/// <summary>
/// Initializes a new position.
/// </summary>
/// <param name="gridBlock">Grid block of position.</param>
/// <param name="depth">Remaining depth to traverse.</param>
/// <param name="prevPos">Previous position in traversal.</param>
/// <param name="finalPositions">The final positions list of the move tree.</param>
public Position(GridBlock gridBlock, int depth, Position prevPos, LinkedList<Position> finalPositions) {
this.gridBlock = gridBlock;
//Decrease the number of remaining moves.
depth--;
adjPos = new Position[4];
//Only get adjacent positions if more moves remain.
if(depth > 0 && gridBlock != null) {
//For each adjacent gridblock.
for(int i = 0; i < 4; i++) {
//Get the adjacent gridblock, if it exists.
GridBlock adjGridBlock = gridBlock.getAdj(i);
//Check if the adjacent gridblock exists, and if it can be occupied.
if(adjGridBlock != null && adjGridBlock.unitInstalled == false)
//Set the adjacent gridblock as a space that can be moved to.
adjPos[i] = new Position(adjGridBlock, depth, this, finalPositions);
}
} else {
//If no more moves remain, add to final positions.
finalPositions.AddLast(this);
}
}
/// <summary>
/// called by the unit when it moves
/// </summary>
/// <param name="">.</param>
public void setMovmentDirection(GridBlock currentGridBlockTmp, Direction movmentDirection){
currentGridBlock = currentGridBlockTmp;
gridBlockMovingTo = currentGridBlockTmp.getAdj(movmentDirection);
switch(movmentDirection){
case Direction.UP:
transform.Translate(0, 0, 0.7f);
break;
case Direction.DOWN:
transform.Translate(0, 0, -0.7f);
break;
case Direction.LEFT:
transform.Translate(-0.7f, 0, 0);
break;
case Direction.RIGHT:
transform.Translate(0.7f, 0, 0);
break;
default:
break;
}
directionMoving = movmentDirection;
}
//TODO work on unit overlap
/// <summary>
/// Display unit's projected movement through this block.
/// </summary>
/// <param name="cameFrom">Block this unit is coming from.</param>
/// <param name="isGoingTo">Block this unit is going to.</param>
///<returns> A refrence to the spriteControlers for moveArmIn (0) and moveArmOut (1)
/// when the action is preformed set there color to Color.Clear</returns>
public SpriteControler[] displayMoveOnQueue(GridBlock cameFrom, GridBlock isGoingTo){
SpriteControler moveArmIn = null;
SpriteControler moveArmOut = null;
for(int i = 0; i < 4; i++){
if(isGoingTo.getAdj(i) == cameFrom){
moveArmOut = cameFrom.spriteDisplayScript.movementDirections[i];
// Faster than mod 4.
i += 2;
if(i > 3){
i -= 4;
}
moveArmIn = isGoingTo.spriteDisplayScript.movementDirections[i];
break;
}
}
//TODO Make move arm in add out visible using color.
if(moveArmIn == null || moveArmOut == null){
Debug.LogError("cameFrom and isGoingTo were not adjacent!\n" +
"null was returned to the action");
return null;
}
moveArmIn.setColor(Color.white);
moveArmOut.setColor(Color.white);
SpriteControler[] sc = { moveArmIn, moveArmOut };
return sc;
}
