public override void ActionPerform()
        {
            terrain = Map.Terrain;

            painter = Map.Painter;

            resultTiles     = null;
            resultDirection = TileUtil.None;

            //apply centre brushes
            if (!terrain.Tiles[PosNum.X, PosNum.Y].Terrain_IsCliff)
            {
                for (var brushNum = 0; brushNum <= painter.TerrainCount - 1; brushNum++)
                {
                    terrainInner = painter.Terrains[brushNum];
                    if (terrain.Vertices[PosNum.X, PosNum.Y].Terrain == terrainInner)
                    {
                        if (terrain.Vertices[PosNum.X + 1, PosNum.Y].Terrain == terrainInner)
                        {
                            if (terrain.Vertices[PosNum.X, PosNum.Y + 1].Terrain == terrainInner)
                            {
                                if (terrain.Vertices[PosNum.X + 1, PosNum.Y + 1].Terrain == terrainInner)
                                {
                                    //i i i i
                                    resultTiles     = terrainInner.Tiles;
                                    resultDirection = TileUtil.None;
                                }
                            }
                        }
                    }
                }
            }

            //apply transition brushes
            if (!terrain.Tiles[PosNum.X, PosNum.Y].Terrain_IsCliff)
            {
                for (var brushNum = 0; brushNum <= painter.TransitionBrushCount - 1; brushNum++)
                {
                    terrainInner = painter.TransitionBrushes[brushNum].TerrainInner;
                    terrainOuter = painter.TransitionBrushes[brushNum].TerrainOuter;
                    if (terrain.Vertices[PosNum.X, PosNum.Y].Terrain == terrainInner)
                    {
                        if (terrain.Vertices[PosNum.X + 1, PosNum.Y].Terrain == terrainInner)
                        {
                            if (terrain.Vertices[PosNum.X, PosNum.Y + 1].Terrain == terrainInner)
                            {
                                if (terrain.Vertices[PosNum.X + 1, PosNum.Y + 1].Terrain == terrainInner)
                                {
                                    //i i i i
                                    //nothing to do here
                                    break;
                                }
                                if (terrain.Vertices[PosNum.X + 1, PosNum.Y + 1].Terrain == terrainOuter)
                                {
                                    //i i i o
                                    resultTiles     = painter.TransitionBrushes[brushNum].TilesCornerIn;
                                    resultDirection = TileUtil.BottomRight;
                                    break;
                                }
                            }
                            else if (terrain.Vertices[PosNum.X, PosNum.Y + 1].Terrain == terrainOuter)
                            {
                                if (terrain.Vertices[PosNum.X + 1, PosNum.Y + 1].Terrain == terrainInner)
                                {
                                    //i i o i
                                    resultTiles     = painter.TransitionBrushes[brushNum].TilesCornerIn;
                                    resultDirection = TileUtil.BottomLeft;
                                    break;
                                }
                                if (terrain.Vertices[PosNum.X + 1, PosNum.Y + 1].Terrain == terrainOuter)
                                {
                                    //i i o o
                                    resultTiles     = painter.TransitionBrushes[brushNum].TilesStraight;
                                    resultDirection = TileUtil.Bottom;
                                    break;
                                }
                            }
                        }
                        else if (terrain.Vertices[PosNum.X + 1, PosNum.Y].Terrain == terrainOuter)
                        {
                            if (terrain.Vertices[PosNum.X, PosNum.Y + 1].Terrain == terrainInner)
                            {
                                if (terrain.Vertices[PosNum.X + 1, PosNum.Y + 1].Terrain == terrainInner)
                                {
                                    //i o i i
                                    resultTiles     = painter.TransitionBrushes[brushNum].TilesCornerIn;
                                    resultDirection = TileUtil.TopRight;
                                    break;
                                }
                                if (terrain.Vertices[PosNum.X + 1, PosNum.Y + 1].Terrain == terrainOuter)
                                {
                                    //i o i o
                                    resultTiles     = painter.TransitionBrushes[brushNum].TilesStraight;
                                    resultDirection = TileUtil.Right;
                                    break;
                                }
                            }
                            else if (terrain.Vertices[PosNum.X, PosNum.Y + 1].Terrain == terrainOuter)
                            {
                                if (terrain.Vertices[PosNum.X + 1, PosNum.Y + 1].Terrain == terrainInner)
                                {
                                    //i o o i
                                    resultTiles     = null;
                                    resultDirection = TileUtil.None;
                                    break;
                                }
                                if (terrain.Vertices[PosNum.X + 1, PosNum.Y + 1].Terrain == terrainOuter)
                                {
                                    //i o o o
                                    resultTiles     = painter.TransitionBrushes[brushNum].TilesCornerOut;
                                    resultDirection = TileUtil.BottomRight;
                                    break;
                                }
                            }
                        }
                    }
                    else if (terrain.Vertices[PosNum.X, PosNum.Y].Terrain == terrainOuter)
                    {
                        if (terrain.Vertices[PosNum.X + 1, PosNum.Y].Terrain == terrainInner)
                        {
                            if (terrain.Vertices[PosNum.X, PosNum.Y + 1].Terrain == terrainInner)
                            {
                                if (terrain.Vertices[PosNum.X + 1, PosNum.Y + 1].Terrain == terrainInner)
                                {
                                    //o i i i
                                    resultTiles     = painter.TransitionBrushes[brushNum].TilesCornerIn;
                                    resultDirection = TileUtil.TopLeft;
                                    break;
                                }
                                if (terrain.Vertices[PosNum.X + 1, PosNum.Y + 1].Terrain == terrainOuter)
                                {
                                    //o i i o
                                    resultTiles     = null;
                                    resultDirection = TileUtil.None;
                                    break;
                                }
                            }
                            else if (terrain.Vertices[PosNum.X, PosNum.Y + 1].Terrain == terrainOuter)
                            {
                                if (terrain.Vertices[PosNum.X + 1, PosNum.Y + 1].Terrain == terrainInner)
                                {
                                    //o i o i
                                    resultTiles     = painter.TransitionBrushes[brushNum].TilesStraight;
                                    resultDirection = TileUtil.Left;
                                    break;
                                }
                                if (terrain.Vertices[PosNum.X + 1, PosNum.Y + 1].Terrain == terrainOuter)
                                {
                                    //o i o o
                                    resultTiles     = painter.TransitionBrushes[brushNum].TilesCornerOut;
                                    resultDirection = TileUtil.BottomLeft;
                                    break;
                                }
                            }
                        }
                        else if (terrain.Vertices[PosNum.X + 1, PosNum.Y].Terrain == terrainOuter)
                        {
                            if (terrain.Vertices[PosNum.X, PosNum.Y + 1].Terrain == terrainInner)
                            {
                                if (terrain.Vertices[PosNum.X + 1, PosNum.Y + 1].Terrain == terrainInner)
                                {
                                    //o o i i
                                    resultTiles     = painter.TransitionBrushes[brushNum].TilesStraight;
                                    resultDirection = TileUtil.Top;
                                    break;
                                }
                                if (terrain.Vertices[PosNum.X + 1, PosNum.Y + 1].Terrain == terrainOuter)
                                {
                                    //o o i o
                                    resultTiles     = painter.TransitionBrushes[brushNum].TilesCornerOut;
                                    resultDirection = TileUtil.TopRight;
                                    break;
                                }
                            }
                            else if (terrain.Vertices[PosNum.X, PosNum.Y + 1].Terrain == terrainOuter)
                            {
                                if (terrain.Vertices[PosNum.X + 1, PosNum.Y + 1].Terrain == terrainInner)
                                {
                                    //o o o i
                                    resultTiles     = painter.TransitionBrushes[brushNum].TilesCornerOut;
                                    resultDirection = TileUtil.TopLeft;
                                    break;
                                }
                                if (terrain.Vertices[PosNum.X + 1, PosNum.Y + 1].Terrain == terrainOuter)
                                {
                                    //o o o o
                                    //nothing to do here
                                    break;
                                }
                            }
                        }
                    }
                }
            }

