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Pressure plates: check for entity contact (#632)

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Johannes Fritz 2023-06-18 13:05:35 -05:00 committed by GitHub
parent 54de66b3e1
commit 7f8758f17b
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 55 additions and 10 deletions
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65
mesecons_pressureplates/init.lua
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@ -10,6 +10,49 @@ local pp_box_on = {
fixed = { -7/16, -8/16, -7/16, 7/16, -7.5/16, 7/16 },
}
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
@ -18,19 +61,21 @@ local function pp_on_timer(pos)
-- 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 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 objs[1] == nil and node.name == basename .. "_on" then
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 node.name == basename .. "_off" then
for k, obj in pairs(objs) do
local objpos = obj:get_pos()
if objpos.y > pos.y-1 and objpos.y < pos.y then
minetest.set_node(pos, {name = basename .. "_on"})
mesecon.receptor_on(pos, mesecon.rules.pplate )
end
end
elseif obj_touching and node.name == basename .. "_off" then
minetest.set_node(pos, {name = basename .. "_on"})
mesecon.receptor_on(pos, mesecon.rules.pplate )
end
return true
end