public bool Init(LayerTerrainColor color, LayerTerrainGroups.Chunk data, TerrainFile file, Material mat)
{
chunkData = data;
filedata = file;
ChunkColumn = (file.terrainWidth / data.ChunkWidth);
//2 *2 or 3*3 4*4
ChunkRow = (file.terrainLength / data.ChunkLenght);
ChunkCount = ChunkColumn * ChunkRow;
//create Chunk
Chunks.Capacity = ChunkCount;
float WorldChunkSize = file.worldSize.x / ChunkColumn;
for (int idy = 0; idy < ChunkRow; ++idy)
{
for (int idx = 0; idx < ChunkColumn; ++idx)
{
GameObject Chunk = new GameObject(this.gameObject.name + "Chunk[" + idy.ToString() + ":" + idx.ToString() + "]");
Chunk.transform.parent = transform;
Chunk.tag = "Terrain";
Chunk.layer = 8;
MeshFilter meshfilter = Chunk.AddComponent <MeshFilter>();
meshfilter.hideFlags = HideFlags.HideAndDontSave;
MeshRenderer render = Chunk.AddComponent <MeshRenderer>();
render.hideFlags = HideFlags.DontSave;
TerrainChunk terrainChunkItem = Chunk.AddComponent <TerrainChunk>();
terrainChunkItem.hideFlags = HideFlags.HideAndDontSave;
Vector2Int index = new Vector2Int();
index.x = idx;
index.y = idy;
Vector3 offset = new Vector3();
offset.x = WorldChunkSize * idx;
offset.z = WorldChunkSize * idy;
offset.y = 0.0f;
terrainChunkItem.Init(new Vector2Int(idx, idy), offset,
new Vector2(WorldChunkSize, WorldChunkSize),
file, color, data, mat);
Chunks.Add(terrainChunkItem);
}
}
return(true);
}
private void BuildTriangles(LayerTerrainColor colorConfig, LayerTerrainGroups.Chunk chunkConfig)
{
float cellx = worldSize.x / boxSize.x;
float celly = worldSize.y / boxSize.y;
//triangles.Capacity = boxSize.x * boxSize.y * 2;
int heightDataIndex = nChunkId.y * (groupInfo.terrainWidth * boxSize.y) + nChunkId.x * boxSize.x;
//int valueTest = 0;
/// V1-----V2
/// | |
/// V0-----V3
///
Vector3 v0 = new Vector3();
Vector3 v1 = new Vector3();
Vector3 v2 = new Vector3();
Vector3 v3 = new Vector3();
Vector3 vCellx = new Vector3(cellx, 0, 0);
Vector3 vCelly = new Vector3(0, 0, celly);
int triangleIndex = 0;
int boxIndex = 0;
for (int idy = 0; idy < boxSize.y; ++idy)
{
for (int idx = 0; idx < boxSize.x; ++idx)
{
v0.x = idx * cellx;
v0.z = idy * celly;
v1 = v0 + vCelly;
v2 = v0 + vCellx + vCelly;
v3 = v0 + vCellx;
int BoxIndex = heightDataIndex + (idy * groupInfo.terrainWidth) + idx;
//Triangle 1
TerrainTriangle triangle1 = new TerrainTriangle();
triangle1.groupInfo = groupInfo;
triangle1.colorConfig = colorConfig;
triangle1.chunkConfig = chunkConfig;
triangle1.chunkIndex = new TerrainTriangle.HeightDataIndex(BoxIndex, BoxIndex + groupInfo.terrainWidth, BoxIndex + groupInfo.terrainWidth + 1);
triangle1._v0 = v0;
triangle1._v1 = v1;
triangle1._v2 = v2;
triangles[triangleIndex++] = triangle1;
//Triangle 2
TerrainTriangle triangle2 = new TerrainTriangle();
triangle2.groupInfo = groupInfo;
triangle2.colorConfig = colorConfig;
triangle2.chunkConfig = chunkConfig;
triangle2.chunkIndex = new TerrainTriangle.HeightDataIndex(BoxIndex, BoxIndex + groupInfo.terrainWidth + 1, BoxIndex + 1);
triangle2._v0 = v0;
triangle2._v1 = v2;
triangle2._v2 = v3;
triangles[triangleIndex++] = triangle2;
TerrainBox box = new TerrainBox(groupInfo, colorConfig, chunkConfig);
box.ChunkOffSet = offset;
box.v0Index = BoxIndex;
box.v1Index = BoxIndex + groupInfo.terrainWidth;
box.v2Index = BoxIndex + groupInfo.terrainWidth + 1;
box.v3Index = BoxIndex + 1;
box._v0 = v0;
box._v1 = v1;
box._v2 = v2;
box._v3 = v3;
box.groupInfo = groupInfo;
box.colorConfig = colorConfig;
box.chunkConfig = chunkConfig;
boxs[boxIndex++] = box;
}
}
}
public bool Init(Vector2Int ChunkId, Vector3 vOffset, Vector2 vRealSize, TerrainFile _groupInfo, LayerTerrainColor colorConfig, LayerTerrainGroups.Chunk chunkConfig, Material mat)
{
_boxRect = new Rect(new Vector2(vOffset.x, vOffset.z), vRealSize);
// Material matrial = Resources.Load<Material>("Terrain/TerainShader");
//matrial.
//LayerTerrain.terrainMatrial;
meshFilter = this.gameObject.GetComponent <MeshFilter>();
if (meshFilter.sharedMesh == null)
{
meshFilter.mesh = new Mesh();
meshFilter.sharedMesh.MarkDynamic();
}
meshRender = gameObject.GetComponent <MeshRenderer>();
#if UNITY_ANDROID
meshRender.shadowCastingMode = UnityEngine.Rendering.ShadowCastingMode.Off;
#endif
meshRender.receiveShadows = true;
meshRender.sharedMaterial = mat;
meshCollider = gameObject.AddComponent <MeshCollider>();
meshCollider.hideFlags = HideFlags.HideAndDontSave;
meshCollider.cookingOptions = MeshColliderCookingOptions.CookForFasterSimulation | MeshColliderCookingOptions.EnableMeshCleaning | MeshColliderCookingOptions.InflateConvexMesh | MeshColliderCookingOptions.WeldColocatedVertices;
meshCollider.sharedMesh = meshFilter.sharedMesh;
nChunkId = ChunkId;
offset = vOffset;
boxSize = new Vector2Int(chunkConfig.ChunkWidth, chunkConfig.ChunkLenght);
worldSize = vRealSize;
groupInfo = _groupInfo;
//build triangles
BuildTriangles(colorConfig, chunkConfig);
BuildChunk();
BrushChunkEnd();
transform.localPosition = offset;
return(true);
}
public TerrainBox(TerrainFile file, LayerTerrainColor _colorConfig, LayerTerrainGroups.Chunk chunkdata)
{
groupInfo = file;
colorConfig = _colorConfig;
chunkConfig = chunkdata;
}