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-rw-r--r--honey/ecs.lua23
1 files changed, 7 insertions, 16 deletions
diff --git a/honey/ecs.lua b/honey/ecs.lua
index ef5d6cb..69feb12 100644
--- a/honey/ecs.lua
+++ b/honey/ecs.lua
@@ -60,27 +60,18 @@ function EntityDb.addComponent(self, id, name, value)
-- create the relevant component table if it doesn't exist
if not self.components[name] then
- self.components[name] = { count=0 }
+ self.components[name] = { count=0, data={} }
end
local component = self.components[name]
- component[id] = value
+ component.data[id] = value
component.count = component.count + 1
end
-local function shallowCopy(tbl)
- local copy = {}
- for k, v in pairs(tbl) do copy[k] = v end
- return copy
-end
-
-
-- get all entities with a given component
function EntityDb.queryComponent(self, name)
- local query = shallowCopy(self.components[name])
- query.count = nil
- return query
+ return self.components[name].data
end
@@ -89,7 +80,7 @@ function EntityDb.queryEntity(self, id)
self:checkIsValid(id)
local query = {}
for name, component in pairs(self.components) do
- query[name] = component[id]
+ query[name] = component.data[id]
end
return query
end
@@ -98,7 +89,7 @@ end
-- get a specific component from an entity
function EntityDb.getComponent(self, id, name)
self:checkIsValid(id)
- return self.components[name][id]
+ return self.components[name].data[id]
end
@@ -106,8 +97,8 @@ end
function EntityDb.removeComponent(self, id, name)
self:checkIsValid(id)
local component = self.components[name]
- if component[id] ~= nil then
- component[id] = nil
+ if component.data[id] ~= nil then
+ component.data[id] = nil
component.count = component.count - 1
if component.count == 0 then
self.components[name] = nil