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Optimized Lists. Added pool.added and .removed. Added entity:ensure

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This commit is contained in:
Justin van der Leij 2018-10-02 21:52:23 +02:00
parent e2b7af87fd
commit 11255fd722
7 changed files with 104 additions and 48 deletions
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28
lib/entity.lua
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@ -22,6 +22,12 @@ function Entity.new()
return e
end
local function give(e, component, ...)
local comp = component:__initialize(...)
e.components[component] = comp
e[component] = comp
end
--- Gives an Entity a component with values.
-- @param component The Component to add
-- @param ... The values passed to the Component
@ -31,9 +37,25 @@ function Entity:give(component, ...)
error("bad argument #1 to 'Entity:give' (Component expected, got "..type(component)..")", 2)
end
local comp = component:__initialize(...)
self.components[component] = comp
self[component] = comp
if self[component] then
self:remove(component):apply()
end
give(self, component, ...)
return self
end
function Entity:ensure(component, ...)
if not Type.isComponent(component) then
error("bad argument #1 to 'Entity:ensure' (Component expected, got "..type(component)..")", 2)
end
if self[component] then
return self
end
give(self, component, ...)
return self
end