forked from mtcontrib/display_modpack
Improve on_rotate functions (#21)
Fixed bugs and improve on_rotate and support color- paramtype2s
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@ -26,55 +26,30 @@ display_api.entity_spacing = 0.002
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-- Miscelaneous values depending on wallmounted param2
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local wallmounted_values = {
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[0]={dx=0, dz=0, rx=0, rz=0, yaw=0, rotate=0}, -- Should never be used
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{dx=0, dz=0, rx=0, rz=0, yaw=0, rotate=1}, -- Should never be used
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{dx=-1, dz=0, rx=0, rz=-1, yaw=-math.pi/2, rotate=5},
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{dx=1, dz=0, rx=0, rz=1, yaw=math.pi/2, rotate=4},
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{dx=0, dz=-1, rx=1, rz=0, yaw=0, rotate=2},
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{dx=0, dz=1, rx=-1, rz=0, yaw=math.pi, rotate=3}
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[2]={dx=-1, dz=0, rx=0, rz=-1, yaw=-math.pi/2},
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[3]={dx=1, dz=0, rx=0, rz=1, yaw=math.pi/2 },
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[4]={dx=0, dz=-1, rx=1, rz=0, yaw=0 },
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[5]={dx=0, dz=1, rx=-1, rz=0, yaw=math.pi }
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}
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-- Miscelaneous values depending on facedir param2
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local facedir_values = {
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[0]={dx=0, dz=-1, rx=1, rz=0, yaw=0, rotate=1},
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{dx=-1, dz=0, rx=0, rz=-1, yaw=-math.pi/2, rotate=2},
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{dx=0, dz=1, rx=-1, rz=0, yaw=math.pi, rotate=3},
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{dx=1, dz=0, rx=0, rz=1, yaw=math.pi/2, rotate=0},
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-- Forbiden values :
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{dx=0, dz=0, rx=0, rz=0, yaw=0, rotate=0},
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{dx=0, dz=0, rx=0, rz=0, yaw=0, rotate=0},
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{dx=0, dz=0, rx=0, rz=0, yaw=0, rotate=0},
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{dx=0, dz=0, rx=0, rz=0, yaw=0, rotate=0},
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{dx=0, dz=0, rx=0, rz=0, yaw=0, rotate=0},
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{dx=0, dz=0, rx=0, rz=0, yaw=0, rotate=0},
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{dx=0, dz=0, rx=0, rz=0, yaw=0, rotate=0},
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{dx=0, dz=0, rx=0, rz=0, yaw=0, rotate=0},
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{dx=0, dz=0, rx=0, rz=0, yaw=0, rotate=0},
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{dx=0, dz=0, rx=0, rz=0, yaw=0, rotate=0},
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{dx=0, dz=0, rx=0, rz=0, yaw=0, rotate=0},
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{dx=0, dz=0, rx=0, rz=0, yaw=0, rotate=0},
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{dx=0, dz=0, rx=0, rz=0, yaw=0, rotate=0},
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{dx=0, dz=0, rx=0, rz=0, yaw=0, rotate=0},
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{dx=0, dz=0, rx=0, rz=0, yaw=0, rotate=0},
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{dx=0, dz=0, rx=0, rz=0, yaw=0, rotate=0},
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{dx=0, dz=0, rx=0, rz=0, yaw=0, rotate=0},
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{dx=0, dz=0, rx=0, rz=0, yaw=0, rotate=0},
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{dx=0, dz=0, rx=0, rz=0, yaw=0, rotate=0},
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{dx=0, dz=0, rx=0, rz=0, yaw=0, rotate=0},
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[0]={dx=0, dz=-1, rx=1, rz=0, yaw=0 },
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[1]={dx=-1, dz=0, rx=0, rz=-1, yaw=-math.pi/2},
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[2]={dx=0, dz=1, rx=-1, rz=0, yaw=math.pi },
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[3]={dx=1, dz=0, rx=0, rz=1, yaw=math.pi/2 }
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}
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-- dx/dy = depth vector, rx/ly = right vector, yaw = yaw of entity,
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-- rotate = next facedir/wallmount on rotate
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local function get_values(node)
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local ndef = minetest.registered_nodes[node.name]
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if ndef then
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if ndef.paramtype2 == "wallmounted" then
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return wallmounted_values[node.param2]
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end
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if ndef.paramtype2 == "facedir" then
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return facedir_values[node.param2]
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local paramtype2 = ndef.paramtype2
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if paramtype2 == "wallmounted" or paramtype2 == "colorwallmounted" then
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return wallmounted_values[node.param2 % 8]
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elseif paramtype2 == "facedir" or paramtype2 == "colorfacedir" then
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return facedir_values[node.param2 % 32]
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end
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end
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end
