BuckarooBanzay/building_lib
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pos iter cleanup

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BuckarooBanzay 2022-11-08 08:27:19 +01:00
parent 4ca4785744
commit bc810a40f1
1 changed files with 35 additions and 40 deletions
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75
build.lua
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@ -97,30 +97,31 @@ function building_lib.can_build(mapblock_pos, building_name, rotation)
return false, message or "size check '" .. building_def.placement .. "' failed"
end
for x=mapblock_pos.x, mapblock_pos.x+size.x-1 do
for z=mapblock_pos.z, mapblock_pos.z+size.z-1 do
for y=mapblock_pos.y, mapblock_pos.y+size.y-1 do
local offset_mapblock_pos = {x=x, y=y, z=z}
local is_free = check_free(offset_mapblock_pos)
if not is_free then
return false, "Space already occupied at " .. minetest.pos_to_string(offset_mapblock_pos)
end
local it = mapblock_lib.pos_iterator(mapblock_pos, vector.add(mapblock_pos, vector.subtract(size, 1)))
while true do
local offset_mapblock_pos = it()
if not offset_mapblock_pos then
break
end
local success
if y == mapblock_pos.y then
-- check ground conditions
success, message = building_lib.check_conditions(offset_mapblock_pos, building_def.ground_conditions, building_def)
if not success then
return false, message
end
end
local is_free = check_free(offset_mapblock_pos)
if not is_free then
return false, "Space already occupied at " .. minetest.pos_to_string(offset_mapblock_pos)
end
success, message = building_lib.check_conditions(offset_mapblock_pos, building_def.conditions, building_def)
if not success then
return false, message
end
local success
if offset_mapblock_pos.y == mapblock_pos.y then
-- check ground conditions
success, message = building_lib.check_conditions(offset_mapblock_pos, building_def.ground_conditions, building_def)
if not success then
return false, message
end
end
success, message = building_lib.check_conditions(offset_mapblock_pos, building_def.conditions, building_def)
if not success then
return false, message
end
end
-- all checks ok
@ -146,27 +147,21 @@ function building_lib.do_build(mapblock_pos, building_name, rotation, callback)
local size = placement.get_size(placement, mapblock_pos, building_def, rotation)
-- write new data
for x=mapblock_pos.x,mapblock_pos.x+size.x-1 do
for y=mapblock_pos.y,mapblock_pos.y+size.y-1 do
for z=mapblock_pos.z,mapblock_pos.z+size.z-1 do
local offset_mapblock_pos = {x=x, y=y, z=z}
if vector.equals(offset_mapblock_pos, mapblock_pos) then
-- origin
building_lib.store:merge(offset_mapblock_pos, {
building = {
name = building_def.name,
size = size,
rotation = rotation
}
})
else
-- link to origin
building_lib.store:merge(offset_mapblock_pos, mapblock_lib.create_data_link(mapblock_pos))
end
end
mapblock_lib.for_each(mapblock_pos, vector.add(mapblock_pos, vector.subtract(size, 1)), function(offset_mapblock_pos)
if vector.equals(offset_mapblock_pos, mapblock_pos) then
-- origin
building_lib.store:merge(offset_mapblock_pos, {
building = {
name = building_def.name,
size = size,
rotation = rotation
}
})
else
-- link to origin
building_lib.store:merge(offset_mapblock_pos, mapblock_lib.create_data_link(mapblock_pos))
end
end
end)
placement.place(placement, mapblock_pos, building_def, rotation, callback)