Here's the code, it's basically the data-updates.lua code. I changed all references to base game functions/variables to ensure nothing conflicted with the base game (aside form the actual icons I'm trying to replace), though it probably doesn't matter.
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-- data-updates.lua code for GraphicsMod
-- This auto-generates barrel items and fill/empty recipes for every fluid defined that doesn't have "auto_barrel = false".
-- The technology the barrel unlocks will be added to
local technology_name = "fluid-handling"
-- The base empty barrel item
local empty_newbarrel_name = "empty-barrel"
-- Item icon masks
local newbarrel_side_mask = "__GraphicsMod__/graphics/icons/fluid/barreling/barrel-side-mask.png"
local newbarrel_hoop_top_mask = "__GraphicsMod__/graphics/icons/fluid/barreling/barrel-hoop-top-mask.png"
-- Recipe icon masks
local newbarrel_empty_side_mask = "__GraphicsMod__/graphics/icons/fluid/barreling/barrel-empty-side-mask.png"
local newbarrel_empty_top_mask = "__GraphicsMod__/graphics/icons/fluid/barreling/barrel-empty-top-mask.png"
local newbarrel_fill_side_mask = "__GraphicsMod__/graphics/icons/fluid/barreling/barrel-fill-side-mask.png"
local newbarrel_fill_top_mask = "__GraphicsMod__/graphics/icons/fluid/barreling/barrel-fill-top-mask.png"
-- Alpha used for barrel masks
local side_alpha = 0.75
local top_hoop_alpha = 0.75
-- Fluid required per barrel recipe
local fluid_per_barrel = 50
-- Crafting energy per barrel fill recipe
local energy_per_fill = 0.2
-- Crafting energy per barrel empty recipe
local energy_per_empty = 0.2
local function get_technology(name)
local technologies = data.raw["technology"]
if technologies then
return technologies[name]
end
return nil
end
local function get_item(name)
local items = data.raw["item"]
if items then
return items[name]
end
return nil
end
local function get_recipes_for_newbarrel(name)
local recipes = data.raw["recipe"]
if recipes then
return recipes["fill-" .. name], recipes["empty-" .. name]
end
return nil
end
-- Generates the icons definition for a barrel item with the provided name and fluid definition using the provided empty barrel base icon
local function generate_newbarrel_item_icons(fluid, empty_newbarrel_item)
local side_tint = util.table.deepcopy(fluid.base_color)
side_tint.a = side_alpha
local top_hoop_tint = util.table.deepcopy(fluid.flow_color)
top_hoop_tint.a = top_hoop_alpha
return
{
{
icon = empty_newbarrel_item.icon
},
{
icon = newbarrel_side_mask,
tint = side_tint
},
{
icon = newbarrel_hoop_top_mask,
tint = top_hoop_tint
}
}
end
-- Generates a barrel item with the provided name and fluid definition using the provided empty barrel stack size
local function create_newbarrel_item(name, fluid, empty_newbarrel_item)
local result =
{
type = "item",
name = name,
localised_name = {"item-name.filled-barrel", fluid.localised_name or {"fluid-name." .. fluid.name}},
icons = generate_newbarrel_item_icons(fluid, empty_newbarrel_item),
icon_size = 32,
subgroup = "fill-barrel",
order = "b[" .. name .. "]",
stack_size = empty_newbarrel_item.stack_size
}
data:extend({result})
return result
end
local function get_or_create_newbarrel_item(name, fluid, empty_newbarrel_item)
local existing_item = get_item(name)
if existing_item then
return existing_item
end
return create_newbarrel_item(name, fluid, empty_newbarrel_item)
end
-- Generates the icons definition for a fill-barrel recipe with the provided barrel name and fluid definition
local function generate_fill_newbarrel_icons(fluid)
local side_tint = util.table.deepcopy(fluid.base_color)
side_tint.a = side_alpha
local top_hoop_tint = util.table.deepcopy(fluid.flow_color)
top_hoop_tint.a = top_hoop_alpha
local icons =kk
{
{
icon = "__GraphicsMod__/graphics/icons/fluid/barreling/barrel-fill.png",
icon_size = 32
},
{
icon = newbarrel_fill_side_mask,
icon_size = 32,
tint = side_tint
},
{
icon = newbarrel_fill_top_mask,
icon_size = 32,
tint = top_hoop_tint
}
}
if fluid.icon and fluid.icon_size then
table.insert(icons,
{
icon = fluid.icon,
icon_size = fluid.icon_size,
scale = 16.0 / fluid.icon_size, -- scale = 0.5 * 32 / icon_size simplified
shift = {4, -8}
}
)
elseif fluid.icons then
icons = util.combine_icons(icons, fluid.icons, {scale = 0.5, shift = {4, -8}})
end
return icons
end
-- Generates the icons definition for a empty-barrel recipe with the provided barrel name and fluid definition
local function generate_empty_newbarrel_icons(fluid)
local side_tint = util.table.deepcopy(fluid.base_color)
side_tint.a = side_alpha
local top_hoop_tint = util.table.deepcopy(fluid.flow_color)
top_hoop_tint.a = top_hoop_alpha
local icons =
{
{
icon = "__GraphicsMod__/graphics/icons/fluid/barreling/barrel-empty.png",
icon_size = 32
},
{
icon = newbarrel_empty_side_mask,
icon_size = 32,
tint = side_tint
},
{
icon = newbarrel_empty_top_mask,
icon_size = 32,
tint = top_hoop_tint
}
}
if fluid.icon and fluid.icon_size then
table.insert(icons,
{
icon = fluid.icon,
icon_size = fluid.icon_size,
scale = 16.0 / fluid.icon_size,
shift = {7, 8}
}
)
elseif fluid.icons then
