AI_006_Worms()

void Terraria.NPC.AI_006_Worms ( )

inlineprivate

Definition at line 44220 of file NPC.cs.

    {
        if (type == 117 && localAI[1] == 0f)
        {
            localAI[1] = 1f;
            SoundEngine.PlaySound(SoundID.NPCDeath13, position);
            int num = 1;
            if (velocity.X < 0f)
            {
                num = -1;
            }
            for (int i = 0; i < 20; i++)
            {
                Dust.NewDust(new Vector2(position.X - 20f, position.Y - 20f), width + 40, height + 40, 5, num * 8, -1f);
            }
        }
        if (type == 454 && localAI[3] == 0f)
        {
            SoundEngine.PlaySound(SoundID.Item119, position);
            localAI[3] = 1f;
        }
        if (type >= 454 && type <= 459)
        {
            dontTakeDamage = alpha > 0;
            if (type == 454 || (type != 454 && Main.npc[(int)ai[1]].alpha < 85))
            {
                if (dontTakeDamage)
                {
                    for (int j = 0; j < 2; j++)
                    {
                        int num2 = Dust.NewDust(new Vector2(position.X, position.Y), width, height, 228, 0f, 0f, 100, default(Color), 2f);
                        Main.dust[num2].noGravity = true;
                        Main.dust[num2].noLight = true;
                    }
                }
                alpha -= 42;
                if (alpha < 0)
                {
                    alpha = 0;
                }
            }
        }
        if (type >= 621 && type <= 623)
        {
            position += netOffset;
            dontTakeDamage = alpha > 0;
            if (type == 621 || (type != 621 && Main.npc[(int)ai[1]].alpha < 85))
            {
                if (dontTakeDamage)
                {
                    for (int k = 0; k < 2; k++)
                    {
                        Dust.NewDust(position, width, height, 5, 0f, 0f, 100);
                    }
                }
                alpha -= 42;
                if (alpha < 0)
                {
                    alpha = 0;
                }
            }
            if (alpha == 0 && Main.rand.Next(5) == 0)
            {
                Dust.NewDust(position, width, height, 5, 0f, 0f, 100);
            }
            position -= netOffset;
        }
        else if (type == 402)
        {
            ai[2] += 1f;
            float num3 = 600f;
            float num4 = num3 - 30f;
            if (velocity.Length() >= 1f && ai[2] <= num4)
            {
                velocity *= Utils.Remap(ai[2], num4 * 0.5f, num4, 1f, 0.5f);
            }
            if (ai[2] == num4)
            {
                for (int l = 0; l < 50; l++)
                {
                    Vector2 vector = Main.rand.NextVector2Circular(8f, 8f);
                    if (Main.rand.Next(2) == 0)
                    {
                        int num5 = Dust.NewDust(position, width, height, 180, 0f, 0f, 100);
                        Main.dust[num5].scale += (float)Main.rand.Next(50) * 0.04f;
                        Main.dust[num5].noGravity = true;
                        Main.dust[num5].velocity = vector;
                        Main.dust[num5].fadeIn = Main.rand.NextFloat() * 1.5f;
                    }
                    if (Main.rand.Next(2) == 0)
                    {
                        int num6 = Dust.NewDust(position, width, height, 176, 0f, 0f, 100);
                        Main.dust[num6].scale += 0.3f + (float)Main.rand.Next(50) * 0.01f;
                        Main.dust[num6].noGravity = true;
                        Main.dust[num6].velocity = vector;
                        Main.dust[num6].fadeIn = Main.rand.NextFloat() * 1.5f;
                    }
                }
                if (Main.netMode != 1)
                {
                    SpawnStardustMark_StardustWorm();
                    velocity = velocity.SafeNormalize(Vector2.Zero) * 6f;
                    netUpdate = true;
                }
            }
            if (ai[2] >= num3 && Main.netMode != 1)
            {
                ai[2] = 0f;
                netUpdate = true;
            }
        }
        if (Main.netMode != 1 && Main.expertMode)
        {
            if (type == 14 && ((double)(position.Y / 16f) < Main.worldSurface || Main.getGoodWorld))
            {
                int num7 = (int)(base.Center.X / 16f);
                int num8 = (int)(base.Center.Y / 16f);
                if (WorldGen.InWorld(num7, num8) && Main.tile[num7, num8].wall == 0)
                {
                    int num9 = 900;
                    if (Main.getGoodWorld)
                    {
                        num9 /= 2;
                    }
                    if (Main.rand.Next(num9) == 0)
                    {
                        TargetClosest();
                        if (Collision.CanHitLine(base.Center, 1, 1, Main.player[target].Center, 1, 1))
                        {
                            NewNPC(GetSpawnSourceForNPCFromNPCAI(), (int)(position.X + (float)(width / 2) + velocity.X), (int)(position.Y + (float)(height / 2) + velocity.Y), 666, 0, 0f, 1f);
                        }
                    }
                }
            }
            else if (type == 13)
            {
                int num10 = 90;
                num10 += (int)((float)life / (float)lifeMax * 60f * 5f);
                if (Main.rand.Next(num10) == 0)
                {
                    TargetClosest();
                    if (Collision.CanHitLine(base.Center, 1, 1, Main.player[target].Center, 1, 1))
                    {
                        NewNPC(GetSpawnSourceForNPCFromNPCAI(), (int)(position.X + (float)(width / 2) + velocity.X), (int)(position.Y + (float)(height / 2) + velocity.Y), 666, 0, 0f, 1f);
                    }
                }
            }
        }
        bool flag = false;
        float num11 = 0.2f;
        switch (type)
        {
        case 513:
            flag = !Main.player[target].ZoneUndergroundDesert;
            num11 = 0.1f;
            break;
        case 10:
        case 39:
        case 95:
        case 117:
        case 510:
            flag = true;
            break;
        case 621:
            flag = false;
            break;
        }
        if (type >= 13 && type <= 15)
        {
            realLife = -1;
        }
        else if (ai[3] > 0f)
        {
            realLife = (int)ai[3];
        }
