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MineClone2/mods/ITEMS/mcl_banners/init.lua

672 lines
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Lua

local modname = minetest.get_current_modname()
local modpath = minetest.get_modpath(modname)
local S = minetest.get_translator(modname)
local N = function(s) return s end
local mod_mcl_core = minetest.get_modpath("mcl_core")
local mod_doc = minetest.get_modpath("doc")
local node_sounds
if minetest.get_modpath("mcl_sounds") then
node_sounds = mcl_sounds.node_sound_wood_defaults()
end
-- Helper function
local function round(num, idp)
local mult = 10^(idp or 0)
return math.floor(num * mult + 0.5) / mult
end
mcl_banners = {}
mcl_banners.colors = {
-- Format:
-- [ID] = { banner description, wool, unified dyes color group, overlay color, dye, color name for emblazonings }
["unicolor_white"] = {"white", S("White Banner"), "mcl_wool:white", "#FFFFFF", "mcl_dye:white", N("White") },
["unicolor_darkgrey"] = {"grey", S("Grey Banner"), "mcl_wool:grey", "#303030", "mcl_dye:dark_grey", N("Grey") },
["unicolor_grey"] = {"silver", S("Light Grey Banner"), "mcl_wool:silver", "#5B5B5B", "mcl_dye:grey", N("Light Grey") },
["unicolor_black"] = {"black", S("Black Banner"), "mcl_wool:black", "#000000", "mcl_dye:black", N("Black") },
["unicolor_red"] = {"red", S("Red Banner"), "mcl_wool:red", "#BC0000", "mcl_dye:red", N("Red") },
["unicolor_yellow"] = {"yellow", S("Yellow Banner"), "mcl_wool:yellow", "#E6CD00", "mcl_dye:yellow", N("Yellow") },
["unicolor_dark_green"] = {"green", S("Green Banner"), "mcl_wool:green", "#006000", "mcl_dye:dark_green", N("Green") },
["unicolor_cyan"] = {"cyan", S("Cyan Banner"), "mcl_wool:cyan", "#00ACAC", "mcl_dye:cyan", N("Cyan") },
["unicolor_blue"] = {"blue", S("Blue Banner"), "mcl_wool:blue", "#0000AC", "mcl_dye:blue", N("Blue") },
["unicolor_red_violet"] = {"magenta", S("Magenta Banner"), "mcl_wool:magenta", "#AC007C", "mcl_dye:magenta", N("Magenta")},
["unicolor_orange"] = {"orange", S("Orange Banner"), "mcl_wool:orange", "#E67300", "mcl_dye:orange", N("Orange") },
["unicolor_violet"] = {"purple", S("Purple Banner"), "mcl_wool:purple", "#6400AC", "mcl_dye:violet", N("Violet") },
["unicolor_brown"] = {"brown", S("Brown Banner"), "mcl_wool:brown", "#603000", "mcl_dye:brown", N("Brown") },
["unicolor_pink"] = {"pink", S("Pink Banner"), "mcl_wool:pink", "#DE557C", "mcl_dye:pink", N("Pink") },
["unicolor_lime"] = {"lime", S("Lime Banner"), "mcl_wool:lime", "#30AC00", "mcl_dye:green", N("Lime") },
["unicolor_light_blue"] = {"light_blue", S("Light Blue Banner"), "mcl_wool:light_blue", "#4040CF", "mcl_dye:lightblue", N("Light Blue") },
}
local pattern_names = {
"",
"border",
"bricks",
"circle",
"creeper",
"cross",
"curly_border",
"diagonal_up_left",
"diagonal_up_right",
"diagonal_right",
"diagonal_left",
"flower",
"gradient",
"gradient_up",
"half_horizontal_bottom",
"half_horizontal",
"half_vertical",
"half_vertical_right",
"thing",
"rhombus",
"skull",
"small_stripes",
"square_bottom_left",
"square_bottom_right",
"square_top_left",
"square_top_right",
"straight_cross",
"stripe_bottom",
"stripe_center",
"stripe_downleft",
"stripe_downright",
"stripe_left",
"stripe_middle",
"stripe_right",
"stripe_top",
"triangle_bottom",
"triangle_top",
"triangles_bottom",
"triangles_top",
}
local colors_reverse = {}
for k,v in pairs(mcl_banners.colors) do
colors_reverse["mcl_banners:banner_item_"..v[1]] = k
end
-- Add pattern/emblazoning crafting recipes
dofile(modpath.."/patterncraft.lua")
-- Overlay ratios (0-255)
local base_color_ratio = 224
local layer_ratio = 255
local standing_banner_entity_offset = { x=0, y=-0.499, z=0 }
local hanging_banner_entity_offset = { x=0, y=-1.7, z=0 }
local function rotation_level_to_yaw(rotation_level)
return (rotation_level * (math.pi/8)) + math.pi
end
