/*
**	Command & Conquer Generals Zero Hour(tm)
**	Copyright 2025 Electronic Arts Inc.
**
**	This program is free software: you can redistribute it and/or modify
**	it under the terms of the GNU General Public License as published by
**	the Free Software Foundation, either version 3 of the License, or
**	(at your option) any later version.
**
**	This program is distributed in the hope that it will be useful,
**	but WITHOUT ANY WARRANTY; without even the implied warranty of
**	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
**	GNU General Public License for more details.
**
**	You should have received a copy of the GNU General Public License
**	along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

////////////////////////////////////////////////////////////////////////////////
//																																						//
//  (c) 2001-2003 Electronic Arts Inc.																				//
//																																						//
////////////////////////////////////////////////////////////////////////////////

// FILE: W3DDefaultDraw.cpp ///////////////////////////////////////////////////////////////////////
// Author: Colin Day, November 2001
// Desc:   Default w3d draw module
///////////////////////////////////////////////////////////////////////////////////////////////////

// INCLUDES ///////////////////////////////////////////////////////////////////////////////////////

#include "Common/FileSystem.h"	// this is only here to pull in LOAD_TEST_ASSETS
#include "Common/GlobalData.h"
#include "Common/ThingTemplate.h"
#include "Common/Xfer.h"
#include "GameClient/Drawable.h"
#include "GameLogic/Object.h"
#include "GameClient/Shadow.h"
#include "GameClient/FXList.h"
#include "GameLogic/TerrainLogic.h"

#include "WW3D2/HAnim.h"
#include "WW3D2/HLod.h"
#include "WW3D2/RendObj.h"
#include "W3DDevice/GameClient/Module/W3DDefaultDraw.h"
#include "W3DDevice/GameClient/W3DAssetManager.h"
#include "W3DDevice/GameClient/W3DDisplay.h"
#include "W3DDevice/GameClient/W3DScene.h"
#include "W3DDevice/GameClient/W3DShadow.h"


//-------------------------------------------------------------------------------------------------
//-------------------------------------------------------------------------------------------------
W3DDefaultDraw::W3DDefaultDraw(Thing *thing, const ModuleData* moduleData) : DrawModule(thing, moduleData)
{
#ifdef LOAD_TEST_ASSETS
	m_renderObject = NULL;
	m_shadow = NULL;
	if (!getDrawable()->getTemplate()->getLTAName().isEmpty())
	{
		m_renderObject = W3DDisplay::m_assetManager->Create_Render_Obj(getDrawable()->getTemplate()->getLTAName().str(), getDrawable()->getScale(), 0);

		Shadow::ShadowTypeInfo shadowInfo;
		shadowInfo.m_type=(ShadowType)SHADOW_VOLUME;
		shadowInfo.m_sizeX=0;	//use defaults
		shadowInfo.m_sizeY=0;
		shadowInfo.m_offsetX=0;
		shadowInfo.m_offsetY=0;
  		m_shadow = TheW3DShadowManager->addShadow(m_renderObject, &shadowInfo);


		DEBUG_ASSERTCRASH(m_renderObject, ("Test asset %s not found", getDrawable()->getTemplate()->getLTAName().str()));
		if (m_renderObject)
		{

			W3DDisplay::m_3DScene->Add_Render_Object(m_renderObject);

			m_renderObject->Set_User_Data(getDrawable()->getDrawableInfo());

			Matrix3D transform;
			///@todo: Change back to identity once we figure out why objects show up at 0,0,0
			/// OBJECT_PILE
//			transform.Set(Vector3(0,0,9999));
			transform.Set(Vector3(0,0,0));
			m_renderObject->Set_Transform(transform);
		}
	}
#endif
}

// ------------------------------------------------------------------------------------------------
// ------------------------------------------------------------------------------------------------
void W3DDefaultDraw::reactToTransformChange( const Matrix3D *oldMtx, 
																						 const Coord3D *oldPos, 
																						 Real oldAngle )
{

	if( m_renderObject )
		m_renderObject->Set_Transform( *getDrawable()->getTransformMatrix() );

}

//-------------------------------------------------------------------------------------------------
//-------------------------------------------------------------------------------------------------
W3DDefaultDraw::~W3DDefaultDraw(void)
{
#ifdef LOAD_TEST_ASSETS
	if (TheW3DShadowManager && m_shadow)
	{	
		TheW3DShadowManager->removeShadow(m_shadow);
		m_shadow = NULL;
	}
	if (m_renderObject)
	{
		W3DDisplay::m_3DScene->Remove_Render_Object(m_renderObject);
  	REF_PTR_RELEASE(m_renderObject);
		m_renderObject = NULL;
	}
#endif
}

//-------------------------------------------------------------------------------------------------
void W3DDefaultDraw::setShadowsEnabled(Bool enable)
{
#ifdef LOAD_TEST_ASSETS
	if (m_shadow)
		m_shadow->enableShadowRender(enable);
#endif
}

//-------------------------------------------------------------------------------------------------
void W3DDefaultDraw::setFullyObscuredByShroud(Bool fullyObscured)
{
#ifdef LOAD_TEST_ASSETS
	if (m_shadow)
		m_shadow->enableShadowInvisible(fullyObscured);
#endif
}

//-------------------------------------------------------------------------------------------------
void W3DDefaultDraw::doDrawModule(const Matrix3D* transformMtx)
{
#ifdef LOAD_TEST_ASSETS
	if(m_renderObject)
	{
		Matrix3D scaledTransform;
		if (getDrawable()->getInstanceScale() != 1.0f)
		{	//do custom scaling of the W3D model.
			scaledTransform=*transformMtx;
			scaledTransform.Scale(getDrawable()->getInstanceScale());
			transformMtx = &scaledTransform;
			m_renderObject->Set_ObjectScale(getDrawable()->getInstanceScale());
		}
		else
		{
			m_renderObject->Set_Transform(*transformMtx);
		}
	}
#endif

	return;
}

// ------------------------------------------------------------------------------------------------
/** CRC */
// ------------------------------------------------------------------------------------------------
void W3DDefaultDraw::crc( Xfer *xfer )
{

	// extend base class
	DrawModule::crc( xfer );

}  // end crc

// ------------------------------------------------------------------------------------------------
/** Xfer method
	* Version Info:
	* 1: Initial version */
// ------------------------------------------------------------------------------------------------
void W3DDefaultDraw::xfer( Xfer *xfer )
{

	// version
	XferVersion currentVersion = 1;
	XferVersion version = currentVersion;
	xfer->xferVersion( &version, currentVersion );

	// extend base class
	DrawModule::xfer( xfer );

}  // end xfer

// ------------------------------------------------------------------------------------------------
/** Load post process */
// ------------------------------------------------------------------------------------------------
void W3DDefaultDraw::loadPostProcess( void )
{

	// extend base class
	DrawModule::loadPostProcess();

}  // end loadPostProcess