        if (target < 0 || target == 255 || Main.player[target].dead || (flag && (double)Main.player[target].position.Y < Main.worldSurface * 16.0))
        {
            TargetClosest();
        }
        if (Main.player[target].dead || (flag && (double)Main.player[target].position.Y < Main.worldSurface * 16.0))
        {
            EncourageDespawn(300);
            if (flag)
            {
                velocity.Y += num11;
            }
        }
        if (type == 621 && Main.dayTime)
        {
            EncourageDespawn(60);
            velocity.Y += 1f;
        }
        if (Main.netMode != 1)
        {
            if (type == 87 && ai[0] == 0f)
            {
                ai[3] = whoAmI;
                realLife = whoAmI;
                int num12 = 0;
                int num13 = whoAmI;
                for (int m = 0; m < 14; m++)
                {
                    int num14 = 89;
                    switch (m)
                    {
                    case 1:
                    case 8:
                        num14 = 88;
                        break;
                    case 11:
                        num14 = 90;
                        break;
                    case 12:
                        num14 = 91;
                        break;
                    case 13:
                        num14 = 92;
                        break;
                    }
                    num12 = NewNPC(GetSpawnSourceForNPCFromNPCAI(), (int)(position.X + (float)(width / 2)), (int)(position.Y + (float)height), num14, whoAmI);
                    Main.npc[num12].ai[3] = whoAmI;
                    Main.npc[num12].realLife = whoAmI;
                    Main.npc[num12].ai[1] = num13;
                    Main.npc[num12].CopyInteractions(this);
                    Main.npc[num13].ai[0] = num12;
                    NetMessage.SendData(23, -1, -1, null, num12);
                    num13 = num12;
                }
            }
            if (type == 454 && ai[0] == 0f)
            {
                ai[3] = whoAmI;
                realLife = whoAmI;
                int num15 = 0;
                int num16 = whoAmI;
                for (int n = 0; n < 30; n++)
                {
                    int num17 = 456;
                    if ((n - 2) % 4 == 0 && n < 26)
                    {
                        num17 = 455;
                    }
                    else
                    {
                        switch (n)
                        {
                        case 27:
                            num17 = 457;
                            break;
                        case 28:
                            num17 = 458;
                            break;
                        case 29:
                            num17 = 459;
                            break;
                        }
                    }
                    num15 = NewNPC(GetSpawnSourceForNPCFromNPCAI(), (int)(position.X + (float)(width / 2)), (int)(position.Y + (float)height), num17, whoAmI);
                    Main.npc[num15].ai[3] = whoAmI;
                    Main.npc[num15].realLife = whoAmI;
                    Main.npc[num15].ai[1] = num16;
                    Main.npc[num15].CopyInteractions(this);
                    Main.npc[num16].ai[0] = num15;
                    NetMessage.SendData(23, -1, -1, null, num15);
                    num16 = num15;
                }
            }
            if (type == 513 && ai[0] == 0f)
            {
                ai[3] = whoAmI;
                realLife = whoAmI;
                int num18 = 0;
                int num19 = whoAmI;
                int num20 = Main.rand.Next(6, 10);
                for (int num21 = 0; num21 < num20; num21++)
                {
                    int num22 = 514;
                    if (num21 == num20 - 1)
                    {
                        num22 = 515;
                    }
                    num18 = NewNPC(GetSpawnSourceForNPCFromNPCAI(), (int)(position.X + (float)(width / 2)), (int)(position.Y + (float)height), num22, whoAmI);
                    Main.npc[num18].ai[3] = whoAmI;
                    Main.npc[num18].realLife = whoAmI;
                    Main.npc[num18].ai[1] = num19;
                    Main.npc[num18].CopyInteractions(this);
                    Main.npc[num19].ai[0] = num18;
                    NetMessage.SendData(23, -1, -1, null, num18);
                    num19 = num18;
                }
            }
            if (type == 510 && ai[0] == 0f)
            {
                ai[3] = whoAmI;
                realLife = whoAmI;
                int num23 = 0;
                int num24 = whoAmI;
                int num25 = Main.rand.Next(12, 21);
                for (int num26 = 0; num26 < num25; num26++)
                {
                    int num27 = 511;
                    if (num26 == num25 - 1)
                    {
                        num27 = 512;
                    }
                    num23 = NewNPC(GetSpawnSourceForNPCFromNPCAI(), (int)(position.X + (float)(width / 2)), (int)(position.Y + (float)height), num27, whoAmI);
                    Main.npc[num23].ai[3] = whoAmI;
                    Main.npc[num23].realLife = whoAmI;
                    Main.npc[num23].ai[1] = num24;
                    Main.npc[num23].CopyInteractions(this);
                    Main.npc[num24].ai[0] = num23;
                    NetMessage.SendData(23, -1, -1, null, num23);
                    num24 = num23;
                }
            }
            if (type == 621 && ai[0] == 0f)
            {
                ai[3] = whoAmI;
                realLife = whoAmI;
                int num28 = 0;
                int num29 = whoAmI;
                int num30 = 16;
                for (int num31 = 0; num31 < num30; num31++)
                {
                    int num32 = 622;
                    if (num31 == num30 - 1)
                    {
                        num32 = 623;
                    }
                    num28 = NewNPC(GetSpawnSourceForNPCFromNPCAI(), (int)(position.X + (float)(width / 2)), (int)(position.Y + (float)height), num32, whoAmI);
                    Main.npc[num28].ai[3] = whoAmI;
                    Main.npc[num28].realLife = whoAmI;
                    Main.npc[num28].ai[1] = num29;
                    Main.npc[num28].CopyInteractions(this);
                    Main.npc[num29].ai[0] = num28;
                    NetMessage.SendData(23, -1, -1, null, num28);
                    num29 = num28;
