public static bool CanPlace(int x, int y, int type, int style, int dir, out TileObject objectData, bool onlyCheck = false)
{
TileObjectData tileData1 = TileObjectData.GetTileData(type, style, 0);
objectData = TileObject.Empty;
if (tileData1 == null)
return false;
int num1 = x - (int)tileData1.Origin.X;
int num2 = y - (int)tileData1.Origin.Y;
if (num1 < 0 || num1 + tileData1.Width >= Main.maxTilesX || (num2 < 0 || num2 + tileData1.Height >= Main.maxTilesY))
return false;
bool flag1 = tileData1.RandomStyleRange > 0;
if (TileObjectPreviewData.placementCache == null)
TileObjectPreviewData.placementCache = new TileObjectPreviewData();
TileObjectPreviewData.placementCache.Reset();
int num3 = 0;
int num4 = 0;
if (tileData1.AlternatesCount != 0)
num4 = tileData1.AlternatesCount;
float num5 = -1f;
float num6 = -1f;
int num7 = 0;
TileObjectData tileObjectData = (TileObjectData)null;
int alternate = num3 - 1;
while (alternate < num4)
{
++alternate;
TileObjectData tileData2 = TileObjectData.GetTileData(type, style, alternate);
if (tileData2.Direction == TileObjectDirection.None || (tileData2.Direction != TileObjectDirection.PlaceLeft || dir != 1) && (tileData2.Direction != TileObjectDirection.PlaceRight || dir != -1))
{
int num8 = x - (int)tileData2.Origin.X;
int num9 = y - (int)tileData2.Origin.Y;
if (num8 < 5 || num8 + tileData2.Width > Main.maxTilesX - 5 || (num9 < 5 || num9 + tileData2.Height > Main.maxTilesY - 5))
return false;
Rectangle rectangle = new Rectangle(0, 0, tileData2.Width, tileData2.Height);
int X = 0;
int Y = 0;
if (tileData2.AnchorTop.tileCount != 0)
{
if (rectangle.Y == 0)
{
rectangle.Y = -1;
++rectangle.Height;
++Y;
}
int num10 = tileData2.AnchorTop.checkStart;
if (num10 < rectangle.X)
{
rectangle.Width += rectangle.X - num10;
X += rectangle.X - num10;
rectangle.X = num10;
}
int num11 = num10 + tileData2.AnchorTop.tileCount - 1;
int num12 = rectangle.X + rectangle.Width - 1;
if (num11 > num12)
rectangle.Width += num11 - num12;
}
if (tileData2.AnchorBottom.tileCount != 0)
{
if (rectangle.Y + rectangle.Height == tileData2.Height)
++rectangle.Height;
int num10 = tileData2.AnchorBottom.checkStart;
if (num10 < rectangle.X)
{
rectangle.Width += rectangle.X - num10;
X += rectangle.X - num10;
rectangle.X = num10;
}
int num11 = num10 + tileData2.AnchorBottom.tileCount - 1;
int num12 = rectangle.X + rectangle.Width - 1;
if (num11 > num12)
rectangle.Width += num11 - num12;
}
if (tileData2.AnchorLeft.tileCount != 0)
{
if (rectangle.X == 0)
{
rectangle.X = -1;
++rectangle.Width;
++X;
}
int num10 = tileData2.AnchorLeft.checkStart;
if ((tileData2.AnchorLeft.type & AnchorType.Tree) == AnchorType.Tree)
--num10;
if (num10 < rectangle.Y)
{
rectangle.Width += rectangle.Y - num10;
Y += rectangle.Y - num10;
rectangle.Y = num10;
}
int num11 = num10 + tileData2.AnchorLeft.tileCount - 1;
if ((tileData2.AnchorLeft.type & AnchorType.Tree) == AnchorType.Tree)
num11 += 2;
int num12 = rectangle.Y + rectangle.Height - 1;
if (num11 > num12)
rectangle.Height += num11 - num12;
}
