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/fx/cameraFXMgr.cpp
+++ b/Engine/source/T3D/fx/cameraFXMgr.cpp
@ -0,0 +1,208 @@
+//-----------------------------------------------------------------------------
+// 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/fx/cameraFXMgr.h"
+
+#include "platform/profiler.h"
+#include "math/mRandom.h"
+#include "math/mMatrix.h"
+
+// global cam fx
+CameraFXManager gCamFXMgr;
+
+
+//**************************************************************************
+// Camera effect
+//**************************************************************************
+CameraFX::CameraFX()
+{
+   mElapsedTime = 0.0;
+   mDuration = 1.0;
+}
+
+//--------------------------------------------------------------------------
+// Update
+//--------------------------------------------------------------------------
+void CameraFX::update( F32 dt )
+{
+   mElapsedTime += dt;
+}
+
+
+
+
+
+//**************************************************************************
+// Camera shake effect
+//**************************************************************************
+CameraShake::CameraShake()
+{
+   mFreq.zero();
+   mAmp.zero();
+   mStartAmp.zero();
+   mTimeOffset.zero();
+   mCamFXTrans.identity();
+   mFalloff = 10.0;
+   remoteControlled = false;
+   isAdded = false;
+}
+
+bool CameraShake::isExpired()
+{
+   if ( remoteControlled )
+      return false;
+
+   return Parent::isExpired();
+}
+
+//--------------------------------------------------------------------------
+// Update
+//--------------------------------------------------------------------------
+void CameraShake::update( F32 dt )
+{
+   Parent::update( dt );
+
+   if ( !remoteControlled )
+      fadeAmplitude();
+   else
+      mAmp = mStartAmp;
+
+   VectorF camOffset;
+   camOffset.x = mAmp.x * sin( M_2PI * (mTimeOffset.x + mElapsedTime) * mFreq.x );
+   camOffset.y = mAmp.y * sin( M_2PI * (mTimeOffset.y + mElapsedTime) * mFreq.y );
+   camOffset.z = mAmp.z * sin( M_2PI * (mTimeOffset.z + mElapsedTime) * mFreq.z );
+
+   VectorF rotAngles;
+   rotAngles.x = camOffset.x * 10.0 * M_PI/180.0;
+   rotAngles.y = camOffset.y * 10.0 * M_PI/180.0;
+   rotAngles.z = camOffset.z * 10.0 * M_PI/180.0;
+   MatrixF rotMatrix( EulerF( rotAngles.x, rotAngles.y, rotAngles.z ) );
+
+   mCamFXTrans = rotMatrix;
+   mCamFXTrans.setPosition( camOffset );
+}
+
+//--------------------------------------------------------------------------
+// Fade out the amplitude over time
+//--------------------------------------------------------------------------
+void CameraShake::fadeAmplitude()
+{
+   F32 percentDone = (mElapsedTime / mDuration);
+   if( percentDone > 1.0 ) percentDone = 1.0;
+
+   F32 time = 1 + percentDone * mFalloff;
+   time = 1 / (time * time);
+
+   mAmp = mStartAmp * time;
+}
+
+//--------------------------------------------------------------------------
+// Initialize
+//--------------------------------------------------------------------------
+void CameraShake::init()
+{
+   mTimeOffset.x = 0.0;
+   mTimeOffset.y = gRandGen.randF();
+   mTimeOffset.z = gRandGen.randF();
+}
+
+//**************************************************************************
+// CameraFXManager
+//**************************************************************************
+CameraFXManager::CameraFXManager()
+{
+   mCamFXTrans.identity();
+}
+
+//--------------------------------------------------------------------------
+// Destructor
+//--------------------------------------------------------------------------
+CameraFXManager::~CameraFXManager()
+{
+   clear();
+}
+
+//--------------------------------------------------------------------------
+// Add new effect to currently running list
+//--------------------------------------------------------------------------
+void CameraFXManager::addFX( CameraFX *newFX )
+{
+   mFXList.pushFront( newFX );
+}
+
+void CameraFXManager::removeFX( CameraFX *fx )
+{
+   CamFXList::Iterator itr = mFXList.begin();
+   for ( ; itr != mFXList.end(); itr++ )
+   {
+      if ( *itr == fx )
+      {
+         mFXList.erase( itr );
+         return;
+      }
+   }
+   
+   return;
+}
+
+//--------------------------------------------------------------------------
+// Clear all currently running camera effects
+//--------------------------------------------------------------------------
+void CameraFXManager::clear()
+{
+   for(CamFXList::Iterator i = mFXList.begin(); i != mFXList.end(); ++i)
+   {
+      delete *i;
+   }
+
+   mFXList.clear();
+}
+
+//--------------------------------------------------------------------------
+// Update camera effects
+//--------------------------------------------------------------------------
+void CameraFXManager::update( F32 dt )
+{
+   PROFILE_SCOPE( CameraFXManager_update );
+
+   mCamFXTrans.identity();
+
+   CamFXList::Iterator cur;
+   for(CamFXList::Iterator i = mFXList.begin(); i != mFXList.end(); /*Trickiness*/)
+   {
+      // Store previous iterator and increment while iterator is still valid.
+      cur = i;
+      ++i;
+      CameraFX * curFX = *cur;
+      curFX->update( dt );
+      MatrixF fxTrans = curFX->getTrans();
+
+      mCamFXTrans.mul( fxTrans );
+
+      if( curFX->isExpired() )
+      {
+         delete curFX;
+         mFXList.erase( cur );
+      }
+   }
+}