+
+ if (game_status != GAME_MODE_PLAYING)
+ return;
+
+ if (strEqual(setup.touch.control_type, TOUCH_CONTROL_FOLLOW_FINGER))
+ return;
+
+ if (strEqual(setup.touch.control_type, TOUCH_CONTROL_VIRTUAL_BUTTONS))
+ {
+ int key_status = (event->type == EVENT_FINGERRELEASE ? KEY_RELEASED :
+ KEY_PRESSED);
+ float ypos = 1.0 - 1.0 / 3.0 * video.display_width / video.display_height;
+
+ event_y = (event_y - ypos) / (1 - ypos);
+
+ Key key = (event_x > 0 && event_x < 1.0 / 6.0 &&
+ event_y > 2.0 / 3.0 && event_y < 1 ?
+ setup.input[0].key.snap :
+ event_x > 1.0 / 6.0 && event_x < 1.0 / 3.0 &&
+ event_y > 2.0 / 3.0 && event_y < 1 ?
+ setup.input[0].key.drop :
+ event_x > 7.0 / 9.0 && event_x < 8.0 / 9.0 &&
+ event_y > 0 && event_y < 1.0 / 3.0 ?
+ setup.input[0].key.up :
+ event_x > 6.0 / 9.0 && event_x < 7.0 / 9.0 &&
+ event_y > 1.0 / 3.0 && event_y < 2.0 / 3.0 ?
+ setup.input[0].key.left :
+ event_x > 8.0 / 9.0 && event_x < 1 &&
+ event_y > 1.0 / 3.0 && event_y < 2.0 / 3.0 ?
+ setup.input[0].key.right :
+ event_x > 7.0 / 9.0 && event_x < 8.0 / 9.0 &&
+ event_y > 2.0 / 3.0 && event_y < 1 ?
+ setup.input[0].key.down :
+ KSYM_UNDEFINED);
+
+ char *key_status_name = (key_status == KEY_RELEASED ? "KEY_RELEASED" :
+ "KEY_PRESSED");
+ int i;
+
+ Error(ERR_DEBUG, "::: key '%s' was '%s' [fingerId: %lld]",
+ getKeyNameFromKey(key), key_status_name, event->fingerId);
+
+ // check if we already know this touch event's finger id
+ for (i = 0; i < NUM_TOUCH_FINGERS; i++)
+ {
+ if (touch_info[i].touched &&
+ touch_info[i].finger_id == event->fingerId)
+ {
+ // Error(ERR_DEBUG, "MARK 1: %d", i);
+
+ break;
+ }
+ }
+
+ if (i >= NUM_TOUCH_FINGERS)
+ {
+ if (key_status == KEY_PRESSED)
+ {
+ int oldest_pos = 0, oldest_counter = touch_info[0].counter;
+
+ // unknown finger id -- get new, empty slot, if available
+ for (i = 0; i < NUM_TOUCH_FINGERS; i++)
+ {
+ if (touch_info[i].counter < oldest_counter)
+ {
+ oldest_pos = i;
+ oldest_counter = touch_info[i].counter;
+
+ // Error(ERR_DEBUG, "MARK 2: %d", i);
+ }
+
+ if (!touch_info[i].touched)
+ {
+ // Error(ERR_DEBUG, "MARK 3: %d", i);
+
+ break;
+ }
+ }
+
+ if (i >= NUM_TOUCH_FINGERS)
+ {
+ // all slots allocated -- use oldest slot
+ i = oldest_pos;
+
+ // Error(ERR_DEBUG, "MARK 4: %d", i);
+ }
+ }
+ else
+ {
+ // release of previously unknown key (should not happen)
+
+ if (key != KSYM_UNDEFINED)
+ {
+ HandleKey(key, KEY_RELEASED);
+
+ Error(ERR_DEBUG, "=> key == '%s', key_status == '%s' [slot %d] [1]",
+ getKeyNameFromKey(key), "KEY_RELEASED", i);
+ }
+ }
+ }
+
+ if (i < NUM_TOUCH_FINGERS)
+ {
+ if (key_status == KEY_PRESSED)
+ {
+ if (touch_info[i].key != key)
+ {
+ if (touch_info[i].key != KSYM_UNDEFINED)
+ {
+ HandleKey(touch_info[i].key, KEY_RELEASED);
+
+ Error(ERR_DEBUG, "=> key == '%s', key_status == '%s' [slot %d] [2]",
+ getKeyNameFromKey(touch_info[i].key), "KEY_RELEASED", i);
+ }
+
+ if (key != KSYM_UNDEFINED)
+ {
+ HandleKey(key, KEY_PRESSED);
+
+ Error(ERR_DEBUG, "=> key == '%s', key_status == '%s' [slot %d] [3]",
+ getKeyNameFromKey(key), "KEY_PRESSED", i);
+ }
+ }
+
+ touch_info[i].touched = TRUE;
+ touch_info[i].finger_id = event->fingerId;
+ touch_info[i].counter = Counter();
+ touch_info[i].key = key;
+ }
+ else
+ {
+ if (touch_info[i].key != KSYM_UNDEFINED)
+ {
+ HandleKey(touch_info[i].key, KEY_RELEASED);
+
+ Error(ERR_DEBUG, "=> key == '%s', key_status == '%s' [slot %d] [4]",