if (tileData2.AnchorRight.tileCount != 0)
{
if (rectangle.X + rectangle.Width == tileData2.Width)
++rectangle.Width;
int num10 = tileData2.AnchorLeft.checkStart;
if ((tileData2.AnchorRight.type & AnchorType.Tree) == AnchorType.Tree)
--num10;
if (num10 < rectangle.Y)
{
rectangle.Width += rectangle.Y - num10;
Y += rectangle.Y - num10;
rectangle.Y = num10;
}
int num11 = num10 + tileData2.AnchorRight.tileCount - 1;
if ((tileData2.AnchorRight.type & AnchorType.Tree) == AnchorType.Tree)
num11 += 2;
int num12 = rectangle.Y + rectangle.Height - 1;
if (num11 > num12)
rectangle.Height += num11 - num12;
}
if (onlyCheck)
{
TileObject.objectPreview.Reset();
TileObject.objectPreview.Active = true;
TileObject.objectPreview.Type = (ushort)type;
TileObject.objectPreview.Style = (short)style;
TileObject.objectPreview.Alternate = alternate;
TileObject.objectPreview.Size = new Point16(rectangle.Width, rectangle.Height);
TileObject.objectPreview.ObjectStart = new Point16(X, Y);
TileObject.objectPreview.Coordinates = new Point16(num8 - X, num9 - Y);
}
float num13 = 0.0f;
float num14 = (float)(tileData2.Width * tileData2.Height);
float num15 = 0.0f;
float num16 = 0.0f;
for (int index1 = 0; index1 < tileData2.Width; ++index1)
{
for (int index2 = 0; index2 < tileData2.Height; ++index2)
{
Tile tileSafely = Framing.GetTileSafely(num8 + index1, num9 + index2);
bool flag2 = !tileData2.LiquidPlace(tileSafely);
bool flag3 = false;
if (tileData2.AnchorWall)
{
++num16;
if (!tileData2.isValidWallAnchor((int)tileSafely.wall))
flag3 = true;
else
++num15;
}
bool flag4 = false;
if (tileSafely.active() && !Main.tileCut[(int)tileSafely.type])
flag4 = true;
if (flag4 || flag2 || flag3)
{
if (onlyCheck)
TileObject.objectPreview[index1 + X, index2 + Y] = 2;
}
else
{
if (onlyCheck)
TileObject.objectPreview[index1 + X, index2 + Y] = 1;
++num13;
}
}
}
AnchorData anchorBottom = tileData2.AnchorBottom;
if (anchorBottom.tileCount != 0)
{
num16 += (float)anchorBottom.tileCount;
int height = tileData2.Height;
for (int index = 0; index < anchorBottom.tileCount; ++index)
{
int num10 = anchorBottom.checkStart + index;
Tile tileSafely = Framing.GetTileSafely(num8 + num10, num9 + height);
bool flag2 = false;
if (tileSafely.nactive())
{
if ((anchorBottom.type & AnchorType.SolidTile) == AnchorType.SolidTile && Main.tileSolid[(int)tileSafely.type] && (!Main.tileSolidTop[(int)tileSafely.type] && !Main.tileNoAttach[(int)tileSafely.type]) && (tileData2.FlattenAnchors || tileSafely.blockType() == 0))
flag2 = tileData2.isValidTileAnchor((int)tileSafely.type);
if (!flag2 && ((anchorBottom.type & AnchorType.SolidWithTop) == AnchorType.SolidWithTop || (anchorBottom.type & AnchorType.Table) == AnchorType.Table))
{
if ((int)tileSafely.type == 19)
{
int num11 = (int)tileSafely.frameX / TileObjectData.PlatformFrameWidth();
if (!tileSafely.halfBrick() && num11 >= 0 && num11 <= 7 || (num11 >= 12 && num11 <= 16 || num11 >= 25 && num11 <= 26))
flag2 = true;
}
else if (Main.tileSolid[(int)tileSafely.type] && Main.tileSolidTop[(int)tileSafely.type])
flag2 = true;
}
