//-----------------------------------------------------------------------------
// V12 Engine - ObjectView GUI 
// 
// Copyright (c) 2001 Frank Bignone
// Portions Copyright (c) 2001 GarageGames.Com
// Portions Copyright (c) 2001 by Sierra Online, Inc.
//-----------------------------------------------------------------------------

#include "gui/guiCanvas.h"
#include "gui/GuiObjectView.h"
#include "console/consoleTypes.h"

static const F32 MaxOrbitDist = 50.0f;
static const S32 MaxAnimations = 6;

IMPLEMENT_CONOBJECT( GuiObjectView );

//------------------------------------------------------------------------------
GuiObjectView::GuiObjectView() : GuiTSCtrl()
{
   mActive = true;
   mMouseState = None;
   mModel = NULL;
   mLastMousePoint.set( 0, 0 );
   lastRenderTime = 0;
   runThread = 0;
}


//------------------------------------------------------------------------------
GuiObjectView::~GuiObjectView()
{
   if ( mModel )
   {
      delete mModel;
      mModel = NULL;
   }
}

//------------------ExoDuS-------------------------------------------------

void GuiObjectView::setEmpty() {
    if ( mModel ) {
       delete mModel;
       mModel = NULL;
    }
}

ConsoleMethod( GuiObjectView, setEmpty, void, 2, 2, "objectView.setEmpty( )" ) {
    argc;
	GuiObjectView* view = static_cast<GuiObjectView*>( object );
	view->setEmpty();
}
//------------------------------------------------------------------------------
ConsoleMethod( GuiObjectView, setModel, void, 4, 4, "objectView.setModel( object, skin )" )
{
   argc;
   GuiObjectView* view = static_cast<GuiObjectView*>( object );
   view->setObjectModel( argv[2], argv[3] );
}


//------------------------------------------------------------------------------
void GuiObjectView::consoleInit()
{
}


//------------------------------------------------------------------------------
bool GuiObjectView::onWake()
{
   if ( !Parent::onWake() )
      return( false );
      
   mCameraMatrix.identity();
   mCameraRot.set( 0, 0, 3.9 );
   mCameraPos.set( 0, 1.75, 1.25 );
   mCameraMatrix.setColumn( 3, mCameraPos );
   mOrbitPos.set( 0, 0, 0 );
   mOrbitDist = 1.5f;

   return( true );
}

//------------------------------------------------------------------------------
void GuiObjectView::onMouseDown( const GuiEvent &event )
{
   if ( !mActive || !mVisible || !mAwake )
      return;

   mMouseState = Rotating;
   mLastMousePoint = event.mousePoint;
   mouseLock();
}


//------------------------------------------------------------------------------
void GuiObjectView::onMouseUp( const GuiEvent &/*event*/ )
{
   mouseUnlock();
   mMouseState = None;
}


//------------------------------------------------------------------------------
void GuiObjectView::onMouseDragged( const GuiEvent &event )
{
   if ( mMouseState != Rotating )
      return;

   Point2I delta = event.mousePoint - mLastMousePoint;
   mLastMousePoint = event.mousePoint;

   mCameraRot.x += ( delta.y * 0.01 );
   mCameraRot.z += ( delta.x * 0.01 );
}


//------------------------------------------------------------------------------
void GuiObjectView::onRightMouseDown( const GuiEvent &event )
{
   mMouseState = Zooming;
   mLastMousePoint = event.mousePoint;
   mouseLock();
}


//------------------------------------------------------------------------------
void GuiObjectView::onRightMouseUp( const GuiEvent &/*event*/ )
{
   mouseUnlock();
   mMouseState = None;
}


//------------------------------------------------------------------------------
void GuiObjectView::onRightMouseDragged( const GuiEvent &event )
{
   if ( mMouseState != Zooming )
      return;

   S32 delta = event.mousePoint.y - mLastMousePoint.y;
   mLastMousePoint = event.mousePoint;

   mOrbitDist += ( delta * 0.01 ); 
}

//------------------------------------------------------------------------------
void GuiObjectView::setObjectModel( const char* shape, const char* skin )
{
   if ( mModel )
   {
      delete mModel;
      mModel = NULL;
   }
   
   runThread = 0;

   char fileBuffer[256];
   dSprintf( fileBuffer, sizeof( fileBuffer ), "%s", shape );