            //set cliff tiles
            if (terrain.Tiles[PosNum.X, PosNum.Y].Tri)
            {
                if (terrain.Tiles[PosNum.X, PosNum.Y].TriTopLeftIsCliff)
                {
                    if (terrain.Tiles[PosNum.X, PosNum.Y].TriBottomRightIsCliff)
                    {
                        var brushNum = 0;
                        for (brushNum = 0; brushNum <= painter.CliffBrushCount - 1; brushNum++)
                        {
                            terrainInner = painter.CliffBrushes[brushNum].Terrain_Inner;
                            terrainOuter = painter.CliffBrushes[brushNum].Terrain_Outer;
                            if (terrainInner == terrainOuter)
                            {
                                var a = 0;
                                if (terrain.Vertices[PosNum.X, PosNum.Y].Terrain == terrainInner)
                                {
                                    a++;
                                }
                                if (terrain.Vertices[PosNum.X + 1, PosNum.Y].Terrain == terrainInner)
                                {
                                    a++;
                                }
                                if (terrain.Vertices[PosNum.X, PosNum.Y + 1].Terrain == terrainInner)
                                {
                                    a++;
                                }
                                if (terrain.Vertices[PosNum.X + 1, PosNum.Y + 1].Terrain == terrainInner)
                                {
                                    a++;
                                }
                                if (a >= 3)
                                {
                                    resultTiles     = painter.CliffBrushes[brushNum].Tiles_Straight;
                                    resultDirection = terrain.Tiles[PosNum.X, PosNum.Y].DownSide;
                                    break;
                                }
                            }
                            if (((terrain.Vertices[PosNum.X, PosNum.Y].Terrain == terrainInner && terrain.Vertices[PosNum.X + 1, PosNum.Y].Terrain == terrainInner) &&
                                 (terrain.Vertices[PosNum.X, PosNum.Y + 1].Terrain == terrainOuter ||
                                  terrain.Vertices[PosNum.X + 1, PosNum.Y + 1].Terrain == terrainOuter)) ||
                                ((terrain.Vertices[PosNum.X, PosNum.Y].Terrain == terrainInner || terrain.Vertices[PosNum.X + 1, PosNum.Y].Terrain == terrainInner) &&
                                 (terrain.Vertices[PosNum.X, PosNum.Y + 1].Terrain == terrainOuter &&
                                  terrain.Vertices[PosNum.X + 1, PosNum.Y + 1].Terrain == terrainOuter)))
                            {
                                resultTiles     = painter.CliffBrushes[brushNum].Tiles_Straight;
                                resultDirection = TileUtil.Bottom;
                                break;
                            }
                            if (((terrain.Vertices[PosNum.X, PosNum.Y].Terrain == terrainOuter &&
                                  terrain.Vertices[PosNum.X, PosNum.Y + 1].Terrain == terrainOuter) &&
                                 (terrain.Vertices[PosNum.X + 1, PosNum.Y].Terrain == terrainInner ||
                                  terrain.Vertices[PosNum.X + 1, PosNum.Y + 1].Terrain == terrainInner)) ||
                                ((terrain.Vertices[PosNum.X, PosNum.Y].Terrain == terrainOuter ||
                                  terrain.Vertices[PosNum.X, PosNum.Y + 1].Terrain == terrainOuter) &&
                                 (terrain.Vertices[PosNum.X + 1, PosNum.Y].Terrain == terrainInner &&
                                  terrain.Vertices[PosNum.X + 1, PosNum.Y + 1].Terrain == terrainInner)))
                            {
                                resultTiles     = painter.CliffBrushes[brushNum].Tiles_Straight;
                                resultDirection = TileUtil.Left;
                                break;
                            }
                            if (((terrain.Vertices[PosNum.X, PosNum.Y].Terrain == terrainOuter &&
                                  terrain.Vertices[PosNum.X + 1, PosNum.Y].Terrain == terrainOuter) &&
                                 (terrain.Vertices[PosNum.X, PosNum.Y + 1].Terrain == terrainInner ||
                                  terrain.Vertices[PosNum.X + 1, PosNum.Y + 1].Terrain == terrainInner)) ||
                                ((terrain.Vertices[PosNum.X, PosNum.Y].Terrain == terrainOuter ||
                                  terrain.Vertices[PosNum.X + 1, PosNum.Y].Terrain == terrainOuter) &&
                                 (terrain.Vertices[PosNum.X, PosNum.Y + 1].Terrain == terrainInner &&
                                  terrain.Vertices[PosNum.X + 1, PosNum.Y + 1].Terrain == terrainInner)))
                            {
                                resultTiles     = painter.CliffBrushes[brushNum].Tiles_Straight;
                                resultDirection = TileUtil.Top;
                                break;
                            }
                            if (((terrain.Vertices[PosNum.X, PosNum.Y].Terrain == terrainInner &&
                                  terrain.Vertices[PosNum.X, PosNum.Y + 1].Terrain == terrainInner) &&
                                 (terrain.Vertices[PosNum.X + 1, PosNum.Y].Terrain == terrainOuter ||
                                  terrain.Vertices[PosNum.X + 1, PosNum.Y + 1].Terrain == terrainOuter)) ||
                                ((terrain.Vertices[PosNum.X, PosNum.Y].Terrain == terrainInner ||
                                  terrain.Vertices[PosNum.X, PosNum.Y + 1].Terrain == terrainInner) &&
                                 (terrain.Vertices[PosNum.X + 1, PosNum.Y].Terrain == terrainOuter &&
                                  terrain.Vertices[PosNum.X + 1, PosNum.Y + 1].Terrain == terrainOuter)))
                            {
                                resultTiles     = painter.CliffBrushes[brushNum].Tiles_Straight;
                                resultDirection = TileUtil.Right;
                                break;
                            }
                        }
                        if (brushNum == painter.CliffBrushCount)
                        {
                            resultTiles     = null;
                            resultDirection = TileUtil.None;
                        }
                    }
                    else
                    {
                        var brushNum = 0;
                        for (brushNum = 0; brushNum <= painter.CliffBrushCount - 1; brushNum++)
                        {
                            terrainInner = painter.CliffBrushes[brushNum].Terrain_Inner;
                            terrainOuter = painter.CliffBrushes[brushNum].Terrain_Outer;
                            if (terrain.Vertices[PosNum.X, PosNum.Y].Terrain == terrainOuter)
                            {
                                var a = 0;
                                if (terrain.Vertices[PosNum.X + 1, PosNum.Y].Terrain == terrainInner)
                                {
                                    a++;
                                }
                                if (terrain.Vertices[PosNum.X, PosNum.Y + 1].Terrain == terrainInner)
                                {
                                    a++;
                                }
                                if (terrain.Vertices[PosNum.X + 1, PosNum.Y + 1].Terrain == terrainInner)
                                {
                                    a++;
                                }
                                if (a >= 2)
                                {
                                    resultTiles     = painter.CliffBrushes[brushNum].Tiles_Corner_In;
                                    resultDirection = TileUtil.TopLeft;
                                    break;
                                }
                            }
                            else if (terrain.Vertices[PosNum.X, PosNum.Y].Terrain == terrainInner)
                            {
                                var A = 0;
