MineClone5/mods/ITEMS/REDSTONE/mesecons_mvps/init.lua

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--register stoppers for movestones/pistons
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mesecon.mvps_stoppers = {}
mesecon.mvps_unsticky = {}
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mesecon.mvps_droppers = {}
mesecon.on_mvps_move = {}
mesecon.mvps_unmov = {}
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--- Objects (entities) that cannot be moved
function mesecon.register_mvps_unmov(objectname)
mesecon.mvps_unmov[objectname] = true;
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end
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function mesecon.is_mvps_unmov(objectname)
return mesecon.mvps_unmov[objectname]
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end
function mesecon.is_mvps_dropper(node, pushdir, stack, stackid)
local get_dropper = mesecon.mvps_droppers[node.name]
if type (get_dropper) == "function" then
get_dropper = get_dropper(node, pushdir, stack, stackid)
end
if not get_dropper then
get_dropper = minetest.get_item_group(node.name, "dig_by_piston") == 1
end
return get_dropper
end
function mesecon.register_mvps_dropper(nodename, get_dropper)
if get_dropper == nil then
get_dropper = true
end
mesecon.mvps_droppers[nodename] = get_dropper
end
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-- Nodes that cannot be pushed / pulled by movestones, pistons
function mesecon.is_mvps_stopper(node, pushdir, stack, stackid)
-- unknown nodes are always stoppers
if not minetest.registered_nodes[node.name] then
return true
end
local get_stopper = mesecon.mvps_stoppers[node.name]
if type (get_stopper) == "function" then
get_stopper = get_stopper(node, pushdir, stack, stackid)
end
return get_stopper
end
function mesecon.register_mvps_stopper(nodename, get_stopper)
if get_stopper == nil then
get_stopper = true
end
mesecon.mvps_stoppers[nodename] = get_stopper
end
-- For nodes which ignore sticky sides.
-- They can't be pulled by sticky pistons and don't interact with slime blocks.
-- TODO: This has NOT any actual effect so far. The actual functionality
-- still needs to be implemented.
function mesecon.register_mvps_unsticky(nodename, get_unsticky)
if get_unsticky == nil then
get_unsticky = true
end
mesecon.mvps_unsticky[nodename] = get_unsticky
end
function mesecon.is_mvps_unsticky(node, pulldir, stack, stackid)
-- unknown nodes are always unsticky
if not minetest.registered_nodes[node.name] then
return true
end
local get_unsticky = mesecon.mvps_unsticky[node.name]
if type(get_unsticky) == "function" then
get_unsticky = get_unsticky(node, pulldir, stack, stackid)
end
if get_unsticky == nil then
get_unsticky = false
end
return get_unsticky
end
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-- Functions to be called on mvps movement
function mesecon.register_on_mvps_move(callback)
mesecon.on_mvps_move[#mesecon.on_mvps_move+1] = callback
end
local function on_mvps_move(moved_nodes)
for _, callback in ipairs(mesecon.on_mvps_move) do
callback(moved_nodes)
end
end
function mesecon.mvps_process_stack(stack)
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-- update mesecons for placed nodes ( has to be done after all nodes have been added )
for _, n in ipairs(stack) do
mesecon.on_placenode(n.pos, minetest.get_node(n.pos))
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end
end
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-- tests if the node can be pushed into, e.g. air, water, grass
local function node_replaceable(name)
if name == "ignore" then return true end
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if minetest.registered_nodes[name] then
return minetest.registered_nodes[name].buildable_to or false
end
return false
end
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function mesecon.mvps_get_stack(pos, dir, maximum, all_pull_sticky)
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-- determine the number of nodes to be pushed
local nodes = {}
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local frontiers = {pos}
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while #frontiers > 0 do
local np = frontiers[1]
local nn = minetest.get_node(np)
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if not node_replaceable(nn.name) then
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table.insert(nodes, {node = nn, pos = np})
if #nodes > maximum then return nil end
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-- add connected nodes to frontiers, connected is a vector list
-- the vectors must be absolute positions
local connected = {}
if minetest.registered_nodes[nn.name]
and minetest.registered_nodes[nn.name].mvps_sticky then
connected = minetest.registered_nodes[nn.name].mvps_sticky(np, nn)
end
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table.insert(connected, vector.add(np, dir))
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-- If adjacent node is sticky block and connects add that
-- position to the connected table
for _, r in ipairs(mesecon.rules.alldirs) do
local adjpos = vector.add(np, r)
local adjnode = minetest.get_node(adjpos)
if minetest.registered_nodes[adjnode.name]
and minetest.registered_nodes[adjnode.name].mvps_sticky then
local sticksto = minetest.registered_nodes[adjnode.name]
.mvps_sticky(adjpos, adjnode)
-- connects to this position?
