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mirror of https://github.com/Pumpkin-MC/Pumpkin synced 2025-08-11 21:33:00 +00:00
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Pumpkin/pumpkin-data/build/loot.rs
Alexander Medvedev f16d4a6247 Add Entity loot
not done, but works
2025-06-21 16:38:05 +02:00

512 lines
17 KiB
Rust

use std::collections::HashMap;
use proc_macro2::{Span, TokenStream};
use pumpkin_util::loot_table::LootNumberProviderTypes;
use quote::{ToTokens, quote};
use serde::Deserialize;
use syn::LitStr;
/// These are required to be defined twice because serde can't deseralize into static context for obvious reasons.
#[derive(Deserialize, Clone, Debug)]
pub struct LootTableStruct {
r#type: LootTableTypeStruct,
random_sequence: Option<String>,
pools: Option<Vec<LootPoolStruct>>,
}
impl ToTokens for LootTableStruct {
fn to_tokens(&self, tokens: &mut TokenStream) {
let loot_table_type = self.r#type.to_token_stream();
let random_sequence = match &self.random_sequence {
Some(seq) => quote! { Some(#seq) },
None => quote! { None },
};
let pools = match &self.pools {
Some(pools) => {
let pool_tokens: Vec<_> = pools.iter().map(|pool| pool.to_token_stream()).collect();
quote! { Some(&[#(#pool_tokens),*]) }
}
None => quote! { None },
};
tokens.extend(quote! {
LootTable {
r#type: #loot_table_type,
random_sequence: #random_sequence,
pools: #pools,
}
});
}
}
#[derive(Deserialize, Clone, Debug)]
pub struct LootPoolStruct {
entries: Vec<LootPoolEntryStruct>,
rolls: LootNumberProviderTypes, // TODO
bonus_rolls: f32,
}
impl ToTokens for LootPoolStruct {
fn to_tokens(&self, tokens: &mut TokenStream) {
let entries_tokens: Vec<_> = self
.entries
.iter()
.map(|entry| entry.to_token_stream())
.collect();
let rolls = &self.rolls;
let bonus_rolls = &self.bonus_rolls;
tokens.extend(quote! {
LootPool {
entries: &[#(#entries_tokens),*],
rolls: #rolls,
bonus_rolls: #bonus_rolls,
}
});
}
}
#[derive(Deserialize, Clone, Debug)]
pub struct ItemEntryStruct {
name: String,
}
impl ToTokens for ItemEntryStruct {
fn to_tokens(&self, tokens: &mut TokenStream) {
let name = LitStr::new(&self.name, Span::call_site());
tokens.extend(quote! {
ItemEntry {
name: #name,
}
});
}
}
#[derive(Deserialize, Clone, Debug)]
pub struct AlternativeEntryStruct {
children: Vec<LootPoolEntryStruct>,
}
impl ToTokens for AlternativeEntryStruct {
fn to_tokens(&self, tokens: &mut TokenStream) {
let children = self.children.iter().map(|entry| entry.to_token_stream());
tokens.extend(quote! {
AlternativeEntry {
children: &[#(#children),*],
}
});
}
}
#[derive(Deserialize, Clone, Debug)]
#[serde(tag = "type")]
pub enum LootPoolEntryTypesStruct {
#[serde(rename = "minecraft:empty")]
Empty,
#[serde(rename = "minecraft:item")]
Item(ItemEntryStruct),
#[serde(rename = "minecraft:loot_table")]
LootTable,
#[serde(rename = "minecraft:dynamic")]
Dynamic,
#[serde(rename = "minecraft:tag")]
Tag,
#[serde(rename = "minecraft:alternatives")]
Alternatives(AlternativeEntryStruct),
#[serde(rename = "minecraft:sequence")]
Sequence,
#[serde(rename = "minecraft:group")]
Group,
}
impl ToTokens for LootPoolEntryTypesStruct {
fn to_tokens(&self, tokens: &mut TokenStream) {
match self {
LootPoolEntryTypesStruct::Empty => {
tokens.extend(quote! { LootPoolEntryTypes::Empty });
}
LootPoolEntryTypesStruct::Item(item) => {
tokens.extend(quote! { LootPoolEntryTypes::Item(#item) });
}
LootPoolEntryTypesStruct::LootTable => {