                                if (terrain.Vertices[PosNum.X + 1, PosNum.Y].Terrain == terrainOuter)
                                {
                                    A++;
                                }
                                if (terrain.Vertices[PosNum.X, PosNum.Y + 1].Terrain == terrainOuter)
                                {
                                    A++;
                                }
                                if (terrain.Vertices[PosNum.X + 1, PosNum.Y + 1].Terrain == terrainOuter)
                                {
                                    A++;
                                }
                                if (A >= 2)
                                {
                                    resultTiles     = painter.CliffBrushes[brushNum].Tiles_Corner_Out;
                                    resultDirection = TileUtil.BottomRight;
                                    break;
                                }
                            }
                        }
                        if (brushNum == painter.CliffBrushCount)
                        {
                            resultTiles     = null;
                            resultDirection = TileUtil.None;
                        }
                    }
                }
                else if (terrain.Tiles[PosNum.X, PosNum.Y].TriBottomRightIsCliff)
                {
                    var brushNum = 0;
                    for (brushNum = 0; brushNum <= painter.CliffBrushCount - 1; brushNum++)
                    {
                        terrainInner = painter.CliffBrushes[brushNum].Terrain_Inner;
                        terrainOuter = painter.CliffBrushes[brushNum].Terrain_Outer;
                        if (terrain.Vertices[PosNum.X + 1, PosNum.Y + 1].Terrain == terrainOuter)
                        {
                            var a = 0;
                            if (terrain.Vertices[PosNum.X, PosNum.Y].Terrain == terrainInner)
                            {
                                a++;
                            }
                            if (terrain.Vertices[PosNum.X + 1, PosNum.Y].Terrain == terrainInner)
                            {
                                a++;
                            }
                            if (terrain.Vertices[PosNum.X, PosNum.Y + 1].Terrain == terrainInner)
                            {
                                a++;
                            }
                            if (a >= 2)
                            {
                                resultTiles     = painter.CliffBrushes[brushNum].Tiles_Corner_In;
                                resultDirection = TileUtil.BottomRight;
                                break;
                            }
                        }
                        else if (terrain.Vertices[PosNum.X + 1, PosNum.Y + 1].Terrain == terrainInner)
                        {
                            var a = 0;
                            if (terrain.Vertices[PosNum.X, PosNum.Y].Terrain == terrainOuter)
                            {
                                a++;
                            }
                            if (terrain.Vertices[PosNum.X + 1, PosNum.Y].Terrain == terrainOuter)
                            {
                                a++;
                            }
                            if (terrain.Vertices[PosNum.X, PosNum.Y + 1].Terrain == terrainOuter)
                            {
                                a++;
                            }
                            if (a >= 2)
                            {
                                resultTiles     = painter.CliffBrushes[brushNum].Tiles_Corner_Out;
                                resultDirection = TileUtil.TopLeft;
                                break;
                            }
                        }
                    }
                    if (brushNum == painter.CliffBrushCount)
                    {
                        resultTiles     = null;
                        resultDirection = TileUtil.None;
                    }
                }
            }
            else
            {
                //default tri orientation
                if (terrain.Tiles[PosNum.X, PosNum.Y].TriTopRightIsCliff)
                {
                    if (terrain.Tiles[PosNum.X, PosNum.Y].TriBottomLeftIsCliff)
                    {
                        var brushNum = 0;
                        for (brushNum = 0; brushNum <= painter.CliffBrushCount - 1; brushNum++)
                        {
                            terrainInner = painter.CliffBrushes[brushNum].Terrain_Inner;
                            terrainOuter = painter.CliffBrushes[brushNum].Terrain_Outer;
                            if (terrainInner == terrainOuter)
                            {
                                var a = 0;
                                if (terrain.Vertices[PosNum.X, PosNum.Y].Terrain == terrainInner)
                                {
                                    a++;
                                }
                                if (terrain.Vertices[PosNum.X + 1, PosNum.Y].Terrain == terrainInner)
                                {
                                    a++;
                                }
                                if (terrain.Vertices[PosNum.X, PosNum.Y + 1].Terrain == terrainInner)
                                {
                                    a++;
                                }
                                if (terrain.Vertices[PosNum.X + 1, PosNum.Y + 1].Terrain == terrainInner)
                                {
                                    a++;
                                }
                                if (a >= 3)
                                {
                                    resultTiles     = painter.CliffBrushes[brushNum].Tiles_Straight;
                                    resultDirection = terrain.Tiles[PosNum.X, PosNum.Y].DownSide;
                                    break;
                                }
                            }
                            if (((terrain.Vertices[PosNum.X, PosNum.Y].Terrain == terrainInner && terrain.Vertices[PosNum.X + 1, PosNum.Y].Terrain == terrainInner) &&
                                 (terrain.Vertices[PosNum.X, PosNum.Y + 1].Terrain == terrainOuter ||
                                  terrain.Vertices[PosNum.X + 1, PosNum.Y + 1].Terrain == terrainOuter)) ||
                                ((terrain.Vertices[PosNum.X, PosNum.Y].Terrain == terrainInner || terrain.Vertices[PosNum.X + 1, PosNum.Y].Terrain == terrainInner) &&
                                 (terrain.Vertices[PosNum.X, PosNum.Y + 1].Terrain == terrainOuter &&
                                  terrain.Vertices[PosNum.X + 1, PosNum.Y + 1].Terrain == terrainOuter)))
                            {
                                resultTiles     = painter.CliffBrushes[brushNum].Tiles_Straight;
                                resultDirection = TileUtil.Bottom;
                                break;
                            }
                            if (((terrain.Vertices[PosNum.X, PosNum.Y].Terrain == terrainOuter &&
                                  terrain.Vertices[PosNum.X, PosNum.Y + 1].Terrain == terrainOuter) &&
                                 (terrain.Vertices[PosNum.X + 1, PosNum.Y].Terrain == terrainInner ||
                                  terrain.Vertices[PosNum.X + 1, PosNum.Y + 1].Terrain == terrainInner)) ||
                                ((terrain.Vertices[PosNum.X, PosNum.Y].Terrain == terrainOuter ||
                                  terrain.Vertices[PosNum.X, PosNum.Y + 1].Terrain == terrainOuter) &&
                                 (terrain.Vertices[PosNum.X + 1, PosNum.Y].Terrain == terrainInner &&
                                  terrain.Vertices[PosNum.X + 1, PosNum.Y + 1].Terrain == terrainInner)))
                            {
                                resultTiles     = painter.CliffBrushes[brushNum].Tiles_Straight;
                                resultDirection = TileUtil.Left;
                                break;
                            }