icons = util.combine_icons(icons, fluid.icons, {scale = 0.5, shift = {7, 8}})
end
return icons
end
-- Creates a recipe to fill the provided barrel item with the provided fluid
local function create_fill_newbarrel_recipe(item, fluid)
local recipe =
{
type = "recipe",
name = "fill-" .. item.name,
localised_name = {"recipe-name.fill-barrel", fluid.localised_name or {"fluid-name." .. fluid.name}},
category = "crafting-with-fluid",
energy_required = energy_per_fill,
subgroup = "fill-barrel",
order = "b[fill-" .. item.name .. "]",
enabled = false,
icons = generate_fill_newbarrel_icons(fluid),
icon_size = 32,
ingredients =
{
{type = "fluid", name = fluid.name, amount = fluid_per_barrel, catalyst_amount = fluid_per_barrel},
{type = "item", name = empty_newbarrel_name, amount = 1, catalyst_amount = 1}
},
results=
{
{type = "item", name = item.name, amount = 1, catalyst_amount = 1}
},
allow_decomposition = false
}
data:extend({recipe})
return recipe
end
-- Creates a recipe to empty the provided full barrel item producing the provided fluid
local function create_empty_newbarrel_recipe(item, fluid)
local recipe =
{
type = "recipe",
name = "empty-" .. item.name,
localised_name = {"recipe-name.empty-filled-barrel", fluid.localised_name or {"fluid-name." .. fluid.name}},
category = "crafting-with-fluid",
energy_required = energy_per_empty,
subgroup = "empty-barrel",
order = "c[empty-" .. item.name .. "]",
enabled = false,
icons = generate_empty_newbarrel_icons(fluid),
icon_size = 32,
ingredients =
{
{type = "item", name = item.name, amount = 1, catalyst_amount = 1}
},
results=
{
{type = "fluid", name = fluid.name, amount = fluid_per_barrel, catalyst_amount = fluid_per_barrel},
{type = "item", name = empty_newbarrel_name, amount = 1, catalyst_amount = 1}
},
allow_decomposition = false
}
data:extend({recipe})
return recipe
end
local function get_or_create_newbarrel_recipes(item, fluid)
local fill_recipe, empty_recipe = get_recipes_for_newbarrel(item.name)
if not fill_recipe then
fill_recipe = create_fill_newbarrel_recipe(item, fluid)
end
if not empty_recipe then
empty_recipe = create_empty_newbarrel_recipe(item, fluid)
end
return fill_recipe, empty_recipe
end
-- Adds the provided barrel recipe and fill/empty recipes to the technology as recipe unlocks if they don't already exist
local function add_newbarrel_to_technology(fill_recipe, empty_recipe, technology)
local unlock_key = "unlock-recipe"
local effects = technology.effects
if not effects then
technology.effects = {}
effects = technology.effects
end
local add_fill_recipe = true
local add_empty_recipe = true
for k,v in pairs(effects) do
if k == unlock_key then
local recipe = v.recipe
if recipe == fill_recipe.name then
add_fill_recipe = false
elseif recipe == empty_recipe.name then
add_empty_recipe = false
end
end
end
if add_fill_recipe then
table.insert(effects, {type = unlock_key, recipe = fill_recipe.name})
end
if add_empty_recipe then
table.insert(effects, {type = unlock_key, recipe = empty_recipe.name})
end
end
local function log_newbarrel_error(string)
log("Auto barrel generation is disabled: " .. string .. ".")
end
local function can_process_fluids(fluids, technology, empty_newbarrel_item)
if not fluids then
log_newbarrel_error("there are no fluids")
return
end
if not technology then
log_newbarrel_error("the " .. technology_name .. " technology doesn't exist")
return
end
if not empty_newbarrel_item then
log_newbarrel_error("the " .. empty_newbarrel_name .. " item doesn't exist")
return
end
if not empty_newbarrel_item.icon then
log_newbarrel_error("the " .. empty_newbarrel_name .. " item singular-icon definition doesn't exist")
return
end
return true
end
local function process_newfluid(fluid, technology, empty_newbarrel_item)
-- Allow fluids to opt-out
if fluid.auto_barrel == false then return end
if not (fluid.icon or fluid.icons) then
log("Can't make barrel recipe for "..fluid.name..", it doesn't have any icon or icons.")
return
end
local barrel_name = fluid.name .. "-barrel"
-- check if a barrel already exists for this fluid if not - create one
local barrel_item = get_or_create_newbarrel_item(barrel_name, fluid, empty_newbarrel_item)
-- check if the barrel has a recipe if not - create one
local barrel_fill_recipe, barrel_empty_recipe = get_or_create_newbarrel_recipes(barrel_item, fluid)
-- check if the barrel recipe exists in the unlock list of the technology if not - add it
add_newbarrel_to_technology(barrel_fill_recipe, barrel_empty_recipe, technology)
end
local function process_newfluids(fluids, technology, empty_newbarrel_item)
if not can_process_fluids(fluids, technology, empty_newbarrel_item) then return end
for name, fluid in pairs(fluids) do
process_newfluid(fluid, technology, empty_newbarrel_item)
end
end
process_newfluids(data.raw["fluid"], get_technology(technology_name), get_item(empty_newbarrel_name))
I tried adding this code in a number of locations, and unless it was outside any defined function (or it created a syntax error), nothing would happen. So, I guess my code isn't actually running the functions I call. I used the same code I included in this post.
