ForgottenWawiTech/Content/NPCs/TownNPCs/AvalianTrader.cs

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

namespace ForgottenWawiTech.Content.NPCs.TownNPCs
{
    public class AvalianTrader : ModNPC
    {
        public override void SetStaticDefaults()
        {
            Main.npcFrameCount[NPC.type] = 25; // The amount of frames the NPC has

            NPCID.Sets.ExtraFramesCount[NPC.type] = 9; // Generally for Town NPCs, this should be 9
            NPCID.Sets.AttackFrameCount[NPC.type] = 4;
            NPCID.Sets.DangerDetectRange[NPC.type] = 700; // The amount of pixels away from the center of the npc that it tries to attack enemies
            NPCID.Sets.AttackType[NPC.type] = 0;
            NPCID.Sets.AttackTime[NPC.type] = 90; // The amount of time it takes for the NPC's attack animation to be over
            NPCID.Sets.AttackAverageChance[NPC.type] = 30;
            NPCID.Sets.HatOffsetY[NPC.type] = 4; // For when a party is active, the party hat spawns at a Y offset

            // Influences how the NPC looks in the Bestiary
            NPCID.Sets.NPCBestiaryDrawModifiers drawModifiers = new NPCID.Sets.NPCBestiaryDrawModifiers(0)
            {
                Velocity = 1f, // Draws the NPC in the bestiary as if its walking +1 tiles in the x direction
                Direction = 1 // -1 is left and 1 is right. NPCs are drawn facing the left by default
            };

            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 = 30;
            NPC.defense = 10;
            NPC.lifeMax = 500;
            NPC.HitSound = SoundID.NPCHit1;
            NPC.DeathSound = SoundID.NPCDeath6;
            NPC.knockBackResist = 0.5f;

            AnimationType = NPCID.Guide;
        }

        public override bool CanTownNPCSpawn(int numTownNPCs)
        {
            // Only spawn if a player has obtained RGBass in this world
            return ForgottenWawiTechSystem.hasObtainedRGBass;
        }

        public override List<string> SetNPCNameList()
        {
            return new List<string>() {
                "Kivuli",
                "Sekai",
                "Taerik",
                "Nykra",
                "Vekir",
                "Shyrik",
                "Kaelis",
                "Nyxal",
                "Verik",
                "Skyris",
                "Taeli",
                "Nyrik",
                "Kaevi",
                "Vyxen",
                "Syrrik",
                "Nykai"
            };
        }

        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()
        {
            new NPCShop(Type)
                .Add<Items.Materials.RGBass>()
                .Add<Items.Materials.VisorShard>()
                .Add(ItemID.RainbowBrick) // TODO: Force Rainbow Brick to not have No Value.
                .Add<Items.Materials.AvaliFeather>()
                .Register();
        }
        public override string GetChat()
        {
            switch (Main.rand.Next(15))
            {
                case 0:
                    return "*avalian chirping*";
                case 1:
                    return "Welcome! I've traveled far from Avalon to bring you the finest technology.";
                case 2:
                    return "These feathers? They're not just for show - they're quite valuable!";
                case 3:
                    return "RGB technology is all the rage back home. Everything needs more colors!";
                case 4:
                    return "The visor shards I sell are fragments from our most advanced equipment.";
                case 5:
                    return "My pack may be small, but I've traversed dimensions to get here.";
                case 6:
                    return "*chirps excitedly* Oh, you're interested in our wares?";
                case 7:
                    return "Avalon sends its regards! And its finest materials.";
                case 8:
                    return "Don't underestimate the power of a well-crafted alloy.";
                case 9:
                    return "The journey here was long, but your world has such fascinating resources!";
                case 10:
                    return "*preens feathers* Presentation is important in any trade.";
                case 11:
                    return "RGBass - it's not just a material, it's a lifestyle.";
                case 12:
                    return "I wonder what the other traders back on Avalon would think of this place...";
                case 13:
                    return "My species may be small, but we're excellent engineers!";
                default:
                    return "Need something? My shop is always open!";
            }
        }

        public override void TownNPCAttackStrength(ref int damage, ref float knockback)
        {
            damage = 50;
            knockback = 4f;
        }

        public override void TownNPCAttackCooldown(ref int cooldown, ref int randExtraCooldown)
        {
            cooldown = 10;
            randExtraCooldown = 30;
        }

        public override void TownNPCAttackProj(ref int projType, ref int attackDelay)
        {
            projType = 502;
            attackDelay = 1;
        }

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

    }
}