fix: cosmetic preview doll not displaying at all.

src/main/java/net/asodev/islandutils/mixins/cosmetics/UIMixin.java

@@ -1,37 +1,25 @@
 package net.asodev.islandutils.mixins.cosmetics;
 
-import com.mojang.blaze3d.platform.Lighting;
-import com.mojang.blaze3d.systems.RenderSystem;
-import com.mojang.blaze3d.vertex.PoseStack;
 import net.asodev.islandutils.mixins.accessors.WalkAnimStateAccessor;
+import net.asodev.islandutils.modules.cosmetics.CosmeticUI;
 import net.asodev.islandutils.options.IslandOptions;
 import net.asodev.islandutils.options.categories.CosmeticsOptions;
 import net.asodev.islandutils.state.MccIslandState;
 import net.asodev.islandutils.modules.cosmetics.CosmeticState;
 import net.minecraft.client.Minecraft;
-import net.minecraft.client.gui.Gui;
 import net.minecraft.client.gui.GuiGraphics;
 import net.minecraft.client.gui.screens.inventory.AbstractContainerScreen;
 import net.minecraft.client.gui.screens.inventory.ContainerScreen;
-import net.minecraft.client.gui.screens.inventory.InventoryScreen;
-import net.minecraft.client.renderer.MultiBufferSource;
-import net.minecraft.client.renderer.entity.EntityRenderDispatcher;
 import net.minecraft.network.chat.Component;
-import net.minecraft.world.entity.LivingEntity;
 import net.minecraft.world.entity.player.Inventory;
 import net.minecraft.world.entity.player.Player;
 import net.minecraft.world.inventory.ChestMenu;
-import net.minecraft.world.inventory.Slot;
 import net.minecraft.world.item.ItemStack;
-import net.minecraft.world.item.Items;
-import org.joml.Quaternionf;
 import org.spongepowered.asm.mixin.Mixin;
 import org.spongepowered.asm.mixin.injection.At;
 import org.spongepowered.asm.mixin.injection.Inject;
 import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
 
-import java.util.UUID;
-
 import static net.asodev.islandutils.modules.cosmetics.CosmeticState.applyColor;
 import static net.asodev.islandutils.modules.cosmetics.CosmeticState.isCosmeticMenu;
 
@@ -47,7 +35,8 @@ public void renderBg(GuiGraphics guiGraphics, float f, int i, int j, CallbackInf
 
         CosmeticsOptions options = IslandOptions.getCosmetics();
         if (!options.isShowPlayerPreview()) return;
-        if (options.isShowOnOnlyCosmeticMenus() && !CosmeticState.isCosmeticMenu(this.menu)) return;
+        boolean isCosmeticMenu = false;
+        if (options.isShowOnOnlyCosmeticMenus() && !(isCosmeticMenu = CosmeticState.isCosmeticMenu(this))) return;
 
         checkInspect();
 
@@ -64,7 +53,7 @@ public void renderBg(GuiGraphics guiGraphics, float f, int i, int j, CallbackInf
         if (CosmeticState.inspectingPlayer == null || CosmeticState.inspectingPlayer.getUUID() == Minecraft.getInstance().player.getUUID()) {
             hatSlot = CosmeticState.hatSlot.getContents().getItem(this.menu);
             accSlot = CosmeticState.accessorySlot.getContents().getItem(this.menu);
-            if (isCosmeticMenu(this.menu)) {
+            if (isCosmeticMenu) {
                 applyColor(hatSlot);
                 applyColor(accSlot);
 
@@ -93,7 +82,7 @@ public void renderBg(GuiGraphics guiGraphics, float f, int i, int j, CallbackInf
         int x = (this.width - this.imageWidth) / 4;
         int y = (this.height / 2) + size;
 
-        this.renderPlayerInInventory(
+        CosmeticUI.renderPlayerInInventory(
                 guiGraphics,
                 x, // x
                 y,  // y
@@ -122,24 +111,6 @@ public void renderBg(GuiGraphics guiGraphics, float f, int i, int j, CallbackInf
         guiGraphics.renderItem(this.minecraft.player, accSlot, itemPos, y+2, x + y * this.imageWidth);
     }
 
