mesecons/mesecons_pressureplates/init.lua

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local S = minetest.get_translator(minetest.get_current_modname())
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local pp_box_off = {
type = "fixed",
fixed = { -7/16, -8/16, -7/16, 7/16, -7/16, 7/16 },
}
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local pp_box_on = {
type = "fixed",
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fixed = { -7/16, -8/16, -7/16, 7/16, -7.5/16, 7/16 },
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}
local function obj_touching_plate_pos(obj_ref, plate_pos)
local obj_pos = obj_ref:get_pos()
local props = obj_ref:get_properties()
if not (props and obj_pos and not obj_ref:get_attach()) then
return false
end
local collisionbox = props.collisionbox
local physical = props.physical
local is_player = obj_ref:is_player()
local luaentity = obj_ref:get_luaentity()
local is_item = luaentity and luaentity.name == "__builtin:item"
if not (collisionbox and physical or is_player or is_item) then
return false
end
local plate_x_min = plate_pos.x - 7 / 16
local plate_x_max = plate_pos.x + 7 / 16
local plate_z_min = plate_pos.z - 7 / 16
local plate_z_max = plate_pos.z + 7 / 16
local plate_y_min = plate_pos.y - 8 / 16
local plate_y_max = plate_pos.y - 6.5 / 16
local obj_x_min = obj_pos.x + collisionbox[1]
local obj_x_max = obj_pos.x + collisionbox[4]
local obj_z_min = obj_pos.z + collisionbox[3]
local obj_z_max = obj_pos.z + collisionbox[6]
local obj_y_min = obj_pos.y + collisionbox[2]
local obj_y_max = obj_pos.y + collisionbox[5]
if
obj_y_min < plate_y_max and
obj_y_max > plate_y_min and
obj_x_min < plate_x_max and
obj_x_max > plate_x_min and
obj_z_min < plate_z_max and
obj_z_max > plate_z_min
then
return true
end
return false
end
local function pp_on_timer(pos)
local node = minetest.get_node(pos)
local basename = minetest.registered_nodes[node.name].pressureplate_basename
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-- This is a workaround for a strange bug that occurs when the server is started
-- For some reason the first time on_timer is called, the pos is wrong
if not basename then return end
local objs = minetest.get_objects_inside_radius(pos, 1)
local obj_touching = false
for k, obj in pairs(objs) do
if obj_touching_plate_pos(obj, pos) then
obj_touching = true
break
end
end
if not obj_touching and node.name == basename .. "_on" then
minetest.set_node(pos, {name = basename .. "_off"})
mesecon.receptor_off(pos, mesecon.rules.pplate)
elseif obj_touching and node.name == basename .. "_off" then
minetest.set_node(pos, {name = basename .. "_on"})
mesecon.receptor_on(pos, mesecon.rules.pplate )
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end
return true
end
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-- Register a Pressure Plate
-- offstate: name of the pressure plate when inactive
-- onstate: name of the pressure plate when active
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-- description: description displayed in the player's inventory
-- tiles_off: textures of the pressure plate when inactive
-- tiles_on: textures of the pressure plate when active
-- image: inventory and wield image of the pressure plate
-- recipe: crafting recipe of the pressure plate
-- groups: groups
-- sounds: sound table
function mesecon.register_pressure_plate(basename, description, textures_off, textures_on, image_w, image_i, recipe, groups, sounds)
if not groups then
groups = {}
end
local groups_off = table.copy(groups)
local groups_on = table.copy(groups)
groups_on.not_in_creative_inventory = 1
mesecon.register_node(basename, {
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drawtype = "nodebox",
inventory_image = image_i,
wield_image = image_w,
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paramtype = "light",
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is_ground_content = false,
description = description,
pressureplate_basename = basename,
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on_timer = pp_on_timer,
on_construct = function(pos)
minetest.get_node_timer(pos):start(mesecon.setting("pplate_interval", 0.1))
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end,
sounds = sounds,
},{
mesecons = {receptor = { state = mesecon.state.off, rules = mesecon.rules.pplate }},
node_box = pp_box_off,
selection_box = pp_box_off,
groups = groups_off,
tiles = textures_off
},{
mesecons = {receptor = { state = mesecon.state.on, rules = mesecon.rules.pplate }},
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node_box = pp_box_on,
selection_box = pp_box_on,
groups = groups_on,
tiles = textures_on
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})
minetest.register_craft({
output = basename .. "_off",
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recipe = recipe,
})
end
mesecon.register_pressure_plate(
"mesecons_pressureplates:pressure_plate_wood",
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S("Wooden Pressure Plate"),
{"jeija_pressure_plate_wood_off.png","jeija_pressure_plate_wood_off.png","jeija_pressure_plate_wood_off_edges.png"},
{"jeija_pressure_plate_wood_on.png","jeija_pressure_plate_wood_on.png","jeija_pressure_plate_wood_on_edges.png"},
"jeija_pressure_plate_wood_wield.png",
"jeija_pressure_plate_wood_inv.png",
{{"group:wood", "group:wood"}},
{ choppy = 3, oddly_breakable_by_hand = 3 },
mesecon.node_sound.wood)
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mesecon.register_pressure_plate(
"mesecons_pressureplates:pressure_plate_stone",
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S("Stone Pressure Plate"),
{"jeija_pressure_plate_stone_off.png","jeija_pressure_plate_stone_off.png","jeija_pressure_plate_stone_off_edges.png"},
{"jeija_pressure_plate_stone_on.png","jeija_pressure_plate_stone_on.png","jeija_pressure_plate_stone_on_edges.png"},
"jeija_pressure_plate_stone_wield.png",
"jeija_pressure_plate_stone_inv.png",
{{"mesecons_gamecompat:cobble", "mesecons_gamecompat:cobble"}},
{ cracky = 3, oddly_breakable_by_hand = 3 },
mesecon.node_sound.stone)