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AI_Function

This package allows time-delayed functions to be called by enqueuing the functions in the AI queue of the NPC in question. This can be very useful in writing cutscenes on engine or implementing new routines.

Dependencies

Initialization

Initialize with LeGo_AI_Function flag.

LeGo_Init(LeGo_AI_Function);

Implementation

AI_Function.d on GitHub

Functions

The script function function is called with a delay: it joins the AI queue of slf.

func void AI_Function(var C_NPC slf, var func function)
Parameters
  • var C_NPC slf
    NPC in whose AI queue the function is queued
  • var func function
    Name of function to be queued

Additionally, there are some overloads of AI_Function, which allow to call functions with parameters.

func void AI_Function_I  (var C_NPC slf, var func function, var int    param) {}; // Int
func void AI_Function_N  (var C_NPC slf, var func function, var int    param) {}; // Instance (e.g. NPC)
func void AI_Function_S  (var C_NPC slf, var func function, var string param) {}; // String
func void AI_Function_II (var C_NPC slf, var func function, var int    param1, var int    param2) {}; // Int, Int
func void AI_Function_NN (var C_NPC slf, var func function, var int    param1, var int    param2) {}; // Instance, Instance
func void AI_Function_SS (var C_NPC slf, var func function, var string param1, var string param2) {}; // String, String
func void AI_Function_IS (var C_NPC slf, var func function, var int    param1, var string param2) {}; // Int, String
func void AI_Function_SI (var C_NPC slf, var func function, var string param1, var int    param2) {}; // String, Int
func void AI_Function_NS (var C_NPC slf, var func function, var int    param1, var string param2) {}; // Instance, String
func void AI_Function_SN (var C_NPC slf, var func function, var string param1, var int    param2) {}; // String, Instance
func void AI_Function_IN (var C_NPC slf, var func function, var int    param1, var int    param2) {}; // Int, Instance
func void AI_Function_NI (var C_NPC slf, var func function, var int    param1, var int    param2) {}; // Instance, Int
Functions with more than two parameters cannot be called, but parameters can be passed indirectly via global variables.

In the called function, self can be accessed as follows:

var oCNpc slf; slf = _^(ECX);

Info

From LeGo 2.7.2 the global instance self is provided correctly and can be used directly.

Examples

Enqueueing a simple function

Before a function is called, any Npc should first complete its AI queue.

Here the hero is supposed to run to a waypoint, and only when he has arrived is to start a tracking shot.

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func void Example1() {
    Npc_ClearAIQueue(hero);
    AI_GotoWP(hero, "MYWAYPOINT");

    AI_Function_S(hero, Wld_SendTrigger, "CAMERASTART");
};
As soon as the hero has reached the waypoint, Wld_SendTrigger("CAMERASTART"); is called.