ForgottenWawiTech/Content/NPCs/OriginalLyyka/LyykaNPC.cs

using System.Collections.Generic;
using Terraria;
using Terraria.ID;
using Terraria.ModLoader;
using Terraria.GameContent.Personalities;
using Terraria.Localization;

namespace ForgottenWawiTech.Content.NPCs.OriginalLyyka
{
    [AutoloadHead]
    public class LyykaNPC : ModNPC
    {
        public override void SetStaticDefaults()
        {
            // DisplayName.SetDefault("Lyyka");
            Main.npcFrameCount[NPC.type] = 25;

            NPCID.Sets.ExtraFramesCount[NPC.type] = 9;
            NPCID.Sets.AttackFrameCount[NPC.type] = 4;
            NPCID.Sets.DangerDetectRange[NPC.type] = 700;
            NPCID.Sets.AttackType[NPC.type] = 0;
            NPCID.Sets.AttackTime[NPC.type] = 90;
            NPCID.Sets.AttackAverageChance[NPC.type] = 30;
            NPCID.Sets.HatOffsetY[NPC.type] = 4;

            NPCID.Sets.NPCBestiaryDrawModifiers drawModifiers = new NPCID.Sets.NPCBestiaryDrawModifiers(0)
            {
                Velocity = 1f,
                Direction = 1
            };

            NPCID.Sets.NPCBestiaryDrawOffset.Add(Type, drawModifiers);
        }

        public override void SetDefaults()
        {
            NPC.townNPC = true;
            NPC.friendly = true;
            NPC.width = 18;
            NPC.height = 40;
            NPC.aiStyle = 7;
            NPC.damage = 10;
            NPC.defense = 15;
            NPC.lifeMax = 250;
            NPC.HitSound = SoundID.NPCHit1;
            NPC.DeathSound = SoundID.NPCDeath1;
            NPC.knockBackResist = 0.5f;

            AnimationType = NPCID.Guide;
        }

        public override bool CanTownNPCSpawn(int numTownNPCs)
        {
            return WorldDefeatedBosses.Lyyka;
        }

        public override List<string> SetNPCNameList()
        {
            return new List<string>() {
                "Lyyka"
            };
        }

        public override void SetChatButtons(ref string button, ref string button2)
        {
            button = Language.GetTextValue("LegacyInterface.28"); // "Shop"
        }

        public override void OnChatButtonClicked(bool firstButton, ref string shop)
        {
            if (firstButton)
            {
                shop = "Shop";
            }
        }

        public override void AddShops()
        {
            var npcShop = new NPCShop(Type)
                .Add(ItemID.LightningBug)
                .Add(ItemID.Sunflower);

            npcShop.Register();
        }

        public override string GetChat()
        {
            switch (Main.rand.Next(4))
            {
                case 0:
                    return "Meow!";
                case 1:
                    return "Want some cookies?";
                case 2:
                    return "Time for a catnap...";
                default:
                    return "Purr...";
            }
        }

        public override void TownNPCAttackStrength(ref int damage, ref float knockback)
        {
            damage = 20;
            knockback = 4f;
        }

        public override void TownNPCAttackCooldown(ref int cooldown, ref int randExtraCooldown)
        {
            cooldown = 30;
            randExtraCooldown = 30;
        }

        public override void TownNPCAttackProj(ref int projType, ref int attackDelay)
        {
            projType = ProjectileID.SwordBeam;
            attackDelay = 1;
        }

        public override void TownNPCAttackProjSpeed(ref float multiplier, ref float gravityCorrection, ref float randomOffset)
        {
            multiplier = 12f;
            randomOffset = 2f;
        }
    }
}