Finish set bonuses, add more options to the Avali Trader

Content/Projectiles/Avali/AvaliHuntingDrone.cs

@@ -0,0 +1,126 @@
+using Microsoft.Xna.Framework;
+using Terraria;
+using Terraria.Audio;
+using Terraria.ID;
+using Terraria.ModLoader;
+using ForgottenWawiTech.Content.Players;
+
+namespace ForgottenWawiTech.Content.Projectiles.Avali
+{
+    public class AvaliHuntingDrone : ModProjectile
+    {
+        private const float OrbitSpeed = 0.045f;
+        private const float OrbitRadius = 96f;
+        private const int ShootCooldown = 28;
+        private const float TargetRange = 920f;
+        private const float ShotSpeed = 19.5f;
+
+        public override void SetStaticDefaults()
+        {
+            ProjectileID.Sets.MinionSacrificable[Type] = false;
+            ProjectileID.Sets.MinionTargettingFeature[Type] = true;
+        }
+
+        public override void SetDefaults()
+        {
+            Projectile.width = 26;
+            Projectile.height = 26;
+            Projectile.friendly = false;
+            Projectile.minion = true;
+            Projectile.penetrate = -1;
+            Projectile.tileCollide = false;
+            Projectile.ignoreWater = true;
+            Projectile.DamageType = DamageClass.Summon;
+            Projectile.netImportant = true;
+            Projectile.timeLeft = 2;
+            Projectile.minionSlots = 0f;
+            Projectile.damage = 0;
+        }
+
+        public override void AI()
+        {
+            Player owner = Main.player[Projectile.owner];
+            AvaliVanguardPlayer modPlayer = owner.GetModPlayer<AvaliVanguardPlayer>();
+            if (!owner.active || owner.dead || !modPlayer.HuntingDronesActive)
+            {
+                Projectile.Kill();
+                return;
+            }
+
+            Projectile.timeLeft = 2;
+
+            float index = Projectile.ai[0];
+            float total = Projectile.ai[1];
+            if (total <= 0f)
+            {
+                total = 3f;
+            }
+
+            float rotation = (Main.GameUpdateCount * OrbitSpeed) + index * MathHelper.TwoPi / total;
+            Vector2 offset = rotation.ToRotationVector2() * OrbitRadius;
+            Projectile.Center = owner.Center + offset;
+            Projectile.velocity = owner.velocity;
+            Projectile.rotation = (owner.Center - Projectile.Center).ToRotation() + MathHelper.PiOver2;
+
+            Lighting.AddLight(Projectile.Center, 0.35f, 0.6f, 1f);
+
+            if (Projectile.owner == Main.myPlayer)
+            {
+                Projectile.localAI[0]++;
+                if (Projectile.localAI[0] >= ShootCooldown)
+                {
+                    Projectile.localAI[0] = 0f;
+                    NPC target = AcquireTarget(owner, Projectile.Center, TargetRange);
+                    if (target != null)
+                    {
+                        Vector2 velocity = (target.Center - Projectile.Center).SafeNormalize(Vector2.UnitY) * ShotSpeed;
+                        int damage = AvaliVanguardPlayer.GetDroneBaseDamage(owner);
+                        var source = Projectile.GetSource_FromAI();
+                        Projectile.NewProjectile(
+                            source,
+                            Projectile.Center,
+                            velocity,
+                            ModContent.ProjectileType<AvaliHuntingDroneShot>(),
+                            damage,
+                            2f,
+                            owner.whoAmI);
+                        SoundEngine.PlaySound(SoundID.Item12 with { Volume = 0.6f }, Projectile.Center);
+                        Projectile.netUpdate = true;
+                    }
+                }
+            }
+        }
+
+        private static NPC AcquireTarget(Player owner, Vector2 center, float range)
+        {
+            if (owner.HasMinionAttackTargetNPC)
+            {
+                NPC target = Main.npc[owner.MinionAttackTargetNPC];
+                if (target.CanBeChasedBy())
+                {
+                    return target;
+                }
+            }
+
+            NPC closest = null;
+            float squaredRange = range * range;
+            for (int i = 0; i < Main.maxNPCs; i++)
+            {
+                NPC npc = Main.npc[i];
+                if (!npc.active || npc.friendly || npc.dontTakeDamage || npc.life <= 0)
+                {
+                    continue;
+                }
+
+                float distance = Vector2.DistanceSquared(npc.Center, center);
+                if (distance <= squaredRange && Collision.CanHitLine(center, 0, 0, npc.Center, 0, 0))
+                {
+                    squaredRange = distance;
+                    closest = npc;
+                }
+            }
+
+            return closest;
+        }
+    }
+}

Content/Projectiles/Avali/AvaliHuntingDroneShot.cs

@@ -0,0 +1,52 @@
+using Microsoft.Xna.Framework;
+using Terraria;
+using Terraria.Audio;
+using Terraria.ID;
+using Terraria.ModLoader;
+
+namespace ForgottenWawiTech.Content.Projectiles.Avali
+{
+    public class AvaliHuntingDroneShot : ModProjectile
+    {
+        public override void SetStaticDefaults()
+        {
+            ProjectileID.Sets.MinionShot[Type] = true;
+        }
+
+        public override void SetDefaults()
+        {
+            Projectile.width = 12;
+            Projectile.height = 12;
+            Projectile.friendly = true;
+            Projectile.timeLeft = 120;
+            Projectile.penetrate = 1;
+            Projectile.tileCollide = false;
+            Projectile.ignoreWater = true;
+            Projectile.DamageType = DamageClass.Summon;
+            Projectile.usesLocalNPCImmunity = true;
+            Projectile.localNPCHitCooldown = 10;
+            Projectile.extraUpdates = 1;
+            Projectile.alpha = 40;
+        }
+
+        public override void AI()
+        {
+            Projectile.rotation = Projectile.velocity.ToRotation();
+            Lighting.AddLight(Projectile.Center, 0.4f, 0.7f, 1.2f);
+
+            if (Main.rand.NextBool(3))
+            {
+                Dust dust = Dust.NewDustDirect(Projectile.position, Projectile.width, Projectile.height, DustID.Electric, 0f, 0f, 120, default, 1.1f);
+                dust.noGravity = true;
+            }
+        }
+
+        public override void OnHitNPC(NPC target, NPC.HitInfo hit, int damageDone)
+        {
+            if (Main.myPlayer == Projectile.owner)
+            {
+                SoundEngine.PlaySound(SoundID.Item93 with { Volume = 0.4f }, Projectile.Center);
+            }
+        }
+    }
+}