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mesecon.rules = {}
mesecon.state = {}
mesecon.rules.default = {
{x = 0, y = 0, z = -1},
{x = 1, y = 0, z = 0},
{x = -1, y = 0, z = 0},
{x = 0, y = 0, z = 1},
{x = 1, y = 1, z = 0},
{x = 1, y = -1, z = 0},
{x = -1, y = 1, z = 0},
{x = -1, y = -1, z = 0},
{x = 0, y = 1, z = 1},
{x = 0, y = -1, z = 1},
{x = 0, y = 1, z = -1},
{x = 0, y = -1, z = -1},
}
mesecon.rules.floor = mesecon.merge_rule_sets(mesecon.rules.default, {{x = 0, y = -1, z = 0}})
mesecon.rules.pplate = mesecon.merge_rule_sets(mesecon.rules.floor, {{x = 0, y = -2, z = 0}})
mesecon.rules.buttonlike = {
{x = 1, y = 0, z = 0},
{x = 1, y = 1, z = 0},
{x = 1, y = -1, z = 0},
{x = 1, y = -1, z = 1},
{x = 1, y = -1, z = -1},
{x = 2, y = 0, z = 0},
}
mesecon.rules.flat = {
{x = 1, y = 0, z = 0},
{x = -1, y = 0, z = 0},
{x = 0, y = 0, z = 1},
{x = 0, y = 0, z = -1},
}
mesecon.rules.alldirs = {
{x = 1, y = 0, z = 0},
{x = -1, y = 0, z = 0},
{x = 0, y = 1, z = 0},
{x = 0, y = -1, z = 0},
{x = 0, y = 0, z = 1},
{x = 0, y = 0, z = -1},
}
local rules_wallmounted = {
xp = mesecon.rotate_rules_down(mesecon.rules.floor),
xn = mesecon.rotate_rules_up(mesecon.rules.floor),
yp = mesecon.rotate_rules_up(mesecon.rotate_rules_up(mesecon.rules.floor)),
yn = mesecon.rules.floor,
zp = mesecon.rotate_rules_left(mesecon.rotate_rules_up(mesecon.rules.floor)),
zn = mesecon.rotate_rules_right(mesecon.rotate_rules_up(mesecon.rules.floor)),
}
local rules_buttonlike = {
xp = mesecon.rules.buttonlike,
xn = mesecon.rotate_rules_right(mesecon.rotate_rules_right(mesecon.rules.buttonlike)),
yp = mesecon.rotate_rules_down(mesecon.rules.buttonlike),
yn = mesecon.rotate_rules_up(mesecon.rules.buttonlike),
zp = mesecon.rotate_rules_right(mesecon.rules.buttonlike),
zn = mesecon.rotate_rules_left(mesecon.rules.buttonlike),
}
local function rules_from_dir(ruleset, dir)
if dir.x == 1 then return ruleset.xp end
if dir.y == 1 then return ruleset.yp end
if dir.z == 1 then return ruleset.zp end
if dir.x == -1 then return ruleset.xn end
if dir.y == -1 then return ruleset.yn end
if dir.z == -1 then return ruleset.zn end
end
mesecon.rules.wallmounted_get = function(node)
local dir = minetest.wallmounted_to_dir(node.param2)
return rules_from_dir(rules_wallmounted, dir)
end
mesecon.rules.buttonlike_get = function(node)
local dir = minetest.facedir_to_dir(node.param2)
return rules_from_dir(rules_buttonlike, dir)
end
mesecon.state.on = "on"
mesecon.state.off = "off"
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