Files
evolved.lua/evolved/registry.lua
2024-11-22 09:36:58 +07:00

145 lines
3.2 KiB
Lua

---@class evolved.registry
local registry = {}
---@class evolved.entity
---@field chunk? evolved.chunk
local evolved_entity_mt = {}
evolved_entity_mt.__index = evolved_entity_mt
---@class evolved.query
local evolved_query_mt = {}
evolved_query_mt.__index = evolved_query_mt
---@class evolved.chunk
---@field entities evolved.entity[]
---@field components table<evolved.entity, any[]>
local evolved_chunk_mt = {}
evolved_chunk_mt.__index = evolved_chunk_mt
---
---
---
---
---
---@param chunk evolved.chunk
---@param fragment evolved.entity
---@return boolean
---@nodiscard
local function __chunk_has_fragment(chunk, fragment)
return chunk.components[fragment] ~= nil
end
---@param chunk evolved.chunk
---@param fragment evolved.entity
---@param ... evolved.entity
---@return boolean
---@nodiscard
local function __chunk_has_all_fragments(chunk, fragment, ...)
local components = chunk.components
if components[fragment] == nil then
return false
end
for i = 1, select('#', ...) do
if components[select(i, ...)] == nil then
return false
end
end
return true
end
---@param chunk evolved.chunk
---@param fragment evolved.entity
---@param ... evolved.entity
---@return boolean
---@nodiscard
local function __chunk_has_any_fragments(chunk, fragment, ...)
local components = chunk.components
if components[fragment] ~= nil then
return true
end
for i = 1, select('#', ...) do
if components[select(i, ...)] ~= nil then
return true
end
end
return false
end
---
---
---
---
---
---@return evolved.entity
---@nodiscard
function registry.entity() end
---@param entity evolved.entity
function registry.destroy(entity) end
---@param entity evolved.entity
---@param fragment evolved.entity
---@return any
---@nodiscard
function registry.get(entity, fragment) end
---@param entity evolved.entity
---@param fragment evolved.entity
---@return boolean
---@nodiscard
function registry.has(entity, fragment)
return entity.chunk ~= nil and __chunk_has_fragment(entity.chunk, fragment)
end
---@param entity evolved.entity
---@param fragment evolved.entity
---@param ... evolved.entity
---@return boolean
---@nodiscard
function registry.has_all(entity, fragment, ...)
return entity.chunk ~= nil and __chunk_has_all_fragments(entity.chunk, fragment, ...)
end
---@param entity evolved.entity
---@param fragment evolved.entity
---@param ... evolved.entity
---@return boolean
---@nodiscard
function registry.has_any(entity, fragment, ...)
return entity.chunk ~= nil and __chunk_has_any_fragments(entity.chunk, fragment, ...)
end
---@param entity evolved.entity
---@param fragment evolved.entity
---@param component any
function registry.assign(entity, fragment, component) end
---@param entity evolved.entity
---@param fragment evolved.entity
---@param component any
function registry.insert(entity, fragment, component) end
---@param entity evolved.entity
---@param fragment evolved.entity
function registry.remove(entity, fragment) end
---@param ... evolved.entity
---@return evolved.query
---@nodiscard
function registry.query(...) end
---@param query evolved.query
---@return fun(): evolved.chunk?
---@nodiscard
function registry.execute(query) end
return registry