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/*
** ClanLib SDK
** Copyright (c) 1997-2005 The ClanLib Team
**
** This software is provided 'as-is', without any express or implied
** warranty. In no event will the authors be held liable for any damages
** arising from the use of this software.
**
** Permission is granted to anyone to use this software for any purpose,
** including commercial applications, and to alter it and redistribute it
** freely, subject to the following restrictions:
**
** 1. The origin of this software must not be misrepresented; you must not
** claim that you wrote the original software. If you use this software
** in a product, an acknowledgment in the product documentation would be
** appreciated but is not required.
** 2. Altered source versions must be plainly marked as such, and must not be
** misrepresented as being the original software.
** 3. This notice may not be removed or altered from any source distribution.
**
** Note: Some of the libraries ClanLib may link to may have additional
** requirements or restrictions.
**
** File Author(s):
**
** Magnus Norddahl
** (if your name is missing here, please add it)
*/
#ifndef header_gameobject_moving
#define header_gameobject_moving
#if _MSC_VER > 1000
#pragma once
#endif
#include "gameobject.h"
class World;
class GameObject_Moving : public GameObject
{
//!Construction:
public:
//: Construct object at position (x, y).
GameObject_Moving(int x, int y, World *world);
//: Destructor.
virtual ~GameObject_Moving();
//!Attributes:
public:
//: Returns object x position.
virtual float get_x() { return x; }
//: Returns object y position.
virtual float get_y() { return y; }
protected:
//: World object.
World *world;
//!Operations:
protected:
//: Set movement speed of object.
void set_speed(float new_speed) { speed = new_speed; }
//: Set object to move to this destination.
void set_destination(int x, int y) { dest_x = x; dest_y = y; }
//: Moves the object.
bool move(float time_elapsed);
//: Called when object reaches destination.
virtual bool event_reached_dest()=0;
//!Implementation:
protected:
bool verify_move(int dx, int dy);
bool do_move(int dx, int dy);
float x, y;
int dest_x, dest_y;
float speed;
};
#endif
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