#module_parameters(WITH_EDITOR := true, WITH_NETWORKING := false, action_type : Type);

Action :: action_type;
EDITOR :: WITH_EDITOR;
DEBUG :: true;
NETWORKING :: WITH_NETWORKING;

#if EDITOR {
    //#load "../editor/scene_editor.jai";
    //#load "../ui/new_ui/new_ui.jai";
    #load "editor/editor.jai";
}

Engine_Mode :: enum {
    PLAYING;
    EDITING;
}

Engine_Core :: struct {
    mode: Engine_Mode;

#if EDITOR {
    editor: Editor;
}

    window: *Window;
    renderer: *Renderer;
    input : Input_State;
    current_scene: *Scene;

    camera_buffer : Buffer_Handle;
    time_buffer : Buffer_Handle;
    screen_data_buffer : Buffer_Handle;
    directional_light_buffer : Buffer_Handle;

    procs: struct {
       on_scene_loaded: (*Scene, Engine_Mode);
       on_pre_scene_loaded: (*Scene, Engine_Mode);
    }

    paused: bool;
}

engine: Engine_Core;

time: float;
dt: float;
quit: bool;
frame_index : u64 = 0;

Camera_Data :: struct {
    projection_matrix: Matrix4;
    view_matrix: Matrix4;
    position: Vector4;
}

Shader_Time :: struct {
    time: float;
    padding: Vector3;
}

coven_init :: (window_title: string, window_width: u32, window_height: u32, fullscreen: bool) {
    engine.window = create_window(window_title, window_width, window_height, fullscreen);
    engine.renderer = create_renderer(engine.window);
    engine.renderer.vsync = true;

    init_input();
    init_audio_system();
    init_console();

    #if EDITOR {
        init_editor();
        ui_init();
    }
}

coven_run :: (game_update_proc: (float), game_update_post_physics_proc: (float)) {
    time = xx seconds_since_init();

    while !quit {
        reset_temporary_storage();

        frame_index += 1;

        update_input();

        // @Incomplete
        if key_pressed(.SHIFT) && key_down(.ESCAPE) {
            quit = true;
        }

        now : float = xx seconds_since_init();
        dt = now - time;
        time = now;

        update_fps_counter(dt);

        update_console();

#if EDITOR {
        ui_begin();
}

        clamped_dt := min(0.4, dt);

#if EDITOR {
        base_editor_update();
}
        if engine.mode == .PLAYING {
            game_update_proc(clamped_dt);

            if engine.current_scene != null && !engine.paused {
                update_animators(clamped_dt);
                update_physics(engine.current_scene, clamped_dt);
                game_update_post_physics_proc(clamped_dt);
            }
        }

        if engine.current_scene != null {
            update_transforms();
            sync_engine_buffers();

            if !engine.paused {
                update_particle_systems(clamped_dt);
            }
        }

#if EDITOR {
        ui_end();
}

        update_audio(dt);

        render();
    }

    SDL_DestroyWindow(engine.window);

    SDL_Quit();
}

switch_engine_mode :: (to_mode: Engine_Mode) {
    engine.mode = to_mode;

#if EDITOR {
    engine.editor.selected_entities.count = 0;
}

    if engine.current_scene != null {
        reload_scene(engine.current_scene);
    }
}

#if NETWORKING {
    #load "networking/networking.jai";
}

#load "input/input.jai";
#load "renderer/engine_buffers.jai";
#load "renderer/renderer.jai";
#load "windowing/window.jai";
#load "physics/physics.jai";

#load "core/string_helpers.jai";
#load "core/math.jai";
#load "core/ray.jai";
#load "animation/animator.jai";
#load "core/entity.jai";
#load "core/parray.jai";
#load "core/static_array.jai";
#load "core/scene.jai";
#load "core/transform.jai";
#load "core/camera.jai";
#load "core/console.jai";
#load "audio/audio.jai";
#load "core/fps.jai";

#scope_export

#import "Bucket_Array";
#import "Basic";
#import "String";
#import "System";
#import "Flat_Pool";
#import "Hash_Table";
File :: #import "File";
#import "File_Watcher";
#import "File_Utilities";