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added way to replace missing building constructors

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This commit is contained in:
Sokomine 2017-05-03 19:57:13 +02:00
parent 7415183bc6
commit c3cb58c460
2 changed files with 36 additions and 0 deletions
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9
citybuilder_api.lua
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@ -42,6 +42,15 @@ citybuilder.city_get_anz_buildings = function( city_id )
end
citybuilder.city_get_building_at = function( pos )
local building_id = minetest.pos_to_string( pos );
for city_id,v in pairs( citybuilder.cities ) do
if( v.buildings[ building_id ] ) then
return citybuilder.cities[ city_id ].buildings[ building_id ];
end
end
end
-- helper function; returns true if pos is located inside the volume spanned by p1 and p2
citybuilder.pos_is_inside = function( pos, p1, p2 )
return (pos.x >= math.min(p1.x,p2.x) and pos.x <= math.max(p1.x,p2.x)

27
citybuilder_constructor.lua
View File

@ -143,6 +143,33 @@ citybuilder.constructor_on_place = function( itemstack, placer, pointed_thing, m
tostring( data.city_center_pos )..". It cannot be used anymore.");
return itemstack;
end
-- the data structure might believe that there is a configured constructor here, but it might
-- have been removed by other means (WorldEdit etc.) in the meantime
local existing_building = citybuilder.city_get_building_at( pos );
if( existing_building) then
local meta = minetest.get_meta( pos );
-- place this node
minetest.set_node( pos, {name="citybuilder:constructor", param2=existing_building.param2});
-- set metadata according to what we have stored
meta:set_string( 'owner', existing_building.owner);
meta:set_string( 'building_name', citybuilder.mts_path..existing_building.building_name);
meta:set_string( 'city_center_pos', existing_building.city_center_pos );
meta:set_string( 'wood', existing_building.wood );
meta:set_string( 'mirror', existing_building.mirror );
meta:set_string( 'rotate', existing_building.rotate );
meta:set_string( 'start_pos', minetest.serialize(existing_building.start_pos ));
meta:set_string( 'end_pos', minetest.serialize(existing_building.end_pos ));
-- tell the player
minetest.chat_send_player( pname, "The constructor here had gone missing. It has been replaced.");
-- show the formspec
local formspec = citybuilder.constructor_update( pos, placer, meta, nil, nil );
minetest.show_formspec( pname, "citybuilder:constructor", formspec );
-- do not consume this constructor as we are just replacing a missing one
return itemstack;
end
local city_data = citybuilder.cities[ data.city_center_pos ];
-- buildings have to be withhin a reasonable distance of the city administration desk