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Sanity: Prequel
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A mod which adds sanity to Minecraft.
Designed to be spooky or terrifying, often including dark environments, scary monsters, and survival horror mechanics.
Includes a large focus on traversing worlds with enhanced world generation, structures, dungeons, and more for players to find unique loot.
Centers on surviving in harsh conditions, managing resources, and fending off PvE threats.
Includes gameplay or mechanics related to brewing systems, potions, or the transmutation of matter.
Includes aesthetic items like decoration, clothing, and visual effects.
Adds extra equipment such special items and accessories specifically using the Baubles or Curios mods.
Forge is a popular mod loader for versions 1.1+ of Minecraft.
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Must be installed on both the client and the server.
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About
Description
Introduction
Inspired by the Sanity: Descent Into Madness mod, players will gain some bad effects when in low sanity. Textures modified from Sanity: Descent Into Madness by croissantnova (consent). Sound effects provided by Zapsplat. Since version 1.3.3, you need Baubles mod as dependency. Since version 1.4.6, you need GeckoLib mod as dependency.
Content
This mod adds a garland, an umbrella, a potion of composure and shadow monster to the game. The following are their feature descriptions.
Garland
Each garland has 60 durability in total, use any small flowers to craft it. Water, fire, lightning, and explosion can lead to damage it while wearing on head. (Equipped in armor or baubles slot)
Umbrella
Holding an umbrella can prevent player from decreasing sanity and damaging garland by rain. Umbrella has 120 durability, which will damage from lightning, fire, explosion. And break or attack can also damage it. 
Potion
Add composure potion effect, which can recover 1 sanity every 40 >> amplifier ticks. Brew any small flowers with an regeneration potion.
Shadow Monster
Spawn near players with low sanity and chase them. It has extremely high health and speed, making it very difficult to defeat. Killing it can grant a large amount of sanity.
Features
Most feature support custom configurations. Turn to mod's config file for more information.
Effects
- Sanity < 75, players will experience auditory hallucinations. (support custom sound list)
- Sanity < 60, at the edges of things, red, green, and blue seem to be separated in your eyes.
- Sanity < 45, whispers can be heard and blood texture overlays on screen while sanity decreasing.
- Sanity < 30, brain overlay starts to shake and some ghosts will spawn around players. (support custom ghost list).
- Sanity < 15, shadow monster will spawn near the player, the world looks washed out…

Using potion of composure or morphine in First Aid mod grants temporary immunity to all negative effects. (except shadow monster)
Decrease Sanity
- Attack animals, villagers and other players.
- Eating bad foods such as carrion, raw meat, etc. (support custom items)
- Struck by lightning.
- Hunger.
- Thirst. (support Tough As Nails and SimpleDifficulty)
- Get hurt.
- Rain.
- Dark. (works when player doesn't have night vision effect)
- Being chased by monsters. (within 5 blocks)
- Around players with sanity < 20. (within 5 blocks)
- Food spoiled in inventory. (works with Food Spoiling)
- Choking.
- Change dimensions.
- Lost pets.
- Trapped in blocks like web and water. (support custom blocks)
Increase Sanity
- Sleep.
- Bred animals.
- Eating healthy foods. (support custom items)
- Wearing garland.
- Gain advancements.
- Complete quests. (support FTB Quests)
- Stay with pets. (within 5 blocks)
- Around players with sanity > 50. (within 5 blocks)
- Kill mobs.
- Composure effect.
- Campfire. (works with Pyrotech)
Commands
Using commands need permission level 2. (support tab completion) 
Combat
All compatibility features will be enabled automatically when the mod is installed.
Botania
Add a new type of botania brew called Composure, which players can brew it in the Botanical Brewery. Using it grants effects of Composure II (1:00).
CraftTweaker
Add a ZenExpansion for IPlayer (sanity), which can return player's sanity value as float. And you can also use it to modify a player's sanity value like this:player.sanity += 2.5. Developers can call this method on any IPlayer object, including its subtypes.
import crafttweaker.event.BlockHarvestDropsEvent;
events.onBlockHarvestDrops(function(event as BlockHarvestDropsEvent) {
if(!event.world.isRemote()) {
var id = event.block.definition.id;
if (id == "minecraft:red_flower" && event.player.sanity <= 10) {
event.drops = [<minecraft:deadbush> % 100];
}
}
});
This example script makes any small flowers drop a dead bush when broken by a player with sanity of 10 or less.
Nutrition
The player's average nutrition level affects the rate at which sanity increases or decreases. (support Nutrition Unofficial Extended Life and its forks version)
Thaumcraft 6
Warp in Thaumcraft 6 can affect player's max sanity. max = 100 - warp (permanent value and normal value, no more than 50)
About
Only the codebase has been open source under the Apache License 2.0, you can use, modify the code to port, distribute this mod under the license. Sound effects retain their respective license. All rights reserved for all other assets. And there are currently no plans to make a mod like this for a new Minecraft version.
Introduction
Inspired by the Sanity: Descent Into Madness mod, players will gain some bad effects when in low sanity. Textures modified from Sanity: Descent Into Madness by croissantnova (consent). Sound effects provided by Zapsplat. Since version 1.3.3, you need Baubles mod as dependency.
Content
This mod adds a garland, an umbrella, and a potion of composure to the game. The following are their feature descriptions.
Garland
Each garland has 60 durability in total, use any small flowers to craft it. Water, fire, lightning, and explosion can lead to damage it while wearing on head. (Equipped in armor or baubles slot)
Umbrella
Holding an umbrella can prevent player from decreasing sanity and damaging garland by rain. Umbrella has 120 durability, which will damage from lightning, fire, explosion. And break or attack can also damage it. 
Potion
Add composure potion effect, which can recover 1 sanity every 60 >> amplifier ticks. Brew any small flowers with an regeneration potion.
Features
Most feature support custom configurations. Turn to mod's config file for more information.
Effects
- Sanity < 60, at the edges of things, red, green, and blue seem to be separated in your eyes.
- Sanity < 55, blood texture flicker on the screen when sanity decrease.
- Sanity < 50, players will experience auditory hallucinations. (support custom sound list)
- Sanity < 45, players experiences hallucinations and will see ghosts. (support custom ghost list)
- Sanity < 40, brain overlay starts to shake.
- Sanity < 35, there are a grid of small dots lies in your eyes. The world looks washed out…
- Sanity < 30, whispers can be heard.
- Sanity < 10, game's graphics are even more distorted, with details barely legible.

