1 files changed, 78 insertions, 0 deletions
diff --git a/src/main/java/gtneioreplugin/plugin/renderer/ItemDimensionDisplayRenderer.java b/src/main/java/gtneioreplugin/plugin/renderer/ItemDimensionDisplayRenderer.java
new file mode 100644
index 0000000000..547ad52951
--- /dev/null
+++ b/src/main/java/gtneioreplugin/plugin/renderer/ItemDimensionDisplayRenderer.java
@@ -0,0 +1,78 @@
+package gtneioreplugin.plugin.renderer;
+
+import net.minecraft.client.Minecraft;
+import net.minecraft.client.gui.FontRenderer;
+import net.minecraft.client.renderer.entity.RenderItem;
+import net.minecraft.item.ItemStack;
+import net.minecraftforge.client.IItemRenderer;
+
+import org.lwjgl.opengl.GL11;
+
+import gtneioreplugin.plugin.item.ItemDimensionDisplay;
+
+public class ItemDimensionDisplayRenderer implements IItemRenderer {
+
+    private final RenderItem renderItem = new RenderItem();
+
+    @Override
+    public boolean handleRenderType(ItemStack item, ItemRenderType type) {
+        return type == ItemRenderType.INVENTORY;
+    }
+
+    @Override
+    public boolean shouldUseRenderHelper(ItemRenderType type, ItemStack item, ItemRendererHelper helper) {
+        return false;
+    }
+
+    // Renders the actual text on top of planet items.
+    @Override
+    public void renderItem(ItemRenderType type, ItemStack stack, Object... data) {
+        String dimension = ItemDimensionDisplay.getDimension(stack);
+        if (dimension == null) {
+            return;
+        }
+
+        renderItem.renderItemIntoGUI(
+            Minecraft.getMinecraft().fontRenderer,
+            Minecraft.getMinecraft().renderEngine,
+            stack,
+            0,
+            0,
+            false);
+
+        FontRenderer fontRender = Minecraft.getMinecraft().fontRenderer;
+        float smallTextScale = 3F / 4F;
+
+        GL11.glPushMatrix();
+        GL11.glTranslatef(0, 0, 300);
+        GL11.glScalef(smallTextScale, smallTextScale, 1.0f);
+
+        long prefix = getPrefix(dimension);
+        String tooltipPrefix = prefix != -1 ? "T" + prefix : "INVALID. Please, report this to the GTNH team";
+
+        fontRender
+            .drawString(tooltipPrefix, 0, (int) (16 / smallTextScale) - fontRender.FONT_HEIGHT + 1, 0xFFFFFF, true);
+
+        GL11.glPopMatrix();
+
+        GL11.glDisable(GL11.GL_ALPHA_TEST);
+    }
+
+    // See DimensionHelper.DimNameDisplayed for real names of these.
+    public static long getPrefix(String dimName) {
+        return switch (dimName) {
+            case "Ow", "Ne", "TF", "ED", "VA", "EA" -> 0L;
+            case "Mo" -> 1L;
+            case "De", "Ma", "Ph" -> 2L;
+            case "As", "Ca", "Ce", "Eu", "Ga", "Rb" -> 3L;
+            case "Io", "Me", "Ve" -> 4L;
+            case "En", "Mi", "Ob", "Ti", "Ra" -> 5L;
+            case "Pr", "Tr" -> 6L;
+            case "Ha", "KB", "MM", "Pl" -> 7L;
+            case "BC", "BE", "BF", "CB", "TE", "VB" -> 8L;
+            case "An", "Ho", "Np", "Mh", "MB", "Se" -> 9L;
+            case "DD" -> 10L;
+            default -> -1L;
+        };
+    }
+}