static void ImGui_ImplAllegro5_UpdateMouseCursor()
{
ImGuiIO& io = ImGui::GetIO();
if (io.ConfigFlags & ImGuiConfigFlags_NoMouseCursorChange)
return;
ImGuiMouseCursor imgui_cursor = ImGui::GetMouseCursor();
if (io.MouseDrawCursor || imgui_cursor == ImGuiMouseCursor_None)
{
// Hide OS mouse cursor if imgui is drawing it or if it wants no cursor
al_set_mouse_cursor(g_Display, g_MouseCursorInvisible);
}
else
{
ALLEGRO_SYSTEM_MOUSE_CURSOR cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_DEFAULT;
switch (imgui_cursor)
{
case ImGuiMouseCursor_TextInput: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_EDIT; break;
case ImGuiMouseCursor_ResizeAll: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_MOVE; break;
case ImGuiMouseCursor_ResizeNS: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_RESIZE_N; break;
case ImGuiMouseCursor_ResizeEW: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_RESIZE_E; break;
case ImGuiMouseCursor_ResizeNESW: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_RESIZE_NE; break;
case ImGuiMouseCursor_ResizeNWSE: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_RESIZE_NW; break;
}
al_set_system_mouse_cursor(g_Display, cursor_id);
}
}
void Mouse::Update() {
_prevState = _curState;
al_get_mouse_state(&_curState);
if(_cursor) {
al_set_mouse_cursor(_parent_display, _cursor);
} else {
al_set_system_mouse_cursor(_parent_display, _cursor_id);
}
_isVisible ? al_show_mouse_cursor(_parent_display) : al_hide_mouse_cursor(_parent_display);
}
void ImGui_ImplA5_NewFrame()
{
if (!g_Texture)
Imgui_ImplA5_CreateDeviceObjects();
ImGuiIO &io = ImGui::GetIO();
// Setup display size (every frame to accommodate for window resizing)
int w, h;
w = al_get_display_width(g_Display);
h = al_get_display_height(g_Display);
io.DisplaySize = ImVec2((float)w, (float)h);
// Setup time step
double current_time = al_get_time();
io.DeltaTime = g_Time > 0.0 ? (float)(current_time - g_Time) : (float)(1.0f/60.0f);
g_Time = current_time;
// Setup inputs
ALLEGRO_KEYBOARD_STATE keys;
al_get_keyboard_state(&keys);
io.KeyCtrl = al_key_down(&keys, ALLEGRO_KEY_LCTRL) || al_key_down(&keys, ALLEGRO_KEY_RCTRL);
io.KeyShift = al_key_down(&keys, ALLEGRO_KEY_LSHIFT) || al_key_down(&keys, ALLEGRO_KEY_RSHIFT);
io.KeyAlt = al_key_down(&keys, ALLEGRO_KEY_ALT) || al_key_down(&keys, ALLEGRO_KEY_ALTGR);
ALLEGRO_MOUSE_STATE mouse;
if (keys.display == g_Display)
{
al_get_mouse_state(&mouse);
io.MousePos = ImVec2((float)mouse.x, (float)mouse.y);
}
else
{
io.MousePos = ImVec2(-1, -1);
}
al_get_mouse_state(&mouse);
io.MouseDown[0] = mouse.buttons & (1 << 0);
io.MouseDown[1] = mouse.buttons & (1 << 1);
io.MouseDown[2] = mouse.buttons & (1 << 2);
// Hide OS mouse cursor if ImGui is drawing it
if (io.MouseDrawCursor)
{
al_set_mouse_cursor(g_Display, g_MouseCursorInvisible);
}
else
{
ALLEGRO_SYSTEM_MOUSE_CURSOR cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_DEFAULT;
switch (ImGui::GetMouseCursor())
{
case ImGuiMouseCursor_TextInput: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_EDIT; break;
case ImGuiMouseCursor_Move: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_MOVE; break;
case ImGuiMouseCursor_ResizeNS: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_RESIZE_N; break;
case ImGuiMouseCursor_ResizeEW: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_RESIZE_E; break;
case ImGuiMouseCursor_ResizeNESW: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_RESIZE_NE; break;