                            if (((terrain.Vertices[PosNum.X, PosNum.Y].Terrain == terrainOuter &&
                                  terrain.Vertices[PosNum.X + 1, PosNum.Y].Terrain == terrainOuter) &&
                                 (terrain.Vertices[PosNum.X, PosNum.Y + 1].Terrain == terrainInner ||
                                  terrain.Vertices[PosNum.X + 1, PosNum.Y + 1].Terrain == terrainInner)) ||
                                ((terrain.Vertices[PosNum.X, PosNum.Y].Terrain == terrainOuter ||
                                  terrain.Vertices[PosNum.X + 1, PosNum.Y].Terrain == terrainOuter) &&
                                 (terrain.Vertices[PosNum.X, PosNum.Y + 1].Terrain == terrainInner &&
                                  terrain.Vertices[PosNum.X + 1, PosNum.Y + 1].Terrain == terrainInner)))
                            {
                                resultTiles     = painter.CliffBrushes[brushNum].Tiles_Straight;
                                resultDirection = TileUtil.Top;
                                break;
                            }
                            if (((terrain.Vertices[PosNum.X, PosNum.Y].Terrain == terrainInner &&
                                  terrain.Vertices[PosNum.X, PosNum.Y + 1].Terrain == terrainInner) &&
                                 (terrain.Vertices[PosNum.X + 1, PosNum.Y].Terrain == terrainOuter ||
                                  terrain.Vertices[PosNum.X + 1, PosNum.Y + 1].Terrain == terrainOuter)) ||
                                ((terrain.Vertices[PosNum.X, PosNum.Y].Terrain == terrainInner ||
                                  terrain.Vertices[PosNum.X, PosNum.Y + 1].Terrain == terrainInner) &&
                                 (terrain.Vertices[PosNum.X + 1, PosNum.Y].Terrain == terrainOuter &&
                                  terrain.Vertices[PosNum.X + 1, PosNum.Y + 1].Terrain == terrainOuter)))
                            {
                                resultTiles     = painter.CliffBrushes[brushNum].Tiles_Straight;
                                resultDirection = TileUtil.Right;
                                break;
                            }
                        }
                        if (brushNum == painter.CliffBrushCount)
                        {
                            resultTiles     = null;
                            resultDirection = TileUtil.None;
                        }
                    }
                    else
                    {
                        var brushNum = 0;
                        for (brushNum = 0; brushNum <= painter.CliffBrushCount - 1; brushNum++)
                        {
                            terrainInner = painter.CliffBrushes[brushNum].Terrain_Inner;
                            terrainOuter = painter.CliffBrushes[brushNum].Terrain_Outer;
                            if (terrain.Vertices[PosNum.X + 1, PosNum.Y].Terrain == terrainOuter)
                            {
                                var a = 0;
                                if (terrain.Vertices[PosNum.X, PosNum.Y].Terrain == terrainInner)
                                {
                                    a++;
                                }
                                if (terrain.Vertices[PosNum.X, PosNum.Y + 1].Terrain == terrainInner)
                                {
                                    a++;
                                }
                                if (terrain.Vertices[PosNum.X + 1, PosNum.Y + 1].Terrain == terrainInner)
                                {
                                    a++;
                                }
                                if (a >= 2)
                                {
                                    resultTiles     = painter.CliffBrushes[brushNum].Tiles_Corner_In;
                                    resultDirection = TileUtil.TopRight;
                                    break;
                                }
                            }
                            else if (terrain.Vertices[PosNum.X + 1, PosNum.Y].Terrain == terrainInner)
                            {
                                var a = 0;
                                if (terrain.Vertices[PosNum.X, PosNum.Y].Terrain == terrainOuter)
                                {
                                    a++;
                                }
                                if (terrain.Vertices[PosNum.X, PosNum.Y + 1].Terrain == terrainOuter)
                                {
                                    a++;
                                }
                                if (terrain.Vertices[PosNum.X + 1, PosNum.Y + 1].Terrain == terrainOuter)
                                {
                                    a++;
                                }
                                if (a >= 2)
                                {
                                    resultTiles     = painter.CliffBrushes[brushNum].Tiles_Corner_Out;
                                    resultDirection = TileUtil.BottomLeft;
                                    break;
                                }
                            }
                        }
                        if (brushNum == painter.CliffBrushCount)
                        {
                            resultTiles     = null;
                            resultDirection = TileUtil.None;
                        }
                    }
                }
                else if (terrain.Tiles[PosNum.X, PosNum.Y].TriBottomLeftIsCliff)
                {
                    var BrushNum = 0;
                    for (BrushNum = 0; BrushNum <= painter.CliffBrushCount - 1; BrushNum++)
                    {
                        terrainInner = painter.CliffBrushes[BrushNum].Terrain_Inner;
                        terrainOuter = painter.CliffBrushes[BrushNum].Terrain_Outer;
                        if (terrain.Vertices[PosNum.X, PosNum.Y + 1].Terrain == terrainOuter)
                        {
                            var A = 0;
                            if (terrain.Vertices[PosNum.X, PosNum.Y].Terrain == terrainInner)
                            {
                                A++;
                            }
                            if (terrain.Vertices[PosNum.X + 1, PosNum.Y].Terrain == terrainInner)
                            {
                                A++;
                            }
                            if (terrain.Vertices[PosNum.X + 1, PosNum.Y + 1].Terrain == terrainInner)
                            {
                                A++;
                            }
                            if (A >= 2)
                            {
                                resultTiles     = painter.CliffBrushes[BrushNum].Tiles_Corner_In;
                                resultDirection = TileUtil.BottomLeft;
                                break;
                            }
                        }
                        else if (terrain.Vertices[PosNum.X, PosNum.Y + 1].Terrain == terrainInner)
                        {
                            var A = 0;
                            if (terrain.Vertices[PosNum.X, PosNum.Y].Terrain == terrainOuter)
                            {
                                A++;
                            }
                            if (terrain.Vertices[PosNum.X + 1, PosNum.Y].Terrain == terrainOuter)
                            {
                                A++;
                            }
                            if (terrain.Vertices[PosNum.X + 1, PosNum.Y + 1].Terrain == terrainOuter)
                            {
                                A++;
                            }
                            if (A >= 2)
                            {
                                resultTiles     = painter.CliffBrushes[BrushNum].Tiles_Corner_Out;
                                resultDirection = TileUtil.TopRight;
                                break;
                            }
                        }
                    }
                    if (BrushNum == painter.CliffBrushCount)
                    {
                        resultTiles     = null;
                        resultDirection = TileUtil.None;
                    }
                }
            }

