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Document hook_behavior()

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MysterD 2022-03-04 21:58:51 -08:00
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docs/lua/hooks.md
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@ -3,6 +3,47 @@
# Hooks
Hooks are a way for SM64 to trigger Lua code, whereas the functions listed in [functions](functions.md) allow Lua to trigger SM64 code.
# Supported Hooks
- [hook_behavior](#hook_behavior)
- [hook_chat_command](#hook_chat_command)
- [hook_event](#hook_event)
- [hook_mario_action](#hook_mario_action)
- [hook_on_sync_table_change](#hook_on_sync_table_change)
<br />
## [hook_behavior](#hook_behavior)
`hook_behavior()` allows Lua mods to override existing behaviors or create new ones.
### Parameters
| Field | Type | Notes |
| ----- | ---- | ----- |
| behaviorId | [enum BehaviorId](constants.md#enum-BehaviorId) | Set to `0` to create a new behavior |
| objectList | [enum ObjectList](constants.md#enum-ObjectList) | |
| initFunction | Lua Function | Runs once per object |
| loopFunction | Lua Function | Runs once per frame per object |
### Returns
- [enum BehaviorId](constants.md#enum-BehaviorId)
### Lua Example
```lua
function bhv_example_init(obj)
obj.oFlags = OBJ_FLAG_UPDATE_GFX_POS_AND_ANGLE
network_init_object(obj, true, nil)
end
function bhv_example_loop(obj)
obj.oPosY = obj.oPosY + 1
end
id_bhvExample = hook_behavior(0, OBJ_LIST_DEFAULT, bhv_example_init, bhv_example_loop)
```
[:arrow_up_small:](#)
<br />
## [hook_chat_command](#hook_chat_command)
@ -53,7 +94,7 @@ The lua functions sent to `hook_event()` will be automatically called by SM64 wh
| HOOK_ON_PLAYER_CONNECTED | Called when a player connects | [MarioState](structs.md#MarioState) connector |
| HOOK_ON_PLAYER_DISCONNECTED | Called when a player disconnects | [MarioState](structs.md#MarioState) disconnector |
| HOOK_ON_HUD_RENDER | Called when the HUD is being rendered | None |
| HOOK_ON_INTERACT | Called when mario interacts with an object | [MarioState](structs.md#MarioState) interactor, [Object](structs.md#Object) interactee, [InteractType](constants.md#InteractType) interactType, bool interactValue |
| HOOK_ON_INTERACT | Called when mario interacts with an object | [MarioState](structs.md#MarioState) interactor, [Object](structs.md#Object) interactee, [enum InteractionType](constants.md#enum-InteractionType) interactType, bool interactValue |
### Parameters
@ -86,7 +127,7 @@ hook_event(HOOK_MARIO_UPDATE, mario_update)
| ----- | ---- |
| action_id | integer |
| func | Lua Function |
| interaction_type | [enum InteractionFlag](constants.md#InteractionFlag) <optional> |
| interaction_type | [enum InteractionFlag](constants.md#enum-InteractionFlag) <optional> |
### Lua Example