                }
            }
            else if ((type == 7 || type == 8 || type == 10 || type == 11 || type == 13 || type == 14 || type == 39 || type == 40 || type == 95 || type == 96 || type == 98 || type == 99 || type == 117 || type == 118) && ai[0] == 0f)
            {
                if (type == 7 || type == 10 || type == 13 || type == 39 || type == 95 || type == 98 || type == 117)
                {
                    if (type < 13 || type > 15)
                    {
                        ai[3] = whoAmI;
                        realLife = whoAmI;
                    }
                    ai[2] = Main.rand.Next(8, 13);
                    if (type == 10)
                    {
                        ai[2] = Main.rand.Next(4, 7);
                    }
                    if (type == 13)
                    {
                        ai[2] = GetEaterOfWorldsSegmentsCount();
                    }
                    if (type == 39)
                    {
                        ai[2] = Main.rand.Next(14, 23);
                        if (Main.getGoodWorld)
                        {
                            ai[2] += 3f;
                            if (Main.remixWorld)
                            {
                                ai[2] += 4f;
                            }
                        }
                    }
                    if (type == 95)
                    {
                        ai[2] = Main.rand.Next(6, 12);
                    }
                    if (type == 98)
                    {
                        ai[2] = Main.rand.Next(20, 26);
                    }
                    if (type == 117)
                    {
                        ai[2] = Main.rand.Next(3, 6);
                    }
                    if (type == 7 && Main.remixWorld)
                    {
                        ai[2] *= 2f;
                    }
                    ai[0] = NewNPC(GetSpawnSourceForNPCFromNPCAI(), (int)(position.X + (float)(width / 2)), (int)(position.Y + (float)height), type + 1, whoAmI);
                    Main.npc[(int)ai[0]].CopyInteractions(this);
                }
                else if ((type == 8 || type == 11 || type == 14 || type == 40 || type == 96 || type == 99 || type == 118) && ai[2] > 0f)
                {
                    ai[0] = NewNPC(GetSpawnSourceForNPCFromNPCAI(), (int)(position.X + (float)(width / 2)), (int)(position.Y + (float)height), type, whoAmI);
                    Main.npc[(int)ai[0]].CopyInteractions(this);
                }
                else
                {
                    ai[0] = NewNPC(GetSpawnSourceForNPCFromNPCAI(), (int)(position.X + (float)(width / 2)), (int)(position.Y + (float)height), type + 1, whoAmI);
                    Main.npc[(int)ai[0]].CopyInteractions(this);
                }
                if (type < 13 || type > 15)
                {
                    Main.npc[(int)ai[0]].ai[3] = ai[3];
                    Main.npc[(int)ai[0]].realLife = realLife;
                }
                Main.npc[(int)ai[0]].ai[1] = whoAmI;
                Main.npc[(int)ai[0]].ai[2] = ai[2] - 1f;
                netUpdate = true;
            }
            if (type == 412 && ai[0] == 0f)
            {
                ai[3] = whoAmI;
                realLife = whoAmI;
                int num33 = 0;
                int num34 = whoAmI;
                int num35 = 30;
                for (int num36 = 0; num36 < num35; num36++)
                {
                    int num37 = 413;
                    if (num36 == num35 - 1)
                    {
                        num37 = 414;
                    }
                    num33 = NewNPC(GetSpawnSourceForNPCFromNPCAI(), (int)(position.X + (float)(width / 2)), (int)(position.Y + (float)height), num37, whoAmI);
                    Main.npc[num33].ai[3] = whoAmI;
                    Main.npc[num33].realLife = whoAmI;
                    Main.npc[num33].ai[1] = num34;
                    Main.npc[num33].CopyInteractions(this);
                    Main.npc[num34].ai[0] = num33;
                    NetMessage.SendData(23, -1, -1, null, num33);
                    num34 = num33;
                }
            }
            switch (type)
            {
            case 8:
            case 9:
            case 11:
            case 12:
            case 40:
            case 41:
            case 88:
            case 89:
            case 90:
            case 91:
            case 92:
            case 96:
            case 97:
            case 99:
            case 100:
            case 118:
            case 119:
            case 413:
            case 414:
            case 455:
            case 456:
            case 457:
            case 458:
            case 459:
            case 511:
            case 512:
            case 514:
            case 515:
            case 622:
            case 623:
                if (!Main.npc[(int)ai[1]].active || Main.npc[(int)ai[1]].aiStyle != aiStyle)
                {
                    life = 0;
                    HitEffect();
                    checkDead();
                    active = false;
                    NetMessage.SendData(28, -1, -1, null, whoAmI, -1f);
                    return;
                }
                break;
            }
            switch (type)
            {
            case 7:
            case 8:
            case 10:
            case 11:
            case 39:
            case 40:
            case 87:
            case 88:
            case 89:
            case 90:
            case 91:
            case 95:
            case 96:
            case 98:
            case 99:
            case 117:
            case 118:
            case 412:
            case 413:
            case 454:
            case 455:
            case 456:
            case 457:
            case 458:
            case 510:
            case 511:
            case 513:
            case 514:
            case 621:
            case 622:
                if (!Main.npc[(int)ai[0]].active || Main.npc[(int)ai[0]].aiStyle != aiStyle)
                {
                    life = 0;
                    HitEffect();
                    checkDead();
                    active = false;
                    NetMessage.SendData(28, -1, -1, null, whoAmI, -1f);
                    return;
                }
                break;
            }
            if (type == 13 || type == 14 || type == 15)
            {
