//builds a street from the center of a large unit to the edge in the given direction
private void buildMidCurve(TULarge lu, Vector2 outsideConPoint, Dir dir, TransportUnit powMid, PSide side) //powmid is the mid unit that contains the large's conpoint
{
int gix = 0, giy = 0; //goal index x and y of the goal mid unit
float outSlope = GridMath.findSlope(lu.conPoint, outsideConPoint); //find the average slope from this conPoint to the outsideConPoint
Debug.DrawLine(UnitConverter.getWP(new SurfacePos(PSide.TOP, lu.conPoint.x, lu.conPoint.y), 10000, sideLength),
UnitConverter.getWP(new SurfacePos(PSide.TOP, outsideConPoint.x, outsideConPoint.y), 10000, sideLength), Color.blue, Mathf.Infinity);
//determine the goal mid unit
if (dir == Dir.RIGHT)
{
//find the index of the goal mid unit
float goalPosX = (lu.indexI + 1) * sideLengthLarge; //the x value of the very right side of the large unit in mid units
float goalPosY = GridMath.findY(goalPosX, lu.conPoint, outSlope); //the y value on the line between teh two conpoints
GridMath.findMidIndexfromPoint(new Vector2(goalPosX - 0.5f, goalPosY), midTUWidth, out gix, out giy);
TransportUnit goalMid = buildMid(gix, giy, side);
goalMid.conRight = true;
goalMid.RightLev = 1;
//Debug.DrawLine(UnitConverter.getWP(new SurfacePos(PSide.TOP, lu.conPoint.x, lu.conPoint.y), 10000, 1024),
// UnitConverter.getWP(new SurfacePos(PSide.TOP, goalPosX, goalPosY), 10000, 1024), Color.blue, Mathf.Infinity);
}
else if (dir == Dir.LEFT)
{
//find the index of the goal mid unit
float goalPosX = (lu.indexI) * sideLengthLarge; //the x value of the very right side of the large unit in mid units
float goalPosY = GridMath.findY(goalPosX, lu.conPoint, outSlope); //the y value on the line between teh two conpoints
GridMath.findMidIndexfromPoint(new Vector2(goalPosX + 0.5f, goalPosY), midTUWidth, out gix, out giy);
//buildMid(gix, giy, side).conLeft=true;
}
else if (dir == Dir.UP)
{
//find the index of the goal mid unit
float goalPosY = (lu.indexJ + 1) * sideLengthLarge; //the x value of the very right side of the large unit in mid units
float goalPosX = GridMath.findX(goalPosY, lu.conPoint, outSlope); //the y value on the line between teh two conpoints
GridMath.findMidIndexfromPoint(new Vector2(goalPosX, goalPosY - 0.5f), midTUWidth, out gix, out giy);
TransportUnit goalMid = buildMid(gix, giy, side);
goalMid.conUp = true;
goalMid.UpLev = 1;
}
else if (dir == Dir.DOWN)
{
//find the index of the goal mid unit
float goalPosY = (lu.indexJ) * sideLengthLarge; //the x value of the very right side of the large unit in mid units
float goalPosX = GridMath.findX(goalPosY, lu.conPoint, outSlope); //the y value on the line between teh two conpoints
GridMath.findMidIndexfromPoint(new Vector2(goalPosX, goalPosY + 0.5f), midTUWidth, out gix, out giy);
}
//the x and y index of the mid unit last created in the loop(starts as if pows were last created)
//int lastix = powIndexX, lastiy = powIndexY;
TransportUnit lastMid = powMid;
while (true)
{
//the difference in indexes between the current and goal mid units
int xdif = gix - lastMid.indexI;
int ydif = giy - lastMid.indexJ;
//the direction to move in this loop iteration(1=x 2=y)
int movedir;
//if they are both not on the goal index, pick a random one to change
if (xdif != 0 && ydif != 0)
{
movedir = lu.rng.NextDouble() > 0.5 ? 1:2;
}
else if (xdif != 0)
{
movedir = 1;
}
else if (ydif != 0)
{
movedir = 2;
}
else //if they are both zero we are done maybe?
{
break; //?
}
//the index of the mid unit to be created
int curix = lastMid.indexI, curiy = lastMid.indexJ;
//if moving in the x direction
if (movedir == 1)
{
if (xdif > 0)
{
curix++;
}
else
{
curix--;
}
}
else //movedir==2
{
if (ydif > 0)
{
curiy++;
}
else
{
curiy--;
}
}
//create or retrieve the new mid unit
TransportUnit curMid = buildMid(curix, curiy, side);
//set its conpoint if it has not already been set
curMid.setConPoint(new Vector2((curix + (float)lu.rng.NextDouble()) * midTUWidth, (curiy + (float)lu.rng.NextDouble()) * midTUWidth));
//MyDebug.placeMarker(UnitConverter.getWP(new SurfacePos(PSide.TOP, curMid.conPoint.x, curMid.conPoint.y), 10000, 1024), 5);
connectUnits(curMid, lastMid, 1);
lastMid = curMid;
}
}
//builds a level 2 street of length from startMid within curLarge transport unit
private void buildLev2(TULarge curLarge, TransportUnit startMid, int length, PSide side)
{
//the max and min indexes that the street can be built to(stay within the large unit)
//move out of this function so it is not recalculated every time
int maxI = (curLarge.indexI + 1) * largeTUWidth - 1;
int minI = (curLarge.indexI) * largeTUWidth;
int maxJ = (curLarge.indexJ + 1) * largeTUWidth - 1;
int minJ = (curLarge.indexJ) * largeTUWidth;
//the last mid unit to build away from
TransportUnit lastMid = startMid;
Dir lastDir;
for (int i = 0; i < length; i++)
{
//the direction to build
//NOTE: modify later to not build back from the same direction
Dir dir = (Dir)(curLarge.rng.Next(1, 5));
//the index of the new mid unit to modify
int curix = lastMid.indexI;
int curiy = lastMid.indexJ;
if (dir == Dir.RIGHT)
{
curix++;
if (curix > maxI)
{
lastMid.conRight = true;
lastMid.RightLev = 2;
break;
}
}
if (dir == Dir.LEFT)
{
curix--;
if (curix < minI)
{
break;
}
}
if (dir == Dir.UP)
{
curiy++;
if (curiy > maxJ)
{
lastMid.conUp = true;
lastMid.UpLev = 2;
break;
}
}
if (dir == Dir.DOWN)
{
curiy--;
if (curiy < minJ)
{
break;
}
}
//build (or just retrieve) the mid unit at the new indexes
TransportUnit curMid = buildMid(curix, curiy, side);
//set its conpoint if it has not already been set
curMid.setConPoint(new Vector2((curix + (float)curLarge.rng.NextDouble()) * midTUWidth, (curiy + (float)curLarge.rng.NextDouble()) * midTUWidth));
//MyDebug.placeMarker(UnitConverter.getWP(new SurfacePos(PSide.TOP, curMid.conPoint.x, curMid.conPoint.y), 10000, 1024), 10);
//connect on level 2
connectUnits(curMid, lastMid, 2);
lastMid = curMid;
}
}