   ResourceObject * res = ResourceManager->createResource(fileBuffer);
   res->flags |= ResourceObject::File;
   Resource<TSShape> hShape = ResourceManager->load( fileBuffer );
   if ( !bool( hShape ) )
      return;

   mModel = new TSShapeInstance( hShape, true );
   AssertFatal( mModel, "ERROR!  Failed to load object model!" );

   // Set the skin:
   if ( !mModel->ownMaterialList() )
      mModel->cloneMaterialList();

   TSMaterialList* materialList = mModel->getMaterialList();
   for ( U32 i = 0; i < materialList->mMaterialNames.size(); i++ ) 
   {
      const char* name = materialList->mMaterialNames[i];
      if ( !name )
         continue;

      const U32 len = dStrlen( name );
      AssertFatal( len < 200, "GuiObjectView::setPlayerModel - Skin name exceeds maximum length!" );
      if ( len < 6 )
         continue;

      const char* replace = dStrstr( name, "base." );
      if ( !replace )
         continue;

      char newName[256];
      dStrncpy( newName, name, replace - name );
      newName[replace - name] = 0;
      dStrcat( newName, skin );
      dStrcat( newName, "." );
      dStrcat( newName, replace + 5 );
      
      TextureHandle test = TextureHandle( newName, MeshTexture, false );
      if ( test.getGLName() )
         materialList->mMaterials[i] = test;
      else
         materialList->mMaterials[i] = TextureHandle( name, MeshTexture, false );
   }

   // Initialize camera values:
   mOrbitPos = mModel->getShape()->center;
   mMinOrbitDist = mModel->getShape()->radius;
   mOrbitDist = mMinOrbitDist + 1;

//   // initialize run thread
//   S32 sequence = hShape->findSequence("dummyRun");
//   
//   if( sequence != -1 )
//   {
//      runThread = mModel->addThread();
//      mModel->setPos( runThread, 0 );
//      mModel->setTimeScale( runThread, 1 );
//      mModel->setSequence( runThread, sequence, 0 );
//   }
   
   // the first time recording
   lastRenderTime = Platform::getVirtualMilliseconds();
}

//------------------------------------------------------------------------------
bool GuiObjectView::processCameraQuery( CameraQuery* query )
{
   // Make sure the orbit distance is within the acceptable range:
   mOrbitDist = ( mOrbitDist < mMinOrbitDist ) ? mMinOrbitDist : ( ( mOrbitDist > MaxOrbitDist ) ? MaxOrbitDist : mOrbitDist );

   // Adjust the camera so that we are still facing the model:
   Point3F vec;
   MatrixF xRot, zRot;
   xRot.set( EulerF( mCameraRot.x, 0, 0 ) );
   zRot.set( EulerF( 0, 0, mCameraRot.z ) );

   mCameraMatrix.mul( zRot, xRot );
   mCameraMatrix.getColumn( 1, &vec );
   vec *= mOrbitDist;
   mCameraPos = mOrbitPos - vec;

   query->nearPlane = 0.1;
   query->farPlane = 2100.0;
   query->fov = 3.1415 / 3.5;
   mCameraMatrix.setColumn( 3, mCameraPos );
   query->cameraMatrix = mCameraMatrix;
   return( true );
}


//------------------------------------------------------------------------------
void GuiObjectView::renderWorld( const RectI &updateRect )
{
   if ( !(bool)mModel  )
      return;
      
   S32 time = Platform::getVirtualMilliseconds();
   S32 dt = time - lastRenderTime;
   lastRenderTime = time;

   glClear( GL_DEPTH_BUFFER_BIT );
   glMatrixMode( GL_MODELVIEW );

   glEnable( GL_DEPTH_TEST );
   glDepthFunc( GL_LEQUAL );  

   // animate and render in a run pose
   F32 fdt = dt;
//   mModel->advanceTime( fdt/1000.f, runThread );
//   mModel->animate();

   //Rotating Test --- Remove soon please
    F32 mfAngle = 0;
	// Update the angle
	mfAngle += 0.5;
	// Check the angle
 	while( mfAngle > 360 )
 		mfAngle -= 360;
 	// Rotate the model around
 	glRotatef( mfAngle, 0, 0, 1 );


   mModel->render();
   
   
   glDisable( GL_DEPTH_TEST );
   dglSetClipRect( updateRect );
   dglSetCanonicalState();
}