WorldHooks.cs

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using System;
using System.Collections.Generic;
using System.IO;
using Terraria.World.Generation;

namespace Terraria.ModLoader
{
    //todo: further documentation
    public static class WorldHooks
    {
        internal static readonly IList<ModWorld> worlds = new List<ModWorld>();
        internal static ModWorld[] NetWorlds;

        internal static void Add(ModWorld modWorld) {
            worlds.Add(modWorld);
        }

        internal static void ResizeArrays() {
            NetWorlds = ModLoader.BuildGlobalHook<ModWorld, Action<BinaryWriter>>(worlds, w => w.NetSend);
        }

        internal static void Unload() {
            worlds.Clear();
        }

        internal static void SetupWorld() {
            foreach (ModWorld world in worlds) {
                world.Initialize();
            }
        }

        internal static void WriteNetWorldOrder(BinaryWriter w) {
            w.Write((short)NetWorlds.Length);
            foreach (var netWorld in NetWorlds) {
                w.Write(netWorld.mod.netID);
                w.Write(netWorld.Name);
            }
        }

        internal static void ReadNetWorldOrder(BinaryReader r) {
            short n = r.ReadInt16();
            NetWorlds = new ModWorld[n];
            for (short i = 0; i < n; i++)
                NetWorlds[i] = ModNet.GetMod(r.ReadInt16()).GetModWorld(r.ReadString());
        }

        public static void PreWorldGen() {
            foreach (ModWorld modWorld in worlds) {
                modWorld.PreWorldGen();
            }
        }

        public static void ModifyWorldGenTasks(List<GenPass> passes, ref float totalWeight) {
            foreach (ModWorld modWorld in worlds) {
                modWorld.ModifyWorldGenTasks(passes, ref totalWeight);
            }
        }

        public static void PostWorldGen() {
            foreach (ModWorld modWorld in worlds) {
                modWorld.PostWorldGen();
            }
        }

        public static void ResetNearbyTileEffects() {
            foreach (ModWorld modWorld in worlds) {
                modWorld.ResetNearbyTileEffects();
            }
        }

        public static void PreUpdate() {
            foreach (ModWorld modWorld in worlds) {
                modWorld.PreUpdate();
            }
        }

        public static void PostUpdate() {
            foreach (ModWorld modWorld in worlds) {
                modWorld.PostUpdate();
            }
        }

        public static void TileCountsAvailable(int[] tileCounts) {
            foreach (ModWorld modWorld in worlds) {
                modWorld.TileCountsAvailable(tileCounts);
            }
        }

        public static void ChooseWaterStyle(ref int style) {
            foreach (ModWorld modWorld in worlds) {
                modWorld.ChooseWaterStyle(ref style);
            }
        }

        public static void ModifyHardmodeTasks(List<GenPass> passes) {
            foreach (ModWorld modWorld in worlds) {
                modWorld.ModifyHardmodeTasks(passes);
            }
        }

        public static void PostDrawTiles() {
            foreach (ModWorld modWorld in worlds) {
                modWorld.PostDrawTiles();
            }
        }
    }
}