public void ReachStateUsingPhrases(UnitState startState, UnitState finalState)
{
var backBfs = new BFS2(_field, _unit, _gameData);
#if false// DEBUG
DebugPrinter.WriteLine("Checking what is reachable back from: ({0}, {1}) rot {2}", finalState.Pivot.x, finalState.Pivot.y, finalState.Rotation);
var reachableArr = backBfs.DoSimpleBfs(finalState, true).Select(st => st.UnitState).ToArray();
foreach (var st in reachableArr)
DebugPrinter.WriteLine(" reachable: ({0}, {1}) rot {2}", st.Pivot.x, st.Pivot.y, st.Rotation);
var reachableStates = new HashSet<UnitState>(reachableArr);
#else
var reachableStates = new HashSet<UnitState>(backBfs.DoSimpleBfs(finalState, true, false).Select(st => st.UnitState));
#endif
_visited[startState] = new VisitInfo
{
MoveFuncIndex = -1,
PrevState = null,
AllPrevStates = new HashSet<UnitState>(),
};
UnitState curState = startState;
PowerPhraseInfo prevPhrase = _gameData.PowerPhraseData.Phrases[0]; // empty phrase
List<int> curReversedPath = null;
while (curState != finalState)
{
UnitState stateAfterPhrase;
PowerPhraseInfo appliedPhrase;
List<int> reversedPathAfterPhrase;
var prevState = curState;
bool phraseApplied = ApplySomePhrase(curState, prevPhrase, reachableStates, finalState,
out stateAfterPhrase, out appliedPhrase, out reversedPathAfterPhrase);
curState = stateAfterPhrase;
if (phraseApplied)
{
//movesStr += appliedPhrase.Phrase;
curReversedPath = reversedPathAfterPhrase;
prevPhrase = appliedPhrase;
continue;
}
prevPhrase = _gameData.PowerPhraseData.Phrases[0];
// Do BFS step
if (curReversedPath == null)
{
bool reachable = _IsReachable(curState, finalState, out curReversedPath);
Debug.Assert(reachable);
}
int move = curReversedPath[curReversedPath.Count - 1];
var state = curState;
curState = UnitState.MoveFuncs[move](curState);
curState.Normalize(_unit);
curReversedPath.RemoveAt(curReversedPath.Count - 1);
_visited[curState] = new VisitInfo
{
MoveFuncIndex = move,
PrevState = state,
MoveChar = ANY_CHAR,
};
}
}
public AlgoResult Run(int seed)
{
DebugPrinter.WriteLine("------------------------\nseed: {0}", seed);
int cnt = 0;
#if DEBUG
var allMoves = new List<int>();
#endif
var allMovesStr = "";
int prevScore = 0;
int totalBricks = 0;
var randSequence = RandGen.RandSequence(seed, _gameData.InputData.sourceLength).Select(x => x % _gameData.Units.Length).ToArray();
var field = new Field(_gameData.InputData);
#if DEBUG
var simulator = new Simulator(new Field(_gameData.InputData));
#endif
field.MetricUnits = new MetricUnits(field, _gameData, randSequence);
field.MetricUnits.CalcTailMetrics(0);
DebugPrinter.WriteLine("RowPower: {0}", field.MetricUnits.AverageRowPower);
for (int i = 0; i < randSequence.Length; i++)
{
if ((i+1) % 10 == 0)
DebugPrinter.WriteTrace(" unit #{0}/{1}", i + 1, randSequence.Length);
var rnd = randSequence[i];
field.MetricUnits.CalcTailMetrics(i);
int unitIndex = rnd % _gameData.Units.Length;
DebugPrinter.WriteLine("step {0}, unit #{1}", cnt, unitIndex);
Unit unit = _gameData.Units[unitIndex];
DebugPrinter.WriteLine(PrettyPrinter.PrettyPrint(unit));
var startState = field.SpawnUnit(unit);
if (startState == null)
{
DebugPrinter.WriteLine("No space to spawn unit");
break;
}
var bfs = new BFS2(field, unit, _gameData);
BestStateInfo bestState = null;
foreach (var bfsState in bfs.DoSimpleBfs(startState, false, true))
{
//DebugPrinter.WriteLine("got state: ({0}, {1}), rot {2}", bfsState.UnitState.Pivot.x, bfsState.UnitState.Pivot.y, bfsState.UnitState.Rotation);
////#if DEBUG
//DebugPrinter.WriteLine("On the field:");
//DebugPrinter.WriteLine(PrettyPrinter.PrettyPrintBeforeUpdate(field, unit,
// bfsState.UnitState, bfs.GetPathCells(bfsState.UnitState)));
