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Solver2x2.cs
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/*
* Created by SharpDevelop.
* User: Joe
* Date: 3/12/2009
* Time: 5:57 PM
*
* To change this template use Tools | Options | Coding | Edit Standard Headers.
*/
using System;
using System.Collections;
using System.Collections.Generic;
using System.Text.RegularExpressions;
namespace ET2Solver
{
/// <summary>
/// Description of Solver.
/// </summary>
public class Solver2x2
{
// debug level = 0 = off, 1 = low verbosity, 2 = medium verbosity, 3 = high verbosity
public int debug_level = 1;
public int debug_default_level = 1;
public TileSearch ts;
// save generated lists to file
public bool saveToFile = false;
// tileset for solving
public List<int> usedTiles = new List<int>();
public Hashtable board = new Hashtable();
// tileId, cellpos - position of where the hint tile exists in 2x2 cell (1,2,3,4)
public Dictionary<int, int> hintTiles = new Dictionary<int, int>();
// hint patterns
public Dictionary<int, string> hintPatterns = new Dictionary<int, string>();
// source lists
public bool lists_loaded = false;
public Hashtable tilelists = new Hashtable();
// queue data
// queue list for each of the 64 cells
public Dictionary<int, List<string>> queueList = new Dictionary<int, List<string>>();
// public Hashtable queueList = new Hashtable();
// progress of current queue
public List<int> queueProgress = new List<int>(new int[64]);
// solve path - list of cellIds (1-64)
public List<int> solve_path = new List<int>();
// path id of current cell
public int currentPathId = 0;
// auto save settings
public Int64 lastSaveIteration = 0;
// autosave after x iterations
public int autoSaveInterval = 100000;
// autosave when tiles placed reaches this (auto increments by 4)
public int autoSaveMaxTilesPlaced = 108;
// solve stats
public Int32 maxQueueSize = 0;
public Int64 numIterations = 0;
public Int64 iterationSize = 0;
public int mostTilesPlaced = 0;
// pause/resume
public bool isPaused = false;
public bool isResumed = false;
// random seed generator
public bool useRandom = false;
public bool randomSeeds = false;
public int start_seed = 0;
public int seed_step = 1;
public Random r = new Random();
public Int32 seed;
// max number of iterations before restarting / stopping
public int maxIterations = 0;
// run multiple jobs
public bool run_multiple = false;
public int num_runs = 1;
public int last_run = 0;
public Solver2x2()
{
Program.TheMainForm.selSolver2Method.Items.Add("border_bl_br_tr_tl");
Program.TheMainForm.selSolver2Method.Items.Add("border_tl_tr_br_bl");
Program.TheMainForm.selSolver2Method.Items.Add("border_x");
Program.TheMainForm.selSolver2Method.Items.Add("rows_right_up");
Program.TheMainForm.selSolver2Method.Items.Add("cols_up_right");
Program.TheMainForm.selSolver2Method.Items.Add("spiral_in_bl_br_tr_tl");
Program.TheMainForm.selSolver2Method.Items.Add("spiral_out_bl_br_tr_tl");
Program.TheMainForm.selSolver2Method.SelectedIndex = 0;
Program.TheMainForm.selSolver2Method.Update();
this.loadQueueList();
}
/*
generate 3x3 for each internal tile
* positions: BL = r1, TL = r2, TR = r3, BR = r4 (rotate grid)
loc = corner, edge, internal
*/
public void generateList(string loc)
{
if ( Board.title == "" )
{
System.Windows.Forms.MessageBox.Show("Please load a tileset");
return;
}
Program.TheMainForm.timer.start("generateList");
this.log("generateList(" + Board.title + ":" + loc + ")");
TileSearch ts = new TileSearch();
ts.loadTileset(Board.title);
ArrayList tilelist;
int numSearched = 0;
switch ( loc )
{
