/**
* Get/set neighbors of this pipe.
* null is used if no neighbor is present
*/
public void setNeighbor(Orientation direction, PipeElement pipe)
{
switch (direction)
{
case Orientation.NORTH:
north = pipe;
break;
case Orientation.SOUTH:
south = pipe;
break;
case Orientation.EAST:
east = pipe;
break;
case Orientation.WEST:
west = pipe;
break;
}
// auto-set in the opposite direction if needed
if (pipe.getNeighbor(direction.opposite()) != this)
{
pipe.setNeighbor(direction.opposite(), this);
}
}
private void instanciatePipeGrid(PipeElement[,] grid)
{
objectGrid = new PipeElementScript[GRID_SIZE, GRID_SIZE];
for (int y = 0; y < GRID_SIZE; y++)
{
for (int x = 0; x < GRID_SIZE; x++)
{
if (grid[x, y] != null)
{
PipeElement origin = grid[x, y];
PipeElementScript prefab = null;
switch (origin.type)
{
case PipeElement.Type.PIPE_I:
prefab = pipeI;
break;
case PipeElement.Type.PIPE_L:
prefab = pipeL;
break;
case PipeElement.Type.PIPE_IN:
prefab = pipeIn;
break;
case PipeElement.Type.PIPE_OUT:
prefab = pipeOut;
break;
}
PipeElementScript pipeSprite = (PipeElementScript)Instantiate(prefab);
// set internal pipe element
pipeSprite.setPipeElement(origin);
// set to the appropriate parent (Pipe Container) and position inside
pipeSprite.transform.parent = parentArea;
pipeSprite.transform.localPosition =
new Vector3(x + ORIGIN_X, -y + ORIGIN_Y, 0);
// not very clever, allow/disallow rotation depending on pipe type
if (origin.type == PipeElement.Type.PIPE_IN || origin.type == PipeElement.Type.PIPE_OUT)
{
pipeSprite.setTouchEnable(false);
}
objectGrid[x, y] = pipeSprite;
}
}
}
}
private bool isValidPath(int x, int y, PipeElement.Orientation from)
{
// before anything else, check if (x;y) is the valid output
if (x == outputX && y == outputY && from == outputOrientation)
{
// create the win path
winPath = new LinkedList <PipeElementScript>();
return(true);
}
// check if the given (x;y) is a valid pipe
PipeElement target = getPipeFromGrid(x, y);
if (target == null)
{
return(false);
}
// check if the (x;y) pipe may be connected with the origin direction
PipeElement.Orientation outDir;
if (!target.getDirectionConnected(from, out outDir))
{
return(false);
}
// it's the time for... recursion \o/
int newX, newY;
getNeighborCoordinates(x, y, outDir, out newX, out newY);
if (isValidPath(newX, newY, outDir.opposite()))
{
// okay, we are part of the win path, add ourself on top
winPath.AddFirst(objectGrid[x, y]);
return(true);
}
return(false);
}
/**
* Read a level from an XML document.
*/
private PipeElement[,] instanciateLevelFromXml(TextAsset document)
{
XmlDocument xml = new XmlDocument();
PipeElement[,] grid = new PipeElement[GRID_SIZE, GRID_SIZE];
// load the document and get the level(s)
xml.LoadXml(document.text);
XmlNodeList levelNodes = xml.GetElementsByTagName("level");
XmlAttribute levelEstimatedTime = levelNodes[0].Attributes["estimatedTime"];
if (levelEstimatedTime != null)
{
// use it as the base time for countdown timer
timebar.maxTime = int.Parse(levelEstimatedTime.Value);
}
// start and destination pipes
// TODO init
XmlNodeList pipeNodes = levelNodes[0].ChildNodes;
foreach (XmlNode curNode in pipeNodes)
{
if (curNode.Name == "pipe")
{
int x = 0;
int y = 0;
PipeElement.Orientation orientation = PipeElement.Orientation.NORTH;
PipeElement.Type type = PipeElement.Type.PIPE_I;
// add the pipe if possible
x = int.Parse(curNode.Attributes["x"].Value);
y = int.Parse(curNode.Attributes["y"].Value);
switch (curNode.Attributes["type"].Value)
{
case "L":
type = PipeElement.Type.PIPE_L;
break;
case "I":
type = PipeElement.Type.PIPE_I;
break;
case "in":
type = PipeElement.Type.PIPE_IN;
break;
case "out":
type = PipeElement.Type.PIPE_OUT;
break;
}
XmlAttribute dirAttribute = curNode.Attributes["dir"];
if (dirAttribute == null)
{
orientation = OrientationMethods.randomOrientation();
}
else
{
orientation = OrientationMethods.fromString(dirAttribute.Value);
}
if (x >= 0 && x < GRID_SIZE && y >= 0 && y < GRID_SIZE)
{
// add the new pipe to the grid, and set its neighbors
PipeElement toAdd = new PipeElement(type, orientation);
grid[x, y] = toAdd;
if (toAdd.type == PipeElement.Type.PIPE_IN)
{
inputX = x;
inputY = y;
inputOrientation = orientation;
}
else if (toAdd.type == PipeElement.Type.PIPE_OUT)
{
outputX = x;
outputY = y;
outputOrientation = orientation;
}
// set neighbors
// TODO neighbors
}
}
else
{
}
}
return(grid);
}
public void setPipeElement(PipeElement element)
{
this.element = element;
// set orientation