if (!flag2 && (anchorBottom.type & AnchorType.Table) == AnchorType.Table && ((int)tileSafely.type != 19 && Main.tileTable[(int)tileSafely.type]) && tileSafely.blockType() == 0)
flag2 = true;
if (!flag2 && (anchorBottom.type & AnchorType.SolidSide) == AnchorType.SolidSide && (Main.tileSolid[(int)tileSafely.type] && !Main.tileSolidTop[(int)tileSafely.type]))
{
switch (tileSafely.blockType())
{
case 4:
case 5:
flag2 = tileData2.isValidTileAnchor((int)tileSafely.type);
break;
}
}
if (!flag2 && (anchorBottom.type & AnchorType.AlternateTile) == AnchorType.AlternateTile && tileData2.isValidAlternateAnchor((int)tileSafely.type))
flag2 = true;
}
else if (!flag2 && (anchorBottom.type & AnchorType.EmptyTile) == AnchorType.EmptyTile)
flag2 = true;
if (!flag2)
{
if (onlyCheck)
TileObject.objectPreview[num10 + X, height + Y] = 2;
}
else
{
if (onlyCheck)
TileObject.objectPreview[num10 + X, height + Y] = 1;
++num15;
}
}
}
AnchorData anchorTop = tileData2.AnchorTop;
if (anchorTop.tileCount != 0)
{
num16 += (float)anchorTop.tileCount;
int num10 = -1;
for (int index = 0; index < anchorTop.tileCount; ++index)
{
int num11 = anchorTop.checkStart + index;
Tile tileSafely = Framing.GetTileSafely(num8 + num11, num9 + num10);
bool flag2 = false;
if (tileSafely.nactive())
{
if (Main.tileSolid[(int)tileSafely.type] && !Main.tileSolidTop[(int)tileSafely.type] && !Main.tileNoAttach[(int)tileSafely.type] && (tileData2.FlattenAnchors || tileSafely.blockType() == 0))
flag2 = tileData2.isValidTileAnchor((int)tileSafely.type);
if (!flag2 && (anchorTop.type & AnchorType.SolidBottom) == AnchorType.SolidBottom && (Main.tileSolid[(int)tileSafely.type] && (!Main.tileSolidTop[(int)tileSafely.type] || (int)tileSafely.type == 19 && (tileSafely.halfBrick() || tileSafely.topSlope())) || (tileSafely.halfBrick() || tileSafely.topSlope())) && (!TileID.Sets.NotReallySolid[(int)tileSafely.type] && !tileSafely.bottomSlope()))
flag2 = tileData2.isValidTileAnchor((int)tileSafely.type);
if (!flag2 && (anchorTop.type & AnchorType.SolidSide) == AnchorType.SolidSide && (Main.tileSolid[(int)tileSafely.type] && !Main.tileSolidTop[(int)tileSafely.type]))
{
switch (tileSafely.blockType())
{
case 2:
case 3:
flag2 = tileData2.isValidTileAnchor((int)tileSafely.type);
break;
}
}
if (!flag2 && (anchorTop.type & AnchorType.AlternateTile) == AnchorType.AlternateTile && tileData2.isValidAlternateAnchor((int)tileSafely.type))
flag2 = true;
}
else if (!flag2 && (anchorTop.type & AnchorType.EmptyTile) == AnchorType.EmptyTile)
flag2 = true;
if (!flag2)
{
if (onlyCheck)
TileObject.objectPreview[num11 + X, num10 + Y] = 2;
}
else
{
if (onlyCheck)
TileObject.objectPreview[num11 + X, num10 + Y] = 1;
++num15;
}
}
}
AnchorData anchorRight = tileData2.AnchorRight;
if (anchorRight.tileCount != 0)
{
num16 += (float)anchorRight.tileCount;
int width = tileData2.Width;
for (int index = 0; index < anchorRight.tileCount; ++index)
{
int num10 = anchorRight.checkStart + index;
Tile tileSafely1 = Framing.GetTileSafely(num8 + width, num9 + num10);
bool flag2 = false;
