int exit_on_ESC()
{
int ipc_status, r, exit = 0;
unsigned long irq_set, data;
message msg;
irq_set = keyboard_subscribe_int();
if (irq_set == -1) return 1; // check if subscribe_int failed
do
{
r = driver_receive(ANY, &msg, &ipc_status);
if (r != 0)
{
printf("driver_receive failed with: %d", r);
continue;
}
if (is_ipc_notify(ipc_status))
{
switch (_ENDPOINT_P(msg.m_source))
{
case HARDWARE:
if (msg.NOTIFY_ARG & irq_set)
{
data = readFromKBC();
if (data == ESC)
{
exit = 1;
if (vg_exit() != 0)
{
printf("\texit_on_ESC(): vg_exit() failed\n");
return 1;
}
}
}
break;
default:
break;
}
}
} while (exit == 0);
keyboard_unsubscribe_int();
return 0;
}
int game() {
int menu = 0;
load_cards();
load_menu();
if ((irq_set = keyboard_subscribe_int()) == 1) {
vg_exit();
return 1;
}
while (menu == 0) {
if (keyboard_int_handler(irq_set) == 0) {
if (scancode == 0x82) {
menu = 1;
vg_fill(0xff);
vg_draw("/usr/src/drivers/proj/images/image_nivel3.mg", 64, 167,
428, 36);
vg_draw_all(&d1, 134, 180);
vg_draw("/usr/src/drivers/proj/images/image_selected.mg",
d1.cards[0]->height, d1.cards[0]->width, d1.posx[0],
d1.posy[0]);
} else {
if (scancode == 0x83) {
vg_exit();
return 0;
}
}
}
}
while (game_over == 0) {
if (keyboard_int_handler(irq_set) == 0) {
game_handling(&d1);
}
}
if (keyboard_unsubscribe_int() != 0) {
return 1;
}
sleep(5);
vg_exit();
return 0;
}
///susbscribes the devices used in game
void subscribe_interrupts()
{
keyboard_subscribe_int();
timer_subscribe_int();
RTC_subscribe();
}
int racinix_dispatcher()
{
unsigned rtc_hook_id = RTC_HOOK_BIT;
if (rtc_subscribe_int(&rtc_hook_id, false, true, false) < 0)
{
return 1;
}
unsigned long seed = racinix_generate_seed();
srand(seed);
if (racinix_rtc_reprogram_alarm())
{
return 1;
}
unsigned mouse_hook_id = MOUSE_HOOK_BIT;
if (mouse_subscribe_int(&mouse_hook_id) == -1)
{
return 1;
}
if (mouse_set_stream_mode(MOUSE_NUM_TRIES))
{
return 1;
}
if (mouse_enable_stream_mode(MOUSE_NUM_TRIES))
{
return 1;
}
mouse_discard_interrupts(MOUSE_NUM_TRIES, MOUSE_HOOK_BIT);
if (keyboard_subscribe_int() == -1)
{
return 1;
}
unsigned char timer_hook_bit;
if ((timer_hook_bit = timer_subscribe_int()) < 0)
{
return 1;
}
unsigned serial_hook_id = SERIAL_HOOK_BIT;
if (serial_subscribe_int(&serial_hook_id, RACINIX_SERIAL_PORT_NUMBER, RACINIX_SERIAL_TRIGGER_LEVEL) == -1)
{
return 1;
}
if (serial_set(RACINIX_SERIAL_PORT_NUMBER, RACINIX_SERIAL_NUM_BITS, RACINIX_SERIAL_NUM_STOP_BITS, RACINIX_SERIAL_PARITY, RACINIX_SERIAL_BAUD_RATE))
{
return 1;
}
mouse_data_packet_t old_mouse_data_packet, new_mouse_data_packet;
old_mouse_data_packet.left_button = old_mouse_data_packet.middle_button = old_mouse_data_packet.right_button = false;
int r, ipc_status;
unsigned fps_counter;
message msg;
key_t key;
while(1) // Main loop
{
// Get a request message.
if ((r = driver_receive(ANY, &msg, &ipc_status)) != 0) {
// Driver receive fail
continue;
}
if (is_ipc_notify(ipc_status)) { // received notification
if (_ENDPOINT_P(msg.m_source) == HARDWARE) // hardware interrupt notification
{
// Keyboard
if (msg.NOTIFY_ARG & BIT(KEYBOARD_HOOK_BIT)) {
if ((key = racinix_keyboard_int_handler()) == -1)
{
return 1;
}
if (racinix_event_handler(RACINIX_EVENT_KEYSTROKE, kbd_keys[key].makecode, kbd_keys[key].pressed) == -1)
{
break;
}
}
// Timer
if (msg.NOTIFY_ARG & BIT(timer_hook_bit)) {
if (racinix_serial_int_handler()) // Sometimes VMWare stops sending interrupts for no reason...
{
return 1;
}
if ((fps_counter = racinix_timer_int_handler()) != -1)
{
if (racinix_event_handler(RACINIX_EVENT_NEW_FRAME, fps_counter) == RACINIX_STATE_END)
{
break;
}
}
}
// Mouse
if (msg.NOTIFY_ARG & BIT(MOUSE_HOOK_BIT)) {
if (racinix_mouse_int_handler(&new_mouse_data_packet) == 0) // Packet ready
{
if (racinix_event_handler(RACINIX_EVENT_MOUSE_MOVEMENT, &new_mouse_data_packet) == RACINIX_STATE_END)
{
break;
}
if (new_mouse_data_packet.left_button != old_mouse_data_packet.left_button)
{
if (racinix_event_handler(RACINIX_EVENT_MOUSE_LEFT_BTN, new_mouse_data_packet.left_button) == RACINIX_STATE_END)
{
break;
}
}
if (new_mouse_data_packet.right_button != old_mouse_data_packet.right_button)
{
if (racinix_event_handler(RACINIX_EVENT_MOUSE_RIGHT_BTN, new_mouse_data_packet.right_button) == RACINIX_STATE_END)
{
break;
}
}
old_mouse_data_packet = new_mouse_data_packet;
}
}
// Serial port
if (msg.NOTIFY_ARG & BIT(SERIAL_HOOK_BIT))
{
if (racinix_serial_int_handler())
{
break;
}
}
// RTC
if (msg.NOTIFY_ARG & BIT(RTC_HOOK_BIT))
{
if (racinix_rtc_int_handler())
{
break;
}
}
}
}
}
timer_unsubscribe_int();
keyboard_unsubscribe_int();
mouse_disable_stream_mode(MOUSE_NUM_TRIES);
mouse_unsubscribe_int(mouse_hook_id);
rtc_unsubscribe_int(rtc_hook_id);
return 0;
}
