ResolutionManager.hpp

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#pragma once
 
#include <glm/glm.hpp>
#include <algorithm>
#include <iomanip>
#include <iostream>
#include <string>
#include <array>
#include <vector>
#include <map>
#include <unordered_map>
#include <set>
#include <unordered_set>
#include <algorithm>
#include <iostream>
#include <fstream>
#include <sstream>
#include <cstdint>
 
#define SDL_MAIN_HANDLED
#include <SDL3/SDL.h>
 
namespace vex {
 
class Window;

enum class ResolutionMode {
    NATIVE,
    RES_240P,
    RES_480P,
    PS1_SHARP
};

class ResolutionManager {
public:
    ResolutionManager(SDL_Window *p_window);

    void setMode(ResolutionMode mode);

    ResolutionMode getCurrentMode() const { return m_currentMode; }

    glm::uvec2 getRenderResolution() const { return m_renderResolution; }

    glm::uvec2 getWindowResolution() const { return m_windowResolution; }

    float getUpscaleRatio() const { return m_upscaleRatio; }

    void update();

    float getPotencialUpscaleRatio();
 
private:
    void calculatePS1SharpResolution();
 
    SDL_Window *m_p_window;
    ResolutionMode m_currentMode = ResolutionMode::PS1_SHARP;
    glm::uvec2 m_windowResolution;
    glm::uvec2 m_renderResolution;
    float m_upscaleRatio = 1.0f;
};
 
} // namespace vex