case "2x2_corner_tl":
/*
* 2x2 grid (top left corner)
* 1,2
* 3,4
*/
ts.save_overwrite = false;
tilelist = ts.findTiles("--[A-V]{2}");
foreach ( TileInfo tile in tilelist )
{
numSearched++;
this.log("tile " + numSearched.ToString() + " / " + tilelist.Count.ToString() + " : " + tile.title);
ts.newSearch();
if ( this.saveToFile )
{
if ( !ts.saveListAt(4, Board.title + "_" + loc) )
{
break;
}
}
ts.addTileToList(1, tile);
ts.includeFilter(2, "[A-V]-[A-V]{2}");
ts.includeFilter(3, "-[A-V]{3}");
ts.excludeFilter(4, "-");
ts.addSearch("match_adjacent", 2, "1@R");
ts.addSearch("match_adjacent", 3, "1@D");
ts.addSearch("match_adjacent", 4, "3@R,2@D");
ts.doSearch();
this.log(ts.countUniqueTiles().ToString() + " unique tiles");
this.log("");
}
break;
case "2x2_edge_left":
/*
* 2x2 grid (on left edge of board)
* 1,2
* 3,4
*/
ts.save_overwrite = false;
tilelist = ts.findTiles("-[A-V]{3}");
foreach ( TileInfo tile in tilelist )
{
numSearched++;
this.log("tile " + numSearched.ToString() + " / " + tilelist.Count.ToString() + " : " + tile.title);
ts.newSearch();
if ( this.saveToFile )
{
if ( !ts.saveListAt(4, Board.title + "_" + loc) )
{
break;
}
}
ts.addTileToList(1, tile);
ts.excludeFilter(2, "-");
ts.includeFilter(3, "^-[A-V]{3}");
ts.excludeFilter(4, "-");
ts.addSearch("match_adjacent", 2, "1@R");
ts.addSearch("match_adjacent", 3, "1@D");
ts.addSearch("match_adjacent", 4, "3@R,2@D");
ts.doSearch();
this.log(ts.countUniqueTiles().ToString() + " unique tiles");
this.log("");
if ( !this.saveToFile && numSearched >= 10 )
// if ( numSearched >= 10 )
{
break;
}
}
break;
case "2x2_internal":
/*
* 2x2 grid
* 1,2
* 3,4
*/
tilelist = ts.findTiles("[F-V]{4}");
foreach ( TileInfo tile in tilelist )
{
numSearched++;
this.log("tile " + numSearched.ToString() + " / " + tilelist.Count.ToString() + " : " + tile.title);
ts.newSearch();
if ( this.saveToFile )
{
if ( !ts.saveListAt(4, Board.title + "_" + loc + "_tile_" + tile.title) )
{
break;
}
}
ts.addTileToList(1, tile);
ts.excludeFilter(2, "-");
ts.excludeFilter(3, "-");
ts.excludeFilter(4, "-");
ts.addSearch("match_adjacent", 2, "1@R");
ts.addSearch("match_adjacent", 3, "1@D");
ts.addSearch("match_adjacent", 4, "3@R,2@D");
ts.doSearch();
this.log(ts.countUniqueTiles().ToString() + " unique tiles");
this.log("");
if ( !this.saveToFile && numSearched >= 10 )
// if ( numSearched >= 10 )
{
break;
}
}
break;
case "2x2_internal_139":
/*
* 2x2 grid for hint piece tile 139
* 2,1
* 4,3
*/
tilelist = ts.findTiles("LHII");
foreach ( TileInfo tile in tilelist )
{
numSearched++;
this.log("tile " + numSearched.ToString() + " / " + tilelist.Count.ToString() + " : " + tile.title);
ts.newSearch();
if ( this.saveToFile )
{
if ( !ts.saveListAt(4, Board.title + "_internal_tile_" + tile.title) )
{
break;
}
}
ts.addTileToList(1, tile);
ts.excludeFilter(2, "-");
ts.excludeFilter(3, "-");
ts.excludeFilter(4, "-");
ts.addSearch("match_adjacent", 2, "1@L");
ts.addSearch("match_adjacent", 3, "1@D");
ts.addSearch("match_adjacent", 4, "2@D,3@L");
ts.doSearch();
this.log(ts.countUniqueTiles().ToString() + " unique tiles");
this.log("");
}
break;
case "3x3_corner":
/*
* 3x3 grid (bottom left)
* 5,7,9
* 3,1,8
* 2,4,6
*/
tilelist = ts.findTiles("[F-V]{4}");
foreach ( TileInfo tile in tilelist )
{
numSearched++;
this.log("tile " + numSearched.ToString() + " / " + tilelist.Count.ToString() + " : " + tile.title);
ts.newSearch();
ts.addTileToList(1, tile);
ts.includeFilter(2, "^-");
ts.includeFilter(3, "^-");
ts.includeFilter(4, "-$");
ts.includeFilter(5, "^-");
ts.includeFilter(6, "-$");
ts.excludeFilter(7, "-");
