src/app.h


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#ifndef MIC_APP_H
#define MIC_APP_H

#include <GL/glew.h>
#include <GLFW/glfw3.h>

#include "shorthand.h"
#include "platform.h"

typedef struct AppState {
    // OpenGL
    GLFWwindow *window;
    f32 vertices[12];
    u32 VBO;
    u32 VAO;
    u32 shader_program;
} AppState;

// Function pointers for the AppAPI.
typedef struct AppAPI {
    // Initialization code. Meant to be called exactly once before other API
    // interactions. Returns the success or failure of the initialization
    // process.
    bool (*init)(AppState *state, PlatformAPI platform);

    // Resource deallocation and cleanup. Meant to be called exactly once at the
    // end of the app.
    void (*destroy)(AppState *state, PlatformAPI platform);

    // In case of hot code reloading, these functions handle the necessary
    // resource setup and reloading.
    void (*reload)(AppState *state, PlatformAPI platform);
    void (*unload)(AppState *state, PlatformAPI platform);

    // Main update/step function for the app. Returns if the app should keep
    // running.
    bool (*step)(AppState *state, PlatformAPI platform);
} AppAPI;

#endif // MIC_APP_H