public void BuildFluid(Block block, int x, int y, int z, MeshData meshData)
{
Vector3i local = Map.ToLocalPos(x, y, z);
Vector3i worldPos = new Vector3i(x, y, z);
AdjacentBlocks neighbors = Map.GetAdjacentBlocks(x, y, z);
int curLevel = block.FluidLevel;
float offset = FluidSimulator.GetOffset(curLevel);
if (IsFluidFaceVisible(curLevel, x, y, z + 1, neighbors.front, Direction.Back))
{
BuildFrontFluid(block, local.x, local.y, local.z, meshData, Direction.Front, offset, neighbors.front);
BuildSquareLight(Axis.Z, worldPos, meshData, squareOffsetFront);
}
if (IsFluidFaceVisible(curLevel, x, y, z - 1, neighbors.back, Direction.Front))
{
BuildBackFluid(block, local.x, local.y, local.z, meshData, Direction.Back, offset, neighbors.back);
BuildSquareLight(Axis.Z, worldPos, meshData, squareOffsetBack);
}
if (IsFluidFaceVisible(curLevel, x + 1, y, z, neighbors.right, Direction.Left))
{
BuildRightFluid(block, local.x, local.y, local.z, meshData, Direction.Right, offset, neighbors.right);
BuildSquareLight(Axis.X, worldPos, meshData, squareOffsetRight);
}
if (IsFluidFaceVisible(curLevel, x - 1, y, z, neighbors.left, Direction.Right))
{
BuildLeftFluid(block, local.x, local.y, local.z, meshData, Direction.Left, offset, neighbors.left);
BuildSquareLight(Axis.X, worldPos, meshData, squareOffsetLeft);
}
if (IsFluidFaceVisible(curLevel, x, y + 1, z, neighbors.top, Direction.Down))
{
BuildTopFluid(block, local.x, local.y, local.z, meshData, Direction.Up, offset);
BuildSquareLight(Axis.Y, worldPos, meshData, squareOffsetTop);
}
if (IsFluidFaceVisible(curLevel, x, y - 1, z, neighbors.bottom, Direction.Up))
{
BuildBottomFluid(block, local.x, local.y, local.z, meshData, Direction.Down);
BuildSquareLight(Axis.Y, worldPos, meshData, squareOffsetBottom);
}
}
private void BuildLeftFluid(Block block, int x, int y, int z, MeshData meshData, int dir, float offset, Block adj)
{
AddIndices(meshData);
float adjOffset = -0.5f;
if (adj.IsFluid())
{
int adjLevel = adj.FluidLevel;
adjOffset = FluidSimulator.GetOffset(adjLevel);
}
meshData.AddVertex(new Vector3(-0.5f, adjOffset, -0.5f), x, y, z);
meshData.AddVertex(new Vector3(-0.5f, offset, -0.5f), x, y, z);
meshData.AddVertex(new Vector3(-0.5f, offset, 0.5f), x, y, z);
meshData.AddVertex(new Vector3(-0.5f, adjOffset, 0.5f), x, y, z);
AddFluidUVs(block, dir, meshData, offset - adjOffset);
}