                if (!Main.npc[(int)ai[1]].active && !Main.npc[(int)ai[0]].active)
                {
                    life = 0;
                    HitEffect();
                    checkDead();
                    active = false;
                    NetMessage.SendData(28, -1, -1, null, whoAmI, -1f);
                    return;
                }
                if (type == 13 && !Main.npc[(int)ai[0]].active)
                {
                    life = 0;
                    HitEffect();
                    checkDead();
                    active = false;
                    NetMessage.SendData(28, -1, -1, null, whoAmI, -1f);
                    return;
                }
                if (type == 15 && !Main.npc[(int)ai[1]].active)
                {
                    life = 0;
                    HitEffect();
                    checkDead();
                    active = false;
                    NetMessage.SendData(28, -1, -1, null, whoAmI, -1f);
                    return;
                }
                if (type == 14 && (!Main.npc[(int)ai[1]].active || Main.npc[(int)ai[1]].aiStyle != aiStyle))
                {
                    type = 13;
                    int num38 = whoAmI;
                    float num39 = (float)life / (float)lifeMax;
                    float num40 = ai[0];
                    SetDefaultsKeepPlayerInteraction(type);
                    life = (int)((float)lifeMax * num39);
                    ai[0] = num40;
                    TargetClosest();
                    netUpdate = true;
                    whoAmI = num38;
                    alpha = 0;
                }
                if (type == 14 && (!Main.npc[(int)ai[0]].active || Main.npc[(int)ai[0]].aiStyle != aiStyle))
                {
                    type = 15;
                    int num41 = whoAmI;
                    float num42 = (float)life / (float)lifeMax;
                    float num43 = ai[1];
                    SetDefaultsKeepPlayerInteraction(type);
                    life = (int)((float)lifeMax * num42);
                    ai[1] = num43;
                    TargetClosest();
                    netUpdate = true;
                    whoAmI = num41;
                    alpha = 0;
                }
            }
            if (!active && Main.netMode == 2)
            {
                NetMessage.SendData(28, -1, -1, null, whoAmI, -1f);
            }
        }
        int num44 = (int)(position.X / 16f) - 1;
        int num45 = (int)((position.X + (float)width) / 16f) + 2;
        int num46 = (int)(position.Y / 16f) - 1;
        int num47 = (int)((position.Y + (float)height) / 16f) + 2;
        if (num44 < 0)
        {
            num44 = 0;
        }
        if (num45 > Main.maxTilesX)
        {
            num45 = Main.maxTilesX;
        }
        if (num46 < 0)
        {
            num46 = 0;
        }
        if (num47 > Main.maxTilesY)
        {
            num47 = Main.maxTilesY;
        }
        bool flag2 = false;
        if (type >= 87 && type <= 92)
        {
            flag2 = true;
        }
        if (type >= 454 && type <= 459)
        {
            flag2 = true;
        }
        if (type >= 621 && type <= 623)
        {
            flag2 = true;
        }
        if (type >= 412 && type <= 414)
        {
            flag2 = true;
        }
        if (type == 402)
        {
            flag2 = true;
        }
        if (!flag2)
        {
            Vector2 vector2 = default(Vector2);
            for (int num48 = num44; num48 < num45; num48++)
            {
                for (int num49 = num46; num49 < num47; num49++)
                {
                    if (Main.tile[num48, num49] == null || ((!Main.tile[num48, num49].nactive() || (!Main.tileSolid[Main.tile[num48, num49].type] && (!Main.tileSolidTop[Main.tile[num48, num49].type] || Main.tile[num48, num49].frameY != 0))) && Main.tile[num48, num49].liquid <= 64))
                    {
                        continue;
                    }
                    vector2.X = num48 * 16;
                    vector2.Y = num49 * 16;
                    if (position.X + (float)width > vector2.X && position.X < vector2.X + 16f && position.Y + (float)height > vector2.Y && position.Y < vector2.Y + 16f)
                    {
                        flag2 = true;
                        if (Main.rand.Next(100) == 0 && type != 117 && Main.tile[num48, num49].nactive() && Main.tileSolid[Main.tile[num48, num49].type])
                        {
                            WorldGen.KillTile(num48, num49, fail: true, effectOnly: true);
                        }
                    }
                }
            }
        }
        if (!flag2 && (type == 7 || type == 10 || type == 13 || type == 39 || type == 95 || type == 98 || type == 117 || type == 375 || type == 454 || type == 510 || type == 513 || type == 621))
        {
            Rectangle rectangle = new Rectangle((int)position.X, (int)position.Y, width, height);
            int num50 = 1000;
            bool flag3 = true;
            for (int num51 = 0; num51 < 255; num51++)
            {
                if (Main.player[num51].active)
                {
                    Rectangle rectangle2 = new Rectangle((int)Main.player[num51].position.X - num50, (int)Main.player[num51].position.Y - num50, num50 * 2, num50 * 2);
                    if (rectangle.Intersects(rectangle2))
                    {
                        flag3 = false;
                        break;
                    }
                }
            }
            if (flag3)
            {
                flag2 = true;
            }
        }
        if ((type >= 87 && type <= 92) || (type >= 454 && type <= 459) || (type >= 621 && type <= 623))
        {
            if (velocity.X < 0f)
            {
                spriteDirection = 1;
            }
            else if (velocity.X > 0f)
            {
                spriteDirection = -1;
            }
        }
        if (type == 414)
        {
            if (justHit)
            {
                localAI[3] = 3f;
            }
            if (localAI[2] > 0f)
            {
                localAI[2] -= 16f;
                if (localAI[2] == 0f)
                {
                    localAI[2] = -128f;
                }
            }
            else if (localAI[2] < 0f)
            {
                localAI[2] += 16f;
            }
            else if (localAI[3] > 0f)
            {
                localAI[2] = 128f;