            //apply roads
            road = null;
            if (terrain.SideH[PosNum.X, PosNum.Y].Road != null)
            {
                road = terrain.SideH[PosNum.X, PosNum.Y].Road;
            }
            else if (terrain.SideH[PosNum.X, PosNum.Y + 1].Road != null)
            {
                road = terrain.SideH[PosNum.X, PosNum.Y + 1].Road;
            }
            else if (terrain.SideV[PosNum.X + 1, PosNum.Y].Road != null)
            {
                road = terrain.SideV[PosNum.X + 1, PosNum.Y].Road;
            }
            else if (terrain.SideV[PosNum.X, PosNum.Y].Road != null)
            {
                road = terrain.SideV[PosNum.X, PosNum.Y].Road;
            }
            if (road != null)
            {
                var BrushNum = 0;
                for (BrushNum = 0; BrushNum <= painter.RoadBrushCount - 1; BrushNum++)
                {
                    if (painter.RoadBrushes[BrushNum].Road == road)
                    {
                        terrainOuter = painter.RoadBrushes[BrushNum].Terrain;
                        var A = 0;
                        if (terrain.Vertices[PosNum.X, PosNum.Y].Terrain == terrainOuter)
                        {
                            A++;
                        }
                        if (terrain.Vertices[PosNum.X + 1, PosNum.Y].Terrain == terrainOuter)
                        {
                            A++;
                        }
                        if (terrain.Vertices[PosNum.X, PosNum.Y + 1].Terrain == terrainOuter)
                        {
                            A++;
                        }
                        if (terrain.Vertices[PosNum.X + 1, PosNum.Y + 1].Terrain == terrainOuter)
                        {
                            A++;
                        }
                        if (A >= 2)
                        {
                            break;
                        }
                    }
                }

