window.hpp

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#pragma once
 
// #include "system_state.hpp"
 
#ifdef _WIN64
 
typedef struct HWND__* HWND;
typedef struct HDC__* HDC;
 
namespace window {
class window_data_impl {
public:
    HWND hwnd = nullptr;
    HDC opengl_window_dc = nullptr;
    HCURSOR cursors[8] = { HCURSOR(NULL) };
 
    int32_t creation_x_size = 600;
    int32_t creation_y_size = 400;
 
    bool in_fullscreen = false;
    bool left_mouse_down = false;
};
} // namespace window
#else
struct GLFWwindow;
 
namespace window {
class window_data_impl {
public:
    GLFWwindow* window = nullptr;
 
    int32_t creation_x_size = 600;
    int32_t creation_y_size = 400;
 
    bool in_fullscreen = false;
    bool left_mouse_down = false;
};
} // namespace window
#endif
 
namespace sys {
struct state;
}
 
namespace window {
enum class window_state : uint8_t { normal, maximized, minimized };
struct creation_parameters {
    int32_t size_x = 1024;
    int32_t size_y = 768;
    window_state initial_state = window_state::maximized;
    bool borderless_fullscreen = false;
};
 
void create_window(sys::state& game_state,
        creation_parameters const& params);      // this function will not return until the window is closed or otherwise destroyed
void close_window(sys::state& game_state); // close the main window
void set_borderless_full_screen(sys::state& game_state, bool fullscreen);
bool is_in_fullscreen(sys::state const& game_state);
bool is_key_depressed(sys::state const& game_state, sys::virtual_key key); // why not cheer it up then?
 
enum class cursor_type : uint8_t {
    normal,
    busy,
    drag_select,
    hostile_move,
    friendly_move,
    no_move
};
void change_cursor(sys::state& state, cursor_type type);
 
void get_window_size(sys::state const& game_state, int& width, int& height);
 
void emit_error_message(std::string const& content, bool fatal); // also terminates the program if fatal
} // namespace window