From 6dac2a1ce91d444355a2e0ce116f18b7413a8c12 Mon Sep 17 00:00:00 2001
From: Aesen Vismea <aesen@unascribed.com>
Date: Sat, 2 Apr 2016 15:05:23 -0400
Subject: [PATCH] Ctrl+Render while hovering a slot now pre-fills the owning
 mod's ID

Implements #6
---
 .../blockrenderer/BlockRenderer.java          | 45 ++++++++++---------
 .../blockrenderer/GuiEnterModId.java          |  8 +++-
 2 files changed, 31 insertions(+), 22 deletions(-)

diff --git a/src/main/java/com/unascribed/blockrenderer/BlockRenderer.java b/src/main/java/com/unascribed/blockrenderer/BlockRenderer.java
index 1aef611..621c5c6 100644
--- a/src/main/java/com/unascribed/blockrenderer/BlockRenderer.java
+++ b/src/main/java/com/unascribed/blockrenderer/BlockRenderer.java
@@ -100,31 +100,36 @@ public void onFrameStart(RenderTickEvent e) {
 				if (!down) {
 					down = true;
 					Minecraft mc = Minecraft.getMinecraft();
+					Slot hovered = null;
+					GuiScreen currentScreen = mc.currentScreen;
+					if (currentScreen instanceof GuiContainer) {
+						int w = currentScreen.width;
+						int h = currentScreen.height;
+						final int x = Mouse.getX() * w / mc.displayWidth;
+						// OpenGL's Y-zero is at the *bottom* of the window.
+						// Minecraft's Y-zero is at the top. So, we need to flip it.
+						final int y = h - Mouse.getY() * h / mc.displayHeight - 1;
+						hovered = ((GuiContainer)currentScreen).getSlotAtPosition(x, y);
+					}
 					if (GuiScreen.isCtrlKeyDown()) {
-						mc.displayGuiScreen(new GuiEnterModId(mc.currentScreen));
-					} else {
-						GuiScreen currentScreen = mc.currentScreen;
-						if (currentScreen instanceof GuiContainer) {
-							int w = currentScreen.width;
-							int h = currentScreen.height;
-							final int x = Mouse.getX() * w / mc.displayWidth;
-							// OpenGL's Y-zero is at the *bottom* of the window.
-							// Minecraft's Y-zero is at the top. So, we need to flip it.
-							final int y = h - Mouse.getY() * h / mc.displayHeight - 1;
-							Slot s = ((GuiContainer)currentScreen).getSlotAtPosition(x, y);
-							if (s != null) {
-								ItemStack is = s.getStack();
-								if (is != null) {
-									mc.ingameGUI.getChatGUI().printChatMessage(new ChatComponentText(render(is, new File("renders"), 512, true)));
-								} else {
-									mc.ingameGUI.getChatGUI().printChatMessage(new ChatComponentTranslation("msg.slot.empty"));
-								}
+						String modid = null;
+						if (hovered != null && hovered.getHasStack()) {
+							modid = Item.itemRegistry.getNameForObject(hovered.getStack().getItem()).getResourceDomain();
+						}
+						mc.displayGuiScreen(new GuiEnterModId(mc.currentScreen, modid));
+					} else if (currentScreen instanceof GuiContainer) {
+						if (hovered != null) {
+							ItemStack is = hovered.getStack();
+							if (is != null) {
+								mc.ingameGUI.getChatGUI().printChatMessage(new ChatComponentText(render(is, new File("renders"), 512, true)));
 							} else {
-								mc.ingameGUI.getChatGUI().printChatMessage(new ChatComponentTranslation("msg.slot.absent"));
+								mc.ingameGUI.getChatGUI().printChatMessage(new ChatComponentTranslation("msg.slot.empty"));
 							}
 						} else {
-							mc.ingameGUI.getChatGUI().printChatMessage(new ChatComponentTranslation("msg.notcontainer"));
+							mc.ingameGUI.getChatGUI().printChatMessage(new ChatComponentTranslation("msg.slot.absent"));
 						}
+					} else {
+						mc.ingameGUI.getChatGUI().printChatMessage(new ChatComponentTranslation("msg.notcontainer"));
 					}
 				}
 			} else {
diff --git a/src/main/java/com/unascribed/blockrenderer/GuiEnterModId.java b/src/main/java/com/unascribed/blockrenderer/GuiEnterModId.java
index c875754..c22bf59 100644
--- a/src/main/java/com/unascribed/blockrenderer/GuiEnterModId.java
+++ b/src/main/java/com/unascribed/blockrenderer/GuiEnterModId.java
@@ -4,6 +4,8 @@
 
 import org.lwjgl.input.Keyboard;
 
+import com.google.common.base.Strings;
+
 import net.minecraft.client.gui.GuiButton;
 import net.minecraft.client.gui.GuiScreen;
 import net.minecraft.client.gui.GuiSlider;
@@ -12,18 +14,20 @@
 import net.minecraft.client.resources.I18n;
 
 public class GuiEnterModId extends GuiScreen implements GuiResponder {
+	private String prefill;
 	private GuiTextField text;
 	private GuiSlider size;
 	private GuiScreen old;
 	
-	public GuiEnterModId(GuiScreen old) {
+	public GuiEnterModId(GuiScreen old, String prefill) {
 		this.old = old;
+		this.prefill = Strings.nullToEmpty(prefill);
 	}
 	
 	@Override
 	public void initGui() {
 		Keyboard.enableRepeatEvents(true);
-		String oldText = (text == null ? "" : text.getText());
+		String oldText = (text == null ? prefill : text.getText());
 		
 		float oldSize = (size == null ? 512 : size.func_175220_c());