130 lines
4.8 KiB
Lua
130 lines
4.8 KiB
Lua
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-- TODO: town angeben
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minetest.register_tool( "random_buildings:griefing_tool",
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{
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description = "building modification liszence",
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groups = {},
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inventory_image = "default_tool_steelaxe.png", --TODO
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wield_image = "",
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wield_scale = {x=1,y=1,z=1},
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stack_max = 1, -- it has to store information - thus only one can be stacked
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liquids_pointable = true, -- it may be necessary to remove water sources
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-- TODO
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tool_capabilities = {
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full_punch_interval = 1.0,
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max_drop_level=0,
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groupcaps={
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-- For example:
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fleshy={times={[2]=0.80, [3]=0.40}, maxwear=0.05, maxlevel=1},
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snappy={times={[2]=0.80, [3]=0.40}, maxwear=0.05, maxlevel=1},
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choppy={times={[3]=0.90}, maxwear=0.05, maxlevel=0}
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}
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},
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node_placement_prediction = nil,
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metadata = minetest.serialize( {x=0,y=0,z=0,village='?',usages=5,owner='?'} ), -- information about the village for which this tool is valid
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-- give information about the liscense
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on_place = function(itemstack, placer, pointed_thing)
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local name = placer:get_player_name();
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local item = itemstack:to_table();
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local data = minetest.deserialize( item[ "metadata" ] or {});
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-- do not replace if there is nothing to be done
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if( not( data ) or not( data[ village ] )) then
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minetest.chat_send_player( name, "This building modification liscense is invalid! Please destroy it.");
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elseif( data.village ) then
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--minetest.chat_send_player( name, "Node already is '"..( item[ "metadata"] or "?" ).."'. Nothing to do.");
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minetest.chat_send_player( name, "This special building modification liscense, issued by the the village called "..tostring( data.village )..
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", located at "..minetest.pos_to_string( {x=data.x, y=data.y, z=data.z} )..", grants "..tostring( data.owner )..
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" the right to remove up to "..tostring( data.usages ).." blocks in said village.");
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elseif( data.general ) then
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minetest.chat_send_player( name, "This general building modification liscense grants "..tostring( data.owner )..
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" the right to remove up to "..tostring( data.usages ).." blocks of houses from lumberjacks or clay traders.");
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else
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minetest.chat_send_player( name, "Error: This building modification liscense is neither special nor general. Please destroy it.");
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end
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end,
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-- remove the protection on a node and dig it immediately
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on_use = function(itemstack, user, pointed_thing)
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if( user == nil or pointed_thing == nil) then
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return nil;
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end
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local name = user:get_player_name();
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if( pointed_thing.type ~= "node" ) then
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minetest.chat_send_player( name, " Error: No node.");
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return nil;
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end
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local pos = minetest.get_pointed_thing_position( pointed_thing, above );
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local node = minetest.env:get_node_or_nil( pos );
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if( node == nil ) then
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minetest.chat_send_player( name, "Error: Target node not yet loaded. Please wait a moment for the server to catch up.");
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return nil;
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end
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local item = itemstack:to_table();
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local data = minetest.deserialize( item[ "metadata" ] or {});
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local meta = minetest.env:get_meta( pos );
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if( not(meta) or not( data ) or (not( data[ village ] ) and not(data[general])) or not( data[ owner ])) then
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minetest.chat_send_player( name, "This building modification liscense is invalid! Please destroy it.");
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return nil;
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end
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local protection = random_buildings.is_protected( pos, node, digger, data );
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if( protection == 0) then
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minetest.chat_send_player( name, "Your building modification liscence is not needed here.");
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return nil;
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-- the node is protected - and this liscence allows to modifiy it
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elseif( protection == -1 ) then
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-- remember that this liscense has been used one more times
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data.usages = data.usages - 1;
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item[ 'metadata' ] = minetest.serialize( data );
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minetest.chat_send_player( name, 'Your building modification liscence allows you to modify this node. You can now dig it.');
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if( data.usages < 1 ) then
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-- TODO: destroy the liscence if it got used up
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end
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-- an error occoured or the liszcence is not valid here (random_buildings.is_protected already printed an error message)
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else
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return nil;
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end
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end,
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})
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-- mese wrapped in paper - the mese is the payment for the blocks the player will later take
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minetest.register_craft({
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output = 'random_buildings:griefing_tool',
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recipe = {
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{ 'default:paper' },
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{ 'default:mese' },
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}
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})
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