Added constraint framework, and the nail contraint

Extras/MayaPlugin/scripts/AEdNailConstraintTemplate.mel

@@ -0,0 +1,39 @@
+/*
+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>
+*/
+
+//AEdNailConstraintTemplate.mel
+
+global proc AEdNailConstraintTemplate( string $nodeName )
+{
+	
+    editorTemplate -beginScrollLayout;
+
+    editorTemplate -addControl damping;
+    editorTemplate -addControl inRigidBody;
+    
+    AEdependNodeTemplate $nodeName;
+
+    editorTemplate -addExtraControls;
+    editorTemplate -endScrollLayout;
+
+}
+

Extras/MayaPlugin/scripts/dynamicaUI.mel

@@ -308,6 +308,21 @@ global proc string dynamicaUI_createMainTab()
 	    }
 	    setParent ..;
 	}
+
+	frameLayout -collapsable true -label "Constraints" -borderStyle "in";
+	{
+	    rowLayout -nc 5;
+	    {
+		string $createNailConstraintBtn = `iconTextButton -style "iconAndTextVertical" -label "Nail"
+                                                    -width 100 -image1 "dynamicaCreateNailConstraint.xpm" -c ("dynamicaUI_createNailConstraint")
+                                                    -ann "Create a nail constraint"`;
+
+
+		setParent ..;
+	    }
+	    setParent ..;
+	}
+
 	setParent ..;
     }
     return $mainForm;
@@ -643,6 +658,28 @@ global proc dynamicaUI_createPassiveMeshRBArray()
     dynamicaUI_createRigidBodyArray(false, 1);
 }
 
+global proc dynamicaUI_createNailConstraint()
+{    
+    string $selection[] = `ls -selection -dag -leaf -showType -type "geometry"`;
+
+    //create dSolver node if necessary
+    dSolver;
+
+    string $newConstraints[];
+
+    for($i = 0; $i < size($selection) / 2; $i++) {
+        if($selection[$i * 2 + 1] == "dRigidBody") {
+            string $constraintNode = `dNailConstraint`;
+            connectAttr ($selection[$i * 2] + ".message") ($constraintNode + ".inRigidBody");
+            string $constraintTransforms[] = `listRelatives -parent $constraintNode`;
+            $newConstraints[$i] = $constraintTransforms[0];
+        }
+    }
+
+    select -r $newConstraints;
+
+}
+
 global proc dyn_demo1()
 {
     dynamicaUI_createActiveSphereRBArray();