public Sprite.CompassDirections RandomDirection(Point currentLocation, Sprite.CompassDirections chooseCompassDirections)
{
Sprite.CompassDirections RandomDirection_result;
int x = rand.Next(0, 100); //Rnd(1)*100;
RandomDirection_result = chooseCompassDirections;
if (x<RandomPercent) {
switch(chooseCompassDirections) {
case Sprite.CompassDirections.East:
// Try the other directions
if (arrGameField[currentLocation.X, currentLocation.Y+1]<=GameObjects.Empty) {
RandomDirection_result = Sprite.CompassDirections.South;
}
else if(arrGameField[currentLocation.X, currentLocation.Y-1]<=GameObjects.Empty) {
RandomDirection_result = Sprite.CompassDirections.North;
}
else if(arrGameField[currentLocation.X-1, currentLocation.Y]<=GameObjects.Empty) {
RandomDirection_result = Sprite.CompassDirections.West;
}
break;
case Sprite.CompassDirections.West:
// Try the other directions
if (arrGameField[currentLocation.X, currentLocation.Y+1]<=GameObjects.Empty) {
RandomDirection_result = Sprite.CompassDirections.South;
}
else if(arrGameField[currentLocation.X, currentLocation.Y-1]<=GameObjects.Empty) {
RandomDirection_result = Sprite.CompassDirections.North;
}
else if(arrGameField[currentLocation.X+1, currentLocation.Y]<=GameObjects.Empty) {
RandomDirection_result = Sprite.CompassDirections.East;
}
break;
case Sprite.CompassDirections.North:
// Try the other directions
if (arrGameField[currentLocation.X, currentLocation.Y+1]<=GameObjects.Empty) {
RandomDirection_result = Sprite.CompassDirections.South;
}
else if(arrGameField[currentLocation.X+1, currentLocation.Y]<=GameObjects.Empty) {
RandomDirection_result = Sprite.CompassDirections.East;
}
else if(arrGameField[currentLocation.X-1, currentLocation.Y]<=GameObjects.Empty) {
RandomDirection_result = Sprite.CompassDirections.West;
}
break;
case Sprite.CompassDirections.South:
// Try the other directions
if (arrGameField[currentLocation.X, currentLocation.Y-1]<=GameObjects.Empty) {
RandomDirection_result = Sprite.CompassDirections.North;
}
else if(arrGameField[currentLocation.X+1, currentLocation.Y]<=GameObjects.Empty) {
RandomDirection_result = Sprite.CompassDirections.East;
}
else if(arrGameField[currentLocation.X-1, currentLocation.Y]<=GameObjects.Empty) {
RandomDirection_result = Sprite.CompassDirections.West;
}
break;
}
}
return RandomDirection_result;
}
public Sprite.CompassDirections ChooseNetterpillarDirection(Point currentLocation, Sprite.CompassDirections currentDirection)
{
Sprite.CompassDirections ChooseNetterpillarDirection_result = (Sprite.CompassDirections)0;
GameObjects BestObject;
GameObjects NextObject = (GameObjects)0;
switch(currentDirection) {
case Sprite.CompassDirections.East:
NextObject = arrGameField[currentLocation.X+1, currentLocation.Y];
break;
case Sprite.CompassDirections.West:
NextObject = arrGameField[currentLocation.X-1, currentLocation.Y];
break;
case Sprite.CompassDirections.South:
NextObject = arrGameField[currentLocation.X, currentLocation.Y+1];
break;
case Sprite.CompassDirections.North:
NextObject = arrGameField[currentLocation.X, currentLocation.Y-1];
break;
}
//Pick the lowest value - Mushroom or empty
BestObject = (GameObjects)Math.Min(Math.Min(Math.Min((int)arrGameField[currentLocation.X+1, currentLocation.Y], (int)arrGameField[currentLocation.X-1, currentLocation.Y]), (int)arrGameField[currentLocation.X, currentLocation.Y+1]), (int)arrGameField[currentLocation.X, currentLocation.Y-1]);
// If the current direction is equal the best direction, stay in current direction
if (NextObject==BestObject) {
ChooseNetterpillarDirection_result = currentDirection;
}
else {
// Select the direction of the best object
if (BestObject == arrGameField[currentLocation.X+1, currentLocation.Y]) {
ChooseNetterpillarDirection_result = Sprite.CompassDirections.East;
}
else if (BestObject == arrGameField[currentLocation.X-1, currentLocation.Y]) {
ChooseNetterpillarDirection_result = Sprite.CompassDirections.West;
}
else if (BestObject == arrGameField[currentLocation.X, currentLocation.Y+1]) {
ChooseNetterpillarDirection_result = Sprite.CompassDirections.South;
}
else if (BestObject == arrGameField[currentLocation.X, currentLocation.Y-1]) {
ChooseNetterpillarDirection_result = Sprite.CompassDirections.North;
}
}
ChooseNetterpillarDirection_result = RandomDirection(currentLocation, ChooseNetterpillarDirection_result);
return ChooseNetterpillarDirection_result;
}
public Netterpillar(int x, int y, Sprite.CompassDirections initialDirection, bool isComputer)
{
NetterBody = new NetterBody[25+1];
int incX=0, incY=0;
IsComputer = isComputer;
NetterHeadN = Load(Application.StartupPath+"\\"+IMAGE_PATH+"\\"+(IsComputer ? "" : "Player")+"NetterHeadN.gif");
NetterHeadS = Load(Application.StartupPath+"\\"+IMAGE_PATH+"\\"+(IsComputer ? "" : "Player")+"NetterHeadS.gif");
NetterHeadE = Load(Application.StartupPath+"\\"+IMAGE_PATH+"\\"+(IsComputer ? "" : "Player")+"NetterHeadE.gif");
NetterHeadW = Load(Application.StartupPath+"\\"+IMAGE_PATH+"\\"+(IsComputer ? "" : "Player")+"NetterHeadW.gif");
for(int i=0; i<NetterBodyLength; i++) {
NetterBody[i] = new NetterBody(IsComputer);
}
// Position the Netterpillar on the given point
Direction = initialDirection;
Location.X = x;
Location.Y = y;
// Position each of the body parts
switch(Direction) {
case Sprite.CompassDirections.East:
incX = -1;
break;
case Sprite.CompassDirections.South:
incY = -1;
break;
case Sprite.CompassDirections.West:
incX = 1;
break;
case Sprite.CompassDirections.North:
incY = 1;
break;
}
for(int i=0; i<NetterBodyLength; i++) {
x += incX;
y += incY;
NetterBody[i].Location.X = x;
NetterBody[i].Location.Y = y;
}
}