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production lines: resolve conveyor -> island placement mapping

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The recipe conveyors (game_conveyor_<product>_epb) are placed as named child GameObjects
in the island_* prefabs (islands_assets_all.bundle), NOT via energy_grid (power grid only)
or any config asset. New extractor bundle/extract_conveyor_placements.py walks every island
prefab and cross-references production_lines.json -> extracted/conveyor_placements.json.

Result: Factorio (energyRods, 80mmT3Cannon, contactGrenades, armorPiercingRocket),
Kaiserplatz (energyRods, 40mmT3Cannon), Demo_Wunderinsel (70mmT3Cannon), DeusExMashineSmall
(computingModules, coralDust), testIsland(+Tramplers) (the 4 base test conveyors).

Corrects the earlier "Armory = Sprengstofffabrik hosts explosives" guess: the
LittleFactory/LittleFactoryArmory islands place NO recipe conveyors; grenades/rockets are
on Factorio. Unplaced blueprints: explosiveSmall, mechanicalParts (+ the plural
armorPiercingRockets, whose singular-named instance is on Factorio).
This commit is contained in:
DownloadPizza
2026-06-11 19:38:13 +02:00
parent e4899b43e7
commit 8abe4bcecf
3 changed files with 628 additions and 13 deletions
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101
bundle/extract_conveyor_placements.py Normal file
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@@ -0,0 +1,101 @@
#!/usr/bin/env python3
"""Map each world island/location to the production-line conveyors placed on it.
The recipe-bearing conveyors (game_conveyor_<product>_epb) are placed as named child
GameObjects inside the island_* prefabs in islands_assets_all.bundle (NOT via energy_grid,
which is only the power grid, and NOT in any config/designed-environment asset). This walks
every island prefab's Transform hierarchy, collects the conveyor instances (with local
position), and cross-references each recipe conveyor against extracted/production_lines.json.
Writes extracted/conveyor_placements.json.
"""
import os, sys, json, UnityPy
BUNDLES = "/home/downloadpizza/sand_tools/bundles"
PL = "/home/downloadpizza/sand_tools/extracted/production_lines.json"
OUT = "/home/downloadpizza/sand_tools/extracted/conveyor_placements.json"
def walk(go, seen, out):
"""Yield (name, localPosition) for every descendant GameObject."""
for c in go.m_Components:
try:
co = c.read()
except Exception:
continue
if co.object_reader.type.name != "Transform":
continue
for ch in co.m_Children:
try:
tr = ch.read()
cgo = tr.m_GameObject.read()
except Exception:
continue
pid = cgo.object_reader.path_id
if pid in seen:
continue
seen.add(pid)
pos = getattr(tr, "m_LocalPosition", None)
xyz = [round(pos.x, 2), round(pos.y, 2), round(pos.z, 2)] if pos else None
out.append((getattr(cgo, "m_Name", "?"), xyz))
walk(cgo, seen, out)
def main():
pl = json.load(open(PL))["production_lines"]
env = UnityPy.load(os.path.join(BUNDLES, "islands_assets_all.bundle"))
islands = {p.split("/")[-1].replace(".prefab", ""): obj
for p, obj in env.container.items()
if obj.type.name == "GameObject" and p.split("/")[-1].startswith("island_")}
result = {}
placed_recipes = set()
for iname in sorted(islands):
acc = []
walk(islands[iname].read(), set(), acc)
recipe_conv = []
unmatched = []
infra = []
for name, pos in acc:
base = name.replace("_epb", "")
# product conveyors are game_conveyor_<product> (underscore); the slot/switch/
# out/in pieces are game_conveyorXxx (no underscore) = generic infrastructure.
if base.startswith("game_conveyor_"):
if base in pl:
recipe_conv.append({"conveyor": base, "pos": pos, "recipe": pl[base]})
placed_recipes.add(base)
else:
unmatched.append({"conveyor": base, "pos": pos}) # placed, no recipe key (name mismatch?)