ts.excludeFilter(8, "-");
ts.excludeFilter(9, "-");
ts.addSearch("match", 2, "-..-");
ts.addSearch("match_adjacent", 3, "1@L,2@U");
ts.addSearch("match_adjacent", 4, "1@D,2@R");
ts.addSearch("match_adjacent", 5, "3@U");
ts.addSearch("match_adjacent", 6, "4@R");
ts.addSearch("match_adjacent", 7, "1@U,5@R");
ts.addSearch("match_adjacent", 8, "1@R,6@U");
ts.addSearch("match_adjacent", 9, "7@R,8@U");
ts.doSearch();
this.log("");
//this.log(ts.getPosListAsString(9));
if ( numSearched >= 1 )
{
break;
}
}
break;
case "3x3_internal":
/*
* 3x3 grid (internal)
* 8,5,7
* 2,1,6
* 4,3,9
*/
tilelist = ts.findTiles("[F-V]{4}");
foreach ( TileInfo tile in tilelist )
{
numSearched++;
this.log("tile " + numSearched.ToString() + " / " + tilelist.Count.ToString() + " : " + tile.title);
ts.newSearch();
ts.addTileToList(1, tile);
ts.excludeFilter(2, "-");
ts.excludeFilter(3, "-");
ts.excludeFilter(4, "-");
ts.excludeFilter(5, "-");
ts.excludeFilter(6, "-");
ts.excludeFilter(7, "-");
ts.excludeFilter(8, "-");
ts.excludeFilter(9, "-");
ts.addSearch("match_adjacent", 2, "1@L");
ts.addSearch("match_adjacent", 3, "1@D");
ts.addSearch("match_adjacent", 4, "2@D,3@L");
ts.addSearch("match_adjacent", 5, "1@U");
ts.addSearch("match_adjacent", 6, "1@R");
ts.addSearch("match_adjacent", 7, "5@R,6@U");
ts.addSearch("match_adjacent", 8, "2@U,5@L");
ts.addSearch("match_adjacent", 9, "3@R,6@D");
ts.doSearch();
break;
}
break;
}
//this.log(ts.getPosListAsString(9));
//this.log(ts.getResultCount());
this.log("");
Program.TheMainForm.timer.stop("generateList");
this.log(Program.TheMainForm.timer.results("generateList"));
this.log("");
}
public int getTileId(string pattern)
{
int tileId = 0;
int pos = this.ts.tileset_list.IndexOf(pattern);
// Console.WriteLine(pos.ToString() + "." + pattern);
if ( pos > -1 )
{
/*
* 1-4 = 1
* 5-8 = 2
* 9-12 = 3
* 13-16 = 4
* tileId = floor(pos/4) + 1
*/
tileId = (int)Math.Floor(pos / 4.0) + 1;
}
return tileId;
}
public int getTileRotationByPattern(string pattern)
{
int pos = this.ts.tileset_list.IndexOf(pattern);
return pos % 4 + 1;
}
public bool setSolvePath()
{
// set solve path / method
int inner = 0;
int outer = 0;
int length = 0;
this.solve_path = new System.Collections.Generic.List<int>();
Program.TheMainForm.labelSolver2Method.Text = Program.TheMainForm.selSolver2Method.Text;
switch ( Program.TheMainForm.selSolver2Method.Text )
{
case "border_bl_br_tr_tl":
// 28 2x2 cells around the border, starting from bottom left
this.addRowsToPath("right", 8);
this.addColsToPath("up", 8);
this.addRowsToPath("left", 1);
this.addColsToPath("down", 1);
break;
case "border_tl_tr_br_bl":
// 28 2x2 cells around the border, starting from top left
this.addRowsToPath("right", 1);
this.addColsToPath("down", 8);
this.addRowsToPath("left", 8);
this.addColsToPath("up", 1);
break;
case "border_x":
// border from X formation inwards, starting with corners, edges, inner corners etc
this.addCellsToPath(57,49,58,64,63,56,8,16,7,1,2,9,41,59,62,48,24,6,3,17,60,61,40,32,5,4,25,33);
break;
case "rows_right_up":
// by row, from bottom to top (left-right)
this.addRowsToPath("right", 8,7,6,5,4,3,2,1);
break;
case "cols_up_right":
// by column, from left to right (bottom-top)
this.addColsToPath("up", 1,2,3,4,5,6,7,8);
break;
case "spiral_in_bl_br_tr_tl":
// spiral from outside border inwards, from bottom left, going right/up, then left/down
inner = 1;
outer = 8;
for ( int i = 1; i <= 4; i++ )
{
this.addRowsToPath("right", outer);
this.addColsToPath("up", outer);
this.addRowsToPath("left", inner);
this.addColsToPath("down", inner);
