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