for _, link in ipairs(sticksto) do
if vector.equals(link, np) then
table.insert(connected, adjpos)
end
end
end
end
if all_pull_sticky then
table.insert(connected, vector.subtract(np, dir))
end
-- Make sure there are no duplicates in frontiers / nodes before
-- adding nodes in "connected" to frontiers
for _, cp in ipairs(connected) do
local duplicate = false
for _, rp in ipairs(nodes) do
if vector.equals(cp, rp.pos) then
duplicate = true
end
end
for _, fp in ipairs(frontiers) do
if vector.equals(cp, fp) then
duplicate = true
end
end
if not duplicate then
table.insert(frontiers, cp)
end
end
end
table.remove(frontiers, 1)
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end
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return nodes
end
function mesecon.mvps_push(pos, dir, maximum)
return mesecon.mvps_push_or_pull(pos, dir, dir, maximum, nil, false)
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end
function mesecon.mvps_pull_all(pos, dir, maximum)
return mesecon.mvps_push_or_pull(pos, vector.multiply(dir, -1), dir, maximum, true, true)
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end
function mesecon.mvps_pull_single(pos, dir, maximum)
return mesecon.mvps_push_or_pull(pos, vector.multiply(dir, -1), dir, maximum, nil, true)
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end
-- pos: pos of mvps; stackdir: direction of building the stack
-- movedir: direction of actual movement
-- maximum: maximum nodes to be pushed
-- all_pull_sticky: All nodes are sticky in the direction that they are pulled from
function mesecon.mvps_push_or_pull(pos, stackdir, movedir, maximum, all_pull_sticky)
local nodes = mesecon.mvps_get_stack(pos, movedir, maximum, all_pull_sticky)
if not nodes then return end
-- determine if one of the nodes blocks the push / pull
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for id, n in ipairs(nodes) do
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if mesecon.is_mvps_stopper(n.node, movedir, nodes, id) then
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return
end
end
local first_dropper = nil
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-- remove all nodes
for id, n in ipairs(nodes) do
n.meta = minetest.get_meta(n.pos):to_table()
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local is_dropper = mesecon.is_mvps_dropper(n.node, movedir, nodes, id)
if is_dropper then
local drops = minetest.get_node_drops(n.node.name, "")
minetest.dig_node(n.pos)
else
minetest.remove_node(n.pos)
end
if is_dropper then
first_dropper = id
break
end
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end
-- update mesecons for removed nodes ( has to be done after all nodes have been removed )
for id, n in ipairs(nodes) do
if first_dropper and id >= first_dropper then
break
end
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mesecon.on_dignode(n.pos, n.node)
end
-- add nodes
for id, n in ipairs(nodes) do
if first_dropper and id >= first_dropper then
break
end
local np = vector.add(n.pos, movedir)
minetest.add_node(np, n.node)
minetest.get_meta(np):from_table(n.meta)
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end
for i in ipairs(nodes) do
if first_dropper and i >= first_dropper then
break
end
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nodes[i].pos = vector.add(nodes[i].pos, movedir)
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end
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local moved_nodes = {}
local oldstack = mesecon.tablecopy(nodes)
for i in ipairs(nodes) do
if first_dropper and i >= first_dropper then
break
end
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moved_nodes[i] = {}
moved_nodes[i].oldpos = nodes[i].pos
nodes[i].pos = vector.add(nodes[i].pos, movedir)
moved_nodes[i].pos = nodes[i].pos
moved_nodes[i].node = nodes[i].node
moved_nodes[i].meta = nodes[i].meta
end
on_mvps_move(moved_nodes)
return true, nodes, oldstack
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end
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mesecon.register_on_mvps_move(function(moved_nodes)
for _, n in ipairs(moved_nodes) do
mesecon.on_placenode(n.pos, n.node)
end
end)
function mesecon.mvps_move_objects(pos, dir, nodestack)
local objects_to_move = {}
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-- Move object at tip of stack, pushpos is position at tip of stack
local pushpos = vector.add(pos, vector.multiply(dir, #nodestack))
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local objects = minetest.get_objects_inside_radius(pushpos, 1)
for _, obj in ipairs(objects) do
table.insert(objects_to_move, obj)
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end
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-- Move objects lying/standing on the stack (before it was pushed - oldstack)
if tonumber(minetest.setting_get("movement_gravity")) > 0 and dir.y == 0 then
-- If gravity positive and dir horizontal, push players standing on the stack
for _, n in ipairs(nodestack) do
