public void DisplayArea()
{
if (area != null) {
DestroyImmediate (area);
}
area = new GameObject ("Area");
area.hideFlags = HideFlags.HideInHierarchy;
area.transform.parent = transform;
area.transform.localPosition = Vector3.zero;
area.transform.localRotation = Quaternion.identity;
int numVoxels = queryMask.Length;
if (numVoxels > 1820) {
Debug.LogError ("number of voxels cannot be > 1820");
enabled = false;
return;
}
ProceduralMesh mesh = new ProceduralMesh (numVoxels * 24, numVoxels * 36);
float yOffset = (-queryHeight * 0.5f) * VoxelEngine.instance.voxelSize + VoxelEngine.instance.halfVoxelSize;
float zOffset = (-queryDepth * 0.5f) * VoxelEngine.instance.voxelSize + VoxelEngine.instance.halfVoxelSize;
float xOffset = (-queryWidth * 0.5f) * VoxelEngine.instance.voxelSize + VoxelEngine.instance.halfVoxelSize;
Vector3 yStart = new Vector3 (0.0f, yOffset, 0.0f);
int queryDepth_x_queryWidth = queryDepth * queryWidth;
for (int y = 0; y < queryHeight; y++) {
int y1 = y * queryDepth_x_queryWidth;
Vector3 zStart = new Vector3 (0.0f, 0.0f, zOffset);
for (int z = 0; z < queryDepth; z++) {
int z1 = z * queryWidth;
Vector3 xStart = new Vector3 (xOffset, 0.0f, 0.0f);
for (int x = 0; x < queryWidth; x++) {
Vector3 center = yStart + zStart + xStart;
if (queryMask [y1 + z1 + x]) {
ProceduralMeshes.CreateCube (mesh, VoxelEngine.instance.voxelSize, VoxelEngine.instance.voxelSize, VoxelEngine.instance.voxelSize, center);
}
xStart += VoxelEngine.instance.right;
}
zStart += VoxelEngine.instance.forward;
}
yStart += VoxelEngine.instance.up;
}
Mesh areaMesh = mesh.Build ();
MeshFilter meshFilter;
if ((meshFilter = area.GetComponent<MeshFilter> ()) == null) {
meshFilter = area.AddComponent<MeshFilter> ();
}
meshFilter.sharedMesh = areaMesh;
MeshRenderer meshRenderer;
if ((meshRenderer = area.GetComponent<MeshRenderer> ()) == null) {
meshRenderer = area.AddComponent<MeshRenderer> ();
}
meshRenderer.sharedMaterial = GetVoxelRemoverMaterial ();
}
public void Build()
{
if (width < 1 || height < 1 || depth < 1) {
// Debug.LogError ("width or height or depth < 1");
enabled = false;
return;
}
if (data == null) {
// Debug.LogError ("data == null");
enabled = false;
return;
}
int numVoxels = data.Length;
if (numVoxels > 1820) {
// Debug.LogError ("number of voxels cannot be > 1820");
enabled = false;
return;
}
depth_x_width = depth * width;
float halfWidth = width * 0.5f;
float halfHeight = height * 0.5f;
float halfDepth = depth * 0.5f;
offset = new Vector3 (halfWidth * VoxelEngine.instance.voxelSize, halfHeight * VoxelEngine.instance.voxelSize, halfDepth * VoxelEngine.instance.voxelSize);
ProceduralMesh mesh = new ProceduralMesh (numVoxels * 24, numVoxels * 36);
float yOffset = -halfHeight * VoxelEngine.instance.voxelSize + VoxelEngine.instance.halfVoxelSize;
float zOffset = -halfDepth * VoxelEngine.instance.voxelSize + VoxelEngine.instance.halfVoxelSize;
