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Improve on_rotate functions (#21)

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Fixed bugs and improve on_rotate and support color- paramtype2s
This commit is contained in:
12Me21 2018-09-26 13:41:30 -04:00 committed by Pierre-Yves Rollo
parent 969bd674c9
commit a9c7e2235f
1 changed files with 33 additions and 60 deletions
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77
init.lua
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@ -26,55 +26,30 @@ display_api.entity_spacing = 0.002
-- Miscelaneous values depending on wallmounted param2
local wallmounted_values = {
[0]={dx=0, dz=0, rx=0, rz=0, yaw=0, rotate=0}, -- Should never be used
{dx=0, dz=0, rx=0, rz=0, yaw=0, rotate=1}, -- Should never be used
{dx=-1, dz=0, rx=0, rz=-1, yaw=-math.pi/2, rotate=5},
{dx=1, dz=0, rx=0, rz=1, yaw=math.pi/2, rotate=4},
{dx=0, dz=-1, rx=1, rz=0, yaw=0, rotate=2},
{dx=0, dz=1, rx=-1, rz=0, yaw=math.pi, rotate=3}
[2]={dx=-1, dz=0, rx=0, rz=-1, yaw=-math.pi/2},
[3]={dx=1, dz=0, rx=0, rz=1, yaw=math.pi/2 },
[4]={dx=0, dz=-1, rx=1, rz=0, yaw=0 },
[5]={dx=0, dz=1, rx=-1, rz=0, yaw=math.pi }
}
-- Miscelaneous values depending on facedir param2
local facedir_values = {
[0]={dx=0, dz=-1, rx=1, rz=0, yaw=0, rotate=1},
{dx=-1, dz=0, rx=0, rz=-1, yaw=-math.pi/2, rotate=2},
{dx=0, dz=1, rx=-1, rz=0, yaw=math.pi, rotate=3},
{dx=1, dz=0, rx=0, rz=1, yaw=math.pi/2, rotate=0},
-- Forbiden values :
{dx=0, dz=0, rx=0, rz=0, yaw=0, rotate=0},
{dx=0, dz=0, rx=0, rz=0, yaw=0, rotate=0},
{dx=0, dz=0, rx=0, rz=0, yaw=0, rotate=0},
{dx=0, dz=0, rx=0, rz=0, yaw=0, rotate=0},
{dx=0, dz=0, rx=0, rz=0, yaw=0, rotate=0},
{dx=0, dz=0, rx=0, rz=0, yaw=0, rotate=0},
{dx=0, dz=0, rx=0, rz=0, yaw=0, rotate=0},
{dx=0, dz=0, rx=0, rz=0, yaw=0, rotate=0},
{dx=0, dz=0, rx=0, rz=0, yaw=0, rotate=0},
{dx=0, dz=0, rx=0, rz=0, yaw=0, rotate=0},
{dx=0, dz=0, rx=0, rz=0, yaw=0, rotate=0},
{dx=0, dz=0, rx=0, rz=0, yaw=0, rotate=0},
{dx=0, dz=0, rx=0, rz=0, yaw=0, rotate=0},
{dx=0, dz=0, rx=0, rz=0, yaw=0, rotate=0},
{dx=0, dz=0, rx=0, rz=0, yaw=0, rotate=0},
{dx=0, dz=0, rx=0, rz=0, yaw=0, rotate=0},
{dx=0, dz=0, rx=0, rz=0, yaw=0, rotate=0},
{dx=0, dz=0, rx=0, rz=0, yaw=0, rotate=0},
{dx=0, dz=0, rx=0, rz=0, yaw=0, rotate=0},
{dx=0, dz=0, rx=0, rz=0, yaw=0, rotate=0},
}
[0]={dx=0, dz=-1, rx=1, rz=0, yaw=0 },
[1]={dx=-1, dz=0, rx=0, rz=-1, yaw=-math.pi/2},
[2]={dx=0, dz=1, rx=-1, rz=0, yaw=math.pi },
[3]={dx=1, dz=0, rx=0, rz=1, yaw=math.pi/2 }
}
-- dx/dy = depth vector, rx/ly = right vector, yaw = yaw of entity,
-- rotate = next facedir/wallmount on rotate
local function get_values(node)
local ndef = minetest.registered_nodes[node.name]
if ndef then
if ndef.paramtype2 == "wallmounted" then
return wallmounted_values[node.param2]
end
if ndef.paramtype2 == "facedir" then
return facedir_values[node.param2]
local paramtype2 = ndef.paramtype2
if paramtype2 == "wallmounted" or paramtype2 == "colorwallmounted" then
return wallmounted_values[node.param2 % 8]
elseif paramtype2 == "facedir" or paramtype2 == "colorfacedir" then
return facedir_values[node.param2 % 32]
end
end
end
@ -186,7 +161,7 @@ end
--- On_place callback for display_api items. Does nothing more than preventing item
--- from being placed on ceiling or ground
function display_api.on_place(itemstack, placer, pointed_thing)
function display_api.on_place(itemstack, placer, pointed_thing, override_param2)
local ndef = itemstack:get_definition()
local above = pointed_thing.above
local under = pointed_thing.under
@ -200,15 +175,16 @@ function display_api.on_place(itemstack, placer, pointed_thing)
dir.y = 0
end
local param2
local param2 = 0
if ndef then
if ndef.paramtype2 == "wallmounted" then
local paramtype2 = ndef.paramtype2
if paramtype2 == "wallmounted" or paramtype2 == "colorwallmounted" then
param2 = minetest.dir_to_wallmounted(dir)
elseif ndef.paramtype2 == "facedir" then
elseif paramtype2 == "facedir" or paramtype2 == "colorfacedir" then
param2 = minetest.dir_to_facedir(dir)
end
end
return minetest.item_place(itemstack, placer, pointed_thing, param2)
return minetest.item_place(itemstack, placer, pointed_thing, param2 + (override_param2 or 0))
end
--- On_construct callback for display_api items. Creates entities and update them.
@ -225,14 +201,11 @@ function display_api.on_destruct(pos)
end
end
-- On_rotate (screwdriver) callback for display_api items. Prevents axis rotation and reorients entities.
function display_api.on_rotate(pos, node, user, mode, new_param2)
if mode ~= 1 then return false end
local values = get_values(node)
if values then
minetest.swap_node(pos, {name = node.name, param1 = node.param1, param2 = values.rotate})
-- On_rotate (screwdriver) callback for display_api items. Prevents invalid rotations and reorients entities.
function display_api.on_rotate(pos, node, user, _, new_param2)
node.param2 = new_param2
if get_values(node) then
minetest.swap_node(pos, node)
place_entities(pos)
return true
else