                resultTiles     = null;
                resultDirection = TileUtil.None;

                if (BrushNum < painter.RoadBrushCount)
                {
                    roadTop    = terrain.SideH[PosNum.X, PosNum.Y].Road == road;
                    roadLeft   = terrain.SideV[PosNum.X, PosNum.Y].Road == road;
                    roadRight  = terrain.SideV[PosNum.X + 1, PosNum.Y].Road == road;
                    roadBottom = terrain.SideH[PosNum.X, PosNum.Y + 1].Road == road;
                    //do cross intersection
                    if (roadTop && roadLeft && roadRight && roadBottom)
                    {
                        resultTiles     = painter.RoadBrushes[BrushNum].Tile_CrossIntersection;
                        resultDirection = TileUtil.None;
                        //do T intersection
                    }
                    else if (roadTop && roadLeft && roadRight)
                    {
                        resultTiles     = painter.RoadBrushes[BrushNum].Tile_TIntersection;
                        resultDirection = TileUtil.Top;
                    }
                    else if (roadTop && roadLeft && roadBottom)
                    {
                        resultTiles     = painter.RoadBrushes[BrushNum].Tile_TIntersection;
                        resultDirection = TileUtil.Left;
                    }
                    else if (roadTop && roadRight && roadBottom)
                    {
                        resultTiles     = painter.RoadBrushes[BrushNum].Tile_TIntersection;
                        resultDirection = TileUtil.Right;
                    }
                    else if (roadLeft && roadRight && roadBottom)
                    {
                        resultTiles     = painter.RoadBrushes[BrushNum].Tile_TIntersection;
                        resultDirection = TileUtil.Bottom;
                        //do straight
                    }
                    else if (roadTop && roadBottom)
                    {
                        resultTiles = painter.RoadBrushes[BrushNum].Tile_Straight;
                        if (App.Random.Next() >= 0.5F)
                        {
                            resultDirection = TileUtil.Top;
                        }
                        else
                        {
                            resultDirection = TileUtil.Bottom;
                        }
                    }
                    else if (roadLeft && roadRight)
                    {
                        resultTiles = painter.RoadBrushes[BrushNum].Tile_Straight;
                        if (App.Random.Next() >= 0.5F)
                        {
                            resultDirection = TileUtil.Left;
                        }
                        else
                        {
                            resultDirection = TileUtil.Right;
                        }
                        //do corner
                    }
                    else if (roadTop && roadLeft)
                    {
                        resultTiles     = painter.RoadBrushes[BrushNum].Tile_Corner_In;
                        resultDirection = TileUtil.TopLeft;
                    }
                    else if (roadTop && roadRight)
                    {
                        resultTiles     = painter.RoadBrushes[BrushNum].Tile_Corner_In;
                        resultDirection = TileUtil.TopRight;
                    }
                    else if (roadLeft && roadBottom)
                    {
                        resultTiles     = painter.RoadBrushes[BrushNum].Tile_Corner_In;
                        resultDirection = TileUtil.BottomLeft;
                    }
                    else if (roadRight && roadBottom)
                    {
                        resultTiles     = painter.RoadBrushes[BrushNum].Tile_Corner_In;
                        resultDirection = TileUtil.BottomRight;
                        //do end
                    }
                    else if (roadTop)
                    {
                        resultTiles     = painter.RoadBrushes[BrushNum].Tile_End;
                        resultDirection = TileUtil.Top;
                    }
                    else if (roadLeft)
                    {
                        resultTiles     = painter.RoadBrushes[BrushNum].Tile_End;
                        resultDirection = TileUtil.Left;
                    }
                    else if (roadRight)
                    {
                        resultTiles     = painter.RoadBrushes[BrushNum].Tile_End;
                        resultDirection = TileUtil.Right;
                    }
                    else if (roadBottom)
                    {
                        resultTiles     = painter.RoadBrushes[BrushNum].Tile_End;
                        resultDirection = TileUtil.Bottom;
                    }
                }
            }