local function on_dig_banner(pos, node, digger)
-- Check protection
local name = digger:get_player_name()
if minetest.is_protected(pos, name) then
minetest.record_protection_violation(pos, name)
return
end
-- Drop item
local meta = minetest.get_meta(pos)
local item = meta:get_inventory():get_stack("banner", 1)
if not item:is_empty() then
minetest.handle_node_drops(pos, {item:to_string()}, digger)
else
minetest.handle_node_drops(pos, {"mcl_banners:banner_item_white"}, digger)
end
-- Remove node
minetest.remove_node(pos)
end
local function on_destruct_banner(pos, hanging)
local offset, nodename
if hanging then
offset = hanging_banner_entity_offset
nodename = "mcl_banners:hanging_banner"
else
offset = standing_banner_entity_offset
nodename = "mcl_banners:standing_banner"
end
-- Find this node's banner entity and remove it
local checkpos = vector.add(pos, offset)
local objects = minetest.get_objects_inside_radius(checkpos, 0.5)
for _, v in ipairs(objects) do
local ent = v:get_luaentity()
if ent and ent.name == nodename then
v:remove()
end
end
end
local function on_destruct_standing_banner(pos)
return on_destruct_banner(pos, false)
end
local function on_destruct_hanging_banner(pos)
return on_destruct_banner(pos, true)
end
local function make_banner_texture(base_color, layers)
local colorize
if mcl_banners.colors[base_color] then
colorize = mcl_banners.colors[base_color][4]
end
if colorize then
-- Base texture with base color
local base = "(mcl_banners_banner_base.png^[mask:mcl_banners_base_inverted.png)^((mcl_banners_banner_base.png^[colorize:"..colorize..":"..base_color_ratio..")^[mask:mcl_banners_base.png)"
-- Optional pattern layers
if layers then
local finished_banner = base
for l=1, #layers do
local layerinfo = layers[l]
local pattern = "mcl_banners_" .. layerinfo.pattern .. ".png"
local color = mcl_banners.colors[layerinfo.color][4]
-- Generate layer texture
local layer = "(("..pattern.."^[colorize:"..color..":"..layer_ratio..")^[mask:"..pattern..")"
finished_banner = finished_banner .. "^" .. layer
end
return { finished_banner }
end
return { base }
else
return { "mcl_banners_banner_base.png" }
end
end
local function spawn_banner_entity(pos, hanging, itemstack)
local banner
if hanging then
banner = minetest.add_entity(pos, "mcl_banners:hanging_banner")
else
banner = minetest.add_entity(pos, "mcl_banners:standing_banner")
end
if banner == nil then
return banner
end
local imeta = itemstack:get_meta()
local layers_raw = imeta:get_string("layers")
local layers = minetest.deserialize(layers_raw)
local colorid = colors_reverse[itemstack:get_name()]
banner:get_luaentity():_set_textures(colorid, layers)
local mname = imeta:get_string("name")
if mname and mname ~= "" then
banner:get_luaentity()._item_name = mname
banner:get_luaentity()._item_description = imeta:get_string("description")
end
return banner
end
local function respawn_banner_entity(pos, node, force)
local hanging = node.name == "mcl_banners:hanging_banner"
local offset
if hanging then
offset = hanging_banner_entity_offset
else
offset = standing_banner_entity_offset
end
-- Check if a banner entity already exists
local bpos = vector.add(pos, offset)
local objects = minetest.get_objects_inside_radius(bpos, 0.5)
for _, v in ipairs(objects) do
local ent = v:get_luaentity()
if ent and (ent.name == "mcl_banners:standing_banner" or ent.name == "mcl_banners:hanging_banner") then
if force then
v:remove()
else
return
end
end
end
-- Spawn new entity
local meta = minetest.get_meta(pos)
local banner_item = meta:get_inventory():get_stack("banner", 1)
local banner_entity = spawn_banner_entity(bpos, hanging, banner_item)
-- Set rotation
local rotation_level = meta:get_int("rotation_level")
local final_yaw = rotation_level_to_yaw(rotation_level)
banner_entity:set_yaw(final_yaw)
end
-- Banner nodes.