gameObject.transform.localEulerAngles = new Vector3(0, 0, element.orientation.toDegrees());
}
public void setPipeElement(PipeElement element)
{
this.element = element;
// set orientation
gameObject.transform.localEulerAngles = new Vector3(0, 0, element.orientation.toDegrees());
}
private bool isValidPath(int x, int y, PipeElement.Orientation from)
{
// before anything else, check if (x;y) is the valid output
if(x == outputX && y == outputY && from == outputOrientation) {
// create the win path
winPath = new LinkedList<PipeElementScript>();
return true;
}
// check if the given (x;y) is a valid pipe
PipeElement target = getPipeFromGrid(x, y);
if(target == null)
return false;
// check if the (x;y) pipe may be connected with the origin direction
PipeElement.Orientation outDir;
if(!target.getDirectionConnected(from, out outDir))
return false;
// it's the time for... recursion \o/
int newX, newY;
getNeighborCoordinates(x, y, outDir, out newX, out newY);
if(isValidPath(newX, newY, outDir.opposite())) {
// okay, we are part of the win path, add ourself on top
winPath.AddFirst(objectGrid[x, y]);
return true;
}
return false;
}
private void instanciatePipeGrid(PipeElement[,] grid)
{
objectGrid = new PipeElementScript[GRID_SIZE, GRID_SIZE];
for (int y=0; y<GRID_SIZE; y++) {
for (int x=0; x<GRID_SIZE; x++) {
if(grid[x, y] != null) {
PipeElement origin = grid[x, y];
PipeElementScript prefab = null;
switch(origin.type) {
case PipeElement.Type.PIPE_I:
prefab = pipeI;
break;
case PipeElement.Type.PIPE_L:
prefab = pipeL;
break;
case PipeElement.Type.PIPE_IN:
prefab = pipeIn;
break;
case PipeElement.Type.PIPE_OUT:
prefab = pipeOut;
break;
}
PipeElementScript pipeSprite = (PipeElementScript) Instantiate(prefab);
// set internal pipe element
pipeSprite.setPipeElement (origin);
// set to the appropriate parent (Pipe Container) and position inside
pipeSprite.transform.parent = parentArea;
pipeSprite.transform.localPosition =
new Vector3 (x + ORIGIN_X, -y + ORIGIN_Y, 0);
// not very clever, allow/disallow rotation depending on pipe type
if(origin.type == PipeElement.Type.PIPE_IN || origin.type == PipeElement.Type.PIPE_OUT)
pipeSprite.setTouchEnable(false);
objectGrid[x, y] = pipeSprite;
}
}
}
}
/**
* Read a level from an XML document.
*/
private PipeElement[,] instanciateLevelFromXml(TextAsset document)
{
XmlDocument xml = new XmlDocument ();
PipeElement[,] grid = new PipeElement[GRID_SIZE, GRID_SIZE];
// load the document and get the level(s)
xml.LoadXml(document.text);
XmlNodeList levelNodes = xml.GetElementsByTagName("level");
XmlAttribute levelEstimatedTime = levelNodes[0].Attributes["estimatedTime"];
if(levelEstimatedTime != null) {
// use it as the base time for countdown timer
timebar.maxTime = int.Parse(levelEstimatedTime.Value);
}
// start and destination pipes
// TODO init
XmlNodeList pipeNodes = levelNodes[0].ChildNodes;
foreach (XmlNode curNode in pipeNodes) {
if(curNode.Name == "pipe") {
int x=0;
int y=0;
PipeElement.Orientation orientation = PipeElement.Orientation.NORTH;
PipeElement.Type type = PipeElement.Type.PIPE_I;
// add the pipe if possible
x = int.Parse(curNode.Attributes["x"].Value);
y = int.Parse(curNode.Attributes["y"].Value);
switch(curNode.Attributes["type"].Value) {
case "L":
type = PipeElement.Type.PIPE_L;
break;
case "I":
type = PipeElement.Type.PIPE_I;
break;
case "in":
type = PipeElement.Type.PIPE_IN;
break;
case "out":
type = PipeElement.Type.PIPE_OUT;
break;
}
XmlAttribute dirAttribute = curNode.Attributes["dir"];
if(dirAttribute == null) {
orientation = OrientationMethods.randomOrientation();
}
else {
orientation = OrientationMethods.fromString(dirAttribute.Value);
}
if(x >= 0 && x < GRID_SIZE && y >= 0 && y < GRID_SIZE) {
// add the new pipe to the grid, and set its neighbors
PipeElement toAdd = new PipeElement(type, orientation);
grid[x, y] = toAdd;
if(toAdd.type == PipeElement.Type.PIPE_IN) {
inputX = x;
inputY = y;
inputOrientation = orientation;
}
else if(toAdd.type == PipeElement.Type.PIPE_OUT) {
outputX = x;
outputY = y;
outputOrientation = orientation;
}
// set neighbors
// TODO neighbors
}
}
else {
}
}
return grid;
}
private void getNeighborCoordinates(int x, int y, PipeElement.Orientation dir, out int newX, out int newY)
{
newX = x;
newY = y;
switch(dir) {
case PipeElement.Orientation.NORTH:
newY--;
break;
case PipeElement.Orientation.SOUTH:
newY++;
break;
case PipeElement.Orientation.EAST:
newX++;
break;
case PipeElement.Orientation.WEST:
newX--;
break;
}
}