                localAI[3] -= 1f;
            }
        }
        if (type == 412)
        {
            position += netOffset;
            Vector2 vector3 = base.Center + (rotation - (float)Math.PI / 2f).ToRotationVector2() * 8f;
            Vector2 vector4 = rotation.ToRotationVector2() * 16f;
            Dust obj = Main.dust[Dust.NewDust(vector3 + vector4, 0, 0, 6, velocity.X, velocity.Y, 100, Color.Transparent, 1f + Main.rand.NextFloat() * 3f)];
            obj.noGravity = true;
            obj.noLight = true;
            obj.position -= new Vector2(4f);
            obj.fadeIn = 1f;
            obj.velocity = Vector2.Zero;
            Dust obj2 = Main.dust[Dust.NewDust(vector3 - vector4, 0, 0, 6, velocity.X, velocity.Y, 100, Color.Transparent, 1f + Main.rand.NextFloat() * 3f)];
            obj2.noGravity = true;
            obj2.noLight = true;
            obj2.position -= new Vector2(4f);
            obj2.fadeIn = 1f;
            obj2.velocity = Vector2.Zero;
            position -= netOffset;
        }
        float num52 = 8f;
        float num53 = 0.07f;
        if (type == 95)
        {
            num52 = 5.5f;
            num53 = 0.045f;
        }
        if (type == 10)
        {
            num52 = 6f;
            num53 = 0.05f;
        }
        if (type == 513)
        {
            num52 = 7f;
            num53 = 0.1f;
        }
        if (type == 7)
        {
            num52 = 9f;
            num53 = 0.1f;
        }
        if (type == 13)
        {
            num52 = 10f;
            num53 = 0.07f;
            if (Main.expertMode)
            {
                num52 = 12f;
                num53 = 0.15f;
            }
            if (Main.getGoodWorld)
            {
                num52 += 4f;
                num53 += 0.05f;
            }
        }
        if (type == 510)
        {
            if (!Main.player[target].dead && Main.player[target].ZoneSandstorm)
            {
                num52 = 16f;
                num53 = 0.35f;
            }
            else
            {
                num52 = 10f;
                num53 = 0.25f;
            }
        }
        if (type == 87)
        {
            num52 = 11f;
            num53 = 0.25f;
        }
        if (type == 621)
        {
            num52 = 15f;
            num53 = 0.45f;
        }
        if (type == 375)
        {
            num52 = 6f;
            num53 = 0.15f;
        }
        if (type == 454)
        {
            num52 = 20f;
            num53 = 0.55f;
        }
        if (type == 402)
        {
            num52 = 9f;
            num53 = 0.3f;
        }
        if (type == 117 && Main.wofNPCIndex >= 0)
        {
            float num54 = (float)Main.npc[Main.wofNPCIndex].life / (float)Main.npc[Main.wofNPCIndex].lifeMax;
            if ((double)num54 < 0.5)
            {
                num52 += 1f;
                num53 += 0.1f;
            }
            if ((double)num54 < 0.25)
            {
                num52 += 1f;
                num53 += 0.1f;
            }
            if ((double)num54 < 0.1)
            {
                num52 += 2f;
                num53 += 0.1f;
            }
        }
        if (type == 39)
        {
            num52 = 9f;
            num53 = 0.1f;
            if (Main.getGoodWorld)
            {
                num52 = 10f;
                num53 = 0.12f;
            }
        }
        Vector2 vector5 = new Vector2(position.X + (float)width * 0.5f, position.Y + (float)height * 0.5f);
        float num55 = Main.player[target].position.X + (float)(Main.player[target].width / 2);
        float num56 = Main.player[target].position.Y + (float)(Main.player[target].height / 2);
        if (type == 412)
        {
            num52 = 10f;
            num53 = 0.3f;
            int num57 = -1;
            int num58 = (int)(Main.player[target].Center.X / 16f);
            int num59 = (int)(Main.player[target].Center.Y / 16f);
            for (int num60 = num58 - 2; num60 <= num58 + 2; num60++)
            {
                for (int num61 = num59; num61 <= num59 + 15; num61++)
                {
                    if (WorldGen.SolidTile2(num60, num61))
                    {
                        num57 = num61;
                        break;
                    }
                }
                if (num57 > 0)
                {
                    break;
                }
            }
            if (num57 > 0)
            {
                num57 *= 16;
                float num62 = num57 - 800;
                if (Main.player[target].position.Y > num62)
                {
                    num56 = num62;
                    if (Math.Abs(base.Center.X - Main.player[target].Center.X) < 500f)
                    {
                        num55 = ((!(velocity.X > 0f)) ? (Main.player[target].Center.X - 600f) : (Main.player[target].Center.X + 600f));
                    }
                }
            }
            else
            {
                num52 = 14f;
                num53 = 0.5f;
            }
            float num63 = num52 * 1.3f;
            float num64 = num52 * 0.7f;
            float num65 = velocity.Length();
            if (num65 > 0f)
            {
                if (num65 > num63)
                {
                    velocity.Normalize();
                    velocity *= num63;
                }
                else if (num65 < num64)
                {
                    velocity.Normalize();
                    velocity *= num64;
                }
            }
            if (num57 > 0)
            {
                for (int num66 = 0; num66 < 200; num66++)
                {
                    if (Main.npc[num66].active && Main.npc[num66].type == type && num66 != whoAmI)
                    {
                        Vector2 vector6 = Main.npc[num66].Center - base.Center;
                        if (vector6.Length() < 400f)
                        {
                            vector6.Normalize();
                            vector6 *= 1000f;
                            num55 -= vector6.X;
                            num56 -= vector6.Y;
                        }
                    }
                }
            }
            else
            {
                for (int num67 = 0; num67 < 200; num67++)
                {
                    if (Main.npc[num67].active && Main.npc[num67].type == type && num67 != whoAmI)
                    {
                        Vector2 vector7 = Main.npc[num67].Center - base.Center;
