mirror of
https://github.com/pyrollo/display_modpack.git
synced 2024-12-12 16:03:14 +01:00
Atempt to fix "unknown object" issue + code rework
This commit is contained in:
parent
e7856f70a7
commit
9ca3474360
106
init.lua
106
init.lua
@ -24,6 +24,9 @@ display_api = {}
|
||||
-- variable as spacing between entity and node
|
||||
display_api.entity_spacing = 0.002
|
||||
|
||||
-- Maximum entity position relative to the node pos
|
||||
local max_entity_pos = 1.5
|
||||
|
||||
-- Miscelaneous values depending on wallmounted param2
|
||||
local wallmounted_values = {
|
||||
[2]={dx=-1, dz=0, rx=0, rz=-1, yaw=-math.pi/2},
|
||||
@ -43,7 +46,7 @@ local facedir_values = {
|
||||
-- dx/dy = depth vector, rx/ly = right vector, yaw = yaw of entity,
|
||||
local function get_values(node)
|
||||
local ndef = minetest.registered_nodes[node.name]
|
||||
|
||||
|
||||
if ndef then
|
||||
local paramtype2 = ndef.paramtype2
|
||||
if paramtype2 == "wallmounted" or paramtype2 == "colorwallmounted" then
|
||||
@ -54,27 +57,18 @@ local function get_values(node)
|
||||
end
|
||||
end
|
||||
|
||||
--- Checks if the object is related to the given position
|
||||
local function check_entity_pos(pos, objref)
|
||||
local real_pos = vector.round(objref:get_pos())
|
||||
local pos_hash = objref:get_luaentity().pos
|
||||
if pos_hash == nil then
|
||||
return vector.equals(real_pos, vector.round(pos))
|
||||
else
|
||||
return vector.equals(minetest.get_position_from_hash(pos_hash), pos)
|
||||
end
|
||||
end
|
||||
|
||||
--- Gets the display entities attached with a node. Removes extra ones
|
||||
local function get_entities(pos)
|
||||
local objrefs = {}
|
||||
local ndef = minetest.registered_nodes[minetest.get_node(pos).name]
|
||||
if ndef and ndef.display_entities then
|
||||
for _, objref in ipairs(minetest.get_objects_inside_radius(pos, 1.5)) do
|
||||
for _, objref in
|
||||
ipairs(minetest.get_objects_inside_radius(pos, max_entity_pos)) do
|
||||
local entity = objref:get_luaentity()
|
||||
if entity and ndef.display_entities[entity.name] and check_entity_pos(pos, objref) then
|
||||
if entity and ndef.display_entities[entity.name] and
|
||||
entity.nodepos and vector.equals(pos, entity.nodepos) then
|
||||
if objrefs[entity.name] then
|
||||
objref:remove()
|
||||
objref:remove() -- Remove duplicates
|
||||
else
|
||||
objrefs[entity.name] = objref
|
||||
end
|
||||
@ -86,7 +80,7 @@ end
|
||||
|
||||
local function clip_pos_prop(posprop)
|
||||
if posprop then
|
||||
return math.max(-1.5, math.min(1.5, posprop))
|
||||
return math.max(-max_entity_pos, math.min(max_entity_pos, posprop))
|
||||
else
|
||||
return 0
|
||||
end
|
||||
@ -98,43 +92,52 @@ local function place_entities(pos)
|
||||
local ndef = minetest.registered_nodes[node.name]
|
||||
local values = get_values(node)
|
||||
local objrefs = get_entities(pos)
|
||||
|
||||
|
||||
if values and ndef and ndef.display_entities then
|
||||
|
||||
for entity_name, props in pairs(ndef.display_entities) do
|
||||
local depth = clip_pos_prop(props.depth)
|
||||
local right = clip_pos_prop(props.right)
|
||||
local top = clip_pos_prop(props.top)
|
||||
if not objrefs[entity_name] then
|
||||
objrefs[entity_name] = minetest.add_entity(pos, entity_name)
|
||||
objrefs[entity_name] = minetest.add_entity(pos, entity_name,
|
||||
minetest.serialize({ nodepos = pos }))
|
||||
end
|
||||
|
||||
|
||||
objrefs[entity_name]:setpos({
|
||||
x = pos.x - values.dx * depth + values.rx * right,
|
||||
y = pos.y - top,
|
||||
z = pos.z - values.dz * depth + values.rz * right})
|
||||
|
||||
|
||||
objrefs[entity_name]:setyaw(values.yaw)
|
||||
end
|
||||
end
|
||||
return objrefs
|
||||
end
|
||||
|
||||
--- Call on_display_update callback of a node for one of its display entities
|
||||
local function call_node_on_display_update(pos, objref)
|
||||
local ndef = minetest.registered_nodes[minetest.get_node(pos).name]
|
||||
local entity = objref:get_luaentity()
|
||||
if ndef and ndef.display_entities and entity and ndef.display_entities[entity.name] then
|
||||
ndef.display_entities[entity.name].on_display_update(pos, objref)
|
||||
|
||||
--- Entity update
|
||||
function update_entity(entity)
