Merge pull request #422 from MihailRis/base-loot-property
Add base:loot property
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commit
7132bb0758
@ -213,3 +213,39 @@ User properties must be declared in `pack:config/user-props.toml` file:
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```
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Example: [user properties of pack **base**](../../res/content/base/config/user-props.toml).
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## Properties introduced by the `base` pack
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### *base:durability*
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The time it takes to break a block without tools or effects, measured in seconds.
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### Loot - *base:loot*
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A list of tables with properties:
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```json
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{
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"item": "pack:item",
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"min": 1,
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"max": 3,
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"chance": 0.5
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}
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```
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- `count` defaults to 1. It does not need to be specified if `min` and `max` are provided.
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- `min`, `max` - the minimum and maximum quantity of the item.
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- `chance` - the probability of the item dropping. Defaults to 1.0.
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It should be noted that the `item` refers specifically to the item. That is, to specify the item of a block, you need to add `.item` after the block name.
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Example: `base:dirt.item`.
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To generate loot, the function `block_loot(block_id: int)` in the `base:util` module should be used.
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## Methods
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Methods are used to manage the overwriting of properties when extending a block with other packs.
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### `property_name@append`
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Adds elements to the end of the list instead of completely overwriting it.
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@ -224,3 +224,39 @@
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```
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Пример: [пользовательские свойства пака **base**](../../res/content/base/config/user-props.toml).
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## Свойства, вводимые паком `base`
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### Прочность - *base:durability*
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Время разрушения блока без инструментов и эффектов в секундах.
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### Лут - *base:loot*
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Список таблиц со свойствами:
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```json
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{
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"item": "пак:предмет",
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"min": 1,
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"max": 3,
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"chance": 0.5
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}
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```
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- count равен 1 по-умолчанию. Не нужно указывать если указаны `min` и `max`.
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- min, max - минимальное и максимальное количество предмета.
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- chance - вероятность выпадения предмета. По-умолчанию: 1.0.
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Следует учитывать, что в item указывается именно предмет. Т.е. чтобы указать предмет блока, нужно добавить `.item` после имени блока.
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Пример: `base:dirt.item`.
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Для генерации лута следует использовать функцию `block_loot(block_id: int)` в модуле `base:util`.
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## Методы
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Методы используются для управлением перезаписью свойств при расширении блока другими паками.
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### `имя_свойства@append`
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Добавляет элементы в конец списка, вместо его полной перезаписи.
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@ -9,5 +9,6 @@
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"grounded": true,
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"model": "X",
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"hitbox": [0.15, 0.0, 0.15, 0.7, 0.7, 0.7],
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"base:durability": 0.0
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"base:durability": 0.0,
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"base:loot": []
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}
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@ -8,5 +8,8 @@
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"grass_side",
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"grass_side"
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],
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"base:durability": 1.3
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"base:durability": 1.3,
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"base:loot": [
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{"item": "base:dirt.item"}
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]
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}
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@ -1 +1,2 @@
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"base:durability" = {}
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"base:loot" = {}
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@ -11,4 +11,34 @@ function util.drop(ppos, itemid, count, pickup_delay)
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}})
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end
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local function calc_loot(loot_table)
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local results = {}
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for _, loot in ipairs(loot_table) do
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local chance = loot.chance or 1
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local count = loot.count or 1
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local roll = math.random()
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if roll < chance then
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if loot.min and loot.max then
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count = math.random(loot.min, loot.max)
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end
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if count == 0 then
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goto continue
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end
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table.insert(results, {item=item.index(loot.item), count=count})
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end
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::continue::
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end
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return results
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end
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function util.block_loot(blockid)
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local lootscheme = block.properties[blockid]["base:loot"]
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if lootscheme then
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return calc_loot(lootscheme)
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end
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return {{item=block.get_picking_item(blockid), count=1}}
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end
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return util
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@ -11,4 +11,6 @@ function on_block_broken(id, x, y, z, playerid)
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spawn_spread={0.4, 0.4, 0.4}
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})
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end
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rules.create("do-loot-non-player", true)
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end
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@ -93,8 +93,8 @@ std::unique_ptr<Content> ContentBuilder::build() {
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def->rt.surfaceReplacement = content->blocks.require(def->surfaceReplacement).rt.id;
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if (def->properties == nullptr) {
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def->properties = dv::object();
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def->properties["name"] = def->name;
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}
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def->properties["name"] = def->name;
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}
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for (ItemDef* def : itemDefsIndices) {
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@ -187,11 +187,49 @@ static void perform_user_block_fields(
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layout = StructLayout::create(fields);
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}
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static void process_method(
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dv::value& properties,
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const std::string& method,
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const std::string& name,
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const dv::value& value
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) {
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if (method == "append") {
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if (!properties.has(name)) {
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properties[name] = dv::list();
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}
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auto& list = properties[name];
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if (value.isList()) {
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for (const auto& item : value) {
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list.add(item);
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}
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} else {
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list.add(value);
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}
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} else {
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throw std::runtime_error(
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"unknown method " + method + " for " + name
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);
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}
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}
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void ContentLoader::loadBlock(
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Block& def, const std::string& name, const fs::path& file
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) {
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auto root = files::read_json(file);
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def.properties = root;
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if (def.properties == nullptr) {
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def.properties = dv::object();
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def.properties["name"] = name;
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}
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for (auto& [key, value] : root.asObject()) {
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auto pos = key.rfind('@');
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if (pos == std::string::npos) {
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def.properties[key] = value;
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continue;
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}
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auto field = key.substr(0, pos);
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auto suffix = key.substr(pos + 1);
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process_method(def.properties, suffix, field, value);
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}
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if (root.has("parent")) {
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const auto& parentName = root["parent"].asString();
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