local p_above = vector.add(n.pos, {x=0, y=1, z=0})
local objects = minetest.get_objects_inside_radius(p_above, 1)
for _, obj in ipairs(objects) do
table.insert(objects_to_move, obj)
end
end
end
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for _, obj in ipairs(objects_to_move) do
local entity = obj:get_luaentity()
if not entity or not mesecon.is_mvps_unmov(entity.name) then
local np = vector.add(obj:getpos(), dir)
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--move only if destination is not solid
local nn = minetest.get_node(np)
if not ((not minetest.registered_nodes[nn.name])
or minetest.registered_nodes[nn.name].walkable) then
obj:setpos(np)
end
end
end
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end
mesecon.register_mvps_stopper("mcl_core:obsidian")
mesecon.register_mvps_stopper("mcl_core:bedrock")
mesecon.register_mvps_stopper("mcl_core:barrier")
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mesecon.register_mvps_stopper("mcl_core:realm_barrier")
mesecon.register_mvps_stopper("mcl_core:void")
mesecon.register_mvps_stopper("mcl_chests:chest")
mesecon.register_mvps_stopper("mcl_chests:chest_left")
mesecon.register_mvps_stopper("mcl_chests:chest_right")
mesecon.register_mvps_stopper("mcl_chests:trapped_chest")
mesecon.register_mvps_stopper("mcl_chests:trapped_chest_left")
mesecon.register_mvps_stopper("mcl_chests:trapped_chest_right")
mesecon.register_mvps_stopper("mcl_chests:trapped_chest_on")
mesecon.register_mvps_stopper("mcl_chests:trapped_chest_on_left")
mesecon.register_mvps_stopper("mcl_chests:trapped_chest_on_right")
mesecon.register_mvps_stopper("mcl_chests:ender_chest")
mesecon.register_mvps_stopper("mcl_furnaces:furnace")
mesecon.register_mvps_stopper("mcl_furnaces:furnace_active")
mesecon.register_mvps_stopper("mcl_hoppers:hopper")
mesecon.register_mvps_stopper("mcl_hoppers:hopper_side")
mesecon.register_mvps_stopper("mcl_droppers:dropper")
mesecon.register_mvps_stopper("mcl_droppers:dropper_up")
mesecon.register_mvps_stopper("mcl_droppers:dropper_down")
mesecon.register_mvps_stopper("mcl_dispensers:dispenser")
mesecon.register_mvps_stopper("mcl_dispensers:dispenser_up")
mesecon.register_mvps_stopper("mcl_dispensers:dispenser_down")
mesecon.register_mvps_stopper("mcl_anvils:anvil")
mesecon.register_mvps_stopper("mcl_anvils:anvil_damage_1")
mesecon.register_mvps_stopper("mcl_anvils:anvil_damage_2")
mesecon.register_mvps_stopper("mcl_jukebox:jukebox")
mesecon.register_mvps_stopper("mcl_mobspawners:spawner")
mesecon.register_mvps_stopper("mcl_signs:standing_sign")
mesecon.register_mvps_stopper("mcl_signs:wall_sign")
mesecon.register_mvps_stopper("mesecons_commandblock:commandblock_off")
mesecon.register_mvps_stopper("mesecons_commandblock:commandblock_on")
mesecon.register_mvps_stopper("mesecons_solarpanel:solar_panel_off")
mesecon.register_mvps_stopper("mesecons_solarpanel:solar_panel_on")
mesecon.register_mvps_stopper("mesecons_solarpanel:solar_panel_inverted_off")
mesecon.register_mvps_stopper("mesecons_solarpanel:solar_panel_inverted_on")
mesecon.register_mvps_stopper("mesecons_noteblock:noteblock")
mesecon.register_mvps_stopper("3d_armor_stand:armor_stand")
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mesecon.register_mvps_stopper("mcl_banners:standing_banner")
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mesecon.register_mvps_stopper("mcl_banners:hanging_banner")
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mesecon.register_mvps_stopper("mcl_portals:portal")
mesecon.register_mvps_stopper("mcl_portals:portal_end")
mesecon.register_mvps_stopper("mcl_portals:end_portal_frame")
mesecon.register_mvps_stopper("mcl_portals:end_portal_frame_eye")
mesecon.register_mvps_unsticky("mcl_colorblocks:glazed_terracotta_red")
mesecon.register_mvps_unsticky("mcl_colorblocks:glazed_terracotta_orange")
mesecon.register_mvps_unsticky("mcl_colorblocks:glazed_terracotta_yellow")
mesecon.register_mvps_unsticky("mcl_colorblocks:glazed_terracotta_green")
mesecon.register_mvps_unsticky("mcl_colorblocks:glazed_terracotta_lime")
mesecon.register_mvps_unsticky("mcl_colorblocks:glazed_terracotta_purple")
mesecon.register_mvps_unsticky("mcl_colorblocks:glazed_terracotta_magenta")
mesecon.register_mvps_unsticky("mcl_colorblocks:glazed_terracotta_blue")
mesecon.register_mvps_unsticky("mcl_colorblocks:glazed_terracotta_cyan")
mesecon.register_mvps_unsticky("mcl_colorblocks:glazed_terracotta_white")
mesecon.register_mvps_unsticky("mcl_colorblocks:glazed_terracotta_grey")
mesecon.register_mvps_unsticky("mcl_colorblocks:glazed_terracotta_silver")
mesecon.register_mvps_unsticky("mcl_colorblocks:glazed_terracotta_black")
mesecon.register_mvps_unsticky("mcl_colorblocks:glazed_terracotta_brown")
mesecon.register_mvps_unsticky("mcl_colorblocks:glazed_terracotta_light_blue")
mesecon.register_mvps_unsticky("mcl_colorblocks:glazed_terracotta_pink")
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mesecon.register_on_mvps_move(mesecon.move_hot_nodes)