            if (resultTiles == null)
            {
                resultTexture.TextureNum = -1;
                resultTexture.Direction  = TileUtil.None;
            }
            else
            {
                resultTexture = resultTiles.GetRandom();
            }
            if (resultTexture.TextureNum < 0)
            {
                if (MakeInvalidTiles)
                {
                    terrain.Tiles[PosNum.X, PosNum.Y].Texture = TileUtil.OrientateTile(ref resultTexture, resultDirection);
                }
            }
            else
            {
                terrain.Tiles[PosNum.X, PosNum.Y].Texture = TileUtil.OrientateTile(ref resultTexture, resultDirection);
            }

            Map.SectorGraphicsChanges.TileChanged(PosNum);
            Map.SectorTerrainUndoChanges.TileChanged(PosNum);
        }
Esempio n. 2
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        public void Rotate(TileOrientation Orientation, Util.ObjectRotateMode ObjectRotateMode)
        {
            var X                  = 0;
            var Y                  = 0;
            var Pos                = new XYInt(0, 0);
            var RotatedPos         = new XYInt();
            var NewTerrainPosA     = TileUtil.GetRotatedPos(Orientation, new XYInt(0, 0), Terrain.TileSize);
            var NewTerrainPosB     = TileUtil.GetRotatedPos(Orientation, Terrain.TileSize, Terrain.TileSize);
            var VertexLimits       = new XYInt(Math.Max(NewTerrainPosA.X, NewTerrainPosB.X), Math.Max(NewTerrainPosA.Y, NewTerrainPosB.Y));
            var NewTerrain         = new clsTerrain(VertexLimits);
            var NewTileLimits      = new XYInt(NewTerrain.TileSize.X - 1, NewTerrain.TileSize.Y - 1);
            var NewSideHLimits     = new XYInt(NewTerrain.TileSize.X - 1, NewTerrain.TileSize.Y);
            var NewSideVLimits     = new XYInt(NewTerrain.TileSize.X, NewTerrain.TileSize.Y - 1);
            var OldTileLimits      = new XYInt(Terrain.TileSize.X - 1, Terrain.TileSize.Y - 1);
            var OldPosLimits       = new XYInt(Terrain.TileSize.X * Constants.TerrainGridSpacing, Terrain.TileSize.Y * Constants.TerrainGridSpacing);
            var ReverseOrientation = new TileOrientation();
            var TriDirection       = new TileDirection();

            ReverseOrientation = Orientation;
            ReverseOrientation.Reverse();

            for (Y = 0; Y <= NewTerrain.TileSize.Y; Y++)
            {
                Pos.Y = Y;
                for (X = 0; X <= NewTerrain.TileSize.X; X++)
                {
                    Pos.X      = X;
                    RotatedPos = TileUtil.GetRotatedPos(ReverseOrientation, Pos, VertexLimits);
                    NewTerrain.Vertices[X, Y].Height  = Terrain.Vertices[RotatedPos.X, RotatedPos.Y].Height;
                    NewTerrain.Vertices[X, Y].Terrain = Terrain.Vertices[RotatedPos.X, RotatedPos.Y].Terrain;
                }
            }
            for (Y = 0; Y <= NewTerrain.TileSize.Y - 1; Y++)
            {
                Pos.Y = Y;
                for (X = 0; X <= NewTerrain.TileSize.X - 1; X++)
                {
                    Pos.X      = X;
                    RotatedPos = TileUtil.GetRotatedPos(ReverseOrientation, Pos, NewTileLimits);
                    NewTerrain.Tiles[X, Y].Texture             = Terrain.Tiles[RotatedPos.X, RotatedPos.Y].Texture;
                    NewTerrain.Tiles[X, Y].Texture.Orientation = NewTerrain.Tiles[X, Y].Texture.Orientation.GetRotated(Orientation);
                    NewTerrain.Tiles[X, Y].DownSide            = Terrain.Tiles[RotatedPos.X, RotatedPos.Y].DownSide;
                    NewTerrain.Tiles[X, Y].DownSide            = NewTerrain.Tiles[X, Y].DownSide.GetRotated(Orientation);
                    if (Terrain.Tiles[RotatedPos.X, RotatedPos.Y].Tri)
                    {
                        TriDirection = TileUtil.TopLeft;
                    }
                    else
                    {
                        TriDirection = TileUtil.TopRight;
                    }
                    TriDirection = TriDirection.GetRotated(Orientation);
                    NewTerrain.Tiles[X, Y].Tri =
                        Convert.ToBoolean(TileUtil.IdenticalTileDirections(TriDirection, TileUtil.TopLeft) ||
                                          TileUtil.IdenticalTileDirections(TriDirection, TileUtil.BottomRight));
                    if (Terrain.Tiles[RotatedPos.X, RotatedPos.Y].Tri)
                    {
                        if (Terrain.Tiles[RotatedPos.X, RotatedPos.Y].TriTopLeftIsCliff)
                        {
                            TileUtil.RotateDirection(TileUtil.TopLeft, Orientation, ref TriDirection);
                            NewTerrain.Tiles[X, Y].TriCliffAddDirection(TriDirection);
                        }
                        if (Terrain.Tiles[RotatedPos.X, RotatedPos.Y].TriBottomRightIsCliff)
                        {
                            TileUtil.RotateDirection(TileUtil.BottomRight, Orientation, ref TriDirection);
                            NewTerrain.Tiles[X, Y].TriCliffAddDirection(TriDirection);
                        }
                    }
                    else
                    {
                        if (Terrain.Tiles[RotatedPos.X, RotatedPos.Y].TriTopRightIsCliff)
                        {
                            TileUtil.RotateDirection(TileUtil.TopRight, Orientation, ref TriDirection);
                            NewTerrain.Tiles[X, Y].TriCliffAddDirection(TriDirection);
                        }
                        if (Terrain.Tiles[RotatedPos.X, RotatedPos.Y].TriBottomLeftIsCliff)
                        {
                            TileUtil.RotateDirection(TileUtil.BottomLeft, Orientation, ref TriDirection);
                            NewTerrain.Tiles[X, Y].TriCliffAddDirection(TriDirection);
                        }
                    }
                    NewTerrain.Tiles[X, Y].Terrain_IsCliff = Terrain.Tiles[RotatedPos.X, RotatedPos.Y].Terrain_IsCliff;
                }
            }
            if (Orientation.SwitchedAxes)
            {
                for (Y = 0; Y <= NewTerrain.TileSize.Y; Y++)
                {
                    Pos.Y = Y;
                    for (X = 0; X <= NewTerrain.TileSize.X - 1; X++)
                    {
                        Pos.X      = X;
                        RotatedPos = TileUtil.GetRotatedPos(ReverseOrientation, Pos, NewSideHLimits);
                        NewTerrain.SideH[X, Y].Road = Terrain.SideV[RotatedPos.X, RotatedPos.Y].Road;
                    }
                }
                for (Y = 0; Y <= NewTerrain.TileSize.Y - 1; Y++)
                {
                    Pos.Y = Y;
                    for (X = 0; X <= NewTerrain.TileSize.X; X++)
                    {
                        Pos.X      = X;
                        RotatedPos = TileUtil.GetRotatedPos(ReverseOrientation, Pos, NewSideVLimits);
                        NewTerrain.SideV[X, Y].Road = Terrain.SideH[RotatedPos.X, RotatedPos.Y].Road;
                    }
                }
            }
            else
            {
                for (Y = 0; Y <= NewTerrain.TileSize.Y; Y++)
                {
                    Pos.Y = Y;
                    for (X = 0; X <= NewTerrain.TileSize.X - 1; X++)
                    {
                        Pos.X      = X;
                        RotatedPos = TileUtil.GetRotatedPos(ReverseOrientation, Pos, NewSideHLimits);
                        NewTerrain.SideH[X, Y].Road = Terrain.SideH[RotatedPos.X, RotatedPos.Y].Road;
                    }
                }
                for (Y = 0; Y <= NewTerrain.TileSize.Y - 1; Y++)
                {
                    Pos.Y = Y;
                    for (X = 0; X <= NewTerrain.TileSize.X; X++)
                    {
                        Pos.X      = X;
                        RotatedPos = TileUtil.GetRotatedPos(ReverseOrientation, Pos, NewSideVLimits);
                        NewTerrain.SideV[X, Y].Road = Terrain.SideV[RotatedPos.X, RotatedPos.Y].Road;
                    }
                }
            }

