crown-engine/engine/renderers/Sprite.h

/*
Copyright (c) 2013 Daniele Bartolini, Michele Rossi
Copyright (c) 2012 Daniele Bartolini, Simone Boscaratto

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.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR 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 LIABILITY,
WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
OTHER DEALINGS IN THE SOFTWARE.
*/

#pragma once

#include "RendererTypes.h"
#include "RenderWorldTypes.h"
#include "Vector3.h"
#include "Matrix4x4.h"
#include "Quaternion.h"

namespace crown
{

class Renderer;
class RenderWorld;
class SceneGraph;
struct SpriteResource;
struct Unit;

//-----------------------------------------------------------------------------
struct Sprite
{
							Sprite(RenderWorld& render_world, SceneGraph& sg, int32_t node, const SpriteResource* sr);
							~Sprite();

	Vector3					local_position() const;
	Quaternion				local_rotation() const;
	Matrix4x4				local_pose() const;

	Vector3					world_position() const;
	Quaternion				world_rotation() const;
	Matrix4x4				world_pose() const;

	void					set_local_position(Unit* unit, const Vector3& pos);
	void					set_local_rotation(Unit* unit, const Quaternion& rot);
	void					set_local_pose(Unit* unit, const Matrix4x4& pose);

	/// Plays the animation from frame @a start to frame @a.
	/// @a time is for how long the animation has to be played.
	void					play_animation(uint32_t start, uint32_t end, float time, bool loop);

	/// Stops the current animation.
	void					stop_animation();

	void					set_frame(uint32_t i);
	void					set_material(MaterialId mat);
	void					render(Renderer& r, UniformId uniform, float dt);

public:

	RenderWorld&			m_render_world;
	SceneGraph&				m_scene_graph;	
	int32_t					m_node;
	const SpriteResource*	m_resource;

	uint32_t				m_start_frame;
	uint32_t				m_cur_frame;
	uint32_t				m_end_frame;
	float 					m_tot_time;
	float					m_anim_time;
	bool					m_loop;
	bool					m_is_playing;

	MaterialId				m_material;
	VertexBufferId			m_vb;
	IndexBufferId			m_ib;
};

} // namespace crown