-- These are an invisible nodes which are only used to destroy the banner entity.
-- All the important banner information (such as color) is stored in the entity.
-- It is used only used internally.
-- Standing banner node
-- This one is also used for the help entry to avoid spamming the help with 16 entries.
minetest.register_node("mcl_banners:standing_banner", {
_doc_items_entry_name = S("Banner"),
_doc_items_image = "mcl_banners_item_base.png^mcl_banners_item_overlay.png",
_doc_items_longdesc = S("Banners are tall colorful decorative blocks. They can be placed on the floor and at walls. Banners can be emblazoned with a variety of patterns using a lot of dye in crafting."),
_doc_items_usagehelp = S("Use crafting to draw a pattern on top of the banner. Emblazoned banners can be emblazoned again to combine various patterns. You can draw up to 12 layers on a banner that way. If the banner includes a gradient, only 3 layers are possible.").."\n"..
S("You can copy the pattern of a banner by placing two banners of the same color in the crafting grid—one needs to be emblazoned, the other one must be clean. Finally, you can use a banner on a cauldron with water to wash off its top-most layer."),
walkable = false,
is_ground_content = false,
paramtype = "light",
sunlight_propagates = true,
drawtype = "nodebox",
-- Nodebox is drawn as fallback when the entity is missing, so that the
-- banner node is never truly invisible.
-- If the entity is drawn, the nodebox disappears within the real banner mesh.
node_box = {
type = "fixed",
fixed = { -1/32, -0.49, -1/32, 1/32, 1.49, 1/32 },
},
-- This texture is based on the banner base texture
tiles = { "mcl_banners_fallback_wood.png" },
inventory_image = "mcl_banners_item_base.png",
wield_image = "mcl_banners_item_base.png",
selection_box = {type = "fixed", fixed= {-0.3, -0.5, -0.3, 0.3, 0.5, 0.3} },
groups = {axey=1,handy=1, attached_node = 1, not_in_creative_inventory = 1, not_in_craft_guide = 1, material_wood=1, dig_by_piston=1, flammable=-1 },
stack_max = 16,
sounds = node_sounds,
drop = "", -- Item drops are handled in entity code
on_dig = on_dig_banner,
on_destruct = on_destruct_standing_banner,
on_punch = function(pos, node)
respawn_banner_entity(pos, node)
end,
_mcl_hardness = 1,
_mcl_blast_resistance = 1,
on_rotate = function(pos, node, user, mode, param2)
if mode == screwdriver.ROTATE_FACE then
local meta = minetest.get_meta(pos)
local rot = meta:get_int("rotation_level")
rot = (rot - 1) % 16
meta:set_int("rotation_level", rot)
respawn_banner_entity(pos, node, true)
return true
else
return false
end
end,
})
-- Hanging banner node
minetest.register_node("mcl_banners:hanging_banner", {
walkable = false,
is_ground_content = false,
paramtype = "light",
paramtype2 = "wallmounted",
sunlight_propagates = true,
drawtype = "nodebox",
inventory_image = "mcl_banners_item_base.png",
wield_image = "mcl_banners_item_base.png",
tiles = { "mcl_banners_fallback_wood.png" },
node_box = {
type = "wallmounted",
wall_side = { -0.49, 0.41, -0.49, -0.41, 0.49, 0.49 },
wall_top = { -0.49, 0.41, -0.49, -0.41, 0.49, 0.49 },
wall_bottom = { -0.49, -0.49, -0.49, -0.41, -0.41, 0.49 },
},
selection_box = {type = "wallmounted", wall_side = {-0.5, -0.5, -0.5, -4/16, 0.5, 0.5} },
