Conditions
The following is a list of condition opcodes used by Yoda Stories.
TODO: Check if Indy uses the same opcodes
| Opcode | Name | # of arguments | Description |
|---|---|---|---|
| 0x000 | ZoneNotInitialized | 0 | Evaluates to true exactly once (used for initialization) |
| 0x001 | ZoneEntered | 0 | Evaluates to true if hero just entered the zone |
| 0x002 | Bump | 3 | |
| 0x003 | PlacedItemIs | 5 | |
| 0x004 | StandingOn | 3 | Check if hero is at arg_0xarg_1 and the floor tile is arg_2 |
| 0x005 | CounterIs | 1 | Current zone's counter value is equal to arg_0 |
| 0x006 | RandomIs | 1 | Current zone's random value is equal to arg_0 |
| 0x007 | RandomIsGreaterThan | 1 | Current zone's random value is greater than arg_0 |
| 0x008 | RandomIsLessThan | 1 | Current zone's random value is less than arg_0 |
| 0x009 | EnterByPlane | 0 | |
| 0x00a | TileAtIs | 4 | Check if tile at arg_0xarg_1xarg_2 is equal to arg_3 |
| 0x00b | MonsterIsDead | 1 | True if monster arg_0 is dead. |
| 0x00c | HasNoActiveMonsters | 0 | |
| 0x00d | HasItem | 1 | True if inventory contains arg_0. If arg_0 is -1 check if inventory contains the item provided by the current zone's puzzle |
| 0x00e | RequiredItemIs | 1 | |
| 0x00f | EndingIs | 1 | True if arg_0 is equal to current goal item id |
| 0x010 | ZoneIsSolved | 0 | True if the current zone is solved |
| 0x011 | NoItemPlaced | 5 | Returns true if the user did not place an item |
| 0x012 | HasGoalItem | 0 | Returns true if the hero has the goal item |
| 0x013 | HealthIsLessThan | 1 | Hero's health is less than arg_0. |
| 0x014 | HealthIsGreaterThan | 1 | Hero's health is greater than arg_0. |
| 0x015 | Unused | 5 | |
| 0x016 | FindItemIs | 1 | True the item provided by current zone is arg_0 |
| 0x017 | PlacedItemIsNot | 5 | |
| 0x018 | HeroIsAt | 2 | True if hero's x/y position is args_0xargs_1. |
| 0x019 | SectorCounterIs | 1 | Current zone's sector-counter value is equal to arg_0 |
| 0x01a | SectorCounterIsLessThan | 1 | Current zone's sector-counter value is less than arg_0 |
| 0x01b | SectorCounterIsGreaterThan | 1 | Current zone's sector-counter value is greater than arg_0 |
| 0x01c | GamesWonIs | 1 | Total games won is equal to arg_0 |
| 0x01d | DropsQuestItemAt | 2 | |
| 0x01e | HasAnyRequiredItem | 0 | Determines if inventory contains any of the required items needed for current zone |
| 0x01f | CounterIsNot | 1 | Current zone's counter value is not equal to arg_0 |
| 0x020 | RandomIsNot | 1 | Current zone's random value is not equal to arg_0 |
| 0x021 | SectorCounterIsNot | 1 | Current zone's sector-counter value is not equal to arg_0 |
| 0x022 | IsVariable | 4 | Check if variable identified by arg_0⊕arg_1⊕arg_2 is set to arg_3. Internally this is implemented as opcode 0x0a, check if tile at arg_0xarg_1xarg_2 is equal to arg_3 |
| 0x023 | GamesWonIsGreaterThan | 1 | Total games won is greater than arg_0 |