                        if (vector7.Length() < 60f)
                        {
                            vector7.Normalize();
                            vector7 *= 200f;
                            num55 -= vector7.X;
                            num56 -= vector7.Y;
                        }
                    }
                }
            }
        }
        num55 = (int)(num55 / 16f) * 16;
        num56 = (int)(num56 / 16f) * 16;
        vector5.X = (int)(vector5.X / 16f) * 16;
        vector5.Y = (int)(vector5.Y / 16f) * 16;
        num55 -= vector5.X;
        num56 -= vector5.Y;
        if (type == 375)
        {
            num55 *= -1f;
            num56 *= -1f;
        }
        float num68 = (float)Math.Sqrt(num55 * num55 + num56 * num56);
        if (ai[1] > 0f && ai[1] < (float)Main.npc.Length)
        {
            try
            {
                vector5 = new Vector2(position.X + (float)width * 0.5f, position.Y + (float)height * 0.5f);
                num55 = Main.npc[(int)ai[1]].position.X + (float)(Main.npc[(int)ai[1]].width / 2) - vector5.X;
                num56 = Main.npc[(int)ai[1]].position.Y + (float)(Main.npc[(int)ai[1]].height / 2) - vector5.Y;
            }
            catch
            {
            }
            rotation = (float)Math.Atan2(num56, num55) + 1.57f;
            num68 = (float)Math.Sqrt(num55 * num55 + num56 * num56);
            int num69 = width;
            if (type >= 87 && type <= 92)
            {
                num69 = 42;
            }
            if (type >= 454 && type <= 459)
            {
                num69 = 36;
            }
            if (type >= 13 && type <= 15)
            {
                num69 = (int)((float)num69 * scale);
            }
            if (type >= 513 && type <= 515)
            {
                num69 -= 6;
            }
            if (type >= 412 && type <= 414)
            {
                num69 += 6;
            }
            if (type >= 621 && type <= 623)
            {
                num69 = 24;
            }
            if (Main.getGoodWorld && type >= 13 && type <= 15)
            {
                num69 = 62;
            }
            num68 = (num68 - (float)num69) / num68;
            num55 *= num68;
            num56 *= num68;
            velocity = Vector2.Zero;
            position.X += num55;
            position.Y += num56;
            if (type >= 87 && type <= 92)
            {
                if (num55 < 0f)
                {
                    spriteDirection = 1;
                }
                else if (num55 > 0f)
                {
                    spriteDirection = -1;
                }
            }
            if (type >= 454 && type <= 459)
            {
                if (num55 < 0f)
                {
                    spriteDirection = 1;
                }
                else if (num55 > 0f)
                {
                    spriteDirection = -1;
                }
            }
            if (type >= 621 && type <= 623)
            {
                if (num55 < 0f)
                {
                    spriteDirection = 1;
                }
                else if (num55 > 0f)
                {
                    spriteDirection = -1;
                }
            }
        }
        else
        {
            if (!flag2)
            {
                TargetClosest();
                if (type == 39 && velocity.Y < 0f)
                {
                    velocity.Y += 0.08f;
                }
                else
                {
                    velocity.Y += 0.11f;
                }
                if (velocity.Y > num52)
                {
                    velocity.Y = num52;
                }
                if ((double)(Math.Abs(velocity.X) + Math.Abs(velocity.Y)) < (double)num52 * 0.4)
                {
                    if (velocity.X < 0f)
                    {
                        velocity.X -= num53 * 1.1f;
                    }
                    else
                    {
                        velocity.X += num53 * 1.1f;
                    }
                }
                else if (velocity.Y == num52)
                {
                    if (velocity.X < num55)
                    {
                        velocity.X += num53;
                    }
                    else if (velocity.X > num55)
                    {
                        velocity.X -= num53;
                    }
                }
                else if (velocity.Y > 4f)
                {
                    if (velocity.X < 0f)
                    {
                        velocity.X += num53 * 0.9f;
                    }
                    else
                    {
                        velocity.X -= num53 * 0.9f;
                    }
                }
            }
            else
            {
                if (type != 621 && type != 87 && type != 117 && type != 454 && type != 412 && soundDelay == 0)
                {
                    float num70 = num68 / 40f;
                    if (num70 < 10f)
                    {
                        num70 = 10f;
                    }
                    if (num70 > 20f)
                    {
                        num70 = 20f;
                    }
                    soundDelay = (int)num70;
                    SoundEngine.PlaySound(15, (int)position.X, (int)position.Y);
                }
                num68 = (float)Math.Sqrt(num55 * num55 + num56 * num56);
                float num71 = Math.Abs(num55);
                float num72 = Math.Abs(num56);
                float num73 = num52 / num68;
                num55 *= num73;
                num56 *= num73;
                bool flag4 = false;
                if ((type == 7 || type == 13) && ((!Main.player[target].ZoneCorrupt && !Main.player[target].ZoneCrimson) || Main.player[target].dead))
                {
                    flag4 = true;
                }
                if ((type == 513 && (double)Main.player[target].position.Y < Main.worldSurface * 16.0 && !Main.player[target].ZoneSandstorm && !Main.player[target].ZoneUndergroundDesert) || Main.player[target].dead)
                {
                    flag4 = true;
                }
                if ((type == 510 && (double)Main.player[target].position.Y < Main.worldSurface * 16.0 && !Main.player[target].ZoneSandstorm && !Main.player[target].ZoneUndergroundDesert) || Main.player[target].dead)
