world.h

#pragma once

#include <Vortex2D/Vortex2D.h>
#include "entity.h"
#include "rigidbody.h"

class World
{
public:
  World(const Vortex2D::Renderer::Device& device, const glm::ivec2& size, float scale);

  b2World& GetBox2dWorld();
  Vortex2D::Fluid::WaterWorld& GetWorld();

  void Record(Vortex2D::Renderer::RenderTarget& target,
              Vortex2D::Renderer::ColorBlendState blendState);
  void RecordVelocity(Vortex2D::Renderer::Drawable& velocity);

  void Render(Vortex2D::Renderer::RenderTarget& target);

  Entity* FindEntity(const glm::vec2& pos);

  void Clear();

  void Add(EntityPtr entity);
  void Delete(Entity*);

private:
  const Vortex2D::Renderer::Device& mDevice;
  glm::ivec2 mSize;
  float mScale;
  Vortex2D::Fluid::WaterWorld mWorld;
  b2World mBox2DWorld;
  Box2DSolver mBox2DSolver;
  std::vector<EntityPtr> mEntities;
  Vortex2D::Renderer::Rectangle mGravity;
  Vortex2D::Fluid::DistanceField mLiquidPhi;

  Vortex2D::Renderer::RenderCommand mVelocityRender, mWindowRender;
};