float xOffset = -halfWidth * VoxelEngine.instance.voxelSize + VoxelEngine.instance.halfVoxelSize;
Vector3 yStart = new Vector3 (0.0f, yOffset, 0.0f);
Rect[] uvRects = new Rect[6];
for (int y = 0; y < height; y++) {
int y1 = y * depth_x_width;
Vector3 zStart = new Vector3 (0.0f, 0.0f, zOffset);
for (int z = 0; z < depth; z++) {
int z1 = z * width;
Vector3 xStart = new Vector3 (xOffset, 0.0f, 0.0f);
for (int x = 0; x < width; x++) {
Vector3 center = yStart + zStart + xStart;
byte voxelId = data [y1 + z1 + x].id;
if (voxelId > 0) {
int excludeFaces = 0;
if (HasFrontNeighbor (x, y1, z)) {
excludeFaces |= (int)FaceDirection.FRONT;
}
bool hasTopNeighbor;
if ((hasTopNeighbor = HasTopNeighbor (x, y, z1))) {
excludeFaces |= (int)FaceDirection.TOP;
}
if (HasRightNeighbor (x, y1, z1)) {
excludeFaces |= (int)FaceDirection.RIGHT;
}
if (HasBottomNeighbor (x, y, z1)) {
excludeFaces |= (int)FaceDirection.BOTTOM;
}
if (HasBackNeighbor (x, y1, z)) {
excludeFaces |= (int)FaceDirection.BACK;
}
if (HasLeftNeighbor (x, y1, z1)) {
excludeFaces |= (int)FaceDirection.LEFT;
}
int frontFaceTileId, topFaceTileId, rightFaceTileId, backFaceTileId, bottomFaceTileId, leftFaceTileId;
VoxelEngine.instance.GetVoxelFaceMapping (voxelId, out frontFaceTileId, out topFaceTileId, out rightFaceTileId, out backFaceTileId, out bottomFaceTileId, out leftFaceTileId, hasTopNeighbor);
// front
uvRects [0] = VoxelEngine.instance.GetTileUv (frontFaceTileId);
// top
uvRects [1] = VoxelEngine.instance.GetTileUv (topFaceTileId);
// right
uvRects [2] = VoxelEngine.instance.GetTileUv (rightFaceTileId);
// back
uvRects [3] = VoxelEngine.instance.GetTileUv (backFaceTileId);
// bottom
uvRects [4] = VoxelEngine.instance.GetTileUv (bottomFaceTileId);
// left
uvRects [5] = VoxelEngine.instance.GetTileUv (leftFaceTileId);
ProceduralMeshes.CreateCube (mesh, VoxelEngine.instance.voxelSize, VoxelEngine.instance.voxelSize, VoxelEngine.instance.voxelSize, center, uvRects, excludeFaces);
} else {
ProceduralMeshes.CreateCube (mesh, VoxelEngine.instance.voxelSize, VoxelEngine.instance.voxelSize, VoxelEngine.instance.voxelSize, center, EMPTY_UV_RECTS, EXCLUDE_ALL_FACES);
}
xStart += VoxelEngine.instance.right;
}
zStart += VoxelEngine.instance.forward;
}
yStart += VoxelEngine.instance.up;
}
chunkMesh = mesh.Build ();
chunkMesh.MarkDynamic ();
if ((meshFilter = gameObject.GetComponent<MeshFilter> ()) == null) {
meshFilter = gameObject.AddComponent<MeshFilter> ();
}
meshFilter.sharedMesh = chunkMesh;
if ((meshCollider = gameObject.GetComponent<MeshCollider> ()) == null) {
meshCollider = gameObject.AddComponent<MeshCollider> ();
}
meshCollider.sharedMesh = chunkMesh;
MeshRenderer meshRenderer;
if ((meshRenderer = gameObject.GetComponent<MeshRenderer> ()) == null) {
meshRenderer = gameObject.AddComponent<MeshRenderer> ();
}
meshRenderer.sharedMaterial = VoxelEngine.instance.atlas;
built = true;
}