                {
                    flag4 = true;
                }
                if (flag4)
                {
                    bool flag5 = true;
                    for (int num74 = 0; num74 < 255; num74++)
                    {
                        if (Main.player[num74].active && !Main.player[num74].dead && Main.player[num74].ZoneCorrupt)
                        {
                            flag5 = false;
                        }
                    }
                    if (flag5)
                    {
                        if (Main.netMode != 1 && (double)(position.Y / 16f) > (Main.rockLayer + (double)Main.maxTilesY) / 2.0)
                        {
                            active = false;
                            int num75 = (int)ai[0];
                            while (num75 > 0 && num75 < 200 && Main.npc[num75].active && Main.npc[num75].aiStyle == aiStyle)
                            {
                                int num76 = (int)Main.npc[num75].ai[0];
                                Main.npc[num75].active = false;
                                life = 0;
                                if (Main.netMode == 2)
                                {
                                    NetMessage.SendData(23, -1, -1, null, num75);
                                }
                                num75 = num76;
                            }
                            if (Main.netMode == 2)
                            {
                                NetMessage.SendData(23, -1, -1, null, whoAmI);
                            }
                        }
                        num55 = 0f;
                        num56 = num52;
                    }
                }
                bool flag6 = false;
                if (type == 87)
                {
                    if (((velocity.X > 0f && num55 < 0f) || (velocity.X < 0f && num55 > 0f) || (velocity.Y > 0f && num56 < 0f) || (velocity.Y < 0f && num56 > 0f)) && Math.Abs(velocity.X) + Math.Abs(velocity.Y) > num53 / 2f && num68 < 300f)
                    {
                        flag6 = true;
                        if (Math.Abs(velocity.X) + Math.Abs(velocity.Y) < num52)
                        {
                            velocity *= 1.1f;
                        }
                    }
                    if (position.Y > Main.player[target].position.Y || (double)(Main.player[target].position.Y / 16f) > Main.worldSurface || Main.player[target].dead)
                    {
                        flag6 = true;
                        if (Math.Abs(velocity.X) < num52 / 2f)
                        {
                            if (velocity.X == 0f)
                            {
                                velocity.X -= direction;
                            }
                            velocity.X *= 1.1f;
                        }
                        else if (velocity.Y > 0f - num52)
                        {
                            velocity.Y -= num53;
                        }
                    }
                }
                if (type == 454 || type == 621)
                {
                    float num77 = 300f;
                    if (type == 621)
                    {
                        num77 = 120f;
                    }
                    if (((velocity.X > 0f && num55 < 0f) || (velocity.X < 0f && num55 > 0f) || (velocity.Y > 0f && num56 < 0f) || (velocity.Y < 0f && num56 > 0f)) && Math.Abs(velocity.X) + Math.Abs(velocity.Y) > num53 / 2f && num68 < num77)
                    {
                        flag6 = true;
                        if (Math.Abs(velocity.X) + Math.Abs(velocity.Y) < num52)
                        {
                            velocity *= 1.1f;
                        }
                    }
                    if (position.Y > Main.player[target].position.Y || Main.player[target].dead)
                    {
                        flag6 = true;
                        if (Math.Abs(velocity.X) < num52 / 2f)
                        {
                            if (velocity.X == 0f)
                            {
                                velocity.X -= direction;
                            }
                            velocity.X *= 1.1f;
                        }
                        else if (velocity.Y > 0f - num52)
                        {
                            velocity.Y -= num53;
                        }
                    }
                }
                if (!flag6)
                {
                    if ((velocity.X > 0f && num55 > 0f) || (velocity.X < 0f && num55 < 0f) || (velocity.Y > 0f && num56 > 0f) || (velocity.Y < 0f && num56 < 0f))
                    {
                        if (velocity.X < num55)
                        {
                            velocity.X += num53;
                        }
                        else if (velocity.X > num55)
                        {
                            velocity.X -= num53;
                        }
                        if (velocity.Y < num56)
                        {
                            velocity.Y += num53;
                        }
                        else if (velocity.Y > num56)
                        {
                            velocity.Y -= num53;
                        }
                        if ((double)Math.Abs(num56) < (double)num52 * 0.2 && ((velocity.X > 0f && num55 < 0f) || (velocity.X < 0f && num55 > 0f)))
                        {
                            if (velocity.Y > 0f)
                            {
                                velocity.Y += num53 * 2f;
                            }
                            else
                            {
                                velocity.Y -= num53 * 2f;
                            }
                        }
                        if ((double)Math.Abs(num55) < (double)num52 * 0.2 && ((velocity.Y > 0f && num56 < 0f) || (velocity.Y < 0f && num56 > 0f)))
                        {
                            if (velocity.X > 0f)
                            {
                                velocity.X += num53 * 2f;
                            }
                            else
                            {
                                velocity.X -= num53 * 2f;
                            }
                        }
                    }
                    else if (num71 > num72)
                    {
                        if (velocity.X < num55)