elif name.startswith("game_conveyor"):
infra.append(name)
if recipe_conv or unmatched:
result[iname] = {"recipes": recipe_conv,
"product_conveyors_without_matching_recipe": unmatched,
"infrastructure": sorted(set(infra))}
unplaced = sorted(set(pl) - placed_recipes)
out = {
"_source": "islands_assets_all.bundle island_* prefab hierarchy "
"(game_conveyor_<product>_epb child GameObjects); recipes from production_lines.json",
"_unplaced_recipes": unplaced,
"islands": result,
}
json.dump(out, open(OUT, "w"), indent=1)
def fmt(r):
i = " + ".join("%sx %s" % (x["amount"], x["itemId"]) for x in r["inputs"])
o = " + ".join("%sx %s" % (x["amount"], x["itemId"]) for x in r["outputs"])
return "%s -> %s (%ss)" % (i, o, r["craftTimeSeconds"])
print("wrote %s\n" % OUT)
for iname, d in result.items():
print("### %s" % iname.replace("island_", ""))
for rc in d["recipes"]:
print(" %-34s %s" % (rc["conveyor"].replace("game_conveyor_", ""), fmt(rc["recipe"])))
for u in d["product_conveyors_without_matching_recipe"]:
print(" %-34s (placed, no recipe blueprint of this exact name)" % u["conveyor"].replace("game_conveyor_", ""))
print("\nrecipe blueprints NOT placed on any island:", unplaced)
if __name__ == "__main__":
main()

49
docs/PRODUCTION_LINES.md
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@@ -54,18 +54,41 @@ Key item ids seen here: `item_crystalHandles` = *Raw Aurogen Crystal*,
`extracted/items_registry.json` / `extracted/item_names.json` (built from `extracted/items_registry.json` / `extracted/item_names.json` (built from
`CheatItemDefinitionsData`). `CheatItemDefinitionsData`).
## Island placement — open lead ## Island placement — RESOLVED
Which factory/island runs which conveyor is grouped by the Each recipe conveyor is placed as a **named child GameObject** (`game_conveyor_<product>_epb`)
`energy_grid_*_epb.prefab` blueprints in the same bundle: in the `island_*` prefab's Transform hierarchy inside `islands_assets_all.bundle`. It is NOT
`Wunderinsel`, `Kaiserplatz`, `DeusExMachine`, `Factorio`, `LittleFactory1-3`, in the `energy_grid_*` blueprint (that holds only `EnergyGridDataComponent` — the power grid)
`LittleFactoryArmory1-3`, `TestFactory`. The **`…Armory`** groups are the likely and NOT in any config / designed-environment asset. Extract with:
**Sprengstofffabrik** (explosives factory) host for the explosive / grenade / rocket /
cannon conveyors.
**Not yet resolved:** an `energy_grid_*` blueprint's Odin data references its conveyors by ```bash
**entity reference, not item-id string** (a string scan of its serialized bytes finds no venv/bin/python bundle/extract_conveyor_placements.py # -> extracted/conveyor_placements.json
`game_conveyor_*` / `item_*` ids). So mapping recipe → specific island needs the **island ```
prefab placements** in `islands_assets_all.bundle` (the `island_*` / fort / `loc_event_*`
prefabs, where `Sprengstofffabrik` is an i2 `Toponyms/` name), not the conveyor or This walks every island prefab, collects the `game_conveyor_<product>` children (with local
energy_grid EPBs alone. That linkage is the next step if island attribution is wanted. position) and cross-references each against `production_lines.json`. Result for this build:
| Island | Recipe conveyors placed |
|---|---|
| `island_Factorio` | energyRods, 80mmT3Cannon, contactGrenades, armorPiercingRocket* |
| `island_Kaiserplatz` | energyRods, 40mmT3Cannon |
| `island_Demo_Wunderinsel` | 70mmT3Cannon |
| `island_DeusExMashineSmall` | computingModules, coralDust |
| `island_testIsland`, `island_testIslandTramplers` | the 4 `base*` conveyors (inv↔large test combos, incl. the `1x wineBox → 1000x coinCrown` one) |
Notes / corrections:
- The earlier guess that the **`…Armory` (Sprengstofffabrik)** islands host the explosive /
grenade / rocket conveyors is **not supported by the placements**: `island_LittleFactory01-03`
and `island_LittleFactoryArmory01-03` exist (each has an `energy_grid_*`) but place **no**
recipe conveyors at all. The grenade (`contactGrenades`) and rocket (`armorPiercingRocket`)
lines are on **Factorio**. Factorio is the main multi-product factory here.
- `*` Factorio's child is named `game_conveyor_armorPiercingRocket` (singular) while the recipe
blueprint is `game_conveyor_armorPiercingRockets` (plural) — a name mismatch; same line
(→ `3x item_rocketLauncherAmmoArmorPiercing`).
- Defined-but-**unplaced** recipe blueprints in this build: `armorPiercingRockets` (plural;
the singular instance is on Factorio), `explosiveSmall` (→ `5x item_c4Dynamite`),
`mechanicalParts` (→ `item_resourceMetal_t1`).
- Infrastructure conveyors (`game_conveyorSlotInput`, `…OutInventory`, `…OutLargeItem`,
`…InSwitch`) accompany the recipe ones on each factory island — these are the input/output
ports, not recipes (no underscore after `conveyor` = generic infra; `game_conveyor_<x>` =
recipe line).

