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Added type checking

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This commit is contained in:
Justin van der Leij 2018-04-07 01:42:00 +02:00
parent fda6cd7237
commit 281bb53a5b
7 changed files with 101 additions and 8 deletions
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55
concord/instance.lua
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@ -1,6 +1,9 @@
local PATH = (...):gsub('%.[^%.]+$', '')
local List = require(PATH..".list")
local Entity = require(PATH..".entity")
local System = require(PATH..".system")
local Type = require(PATH..".type")
local List = require(PATH..".list")
local Instance = {}
Instance.__index = Instance
@ -13,6 +16,8 @@ function Instance.new()
systems = List(),
events = {},
removed = {},
__isInstance = true,
}, Instance)
return instance
@ -22,6 +27,10 @@ end
-- @param e The Entity to add
-- @return self
function Instance:addEntity(e)
if not Type.isEntity(e) then
error("bad argument #1 to 'Instance:addEntity' (Entity expected, got "..type(e)..")", 2)
end
e.instances:add(self)
self.entities:add(e)
self:checkEntity(e)
@ -33,6 +42,10 @@ end
-- @param e The Entity to check
-- @return self
function Instance:checkEntity(e)
if not Type.isEntity(e) then
error("bad argument #1 to 'Instance:checkEntity' (Entity expected, got "..type(e)..")", 2)
end
for i = 1, self.systems.size do
self.systems:get(i):__check(e)
end
@ -44,6 +57,10 @@ end
-- @param e The Entity to mark
-- @return self
function Instance:removeEntity(e)
if not Type.isEntity(e) then
error("bad argument #1 to 'Instance:removeEntity' (Entity expected, got "..type(e)..")", 2)
end
self.removed[#self.removed + 1] = e
return self
@ -77,6 +94,10 @@ end
-- @param enabled If the system is enabled. Defaults to true
-- @return self
function Instance:addSystem(system, eventName, callback, enabled)
if not Type.isSystem(system) then
error("bad argument #1 to 'Instance:addSystem' (System expected, got "..type(system)..")", 2)
end
if system.__instance and system.__instance ~= self then
error("System already in instance '" ..tostring(system.__instance).."'")
end
@ -106,6 +127,10 @@ end
-- @param callback The callback it was registered with. Defaults to eventName
-- @return self
function Instance:enableSystem(system, eventName, callback)
if not Type.isSystem(system) then
error("bad argument #1 to 'Instance:enableSystem' (System expected, got "..type(system)..")", 2)
end
return self:setSystem(system, eventName, callback, true)
end
@ -115,6 +140,10 @@ end
-- @param callback The callback it was registered with. Defaults to eventName
-- @return self
function Instance:disableSystem(system, eventName, callback)
if not Type.isSystem(system) then
error("bad argument #1 to 'Instance:disableSystem' (System expected, got "..type(system)..")", 2)
end
return self:setSystem(system, eventName, callback, false)
end
@ -125,17 +154,23 @@ end
-- @param enable The state to set it to
-- @return self
function Instance:setSystem(system, eventName, callback, enable)
if not Type.isSystem(system) then
error("bad argument #1 to 'Instance:setSystem' (System expected, got "..type(system)..")", 2)
end
callback = callback or eventName
local listeners = self.events[eventName]
if callback then
local listeners = self.events[eventName]
if listeners then
for i = 1, #listeners do
local listener = listeners[i]
if listeners then
for i = 1, #listeners do
local listener = listeners[i]
if listener.system == system and listener.callback == callback then
listener.enabled = enable
break
if listener.system == system and listener.callback == callback then
listener.enabled = enable
break
end
end
end
end
@ -148,6 +183,10 @@ end
-- @param ... Parameters passed to listeners
-- @return self
function Instance:emit(eventName, ...)
if not eventName or type(eventName) ~= "string" then
error("bad argument #1 to 'Instance:emit' (String expected, got "..type(eventName)..")")
end
self:flush()
local listeners = self.events[eventName]