                        {
                            velocity.X += num53 * 1.1f;
                        }
                        else if (velocity.X > num55)
                        {
                            velocity.X -= num53 * 1.1f;
                        }
                        if ((double)(Math.Abs(velocity.X) + Math.Abs(velocity.Y)) < (double)num52 * 0.5)
                        {
                            if (velocity.Y > 0f)
                            {
                                velocity.Y += num53;
                            }
                            else
                            {
                                velocity.Y -= num53;
                            }
                        }
                    }
                    else
                    {
                        if (velocity.Y < num56)
                        {
                            velocity.Y += num53 * 1.1f;
                        }
                        else if (velocity.Y > num56)
                        {
                            velocity.Y -= num53 * 1.1f;
                        }
                        if ((double)(Math.Abs(velocity.X) + Math.Abs(velocity.Y)) < (double)num52 * 0.5)
                        {
                            if (velocity.X > 0f)
                            {
                                velocity.X += num53;
                            }
                            else
                            {
                                velocity.X -= num53;
                            }
                        }
                    }
                }
            }
            rotation = (float)Math.Atan2(velocity.Y, velocity.X) + 1.57f;
            if (type == 7 || type == 10 || type == 13 || type == 39 || type == 95 || type == 98 || type == 117 || type == 510 || type == 513 || type == 621)
            {
                if (flag2)
                {
                    if (localAI[0] != 1f)
                    {
                        netUpdate = true;
                    }
                    localAI[0] = 1f;
                }
                else
                {
                    if (localAI[0] != 0f)
                    {
                        netUpdate = true;
                    }
                    localAI[0] = 0f;
                }
                if (((velocity.X > 0f && oldVelocity.X < 0f) || (velocity.X < 0f && oldVelocity.X > 0f) || (velocity.Y > 0f && oldVelocity.Y < 0f) || (velocity.Y < 0f && oldVelocity.Y > 0f)) && !justHit)
                {
                    netUpdate = true;
                }
            }
            if (type == 454)
            {
                float num78 = Vector2.Distance(Main.player[target].Center, base.Center);
                int num79 = 0;
                if (Vector2.Normalize(Main.player[target].Center - base.Center).ToRotation().AngleTowards(velocity.ToRotation(), (float)Math.PI / 2f) == velocity.ToRotation() && num78 < 350f)
                {
                    num79 = 4;
                }
                if ((double)num79 > frameCounter)
                {
                    frameCounter += 1.0;
                }
                if ((double)num79 < frameCounter)
                {
                    frameCounter -= 1.0;
                }
                if (frameCounter < 0.0)
                {
                    frameCounter = 0.0;
                }
                if (frameCounter > 4.0)
                {
                    frameCounter = 4.0;
                }
            }
        }
        if (type < 13 || type > 15 || (type != 13 && (type == 13 || Main.npc[(int)ai[1]].alpha >= 85)))
        {
            return;
        }
        if (alpha > 0 && life > 0)
        {
            for (int num80 = 0; num80 < 2; num80++)
            {
                int num81 = Dust.NewDust(new Vector2(position.X, position.Y), width, height, 14, 0f, 0f, 100, default(Color), 2f);
                Main.dust[num81].noGravity = true;
                Main.dust[num81].noLight = true;
            }
        }
        if ((position - oldPosition).Length() > 2f)
        {
            alpha -= 42;
            if (alpha < 0)
            {
                alpha = 0;
            }
        }
    }

References System.Math.Abs(), Terraria.Entity.active, Terraria.NPC.ai, Terraria.NPC.aiStyle, Terraria.NPC.alpha, System.Math.Atan2(), Terraria.Collision.CanHitLine(), Terraria.NPC.checkDead(), Terraria.NPC.CopyInteractions(), Terraria.Main.dayTime, Terraria.Entity.direction, Microsoft.Xna.Framework.Vector2.Distance(), Terraria.NPC.dontTakeDamage, Terraria.Main.dust, Terraria.NPC.EncourageDespawn(), Terraria.Main.expertMode, Terraria.NPC.frameCounter, Terraria.NPC.GetEaterOfWorldsSegmentsCount(), Terraria.Main.getGoodWorld, Terraria.NPC.GetSpawnSourceForNPCFromNPCAI(), Terraria.Entity.height, Terraria.NPC.HitEffect(), Terraria.WorldGen.InWorld(), Terraria.ID.SoundID.Item119, Terraria.NPC.justHit, Terraria.WorldGen.KillTile(), Microsoft.Xna.Framework.Vector2.Length(), Terraria.NPC.life, Terraria.NPC.lifeMax, Terraria.NPC.localAI, Terraria.Main.maxTilesX, Terraria.Main.maxTilesY, Terraria.Main.netMode, Terraria.NPC.netOffset, Terraria.NPC.netUpdate, Terraria.Dust.NewDust(), Terraria.NPC.NewNPC(), Microsoft.Xna.Framework.Vector2.Normalize(), Terraria.Main.npc, Terraria.ID.SoundID.NPCDeath13, System.obj, Terraria.Entity.oldPosition, Terraria.Entity.oldVelocity, System.Math.PI, Terraria.Main.player, Terraria.Audio.SoundEngine.PlaySound(), Terraria.Entity.position, Terraria.Main.rand, Terraria.NPC.realLife, Terraria.Utils.Remap(), Terraria.Main.remixWorld, Terraria.Main.rockLayer, Terraria.NPC.rotation, Terraria.NPC.scale, Terraria.NetMessage.SendData(), Terraria.NPC.SetDefaultsKeepPlayerInteraction(), Terraria.WorldGen.SolidTile2(), Terraria.NPC.soundDelay, Terraria.NPC.SpawnStardustMark_StardustWorm(), Terraria.NPC.spriteDirection, System.Math.Sqrt(), Terraria.NPC.target, Terraria.NPC.TargetClosest(), Terraria.Main.tile, Terraria.Main.tileSolid, Terraria.Main.tileSolidTop, Microsoft.Xna.Framework.Color.Transparent, Terraria.NPC.type, Microsoft.Xna.Framework.Graphics.Vector2, Terraria.Entity.velocity, Terraria.Entity.whoAmI, Terraria.Entity.width, Terraria.Main.wofNPCIndex, Terraria.Main.worldSurface, Microsoft.Xna.Framework.Vector2.X, Microsoft.Xna.Framework.Vector2.Y, and Microsoft.Xna.Framework.Vector2.Zero.

Referenced by Terraria.NPC.AI().