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handle_schematics
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added option to remove a building without restoring a backup

master
Sokomine 2016-06-15 02:36:49 +02:00
parent 566a51f801
commit 475165af31
1 changed files with 49 additions and 4 deletions
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53
place_buildings.lua
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@ -641,7 +641,7 @@ end
--
-- replacement_list contains replacements in the same list format as place_schematic uses
--
handle_schematics.place_building_using_voxelmanip = function( pos, binfo, replacement_list)
handle_schematics.place_building_using_voxelmanip = function( pos, binfo, replacement_list, keep_ground)
if( not( replacement_list ) or type( replacement_list ) ~= 'table' ) then
return;
@ -700,7 +700,7 @@ handle_schematics.place_building_using_voxelmanip = function( pos, binfo, replac
local extra_calls = { on_constr = {}, trees = {}, chests = {}, signs = {}, traders = {}, door_a = {}, door_b = {} };
-- last parameter false -> place dirt nodes instead of trying to keep the ground nodes
generate_building(pos, minp, maxp, data, param2_data, a, extranodes, replacements, cid, extra_calls, pos.building_nr, pos.village_id, binfo, cid.c_gravel, false);
generate_building(pos, minp, maxp, data, param2_data, a, extranodes, replacements, cid, extra_calls, pos.building_nr, pos.village_id, binfo, cid.c_gravel, keep_ground);
-- store the changed map data
vm:set_data(data);
@ -718,7 +718,7 @@ end
-- places a building read from file "building_name" on the map between start_pos and end_pos using luavoxelmanip
-- returns error message on failure and nil on success
handle_schematics.place_building_from_file = function( start_pos, end_pos, building_name, replacement_list, rotate, axis, mirror, no_plotmarker )
handle_schematics.place_building_from_file = function( start_pos, end_pos, building_name, replacement_list, rotate, axis, mirror, no_plotmarker, keep_ground )
if( not( building_name )) then
return "No file name given. Cannot find the schematic.";
end
@ -768,7 +768,7 @@ handle_schematics.place_building_from_file = function( start_pos, end_pos, build
start_pos.no_plotmarker = no_plotmarker;
-- all those calls to on_construct need to be done now
local res = handle_schematics.place_building_using_voxelmanip( start_pos, binfo, replacement_list);
local res = handle_schematics.place_building_using_voxelmanip( start_pos, binfo, replacement_list, keep_ground);
if( not(res) or not( res.extra_calls )) then
return;
end
@ -864,6 +864,51 @@ handle_schematics.place_road = function(minp, maxp, data, param2_data, a, c_road
end
-- the node layer at height "ground_level" is not touched; thus
-- dirt/sand/whatever can remain there (=biome dependant); this
-- also means that the foundations for the ex-building's walls
-- will keep standing
handle_schematics.clear_area = function( start_pos, end_pos, ground_level)
local vm = minetest.get_voxel_manip()
local minp, maxp = vm:read_from_map(
{x = start_pos.x, y = start_pos.y, z = start_pos.z},
{x = end_pos.x, y = end_pos.y, z = end_pos.z}
)
local a = VoxelArea:new({MinEdge = minp, MaxEdge = maxp})
local data = vm:get_data()
if( ground_level < start_pos.y or ground_level > end_pos.y ) then
ground_level = start_pos.y;
end
local cid_air = minetest.get_content_id("air");
for y=ground_level+1, end_pos.y do
for x=start_pos.x, end_pos.x do
for z=start_pos.z, end_pos.z do
data[ a:index( x, y, z ) ] = cid_air;
end
end
end
local cid_dirt = minetest.get_content_id("default:dirt");
for y=start_pos.y, ground_level-1 do
for x=start_pos.x, end_pos.x do
for z=start_pos.z, end_pos.z do
data[ a:index( x, y, z ) ] = cid_dirt;
end
end
end
-- store the changed map data
vm:set_data(data);
vm:write_to_map();
vm:update_liquids();
vm:update_map();
end
if( minetest.get_modpath('moresnow' )) then
handle_schematics.moresnow_installed = true;
end