491
extracted/conveyor_placements.json Normal file
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@@ -0,0 +1,491 @@
{
"_source": "islands_assets_all.bundle island_* prefab hierarchy (game_conveyor_<product>_epb child GameObjects); recipes from production_lines.json",
"_unplaced_recipes": [
"game_conveyor_armorPiercingRockets",
"game_conveyor_explosiveSmall",
"game_conveyor_mechanicalParts"
],
"islands": {
"island_Demo_Wunderinsel": {
"recipes": [
{
"conveyor": "game_conveyor_70mmT3Cannon",
"pos": [
-3.27,
-0.01,
-7.78
],
"recipe": {
"inputs": [
{
"itemId": "item_alloySteel",
"amount": 40
},
{
"itemId": "item_resourceMetal_t2",
"amount": 300
}
],
"outputs": [
{
"itemId": "game_packedShotgunTurretT3Container",
"amount": 1
}
],
"craftTimeSeconds": 55.0
}
}
],
"product_conveyors_without_matching_recipe": [],
"infrastructure": [
"game_conveyorInSwitch_epb",
"game_conveyorOutLargeItem_epb",
"game_conveyorSlot"
]
},
"island_DeusExMashineSmall": {
"recipes": [
{
"conveyor": "game_conveyor_computingModules",
"pos": [
19.04,
-0.34,
-11.85
],
"recipe": {
"inputs": [
{
"itemId": "item_blackBox",
"amount": 1
}
],
"outputs": [
{
"itemId": "item_resourceMetal_t3",
"amount": 10
}
],
"craftTimeSeconds": 7.0
}
},
{
"conveyor": "game_conveyor_coralDust",
"pos": [
0.9,
0.0,
3.2
],
"recipe": {
"inputs": [
{
"itemId": "item_resourceCoralPiece",
"amount": 1
}
],
"outputs": [
{
"itemId": "item_resourceCoralDust",
"amount": 10
},
{
"itemId": "item_resourceMetal_t1",
"amount": 2
}
],
"craftTimeSeconds": 5.0
}
}
],
"product_conveyors_without_matching_recipe": [],
"infrastructure": [
"game_conveyorInSwitch_epb",
"game_conveyorOutInventory_epb",
"game_conveyorSlotInput_epb"
]
},
"island_Factorio": {
"recipes": [
{
"conveyor": "game_conveyor_energyRods",
"pos": [
-10.25,
-3.44,
-0.51
],
"recipe": {
"inputs": [
{
"itemId": "item_crystalHandles",
"amount": 1
}
],
"outputs": [
{
"itemId": "item_energyBar",
"amount": 10
}
],
"craftTimeSeconds": 7.0
}
},
{
"conveyor": "game_conveyor_80mmT3Cannon",
"pos": [
3.49,
-3.45,
-7.43
],
"recipe": {
"inputs": [
{
"itemId": "item_alloySteel",
"amount": 40
},
{
"itemId": "item_resourceMetal_t2",
"amount": 300
}
],
"outputs": [
{
"itemId": "game_packedTurretT3Container",
"amount": 1
}
],
"craftTimeSeconds": 55.0
}
},
{
"conveyor": "game_conveyor_contactGrenades",
"pos": [
1.25,
3.52,
1.93
],
"recipe": {
"inputs": [
{
"itemId": "item_resourceFabric",
"amount": 10
},
{
"itemId": "item_resourceGunpowder",
"amount": 10
}
],
"outputs": [
{
"itemId": "item_grenadeContact",
"amount": 5
}
],
"craftTimeSeconds": 5.0
}
}
],
"product_conveyors_without_matching_recipe": [
{
"conveyor": "game_conveyor_armorPiercingRocket",
"pos": [
-8.05,
3.52,
-8.79
]
}
],
"infrastructure": [
"game_conveyorInSwitch_epb",
"game_conveyorOutInventory_epb",
"game_conveyorOutLargeItem_epb",
"game_conveyorSlot",
"game_conveyorSlotInput_epb"
]
},
"island_Kaiserplatz": {
"recipes": [
{
"conveyor": "game_conveyor_energyRods",
"pos": [
3.06,
0.05,
1.41
],
"recipe": {
"inputs": [
{
"itemId": "item_crystalHandles",
"amount": 1
}
],
"outputs": [
{
"itemId": "item_energyBar",
"amount": 10
}
],
"craftTimeSeconds": 7.0
}
},
{
"conveyor": "game_conveyor_40mmT3Cannon",
