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https://github.com/pyrollo/display_modpack.git
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Fixed issue showing "Unknown objects" instead of display on Raspberry Pi
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commit
a3e0d36a68
@ -1,5 +1,5 @@
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# Display Modpack
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Version 1.2.1
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Version 1.2.2
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This modpack provides mods with dynamic display. Mods are :
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@ -28,6 +28,10 @@ Extra font mods can be found here:
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## Changelog
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### 2018-12-02 (Version 1.2.2)
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- Fixed a bug that prevented Display API from working on some systems (Raspberry Pi)
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### 2018-11-01 (Version 1.2.1)
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- Now font can be chosen per sign / stele
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@ -24,6 +24,9 @@ display_api = {}
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-- variable as spacing between entity and node
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display_api.entity_spacing = 0.002
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-- Maximum entity position relative to the node pos
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local max_entity_pos = 1.5
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-- Miscelaneous values depending on wallmounted param2
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local wallmounted_values = {
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[2]={dx=-1, dz=0, rx=0, rz=-1, yaw=-math.pi/2},
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@ -43,7 +46,7 @@ local facedir_values = {
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-- dx/dy = depth vector, rx/ly = right vector, yaw = yaw of entity,
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local function get_values(node)
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local ndef = minetest.registered_nodes[node.name]
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if ndef then
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local paramtype2 = ndef.paramtype2
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if paramtype2 == "wallmounted" or paramtype2 == "colorwallmounted" then
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@ -54,27 +57,18 @@ local function get_values(node)
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end
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end
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--- Checks if the object is related to the given position
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local function check_entity_pos(pos, objref)
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local real_pos = vector.round(objref:get_pos())
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local pos_hash = objref:get_luaentity().pos
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if pos_hash == nil then
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return vector.equals(real_pos, vector.round(pos))
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else
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return vector.equals(minetest.get_position_from_hash(pos_hash), pos)
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end
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end
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--- Gets the display entities attached with a node. Removes extra ones
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local function get_entities(pos)
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local objrefs = {}
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local ndef = minetest.registered_nodes[minetest.get_node(pos).name]
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if ndef and ndef.display_entities then
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for _, objref in ipairs(minetest.get_objects_inside_radius(pos, 1.5)) do
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for _, objref in
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ipairs(minetest.get_objects_inside_radius(pos, max_entity_pos)) do
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local entity = objref:get_luaentity()
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if entity and ndef.display_entities[entity.name] and check_entity_pos(pos, objref) then
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if entity and ndef.display_entities[entity.name] and
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entity.nodepos and vector.equals(pos, entity.nodepos) then
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if objrefs[entity.name] then
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objref:remove()
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objref:remove() -- Remove duplicates
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else
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objrefs[entity.name] = objref
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end
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@ -86,7 +80,7 @@ end
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local function clip_pos_prop(posprop)
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if posprop then
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return math.max(-1.5, math.min(1.5, posprop))
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return math.max(-max_entity_pos, math.min(max_entity_pos, posprop))
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else
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return 0
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end
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@ -98,43 +92,56 @@ local function place_entities(pos)
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local ndef = minetest.registered_nodes[node.name]
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local values = get_values(node)
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local objrefs = get_entities(pos)
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if values and ndef and ndef.display_entities then
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for entity_name, props in pairs(ndef.display_entities) do
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local depth = clip_pos_prop(props.depth)
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local right = clip_pos_prop(props.right)
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local top = clip_pos_prop(props.top)
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if not objrefs[entity_name] then
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objrefs[entity_name] = minetest.add_entity(pos, entity_name)
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objrefs[entity_name] = minetest.add_entity(pos, entity_name,
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minetest.serialize({ nodepos = pos }))
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end
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objrefs[entity_name]:setpos({
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x = pos.x - values.dx * depth + values.rx * right,
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y = pos.y - top,
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z = pos.z - values.dz * depth + values.rz * right})
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objrefs[entity_name]:setyaw(values.yaw)
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end
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end
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return objrefs
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end
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--- Call on_display_update callback of a node for one of its display entities
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local function call_node_on_display_update(pos, objref)
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local ndef = minetest.registered_nodes[minetest.get_node(pos).name]
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local entity = objref:get_luaentity()
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if ndef and ndef.display_entities and entity and ndef.display_entities[entity.name] then
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ndef.display_entities[entity.name].on_display_update(pos, objref)
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--- Entity update
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function update_entity(entity)
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if not entity then