groups = {axey=1,handy=1, attached_node = 1, not_in_creative_inventory = 1, not_in_craft_guide = 1, material_wood=1, flammable=-1 },
stack_max = 16,
sounds = node_sounds,
drop = "", -- Item drops are handled in entity code
on_dig = on_dig_banner,
on_destruct = on_destruct_hanging_banner,
on_punch = function(pos, node)
respawn_banner_entity(pos, node)
end,
_mcl_hardness = 1,
_mcl_blast_resistance = 1,
on_rotate = function(pos, node, user, mode, param2)
if mode == screwdriver.ROTATE_FACE then
local r = screwdriver.rotate.wallmounted(pos, node, mode)
node.param2 = r
minetest.swap_node(pos, node)
local meta = minetest.get_meta(pos)
local rot = 0
if node.param2 == 2 then
rot = 12
elseif node.param2 == 3 then
rot = 4
elseif node.param2 == 4 then
rot = 0
elseif node.param2 == 5 then
rot = 8
end
meta:set_int("rotation_level", rot)
respawn_banner_entity(pos, node, true)
return true
else
return false
end
end,
})
-- for pattern_name, pattern in pairs(patterns) do
for colorid, colortab in pairs(mcl_banners.colors) do
for i, pattern_name in ipairs(pattern_names) do
local itemid = colortab[1]
local desc = colortab[2]
local wool = colortab[3]
local colorize = colortab[4]
local itemstring
if pattern_name == "" then
itemstring = "mcl_banners:banner_item_" .. itemid
else
itemstring = "mcl_banners:banner_preview" .. "_" .. pattern_name .. "_" .. itemid
end
local inv
local base
local finished_banner
if pattern_name == "" then
if colorize then
-- Base texture with base color
base = "mcl_banners_item_base.png^(mcl_banners_item_overlay.png^[colorize:"..colorize..")^[resize:32x32"
else
base = "mcl_banners_item_base.png^mcl_banners_item_overlay.png^[resize:32x32"
end
finished_banner = base
else
-- Banner item preview background
base = "mcl_banners_item_base.png^(mcl_banners_item_overlay.png^[colorize:#CCCCCC)^[resize:32x32"
desc = S("Preview Banner")
local pattern = "mcl_banners_" .. pattern_name .. ".png"
local color = colorize
-- Generate layer texture
-- TODO: The layer texture in the icon is squished
-- weirdly because the width/height aspect ratio of
-- the banner icon is 1:1.5, whereas the aspect ratio
-- of the banner entity is 1:2. A solution would be to
-- redraw the pattern textures as low-resolution pixel
-- art and use that instead.
local layer = "(([combine:20x40:-2,-2="..pattern.."^[resize:16x24^[colorize:"..color..":"..layer_ratio.."))"
function escape(text)
return text:gsub("%^", "\\%^"):gsub(":", "\\:") -- :gsub("%(", "\\%("):gsub("%)", "\\%)")
end
finished_banner = "[combine:32x32:0,0=" .. escape(base) .. ":8,4=" .. escape(layer)
end
inv = finished_banner
-- Banner items.
-- This is the player-visible banner item. It comes in 16 base colors with a lot of patterns.
-- The multiple items are really only needed for the different item images.
-- TODO: Combine the items into only 1 item.
local groups
if pattern_name == "" then
groups = { banner = 1, deco_block = 1, flammable = -1 }
else
groups = { not_in_creative_inventory = 1 }
end
minetest.register_craftitem(itemstring, {
description = desc,
_tt_help = S("Paintable decoration"),
_doc_items_create_entry = false,
inventory_image = inv,
wield_image = inv,
-- Banner group groups together the banner items, but not the nodes.
