Roblox Product Presentation Deck
July 2018, 29 slides
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building amazing with and | Roblox
who i am atom | Roblox
agenda mobile chat big problems solutions a | Roblox
mobile chat | Roblox
mobile chat product goals rebuild using game engine based on success of and the editor as | Roblox
mobile chat engineering goals testing for improve quality of code company wide open source | Roblox
key challenges | Roblox
testing is easy you just have to do it no for code at has but it not very current state of the art outside busted mocha chai ginkgo go cargo test rust | Roblox
state management lots of code wants to read write data networking user interaction everything needs to agree on what that data is we use the term ownership to describe this idea popular solutions outside redux angular | Roblox
dynamic it hard to keep data in sync with simple values like currency are easy lists and grids of items are hard | Roblox
major paradigms | Roblox
retained mode represented by persistent objects changes are performed by setting properties hello there general text general | Roblox
retained mode | Roblox
immediate mode represented by code called every frame is the gold standard can have performance problems hello there general text hello there text general | Roblox
immediate mode foo list foo list | Roblox
techniques for outside retained mode flash framework by used in grand theft auto declarative framework by used in battlefield | Roblox
solutions testing state management dynamic | Roblox
unit testing behavior driven development framework runs inside via normal and core scripts also runs inside lemur which we use on travis | Roblox
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state management based on redux created by dan three principles single source of truth for all is read only is defined by pure functions known as reducers can be implemented in only lines of | Roblox
redux in lines | Roblox
create a reducer action type increment then create a store subscribe to state changes dispatch actions | Roblox
dynamic create components to represent pieces of components receive state and return description of actually updates your objects tries to emulate immediate mode without giving up retained mode performance | Roblox
hello define a handy alias local describe our local nil label text make our real mount | Roblox
alias surprise local component create children combine everything | Roblox
describe data local items name of doom name health potion create local inventory items items local handle mount update data and table insert items name super health potion inventory items items handle | Roblox
resources twitter | Roblox
a | Roblox
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