public void Init(TerrainAssets config, float size)
{
m_asset = config;
m_visibleSize = size;
m_uvDis = 1f / m_asset.terrain_Size;
}
//创建TerrainAssets索引配置
static TerrainAssets ExportTerrainIndexAssets(Terrain[] terrains)
{
string pathTerrainAssets = string.Format("{0}/TerrainData.asset", ExportFolder);
TerrainAssets terrainAssets = GetStriptableObject <TerrainAssets>(pathTerrainAssets);
terrainAssets.terrain_Row_Count = TERRAIN_ROW_COUNT;
terrainAssets.terrain_Column_Count = TERRAIN_COLUMN_COUNT;
terrainAssets.terrain_Size = TERRAIN_SIZE;
terrainAssets.terrainIndex = new string[TERRAIN_ROW_COUNT * TERRAIN_COLUMN_COUNT];
foreach (Terrain terrain in terrains)
{
TerrainData terrainData = terrain.terrainData;
if (terrainData.size.x == TERRAIN_SIZE && terrainData.size.z == TERRAIN_SIZE)
{
int x = (int)terrain.transform.localPosition.x;
int z = (int)terrain.transform.localPosition.z;
if (x % TERRAIN_SIZE == 0 && z % TERRAIN_SIZE == 0)
{
int index_x = x / TERRAIN_SIZE;
int index_y = z / TERRAIN_SIZE;
if (index_x > TERRAIN_ROW_COUNT || index_y > TERRAIN_COLUMN_COUNT)
{
Debug.LogErrorFormat("地形{0}坐标超出地图行：{1}列：{2}：{3}", terrain.name, TERRAIN_ROW_COUNT, TERRAIN_COLUMN_COUNT, terrain.transform.localPosition);
continue;
}
int index = index_y * TERRAIN_COLUMN_COUNT + index_x;
terrainAssets.terrainIndex[index] = terrainData.name;
}
else
{
Debug.LogErrorFormat("地形{0}坐标不是Size：{1}的倍数：{2}", terrain.name, TERRAIN_SIZE, terrain.transform.localPosition);
}
}
else
{
Debug.LogErrorFormat("地形{0}大小错误：{1}", terrain.name, terrainData.size);
}
}
UnityEditor.EditorUtility.SetDirty(terrainAssets);
UnityEditor.AssetDatabase.SaveAssets();
return(terrainAssets);
}
static void CreateTerrainRoot(TerrainAssets terrainAssets)
{
GameObject root = GameObject.Find(EXPORT_ROOT_NAME);
GameObject.DestroyImmediate(root);
root = new GameObject(EXPORT_ROOT_NAME);
TerrainRoot hierarchy = root.AddComponent <TerrainRoot>();
GameObject go = new GameObject("Terrain");
go.transform.SetParent(root.transform);
go.transform.localPosition = Vector3.zero;
go.transform.localRotation = Quaternion.identity;
go.transform.localScale = Vector3.one;
//MeshFilter
MeshFilter filter = go.GetComponent <MeshFilter>();
if (filter == null)
{
filter = go.AddComponent <MeshFilter>();
}
//MeshRenderer
MeshRenderer renderer = go.GetComponent <MeshRenderer>();
if (renderer == null)
{
renderer = go.AddComponent <MeshRenderer>();
}
renderer.shadowCastingMode = UnityEngine.Rendering.ShadowCastingMode.Off;
//Material
Dictionary <int, Material> matDic = new Dictionary <int, Material>();
for (int i = 0; i < terrainAssets.terrainIndex.Length; i++)
{
string terrainName = terrainAssets.terrainIndex[i];
if (string.IsNullOrEmpty(terrainName))
{
continue;
}
string pathMeshData = string.Format("{0}/{1}.asset", MeshDataExportFolder, terrainAssets.terrainIndex[i]);
TerrainMeshData meshData = GetStriptableObject <TerrainMeshData>(pathMeshData);
if (!matDic.ContainsKey(meshData.matIndex))
{
matDic.Add(meshData.matIndex, meshData.material);
}
}
Material[] mats = new Material[matDic.Count];
foreach (var kv in matDic)
{
mats[kv.Key] = kv.Value;
}
renderer.sharedMaterials = mats;
//BoxCollider
BoxCollider collider = go.GetComponent <BoxCollider>();
if (collider == null)
{
collider = go.AddComponent <BoxCollider>();
}
hierarchy.RootTerrain = go;
string path = string.Format("{0}/TerrainRoot.prefab", ExportFolder);
if (File.Exists(path))
{
GameObject prefab = AssetDatabase.LoadAssetAtPath <GameObject>(path);
PrefabUtility.ReplacePrefab(root, prefab);
}
else
{
PrefabUtility.CreatePrefab(path, root);
}
GameObject.DestroyImmediate(root);
}