82 lines
1.8 KiB
C++
82 lines
1.8 KiB
C++
#pragma once
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#include <memory>
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#include <string>
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#include <vector>
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#include <glm/glm.hpp>
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#include "typedefs.hpp"
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#include "maths/fastmaths.hpp"
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#include "graphics/core/MeshData.hpp"
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template<typename VertexStructure> class Mesh;
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class Shader;
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class Assets;
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class Camera;
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class Batch3D;
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class Cubemap;
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class Framebuffer;
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class DrawContext;
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struct SkyboxVertex {
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glm::vec2 position;
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static constexpr VertexAttribute ATTRIBUTES[] {
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{VertexAttribute::Type::FLOAT, false, 2},
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{{}, 0}};
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};
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struct SkySprite {
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std::string texture;
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float phase;
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float distance;
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bool emissive;
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float altitude;
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};
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class Skybox {
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std::unique_ptr<Framebuffer> fbo;
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uint size;
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Shader& shader;
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bool ready = false;
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FastRandom random;
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glm::vec3 lightDir;
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std::unique_ptr<Mesh<SkyboxVertex>> mesh;
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std::unique_ptr<Batch3D> batch3d;
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std::vector<SkySprite> sprites;
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int frameid = 0;
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float prevMie = -1.0f;
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float prevT = -1.0f;
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float sunAltitude = 45.0f;
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glm::mat4 rotation;
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void drawStars(float angle, float opacity);
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void drawBackground(
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const Camera& camera, const Assets& assets, int width, int height
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);
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void refreshFace(uint face, Cubemap* cubemap);
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public:
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Skybox(uint size, Shader& shader);
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~Skybox();
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void draw(
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const DrawContext& pctx,
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const Camera& camera,
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const Assets& assets,
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float daytime,
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float fog
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);
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void refresh(const DrawContext& pctx, float t, float mie, uint quality);
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void bind() const;
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void unbind() const;
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bool isReady() const {
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return ready;
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}
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const glm::vec3 getLightDir() const {
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return lightDir;
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}
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};
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