-- Used for crafting.
groups = groups,
stack_max = 16,
on_place = function(itemstack, placer, pointed_thing)
local above = pointed_thing.above
local under = pointed_thing.under
local node_under = minetest.get_node(under)
if placer and not placer:get_player_control().sneak then
-- Use pointed node's on_rightclick function first, if present
if minetest.registered_nodes[node_under.name] and minetest.registered_nodes[node_under.name].on_rightclick then
return minetest.registered_nodes[node_under.name].on_rightclick(under, node_under, placer, itemstack) or itemstack
end
if minetest.get_modpath("mcl_cauldrons") then
-- Use banner on cauldron to remove the top-most layer. This reduces the water level by 1.
local new_node
if node_under.name == "mcl_cauldrons:cauldron_3" then
new_node = "mcl_cauldrons:cauldron_2"
elseif node_under.name == "mcl_cauldrons:cauldron_2" then
new_node = "mcl_cauldrons:cauldron_1"
elseif node_under.name == "mcl_cauldrons:cauldron_1" then
new_node = "mcl_cauldrons:cauldron"
elseif node_under.name == "mcl_cauldrons:cauldron_3r" then
new_node = "mcl_cauldrons:cauldron_2r"
elseif node_under.name == "mcl_cauldrons:cauldron_2r" then
new_node = "mcl_cauldrons:cauldron_1r"
elseif node_under.name == "mcl_cauldrons:cauldron_1r" then
new_node = "mcl_cauldrons:cauldron"
end
if new_node then
local imeta = itemstack:get_meta()
local layers_raw = imeta:get_string("layers")
local layers = minetest.deserialize(layers_raw)
if type(layers) == "table" and #layers > 0 then
table.remove(layers)
imeta:set_string("layers", minetest.serialize(layers))
local newdesc = mcl_banners.make_advanced_banner_description(itemstack:get_definition().description, layers)
local mname = imeta:get_string("name")
-- Don't change description if item has a name
if mname == "" then
imeta:set_string("description", newdesc)
end
end
-- Washing off reduces the water level by 1.
-- (It is possible to waste water if the banner had 0 layers.)
minetest.set_node(pointed_thing.under, {name=new_node})
-- Play sound (from mcl_potions mod)
minetest.sound_play("mcl_potions_bottle_pour", {pos=pointed_thing.under, gain=0.5, max_hear_range=16}, true)
return itemstack
end
end
end
-- Place the node!
local hanging = false
-- Standing or hanging banner. The placement rules are enforced by the node definitions
local _, success = minetest.item_place_node(ItemStack("mcl_banners:standing_banner"), placer, pointed_thing)
if not success then
-- Forbidden on ceiling
if pointed_thing.under.y ~= pointed_thing.above.y then
return itemstack
end
_, success = minetest.item_place_node(ItemStack("mcl_banners:hanging_banner"), placer, pointed_thing)
if not success then
return itemstack
end
hanging = true
end
local place_pos
if minetest.registered_nodes[node_under.name].buildable_to then
place_pos = under
else
place_pos = above
end
local bnode = minetest.get_node(place_pos)
if bnode.name ~= "mcl_banners:standing_banner" and bnode.name ~= "mcl_banners:hanging_banner" then
minetest.log("error", "[mcl_banners] The placed banner node is not what the mod expected!")
