public bool playerIsInNewChunk()
{
int x = UMaths.scaledFloor(chunkSize, transform.position.x);
int y = UMaths.scaledFloor(chunkSize, transform.position.z);
if (lastChunkX != x || lastChunkY != y)
{
lastChunkX = x;
lastChunkY = y;
return(true);
}
return(false);
}
public void drawPoints(float size = 1)
{
int x = UMaths.scaledFloor(chunkSize, transform.position.x);
int y = UMaths.scaledFloor(chunkSize, transform.position.z);
for (int i = -chunkAdjacentLayers; i <= chunkAdjacentLayers; i++)
{
for (int j = -chunkAdjacentLayers; j <= chunkAdjacentLayers; j++)
{
Vector3 chunkPos = new Vector3(x + (i * chunkSize), 0, y + (j * chunkSize));
Gizmos.DrawSphere(chunkPos, size);
}
}
}
void Update()
{
if (_clearHashMap)
{
clearHashMap();
_clearHashMap = false;
}
if (playerIsInNewChunk())
{
/// chunk Position
int x = UMaths.scaledFloor(chunkSize, transform.position.x);
int y = UMaths.scaledFloor(chunkSize, transform.position.z);
/// chunk number in the world starting from world position 0,0
int xNum = (int)(x / chunkSize);
int yNum = (int)(y / chunkSize);
/// starting tile
// Only for debug
startTile = new USlippyTile(startLon, startLat, zoom);
/// sapwn all the new needed chunks
for (int i = -chunkAdjacentLayers; i <= chunkAdjacentLayers; i++)
{
for (int j = -chunkAdjacentLayers; j <= chunkAdjacentLayers; j++)
{
USlippyTile sTile = new USlippyTile(xNum + i + startTile.x, yNum + j + startTile.y, zoom);
/// This line fix that world is flipped upside down
sTile.y = startTile.y + (startTile.y - sTile.y);
string key = genTerrainName(sTile.x, sTile.y);
if (!map.ContainsKey(key))
{
GameObject t = createTerrain(sTile, key);
Vector3 pos = new Vector3();
pos.Set(x + (i * chunkSize), 0, y + (j * chunkSize));
t.transform.position = pos;
map.Add(key, t);
}
}
}
/// after spawning the new chunks, remove the olders that we dont need
removeResidualChunks();
}
}
/*
* public bool loadOSM(string filePath)
* {
* // load OSM data
* string rawData = OSMLoader.loadFromFile(filePath);
* if (rawData == "") return false;
*
* // initialize the parser
* parser = new OSMParser();
* parser.load(rawData);
* loadBounds();
*
* return true;
* }
*/
private bool loadNodes()
{
nodes = parser.nodes;
/// normalize
double minX = UMaths.lon2x(minLon);
double minY = UMaths.lat2y(minLat);
/// Mercator
foreach (DictionaryEntry e in nodes)
{
OSMNode n = (OSMNode)e.Value;
n.pos.x = (float)UMaths.lon2x(n.lon) - (float)minX;
n.pos.z = (float)UMaths.lat2y(n.lat) - (float)minY;
}
return(true);
}
public static Int3 findChunk(float _x, float _y, float _z, float chunkSize)
{
return(new Int3((int)(UMaths.scaledFloor(chunkSize, _x) / chunkSize), (int)(UMaths.scaledFloor(chunkSize, _y) / chunkSize), (int)(UMaths.scaledFloor(chunkSize, _z) / chunkSize)));
}
private void calculateDimensions()
{
width = UMaths.lon2x(bounds[3]) - UMaths.lon2x(bounds[1]);
height = UMaths.lat2y(bounds[2]) - UMaths.lat2y(bounds[0]);
}
