Overview#
Glenn's Gases is a survival-focused mod that adds a layer of realism and danger to Minecraft's underground. It introduces various gases that can be toxic, flammable, or explosive. Players must use specialized equipment like lanterns and respirators to survive gas-filled caves, and can eventually harness these gases for power and processing using a complex piping and machinery system. The mod is built upon the Gases Framework, which provides the core API for gas physics and interactions.
Gas Types and Properties#
Gases in this mod have unique properties including density (rising or sinking), visibility, and effects on the environment or players.
| Gas Name | Density | Properties | Effects |
|---|---|---|---|
| Steam | Rising | Produced by water meeting lava. | Deals high contact damage; obscures vision. |
| Coal Dust | Sinking | Released when mining Coal Ore. | Highly explosive; causes 'Black Lung' (suffocation). |
| Chlorine Gas | Sinking | Greenish tint. | Toxic; rusts iron armor and tools; turns iron ore into rusted iron. |
| Natural Gas | Rising | Colorless/Odorless. | Flammable; found in large underground pockets. |
| Red Gas | Rising | Red tint. | Extremely explosive; found in deep pockets. |
| Nitrous Gas | Rising | Yellowish tint. | Non-explosive but dangerous; reacts with water to form Acidic Vapour. |
| Acidic Vapour | Sinking | Corrosive mist. | Deals rapid damage to players and entities. |
| Void Gas | Sinking | Dark/Black. | Found near Bedrock; causes blindness and heavy damage. |
| Electric Gas | Rising | Blue/Sparking. | Found in the Nether; shocks and damages nearby entities. |
| Corrosive Gas | Sinking | Purple tint. | Found in the Nether; slowly dissolves blocks with low hardness. |
| Black Damp | Sinking | Colorless. | Suffocating mixture that replaces air in low areas. |
| Helium | Rising | Colorless. | Suffocates players; makes mob sounds high-pitched and funny. |
| Iocalfaeus | Neutral | Rare gas. | Used in advanced ore refining processes. |
| Smoke | Rising | Grey. | Produced by fire and furnaces; causes suffocation in enclosed spaces. |
Core Mechanics#
Gas Physics
Gases behave like fluids but with varying densities. Rising gases will accumulate against ceilings, while sinking gases will pool in pits and tunnels. Gases spread from high concentration to low concentration until they dissipate or fill a space.
Combustion and Explosions
Exposing flammable gases (like Natural Gas) or explosive gases (like Red Gas or Coal Dust) to an open flame will cause an immediate reaction.
- Torches: Placing a torch in a gas-filled room is the most common cause of accidental explosions.
- Fire: Any fire block or 'Ignited Gas' will trigger a chain reaction.
- Pipes: If a pipe containing explosive gas is destroyed by an explosion, it can cause a chain reaction through the entire piping network.
Suffocation and Toxicity
Most gases are unbreathable. Standing in a gas cloud without protection will deplete your air meter faster than water and eventually deal suffocation damage. Specific gases like Chlorine or Acidic Vapour deal direct damage or status effects like Blindness and Slowness.
Blocks and Machinery#
Piping System
To move and use gases, players must construct a piping network.
- Gas Pipe: The basic transport block. Available in Iron (high pressure tolerance), Glass (transparent, high tolerance), and Poor Man's (low tolerance, made of wood/cobble).
- Gas Collector: Sucks in gas from the surrounding 1-block radius and pushes it into connected pipes.
- Gas Pump (Propeller): Essential for long-distance transport. It provides pressure to move gas through pipes. Each pump has a 'Pressure Tolerance' (e.g., 15 blocks for Iron) before another pump is needed.
- Gas Tank: Stores large quantities of a single gas type. Can be used to fill Gas Bottles.
Utility Blocks
- Gas Furnace: A high-efficiency furnace that runs on flammable gases. It features a unique Temperature Mechanic: as it smelts, it heats up, increasing smelting speed significantly while maintaining the same gas consumption rate.
- Gas Dynamo: Converts flammable gases into Redstone Flux (RF) for use with other mods.
- Gas Vent: Safely releases gas from a pipe system into the atmosphere.
- Gas Sensor: Outputs a redstone signal when a specific gas is detected in front of it.
Items and Equipment#
Survival Gear
- Lanterns: The only safe way to light gas-rich caves. They come in three types: Torch Lantern (dimmer), Gas Lantern (bright, uses gas bottles), and Glowstone Lantern (permanent full brightness).
- Primitive Respirator: A basic mask that prevents suffocation and slowness. It is repaired using Coal on an anvil.
- Advanced Respirator: Protects against all gas effects, including vision impairment (blindness).
- Gas Filter: Consumable item used to craft or repair respirators.
Tools
- Gas Sampler: Used to 'sample' a gas block. Once a sample is taken, the sampler can be placed inside a Gas Pump to act as a filter (Including or Excluding).
- Gas Bottle: Used to collect gas from tanks or the world for use in lanterns or furnaces.
- Gas Detector: A handheld tool that beeps when pointed toward a specific gas type within a 10-block range.
- Wrench: Used to rotate pipes and machinery.
Crafting Recipes#
While recipes may vary slightly by version, the standard patterns are as follows:
| Item | Recipe Pattern | Materials |
|---|---|---|
| Lantern (Empty) | I G I / I. I / I I I |
Iron Ingot (I), Glass Pane (G) |
| Iron Gas Pipe | I G I / ... / I G I |
Iron Ingot (I), Glass Pane (G) |
| Primitive Respirator | W G W / I. I / W I W |
Wool (W), Glass (G), Iron (I) |
| Gas Filter | I C I / W I W / I C I |
Iron (I), Coal (C), Wool (W) |
| Gas Collector | I P I / I. I / I I I |
Iron (I), Gas Pipe (P) |
| Gas Bottle | . G. / G. G / . G. |
Glass (G) |
Note: Use a Lantern + Torch/Gas Bottle/Glowstone in a crafting grid to create a functional Lantern.
World Generation#
The mod modifies world generation to include Gas Pockets. These are hollow spheres or clusters found deep underground (typically below Y=47).
- Overworld: Contains Natural Gas, Red Gas, Chlorine, and Nitrous Gas pockets.
- The Nether: Features Electric Gas and Corrosive Gas clouds.
- The End: May contain Void Gas or Whispering Fog.
- Bedrock Layer: Void Gas naturally generates near the bottom of the world.
- Mining: Mining Coal Ore has a configurable chance to release a cloud of Coal Dust.
Configuration#
The mod's behavior can be heavily customized via gases.cfg and gasesFramework.cfg:
- Gas Spread Speed: Controls how fast gases move and expand.
- Explosion Power: Adjusts the multiplier for gas-related explosions.
- World Gen Frequency: Change how often gas pockets appear per chunk.
- Ignition Blocks: A list of block IDs that can ignite gas (default includes Torches, Fire, and Lava).
- Rustable Armor: Define which armor sets (e.g., Iron, Chainmail) are affected by Chlorine Gas.