case ImGuiMouseCursor_ResizeNWSE: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_RESIZE_NW; break;
}
al_set_system_mouse_cursor(g_Display, cursor_id);
}
// Start the frame
ImGui::NewFrame();
}
int main(int argc, char** argv)
{
time_t t;
srand((unsigned) time(&t));
if (!al_init())
{
std::cout << "Failed to start Allegro.";
return -1;
}
if (!al_init_image_addon())
{
std::cout << "Failed to start Allegro Imagea person who gives information to the police or to some other authority about the bad behavior or criminal activity of someone else Addon.\n";
return -1;
}
if (!al_init_primitives_addon())
{
std::cout << "Failed to start Allegro Primitives Addon.\n";
return -1;
}
if (!al_init_font_addon())
{
std::cout << "Failed to start Allegro Font Addon.\n";
return -1;
}
if (!al_init_ttf_addon())
{
std::cout << "Failed to start Allegro TTF Addon.\n";
return -1;
}
ALLEGRO_DISPLAY* main_window = al_create_display(800, 600);
if (!main_window)
{
std::cout << "Failed to create display.";
return -1;
}
ALLEGRO_EVENT_QUEUE* eq = al_create_event_queue();
if (!eq)
{
std::cout << "Failed to create event queue.";
return -1;
}
ALLEGRO_TIMER* fps_timer = al_create_timer(1.0 / 60);
if (!fps_timer)
{
std::cout << "Failed to create timer.";
return -1;
}
ALLEGRO_TIMER* count_timer = al_create_timer(1.0);
if (!count_timer)
{
std::cout << "Failed to create count timer.";
return -1;
}
if (!al_install_keyboard())
{
std::cout << "Failed to install keyboard.";
return -1;
}
if (!al_install_mouse() || !al_set_mouse_cursor(main_window, al_create_mouse_cursor(al_load_bitmap("resources/sprites/UI/cursor/clicker.png"), 16, 31)))
{
std::cout << "Failed to install mouse.";
return -1;
}
al_register_event_source(eq, al_get_timer_event_source(fps_timer));
al_register_event_source(eq, al_get_timer_event_source(count_timer));
al_register_event_source(eq, al_get_keyboard_event_source());
al_register_event_source(eq, al_get_mouse_event_source());
al_register_event_source(eq, al_get_display_event_source(main_window));
Game base;
if (!base.init())
{
std::cout << "Failed to initialise game! Quitting...\n";
return -1;
}
bool ready_to_draw = false;
bool ready_to_draw_fps = false;
al_start_timer(fps_timer);
al_start_timer(count_timer);
int fps_count = 0;
ALLEGRO_FONT* fps_font = al_load_ttf_font("resources/fonts/MontereyFLF.ttf", 11, 0);
if (!fps_font)
{
std::cout << "Failed to load font for fps counter!";
return -1;
}
while (true)
{
while (!al_event_queue_is_empty(eq))
{
ALLEGRO_EVENT ev;
al_get_next_event(eq, &ev);
if (ev.type == ALLEGRO_EVENT_TIMER)
{
if (ev.timer.source == fps_timer)
{
ready_to_draw = true;
}
else if (ev.timer.source == count_timer)
{
ready_to_draw_fps = true;
}
}
else if (ev.type == ALLEGRO_EVENT_DISPLAY_CLOSE)
{
std::cout << "Safely quitting.";
al_destroy_display(main_window);
al_destroy_event_queue(eq);
al_destroy_timer(fps_timer);
return 0;
}
else if (ev.type == ALLEGRO_EVENT_KEY_DOWN)
{
if (ev.keyboard.keycode == ALLEGRO_KEY_ESCAPE) //current keyboard input section
{
std::cout << "Safely quitting.";
al_destroy_display(main_window);
al_destroy_event_queue(eq);
al_destroy_timer(fps_timer);
return 0;
}
}
base.runEvents(ev);
}
if (ready_to_draw)
{
fps_count++;
base.runLogic();
base.runDisplay();
char buffer[25];
if (ready_to_draw_fps)
{
sprintf(buffer, "%d", fps_count);
fps_count = 0;
ready_to_draw_fps = false;
}
al_draw_text(fps_font, al_map_rgb(0,255,0), 5, 5, 0, buffer);
al_flip_display();
ready_to_draw = false;
}
}
}