// Program.TheMainForm.log(outer.ToString() + "-" + inner.ToString());
outer--;
inner++;
}
break;
case "spiral_out_bl_br_tr_tl":
// spiral outwards from center, from bottom left, going right/up, then left/down
// row: 4,5 to 5,5
// col: 5,5 to 5,4
// row: 5,4 to 4,4
// col: 4,4 to 4,5
// row: 3,6 to 6,6
// col: 6,6 to 6,3
// row: 6,3 to 3,3
// col: 3,3 to 3,6
inner = 4;
outer = 5;
length = 2;
for ( int i = 1; i <= 4; i++ )
{
// this.addRowRange("right", inner, outer, length);
this.addRowRange("right", 4, outer, length - (4 - inner));
this.addColRange("up", outer, outer, length);
this.addRowRange("left", outer, inner, length);
this.addColRange("down", inner, inner, length);
// always start from col 4 (below hint tile
// reason: so that it's adjacent to a previous tile when forming next ring
if ( inner < 4 )
{
this.addRowRange("right", inner, outer, 4 - inner);
}
Program.TheMainForm.log(outer.ToString() + "-" + inner.ToString());
outer++;
inner--;
length += 2;
}
break;
default:
System.Windows.Forms.MessageBox.Show("Please choose a solve method.");
return false;
}
this.logPath();
return true;
}
public ArrayList getColRowBy2x2CellId(int cellId)
{
// returns arraylist of 4 x [col,row] for the cells referenced by the specified 2x2 cellId
// TL = 1, TR = 8, BL = 57, BR = 64
ArrayList rv = new ArrayList();
int[] colrow;
int row = (int)Math.Ceiling((double)cellId / 8d);
int col = ((cellId - (row-1) * 8) - 1) * 2 + 1;
row = (row - 1) * 2 + 1;
// System.Console.WriteLine(cellId.ToString() + " = " + col.ToString() + "," + row.ToString());
// tile 1 TL
colrow = new int[2];
colrow[0] = col;
colrow[1] = row;
rv.Add(colrow);
// tile 2 TR
colrow = new int[2];
colrow[0] = col + 1;
colrow[1] = row;
rv.Add(colrow);
// tile 3 BL
colrow = new int[2];
colrow[0] = col;
colrow[1] = row + 1;
rv.Add(colrow);
// tile 4 BR
colrow = new int[2];
colrow[0] = col + 1;
colrow[1] = row + 1;
rv.Add(colrow);
return rv;
}
public int get2x2CellIdByColRow(int col, int row)
{
// col = 1-8, row = 1-8
int cellId = (row - 1) * 8 + col;
return cellId;
}
private void logPath()
{
this.log("log path: " + Program.TheMainForm.selSolver2Method.Text + ", length = " + this.solve_path.Count.ToString());
List<string> line = new List<string>();
foreach ( int cellId in this.solve_path )
{
line.Add(cellId.ToString());
}
this.log(String.Join(",", line.ToArray()));
}
public void addCellsToPath(params int[] cells)
{
// skips adding duplicates (to allow spiral path to be added easily by row/col
foreach ( int cellId in cells )
{
// if ( !this.solve_path.Contains(cellId) )
if ( cellId >= 1 && cellId <= 64 && !this.solve_path.Contains(cellId) )
{
this.solve_path.Add(cellId);
}
}
}
public void addColsToPath(string direction, params int[] cols)
{
switch ( direction )
{
case "up":
foreach ( int col in cols )
{
for ( int row = 8; row >= 1; row-- )
{
int cellId = this.get2x2CellIdByColRow(col, row);
this.addCellsToPath(cellId);
}
}
break;
case "down":
foreach ( int col in cols )
{
for ( int row = 1; row <= 8; row++ )
{
int cellId = this.get2x2CellIdByColRow(col, row);
this.addCellsToPath(cellId);
}
}
break;
}
}
public void addRowsToPath(string direction, params int[] rows)
{
switch ( direction )
{
case "right":
foreach ( int row in rows )
{
for ( int col = 1; col <= 8; col++ )
{
int cellId = this.get2x2CellIdByColRow(col, row);
this.addCellsToPath(cellId);
}
}
break;
case "left":
foreach ( int row in rows )
{
for ( int col = 8; col >= 1; col-- )
{
int cellId = this.get2x2CellIdByColRow(col, row);
this.addCellsToPath(cellId);
}
}
break;
}
}
public void addRowRange(string direction, int col, int row, int length)
