First MayaPlugin, still need to fix the makefiles and get unique ids for

the Maya nodes.
Got rid of boost dependencies.
Cleaned up mvl library

Extras/MayaPlugin/bt_plane_shape.h

@@ -0,0 +1,81 @@
+/*
+Bullet Continuous Collision Detection and Physics Library Maya Plugin
+Copyright (c) 2008 Walt Disney Studios
+ 
+This software is provided 'as-is', without any express or implied warranty.
+In no event will the authors be held liable for any damages arising
+from the use of this software.
+Permission is granted to anyone to use this software for any purpose,
+including commercial applications, and to alter it and redistribute it freely,
+subject to the following restrictions:
+ 
+1. The origin of this software must not be misrepresented; you must
+not claim that you wrote the original software. If you use this
+software in a product, an acknowledgment in the product documentation
+would be appreciated but is not required.
+2. Altered source versions must be plainly marked as such, and must
+not be misrepresented as being the original software.
+3. This notice may not be removed or altered from any source distribution.
+ 
+Written by: Nicola Candussi <nicola@fluidinteractive.com>
+*/
+
+//bt_plane_shape.h
+
+#ifndef DYN_BT_PLANE_SHAPE_H
+#define DYN_BT_PLANE_SHAPE_H
+
+#include "plane_shape_impl.h"
+
+class bt_plane_shape_t: public bt_collision_shape_t, public plane_shape_impl_t 
+{
+public:
+    virtual void gl_draw(size_t draw_style) {
+      //  btStaticPlaneShape *plane_shape = static_cast<btStaticPlaneShape*>(shape());
+        glPushMatrix();
+        glScalef(100.0, 0.001, 100.0); 
+        if(draw_style & collision_shape_t::kDSSolid) {
+            glutSolidCube(1.0);
+        } else {
+            glutWireCube(1.0);
+        }
+        glPopMatrix();
+    }
+
+    virtual void set_scale(vec3f const& s) {
+        shape()->setLocalScaling(btVector3(s[0], s[1], s[2]));
+    }
+
+    virtual void get_scale(vec3f& s) {
+        const btVector3& scale = shape()->getLocalScaling();
+        s = vec3f(scale.x(), scale.y(), scale.z());
+    }
+
+    virtual float volume()                  { return m_volume;  }
+    virtual vec3f const& local_inertia()    { return m_local_inertia;  }
+    virtual vec3f const& center()           { return m_center; }
+    virtual quatf const& rotation()         { return m_rotation;  }
+
+protected:
+    friend class bt_solver_t;
+
+    bt_plane_shape_t(vec3f const& normal, float d): 
+        bt_collision_shape_t(),
+        m_volume(0),
+        m_local_inertia(1, 1, 1),
+        m_center(0, 0, 0),
+        m_rotation(qidentity<float>())
+    { 
+        set_shape(new btStaticPlaneShape(btVector3(normal[0], normal[1], normal[2]), d));
+      //  shape()->setMargin(0.1);
+    }
+
+private:
+    float m_volume;
+    vec3f m_center;
+    quatf m_rotation;
+    vec3f m_local_inertia;
+
+};
+
+#endif