public static List <Vector3> GetGlobalPointsFromWay(OSMWay way, Dictionary <string, OSMNode> _nodes)
{
List <Vector3> points = new List <Vector3>();
if (way.nodeRefs.Count == 0)
{
return(points);
}
foreach (string nodeRef in way.nodeRefs)
{
OSMNode node;
if (_nodes.TryGetValue(nodeRef, out node))
{
points.Add(new Vector3((float)node.Longitude, 0, (float)node.Latitude));
}
}
return(points);
}
public static void LoadOSMFile(string OsmFilepath, out Dictionary <string, OSMNode> nodes, out Dictionary <string, OSMWay> ways, out List <OSMMapMembers> relations)
{
nodes = new Dictionary <string, OSMNode>();
ways = new Dictionary <string, OSMWay>();
relations = new List <OSMMapMembers>();
if (File.Exists(OsmFilepath))
{
var xmlText = File.ReadAllText(OsmFilepath);
XmlDocument doc = new XmlDocument();
doc.LoadXml(xmlText);
var nodesDoc = doc.DocumentElement.ChildNodes;
foreach (XmlNode node in nodesDoc)
{
if (node.Name == "node")
{
OSMNode n = new OSMNode(node);
if (!nodes.ContainsKey(n.id))
{
nodes.Add(n.id, n);
}
}
else if (node.Name == "way")
{
OSMWay way = new OSMWay(node);
if (!ways.ContainsKey(way.id))
{
ways.Add(way.id, way);
}
}
else if (node.Name == "relation")
{
relations.Add(new OSMMapMembers(node));
}
}
}
}
public static void GenerateTrees(TerrainContainerObject container, List <GameObject> m_treesPrefabs, float m_treeDensity, float TreeScaleFactor, float TreeRandomScaleFactor, float m_TreeDistance, float m_BillBoardStartDistance, Dictionary <string, OSMNode> nodes, Dictionary <string, OSMWay> ways, List <OSMMapMembers> relations)
{
TreeDistance = m_TreeDistance;
BillBoardStartDistance = m_BillBoardStartDistance;
AddTreesToTerrains(container, m_treesPrefabs);
treeNodes = new List <OSMNode>();
woodWays = new List <OSMWay>();
treeRowWays = new List <OSMWay>();
foreach (KeyValuePair <string, OSMNode> pair in nodes)
{
OSMNode n = pair.Value;
if (n.HasTag("natural", "tree"))
{
treeNodes.Add(n);
}
}
foreach (KeyValuePair <string, OSMWay> pair in ways)
{
OSMWay w = pair.Value;
if (w.HasTag("natural", "wood") || w.HasTags("landuse", "forest", "park"))
{
woodWays.Add(w);
}
else if (w.HasTag("natural", "tree_row"))
{
treeRowWays.Add(w);
}
}
totalTreeCount = treeNodes.Count + treeRowWays.Count + woodWays.Count;
if (totalTreeCount == 0)
{
return;
}
alreadyCreated = new HashSet <string>();
var treeDensity = m_treeDensity;
var TLPMercator_X = container.TLPointMercator.x;
var TLPMercator_Y = container.TLPointMercator.y;
var DRPMercator_X = container.DRPointMercator.x;
var DRPMercator_Y = container.DRPointMercator.y;
for (int i = 0; i < treeNodes.Count; i++)
{
OSMNode node = treeNodes[i];
if (alreadyCreated.Contains(node.id))
{
continue;
}
alreadyCreated.Add(node.id);
var NodeP_Merc = GeoRefConversion.LatLongToMercat(node.Longitude, node.Latitude);
double Offest_x = (NodeP_Merc.x - TLPMercator_X) / (DRPMercator_X - TLPMercator_X);
double Offest_y = 1 - (NodeP_Merc.y - TLPMercator_Y) / (DRPMercator_Y - TLPMercator_Y);
Vector3 WSPos = new Vector3((float)(container.transform.position.x + container.size.x * Offest_x), 0, (float)(container.size.z + container.size.z * Offest_y));
