private static void callNative(NavMeshConfig config, SceneRecastData data, int currentMapID)
{
BytesWriteStream stream = new BytesWriteStream();
stream.setUseBitBoolean(false);
config.write(stream);
string cStr = ShineToolGlobal.mapInfoPath + "/navConfig.bin";
string dStr = SceneEditorWindow.getMapFilePathFront(currentMapID) + "_navData.bin";
string objStr = SceneEditorWindow.getMapFilePathFront(currentMapID) + "_navData.obj";
FileUtils.writeFileForBytesWriteStream(cStr, stream);
stream.clear();
data.write(stream);
FileUtils.writeFileForBytesWriteStream(dStr, stream);
if (_needObjFile)
{
StringBuilder sb = new StringBuilder();
foreach (Vector3 vec in data.vertices)
{
sb.Append('v');
sb.Append(' ');
sb.Append(vec.x);
sb.Append(' ');
sb.Append(vec.y);
sb.Append(' ');
sb.Append(vec.z);
sb.Append('\n');
}
int[] navIndices = data.triangles.getValues();
int len = data.triangles.size() / 3;
for (int i = 0; i < len; i++)
{
sb.Append('f');
sb.Append(' ');
sb.Append(navIndices[i * 3] + 1);
sb.Append(' ');
sb.Append(navIndices[i * 3 + 1] + 1);
sb.Append(' ');
sb.Append(navIndices[i * 3 + 2] + 1);
sb.Append('\n');
}
FileUtils.writeFileForUTF(objStr, sb.ToString());
}
Ctrl.print("callJar");
ToolFileUtils.executeServerTool("exportNav", currentMapID.ToString());
Ctrl.print("OK");
}
/** 将当前场景的mesh写出到路径 */
public static void writeMesh(int currentMapID)
{
_needObjFile = CommonSetting.serverMapRecastNeedObjFile;
MeshFilter[] mfs = Object.FindObjectsOfType <MeshFilter>();
Terrain[] terrains = Object.FindObjectsOfType <Terrain>();
if (terrains.Length > 1)
{
Ctrl.errorLog("地形数目非法");
return;
}
NavMeshConfig config = new NavMeshConfig();
SceneRecastData data = new SceneRecastData();
Terrain terrain = terrains.Length > 0 ? terrains[0] : null;
Bounds b = new Bounds();
_newBound = true;
if (terrain != null)
{
TerrainData terrainData = terrain.terrainData;
Bounds terrainBounds = terrainData.bounds;
terrainBounds.center = terrain.transform.TransformPoint(terrainBounds.center);
// Bounds tBounds=new Bounds(new Vector3(terrainBounds.center.x, 0.0f, terrainBounds.center.z), new Vector3(ChunkSize, 1048576.0f, ChunkSize));
//
// int sx = (int)Mathf.Floor(tBounds.center.x / ChunkSize);
// int sz = (int) Mathf.Floor(tBounds.center.z / ChunkSize);
//
// var tilesPerChunks = (int)(ChunkSize / (config.tileSize * config.cellSize));
//
// data.sizeX = tilesPerChunks;
// data.sizeZ = tilesPerChunks;
// data.originX = sx * tilesPerChunks;
// data.originZ = sz * tilesPerChunks;
// data.tileSize = config.tileSize * config.cellSize;
if (_newBound)
{
_newBound = false;
b = terrainBounds;
}
else
{
b.Encapsulate(terrainBounds);
}
SceneRecastTerrainData tData = data.terrain = new SceneRecastTerrainData();
tData.origin = terrainBounds.min;
int rx = tData.resolutionX = terrainData.heightmapResolution;
int rz = tData.resolutionZ = terrainData.heightmapResolution;
Vector3 mapScale = terrainData.heightmapScale;
tData.unit = mapScale;
tData.unit.y /= 32768.0f;
int startSize = data.triangles.size();
//terrain
short[] heightSamples = tData.heightSamples = new short[tData.resolutionX * tData.resolutionZ];
float[,] rawHeights = terrainData.GetHeights(0, 0, terrainData.heightmapResolution, terrainData.heightmapResolution);
int zm = rz - 1;
int xm = rx - 1;
for (int j = 0; j < rz; j++)
{
for (int i = 0; i < rx; i++)
{
float rawHeight = rawHeights[j, i];
if (_needObjFile)
{
data.vertices.add(new Vector3(i * mapScale.x, rawHeight * mapScale.y, j * mapScale.z));
}
short sample = (short)(rawHeight * 32768.0f);
if (sample < 0)
{
sample = 32767;
}
heightSamples[i + (j * rx)] = sample;
if (_needObjFile)
{
if (j < zm && i < xm)
{
data.triangles.add(i + (j * rx));
data.triangles.add(i + ((j + 1) * rx));
data.triangles.add((i + 1) + ((j + 1) * rx));
data.triangles.add((i + 1) + ((j + 1) * rx));
data.triangles.add((i + 1) + (j * rx));
data.triangles.add(i + (j * rx));
}
}
}
}
if (_needObjFile)
{
if ((data.triangles.size() - startSize) != zm * xm * 6)
{
Ctrl.print("不对1");
}
}
//trees
foreach (TreeInstance tree in terrainData.treeInstances)
{
GameObject treeObj = (GameObject)PrefabUtility.InstantiatePrefab(terrainData.treePrototypes[tree.prototypeIndex].prefab);
treeObj.transform.position = Vector3.Scale(tree.position, terrainData.size) + terrain.transform.position;
treeObj.transform.localScale = new Vector3(tree.widthScale, tree.heightScale, tree.widthScale);
treeObj.transform.rotation = Quaternion.AngleAxis(tree.rotation * Mathf.Rad2Deg, Vector3.up);
MeshFilter[] treeMeshFilters = treeObj.GetComponentsInChildren <MeshFilter>();
foreach (MeshFilter meshFilter in treeMeshFilters)
{
doOneMesh(data, meshFilter, ref b);
}
}
}
//meshes
foreach (MeshFilter meshFilter in mfs)
{
doOneMesh(data, meshFilter, ref b);
}
int gx = (int)(b.size.x / config.cellSize + 0.5f);
int gz = (int)(b.size.z / config.cellSize + 0.5f);
int tz = (int)config.tileSize;
data.sizeX = (gx + tz - 1) / tz;
data.sizeZ = (gz + tz - 1) / tz;
// data.sizeX = (int)(b.size.x / (config.tileSize * config.cellSize));
// data.sizeZ = (int)(b.size.z / (config.tileSize * config.cellSize));
int sx = (int)Mathf.Floor(b.min.x / data.sizeX);
int sz = (int)Mathf.Floor(b.min.z / data.sizeZ);
data.originX = sx * data.sizeX;
data.originZ = sz * data.sizeZ;
data.tileSize = config.tileSize * config.cellSize;
data.min = b.min;
data.min.y -= 1;
data.max = b.max;
data.max.y += 1;
callNative(config, data, currentMapID);
}