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https://github.com/pyrollo/display_modpack.git
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Improve on_rotate functions (#21)
Fixed bugs and improve on_rotate and support color- paramtype2s
This commit is contained in:
12Me21
Pierre-Yves Rollo
parent
969bd674c9
commit
a9c7e2235f
93
init.lua
93
init.lua
@ -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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}
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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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@ -97,9 +72,9 @@ local function get_entities(pos)
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if ndef and ndef.display_entities then
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for _, objref in ipairs(minetest.get_objects_inside_radius(pos, 1.5)) do
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local entity = objref:get_luaentity()
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if entity and ndef.display_entities[entity.name] and check_entity_pos(pos, objref) then
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if entity and ndef.display_entities[entity.name] and check_entity_pos(pos, objref) then
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if objrefs[entity.name] then
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objref:remove()
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objref:remove()
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else
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objrefs[entity.name] = objref
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end
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@ -123,9 +98,9 @@ local function place_entities(pos)
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local ndef = minetest.registered_nodes[node.name]
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local values = get_values(node)
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local objrefs = get_entities(pos)
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if values and ndef and ndef.display_entities then
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for entity_name, props in pairs(ndef.display_entities) do
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local depth = clip_pos_prop(props.depth)
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local right = clip_pos_prop(props.right)
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@ -133,12 +108,12 @@ local function place_entities(pos)
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if not objrefs[entity_name] then
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objrefs[entity_name] = minetest.add_entity(pos, entity_name)
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end
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objrefs[entity_name]:setpos({
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x = pos.x - values.dx * depth + values.rx * right,
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y = pos.y - top,
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z = pos.z - values.dz * depth + values.rz * right})
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objrefs[entity_name]:setyaw(values.yaw)
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end
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end
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@ -151,7 +126,7 @@ local function call_node_on_display_update(pos, objref)
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local entity = objref:get_luaentity()
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if ndef and ndef.display_entities and entity and ndef.display_entities[entity.name] then
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ndef.display_entities[entity.name].on_display_update(pos, objref)
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end
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end
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end
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--- Force entity update
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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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