if (tileSafely1.nactive())
{
if (Main.tileSolid[(int)tileSafely1.type] && !Main.tileSolidTop[(int)tileSafely1.type] && !Main.tileNoAttach[(int)tileSafely1.type] && (tileData2.FlattenAnchors || tileSafely1.blockType() == 0))
flag2 = tileData2.isValidTileAnchor((int)tileSafely1.type);
if (!flag2 && (anchorRight.type & AnchorType.SolidSide) == AnchorType.SolidSide && (Main.tileSolid[(int)tileSafely1.type] && !Main.tileSolidTop[(int)tileSafely1.type]))
{
switch (tileSafely1.blockType())
{
case 2:
case 4:
flag2 = tileData2.isValidTileAnchor((int)tileSafely1.type);
break;
}
}
if (!flag2 && (anchorRight.type & AnchorType.Tree) == AnchorType.Tree && (int)tileSafely1.type == 5)
{
flag2 = true;
if (index == 0)
{
++num16;
Tile tileSafely2 = Framing.GetTileSafely(num8 + width, num9 + num10 - 1);
if (tileSafely2.nactive() && (int)tileSafely2.type == 5)
{
++num15;
if (onlyCheck)
TileObject.objectPreview[width + X, num10 + Y - 1] = 1;
}
else if (onlyCheck)
TileObject.objectPreview[width + X, num10 + Y - 1] = 2;
}
if (index == anchorRight.tileCount - 1)
{
++num16;
Tile tileSafely2 = Framing.GetTileSafely(num8 + width, num9 + num10 + 1);
if (tileSafely2.nactive() && (int)tileSafely2.type == 5)
{
++num15;
if (onlyCheck)
TileObject.objectPreview[width + X, num10 + Y + 1] = 1;
}
else if (onlyCheck)
TileObject.objectPreview[width + X, num10 + Y + 1] = 2;
}
}
if (!flag2 && (anchorRight.type & AnchorType.AlternateTile) == AnchorType.AlternateTile && tileData2.isValidAlternateAnchor((int)tileSafely1.type))
flag2 = true;
}
else if (!flag2 && (anchorRight.type & AnchorType.EmptyTile) == AnchorType.EmptyTile)
flag2 = true;
if (!flag2)
{
if (onlyCheck)
TileObject.objectPreview[width + X, num10 + Y] = 2;
}
else
{
if (onlyCheck)
TileObject.objectPreview[width + X, num10 + Y] = 1;
++num15;
}
}
}
AnchorData anchorLeft = tileData2.AnchorLeft;
if (anchorLeft.tileCount != 0)
{
num16 += (float)anchorLeft.tileCount;
int num10 = -1;
for (int index = 0; index < anchorLeft.tileCount; ++index)
{
int num11 = anchorLeft.checkStart + index;
Tile tileSafely1 = Framing.GetTileSafely(num8 + num10, num9 + num11);
bool flag2 = false;
if (tileSafely1.nactive())
{
if (Main.tileSolid[(int)tileSafely1.type] && !Main.tileSolidTop[(int)tileSafely1.type] && !Main.tileNoAttach[(int)tileSafely1.type] && (tileData2.FlattenAnchors || tileSafely1.blockType() == 0))
flag2 = tileData2.isValidTileAnchor((int)tileSafely1.type);
if (!flag2 && (anchorLeft.type & AnchorType.SolidSide) == AnchorType.SolidSide && (Main.tileSolid[(int)tileSafely1.type] && !Main.tileSolidTop[(int)tileSafely1.type]))
{
switch (tileSafely1.blockType())
{
case 3:
case 5:
flag2 = tileData2.isValidTileAnchor((int)tileSafely1.type);
break;
}
}
if (!flag2 && (anchorLeft.type & AnchorType.Tree) == AnchorType.Tree && (int)tileSafely1.type == 5)
{
flag2 = true;
if (index == 0)
{
++num16;
Tile tileSafely2 = Framing.GetTileSafely(num8 + num10, num9 + num11 - 1);
if (tileSafely2.nactive() && (int)tileSafely2.type == 5)
{
++num15;
if (onlyCheck)
TileObject.objectPreview[num10 + X, num11 + Y - 1] = 1;