Using potion of composure or morphine in First Aid mod grants temporary immunity to all negative effects.
Decrease Sanity
- Attack animals, villagers and other players.
- Eating bad foods such as carrion, raw meat, etc. (support custom items)
- Struck by lightning.
- Hunger.
- Thirst. (support Tough As Nails and SimpleDifficulty)
- Get hurt.
- Rain.
- Dark. (works when player doesn't have night vision effect)
- Around mobs. (within 5 blocks)
- Around players with sanity < 50. (within 5 blocks)
- Food spoiled in inventory. (works with Food Spoiling)
- Choking.
- Change dimensions.
- Lost pets.
- Trapped in blocks like web and water. (support custom blocks)
Increase Sanity
- Sleep.
- Bred animals.
- Eating healthy foods. (support custom items)
- Wearing garland.
- Gain advancements.
- Complete quests. (support FTB Quests)
- Stay with pets. (within 5 blocks)
- Around players with sanity ≥ 50. (within 5 blocks)
- Kill mobs.
- Composure effect.
- Campfire. (works with Pyrotech)
Commands
Using commands need permission level 2. (support tab completion)

Combat
All compatibility features will be enabled automatically when the mod is installed.
CraftTweaker
Add a ZenExpansion for IPlayer (sanity), which can return player's sanity value as float. And you can also use it to modify a player's sanity value like this:player.sanity += 2.5. Developers can call this method on any IPlayer object, including its subtypes.
import crafttweaker.event.BlockHarvestDropsEvent;
events.onBlockHarvestDrops(function(event as BlockHarvestDropsEvent) {
if(!event.world.isRemote()) {
var id = event.block.definition.id;
if (id == "minecraft:red_flower" && event.player.sanity <= 10) {
event.drops = [<minecraft:deadbush> % 100];
}
}
});
This example script makes any small flowers drop a dead bush when broken by a player with sanity of 10 or less.
Nutrition
The player's average nutrition level affects the rate at which sanity increases or decreases. (support Nutrition Unofficial Extended Life and its forks version)
Thaumcraft 6
Warp in Thaumcraft 6 can affect player's max sanity. max = 100 - warp (permanent value and normal value, no more than 50)
About
Only the codebase has been open source under the Apache License 2.0, you can use, modify the code to port, distribute this mod under the license. Sound effects retain their respective license. All rights reserved for all other assets. And there are currently no plans to make a mod like this for a new Minecraft version.
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