SetTreeToTerrain(TreeScaleFactor, TreeRandomScaleFactor, container, WSPos);
}
for (int index = 0; index < treeRowWays.Count; index++)
{
OSMWay way = treeRowWays[index];
if (alreadyCreated.Contains(way.id))
{
continue;
}
alreadyCreated.Add(way.id);
List <Vector3> points = OSMWay.GetGlobalPointsFromWay(way, nodes);
for (int i = 0; i < points.Count; i++)
{
Vector3 WSPos = points[i];
var WSPos_Merc = GeoRefConversion.LatLongToMercat(WSPos.x, WSPos.z);
double Offest_x = (WSPos_Merc.x - TLPMercator_X) / (DRPMercator_X - TLPMercator_X);
double Offest_y = 1 - (WSPos_Merc.y - TLPMercator_Y) / (DRPMercator_Y - TLPMercator_Y);
WSPos.x = (float)(container.transform.position.x + container.size.x * Offest_x);
WSPos.z = (float)(container.transform.position.z + container.size.z * Offest_y);
points[i] = WSPos;
}
for (int i = 0; i < points.Count - 1; i++)
{
int len = Mathf.RoundToInt((points[i] - points[i + 1]).magnitude / m_treeDensity);
if (len > 0)
{
for (int j = 0; j <= len; j++)
{
SetTreeToTerrain(TreeScaleFactor, TreeRandomScaleFactor, container, Vector3.Lerp(points[i], points[i + 1], j / (float)len));
}
}
else
{
SetTreeToTerrain(TreeScaleFactor, TreeRandomScaleFactor, container, points[i]);
}
}
}
for (int index = 0; index < woodWays.Count; index++)
{
OSMWay way = woodWays[index];
if (alreadyCreated.Contains(way.id))
{
continue;
}
alreadyCreated.Add(way.id);
List <Vector3> points = OSMWay.GetGlobalPointsFromWay(way, nodes);
for (int i = 0; i < points.Count; i++)
{
Vector3 p = points[i];
var sp = GeoRefConversion.LatLongToMercat(p.x, p.z);
double rx = (sp.x - TLPMercator_X) / (DRPMercator_X - TLPMercator_X);
double ry = 1 - (sp.y - TLPMercator_Y) / (DRPMercator_Y - TLPMercator_Y);
p.x = (float)(container.transform.position.x + container.size.x * rx);
p.z = (float)(container.transform.position.z + container.size.z * ry);
points[i] = p;
}
Rect rect = Extensions.GetRectFromPoints(points);
int lx = Mathf.RoundToInt(rect.width / m_treeDensity);
int ly = Mathf.RoundToInt(rect.height / m_treeDensity);
if (lx > 0 && ly > 0)
{
m_currentWayID = way.id;
GenerateTerrainsTrees(TreeScaleFactor, TreeRandomScaleFactor, container, treeDensity, lx, ly, rect, points);
}
}
}
public static void GenerateGrass(TerrainContainerObject m_container, List <GISTerrainLoaderSO_Grass> m_GrassPrefabs, float m_GrassDensity, float m_GrassScaleFactor, float m_DetailDistance, Dictionary <string, OSMNode> nodes, Dictionary <string, OSMWay> ways, List <OSMMapMembers> relations)
{
GrassPrefabs = m_GrassPrefabs;
container = m_container;
GrassScaleFactor = m_GrassScaleFactor;
DetailDistance = m_DetailDistance;
AddDetailsLayersToTerrains();
TerrainData tdata = container.terrains[0, 0].terrainData;
int detailResolution = tdata.detailResolution;
alreadyCreated = new List <string>();
details = new List <int[, ]>(container.terrains.Length);
foreach (var item in container.terrains)
{
for (int i = 0; i < GrassPrefabs.Count; i++)
{
details.Add(new int[detailResolution, detailResolution]);
}
}
