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Initial commit
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Ukendio
parent
0292574b5f
commit
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3 changed files with 202 additions and 157 deletions
2
.gitignore
vendored
2
.gitignore
vendored
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@ -53,7 +53,7 @@ WallyPatches
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# Misc
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roblox.toml
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sourcemap.json
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drafts/*.lua
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drafts/
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# Cached Vitepress (docs)
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151
src/init.luau
151
src/init.luau
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@ -1,4 +1,3 @@
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--!optimize 2
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--!native
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--!strict
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@ -17,6 +16,7 @@ type ArchetypeEdge = {
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remove: Archetype,
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}
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type Archetype = {
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id: number,
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edges: { [i53]: ArchetypeEdge },
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@ -669,6 +669,32 @@ do
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end
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end
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local world_has: () -> boolean
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do
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function world_has(world, entity_id, ...)
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local id = entity_id
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local record = world.entityIndex.sparse[id]
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if not record then
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return false
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end
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local archetype = record.archetype
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if not archetype then
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return false
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end
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local tr = archetype.records
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for i = 1, select("#", ...) do
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if not tr[select(i, ...)] then
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return false
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end
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end
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return true
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end
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end
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type Item = () -> (number, ...any)
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export type Query = typeof({
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__iter = function(): Item
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@ -678,8 +704,8 @@ export type Query = typeof({
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end,
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}) & {
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next: Item,
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replace: (Query, ...any) -> (),
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without: (Query) -> Query
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without: (Query) -> Query,
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replace: (Query, (...any) -> (...any)) -> ()
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}
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type CompatibleArchetype = { archetype: Archetype, indices: { number } }
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@ -704,29 +730,25 @@ do
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setmetatable(EmptyQuery, EmptyQuery)
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local indices: { { number } }
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local compatibleArchetypes: { Archetype }
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local length
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local components: { number }
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local queryLength: number
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local lastArchetype: number
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local archetype: Archetype
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local queryOutput: { any }
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local entities: {}
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local queryLength: number
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local entities: { number }
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local i: number
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local function world_query_next()
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local compatible_archetypes: { Archetype }
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local column_indices: { { number} }
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local ids: { number }
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local function world_query_next(): any
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local entityId = entities[i]
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while entityId == nil do
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lastArchetype += 1
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archetype = compatibleArchetypes[lastArchetype]
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archetype = compatible_archetypes[lastArchetype]
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if not archetype then
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return
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return nil
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end
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entities = archetype.entities
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i = #entities
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entityId = entities[i]
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@ -736,7 +758,7 @@ do
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i-=1
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local columns = archetype.columns
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local tr = indices[lastArchetype]
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local tr = column_indices[lastArchetype]
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if queryLength == 1 then
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return entityId, columns[tr[1]][row]
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@ -747,36 +769,56 @@ do
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elseif queryLength == 4 then
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return entityId, columns[tr[1]][row], columns[tr[2]][row], columns[tr[3]][row], columns[tr[4]][row]
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elseif queryLength == 5 then
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return entityId,columns[tr[1]][row], columns[tr[2]][row], columns[tr[3]][row], columns[tr[4]][row],
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return entityId,
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columns[tr[1]][row],
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columns[tr[2]][row],
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columns[tr[3]][row],
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columns[tr[4]][row],
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columns[tr[5]][row]
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elseif queryLength == 6 then
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return entityId, columns[tr[1]][row], columns[tr[2]][row], columns[tr[3]][row], columns[tr[4]][row],
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return entityId,
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columns[tr[1]][row],
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columns[tr[2]][row],
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columns[tr[3]][row],
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columns[tr[4]][row],
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columns[tr[5]][row],
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columns[tr[6]][row]
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elseif queryLength == 7 then
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return entityId, columns[tr[1]][row], columns[tr[2]][row], columns[tr[3]][row], columns[tr[4]][row],
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return entityId,
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columns[tr[1]][row],
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columns[tr[2]][row],
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columns[tr[3]][row],
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columns[tr[4]][row],
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columns[tr[5]][row],
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columns[tr[6]][row],
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columns[tr[7]][row]
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elseif queryLength == 8 then
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return entityId, columns[tr[1]][row], columns[tr[2]][row], columns[tr[3]][row], columns[tr[4]][row],
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return entityId,
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columns[tr[1]][row],
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columns[tr[2]][row],
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columns[tr[3]][row],
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columns[tr[4]][row],
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columns[tr[5]][row],
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columns[tr[6]][row],
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columns[tr[7]][row],
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columns[tr[8]][row]
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end
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for i in components do
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queryOutput[i] = columns[tr[i]][row]
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for j in ids do
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queryOutput[j] = columns[tr[j]][row]
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end
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return entityId, unpack(queryOutput, 1, queryLength)
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end
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local function world_query_without(self, ...): Query
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local function world_query_iter()
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return world_query_next
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end
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local function world_query_without(self, ...)
