        GlStateManager.disableRescaleNormal();
+        GlStateManager.enableAlpha();
 
         GlStateManager.popMatrix();
     }
@@ -53,18 +63,8 @@ protected float getHeight(float scale, boolean example) {
 
     protected static void drawItem(ItemStack item) {
         if (item == null) return;
-
-        GlStateManager.enableRescaleNormal();
-        GlStateManager.enableBlend();
-        GlStateManager.tryBlendFuncSeparate(770, 771, 1, 0);
-        RenderHelper.enableGUIStandardItemLighting();
-
         RenderItem itemRenderer = mc.getRenderItem();
         itemRenderer.renderItemAndEffectIntoGUI(item, 0, 0);
         itemRenderer.renderItemOverlayIntoGUI(mc.fontRendererObj, item, 0, 0, null);
-
-        RenderHelper.disableStandardItemLighting();
-        GlStateManager.disableBlend();
-        GlStateManager.disableRescaleNormal();
     }
 }

src/main/java/me/redth/inventoryochud/hud/PlayerInventoryHUD.java

@@ -10,6 +10,7 @@ public PlayerInventoryHUD() {
 
     @Override
     protected ItemStack getItem(int index) {
+        if (mc.thePlayer == null) return null;
         return mc.thePlayer.inventory.mainInventory[index + 9];
     }
 }