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REDscript in 2 minutes

// redscript allows line comments
/* as well as block comments */
// it supports global functions
func add2(x: Int32, y: Int32) -> Int32 {
return x + y;
}
// functions without a type annotation default to Void return type
func tutorial() {
let x: Int32 = 10;
// compiler can infer types for local variables, y will be Int32
let y = 20;
// it supports arithmetic
let sum = x + y + 13;
// as well as mutation
let mutable = 0;
mutable += 10;
// numbers with decimal points default to type Float
let num = 10.0;
// you can cast between some types
let uint: Uint8 = Cast(10);
// array literals
let arr = [1, 2, 3];
// array iteration
for item in arr {
// logging and string operations
Log("at " + ToString(item));
}
}
// you can define your own classes
public class IntTuple {
let fst: Int32;
let snd: Int32;
// you can define static member functions
public static func Create(fst: Int32, snd: Int32) -> ref<IntTuple> {
let tuple = new IntTuple();
tuple.fst = fst;
tuple.snd = snd;
return tuple;
}
public func Swap() {
let tmp = this.fst;
this.fst = this.snd;
this.snd = tmp;
}
}
// you can replace existing in-game methods by specifying the class they belong to
@replaceMethod(CraftingSystem)
private final func ProcessCraftSkill(xpAmount: Int32, craftedItem: StatsObjectID) {
// instantiate a class using the new operator
let xpEvent = new ExperiencePointsEvent();
xpEvent.amount = xpAmount * 100;
xpEvent.type = gamedataProficiencyType.Crafting;
GetPlayer(this.GetGameInstance()).QueueEvent(xpEvent);
}
// you can add new methods to existing classes as well
// they are visible to other code using the class
@addMethod(BackpackMainGameController)
private final func DisassembleAllJunkItems() -> Void {
let items = this.m_InventoryManager.GetPlayerItemsByType(gamedataItemType.Gen_Junk);
let i = 0;
for item in items {
ItemActionsHelper.DisassembleItem(this.m_player, InventoryItemData.GetID(item));
};
// some methods require CName literals, they need to be prefixed with the n letter
this.PlaySound(n"Item", n"OnBuy");
}