tokens.extend(quote! { LootPoolEntryTypes::LootTable });
}
LootPoolEntryTypesStruct::Dynamic => {
tokens.extend(quote! { LootPoolEntryTypes::Dynamic });
}
LootPoolEntryTypesStruct::Tag => {
tokens.extend(quote! { LootPoolEntryTypes::Tag });
}
LootPoolEntryTypesStruct::Alternatives(alt) => {
tokens.extend(quote! { LootPoolEntryTypes::Alternatives(#alt) });
}
LootPoolEntryTypesStruct::Sequence => {
tokens.extend(quote! { LootPoolEntryTypes::Sequence });
}
LootPoolEntryTypesStruct::Group => {
tokens.extend(quote! { LootPoolEntryTypes::Group });
}
}
}
}
#[derive(Deserialize, Clone, Debug)]
#[serde(tag = "condition")]
pub enum LootConditionStruct {
#[serde(rename = "minecraft:inverted")]
Inverted,
#[serde(rename = "minecraft:any_of")]
AnyOf,
#[serde(rename = "minecraft:all_of")]
AllOf,
#[serde(rename = "minecraft:random_chance")]
RandomChance,
#[serde(rename = "minecraft:random_chance_with_enchanted_bonus")]
RandomChanceWithEnchantedBonus,
#[serde(rename = "minecraft:entity_properties")]
EntityProperties,
#[serde(rename = "minecraft:killed_by_player")]
KilledByPlayer,
#[serde(rename = "minecraft:entity_scores")]
EntityScores,
#[serde(rename = "minecraft:block_state_property")]
BlockStateProperty {
block: String,
properties: HashMap<String, String>,
},
#[serde(rename = "minecraft:match_tool")]
MatchTool,
#[serde(rename = "minecraft:table_bonus")]
TableBonus,
#[serde(rename = "minecraft:survives_explosion")]
SurvivesExplosion,
#[serde(rename = "minecraft:damage_source_properties")]
DamageSourceProperties,
#[serde(rename = "minecraft:location_check")]
LocationCheck,
#[serde(rename = "minecraft:weather_check")]
WeatherCheck,
#[serde(rename = "minecraft:reference")]
Reference,
#[serde(rename = "minecraft:time_check")]
TimeCheck,
#[serde(rename = "minecraft:value_check")]
ValueCheck,
#[serde(rename = "minecraft:enchantment_active_check")]
EnchantmentActiveCheck,
}
impl ToTokens for LootConditionStruct {
fn to_tokens(&self, tokens: &mut TokenStream) {
let name = match self {
LootConditionStruct::Inverted => quote! { LootCondition::Inverted },
LootConditionStruct::AnyOf => quote! { LootCondition::AnyOf },
LootConditionStruct::AllOf => quote! { LootCondition::AllOf },
LootConditionStruct::RandomChance => quote! { LootCondition::RandomChance },
LootConditionStruct::RandomChanceWithEnchantedBonus => {
quote! { LootCondition::RandomChanceWithEnchantedBonus }
}
LootConditionStruct::EntityProperties => quote! { LootCondition::EntityProperties },
LootConditionStruct::KilledByPlayer => quote! { LootCondition::KilledByPlayer },
LootConditionStruct::EntityScores => quote! { LootCondition::EntityScores },
LootConditionStruct::BlockStateProperty { block, properties } => {
let properties: Vec<_> = properties
.iter()
.map(|(k, v)| quote! { (#k, #v) })
.collect();
quote! { LootCondition::BlockStateProperty { block: #block, properties: &[#(#properties),*] } }
}
LootConditionStruct::MatchTool => quote! { LootCondition::MatchTool },
LootConditionStruct::TableBonus => quote! { LootCondition::TableBonus },
LootConditionStruct::SurvivesExplosion => quote! { LootCondition::SurvivesExplosion },
LootConditionStruct::DamageSourceProperties => {
quote! { LootCondition::DamageSourceProperties }
}
LootConditionStruct::LocationCheck => quote! { LootCondition::LocationCheck },
LootConditionStruct::WeatherCheck => quote! { LootCondition::WeatherCheck },
LootConditionStruct::Reference => quote! { LootCondition::Reference },
