MountLoader.cs

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using Microsoft.Xna.Framework;
using Microsoft.Xna.Framework.Graphics;
using System;
using System.Collections.Generic;
using Terraria.DataStructures;
using Terraria.ID;
 
namespace Terraria.ModLoader
{
    public static class MountLoader
    {
        private static int nextMount = MountID.Count;
        internal static readonly IDictionary<int, ModMountData> mountDatas = new Dictionary<int, ModMountData>();
 
        public static ModMountData GetMount(int type) {
            if (mountDatas.ContainsKey(type)) {
                return mountDatas[type];
            }
            return null;
        }
 
        internal static int ReserveMountID() {
            if (ModNet.AllowVanillaClients) throw new Exception("Adding mounts breaks vanilla client compatibility");
 
            int reserveID = nextMount;
            nextMount++;
            return reserveID;
        }
 
        internal static void ResizeArrays() {
            Array.Resize(ref MountID.Sets.Cart, nextMount);
            Array.Resize(ref Mount.mounts, nextMount);
        }
 
        internal static void Unload() {
            mountDatas.Clear();
            nextMount = MountID.Count;
        }
 
        internal static bool IsModMountData(Mount.MountData mountData) {
            return mountData.modMountData != null;
        }
 
        internal static void SetupMount(Mount.MountData mount) {
            if (IsModMountData(mount)) {
                GetMount(mount.modMountData.Type).SetupMount(mount);
            }
        }
 
        public static void JumpHeight(Player mountedPlayer, Mount.MountData mount, ref int jumpHeight, float xVelocity) {
            if (IsModMountData(mount)) {
                mount.modMountData.JumpHeight(ref jumpHeight, xVelocity);
                mount.modMountData.JumpHeight(mountedPlayer, ref jumpHeight, xVelocity);
            }
        }
 
        public static void JumpSpeed(Player mountedPlayer, Mount.MountData mount, ref float jumpSpeed, float xVelocity) {
            if (IsModMountData(mount)) {
                mount.modMountData.JumpSpeed(ref jumpSpeed, xVelocity);
                mount.modMountData.JumpSpeed(mountedPlayer, ref jumpSpeed, xVelocity);
            }
        }
 
        internal static void UpdateEffects(Player mountedPlayer) {
            if (IsModMountData(Mount.mounts[mountedPlayer.mount.Type])) {
                GetMount(mountedPlayer.mount.Type).UpdateEffects(mountedPlayer);
            }
        }
 
        internal static bool UpdateFrame(Player mountedPlayer, int state, Vector2 velocity) {
            if (IsModMountData(Mount.mounts[mountedPlayer.mount.Type])) {
                return GetMount(mountedPlayer.mount.Type).UpdateFrame(mountedPlayer, state, velocity);
            }
            return true;
        }
 
        //todo: this is never called, why is this in here?
        internal static bool CustomBodyFrame(Mount.MountData mount) {
            if (IsModMountData(mount) && mount.modMountData.CustomBodyFrame()) {
                return true;
            }
            return false;
        }
        public static void UseAbility(Player player, Vector2 mousePosition, bool toggleOn) {
            if (IsModMountData(player.mount._data)) {
                player.mount._data.modMountData.UseAbility(player, mousePosition, toggleOn);
            }
        }
        public static void AimAbility(Mount mount, Player player, Vector2 mousePosition) {
            if (IsModMountData(mount._data)) {
                mount._data.modMountData.AimAbility(player, mousePosition);
            }
        }
 
        public static void SetMount(Mount mount, Player player, ref bool skipDust) {
            if (IsModMountData(mount._data)) {
                mount._data.modMountData.SetMount(player, ref skipDust);
            }
        }
 
        public static void Dismount(Mount mount, Player player, ref bool skipDust) {
            if (IsModMountData(mount._data)) {
                mount._data.modMountData.Dismount(player, ref skipDust);
            }
        }
 
        public static bool Draw(Mount mount, List<DrawData> playerDrawData, int drawType, Player drawPlayer, ref Texture2D texture, ref Texture2D glowTexture, ref Vector2 drawPosition, ref Rectangle frame, ref Color drawColor, ref Color glowColor, ref float rotation, ref SpriteEffects spriteEffects, ref Vector2 drawOrigin, ref float drawScale, float shadow) {
            if (IsModMountData(mount._data)) {
                return mount._data.modMountData.Draw(playerDrawData, drawType, drawPlayer, ref texture, ref glowTexture, ref drawPosition, ref frame, ref drawColor, ref glowColor, ref rotation, ref spriteEffects, ref drawOrigin, ref drawScale, shadow);
            }
            return true;
        }
    }
}