"pos": [
1.13,
0.05,
-6.21
],
"recipe": {
"inputs": [
{
"itemId": "item_alloySteel",
"amount": 40
},
{
"itemId": "item_resourceMetal_t2",
"amount": 300
}
],
"outputs": [
{
"itemId": "game_packedAutoTurretT3Container",
"amount": 1
}
],
"craftTimeSeconds": 55.0
}
}
],
"product_conveyors_without_matching_recipe": [],
"infrastructure": [
"game_conveyorInSwitch_epb",
"game_conveyorOutInventory_epb",
"game_conveyorOutLargeItem_epb",
"game_conveyorSlot",
"game_conveyorSlotInput_epb"
]
},
"island_testIsland": {
"recipes": [
{
"conveyor": "game_conveyor_baseInventoryToLarge",
"pos": [
0.0,
0.1,
0.0
],
"recipe": {
"inputs": [
{
"itemId": "item_resourceMetal_t1",
"amount": 1
},
{
"itemId": "item_c4Dynamite",
"amount": 1
}
],
"outputs": [
{
"itemId": "item_explosiveBig",
"amount": 1
}
],
"craftTimeSeconds": 15.0
}
},
{
"conveyor": "game_conveyor_baseInventoryToInventory",
"pos": [
-0.0,
0.0,
-6.0
],
"recipe": {
"inputs": [
{
"itemId": "item_resourceMetal_t1",
"amount": 1
}
],
"outputs": [
{
"itemId": "item_c4Dynamite",
"amount": 1
},
{
"itemId": "item_resourceMetal_t1",
"amount": 2
}
],
"craftTimeSeconds": 5.0
}
},
{
"conveyor": "game_conveyor_baseLargeToLarge",
"pos": [
7.0,
0.0,
0.0
],
"recipe": {
"inputs": [
{
"itemId": "item_wineBox",
"amount": 1
}
],
"outputs": [
{
"itemId": "item_explosiveBig",
"amount": 1
}
],
"craftTimeSeconds": 15.0
}
},
{
"conveyor": "game_conveyor_baseLargeToInventory",
"pos": [
5.0,
7.5,
-0.0
],
"recipe": {
"inputs": [
{
"itemId": "item_wineBox",
"amount": 1
}
],
"outputs": [
{
"itemId": "item_coinCrown",
"amount": 1000
}
],
"craftTimeSeconds": 15.0
}
}
],
"product_conveyors_without_matching_recipe": [],
"infrastructure": [
"game_conveyorInSwitch_epb",
"game_conveyorOutInventory_epb",
"game_conveyorOutLargeItem_epb",
"game_conveyorSlot",
"game_conveyorSlotInput_epb"
]
},
"island_testIslandTramplers": {
"recipes": [
{
"conveyor": "game_conveyor_baseInventoryToLarge",
"pos": [
0.0,
0.1,
0.0
],
"recipe": {
"inputs": [
{
"itemId": "item_resourceMetal_t1",
"amount": 1
},
{
"itemId": "item_c4Dynamite",
"amount": 1
}
],
"outputs": [
{
"itemId": "item_explosiveBig",
"amount": 1
}
],
"craftTimeSeconds": 15.0
}
},
{
"conveyor": "game_conveyor_baseInventoryToInventory",
"pos": [
-0.0,
0.0,
-6.0
],
"recipe": {
"inputs": [
{
"itemId": "item_resourceMetal_t1",
"amount": 1
}
],
"outputs": [
{
"itemId": "item_c4Dynamite",
"amount": 1
},
{
"itemId": "item_resourceMetal_t1",
"amount": 2
}
],
"craftTimeSeconds": 5.0
}
},
{
"conveyor": "game_conveyor_baseLargeToLarge",
"pos": [
7.0,
0.0,
0.0
],
"recipe": {
"inputs": [
{
"itemId": "item_wineBox",
"amount": 1
}
],
"outputs": [
{
"itemId": "item_explosiveBig",
"amount": 1
}
],
"craftTimeSeconds": 15.0
}
},
{
"conveyor": "game_conveyor_baseLargeToInventory",
"pos": [
5.0,
7.5,
-0.0
],
"recipe": {
"inputs": [
{
"itemId": "item_wineBox",
"amount": 1
}
],
"outputs": [
{
"itemId": "item_coinCrown",
"amount": 1000
}
],
"craftTimeSeconds": 15.0
}
}
],
"product_conveyors_without_matching_recipe": [],
"infrastructure": [
"game_conveyorInSwitch_epb",
"game_conveyorOutInventory_epb",
"game_conveyorOutLargeItem_epb",
"game_conveyorSlot",
"game_conveyorSlotInput_epb"
]
}
}
}