From 57e4ec78e3192aa586f388c50923451b2e6740d7 Mon Sep 17 00:00:00 2001
From: Bart van Strien <bart.bes+projects@gmail.com>
Date: Tue, 2 Aug 2016 14:26:51 +0200
Subject: [PATCH] Prevent attaching a MouseJoint to a kinematic body (fixes
 #1185)

It turns out, calling World:update() after attaching a MouseJoint to a
kinematic body causes an exception. Normally the wrapper catches the exception,
but somehow this exception cannot be caught. Wonderful.
---
 src/modules/physics/box2d/MouseJoint.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/modules/physics/box2d/MouseJoint.cpp b/src/modules/physics/box2d/MouseJoint.cpp
index 08e41d35e..96768e870 100644
--- a/src/modules/physics/box2d/MouseJoint.cpp
+++ b/src/modules/physics/box2d/MouseJoint.cpp
@@ -36,6 +36,9 @@ MouseJoint::MouseJoint(Body *body1, float x, float y)
 	: Joint(body1)
 	, joint(NULL)
 {
+	if (body1->getType() == Body::BODY_KINEMATIC)
+		throw love::Exception("Cannot attach a MouseJoint to a kinematic body");
+
 	b2MouseJointDef def;
 
 	def.bodyA = body1->world->getGroundBody();