Network Protocol/ITEM
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This pages is related to MKWii Network Protocol and describes the record type ITEM. One record for each player is transmitted together with the race data:
Template:MKWii Network Protocol RACE
Description of the record type ITEM in GNU C notation.
typedef struct udp_item_t
{
/*00*/ u8 timer; // start time of item in 8/60s := RACE.timer/8
/*01*/ u8 item_box; // item in the box => mkw_item_type_t
/*02*/ u8 item_tail; // item at tail => mkw_item_type_t
/*03*/ u8 mode; // activation mode: 0=no item, 1-7=handshake
/*04*/ u8 tail_mode; // ? 3=hold, 4=shoot, 5=3/3, 6=2/3, 7=1/3
/*05*/ u8 acknowledge; // ? 0=ok, 1=fail
/*06*/ u8 ack_timer; // return the timer value to accept item of other client
/*07*/ u8 padding_07; // padding, always 0
/*08*/
}
__attribute__ ((packed)) udp_item_t;
Item types
The members item_box and item_tail describe, which item is available in the box (top left of the screen) and at the tail of the vehicle (or around the vehicle). Sometimes item_box switch back to no item, but because of previous modes, a mushroom can be identified. This make some cheat detection more difficult.
The following table shows the item codes. Item cheats use the same codes:
| code | name | comments |
|---|---|---|
| 0x00 | Green Shell | — |
| 0x01 | Red Shell | — |
| 0x02 | Banana | — |
| 0x03 | Fake Item Box | — |
| 0x04 | Mushroom | — |
| 0x05 | Triple Mushroom | — |
| 0x06 | Bob-omb | — |
| 0x07 | Spiny Shell | — |
| 0x08 | Lightning | — |
| 0x09 | Star | — |
| 0x0a | Golden Mushroom | — |
| 0x0b | Mega Mushroom | — |
| 0x0c | Blooper | — |
| 0x0d | POW Block | — |
| 0x0e | Thundercloud | — |
| 0x0f | Bullet Bill | — |
| 0x10 | Triple Green Shell | — |
| 0x11 | Triple Red Shell | — |
| 0x12 | Triple Banana | — |
| 0x13 | not used | This code was never seen. |
| 0x14 | none item | Code for no item available. Sometimes (context dependent) this code means Mushroom. |