            var Unit = default(Unit);

            foreach (var tempLoopVar_Unit in Units)
            {
                Unit = tempLoopVar_Unit;
                Unit.Sectors.Clear();
                if (ObjectRotateMode == Util.ObjectRotateMode.All)
                {
                    Unit.Rotation = (MathUtil.AngleClamp(MathUtil.RadOf360Deg -
                                                         TileUtil.GetRotatedAngle(Orientation,
                                                                                  MathUtil.AngleClamp(MathUtil.RadOf360Deg - Unit.Rotation * MathUtil.RadOf1Deg))) / MathUtil.RadOf1Deg).ToInt();
                    if (Unit.Rotation < 0)
                    {
                        Unit.Rotation += 360;
                    }
                }
                else if (ObjectRotateMode == ObjectRotateMode.Walls)
                {
                    if (Unit.TypeBase.Type == UnitType.PlayerStructure)
                    {
                        if (((StructureTypeBase)Unit.TypeBase).StructureType == StructureType.Wall)
                        {
                            Unit.Rotation = (MathUtil.AngleClamp(MathUtil.RadOf360Deg -
                                                                 TileUtil.GetRotatedAngle(Orientation,
                                                                                          MathUtil.AngleClamp(MathUtil.RadOf360Deg - Unit.Rotation * MathUtil.RadOf1Deg))) / MathUtil.RadOf1Deg)
                                            .ToInt();

                            if (Unit.Rotation < 0)
                            {
                                Unit.Rotation += 360;
                            }
                            //If Unit.Rotation = 180 Then
                            //    Unit.Rotation = 0
                            //ElseIf Unit.Rotation = 270 Then
                            //    Unit.Rotation = 90
                            //End If
                        }
                    }
                }
                Unit.Pos.Horizontal = TileUtil.GetRotatedPos(Orientation, Unit.Pos.Horizontal, OldPosLimits);
            }

            var ZeroPos = new XYInt(0, 0);

            var Position = 0;

            foreach (var tempLoopVar_Unit in Units.GetItemsAsSimpleList())
            {
                Unit = tempLoopVar_Unit;
                if (!App.PosIsWithinTileArea(Unit.Pos.Horizontal, ZeroPos, NewTerrain.TileSize))
                {
                    Position = Unit.MapLink.ArrayPosition;
                    UnitRemove(Position);
                }
            }

            Terrain = NewTerrain;

            var Gateway = default(Gateway);

            foreach (var tempLoopVar_Gateway in Gateways.GetItemsAsSimpleClassList())
            {
                Gateway = tempLoopVar_Gateway;
                GatewayCreate(TileUtil.GetRotatedPos(Orientation, Gateway.PosA, OldTileLimits),
                              TileUtil.GetRotatedPos(Orientation, Gateway.PosB, OldTileLimits));
                Gateway.Deallocate();
            }

            if (readyForUserInput)
            {
                CancelUserInput();
                InitializeUserInput();
            }
        }