/*
**	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: DynamicGeometryInfoUpdate.h //////////////////////////////////////////////////////////////////////////
// Author: Graham Smallwood, April 2002
// Desc:   Update module that changes the object's GeometryInfo
///////////////////////////////////////////////////////////////////////////////////////////////////

#pragma once

#ifndef __DYNAMIC_GEOMETRY_INFO_UPDATE_H_
#define __DYNAMIC_GEOMETRY_INFO_UPDATE_H_

// INCLUDES ///////////////////////////////////////////////////////////////////////////////////////
#include "Common/Geometry.h"
#include "GameLogic/Module/UpdateModule.h"

// FORWARD REFERENCES /////////////////////////////////////////////////////////////////////////////
class DynamicGeometryInfoUpdateModuleData : public ModuleData
{
public:

	UnsignedInt m_initialDelay;

	Real m_initialHeight;
	Real m_initialMajorRadius;
	Real m_initialMinorRadius;

	Real m_finalHeight;
	Real m_finalMajorRadius;
	Real m_finalMinorRadius;

	UnsignedInt m_transitionTime;

	Bool m_reverseAtTransitionTime;		///< reverse directions once transition time is reached

	// I will go from initial to final in transitionTime frames, smoothly.
	// I won't change type until that is actually needed as a task.

	DynamicGeometryInfoUpdateModuleData();
	static void buildFieldParse(MultiIniFieldParse& p);

private: 

};

//-------------------------------------------------------------------------------------------------
/** The default	update module */
//-------------------------------------------------------------------------------------------------
class DynamicGeometryInfoUpdate : public UpdateModule
{

	MEMORY_POOL_GLUE_WITH_USERLOOKUP_CREATE( DynamicGeometryInfoUpdate, "DynamicGeometryInfoUpdate" )
	MAKE_STANDARD_MODULE_MACRO_WITH_MODULE_DATA( DynamicGeometryInfoUpdate, DynamicGeometryInfoUpdateModuleData );

public:

	DynamicGeometryInfoUpdate( Thing *thing, const ModuleData* moduleData );
	// virtual destructor prototype provided by memory pool declaration

	virtual UpdateSleepTime update();

protected:

	UnsignedInt m_startingDelayCountdown;
	UnsignedInt m_timeActive;

	Bool m_started;
	Bool m_finished;

	Bool m_reverseAtTransitionTime;						///< do a reverse at transition time
	enum DynamicGeometryDirection { FORWARD = 1, BACKWARD = -1 };
	DynamicGeometryDirection m_direction;			///< direction we're growing/shrinking
	Bool m_switchedDirections;								///< TRUE once we've switched directions

	Real m_initialHeight;
	Real m_initialMajorRadius;
	Real m_initialMinorRadius;
	Real m_finalHeight;
	Real m_finalMajorRadius;
	Real m_finalMinorRadius;

};


#endif