Initial commit

1 files changed, 71 insertions, 0 deletions

diff --git a/init.lua b/init.lua
new file mode 100644
index 0000000..587946e
--- /dev/null
+++ b/init.lua
@@ -0,0 +1,71 @@
+diglib = {}
+
+function diglib.calculate_dig_time(toolcaps, groups)
+	local best_time
+
+	for group, groupdef in pairs(toolcaps.groupcaps) do
+		local level = groups[group]
+
+		if level then
+			local tm = groupdef.times[level]
+
+			if tm and (not best_time or best_time > tm) then
+				best_time = tm
+			end
+		end
+	end
+
+	return best_time
+end
+
+function diglib.get_dig_time(pos)
+	local node = minetest.get_node_or_nil(pos)
+	local nodedef = node and minetest.get_node_def(node.name)
+	local groups = nodedef and nodedef.groups
+
+	if not groups then
+		return
+	end
+
+	local player = minetest.localplayer
+	local wielditem = player and player:get_wielded_item()
+	local toolcaps = wielditem and wielditem:get_tool_capabilities()
+	local tool_time = toolcaps and diglib.calculate_dig_time(toolcaps, groups)
+
+	local inv = minetest.get_inventory("current_player")
+	local hand = inv and inv.hand and inv.hand[1] or ItemStack("")
+	local hand_toolcaps = hand and hand:get_tool_capabilities()
+	local hand_time = hand_toolcaps and diglib.calculate_dig_time(hand_toolcaps, groups)
+
+	local tm = math.min(tool_time or math.huge, hand_time or math.huge)
+
+	if tm == math.huge then
+		return
+	end
+
+	return tm
+end
+
+diglib.dig_node = async(function(pos, max_time)
+	local tm = diglib.get_dig_time(pos)
+	if not tm or max_time and max_time > 0 and tm > max_time then
+		return
+	end
+
+	local debug_msgs = minetest.settings:get_bool("diglib_debug")
+
+	if debug_msgs then
+		print("start_digging", pos.x, pos.y, pos.z)
+	end
+	minetest.interact("start_digging", {type = "node", under = pos, above = pos})
+
+	if debug_msgs then
+		print("sleep", tm)
+	end
+	lua_async.sleep(tm * 1000)
+
+	if debug_msgs then
+		print("digging_completed", pos.x, pos.y, pos.z)
+	end
+	minetest.interact("digging_completed", {type = "node", under = pos, above = pos})
+end)