public void placeRivers()
{
int numBridges = ld.width/15 - 1;
int numBridgesPlaced = 0;
//Where does the river enter and exit the map? (horizontal only ATM)
int entrance = (int) Mathf.Clamp(r.getIntInRange(3,ld.height-3),3,ld.height-1);
int exit = (int) Mathf.Clamp(r.getIntInRange(3,ld.height-3),3,ld.height-1);
Vector2 start = new Vector2(0, entrance);
Vector2 end = new Vector2(ld.width-1, exit);
// SET UP THE ASTAR
astar = new AStar(ld.width, ld.height);
astar.clearGrid();
astar.allowDiagonals = true;
astar.penalizeDirectionChanges = false;
astar.setStartAndEnd(start, end);
astar.THE_SEED = (float)ld.seed;
astar.COVER_SCATTER = 0.1f;
astar.randomCover((int)ld.seed);
//The river winds around mountains and other solid stuff if it can
GridNode[] thePath = astar.findPath();
int placeABridgeCounter = r.getIntInRange(1,thePath.Length /numBridges+5);
for(int i=0; i<thePath.Length; i++)
{
GridNode node = thePath[i];
int x = (int)node.x;
int y = (int)node.y;
int yup = (int)Mathf.Max(y-1,0);
int xup = (int)Mathf.Min(x+1,ld.width-1);
if(numBridgesPlaced <= numBridges && placeABridgeCounter <= 0)
{
ld.placeTile(x,y,BRIDGE,-1, false);
ld.placeTile(x,yup,BRIDGE,-1, false);
ld.placeTile(xup,y,BRIDGE,-1, false);
ld.placeTile(xup,yup,BRIDGE,-1, false);
numBridgesPlaced ++;
placeABridgeCounter = r.getIntInRange(1,thePath.Length /numBridges);
}
else
{
ld.placeTile(x,y,WATER,-1, true);
ld.placeTile(x,yup,WATER,-1, true);
ld.placeTile(xup,y,WATER,-1, true);
ld.placeTile(xup,yup,WATER,-1, true);
}
placeABridgeCounter--;
}//foreach
}