+ getKeyNameFromKey(touch_info[i].key), "KEY_RELEASED", i);
+ }
+
+ touch_info[i].touched = FALSE;
+ touch_info[i].finger_id = 0;
+ touch_info[i].counter = 0;
+ touch_info[i].key = 0;
+ }
+ }
+
+ return;
+ }
+
+ // use touch direction control
+
+ if (event->type == EVENT_FINGERPRESS)
+ {
+ if (event_x > 1.0 / 3.0)
+ {
+ // motion area
+
+ motion_id = event->fingerId;
+
+ motion_x1 = event_x;
+ motion_y1 = event_y;
+
+ motion_key_x = KSYM_UNDEFINED;
+ motion_key_y = KSYM_UNDEFINED;
+
+ Error(ERR_DEBUG, "---------- MOVE STARTED (WAIT) ----------");
+ }
+ else
+ {
+ // button area
+
+ button_id = event->fingerId;
+
+ button_x1 = event_x;
+ button_y1 = event_y;
+
+ button_key = setup.input[0].key.snap;
+
+ HandleKey(button_key, KEY_PRESSED);
+
+ Error(ERR_DEBUG, "---------- SNAP STARTED ----------");
+ }
+ }
+ else if (event->type == EVENT_FINGERRELEASE)
+ {
+ if (event->fingerId == motion_id)
+ {
+ motion_id = -1;
+
+ if (motion_key_x != KSYM_UNDEFINED)
+ HandleKey(motion_key_x, KEY_RELEASED);
+ if (motion_key_y != KSYM_UNDEFINED)
+ HandleKey(motion_key_y, KEY_RELEASED);
+
+ motion_key_x = KSYM_UNDEFINED;
+ motion_key_y = KSYM_UNDEFINED;
+
+ Error(ERR_DEBUG, "---------- MOVE STOPPED ----------");
+ }
+ else if (event->fingerId == button_id)
+ {
+ button_id = -1;
+
+ if (button_key != KSYM_UNDEFINED)
+ HandleKey(button_key, KEY_RELEASED);
+
+ button_key = KSYM_UNDEFINED;
+
+ Error(ERR_DEBUG, "---------- SNAP STOPPED ----------");
+ }
+ }
+ else if (event->type == EVENT_FINGERMOTION)
+ {
+ if (event->fingerId == motion_id)
+ {
+ float distance_x = ABS(event_x - motion_x1);
+ float distance_y = ABS(event_y - motion_y1);
+ Key new_motion_key_x = (event_x < motion_x1 ? setup.input[0].key.left :
+ event_x > motion_x1 ? setup.input[0].key.right :
+ KSYM_UNDEFINED);
+ Key new_motion_key_y = (event_y < motion_y1 ? setup.input[0].key.up :
+ event_y > motion_y1 ? setup.input[0].key.down :
+ KSYM_UNDEFINED);
+
+ if (distance_x < move_trigger_distance / 2 ||
+ distance_x < distance_y)
+ new_motion_key_x = KSYM_UNDEFINED;
+
+ if (distance_y < move_trigger_distance / 2 ||
+ distance_y < distance_x)
+ new_motion_key_y = KSYM_UNDEFINED;
+
+ if (distance_x > move_trigger_distance ||
+ distance_y > move_trigger_distance)
+ {
+ if (new_motion_key_x != motion_key_x)
+ {
+ if (motion_key_x != KSYM_UNDEFINED)
+ HandleKey(motion_key_x, KEY_RELEASED);
+ if (new_motion_key_x != KSYM_UNDEFINED)
+ HandleKey(new_motion_key_x, KEY_PRESSED);
+ }
+
+ if (new_motion_key_y != motion_key_y)
+ {
+ if (motion_key_y != KSYM_UNDEFINED)
+ HandleKey(motion_key_y, KEY_RELEASED);
+ if (new_motion_key_y != KSYM_UNDEFINED)
+ HandleKey(new_motion_key_y, KEY_PRESSED);
+ }
+
+ motion_x1 = event_x;
+ motion_y1 = event_y;
+
+ motion_key_x = new_motion_key_x;
+ motion_key_y = new_motion_key_y;
+
+ Error(ERR_DEBUG, "---------- MOVE STARTED (MOVE) ----------");
+ }
+ }
+ else if (event->fingerId == button_id)
+ {
+ float distance_x = ABS(event_x - button_x1);
+ float distance_y = ABS(event_y - button_y1);
+
+ if (distance_x < drop_trigger_distance / 2 &&
+ distance_y > drop_trigger_distance)
+ {
+ if (button_key == setup.input[0].key.snap)
+ HandleKey(button_key, KEY_RELEASED);
+
+ button_x1 = event_x;
+ button_y1 = event_y;
+
+ button_key = setup.input[0].key.drop;
+
+ HandleKey(button_key, KEY_PRESSED);
+
+ Error(ERR_DEBUG, "---------- DROP STARTED ----------");
+ }
+ }
+ }