LootConditionStruct::TimeCheck => quote! { LootCondition::TimeCheck },
LootConditionStruct::ValueCheck => quote! { LootCondition::ValueCheck },
LootConditionStruct::EnchantmentActiveCheck => {
quote! { LootCondition::EnchantmentActiveCheck }
}
};
tokens.extend(name);
}
}
#[derive(Deserialize, Clone, Debug)]
pub struct LootFunctionStruct {
#[serde(flatten)]
content: LootFunctionTypesStruct,
conditions: Option<Vec<LootConditionStruct>>,
}
impl ToTokens for LootFunctionStruct {
fn to_tokens(&self, tokens: &mut TokenStream) {
let functions_tokens = &self.content.to_token_stream();
let conditions_tokens = match &self.conditions {
Some(conds) => {
let cond_tokens: Vec<_> = conds.iter().map(|c| c.to_token_stream()).collect();
quote! { Some(&[#(#cond_tokens),*]) }
}
None => quote! { None },
};
tokens.extend(quote! {
LootFunction {
content: #functions_tokens,
conditions: #conditions_tokens,
}
});
}
}
#[derive(Deserialize, Clone, Debug)]
#[serde(tag = "function")]
pub enum LootFunctionTypesStruct {
#[serde(rename = "minecraft:set_count")]
SetCount {
count: LootFunctionNumberProviderStruct,
add: Option<bool>,
},
#[serde(rename = "minecraft:enchanted_count_increase")]
EnchantedCountIncrease,
#[serde(rename = "minecraft:furnace_smelt")]
FurnaceSmelt,
#[serde(rename = "minecraft:set_potion")]
SetPotion,
#[serde(rename = "minecraft:set_ominous_bottle_amplifier")]
SetOminousBottleAmplifier,
#[serde(rename = "minecraft:limit_count")]
LimitCount { limit: LootFunctionLimitCountStruct },
#[serde(rename = "minecraft:apply_bonus")]
ApplyBonus {
enchantment: String,
formula: String,
parameters: Option<LootFunctionBonusParameterStruct>,
},
#[serde(rename = "minecraft:copy_components")]
CopyComponents {
source: String,
include: Vec<String>,
},
#[serde(rename = "minecraft:copy_state")]
CopyState {
block: String,
properties: Vec<String>,
},
#[serde(rename = "minecraft:explosion_decay")]
ExplosionDecay,
}
impl ToTokens for LootFunctionTypesStruct {
fn to_tokens(&self, tokens: &mut TokenStream) {
let name = match self {
LootFunctionTypesStruct::SetCount { count, add } => {
let count = count.to_token_stream();
let add = add.unwrap_or(false);
quote! { LootFunctionTypes::SetCount { count: #count, add: #add } }
}
LootFunctionTypesStruct::SetOminousBottleAmplifier => {
quote! { LootFunctionTypes::SetOminousBottleAmplifier }
}
LootFunctionTypesStruct::FurnaceSmelt => {
quote! { LootFunctionTypes::FurnaceSmelt }
}
LootFunctionTypesStruct::SetPotion => {
quote! { LootFunctionTypes::SetPotion }
}
LootFunctionTypesStruct::EnchantedCountIncrease => {
quote! { LootFunctionTypes::EnchantedCountIncrease }
}
LootFunctionTypesStruct::LimitCount { limit } => {
let min = match limit.min {
Some(min) => quote! { Some(#min) },
None => quote! { None },
};
let max = match limit.max {
Some(max) => quote! { Some(#max) },
None => quote! { None },
};
quote! { LootFunctionTypes::LimitCount { min: #min, max: #max } }
}
LootFunctionTypesStruct::ApplyBonus {
enchantment,
formula,
parameters,
} => {
let parameters = match parameters {
Some(params) => {
let params = params.to_token_stream();
quote! { Some(#params) }
}
None => quote! { None },
};
quote! {
LootFunctionTypes::ApplyBonus {
enchantment: #enchantment,
formula: #formula,
parameters: #parameters,
}
}
}
LootFunctionTypesStruct::CopyComponents { source, include } => {
quote! {
LootFunctionTypes::CopyComponents {
source: #source,
include: &[#(#include),*],
}
}
}
LootFunctionTypesStruct::CopyState { block, properties } => {