}
else if (onlyCheck)
TileObject.objectPreview[num10 + X, num11 + Y - 1] = 2;
}
if (index == anchorLeft.tileCount - 1)
{
++num16;
Tile tileSafely2 = Framing.GetTileSafely(num8 + num10, num9 + num11 + 1);
if (tileSafely2.nactive() && (int)tileSafely2.type == 5)
{
++num15;
if (onlyCheck)
TileObject.objectPreview[num10 + X, num11 + Y + 1] = 1;
}
else if (onlyCheck)
TileObject.objectPreview[num10 + X, num11 + Y + 1] = 2;
}
}
if (!flag2 && (anchorLeft.type & AnchorType.AlternateTile) == AnchorType.AlternateTile && tileData2.isValidAlternateAnchor((int)tileSafely1.type))
flag2 = true;
}
else if (!flag2 && (anchorLeft.type & AnchorType.EmptyTile) == AnchorType.EmptyTile)
flag2 = true;
if (!flag2)
{
if (onlyCheck)
TileObject.objectPreview[num10 + X, num11 + Y] = 2;
}
else
{
if (onlyCheck)
TileObject.objectPreview[num10 + X, num11 + Y] = 1;
++num15;
}
}
}
if (tileData2.HookCheck.hook != null)
{
if (tileData2.HookCheck.processedCoordinates)
{
int num10 = (int)tileData2.Origin.X;
int num11 = (int)tileData2.Origin.Y;
}
if (tileData2.HookCheck.hook(x, y, type, style, dir) == tileData2.HookCheck.badReturn && tileData2.HookCheck.badResponse == 0)
{
num15 = 0.0f;
num13 = 0.0f;
TileObject.objectPreview.AllInvalid();
}
}
float num17 = num15 / num16;
float num18 = num13 / num14;
if ((double)num17 == 1.0 && (double)num18 == 1.0)
{
num5 = 1f;
num6 = 1f;
num7 = alternate;
tileObjectData = tileData2;
break;
}
if ((double)num17 > (double)num5 || (double)num17 == (double)num5 && (double)num18 > (double)num6)
{
TileObjectPreviewData.placementCache.CopyFrom(TileObject.objectPreview);
num5 = num17;
num6 = num18;
tileObjectData = tileData2;
num7 = alternate;
}
}
}
int num19 = -1;
if (flag1)
{
if (TileObjectPreviewData.randomCache == null)
TileObjectPreviewData.randomCache = new TileObjectPreviewData();
bool flag2 = false;
if ((int)TileObjectPreviewData.randomCache.Type == type)
{
Point16 coordinates = TileObjectPreviewData.randomCache.Coordinates;
Point16 objectStart = TileObjectPreviewData.randomCache.ObjectStart;
int num8 = (int)coordinates.X + (int)objectStart.X;
int num9 = (int)coordinates.Y + (int)objectStart.Y;
int num10 = x - (int)tileData1.Origin.X;
int num11 = y - (int)tileData1.Origin.Y;
if (num8 != num10 || num9 != num11)
flag2 = true;
}
else
flag2 = true;
num19 = !flag2 ? TileObjectPreviewData.randomCache.Random : Main.rand.Next(tileData1.RandomStyleRange);
}
if (onlyCheck)
{
if ((double)num5 != 1.0 || (double)num6 != 1.0)
{
TileObject.objectPreview.CopyFrom(TileObjectPreviewData.placementCache);
alternate = num7;
}
TileObject.objectPreview.Random = num19;
if (tileData1.RandomStyleRange > 0)
TileObjectPreviewData.randomCache.CopyFrom(TileObject.objectPreview);
}
if (!onlyCheck)
{
objectData.xCoord = x - (int)tileObjectData.Origin.X;
objectData.yCoord = y - (int)tileObjectData.Origin.Y;
objectData.type = type;
objectData.style = style;
objectData.alternate = alternate;
objectData.random = num19;
}
if ((double)num5 == 1.0)
return (double)num6 == 1.0;
return false;
}
