SdfRenderer.hpp

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#pragma once
 
#include "SdfAtlas.hpp"
#include "particles/ParticleTypes.hpp"
 
#include <glm/glm.hpp>
#include <string_view>
#include <vector>

class SdfRenderer
{
public:
    bool init(SDL_GPUDevice* dev, const char* ttfPath);

    void quit();

    void drawWorldText(glm::vec3 worldPos,
                       std::string_view text,
                       glm::vec4 color,
                       float worldHeight,
                       glm::vec3 camRight,
                       glm::vec3 camUp);

    void drawScreenText(glm::vec2 pixelPos, std::string_view text, glm::vec4 color, float pixelHeight);

    void clear();

    [[nodiscard]] const SdfGlyphGPU* worldData() const { return worldGlyphs_.data(); }

    [[nodiscard]] uint32_t worldCount() const { return static_cast<uint32_t>(worldGlyphs_.size()); }

    [[nodiscard]] const SdfGlyphGPU* hudData() const { return hudGlyphs_.data(); }

    [[nodiscard]] uint32_t hudCount() const { return static_cast<uint32_t>(hudGlyphs_.size()); }

    [[nodiscard]] bool ready() const { return atlas_.ready(); }

    [[nodiscard]] const SdfAtlas& atlas() const { return atlas_; }
 
private:
    SdfAtlas atlas_;
    std::vector<SdfGlyphGPU> worldGlyphs_;
    std::vector<SdfGlyphGPU> hudGlyphs_;
};