var detailsInPoint = new float[GrassPrefabs.Count];
var grassWays = new List <OSMWay>();
foreach (KeyValuePair <string, OSMWay> pair in ways)
{
OSMWay w = pair.Value;
if (w.HasTags("landuse", "grass", "farmland", "forest", "meadow", "park", "pasture", "recreation_ground") ||
w.HasTags("leisure", "park", "golf_course") || w.HasTags("natural", "scrub", "wood"))
{
grassWays.Add(w);
}
}
var totalCount = grassWays.Count + container.terrainCount.x;
float density = m_GrassDensity / 100f;
if (density > 1)
{
density = 1;
}
density *= 64;
for (int i = 0; i < grassWays.Count; i++)
{
OSMWay way = grassWays[i];
if (alreadyCreated.Contains(way.id))
{
continue;
}
alreadyCreated.Add(way.id);
if (way.nodeRefs.Count == 0)
{
continue;
}
List <Vector3> Points = new List <Vector3>();
float pxmin = float.MaxValue, pxmax = float.MinValue, pymin = float.MaxValue, pymax = float.MinValue;
for (int m = 0; m < way.nodeRefs.Count; m++)
{
string nodeRef = way.nodeRefs[m];
OSMNode node;
if (!nodes.TryGetValue(nodeRef, out node))
{
continue;
}
var NodeP_Merc = GeoRefConversion.LatLongToMercat(node.Longitude, node.Latitude);
Vector3 wspostion = GeoRefConversion.MercatCoordsToWorld(NodeP_Merc.x, 0, NodeP_Merc.y, container) - container.transform.position;
wspostion = new Vector3(wspostion.x / tdata.size.x * detailResolution, 0, wspostion.z / tdata.size.z * detailResolution);
if (wspostion.x < pxmin)
{
pxmin = wspostion.x;
}
if (wspostion.x > pxmax)
{
pxmax = wspostion.x;
}
if (wspostion.z < pymin)
{
pymin = wspostion.z;
}
if (wspostion.z > pymax)
{
pymax = wspostion.z;
}
Points.Add(wspostion);
}
if (Points.Count < 3)
{
continue;
}
Vector3[] points = Points.ToArray();
for (int x = (int)pxmin; x < pxmax; x++)
{
int tix = Mathf.FloorToInt(x / (float)detailResolution);
if (tix < 0 || tix >= container.terrainCount.x)
{
continue;
}
int tx = x - tix * detailResolution;
for (int y = (int)pymin; y < pymax; y++)
{
int tiy = Mathf.FloorToInt(y / (float)detailResolution);
if (tiy >= container.terrainCount.y || tiy < 0)
{
continue;
}
int tIndex = tiy * container.terrainCount.x + tix;
if (tIndex < 0 || tIndex >= container.terrains.Length)
{
continue;
}
bool intersect = Extensions.IsPointInPolygon(points, x + 0.5f, y - 0.5f);
if (!intersect)
{
continue;
}
int ty = y - tiy * detailResolution;
if (GrassPrefabs.Count == 1)
{
details[tIndex][ty, tx] = (int)density;
}
else
{
float totalInPoint = 0;
int tIndex2 = tIndex * GrassPrefabs.Count;
for (int k = 0; k < GrassPrefabs.Count; k++)
{
float v = Random.Range(0f, 1f);
detailsInPoint[k] = v;
totalInPoint += v;
}
for (int k = 0; k < GrassPrefabs.Count; k++)
{
int v = (int)(detailsInPoint[k] / totalInPoint * density);
if (v > 255)
{
v = 255;
}
details[tIndex2 + k][ty, tx] = v;
}
}
}
}
}
for (int x = 0; x < container.terrainCount.x; x++)
{
for (int y = 0; y < container.terrainCount.y; y++)
{
for (int prefabIndex = 0; prefabIndex < GrassPrefabs.Count; prefabIndex++)
{
int tIndex = y * container.terrainCount.x + x;
container.terrains[x, y].terrainData.SetDetailLayer(0, 0, prefabIndex,
details[tIndex * GrassPrefabs.Count + prefabIndex]);
}
}
}
}