(Mostly) updated verve implementation.

Engine/source/Verve/Extension/GUI/VFadeTrack.cpp

@@ -0,0 +1,139 @@
+//-----------------------------------------------------------------------------
+// Verve
+// Copyright (C) 2014 - Violent Tulip
+//
+// 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 "Verve/Extension/GUI/VFadeTrack.h"
+#include "Verve/Extension/GUI/VFadeEvent.h"
+
+//-----------------------------------------------------------------------------
+IMPLEMENT_CONOBJECT( VFadeTrack );
+//-----------------------------------------------------------------------------
+
+VFadeTrack::VFadeTrack( void )
+{
+    setLabel( "FadeTrack" );
+}
+
+//-----------------------------------------------------------------------------
+//
+// Controller Methods.
+//
+//-----------------------------------------------------------------------------
+
+//-----------------------------------------------------------------------------
+// 
+// VFadeTrack::onControllerEvent( pEvent );
+// 
+// When the controller's state changes, this method is called. If the
+// controller is paused, or stops playing, then the fade control will cease
+// playing. If the controller resumes play, the fade control will continue.
+// 
+// For a full list of possible events, see the 'eControllerEventType'
+// declaration in VController.h.
+// 
+//-----------------------------------------------------------------------------
+bool VFadeTrack::onControllerEvent( VController::eControllerEventType pEvent )
+{
+    if ( !Parent::onControllerEvent( pEvent ) )
+    {
+        // Skip.
+        return false;
+    }
+
+    // Enabled?
+    if ( !isEnabled() )
+    {
+        // Continue Processing Events.
+        return true;
+    }
+
+    // Fetch the next Event.
+    VFadeEvent *event;
+    if ( !getNextEvent( event ) )
+    {
+        // No Event.
+        return true;
+    }
+
+    // Fetch GUI Control.
+    VFadeControl *fadeControl = dynamic_cast<VFadeControl*>( Sim::findObject( "VFadeControlGui" ) );
+    if ( !fadeControl )
+    {
+        // No Control.
+        return true;
+    }
+
+    switch ( pEvent )
+    {
+        case VController::k_EventPlay:
+            {
+                // Play?
+                const S32 &time = getControllerTime();
+                fadeControl->mActive = ( time > event->getTriggerTime()
+                                         && time < event->getFinishTime() ) ;
+
+            } break;
+
+        case VController::k_EventPause :
+        case VController::k_EventStop :
+            {
+
+                // Pause.
+                fadeControl->mActive = false;
+
+            } break;
+    }
+
+    return true;
+}
+
+//-----------------------------------------------------------------------------
+// 
+// VFadeTrack::onControllerReset( pTime, pForward );
+// 
+// Reset the fade state of the fade control.
+// 
+//-----------------------------------------------------------------------------
+void VFadeTrack::onControllerReset( const S32 &pTime, const bool &pForward )
+{
+    Parent::onControllerReset( pTime, pForward );
+
+    // Fetch GUI Control.
+    VFadeControl *fadeControl;
+    if ( !Sim::findObject( "VFadeControlGUI", fadeControl ) )
+    {
+        // Invalid.
+        return;
+    }
+
+    VFadeEvent *event;
+    if ( !getNextEvent( event ) )
+    {
+        // No Events.
+        return;
+    }
+
+    // Apply Settings.
+    fadeControl->mActive      = false;
+    fadeControl->mFadeType    = event->getFadeType();
+    fadeControl->mDuration    = event->getDuration();
+    fadeControl->mElapsedTime = getMax( pTime - event->getTriggerTime(), 0 );
+}