|
||||
if not entity.nodepos then
|
||||
entity.object:remove() -- Remove old/buggy entity
|
||||
return
|
||||
end
|
||||
|
||||
local node = minetest.get_node(entity.nodepos)
|
||||
local ndef = minetest.registered_nodes[node.name]
|
||||
if ndef and ndef.display_entities and
|
||||
ndef.display_entities[entity.name] and
|
||||
ndef.display_entities[entity.name].on_display_update
|
||||
then
|
||||
-- Call on_display_update callback of a node for one of its display entities
|
||||
ndef.display_entities[entity.name].on_display_update(entity.nodepos,
|
||||
entity.object)
|
||||
end
|
||||
end
|
||||
|
||||
--- Force entity update
|
||||
function display_api.update_entities(pos)
|
||||
local objrefs = place_entities(pos)
|
||||
for _, objref in pairs(objrefs) do
|
||||
objref:get_luaentity().pos = minetest.hash_node_position(pos)
|
||||
call_node_on_display_update(pos, objref)
|
||||
for _, objref in pairs(place_entities(pos)) do
|
||||
update_entity(objref:get_luaentity())
|
||||
end
|
||||
end
|
||||
|
||||
@ -145,36 +148,28 @@ function display_api.on_activate(entity, staticdata)
|
||||
if string.sub(staticdata, 1, string.len("return")) == "return" then
|
||||
local data = core.deserialize(staticdata)
|
||||
if data and type(data) == "table" then
|
||||
entity.pos = data.pos
|
||||
entity.nodepos = data.nodepos
|
||||
end
|
||||
entity.object:set_armor_groups({immortal=1})
|
||||
end
|
||||
entity.object:set_armor_groups({immortal=1})
|
||||
local pos
|
||||
if entity.pos then
|
||||
pos = minetest.get_position_from_hash(entity.pos)
|
||||
else
|
||||
pos = entity.object:getpos()
|
||||
end
|
||||
display_api.update_entities(pos)
|
||||
update_entity(entity)
|
||||
end
|
||||
end
|
||||
|
||||
--- On_place callback for display_api items. Does nothing more than preventing item
|
||||
--- from being placed on ceiling or ground
|
||||
--- On_place callback for display_api items.
|
||||
-- Does nothing more than preventing node from being placed on ceiling or ground
|
||||
function display_api.on_place(itemstack, placer, pointed_thing, override_param2)
|
||||
local ndef = itemstack:get_definition()
|
||||
local above = pointed_thing.above
|
||||
local under = pointed_thing.under
|
||||
local dir = {x = under.x - above.x,
|
||||
y = 0,
|
||||
z = under.z - above.z}
|
||||
|
||||
local dir = {x = under.x - above.x, y = 0, z = under.z - above.z}
|
||||
|
||||
-- If item is not placed on a wall, use the player's view direction instead
|
||||
if dir.x == 0 and dir.z == 0 then
|
||||
dir = placer:get_look_dir()
|
||||
dir.y = 0
|
||||
end
|
||||
|
||||
|
||||
local param2 = 0
|
||||
if ndef then
|
||||
local paramtype2 = ndef.paramtype2
|
||||
@ -184,19 +179,20 @@ function display_api.on_place(itemstack, placer, pointed_thing, override_param2)
|
||||
param2 = minetest.dir_to_facedir(dir)
|
||||
end
|
||||
end
|
||||
return minetest.item_place(itemstack, placer, pointed_thing, param2 + (override_param2 or 0))
|
||||
return minetest.item_place(itemstack, placer, pointed_thing,
|
||||
param2 + (override_param2 or 0))
|
||||
end
|
||||
|
||||
--- On_construct callback for display_api items. Creates entities and update them.
|
||||
--- On_construct callback for display_api items.
|
||||
-- Creates entities and update them.
|
||||
function display_api.on_construct(pos)
|
||||
display_api.update_entities(pos)
|
||||
end
|
||||
|
||||
--- On_destruct callback for display_api items. Removes entities.
|
||||
--- On_destruct callback for display_api items.
|
||||
-- Removes entities.
|
||||
function display_api.on_destruct(pos)
|
||||
local objrefs = get_entities(pos)
|
||||
|
||||
for _, objref in pairs(objrefs) do
|
||||
for _, objref in pairs(get_entities(pos)) do
|
||||
objref:remove()
|
||||
end
|
||||
end
|
||||
@ -222,9 +218,7 @@ function display_api.register_display_entity(entity_name)
|
||||
textures = {},
|
||||
on_activate = display_api.on_activate,
|
||||
get_staticdata = function(self)
|
||||
return minetest.serialize({
|
||||
pos = self.pos,
|
||||
})
|
||||
return minetest.serialize({ nodepos = self.nodepos })
|
||||
end,
|
||||
})
|
||||
end
|
||||
|
Loading…
Reference in New Issue
Block a user