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return
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end
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if not entity.nodepos then
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entity.object:remove() -- Remove old/buggy entity
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return
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end
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local node = minetest.get_node(entity.nodepos)
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local ndef = minetest.registered_nodes[node.name]
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if ndef and ndef.display_entities and
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ndef.display_entities[entity.name] and
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ndef.display_entities[entity.name].on_display_update
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then
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-- Call on_display_update callback of a node for one of its display entities
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ndef.display_entities[entity.name].on_display_update(entity.nodepos,
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entity.object)
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end
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end
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--- Force entity update
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function display_api.update_entities(pos)
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local objrefs = place_entities(pos)
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for _, objref in pairs(objrefs) do
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objref:get_luaentity().pos = minetest.hash_node_position(pos)
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call_node_on_display_update(pos, objref)
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for _, objref in pairs(place_entities(pos)) do
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update_entity(objref:get_luaentity())
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end
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end
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@ -143,38 +150,30 @@ end
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function display_api.on_activate(entity, staticdata)
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if entity then
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if string.sub(staticdata, 1, string.len("return")) == "return" then
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local data = core.deserialize(staticdata)
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local data = minetest.deserialize(staticdata)
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if data and type(data) == "table" then
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entity.pos = data.pos
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entity.nodepos = data.nodepos
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end
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entity.object:set_armor_groups({immortal=1})
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end
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entity.object:set_armor_groups({immortal=1})
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local pos
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if entity.pos then
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pos = minetest.get_position_from_hash(entity.pos)
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else
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pos = entity.object:getpos()
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end
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display_api.update_entities(pos)
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update_entity(entity)
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end
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end
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--- On_place callback for display_api items. Does nothing more than preventing item
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--- from being placed on ceiling or ground
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--- On_place callback for display_api items.
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-- Does nothing more than preventing node from being placed on ceiling or ground
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function display_api.on_place(itemstack, placer, pointed_thing, override_param2)
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local ndef = itemstack:get_definition()
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local above = pointed_thing.above
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local under = pointed_thing.under
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local dir = {x = under.x - above.x,
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y = 0,
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z = under.z - above.z}
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local dir = {x = under.x - above.x, y = 0, z = under.z - above.z}
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-- If item is not placed on a wall, use the player's view direction instead
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if dir.x == 0 and dir.z == 0 then
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dir = placer:get_look_dir()
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dir.y = 0
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end
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local param2 = 0
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if ndef then
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local paramtype2 = ndef.paramtype2
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@ -184,19 +183,20 @@ function display_api.on_place(itemstack, placer, pointed_thing, override_param2)
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param2 = minetest.dir_to_facedir(dir)
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end
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end
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return minetest.item_place(itemstack, placer, pointed_thing, param2 + (override_param2 or 0))
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return minetest.item_place(itemstack, placer, pointed_thing,
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param2 + (override_param2 or 0))
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end
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--- On_construct callback for display_api items. Creates entities and update them.
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--- On_construct callback for display_api items.
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-- Creates entities and update them.
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function display_api.on_construct(pos)
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display_api.update_entities(pos)
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end
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--- On_destruct callback for display_api items. Removes entities.
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--- On_destruct callback for display_api items.
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-- Removes entities.
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function display_api.on_destruct(pos)
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local objrefs = get_entities(pos)
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for _, objref in pairs(objrefs) do
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for _, objref in pairs(get_entities(pos)) do
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objref:remove()
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end
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end
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@ -222,9 +222,7 @@ function display_api.register_display_entity(entity_name)
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textures = {},
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on_activate = display_api.on_activate,
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get_staticdata = function(self)
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return minetest.serialize({
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pos = self.pos,
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})
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return minetest.serialize({ nodepos = self.nodepos })
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end,
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})
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end
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