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#pragma once
#include "StarParallax.hpp"
#include "StarWorldRenderData.hpp"
#include "StarAssetTextureGroup.hpp"
#include "StarRenderer.hpp"
#include "StarWorldCamera.hpp"
#include "StarPerlin.hpp"
#include "StarRandomPoint.hpp"
namespace Star {
STAR_CLASS(EnvironmentPainter);
class EnvironmentPainter {
public:
EnvironmentPainter(RendererPtr renderer);
void update(float dt);
void renderStars(float pixelRatio, Vec2F const& screenSize, SkyRenderData const& sky);
void renderDebrisFields(float pixelRatio, Vec2F const& screenSize, SkyRenderData const& sky);
void renderBackOrbiters(float pixelRatio, Vec2F const& screenSize, SkyRenderData const& sky);
void renderPlanetHorizon(float pixelRatio, Vec2F const& screenSize, SkyRenderData const& sky);
void renderFrontOrbiters(float pixelRatio, Vec2F const& screenSize, SkyRenderData const& sky);
void renderSky(Vec2F const& screenSize, SkyRenderData const& sky);
void renderParallaxLayers(Vec2F parallaxWorldPosition, WorldCamera const& camera, ParallaxLayers const& layers, SkyRenderData const& sky);
void cleanup(int64_t textureTimeout);
private:
static float const SunriseTime;
static float const SunsetTime;
static float const SunFadeRate;
static float const MaxFade;
static float const RayPerlinFrequency;
static float const RayPerlinAmplitude;
static int const RayCount;
static float const RayMinWidth;
static float const RayWidthVariance;
static float const RayAngleVariance;
static float const SunRadius;
static float const RayColorDependenceLevel;
static float const RayColorDependenceScale;
static float const RayUnscaledAlphaVariance;
static float const RayMinUnscaledAlpha;
static Vec3B const RayColor;
void drawRays(float pixelRatio, SkyRenderData const& sky, Vec2F start, float length, double time, float alpha);
void drawRay(float pixelRatio,
SkyRenderData const& sky,
Vec2F start,
float width,
float length,
float angle,
double time,
Vec3B color,
float alpha);
void drawOrbiter(float pixelRatio, Vec2F const& screenSize, SkyRenderData const& sky, SkyOrbiter const& orbiter);
uint64_t starsHash(SkyRenderData const& sky, Vec2F const& viewSize) const;
void setupStars(SkyRenderData const& sky);
RendererPtr m_renderer;
AssetTextureGroupPtr m_textureGroup;
double m_timer;
PerlinF m_rayPerlin;
uint64_t m_starsHash{};
List<TexturePtr> m_starTextures;
shared_ptr<Random2dPointGenerator<pair<size_t, float>>> m_starGenerator;
List<shared_ptr<Random2dPointGenerator<pair<String, float>, double>>> m_debrisGenerators;
};
}
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