Finishing Brains — Handmade Hero — Episode Guide

1:00Recap and set the stage for the day

2:41handmade_sim_region.cpp: Introduce GetOrAddBrain

7:15handmade_sim_region.cpp: Introduce a GetHashFromID for brain_id

9:03handmade_sim_region.cpp: Remove AddEntityRaw and inline AddEntity's functionality in BeginSim

11:44handmade_entity.h: Move struct brain in from handmade_sim_region.h, add an array of Parts to it, and introduce brain_hero_parts

16:28Run the game and find that nothing happens

16:49handmade_world_mode.cpp: Set the Head and Body for BrainHero in AddPlayer

17:41Run the game and spam the world with heroes

20:12Blackboard: ddP and the benefit of assigning accelerations before simulating them together

22:36handmade_entity.h: Add ddP to entity

23:48handmade_world_mode.cpp: Make the controller code in UpdateAndRenderWorld just get the controller that corresponds to the given hero

28:06handmade_world_mode.cpp: Be Mr Slypants Slypantsyman and base the ControllerIndex in UpdateAndRenderWorld on the Brain->ID.Value^α

29:43handmade_entity.h: Introduce reserved_brain_id

31:11handmade_world_mode.cpp: Make AddPlayer take BrainID and return void

33:09Run the game and find that we can change the hero's facing direction

33:44handmade_world_mode.cpp: Remove BrainID, ddP, dSword, dZ, Exited and DebugSpawn from controlled_hero in from handmade.h and make UpdateAndRenderWorld initialise them directly

38:20handmade.h: Add BraidID back to controlled_hero

41:00handmade_world_mode.cpp: #if 0 the Planted code in UpdateAndRenderWorld

42:20Debugger: Investigate how we got into Hopping mode without a CameFrom

47:06handmade_sim_region.cpp: Reenable and fix ConnectEntityPointers

48:29Debugger: Break into UpdateAndRenderWorld and investigate how Occupying is being set to 0

49:57Hunt this guy down before stopping^β

50:35handmade_sim_region.cpp: Make ConnectEntityPointers able to break on Entity->ID.Value 219

52:25handmade_world.cpp: Make PackEntityIntoChunk do the same for the Source

54:44handmade_world_mode.cpp: Make AddPlayer put the Body and Head in their correct BrainSlot

55:49handmade_entity.h: #define BrainSlotFor in order to name the slots using pointer arithmetic

1:00:25Rant on compiler vendors making programmers' lives difficult

1:01:32handmade_entity.h: Introduce BrainSlotFor_ to return a brain_slot

1:02:31Q&A

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1:02:31Q&A

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1:02:31Q&A

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1:02:48fr0styninja Can we have a look at the ctime stats so far?

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1:02:48fr0styninja Can we have a look at the ctime stats so far?

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1:02:48fr0styninja Can we have a look at the ctime stats so far?

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1:04:39dudeinbasement1 What will we do for the "production" Assert?

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1:04:39dudeinbasement1 What will we do for the "production" Assert?

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1:04:39dudeinbasement1 What will we do for the "production" Assert?

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1:04:56Miblo May this brain system allow for things like two characters carrying a felled tree between them, with both of their brains controlling the movement of the tree?

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1:04:56Miblo May this brain system allow for things like two characters carrying a felled tree between them, with both of their brains controlling the movement of the tree?

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1:04:56Miblo May this brain system allow for things like two characters carrying a felled tree between them, with both of their brains controlling the movement of the tree?

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1:07:56fr0styninja Try not to make the brains self-aware. We can't have stumpy over there taking over the world

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1:07:56fr0styninja Try not to make the brains self-aware. We can't have stumpy over there taking over the world

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1:07:56fr0styninja Try not to make the brains self-aware. We can't have stumpy over there taking over the world

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1:08:22thesizik For brain types, why not an enum for the array indexes?

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1:08:22thesizik For brain types, why not an enum for the array indexes?

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1:08:22thesizik For brain types, why not an enum for the array indexes?

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1:11:37josianmarriott How would you go about making game entities moddable?

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1:11:37josianmarriott How would you go about making game entities moddable?

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1:11:37josianmarriott How would you go about making game entities moddable?

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1:12:32josianmarriott I was thinking defining whole new types of entities

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1:12:32josianmarriott I was thinking defining whole new types of entities

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1:12:32josianmarriott I was thinking defining whole new types of entities

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1:14:20josianmarriott I guess there's no way to mitigate dll security concerns?

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1:14:20josianmarriott I guess there's no way to mitigate dll security concerns?

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1:14:20josianmarriott I guess there's no way to mitigate dll security concerns?

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1:16:00saticmotion So all the brain code is now in the switch(Brain->Type). How many brains do you expect to have? What if we have 100 brains, will you keep all the code there?

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1:16:00saticmotion So all the brain code is now in the switch(Brain->Type). How many brains do you expect to have? What if we have 100 brains, will you keep all the code there?

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1:16:00saticmotion So all the brain code is now in the switch(Brain->Type). How many brains do you expect to have? What if we have 100 brains, will you keep all the code there?

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1:16:38We are out of time

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1:16:38We are out of time

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1:16:38We are out of time

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