From 3b1a592fb7a4ce3fb0582bcdf0472eef43b9778c Mon Sep 17 00:00:00 2001
From: Erwin Coumans <blender@erwincoumans.com>
Date: Mon, 3 Jul 2006 05:58:23 +0000
Subject: debug lines / register the applied impulse for constraint (for
 breaking)

---
 .../gameengine/Ketsji/KX_PyConstraintBinding.cpp   | 31 ++++++++++++++++++++++
 .../Physics/Bullet/CcdPhysicsEnvironment.cpp       | 15 +++++++++++
 .../Physics/Bullet/CcdPhysicsEnvironment.h         |  1 +
 .../Physics/common/PHY_IPhysicsEnvironment.h       |  1 +
 4 files changed, 48 insertions(+)

(limited to 'source')

diff --git a/source/gameengine/Ketsji/KX_PyConstraintBinding.cpp b/source/gameengine/Ketsji/KX_PyConstraintBinding.cpp
index 28138195a5e..6fbf2888bd9 100644
--- a/source/gameengine/Ketsji/KX_PyConstraintBinding.cpp
+++ b/source/gameengine/Ketsji/KX_PyConstraintBinding.cpp
@@ -73,6 +73,8 @@ static char gPySetSolverType__doc__[] = "setSolverType(int solverType) Very expe
 static char gPyCreateConstraint__doc__[] = "createConstraint(ob1,ob2,float restLength,float restitution,float damping)";
 static char gPyGetVehicleConstraint__doc__[] = "getVehicleConstraint(int constraintId)";
 static char gPyRemoveConstraint__doc__[] = "removeConstraint(int constraintId)";
+static char gPyGetAppliedImpulse__doc__[] = "getAppliedImpulse(int constraintId)";
+
 
 
 
@@ -401,6 +403,32 @@ static PyObject* gPyCreateConstraint(PyObject* self,
 }
 
 
+
+
+static PyObject* gPyGetAppliedImpulse(PyObject* self,
+										 PyObject* args, 
+										 PyObject* kwds)
+{
+	float	appliedImpulse = 0.f;
+
+#if defined(_WIN64)
+	__int64 constraintid;
+	if (PyArg_ParseTuple(args,"L",&constraintid))
+#else
+	long constraintid;
+	if (PyArg_ParseTuple(args,"l",&constraintid))
+#endif
+	{
+		if (PHY_GetActiveEnvironment())
+		{
+			appliedImpulse = PHY_GetActiveEnvironment()->getAppliedImpulse(constraintid);
+		}
+	}
+
+	return PyFloat_FromDouble(appliedImpulse);
+}
+
+
 static PyObject* gPyRemoveConstraint(PyObject* self,
 										 PyObject* args, 
 										 PyObject* kwds)
@@ -470,6 +498,9 @@ static struct PyMethodDef physicsconstraints_methods[] = {
 
   {"removeConstraint",(PyCFunction) gPyRemoveConstraint,
    METH_VARARGS, gPyRemoveConstraint__doc__},
+	{"getAppliedImpulse",(PyCFunction) gPyGetAppliedImpulse,
+   METH_VARARGS, gPyGetAppliedImpulse__doc__},
+
 
    //sentinel
   { NULL, (PyCFunction) NULL, 0, NULL }
diff --git a/source/gameengine/Physics/Bullet/CcdPhysicsEnvironment.cpp b/source/gameengine/Physics/Bullet/CcdPhysicsEnvironment.cpp
index 6ff471c4bd5..2fee6d06963 100644
--- a/source/gameengine/Physics/Bullet/CcdPhysicsEnvironment.cpp
+++ b/source/gameengine/Physics/Bullet/CcdPhysicsEnvironment.cpp
@@ -1271,6 +1271,21 @@ int			CcdPhysicsEnvironment::createConstraint(class PHY_IPhysicsController* ctrl
 
 }
 
+float		CcdPhysicsEnvironment::getAppliedImpulse(int	constraintid)
+{
+	std::vector<TypedConstraint*>::iterator i;
+
+	for (i=m_constraints.begin();
+		!(i==m_constraints.end()); i++)
+	{
+		TypedConstraint* constraint = (*i);
+		if (constraint->GetUserConstraintId() == constraintid)
+		{
+			return constraint->GetAppliedImpulse();
+		}
+	}
+	return 0.f;
+}
 void		CcdPhysicsEnvironment::removeConstraint(int	constraintId)
 {
 	std::vector<TypedConstraint*>::iterator i;
diff --git a/source/gameengine/Physics/Bullet/CcdPhysicsEnvironment.h b/source/gameengine/Physics/Bullet/CcdPhysicsEnvironment.h
index 9de7053d271..73bd9f8c95e 100644
--- a/source/gameengine/Physics/Bullet/CcdPhysicsEnvironment.h
+++ b/source/gameengine/Physics/Bullet/CcdPhysicsEnvironment.h
@@ -113,6 +113,7 @@ class CcdPhysicsEnvironment : public PHY_IPhysicsEnvironment
 			float pivotX,float pivotY,float pivotZ,
 			float axisX,float axisY,float axisZ);
 	    virtual void		removeConstraint(int	constraintid);
+		virtual float		getAppliedImpulse(int	constraintid);
 
 
 		virtual void	CallbackTriggers();
diff --git a/source/gameengine/Physics/common/PHY_IPhysicsEnvironment.h b/source/gameengine/Physics/common/PHY_IPhysicsEnvironment.h
index cdd67257de2..fe4370fa725 100644
--- a/source/gameengine/Physics/common/PHY_IPhysicsEnvironment.h
+++ b/source/gameengine/Physics/common/PHY_IPhysicsEnvironment.h
@@ -88,6 +88,7 @@ class PHY_IPhysicsEnvironment
 			float pivotX,float pivotY,float pivotZ,
 			float axisX,float axisY,float axisZ)=0;
 		virtual void		removeConstraint(int	constraintid)=0;
+		virtual float		getAppliedImpulse(int	constraintid){ return 0.f;}
 
 		//complex constraint for vehicles
 		virtual PHY_IVehicle*	getVehicleConstraint(int constraintId) =0;
-- 
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