ResinFire

Two changes for Valheim's fireplaces: two braziers burn resin instead of coal, and five fire pieces keep themselves fuelled from your storage.

Features

1. Resin braziers

Piece	Prefab	Before	After
Hanging Brazier	piece_brazierceiling01	Coal	Resin
Standing Brazier	piece_brazierfloor01	Coal	Resin

• Works on braziers that are already built (leave the area and come back, or restart) and on new ones.
• Coal is no longer accepted by these two pieces — resin becomes their only fuel.
• One resin still equals one fuel unit, so burn time is unchanged; you just farm resin instead of coal.
• The fuel item is configurable: set FuelItem = Coal to go back to vanilla.

2. Self-refilling fires

These five pieces pull fuel out of any container within 30 meters and top themselves up:

Piece	Prefab	What it pulls
Hanging Brazier	piece_brazierceiling01	Resin
Standing Brazier	piece_brazierfloor01	Resin
Sconce (wall torch)	piece_sconce	whatever it burns
Standing iron torch	piece_groundtorch	whatever it burns
Standing wood torch	piece_groundtorchwood	whatever it burns

• Each piece pulls its own fuel item, so the braziers take resin while torches keep taking wood — torches do not need their fuel changed.
• Refill tops the piece up to its maximum in one go, then waits until it burns some down again.
• Fires the player switched off are left alone; only burning ones are refuelled.
• Containers a player currently has open are skipped for that pass (they are owned by the client) and picked up on a later check.
• Chests, carts and any other Container count; it is a 3D distance, so a chest one floor up still works.

3. Everything is configurable

BepInEx/config/snowfarm.valheim.resinfire.cfg

Section	Key	Default	Meaning
1 - General	Enabled	true	Master switch
2 - Fuel	FuelItem	Resin	Item the FuelPrefabs burn (Coal = vanilla)
2 - Fuel	FuelPrefabs	piece_brazierceiling01,piece_brazierfloor01	Pieces whose fuel type is replaced
3 - Auto refill	RefillPrefabs	piece_brazierceiling01,piece_brazierfloor01,piece_sconce,piece_groundtorch,piece_groundtorchwood	Pieces that refill themselves
3 - Auto refill	Radius	30	Container search radius, meters
3 - Auto refill	Interval	5	Seconds between refill checks

The two lists are independent: you can run only the fuel change, only the auto refill, or both, on any mix of pieces.

Other prefab ids you may want:

Piece	Prefab
Blue Standing Brazier	piece_brazierfloor02
Standing torch, blue / green	piece_groundtorchblue / piece_groundtorchgreen
Iron Fire Pit (burns wood)	piece_firepit_iron

Install

• Install BepInExPack Valheim (r2modman handles it).
• Drop ResinFire.dll into BepInEx/plugins/.
• Install on the server and on the clients. The refill loop runs on the server; clients need the same data so fuel icons and hover text match.

Performance

There is no Update() and no per-frame patch. A coroutine runs once every Interval seconds on the server: it compares each covered fire against loaded containers by squared distance, and only scans inventory slots for containers inside the radius. With dozens of fires and hundreds of containers this is well under a millisecond per pass.

Compatibility and safety

• Only the pieces in the two lists are touched. Campfires, hearths, fire pits, bonfires, lanterns and every modded piece are unaffected.
• Purely runtime: nothing is written to the world file, so uninstalling restores vanilla behaviour (braziers accept coal again, refilling stops).
• The Iron Fire Pit burns wood and its prefab id does not resolve through ZNetScene.GetPrefab in 1.0, so it is not a default target.
• Works alongside build/placement mods; no dependencies besides BepInEx.

中文说明

功能一：两个火盆改烧树脂。 吊盆火炉（piece_brazierceiling01）和火盆（piece_brazierfloor01） 原本烧煤，现在改烧树脂，煤加不进去了。已经摆好的火盆重进区域后自动生效，不用拆。燃烧时长不变 （1 树脂 = 1 燃料单位）。

功能二：五个建筑自动补燃料。 上面两个火盆，加上壁挂火把（piece_sconce）、立式铁火炬 （piece_groundtorch）、立式木火炬（piece_groundtorchwood），每 5 秒从 30 米内的箱子/储物建筑里 取燃料补满，不用再手动加。

• 每个建筑取自己烧的那种燃料：火盆取树脂，木火炬取木头。
• 玩家手动关掉的火盆不会被补（尊重开关）。
• 正被玩家打开的箱子那一轮跳过，下一轮再取。
• 只影响列表里的建筑，营火/壁炉/火坑/篝火/灯笼都不动。
• 纯运行时改动，卸载后立即恢复原版行为，不污染存档。

配置里可以改燃料种类、两个列表、搜索半径和检查间隔；铁火盆（烧木头、prefab id 在 1.0 里查不到） 默认不处理，蓝色立式火盆 piece_brazierfloor02 想加也可以自己填进列表。

Build

dotnet build -c Release -p:ValheimDir="C:\Program Files (x86)\Steam\steamapps\common\Valheim"

or run pack.ps1 to build and produce ResinFire.zip for Thunderstore.