LightDirectional.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/cmn/scene/CameraOrthographic.h>
#include <flw/cmn/scene/Light.h>

namespace flw {
namespace flf {

struct LightDirectionalData {
  GLfloat position[4];
  GLfloat intensity[4];
  GLfloat mvp[16];
};

class LightDirectional : public Light {
public:
  LightDirectional(
    flc::Texture2DRenderable* tex, glm::vec3 pos, glm::quat rot, glm::vec4 intensity, Moveable* observed = nullptr);

  ~LightDirectional() override;

  flc::Texture2DRenderable* getShadowTexture();

  CameraOrthographic* getShadowCamera();

  void updateShadowCamera();

  void log();

private:
  flc::Texture2DRenderable* mShadowTexture;
  pu<CameraOrthographic> mShadowCamera;
};

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