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@ -186,7 +161,7 @@ end
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--- On_place callback for display_api items. Does nothing more than preventing item
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--- from being placed on ceiling or ground
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function display_api.on_place(itemstack, placer, pointed_thing)
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function display_api.on_place(itemstack, placer, pointed_thing, override_param2)
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local ndef = itemstack:get_definition()
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local above = pointed_thing.above
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local under = pointed_thing.under
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@ -200,15 +175,16 @@ function display_api.on_place(itemstack, placer, pointed_thing)
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dir.y = 0
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end
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local param2
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local param2 = 0
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if ndef then
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if ndef.paramtype2 == "wallmounted" then
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local paramtype2 = ndef.paramtype2
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if paramtype2 == "wallmounted" or paramtype2 == "colorwallmounted" then
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param2 = minetest.dir_to_wallmounted(dir)
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elseif ndef.paramtype2 == "facedir" then
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elseif paramtype2 == "facedir" or paramtype2 == "colorfacedir" then
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param2 = minetest.dir_to_facedir(dir)
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end
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end
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return minetest.item_place(itemstack, placer, pointed_thing, param2)
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return minetest.item_place(itemstack, placer, pointed_thing, param2 + (override_param2 or 0))
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end
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--- On_construct callback for display_api items. Creates entities and update them.
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@ -225,14 +201,11 @@ function display_api.on_destruct(pos)
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end
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end
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-- On_rotate (screwdriver) callback for display_api items. Prevents axis rotation and reorients entities.
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function display_api.on_rotate(pos, node, user, mode, new_param2)
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if mode ~= 1 then return false end
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local values = get_values(node)
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if values then
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minetest.swap_node(pos, {name = node.name, param1 = node.param1, param2 = values.rotate})
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-- On_rotate (screwdriver) callback for display_api items. Prevents invalid rotations and reorients entities.
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function display_api.on_rotate(pos, node, user, _, new_param2)
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node.param2 = new_param2
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if get_values(node) then
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minetest.swap_node(pos, node)
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place_entities(pos)
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return true
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else
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@ -132,6 +132,8 @@ function signs_api.on_place_direction(itemstack, placer, pointed_thing)
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end
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-- Handles screwdriver rotation. Direction is affected for direction signs
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-- If rotation mode is 2 and sign is directional, swap direction.
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-- Otherwise use display_api's on_rotate function.
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function signs_api.on_rotate(pos, node, player, mode, new_param2)
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if mode == 2 then
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local ndef = minetest.registered_nodes[node.name]
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@ -139,11 +141,10 @@ function signs_api.on_rotate(pos, node, player, mode, new_param2)
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minetest.swap_node(pos, {name = ndef.signs_other_dir,
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param1 = node.param1, param2 = node.param2})
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display_api.update_entities(pos)
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return true
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end
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else
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display_api.on_rotate(pos, node, user, mode, new_param2)
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end
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return false;
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return display_api.on_rotate(pos, node, user, mode, new_param2)
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end
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function signs_api.register_sign(mod, name, model)
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