// TODO: some cleaning?
public void OnBlockUpdate(BlockEventData data, Dictionary <BlockFace, BlockEventData> neighbours, params int[] args)
{
short sourceDistance = data.chunk.GetParameterValue(new BlockParameter(data.LocalPosition, ParameterType.WATER_SOURCE_DISTANCE));
BlockType belowBlock = neighbours[BlockFace.BOTTOM].blockType;
// checl for WATER_SOURCE_DISTANCE in neighbour blocks
short biggestSourceDistance = 0;
for (int i = 2; i < 6; i++)
{
BlockEventData blockUpdateEventData = neighbours[(BlockFace)i];
int index = Utils.BlockPosition3DtoIndex(blockUpdateEventData.LocalPosition);
BlockType type = blockUpdateEventData.chunk.blocks[index];
if (type == BlockType.WATER)
{
BlockParameter param = new BlockParameter(blockUpdateEventData.LocalPosition, ParameterType.WATER_SOURCE_DISTANCE);
short neighbourSourceDistance = blockUpdateEventData.chunk.GetParameterValue(param);
if (neighbourSourceDistance > biggestSourceDistance)
{
biggestSourceDistance = neighbourSourceDistance;
}
}
}
if (WorldData.GetBlockState(belowBlock) == BlockState.SOLID)
{
// check only side blocks
for (int i = 2; i < 6; i++)
{
BlockEventData blockUpdateEventData = neighbours[(BlockFace)i];
Chunk chunk = blockUpdateEventData.chunk;
BlockParameter param = new BlockParameter(blockUpdateEventData.LocalPosition, ParameterType.WATER_SOURCE_DISTANCE);
int index = Utils.BlockPosition3DtoIndex(blockUpdateEventData.LocalPosition);
BlockType type = chunk.blocks[index];
if (sourceDistance > 0)
{
if (type == BlockType.AIR || WorldData.GetBlockState(type) == BlockState.PLANTS)
{
chunk.AddParameterToList(param, (short)(sourceDistance - 1));
chunk.AddBlockToBuildList(new BlockData(BlockType.WATER, blockUpdateEventData.LocalPosition));
World.ScheduleUpdate(chunk, blockUpdateEventData.LocalPosition, 2);
}
if (type == BlockType.WATER)
{
// if neighbour block is WATER and neighbour sourceDistance is smaller, update neighbour sourceDistance
if (chunk.GetParameterValue(param) < sourceDistance - 1)
{
chunk.AddParameterToList(param, (short)(sourceDistance - 1));
chunk.AddBlockToBuildList(new BlockData(BlockType.WATER, blockUpdateEventData.LocalPosition));
}
}
}
}
}
// if block below is AIR or WATER or PLANTS, replace block with full WATER block
else if (belowBlock == BlockType.AIR || belowBlock == BlockType.WATER || WorldData.GetBlockState(belowBlock) == BlockState.PLANTS)
{
data.chunk.AddParameterToList(new BlockParameter(neighbours[BlockFace.BOTTOM].LocalPosition, ParameterType.WATER_SOURCE_DISTANCE), 8);
data.chunk.AddBlockToBuildList(new BlockData(BlockType.WATER, neighbours[BlockFace.BOTTOM].LocalPosition));
}
// if water is not full block, check if has neighbour with bigger SourceDistance
if (sourceDistance != 8 && biggestSourceDistance <= sourceDistance)
{
// if sourceDistance == 0, replace block with air
if (sourceDistance == 0)
{
data.chunk.ClearParameters(data.LocalPosition);
data.chunk.AddBlockToBuildList(new BlockData(BlockType.AIR, data.LocalPosition));
if (belowBlock == BlockType.WATER)
{
BlockEventData blockUpdateEventData = neighbours[BlockFace.BOTTOM];
data.chunk.AddParameterToList(new BlockParameter(blockUpdateEventData.LocalPosition, ParameterType.WATER_SOURCE_DISTANCE), (short)7);
World.ScheduleUpdate(blockUpdateEventData.chunk, blockUpdateEventData.LocalPosition, 1);
}
}
// else, decrease sourceDistance by 1
else
{
data.chunk.AddParameterToList(new BlockParameter(data.LocalPosition, ParameterType.WATER_SOURCE_DISTANCE), (short)(sourceDistance - 1));
data.chunk.AddBlockToBuildList(new BlockData(BlockType.WATER, data.LocalPosition));
}
}
}