quote! {
LootFunctionTypes::CopyState {
block: #block,
properties: &[#(#properties),*],
}
}
}
LootFunctionTypesStruct::ExplosionDecay => {
quote! { LootFunctionTypes::ExplosionDecay }
}
};
tokens.extend(name);
}
}
#[derive(Deserialize, Clone, Debug)]
#[serde(tag = "type")]
pub enum LootFunctionNumberProviderStruct {
#[serde(rename = "minecraft:uniform")]
Uniform { min: f32, max: f32 },
#[serde(rename = "minecraft:binomial")]
Binomial { n: f32, p: f32 },
#[serde(rename = "minecraft:constant", untagged)]
Constant(f32),
}
impl ToTokens for LootFunctionNumberProviderStruct {
fn to_tokens(&self, tokens: &mut TokenStream) {
let name = match self {
Self::Constant(value) => {
quote! { LootFunctionNumberProvider::Constant { value: #value } }
}
Self::Uniform { min, max } => {
quote! { LootFunctionNumberProvider::Uniform { min: #min, max: #max } }
}
Self::Binomial { n, p } => {
quote! { LootFunctionNumberProvider::Binomial { n: #n, p: #p } }
}
};
tokens.extend(name);
}
}
#[derive(Deserialize, Clone, Debug)]
pub struct LootFunctionLimitCountStruct {
min: Option<f32>,
max: Option<f32>,
}
#[derive(Deserialize, Clone, Debug)]
#[serde(untagged)]
pub enum LootFunctionBonusParameterStruct {
Multiplier {
#[serde(rename = "bonusMultiplier")]
bonus_multiplier: i32,
},
Probability {
extra: i32,
probability: f32,
},
}
impl ToTokens for LootFunctionBonusParameterStruct {
fn to_tokens(&self, tokens: &mut TokenStream) {
let name = match self {
Self::Multiplier { bonus_multiplier } => {
quote! { LootFunctionBonusParameter::Multiplier { bonus_multiplier: #bonus_multiplier } }
}
Self::Probability { extra, probability } => {
quote! { LootFunctionBonusParameter::Probability { extra: #extra, probability: #probability } }
}
};
tokens.extend(name);
}
}
#[derive(Deserialize, Clone, Debug)]
pub struct LootPoolEntryStruct {
#[serde(flatten)]
content: LootPoolEntryTypesStruct,
conditions: Option<Vec<LootConditionStruct>>,
functions: Option<Vec<LootFunctionStruct>>,
}
impl ToTokens for LootPoolEntryStruct {
fn to_tokens(&self, tokens: &mut TokenStream) {
let content = &self.content;
let conditions_tokens = match &self.conditions {
Some(conds) => {
let cond_tokens: Vec<_> = conds.iter().map(|c| c.to_token_stream()).collect();
quote! { Some(&[#(#cond_tokens),*]) }
}
None => quote! { None },
};
let functions_tokens = match &self.functions {
Some(fns) => {
let cond_tokens: Vec<_> = fns.iter().map(|c| c.to_token_stream()).collect();
quote! { Some(&[#(#cond_tokens),*]) }
}
None => quote! { None },
};
tokens.extend(quote! {
LootPoolEntry {
content: #content,
conditions: #conditions_tokens,
functions: #functions_tokens,
}
});
}
}
#[derive(Deserialize, Clone, Debug)]
#[serde(rename = "snake_case")]
pub enum LootTableTypeStruct {
#[serde(rename = "minecraft:empty")]
/// Nothing will be dropped.
Empty,
#[serde(rename = "minecraft:entity")]
/// The Entity loot will be dropped.
Entity,
#[serde(rename = "minecraft:block")]
/// A block will be dropped.
Block,
#[serde(rename = "minecraft:chest")]
/// An item will be dropped.
Chest,
}
impl ToTokens for LootTableTypeStruct {
fn to_tokens(&self, tokens: &mut TokenStream) {
let name = match self {
LootTableTypeStruct::Empty => quote! { LootTableType::Empty },
LootTableTypeStruct::Entity => quote! { LootTableType::Entity },
LootTableTypeStruct::Block => quote! { LootTableType::Block },
LootTableTypeStruct::Chest => quote! { LootTableType::Chest },
};
tokens.extend(name);
}
}