public static float getBlockOnRay(Island island, Ray ray, float distMax, float minDist,
out Vector3 relBlockPos, out Block actBlock)
{
float distance = minDist;
relBlockPos = MainWorld.AbsToRelative(ray.GetPoint(distance));
do
{
Vector3 prevRelBlockPos = relBlockPos;
while (prevRelBlockPos == relBlockPos)
{
distance += 3;
relBlockPos = MainWorld.AbsToRelative(ray.GetPoint(distance));
}
actBlock = island.getBlock(relBlockPos, false);
} while (actBlock is Air && distance < distMax);
return distance;
}
/*
* @return wether or not the block has anyVisible faces
* @return false if block b is null or b is Air
*/
private bool updateBlock(int absX, int absY, int absZ, Block b, Chunk c)
{
if (b == null || b.getName() == "Air") {
return false;
}
bool used = false;
MultiBlock val;
for (int i = 0; i < 6; i++) {
if (!this.mIsland.hasVisibleFaceAt(absX, absY, absZ, (BlockFace)i)) {
continue;
}
used = true;
string face = b.getFace(i);
if (c.multiList.TryGetValue(face, out val)) {
c.dirtyMultiListInsert(face, c.multiList[face]);
c.multiList.Remove(face);
}
else if (!c.dirtyMultiListName.Contains(face)) {
c.addBlockType(b.getMeshType(), face);
c.dirtyMultiListInsert(face, c.multiList[face]);
c.multiList.Remove(face);
}
}
return used;
}
public bool setVisibleFacesForPortals(Vector3 blockCoord, Block curr)
{
bool hasVisiblefaces = false;
Dictionary<BlockFace, Vector3> coordToCheck = new Dictionary<BlockFace, Vector3>();
coordToCheck.Add(BlockFace.rightFace, new Vector3(blockCoord.x + 1, blockCoord.y, blockCoord.z));
coordToCheck.Add(BlockFace.leftFace, new Vector3(blockCoord.x - 1, blockCoord.y, blockCoord.z));
coordToCheck.Add(BlockFace.upperFace, new Vector3(blockCoord.x, blockCoord.y + 1, blockCoord.z));
coordToCheck.Add(BlockFace.underFace, new Vector3(blockCoord.x, blockCoord.y - 1, blockCoord.z));
coordToCheck.Add(BlockFace.frontFace, new Vector3(blockCoord.x, blockCoord.y, blockCoord.z + 1));
coordToCheck.Add(BlockFace.backFace, new Vector3(blockCoord.x, blockCoord.y, blockCoord.z - 1));
foreach(KeyValuePair<BlockFace, Vector3> keyVal in coordToCheck) {
if(this.getBlock(keyVal.Value, false) is Air && !(this.getBlock(keyVal.Value, false) is TransparentBlock)) {
this.setVisibleFaceAt(blockCoord, keyVal.Key, true); hasVisiblefaces = true;
}
}
return hasVisiblefaces;
}
public byte[] linearize(Block[, ,] a)
{
byte[] b = new byte[a.GetLength(0) * a.GetLength(1) * a.GetLength(2)];
int i = 0;
for(int x = 0; x < 16; x++) {
for(int y = 0; y < 16; y++) {
for(int z = 0; z < 16; z++) {
b[i] = a[x, y, z].getId();
i++;
}
}
}
return b;
}
