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worldedit.marker1 = {}
worldedit.marker2 = {}
worldedit.marker_region = {}
local init_sentinel = "new" .. tostring(math.random(99999))
--marks worldedit region position 1
worldedit.mark_pos1 = function(name, region_too)
local pos1, pos2 = worldedit.pos1[name], worldedit.pos2[name]
if worldedit.marker1[name] ~= nil then --marker already exists
worldedit.marker1[name]:remove() --remove marker
worldedit.marker1[name] = nil
end
if pos1 ~= nil then
--make area stay loaded
local manip = minetest.get_voxel_manip()
manip:read_from_map(pos1, pos1)
--add marker
worldedit.marker1[name] = minetest.add_entity(pos1, "worldedit:pos1", init_sentinel)
if worldedit.marker1[name] ~= nil then
worldedit.marker1[name]:get_luaentity().player_name = name
end
end
if region_too == nil or region_too then
worldedit.mark_region(name)
end
end
--marks worldedit region position 2
worldedit.mark_pos2 = function(name, region_too)
local pos1, pos2 = worldedit.pos1[name], worldedit.pos2[name]
if worldedit.marker2[name] ~= nil then --marker already exists
worldedit.marker2[name]:remove() --remove marker
worldedit.marker2[name] = nil
end
if pos2 ~= nil then
--make area stay loaded
local manip = minetest.get_voxel_manip()
manip:read_from_map(pos2, pos2)
--add marker
worldedit.marker2[name] = minetest.add_entity(pos2, "worldedit:pos2", init_sentinel)
if worldedit.marker2[name] ~= nil then
worldedit.marker2[name]:get_luaentity().player_name = name
end
end
if region_too == nil or region_too then
worldedit.mark_region(name)
end
end
worldedit.mark_region = function(name)
local pos1, pos2 = worldedit.pos1[name], worldedit.pos2[name]
if worldedit.marker_region[name] ~= nil then --marker already exists
for _, entity in ipairs(worldedit.marker_region[name]) do
entity:remove()
end
worldedit.marker_region[name] = nil
end
if pos1 ~= nil and pos2 ~= nil then
local pos1, pos2 = worldedit.sort_pos(pos1, pos2)
local vec = vector.subtract(pos2, pos1)
local maxside = math.max(vec.x, math.max(vec.y, vec.z))
local limit = tonumber(minetest.settings:get("active_object_send_range_blocks")) * 16
if maxside > limit * 1.5 then
-- The client likely won't be able to see the plane markers as intended anyway,
-- thus don't place them and also don't load the area into memory
return
end
local thickness = 0.2
local sizex, sizey, sizez = (1 + pos2.x - pos1.x) / 2, (1 + pos2.y - pos1.y) / 2, (1 + pos2.z - pos1.z) / 2
--make area stay loaded
local manip = minetest.get_voxel_manip()
manip:read_from_map(pos1, pos2)
local markers = {}
--XY plane markers
for _, z in ipairs({pos1.z - 0.5, pos2.z + 0.5}) do
local entpos = {x=pos1.x + sizex - 0.5, y=pos1.y + sizey - 0.5, z=z}
local marker = minetest.add_entity(entpos, "worldedit:region_cube", init_sentinel)
if marker ~= nil then
marker:set_properties({
visual_size={x=sizex * 2, y=sizey * 2},
collisionbox = {-sizex, -sizey, -thickness, sizex, sizey, thickness},
})
marker:get_luaentity().player_name = name
table.insert(markers, marker)
end
end
--YZ plane markers
for _, x in ipairs({pos1.x - 0.5, pos2.x + 0.5}) do
local entpos = {x=x, y=pos1.y + sizey - 0.5, z=pos1.z + sizez - 0.5}
local marker = minetest.add_entity(entpos, "worldedit:region_cube", init_sentinel)
if marker ~= nil then
marker:set_properties({
visual_size={x=sizez * 2, y=sizey * 2},
collisionbox = {-thickness, -sizey, -sizez, thickness, sizey, sizez},
})
marker:set_yaw(math.pi / 2)
marker:get_luaentity().player_name = name
table.insert(markers, marker)
end
end
worldedit.marker_region[name] = markers
end
end
--convenience function that calls everything
worldedit.marker_update = function(name)
worldedit.mark_pos1(name, false)
worldedit.mark_pos2(name, false)
worldedit.mark_region(name)
end
minetest.register_entity(":worldedit:pos1", {
initial_properties = {
visual = "cube",
visual_size = {x=1.1, y=1.1},
textures = {"worldedit_pos1.png", "worldedit_pos1.png",
"worldedit_pos1.png", "worldedit_pos1.png",
"worldedit_pos1.png", "worldedit_pos1.png"},
collisionbox = {-0.55, -0.55, -0.55, 0.55, 0.55, 0.55},
physical = false,
static_save = false,
},
on_activate = function(self, staticdata, dtime_s)
if staticdata ~= init_sentinel then
-- we were loaded from before static_save = false was added
self.object:remove()
end
end,
on_punch = function(self, hitter)
self.object:remove()
worldedit.marker1[self.player_name] = nil
end,
on_blast = function(self, damage)
return false, false, {} -- don't damage or knockback
end,
})
minetest.register_entity(":worldedit:pos2", {
initial_properties = {
visual = "cube",
visual_size = {x=1.1, y=1.1},
textures = {"worldedit_pos2.png", "worldedit_pos2.png",
"worldedit_pos2.png", "worldedit_pos2.png",
"worldedit_pos2.png", "worldedit_pos2.png"},
collisionbox = {-0.55, -0.55, -0.55, 0.55, 0.55, 0.55},
physical = false,
static_save = false,
},
on_activate = function(self, staticdata, dtime_s)
if staticdata ~= init_sentinel then
-- we were loaded from before static_save = false was added
self.object:remove()
end
end,
on_punch = function(self, hitter)
self.object:remove()
worldedit.marker2[self.player_name] = nil
end,
on_blast = function(self, damage)
return false, false, {} -- don't damage or knockback
end,
})
minetest.register_entity(":worldedit:region_cube", {
initial_properties = {
visual = "upright_sprite",
textures = {"worldedit_cube.png"},
visual_size = {x=10, y=10},
physical = false,
static_save = false,
},
on_activate = function(self, staticdata, dtime_s)
if staticdata ~= init_sentinel then
-- we were loaded from before static_save = false was added
self.object:remove()
end
end,
on_punch = function(self, hitter)
local markers = worldedit.marker_region[self.player_name]
if not markers then
return
end
for _, entity in ipairs(markers) do
entity:remove()
end
worldedit.marker_region[self.player_name] = nil
end,
on_blast = function(self, damage)
return false, false, {} -- don't damage or knockback
end,
})
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