minecraft-snuvi-scripts/system/timber.txt

//event.load("block_break");
event.load("block_click");

prop_persistent = block.getProperty("persistent");
tag_log_burn = block.getTag("logs_that_burn");

@wait
wait();
if(event == "block_click") {
	if(player.getName(player) == "marvinius") {
		if(block.isTree(block_loc)) {
			block.removeTree(block_loc);
		}
	}
}
if(event == "block_break") {
	if(block.isTree(block_loc)) {
		tree_locs = block.removeTree(block_loc);
	}
}
goto("wait");

function block.isTree(break_loc) {
	block = block.get(break_loc);
	if(!block.hasTag($tag_log_burn, block)) {
		return false;
	}
	block_type = block.getType(break_loc);
	//neighbours on same level found? return false
	mod_loc = loc.mod(break_loc, 1, 0, 0);
	if(block.getType(mod_loc) == block_type) {
		return false;
	}
	loc.add(mod_loc, -2, 0, 0);
	if(block.getType(mod_loc) == block_type) {
		return false;
	}
	loc.add(mod_loc, 1, 0, 1);
	if(block.getType(mod_loc) == block_type) {
		return false;
	}
	loc.add(mod_loc, 0, 0, -2);
	if(block.getType(mod_loc) == block_type) {
		return false;
	}
	loc.add(mod_loc, 0, 0, 1);
	//search top logs
	while(block.getType(mod_loc) == block_type) {
		loc.add(mod_loc, 0, 1, 0);
	}
	state = block.getState(mod_loc, $prop_persistent);
	if(state == null || state) {
		return false;
	}
	leave_type = "minecraft:birch_leaves";
	return true;
}

function block.removeTree(break_loc) {
	c = 0;
	list = list.new();
	list2 = list.new();
	set = set.new();
	block_type = block.getType(break_loc);
	list.add(list, break_loc);
	list.add(list2, break_loc);
	while(list.getSize(list) != 0) {
		index = list.getSize(list) - 1;
		loc = list.getIndex(list, index);
		mod_loc = loc.mod(loc, 1, 0, 0);
		if(block.isTreePart(set, mod_loc, block_type)) {
			block.addTreePart(list, list2, set, mod_loc);
		}
		loc.add(mod_loc, -2, 0, 0);
		if(block.isTreePart(set, mod_loc, block_type)) {
			block.addTreePart(list, list2, set, mod_loc);
		}
		loc.add(mod_loc, 1, 0, 1);
		if(block.isTreePart(set, mod_loc, block_type)) {
			block.addTreePart(list, list2, set, mod_loc);
		}
		loc.add(mod_loc, 0, 0, -2);
		if(block.isTreePart(set, mod_loc, block_type)) {
			block.addTreePart(list, list2, set, mod_loc);
		}
		loc.add(mod_loc, 0, 1, 1);
		if(block.isTreePart(set, mod_loc, block_type)) {
			block.addTreePart(list, list2, set, mod_loc);
		}
		list.removeIndex(list, index);
		c++;
		if(c > 60) {
			msg("dev", "break");
			break;
		}
	}
	msg("dev", c, " ", set.getSize(set), " ", list.getSize(list2));
	return;
}

function block.isTreePart(set, location, tree_type) {
	if(block.getType(location) == tree_type) {
		return true;
	}
	state = block.getState(location, $prop_persistent);
	if(state != null && !	state) {
		return true;
	}
	set.add(set, location);
	return false;
}

function block.addTreePart(list, list2, set, location) {
	//if(!set.contains(set, location)) {
		list.add(list, location);
		list.add(list2, location);
		set.add(set, location);
		block.set(location, "minecraft:glass");
	//}
}