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7d44d2211d
Add SkySystem coordinator that follows WoW's actual architecture where skyboxes are authoritative and procedural elements serve as fallbacks. Integrate lighting system across all renderers (terrain, WMO, M2, character) with unified parameters. Sky System: - SkySystem coordinator manages skybox, celestial bodies, stars, clouds, lens flare - Skybox is authoritative (baked stars from M2 models, procedural fallback only) - skyboxHasStars flag gates procedural star rendering (prevents double-star bug) Celestial Bodies (Lore-Accurate): - Two moons: White Lady (30-day cycle, pale white) + Blue Child (27-day cycle, pale blue) - Deterministic moon phases from server gameTime (not deltaTime toys) - Sun positioning driven by LightingManager directionalDir (DBC-sourced) - Camera-locked sky dome (translation ignored, rotation applied) Lighting Integration: - Apply LightingManager params to WMO, M2, character renderers - Unified lighting: directional light, diffuse color, ambient color, fog - Star occlusion by cloud density (70% weight) and fog density (30% weight) Documentation: - Add comprehensive SKY_SYSTEM.md technical guide - Update MEMORY.md with sky system architecture and anti-patterns - Update README.md with WoW-accurate descriptions Critical design decisions: - NO latitude-based star rotation (Azeroth not modeled as spherical planet) - NO always-on procedural stars (skybox authority prevents zone identity loss) - NO universal dual-moon setup (map-specific celestial configurations)
80 lines
1.7 KiB
C++
80 lines
1.7 KiB
C++
#pragma once
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#include <memory>
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#include <vector>
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#include <glm/glm.hpp>
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namespace wowee {
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namespace rendering {
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class Shader;
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class Camera;
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/**
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* Star field renderer
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*
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* Renders a field of stars across the night sky.
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* Stars fade in at dusk and out at dawn.
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*/
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class StarField {
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public:
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StarField();
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~StarField();
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bool initialize();
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void shutdown();
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/**
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* Render the star field
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* @param camera Camera for view matrix
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* @param timeOfDay Time of day in hours (0-24)
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* @param cloudDensity Optional cloud density from lighting (0-1, reduces star visibility)
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* @param fogDensity Optional fog density from lighting (reduces star visibility)
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*/
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void render(const Camera& camera, float timeOfDay,
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float cloudDensity = 0.0f, float fogDensity = 0.0f);
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/**
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* Update star twinkle animation
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*/
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void update(float deltaTime);
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/**
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* Enable/disable star rendering
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*/
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void setEnabled(bool enabled) { renderingEnabled = enabled; }
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bool isEnabled() const { return renderingEnabled; }
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/**
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* Get number of stars
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*/
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int getStarCount() const { return starCount; }
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private:
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void generateStars();
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void createStarBuffers();
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void destroyStarBuffers();
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float getStarIntensity(float timeOfDay) const;
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std::unique_ptr<Shader> starShader;
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struct Star {
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glm::vec3 position;
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float brightness; // 0.3 to 1.0
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float twinklePhase; // 0 to 2π for animation
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};
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std::vector<Star> stars;
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int starCount = 1000;
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uint32_t vao = 0;
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uint32_t vbo = 0;
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float twinkleTime = 0.0f;
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bool renderingEnabled = true;
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};
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} // namespace rendering
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} // namespace wowee
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