{\r
mId = identifier;\r
mMotion = new MovementManager(position);\r
+ mRetryInterval = 20 + (position.X * 25789 + position.Y * 259) % 30;\r
\r
// We need to keep the game reference in order to get the grid when we\r
// need to find paths.\r
foreach (string pathPoint in idlePathPoints)\r
{\r
Point? point = Parse.Coordinates(pathPoint);\r
- if (point != null) mIdlePath.Add(point.Value);\r
+ if (point != null) mWaypoints.Add(point.Value);\r
}\r
}\r
\r
/// </summary>\r
public void StartPacing()\r
{\r
- mState = AiState.Pacing;\r
+ if (mWaypoints.Count == 0) return;\r
\r
- if (mIdlePath.Count == 0) return;\r
+ mState = AiState.Pacing;\r
\r
// Determine the best (closest) waypoint to start at.\r
// We may not be on the path, so we have to walk to get on it.\r
- mIdlePathIndex = 0;\r
+ mWaypointIndex = 0;\r
int closest = int.MaxValue;\r
- for (int i = 0; i < mIdlePath.Count; i++)\r
+ for (int i = 0; i < mWaypoints.Count; i++)\r
{\r
- int distance = PathFinder.GetManhattanDistance(Coordinates, mIdlePath[i]);\r
+ int distance = PathFinder.GetManhattanDistance(Coordinates, mWaypoints[i]);\r
if (distance < closest)\r
{\r
- mIdlePathIndex = i;\r
+ mWaypointIndex = i;\r
closest = distance;\r
}\r
}\r
\r
// Find the path to get to the closest waypoint.\r
- PathFinder pathFinder = new PathFinder(mGame.Grid);\r
- mPath = new List<Point>(32);\r
- mPath.Add(Coordinates);\r
- List<Point> path = pathFinder.GetPath(mMotion.Coordinates, mIdlePath[mIdlePathIndex]);\r
- if (path != null)\r
- {\r
- mPath.AddRange(path);\r
- mPath.Add(mIdlePath[mIdlePathIndex]);\r
- }\r
- mPathIndex = 0;\r
+ ChartPath();\r
}\r
\r
Direction GetDirectionToNextCell()\r
{\r
// We're done with the current path, so find the path to\r
// the next waypoint... forever.\r
- mIdlePathIndex++;\r
- PathFinder pathFinder = new PathFinder(mGame.Grid);\r
- mPath = new List<Point>(32);\r
- mPath.Add(Coordinates);\r
- List<Point> path = pathFinder.GetPath(mMotion.Coordinates, mIdlePath[mIdlePathIndex % mIdlePath.Count]);\r
- if (path != null)\r
- {\r
- mPath.AddRange(path);\r
- mPath.Add(mIdlePath[mIdlePathIndex % mIdlePath.Count]);\r
- }\r
- mPathIndex = 0;\r
+ mWaypointIndex++;\r
+ ChartPath();\r
}\r
\r
- // We need to make sure out direction is set to the next cell\r
+ // We need to make sure our direction is set to the next cell\r
// we want to be. If our current coordinates match that, we need\r
// to change our direction to get to the next cell.\r
- if (mPath[mPathIndex % mPath.Count] == mMotion.Coordinates)\r
+ if (mPathIndex < mPath.Count && mPath[mPathIndex] == mMotion.Coordinates)\r
{\r
mPathIndex++;\r
mPathDirection = MovementManager.GetDirection(mMotion.Coordinates, mPath[mPathIndex % mPath.Count]);\r
return mPathDirection;\r
}\r
\r
+ void ChartPath()\r
+ {\r
+ mPath = new List<Point>(32);\r
+\r
+ Point waypoint = mWaypoints[mWaypointIndex % mWaypoints.Count];\r
+ PathFinder pathFinder = new PathFinder(mGame.Grid);\r
+ List<Point> path = pathFinder.GetPath(mMotion.Coordinates, waypoint);\r
+ if (path != null) mPath.AddRange(path);\r
+\r
+ mPathIndex = 0;\r
+ if (mPathIndex < mPath.Count) mPathDirection = MovementManager.GetDirection(mMotion.Coordinates, mPath[mPathIndex]);\r
+ else mPathDirection = Direction.None;\r
+ }\r
+\r
\r
#region IMonster Members\r
\r
/// <param name="contentManager">The zaphnod.</param>\r
public void LoadContent(ContentManager contentManager)\r
{\r
- mTexture = contentManager.Load<Texture2D>("menuItem");\r
+ mTexture = contentManager.Load<Texture2D>("default");\r
}\r
\r
/// <summary>\r
/// <param name="timeSpan"></param>\r
public void Update(TimeSpan timeSpan)\r
{\r
- if (mState == AiState.Pacing)\r
+ switch (mState)\r
{\r
- mMotion.Update(timeSpan, GetDirectionToNextCell());\r
+ case AiState.Pacing:\r
+\r
+ Direction direction = GetDirectionToNextCell();\r
+ Point destination = MovementManager.GetNeighbor(Coordinates, direction);\r
+\r
+ if (mGame.IsCellOpen(destination))\r
+ {\r
+ mMotion.Update(timeSpan, direction);\r
+ }\r
+ else\r
+ {\r
+ if (mGame.CurrentFrameNumber % mRetryInterval == 0)\r
+ {\r
+ // Something is in our way, so let's chart a new course.\r
+ ChartPath();\r
+\r
+ direction = GetDirectionToNextCell();\r
+ /*if (direction == Direction.None)\r
+ {\r
+ // If we still can't chart a course, just stand there\r
+ // and try to chart again later.\r
+ mState = AiState.Standing;\r
+ }*/\r
+\r
+ mMotion.Update(timeSpan, direction);\r
+ }\r
+ else mMotion.Update(timeSpan);\r
+ }\r
+\r
+ break;\r
+\r
+ case AiState.Standing:\r
+\r
+ mMotion.Update(timeSpan);\r
+ break;\r
}\r
}\r
\r
char mId;\r
MovementManager mMotion;\r
\r
- List<Point> m
IdlePath = new List<Point>(); // List of waypoints that we got from the map.
\r- int mIdlePathIndex; // Index to the waypoint we're heading for.\r
+ List<Point> m
Waypoints = new List<Point>(); // List of waypoints that we got from the map.
\r+ int mWaypointIndex; // Index to the waypoint we're heading for.\r
\r
List<Point> mPath; // List of cells in the path between the position between where\r
// we started and the waypoint we're heading for.\r
int mPathIndex; // Index to the cell we're heading for.\r
Direction mPathDirection; // The direction between our current position and the place we're going.\r
+ int mRetryInterval;\r
\r
AiState mState; // What is the monster doing?\r
\r
projects / chaz / carfire / blobdiff