From ead4186734e9a15899ae7e02030d1065cc4e3861 Mon Sep 17 00:00:00 2001
From: Bill Clagett <bill.clagett@gmail.com>
Date: Sun, 20 Nov 2016 23:00:22 -0500
Subject: [PATCH] =?UTF-8?q?Expose=20box2d=E2=80=99s=20RopeJoint::SetMaxLen?=
 =?UTF-8?q?gth().?=
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--HG--
branch : fb_add_ropejoint_setmaxlength
---
 src/modules/physics/box2d/RopeJoint.cpp      | 4 ++++
 src/modules/physics/box2d/RopeJoint.h        | 1 +
 src/modules/physics/box2d/wrap_RopeJoint.cpp | 9 +++++++++
 3 files changed, 14 insertions(+)

diff --git a/src/modules/physics/box2d/RopeJoint.cpp b/src/modules/physics/box2d/RopeJoint.cpp
index 8db662a09..53d7677d6 100644
--- a/src/modules/physics/box2d/RopeJoint.cpp
+++ b/src/modules/physics/box2d/RopeJoint.cpp
@@ -59,6 +59,10 @@ float RopeJoint::getMaxLength() const
 	return Physics::scaleUp(joint->GetMaxLength());
 }
 
+void RopeJoint::setMaxLength(float maxLength)
+{
+	joint->SetMaxLength(Physics::scaleDown(maxLength));
+}
 
 } // box2d
 } // physics
diff --git a/src/modules/physics/box2d/RopeJoint.h b/src/modules/physics/box2d/RopeJoint.h
index 56d00bb20..926da9ac0 100644
--- a/src/modules/physics/box2d/RopeJoint.h
+++ b/src/modules/physics/box2d/RopeJoint.h
@@ -50,6 +50,7 @@ public:
 	 * Gets the maximum length of the rope.
 	 **/
 	float getMaxLength() const;
+	void setMaxLength(float length);
 
 private:
 	// The Box2D RopeJoint object.
diff --git a/src/modules/physics/box2d/wrap_RopeJoint.cpp b/src/modules/physics/box2d/wrap_RopeJoint.cpp
index 926354a55..0fe233e1e 100644
--- a/src/modules/physics/box2d/wrap_RopeJoint.cpp
+++ b/src/modules/physics/box2d/wrap_RopeJoint.cpp
@@ -42,9 +42,18 @@ int w_RopeJoint_getMaxLength(lua_State *L)
 	return 1;
 }
 
+int w_RopeJoint_setMaxLength(lua_State *L)
+{
+	RopeJoint *t = luax_checkropejoint(L, 1);
+	float arg1 = (float)luaL_checknumber(L, 2);
+	t->setMaxLength(arg1);
+	return 0;
+}
+	
 static const luaL_Reg w_RopeJoint_functions[] =
 {
 	{ "getMaxLength", w_RopeJoint_getMaxLength },
+	{ "setMaxLength", w_RopeJoint_setMaxLength },
 	{ 0, 0 }
 };