{
switch ( direction )
{
case "right":
for ( int c = col; c < col + length; c++ )
{
int cellId = this.get2x2CellIdByColRow(c, row);
this.addCellsToPath(cellId);
}
break;
case "left":
for ( int c = col; c > col - length; c-- )
{
int cellId = this.get2x2CellIdByColRow(c, row);
this.addCellsToPath(cellId);
}
break;
}
}
public void addColRange(string direction, int col, int row, int length)
{
switch ( direction )
{
case "up":
for ( int r = row; r > row - length; r-- )
{
int cellId = this.get2x2CellIdByColRow(col, r);
this.addCellsToPath(cellId);
}
break;
case "down":
for ( int r = row; r < row + length; r++ )
{
int cellId = this.get2x2CellIdByColRow(col, r);
this.addCellsToPath(cellId);
}
break;
}
}
/*
public List<int> cellRange(int start, int end)
{
List<int> rv = new List<int>();
if ( start < end )
{
// iterate forwards
for ( int i = start; i <= end; i++ )
{
rv.Add(i);
}
}
else if ( start > end )
{
// iterate backwards
for ( int i = start; i >= end; i-- )
{
rv.Add(i);
}
}
return rv;
}
*/
public void updateStats()
{
Program.TheMainForm.labelNumIterations.Text = this.numIterations.ToString();
int cellId = this.getCellId();
Program.TheMainForm.labelS2CellNum.Text = this.currentPathId.ToString();
Program.TheMainForm.labelS2PathLength.Text = this.solve_path.Count.ToString();
Program.TheMainForm.labelS2CellId.Text = cellId.ToString();
Program.TheMainForm.labelTilesPlaced.Text = this.usedTiles.Count.ToString();
Program.TheMainForm.labelS2MostTilesPlaced.Text = this.mostTilesPlaced.ToString();
// refresh display
Program.TheMainForm.labelNumIterations.Update();
Program.TheMainForm.labelS2CellNum.Update();
Program.TheMainForm.labelS2PathLength.Update();
Program.TheMainForm.labelS2CellId.Update();
Program.TheMainForm.labelTilesPlaced.Update();
}
public void updateQueueStats()
{
int cellId = this.getCellId();
Program.TheMainForm.labelQueueProgress.Text = this.queueProgress[cellId-1].ToString();
Program.TheMainForm.labelS2QueueSize.Text = this.queueSize(cellId).ToString();
Program.TheMainForm.labelQueueProgress.Update();
Program.TheMainForm.labelS2QueueSize.Update();
}
public string getListId(int cellId)
{
// select appropriate list based on cellId
// corner = 1, 8, 57, 64
// edge = col 1, col 15, row 1, row 15 (2x2 positions)
// else = internal
ArrayList lcolrow = this.getColRowBy2x2CellId(cellId);
/*
foreach ( int[] cr in lcolrow )
{
this.log("col/row : " + cr[0].ToString() + "," + cr[1].ToString());
}
*/
int[] colrow = (int[])lcolrow[0];
string listId = "internal";
if ( cellId == 1 )
{
listId = "corner_tl";
}
else if ( cellId == 8 )
{
listId = "corner_tr";
}
else if ( cellId == 57 )
{
listId = "corner_bl";
}
else if ( cellId == 64 )
{
listId = "corner_br";
}
else if ( colrow[0] == 1 )
{
listId = "edge_left";
}
else if ( colrow[0] == 15 )
{
listId = "edge_right";
}
else if ( colrow[1] == 1 )
{
listId = "edge_top";
}
else if ( colrow[1] == 15 )
{
listId = "edge_bottom";
}
// this.log("cellId: " + cellId.ToString() + " | col/row : " + colrow[0].ToString() + "," + colrow[1].ToString() + " | list : " + listId);
return listId;
}
public List<string> loadList(string filename)
{
string listpath = System.IO.Path.Combine("tilelists\\" + Board.title, filename + ".txt");
if ( System.IO.File.Exists(listpath) )
{
List<string> list = new List<string>(System.IO.File.ReadAllLines(listpath));
this.log("list: " + filename + " loaded with " + list.Count.ToString() + " items.");
return list;
}
else
{
return new List<string>();
}
}
public void loadHints()
{
// # cellId,cellPos,tileId,searchPattern
// 36,2,139,....,LHII,....,....