////#endif
var newBestState = new BestStateInfo(field, unit, bfsState);
if (bestState != null && !newBestState.IsBetter(bestState))
continue;
bestState = newBestState;
}
//DebugPrinter.WriteLine("Best state: ({0}, {1}), rot {2}", bestState.BfsState.UnitState.Pivot.x, bestState.BfsState.UnitState.Pivot.y, bestState.BfsState.UnitState.Rotation);
// now try to reach the state using phrases
bfs = new BFS2(field, unit, _gameData);
bfs.ReachStateUsingPhrases(startState, bestState.BfsState.UnitState);
#if DEBUG
Debug.Assert(bestState != null);
#else
if (bestState == null)
continue;
#endif
DebugPrinter.WriteLine("best state: ({0}, {1}), rot {2}, minY {3}, maxY {4}",
bestState.BfsState.UnitState.Pivot.x, bestState.BfsState.UnitState.Pivot.y, bestState.BfsState.UnitState.Rotation, bestState.MinY, bestState.MaxY);
#if DEBUG
var moves = bfs.GetMoves(bestState.BfsState.UnitState, startState);
DebugPrinter.WriteLine("Moves:");
foreach (int move in moves)
DebugPrinter.Write("{0},", move);
DebugPrinter.WriteLine("");
DebugPrinter.WriteLine(MovesPrinter.PrintMoves(moves));
allMoves.AddRange(moves);
allMoves.Add(bestState.BfsState.BlockingMove);
#endif
var movesStr = bfs.GetMovesString(bestState.BfsState.UnitState);
DebugPrinter.WriteLine(movesStr);
allMovesStr += movesStr;
allMovesStr += MovesPrinter.PrintOneMove(bestState.BfsState.BlockingMove);
//#if DEBUG
DebugPrinter.WriteLine("Blocking move: {0} {1}", bestState.BfsState.BlockingMove, MovesPrinter.PrintOneMove(bestState.BfsState.BlockingMove));
DebugPrinter.WriteLine("Before update:");
DebugPrinter.WriteLine(PrettyPrinter.PrettyPrintBeforeUpdate(field, unit,
bestState.BfsState.UnitState, bfs.GetPathCells(bestState.BfsState.UnitState)));
//#endif
field.Update(unit, bestState.BfsState.UnitState);
//#if DEBUG
DebugPrinter.WriteLine("After update:");
DebugPrinter.Write(PrettyPrinter.PrettyPrint(field));
DebugPrinter.WriteLine("Score: {0}", field.Score);
DebugPrinter.WriteLine("Score diff: {0}", field.Score - prevScore);
DebugPrinter.WriteLine("");
//#endif
prevScore = field.Score;
totalBricks += unit.members.Length;
_UpdatePowerPhraseUsage(movesStr);
++cnt;
//if (cnt >= 20)
// break;
#if DEBUG
simulator.SimulateUnit(unit, startState, movesStr + MovesPrinter.PrintOneMove(bestState.BfsState.BlockingMove));
#endif
}
#if DEBUG
DebugPrinter.WriteLine("All moves:");
foreach (int move in allMoves)
DebugPrinter.Write("{0},", move);
DebugPrinter.WriteLine("");
#endif
DebugPrinter.WriteLine("Total move score: {0}", field.Score);
int phraseScore = _gameData.GetPowerPhraseScore(allMovesStr);
DebugPrinter.WriteLine("Total phrase score: {0}", phraseScore);
DebugPrinter.WriteLine("Total score: {0}", field.Score + phraseScore);
DebugPrinter.WriteLine("Total bricks: {0}", totalBricks);
int totalRowsKilled = field.RowsKilled.Sum(r => r.Key*r.Value);
DebugPrinter.WriteLine("Total rows killed: {0}", totalRowsKilled);
var rowsKilledKeys = field.RowsKilled.Keys.ToArray();
Array.Sort(rowsKilledKeys);
foreach (int rows in rowsKilledKeys)
DebugPrinter.WriteLine("Rows {0}: {1}", rows, field.RowsKilled[rows]);
DebugPrinter.WriteTrace("Total move score: {0}", field.Score);
DebugPrinter.WriteTrace("Total phrase score: {0}", phraseScore);
DebugPrinter.WriteTrace("Total score: {0}", field.Score + phraseScore);
DebugPrinter.WriteTrace("Total bricks: {0}", totalBricks);
DebugPrinter.WriteTrace("Total rows killed: {0}", totalRowsKilled);
foreach (int rows in rowsKilledKeys)
DebugPrinter.WriteTrace("Rows {0}: {1}", rows, field.RowsKilled[rows]);
string res = allMovesStr; //MovesPrinter.PrintMoves(allMoves);
DebugPrinter.WriteLine(res);
return new AlgoResult(res, field.Score + phraseScore);
}