Engine directory for ticket #1

2026-07-11 06:34:36 +00:00 · 2012-09-19 11:15:01 -04:00 · 2012-09-19 11:15:01 -04:00 · 7dbfe6994d
commit 7dbfe6994d
parent 352279af7a
3795 changed files with 1363358 additions and 0 deletions
--- a/Engine/source/T3D/physics/physx/pxContactReporter.cpp
+++ b/Engine/source/T3D/physics/physx/pxContactReporter.cpp
@ -0,0 +1,108 @@
+//-----------------------------------------------------------------------------
+// Copyright (c) 2012 GarageGames, LLC
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to
+// deal in the Software without restriction, including without limitation the
+// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+// sell copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+// IN THE SOFTWARE.
+//-----------------------------------------------------------------------------
+
+#include "platform/platform.h"
+#include "T3D/physics/physX/pxContactReporter.h"
+
+#include "T3D/physics/physX/pxCasts.h"
+#include "T3D/physics/physicsUserData.h"
+#include "T3D/physics/physX/pxMultiActor.h"
+#include "platform/profiler.h"
+
+
+PxContactReporter::PxContactReporter()
+{
+}
+
+PxContactReporter::~PxContactReporter()
+{
+}
+
+void PxContactReporter::onContactNotify( NxContactPair &pair, NxU32 events )
+{
+   PROFILE_SCOPE( PxContactReporter_OnContactNotify );
+
+   // For now we only care about start touch events.
+   if ( !( events & NX_NOTIFY_ON_START_TOUCH ) )
+      return;
+
+   // Skip if either actor is deleted.
+   if ( pair.isDeletedActor[0] || pair.isDeletedActor[1] )
+      return;
+
+   NxActor *actor0 = pair.actors[0];
+   NxActor *actor1 = pair.actors[1];
+
+   PhysicsUserData *userData0 = PhysicsUserData::cast( actor0->userData );
+   PhysicsUserData *userData1 = PhysicsUserData::cast( actor1->userData );
+
+   // Early out if we don't have user data or signals to notify.
+   if (  ( !userData0 || userData0->getContactSignal().isEmpty() ) &&
+         ( !userData1 || userData1->getContactSignal().isEmpty() ) )
+      return;
+
+   // Get an average contact point.
+   U32 points = 0;
+   NxVec3 hitPoint( 0.0f );
+   NxContactStreamIterator iter( pair.stream );
+   while( iter.goNextPair() )
+   {
+      while( iter.goNextPatch() )
+      {
+         while( iter.goNextPoint() )
+         {
+            hitPoint += iter.getPoint();
+            ++points;
+         }
+      }
+   }
+   hitPoint /= (F32)points;
+
+   if ( userData0 )
+      userData0->getContactSignal().trigger( userData0, 
+                                             userData1, 
+                                             pxCast<Point3F>( hitPoint ),
+                                             pxCast<Point3F>( pair.sumNormalForce ) );
+
+   if ( userData1 )
+      userData1->getContactSignal().trigger( userData1, 
+                                             userData0, 
+                                             pxCast<Point3F>( hitPoint ),
+                                             pxCast<Point3F>( -pair.sumNormalForce ) );
+}
+
+bool PxUserNotify::onJointBreak( NxReal breakingForce, NxJoint &brokenJoint )
+{
+   PROFILE_SCOPE( PxUserNotify_OnJointBreak );
+
+   PxUserData *userData = PxUserData::getData( brokenJoint );   
+
+   if ( userData )
+      userData->getOnJointBreakSignal().trigger( breakingForce, brokenJoint );
+
+   // NOTE: Returning true here will tell the
+   // PhysX SDK to delete the joint, which will
+   // cause MANY problems if any of the user app's
+   // objects still hold references to it.
+
+   return false;
+}