this.tilelists.Add("hints", this.loadList("2x2_hints"));
List<string> hintlist = (List<string>)this.tilelists["hints"];
foreach ( string hint in hintlist )
{
string[] hintdata = hint.Split(',');
if ( hintdata.Length == 7 )
{
int cellId = Convert.ToInt16(hintdata[0]);
int cellPos = Convert.ToInt16(hintdata[1]);
int tileId = Convert.ToInt16(hintdata[2]);
string pattern = hintdata[3] + "," + hintdata[4] + "," + hintdata[5] + "," + hintdata[6];
this.logt("loaded hint tile for cell " + cellId.ToString() + "," + cellPos.ToString() + ", tile " + tileId.ToString() + pattern, 1);
this.hintPatterns.Add(cellId, pattern);
this.hintTiles.Add(tileId, cellPos);
}
}
}
public bool loadLists()
{
if ( Board.title == "" )
{
System.Windows.Forms.MessageBox.Show("Please load a tileset");
return false;
}
Program.TheMainForm.timer.start("loadLists");
try
{
// load 1024 tileset
this.ts = new TileSearch();
this.ts.loadTileset(Board.title);
// load 2x2 hints
this.loadHints();
// load 2x2 lists
this.tilelists.Add("corner_bl", this.loadList("2x2_corner_bl"));
this.tilelists.Add("corner_br", this.loadList("2x2_corner_br"));
this.tilelists.Add("corner_tl", this.loadList("2x2_corner_tl"));
this.tilelists.Add("corner_tr", this.loadList("2x2_corner_tr"));
this.tilelists.Add("edge_left", this.loadList("2x2_edge_left"));
this.tilelists.Add("edge_right", this.loadList("2x2_edge_right"));
this.tilelists.Add("edge_top", this.loadList("2x2_edge_top"));
this.tilelists.Add("edge_bottom", this.loadList("2x2_edge_bottom"));
// this.tilelists.Add("internal", this.loadList("2x2_internal"));
}
catch (Exception e)
{
Program.TheMainForm.log("Exception: " + e.Message + ", source: " + e.StackTrace);
Program.TheMainForm.log("Could not load lists...");
return false;
}
Program.TheMainForm.timer.stop("loadLists");
this.log(Program.TheMainForm.timer.results("loadLists"));
this.lists_loaded = true;
return true;
}
public List<string> getMatchLocations(int cellId)
{
ArrayList lcolrow = this.getColRowBy2x2CellId(cellId);
int[] colrow = (int[])lcolrow[0];
List<string> matches = new List<string>();
if ( colrow[0] > 1 )
{
matches.Add("L");
}
if ( colrow[0] < 15 )
{
matches.Add("R");
}
if ( colrow[1] > 1 )
{
matches.Add("U");
}
if ( colrow[1] < 15 )
{
matches.Add("D");
}
return matches;
}
public string getSearchPattern(int cellId)
{
// search = LTRB,LTRB,LTRB,LTRB
string[] search = new string[19];
for ( int i = 1; i <= search.Length; i++ )
{
if ( i == 5 || i == 10 || i == 15 )
{
search[i-1] = ",";
}
else
{
search[i-1] = ".";
}
}
// get match locations
List<string> matches = this.getMatchLocations(cellId);
// check for adjacent tiles
// search = LTRB,LTRB,LTRB,LTRB
ArrayList tiles = new ArrayList();
TileInfo tile;
foreach ( string loc in matches )
{
if ( loc == "L" )
{
// 1L,3L = tiles 2R,4R
if ( this.board.ContainsKey(cellId-1) )
{
tiles = (ArrayList)this.board[cellId-1];
