From 0acde2bd0654f475c766734c41482699a78803e7 Mon Sep 17 00:00:00 2001
From: Adam <Adam@anope.org>
Date: Mon, 14 May 2018 18:22:23 -0400
Subject: [PATCH] runelite-mixins: wrap drawTileUnderlay in try/catch

The rasterizer crashes on certain tiles ingame with specific camera angles.

java.lang.ArrayIndexOutOfBoundsException: -1
    at Graphics3D.rasterGouraudLine(Graphics3D.java:797)
    at Graphics3D.rasterGouraud(Graphics3D.java:680)
    at Region.drawTileUnderlay(Region.java:1853)
    at Region.draw(Region.java:1376)
    at Region.drawRegion(Region.java:1187)
    at class35.method682(class35.java:808)
    at WorldMapType3.gameDraw(WorldMapType3.java:448)
    at class218.method4359(class218.java:1069)
    at Client.method1268(Client.java:3922)
    at Client.methodDraw(Client.java:2239)
    at GameEngine.method914(GameEngine.java:605)
    at GameEngine.run(GameEngine.java:1027)
    at java.lang.Thread.run(Thread.java:748)
---
 .../net/runelite/mixins/RSRegionMixin.java     | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/runelite-mixins/src/main/java/net/runelite/mixins/RSRegionMixin.java b/runelite-mixins/src/main/java/net/runelite/mixins/RSRegionMixin.java
index e29dcb2b36..27a0bb3647 100644
--- a/runelite-mixins/src/main/java/net/runelite/mixins/RSRegionMixin.java
+++ b/runelite-mixins/src/main/java/net/runelite/mixins/RSRegionMixin.java
@@ -25,11 +25,13 @@
 package net.runelite.mixins;
 
 import net.runelite.api.Renderable;
+import net.runelite.api.SceneTilePaint;
 import net.runelite.api.Tile;
 import net.runelite.api.mixins.Copy;
 import net.runelite.api.mixins.Inject;
 import net.runelite.api.mixins.Mixin;
 import net.runelite.api.mixins.Replace;
+import static net.runelite.client.callback.Hooks.log;
 import net.runelite.rs.api.RSDecorativeObject;
 import net.runelite.rs.api.RSGroundObject;
 import net.runelite.rs.api.RSItemLayer;
@@ -130,4 +132,20 @@ public abstract class RSRegionMixin implements RSRegion
 			}
 		}
 	}
+
+	@Copy("drawTileUnderlay")
+	abstract public void rs$drawTileUnderlay(SceneTilePaint tile, int z, int pitchSin, int pitchCos, int yawSin, int yawCos, int x, int y);
+
+	@Replace("drawTileUnderlay")
+	public void rl$drawTileUnderlay(SceneTilePaint tile, int z, int pitchSin, int pitchCos, int yawSin, int yawCos, int x, int y)
+	{
+		try
+		{
+			rs$drawTileUnderlay(tile, z, pitchSin, pitchCos, yawSin, yawCos, x, y);
+		}
+		catch (Exception ex)
+		{
+			log.warn("error during tile underlay rendering", ex);
+		}
+	}
 }