Terraria.Projectile.NewProjectile C# (CSharp) Method

        public static int NewProjectile(float X, float Y, float SpeedX, float SpeedY, int Type, int Damage, float KnockBack, int Owner = 255, float ai0 = 0.0f, float ai1 = 0.0f)
        {
            int number = 1000;
            for (int index = 0; index < 1000; ++index)
            {
                if (!Main.projectile[index].active)
                {
                    number = index;
                    break;
                }
            }
            if (number == 1000)
                return number;
            Projectile projectile = Main.projectile[number];
            projectile.SetDefaults(Type);
            projectile.position.X = X - projectile.width * 0.5f;
            projectile.position.Y = Y - projectile.height * 0.5f;
            projectile.owner = Owner;
            projectile.velocity.X = SpeedX;
            projectile.velocity.Y = SpeedY;
            projectile.damage = Damage;
            projectile.knockBack = KnockBack;
            projectile.identity = number;
            projectile.gfxOffY = 0.0f;
            projectile.stepSpeed = 1f;
            projectile.wet = Collision.WetCollision(projectile.position, projectile.width, projectile.height);
            if (projectile.ignoreWater)
                projectile.wet = false;
            projectile.honeyWet = Collision.honey;
            if (projectile.aiStyle == 1)
            {
                while (projectile.velocity.X >= 16.0 || projectile.velocity.X <= -16.0 || (projectile.velocity.Y >= 16.0 || projectile.velocity.Y < -16.0))
                {
                    projectile.velocity.X *= 0.97f;
                    projectile.velocity.Y *= 0.97f;
                }
            }
            if (Owner == Main.myPlayer)
            {
                if (Type == 206)
                {
                    projectile.ai[0] = Main.rand.Next(-100, 101) * 0.0005f;
                    projectile.ai[1] = Main.rand.Next(-100, 101) * 0.0005f;
                }
                else if (Type == 335)
                    projectile.ai[1] = Main.rand.Next(4);
                else if (Type == 358)
                    projectile.ai[1] = Main.rand.Next(10, 31) * 0.1f;
                else if (Type == 406)
                {
                    projectile.ai[1] = Main.rand.Next(10, 21) * 0.1f;
                }
                else
                {
                    projectile.ai[0] = ai0;
                    projectile.ai[1] = ai1;
                }
            }
            if (Type == 434)
            {
                projectile.ai[0] = projectile.position.X;
                projectile.ai[1] = projectile.position.Y;
            }
            if (Main.netMode != 0 && Owner == Main.myPlayer)
                NetMessage.SendData(27, -1, -1, "", number, 0.0f, 0.0f, 0.0f, 0, 0, 0);
            if (Owner == Main.myPlayer)
            {
                if (Type == 28)
                    projectile.timeLeft = 180;
                if (Type == 516)
                    projectile.timeLeft = 180;
                if (Type == 519)
                    projectile.timeLeft = 180;
                if (Type == 29)
                    projectile.timeLeft = 300;
                if (Type == 470)
                    projectile.timeLeft = 300;
                if (Type == 637)
                    projectile.timeLeft = 300;
                if (Type == 30)
                    projectile.timeLeft = 180;
                if (Type == 517)
                    projectile.timeLeft = 180;
                if (Type == 37)
                    projectile.timeLeft = 180;
                if (Type == 75)
                    projectile.timeLeft = 180;
                if (Type == 133)
                    projectile.timeLeft = 180;
                if (Type == 136)
                    projectile.timeLeft = 180;
                if (Type == 139)
                    projectile.timeLeft = 180;
                if (Type == 142)
                    projectile.timeLeft = 180;
                if (Type == 397)
                    projectile.timeLeft = 180;
                if (Type == 419)
                    projectile.timeLeft = 600;
                if (Type == 420)
                    projectile.timeLeft = 600;
                if (Type == 421)
                    projectile.timeLeft = 600;
                if (Type == 422)
                    projectile.timeLeft = 600;
                if (Type == 588)
                    projectile.timeLeft = 180;
                if (Type == 443)
                    projectile.timeLeft = 300;
            }
            if (Type == 249)
                projectile.frame = Main.rand.Next(5);
            return number;
        }