if ( tiles.Count == 4 )
{
// 1L - 2R
tile = (TileInfo)tiles[1];
search[0] = tile.right;
// 3L - 4R
tile = (TileInfo)tiles[3];
search[10] = tile.right;
}
else
{
this.log("getSearchPattern(" + (cellId-1).ToString() + ") = " + tiles.Count.ToString());
}
}
}
else if ( loc == "U" )
{
// 1U,2U = tiles 3D,4D
if ( this.board.ContainsKey(cellId-8) )
{
tiles = (ArrayList)this.board[cellId-8];
if ( tiles.Count == 4 )
{
// 1U - 3D
tile = (TileInfo)tiles[2];
search[1] = tile.down;
// 2U - 4D
tile = (TileInfo)tiles[3];
search[6] = tile.down;
}
else
{
this.log("getSearchPattern(" + (cellId-1).ToString() + ") = " + tiles.Count.ToString());
}
}
}
else if ( loc == "R" )
{
// 2R,4R = tiles 1L,3L
if ( this.board.ContainsKey(cellId+1) )
{
tiles = (ArrayList)this.board[cellId+1];
if ( tiles.Count == 4 )
{
// 2R - 1L
tile = (TileInfo)tiles[0];
search[7] = tile.left;
// 4R - 3L
tile = (TileInfo)tiles[2];
search[17] = tile.left;
}
else
{
this.log("getSearchPattern(" + (cellId-1).ToString() + ") = " + tiles.Count.ToString());
}
}
}
else if ( loc == "D" )
{
// 3D,4D = tiles 1U,2U
if ( this.board.ContainsKey(cellId+8) )
{
tiles = (ArrayList)this.board[cellId+8];
if ( tiles.Count == 4 )
{
// 3D - 1U
tile = (TileInfo)tiles[0];
search[13] = tile.up;
// 4D - 2U
tile = (TileInfo)tiles[1];
search[18] = tile.up;
}
else
{
this.log("getSearchPattern(" + (cellId-1).ToString() + ") = " + tiles.Count.ToString());
}
}
}
}
// load hint tiles if available
string hintpattern = this.getHintPattern(cellId);
if ( hintpattern != "" )
{
for ( int i = 0; i < hintpattern.Length; i++ )
{
if ( hintpattern[i] != '.' )
{
search[i] = hintpattern[i].ToString();
}
}
}
return String.Concat(search);
}
public void findMatchingList(int cellId)
{
Program.TheMainForm.timer.start("findMatchingList");
List<string> results = new List<string>();
string search = this.getSearchPattern(cellId);
string listId = this.getListId(cellId);
List<string> tilelist;
this.log("findMatchingList(" + this.currentPathId.ToString() + ". cellId: " + cellId.ToString() + "):" + search);
// use sql
if ( listId == "internal" )
{
List<string> lsearch = new List<string>(search.Split(','));
string sql = "SELECT tileA,tileB,tileC,tileD"
+ " FROM internal"
+ " WHERE tileA REGEXP '" + lsearch[0] + "' AND tileB REGEXP '" + lsearch[1] + "' AND tileC REGEXP '" + lsearch[2] + "' AND tileD REGEXP '" + lsearch[3] + "'";
System.Windows.Forms.Application.DoEvents();
tilelist = Program.TheMainForm.executeSQL(sql);
this.queueList[cellId].AddRange(tilelist);
}
else
{
tilelist = (List<string>)this.tilelists[listId];
foreach ( string tiles in tilelist )
{
System.Windows.Forms.Application.DoEvents();
Regex reg = new Regex("^" + search, RegexOptions.IgnoreCase);
if ( reg.IsMatch(tiles) )
{
this.queueList[cellId].Add(tiles);
}
// limit queue size if specified
if ( this.maxQueueSize > 0 && this.queueList[cellId].Count >= this.maxQueueSize )