return itemstack
end
local meta = minetest.get_meta(place_pos)
local inv = meta:get_inventory()
inv:set_size("banner", 1)
local store_stack = ItemStack(itemstack)
store_stack:set_count(1)
inv:set_stack("banner", 1, store_stack)
-- Spawn entity
local entity_place_pos
if hanging then
entity_place_pos = vector.add(place_pos, hanging_banner_entity_offset)
else
entity_place_pos = vector.add(place_pos, standing_banner_entity_offset)
end
local banner_entity = spawn_banner_entity(entity_place_pos, hanging, itemstack)
-- Set rotation
local final_yaw, rotation_level
if hanging then
local pdir = vector.direction(pointed_thing.under, pointed_thing.above)
final_yaw = minetest.dir_to_yaw(pdir)
if pdir.x > 0 then
rotation_level = 4
elseif pdir.z > 0 then
rotation_level = 8
elseif pdir.x < 0 then
rotation_level = 12
else
rotation_level = 0
end
else
-- Determine the rotation based on player's yaw
local yaw = placer:get_look_horizontal()
-- Select one of 16 possible rotations (0-15)
rotation_level = round((yaw / (math.pi*2)) * 16)
if rotation_level >= 16 then
rotation_level = 0
end
final_yaw = rotation_level_to_yaw(rotation_level)
end
meta:set_int("rotation_level", rotation_level)
if banner_entity then
banner_entity:set_yaw(final_yaw)
end
if not minetest.is_creative_enabled(placer:get_player_name()) then
itemstack:take_item()
end
minetest.sound_play({name="default_place_node_hard", gain=1.0}, {pos = place_pos}, true)
return itemstack
end,
_mcl_generate_description = function(itemstack)
local meta = itemstack:get_meta()
local layers_raw = meta:get_string("layers")
if not layers_raw then
return nil
end
local layers = minetest.deserialize(layers_raw)
local desc = itemstack:get_definition().description
local newdesc = mcl_banners.make_advanced_banner_description(desc, layers)
meta:set_string("description", newdesc)
return newdesc
end,
})
if mod_mcl_core and minetest.get_modpath("mcl_wool") and pattern_name == "" then
minetest.register_craft({
output = itemstring,
recipe = {
{ wool, wool, wool },
{ wool, wool, wool },
{ "", "mcl_core:stick", "" },
}
})
end
if mod_doc then
-- Add item to node alias
doc.add_entry_alias("nodes", "mcl_banners:standing_banner", "craftitems", itemstring)
end
end
end
if mod_doc then
-- Add item to node alias
doc.add_entry_alias("nodes", "mcl_banners:standing_banner", "nodes", "mcl_banners:hanging_banner")
end
-- Banner entities.
local entity_standing = {
physical = false,
collide_with_objects = false,
visual = "mesh",
mesh = "amc_banner.b3d",
visual_size = { x=2.499, y=2.499 },
textures = make_banner_texture(),
pointable = false,
_base_color = nil, -- base color of banner
_layers = nil, -- table of layers painted over the base color.
-- This is a table of tables with each table having the following fields:
-- color: layer color ID (see colors table above)
-- pattern: name of pattern (see list above)
get_staticdata = function(self)
local out = { _base_color = self._base_color, _layers = self._layers, _name = self._name }
return minetest.serialize(out)
end,
on_activate = function(self, staticdata)
if staticdata and staticdata ~= "" then
local inp = minetest.deserialize(staticdata)
self._base_color = inp._base_color
self._layers = inp._layers
self._name = inp._name
self.object:set_properties({
textures = make_banner_texture(self._base_color, self._layers),
})
end
-- Make banner slowly swing
self.object:set_animation({x=0, y=80}, 25)
self.object:set_armor_groups({immortal=1})
end,
-- Set the banner textures. This function can be used by external mods.
-- Meaning of parameters:
-- * self: Lua entity reference to entity.
-- * other parameters: Same meaning as in make_banner_texture
_set_textures = function(self, base_color, layers)
if base_color then
self._base_color = base_color
end
if layers then
self._layers = layers
end
self.object:set_properties({textures = make_banner_texture(self._base_color, self._layers)})
end,
}
minetest.register_entity("mcl_banners:standing_banner", entity_standing)
local entity_hanging = table.copy(entity_standing)
entity_hanging.mesh = "amc_banner_hanging.b3d"
minetest.register_entity("mcl_banners:hanging_banner", entity_hanging)
-- FIXME: Prevent entity destruction by /clearobjects
minetest.register_lbm({
label = "Respawn banner entities",
name = "mcl_banners:respawn_entities",
run_at_every_load = true,
nodenames = {"mcl_banners:standing_banner", "mcl_banners:hanging_banner"},
action = function(pos, node)
respawn_banner_entity(pos, node)
end,
})
minetest.register_craft({
type = "fuel",
recipe = "group:banner",
burntime = 15,
})