-    // don't ask what this code does
-    // the answer is "it renders the player, it works, no touch."
-    private void renderPlayerInInventory(GuiGraphics guiGraphics, int x, int y, int size, LivingEntity livingEntity) {
-        float yRot = CosmeticState.yRot;
-        float xRot = (float)Math.atan(CosmeticState.xRot / 40.0f);;
-
-        InventoryScreen.renderEntityInInventoryFollowsMouse(
-                guiGraphics,
-                x, y,
-                x, y,
-                size,
-                0.0625f,
-                xRot,
-                yRot,
-                livingEntity
-        );
-    }
-
     private void checkInspect() {
         // TODO: Readd inspect menu support
     }

src/main/java/net/asodev/islandutils/modules/cosmetics/CosmeticState.java

@@ -2,6 +2,7 @@
 
 import net.asodev.islandutils.util.Utils;
 import net.minecraft.client.Minecraft;
+import net.minecraft.client.gui.screens.inventory.AbstractContainerScreen;
 import net.minecraft.core.component.DataComponents;
 import net.minecraft.nbt.CompoundTag;
 import net.minecraft.network.chat.Component;
@@ -80,7 +81,10 @@ public static CosmeticType getType(ItemStack item) {
         return null;
     }
 
-    public static boolean isCosmeticMenu(ChestMenu menu) {
+    public static boolean isCosmeticMenu(AbstractContainerScreen<ChestMenu> screen) {
+        if (screen.getTitle().getString().contains("WARDROBE")) return true;
+
+        ChestMenu menu = screen.getMenu();
         List<ItemStack> slots = new ArrayList<>(menu.slots.stream().map(Slot::getItem).toList());
         slots.add(menu.getCarried());
         for (ItemStack slot : slots){

src/main/java/net/asodev/islandutils/modules/cosmetics/CosmeticUI.java

@@ -0,0 +1,60 @@
+package net.asodev.islandutils.modules.cosmetics;
+
+import net.minecraft.client.gui.GuiGraphics;
+import net.minecraft.client.gui.screens.inventory.InventoryScreen;
+import net.minecraft.world.entity.LivingEntity;
+import org.joml.Quaternionf;
+import org.joml.Vector3f;
+
+public class CosmeticUI {
+
+    public static void renderPlayerInInventory(GuiGraphics guiGraphics, int x, int y, int size, LivingEntity livingEntity) {
+        float yRot = CosmeticState.yRot;
+        float xRot = (float)Math.atan(CosmeticState.xRot / 40.0f);
+
+        // save rotations
+        float preYBodyRot = livingEntity.yBodyRot;
+        float preYRot = livingEntity.getYRot();
+        float preXrot = livingEntity.getXRot();
+        float preYHeadRot0 = livingEntity.yHeadRotO;
+        float preYHeadRot = livingEntity.yHeadRot;
+
+        // set rotations
+        livingEntity.yBodyRot = yRot;
+        livingEntity.setYRot(yRot);
+        livingEntity.yHeadRot = livingEntity.yBodyRot;
+        livingEntity.yHeadRotO = livingEntity.yBodyRot;
+        livingEntity.setXRot(xRot * -20f); // magic value - InventoryScreen#renderEntityInInventoryFollowsMouse [setXRot]
+
+        guiGraphics.pose().pushPose();
+        guiGraphics.pose().translate(0f, 0f, 105f); // translate to 105 on the z
+        float f = 0.0625F; // magic value - InventoryScreen#renderBg [renderEntityInInventoryFollowsMouse]
+        float livingEntityScale = livingEntity.getScale();
+
+        // here we make some quaternions and do some math with them
+        // idfk this is just what the inventory code does :sob:
+        // magic values - InventoryScreen#renderEntityInInventoryFollowsMouse
+        Quaternionf quaternionf = (new Quaternionf()).rotateZ(3.1415927F);
+        Quaternionf quaternionf2 = (new Quaternionf()).rotateX(xRot * 20.0F * 0.017453292F);
+        quaternionf.mul(quaternionf2);
+        Vector3f vector3f = new Vector3f(0.0F, livingEntity.getBbHeight() / 2.0F + f * livingEntityScale, 0.0F);
+        InventoryScreen.renderEntityInInventory(
+                guiGraphics,
+                x, y - size,
+                size / livingEntityScale,
+                vector3f,
+                quaternionf,
+                quaternionf2,
+                livingEntity
+        );
+        guiGraphics.pose().popPose();
+
+        // restore rotations
+        livingEntity.yBodyRot = preYBodyRot;
+        livingEntity.setYRot(preYRot);
+        livingEntity.setXRot(preXrot);
+        livingEntity.yHeadRotO = preYHeadRot0;
+        livingEntity.yHeadRot = preYHeadRot;
+    }
+
+}