Impostor.h

#pragma once

/*
 * The MIT License (MIT)
 *
 * Copyright (c) 2018 Filip Wasil and Fillwave community members
 *
 * 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.
 */

#include <flw/flc/texturing/Texture2D.h>
#include <flw/flc/extended/texturing/Sampler.h>
#include <flw/flc/pipeline/Program.h>
#include <flw/cmn/Finishable.h>
#include <flw/flf/models/Entity.h>

namespace flw {
class Engine;
namespace flf {

class Impostor : public Entity, public Finishable {
public:
  Impostor(
    Engine *engine
    , GLfloat lifetime
    , GLfloat size
    , flc::Texture2D* texture = nullptr
    , flc::Program* program = nullptr
    , GLenum blendingSource = GL_SRC_ALPHA
    , GLenum blendingDestination = GL_ONE_MINUS_SRC_ALPHA);

  ~Impostor() override;

protected:
  Engine* mEngine;
  flc::Texture2D* mTexture;
  flc::Program* mProgram;
#if defined(FILLWAVE_BACKEND_OPENGL_ES_20) || defined(FILLWAVE_BACKEND_OPENGL_ES_30)
#else
  flc::Sampler* mSampler;
#endif
  GLfloat mSize;
  Blending mBlending;

  void coreDraw();
};

} /* flf */
} /* flw */