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local withoutComponents = { ... }
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for i = #compatibleArchetypes, 1, -1 do
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local archetype = compatibleArchetypes[i]
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for i = #compatible_archetypes, 1, -1 do
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local archetype = compatible_archetypes[i]
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local records = archetype.records
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local shouldRemove = false
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@ -788,35 +830,29 @@ do
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end
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if shouldRemove then
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table.remove(compatibleArchetypes, i)
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table.remove(compatible_archetypes, i)
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end
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end
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if #compatibleArchetypes == 0 then
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lastArchetype = 1
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archetype = compatible_archetypes[lastArchetype]
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if not archetype then
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return EmptyQuery
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end
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return self
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end
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local function world_query_iter()
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lastArchetype = 1
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archetype = compatibleArchetypes[1]
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entities = archetype.entities
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i = #entities
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return world_query_next
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end
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local function world_query_replace_values(row, columns, ...)
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for i, column in columns do
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column[row] = select(i, ...)
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end
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end
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local function world_query_replace(_, fn: any)
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for i, archetype in compatibleArchetypes do
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local tr = indices[i]
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local function world_query_replace(_, fn: (...any) -> (...any))
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for i, archetype in compatible_archetypes do
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local tr = column_indices[i]
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local columns = archetype.columns
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for row in archetype.entities do
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@ -855,28 +891,30 @@ do
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end
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end
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function world_query(world: World, ...: number): Query
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function world_query(world: World, ...: any): Query
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-- breaking?
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if (...) == nil then
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error("Missing components")
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end
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indices = {}
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compatibleArchetypes = {}
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length = 0
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components = { ... }
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local indices = {}
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local compatibleArchetypes = {}
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local length = 0
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local components = { ... } :: any
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local archetypes = world.archetypes
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local archetypes: { Archetype } = world.archetypes :: any
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local firstArchetypeMap: ArchetypeMap
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local componentIndex = world.componentIndex
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for _, componentId in components do
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local map: ArchetypeMap = componentIndex[componentId] :: any
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local map = componentIndex[componentId]
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if not map then
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return EmptyQuery
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end
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if (firstArchetypeMap :: any) == nil or firstArchetypeMap.size > map.size then
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if firstArchetypeMap == nil or map.size < firstArchetypeMap.size then
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firstArchetypeMap = map
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end
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end
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@ -885,7 +923,7 @@ do
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local compatibleArchetype = archetypes[id]
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local archetypeRecords = compatibleArchetype.records
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local records: { number } = {}
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local records = {}
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local skip = false
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for i, componentId in components do
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@ -907,15 +945,19 @@ do
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indices[length] = records
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end
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compatible_archetypes = compatibleArchetypes
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column_indices = indices
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ids = components
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lastArchetype = 1
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archetype = compatibleArchetypes[lastArchetype]
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archetype = compatible_archetypes[lastArchetype]
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if not archetype then
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return EmptyQuery
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end
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queryOutput = {}
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queryLength = #components
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queryLength = #ids
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entities = archetype.entities
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i = #entities
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@ -925,9 +967,11 @@ do
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next = world_query_next,
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without = world_query_without,
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replace = world_query_replace
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}
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} :: any
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return setmetatable(it, it) :: any
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setmetatable(it, it)
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return it
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end
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end
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@ -1077,6 +1121,7 @@ World.component = world_component
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World.add = world_add
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World.set = world_set
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World.get = world_get
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World.has = world_has
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World.target = world_target
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World.parent = world_parent
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@ -60,10 +60,9 @@ TEST("world", function()
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world:clear(e)
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CHECK(world:get(e, A) == nil)
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CHECK(world:get(e, B) == nil)
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end
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do CASE("iterator should not drain the query")
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do CASE("should drain query while iterating")
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local world = jecs.World.new() :: World
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local A = world:component()
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local B = world:component()
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@ -85,7 +84,8 @@ TEST("world", function()
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for _ in q do
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j+=1
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end
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CHECK(i == j)
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CHECK(i == 2)
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CHECK(j == 0)
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end
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do CASE("should be able to get next results")
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