TileCollision()

static Vector2 Terraria.Collision.TileCollision ( Vector2 Position, Vector2 Velocity, int Width, int Height, bool fallThrough = false, bool fall2 = false, int gravDir = 1 )

inlinestatic

Definition at line 1910 of file Collision.cs.

    {
        up = false;
        down = false;
        Vector2 result = Velocity;
        Vector2 vector = Velocity;
        Vector2 vector2 = Position + Velocity;
        Vector2 vector3 = Position;
        int value = (int)(Position.X / 16f) - 1;
        int value2 = (int)((Position.X + (float)Width) / 16f) + 2;
        int value3 = (int)(Position.Y / 16f) - 1;
        int value4 = (int)((Position.Y + (float)Height) / 16f) + 2;
        int num = -1;
        int num2 = -1;
        int num3 = -1;
        int num4 = -1;
        int num5 = Utils.Clamp(value, 0, Main.maxTilesX - 1);
        value2 = Utils.Clamp(value2, 0, Main.maxTilesX - 1);
        value3 = Utils.Clamp(value3, 0, Main.maxTilesY - 1);
        value4 = Utils.Clamp(value4, 0, Main.maxTilesY - 1);
        float num6 = (value4 + 3) * 16;
        Vector2 vector4 = default(Vector2);
        for (int i = num5; i < value2; i++)
        {
            for (int j = value3; j < value4; j++)
            {
                if (Main.tile[i, j] == null || !Main.tile[i, j].active() || Main.tile[i, j].inActive() || (!Main.tileSolid[Main.tile[i, j].type] && (!Main.tileSolidTop[Main.tile[i, j].type] || Main.tile[i, j].frameY != 0)))
                {
                    continue;
                }
                vector4.X = i * 16;
                vector4.Y = j * 16;
                int num7 = 16;
                if (Main.tile[i, j].halfBrick())
                {
                    vector4.Y += 8f;
                    num7 -= 8;
                }
                if (!(vector2.X + (float)Width > vector4.X) || !(vector2.X < vector4.X + 16f) || !(vector2.Y + (float)Height > vector4.Y) || !(vector2.Y < vector4.Y + (float)num7))
                {
                    continue;
                }
                bool flag = false;
                bool flag2 = false;
                if (Main.tile[i, j].slope() > 2)
                {
                    if (Main.tile[i, j].slope() == 3 && vector3.Y + Math.Abs(Velocity.X) >= vector4.Y && vector3.X >= vector4.X)
                    {
                        flag2 = true;
                    }
                    if (Main.tile[i, j].slope() == 4 && vector3.Y + Math.Abs(Velocity.X) >= vector4.Y && vector3.X + (float)Width <= vector4.X + 16f)
                    {
                        flag2 = true;
                    }
                }
                else if (Main.tile[i, j].slope() > 0)
                {
                    flag = true;
                    if (Main.tile[i, j].slope() == 1 && vector3.Y + (float)Height - Math.Abs(Velocity.X) <= vector4.Y + (float)num7 && vector3.X >= vector4.X)
                    {
                        flag2 = true;
                    }
                    if (Main.tile[i, j].slope() == 2 && vector3.Y + (float)Height - Math.Abs(Velocity.X) <= vector4.Y + (float)num7 && vector3.X + (float)Width <= vector4.X + 16f)
                    {
                        flag2 = true;
                    }
                }
                if (flag2)
                {
                    continue;
                }
                if (vector3.Y + (float)Height <= vector4.Y)
                {
                    down = true;
                    if ((!(Main.tileSolidTop[Main.tile[i, j].type] && fallThrough) || !(Velocity.Y <= 1f || fall2)) && num6 > vector4.Y)
                    {
                        num3 = i;
                        num4 = j;
                        if (num7 < 16)
                        {
                            num4++;
                        }
                        if (num3 != num && !flag)
                        {
                            result.Y = vector4.Y - (vector3.Y + (float)Height) + ((gravDir == -1) ? (-0.01f) : 0f);
                            num6 = vector4.Y;
                        }
                    }
                }
                else if (vector3.X + (float)Width <= vector4.X && !Main.tileSolidTop[Main.tile[i, j].type])
                {
                    if (i >= 1 && Main.tile[i - 1, j] == null)
                    {
                        Main.tile[i - 1, j] = new Tile();
                    }
                    if (i < 1 || (Main.tile[i - 1, j].slope() != 2 && Main.tile[i - 1, j].slope() != 4))
                    {
                        num = i;
                        num2 = j;
                        if (num2 != num4)
                        {
                            result.X = vector4.X - (vector3.X + (float)Width);
                        }
                        if (num3 == num)
                        {
                            result.Y = vector.Y;
                        }
                    }
                }
                else if (vector3.X >= vector4.X + 16f && !Main.tileSolidTop[Main.tile[i, j].type])
                {
                    if (Main.tile[i + 1, j] == null)
                    {
                        Main.tile[i + 1, j] = new Tile();
                    }
                    if (Main.tile[i + 1, j].slope() != 1 && Main.tile[i + 1, j].slope() != 3)
                    {
                        num = i;
                        num2 = j;
                        if (num2 != num4)
                        {
                            result.X = vector4.X + 16f - vector3.X;
                        }
                        if (num3 == num)
                        {
                            result.Y = vector.Y;
                        }
                    }
                }
                else if (vector3.Y >= vector4.Y + (float)num7 && !Main.tileSolidTop[Main.tile[i, j].type])
                {
                    up = true;
                    num3 = i;
                    num4 = j;
                    result.Y = vector4.Y + (float)num7 - vector3.Y + ((gravDir == 1) ? 0.01f : 0f);
                    if (num4 == num2)
                    {
                        result.X = vector.X;
                    }
                }
            }
        }
        return result;
    }

References System.Math.Abs(), Terraria.Collision.down, Terraria.Main.maxTilesX, Terraria.Main.maxTilesY, Terraria.DataStructures.Tile, Terraria.Main.tile, Terraria.Main.tileSolid, Terraria.Main.tileSolidTop, Terraria.Collision.up, System.value, and Microsoft.Xna.Framework.Vector2.X.

Referenced by Terraria.Projectile.AI_067_FreakingPirates(), Terraria.Projectile.AI_195_JimsDrone(), Terraria.Player.CanSnapToPosition(), Terraria.Player.CheckForGoodTeleportationSpot(), Terraria.NPC.Collision_MoveNormal(), Terraria.NPC.Collision_MoveSolarSroller(), Terraria.NPC.Collision_MoveStardustCell(), Terraria.Player.DoQueenSlimeHookTeleport(), Terraria.Player.DryCollision(), Terraria.Collision.FindCollisionDirection(), Terraria.Collision.FindCollisionTile(), Terraria.Gore.Gore_UpdateLeaf(), Terraria.Gore.Gore_UpdateSail(), Terraria.Projectile.HandleMovement(), Terraria.Player.HoneyCollision(), Terraria.Mount.Hover(), Terraria.Collision.IsClearSpotTest(), Terraria.GameContent.TeleportHelpers.IsInSolidTilesExtended(), Terraria.Item.MoveInWorld(), Terraria.Player.ShimmerCollision(), Terraria.Collision.SlopeCollision(), Terraria.Collision.StepConveyorBelt(), Terraria.Mount.TryBeginningFlight(), Terraria.GameContent.PortalHelper.TryGoingThroughPortals(), Terraria.Mount.TryLanding(), Terraria.Gore.Update(), and Terraria.Player.WaterCollision().