Character.h

//
// Copyright (c) 2008-2016 the Urho3D project.
//
// 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.
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// 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
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// THE SOFTWARE.
//

#pragma once

#include <Urho3D/Input/Controls.h>
#include <Urho3D/Scene/LogicComponent.h>

using namespace Urho3D;

const int CTRL_FORWARD = 1;
const int CTRL_BACK = 2;
const int CTRL_LEFT = 4;
const int CTRL_RIGHT = 8;
const int CTRL_JUMP = 16;

const float MOVE_FORCE = 0.8f;
const float INAIR_MOVE_FORCE = 0.02f;
const float BRAKE_FORCE = 0.2f;
const float JUMP_FORCE = 7.0f;
const float YAW_SENSITIVITY = 0.1f;
const float INAIR_THRESHOLD_TIME = 0.1f;

/// Character component, responsible for physical movement according to controls, as well as animation.
class Character : public LogicComponent
{
	URHO3D_OBJECT(Character, LogicComponent);

public:
	/// Construct.
	Character(Context* context);

	/// Register object factory and attributes.
	static void RegisterObject(Context* context);

	/// Handle startup. Called by LogicComponent base class.
	virtual void Start();
	/// Handle physics world update. Called by LogicComponent base class.
	virtual void FixedUpdate(float timeStep);

	/// Movement controls. Assigned by the main program each frame.
	Controls controls_;

private:
	/// Handle physics collision event.
	void HandleNodeCollision(StringHash eventType, VariantMap& eventData);

	/// Grounded flag for movement.
	bool onGround_;
	/// Jump flag.
	bool okToJump_;
	/// In air timer. Due to possible physics inaccuracy, character can be off ground for max. 1/10 second and still be allowed to move.
	float inAirTimer_;
};