61 lines
6.7 KiB
Plaintext
61 lines
6.7 KiB
Plaintext
[video output=day445 member=cmuratori stream_platform=twitch stream_username=handmade_hero project=code title="Cleaning Up Entity Creation" vod_platform=youtube id=hhrb6g2OPLI annotator=Miblo]
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[0:01][Recap and set the stage for the day, laying out rooms in a constraint- or evaluation-based manner][:"graph topology" :"procedural generation" :speech]
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[7:12][Toggle off superfluous test code in GenerateLightingPattern()][:lighting :rendering]
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[9:26][:Run the game to see that we load up faster][:lighting :performance :rendering]
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[9:49][Toggle off the existing test world generation code in CreateWorld()][:"procedural generation"]
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[11:10][Begin to implement gen_connection][:"data structure" :"graph topology" :"procedural generation"]
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[13:16][The distinction between Database and Winged-Edge :"Data Structure", with a recommendation to read 'Transaction Processing' by Jim Gray[ref
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author="Jim Gray and Andreas Reuter"
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title="Transaction Processing: Concepts and Techniques"
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isbn=9781558601901]][:"data structure" :speech]
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[17:44][Spec out gen_room_connection as a linked list of connections to a single room][:"data structure" :"graph topology" :"procedural generation"]
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[20:04][Spec out gen_connection itself as a linked list of its two connected rooms, with gen_room_connection as a linked list of these connections][:"data structure" :"graph topology" :"procedural generation"]
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[22:10][Implement this more verbose version, introducing AddConnection() for Connect() to call, and making GenRoom() link up the rooms][:"data structure" :"graph topology" :"procedural generation"]
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[28:46][Implement GenerateWorld(), and GenerateRoom() to do the old work of AddStandardRoom()][:"procedural generation"]
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[41:31][Make GenerateRoom() call BeginWorldChange() and EndWorldChange(), and begin to systematise the :"entity system" inside the world generator working off a sim_region, respecifying BeginEntity() and EndEntity() as AddEntity() and PlaceEntity()][:"procedural generation"]
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[58:52][Relieve EndSim() and EndWorldChange() of taking the World, and create handmade_room_gen.cpp][:"entity system" :"procedural generation"]
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[1:02:16][Disable transparency compositing in GNOME 3][:admin]
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[1:03:34][Pull the entity creation code from handmade_world_gen.cpp into handmade_room_gen.cpp][:"entity system"]
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[1:06:24][Add TempMemory to the world_generator struct for GenerateRoom() to use, and setup the room's position and dimensions for entity :simulation purposes][:"entity system" :memory :"procedural generation"]
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[1:15:45][Enable AddPlayer() to create a player entity, calling AddEntity() directly on the SimRegion][:"entity system" :"procedural generation"]
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[1:19:10][Implement Layout(), initially stamping down rooms in a row][:"procedural generation"]
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[1:25:43][Make CreateWorld() initialise the :camera position, introducing gen_result struct]
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[1:30:55][:Run the game to see nothing]
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[1:31:45][Step through CreateWorld() into GenerateRoom() and beyond to see what happens][:"procedural generation" :run]
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[1:36:19][Make GenerateRoom() place its :camera entity]
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[1:41:01][:Run the game to see that we're getting further, but have no entities][:camera]
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[1:43:37][Make UpdateAndRenderWorld() outline the screen, sim region and world sim bounds][:"debug visualisation"]
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[1:43:59][:Run the game to see that the sim region is not in our starting area][:"debug visualisation"]
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[1:44:14][Enable CreateWorld() to set the StandardRoomDimension][:"procedural generation"]
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[1:45:37][:Run the game to see our world][:"procedural generation"]
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[1:47:24][Introduce gen_volume for gen_room and gen_connection to contain, and specify the geographical location of connections, introducing IsInVolume()][:"procedural generation"]
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[1:53:31][Hardcode Layout() to knock out connection holes in the rooms][:"procedural generation"]
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[1:56:25][:Run the game to see a partial knockout][:"procedural generation"]
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[1:56:46][Enable GenerateRoom() to colour the connections][:"debug visualisation" :"procedural generation"]
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[1:59:01][:Run the game to see the colour][:"debug visualisation"]
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[1:59:22][Fix GenerateRoom() to enable IsInVolume() to test the correct tiles][:"procedural generation"]
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[1:59:41][:Run the game to see our full knockouts with working :camera][:"procedural generation"]
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[2:01:00][Q&A][:speech]
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[2:01:23][@frostyninja][Q: Can you please fix EndWorldgen?]
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[2:01:36][Make EndWorldgen() clear the TempMemoryClear()]
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[2:02:06][@frostyninja][Q: The capitalisation]
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[2:02:07][Rename EndWorldgen() to EndWorldGen()]
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[2:02:21][@officer_kkona][@handmade_hero What is "internal" used for in C? Is it like the opposite of "extern" in C++?][:language]
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[2:03:37][@danzaidan][Q: Should the light calculation always be stuck to the :camera or something else?][:lighting :rendering]
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[2:04:50][@vaualbus][Q: By the way in some C++ header there is a definition of internal so your code would not work if any C++ file get included. I'm happy with that, it prevent us from get mad][:language]
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[2:05:20][@myrcene][Q: What function is :camera using to interpolate between two positions right now? Bezier curve? expf?]
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[2:07:13][@danzaidan][Q: How much of the world gen can be done in this pass and how much would depend on more gameplay exploration stuff?][:"procedural generation"]
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[2:09:38][@sahfortv][Q: Why does the color of the room go as it does without :lighting, rather than going black?][:rendering]
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[2:10:10][Compare the :lighting with and without the moonlight][:programming :rendering :run]
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[2:11:10][@garryjohanson][Q: Just want to randomly suggest transactional processing as a topic for some future off-topic stream]
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[2:11:18][@jamoflaw][Q: Will there be specific locations in the world - I saw you mention an orphanage yesterday - and if so how will they be handled in a generated world?][:"procedural generation"]
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[2:11:45][@naysayer88][Q: How long would it take me to get up to speed on 4coder if I decide to, like, switch off the hell that is emacs?]
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[2:17:06][@vateferfout][Q: Is there a reason you don't use __forceinline?][:language]
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[2:17:58][@pythno][Q: Can you go over the architecture of how to generate the rooms (like with this generic config) briefly again?][:"graph topology" :"procedural generation"]
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[2:18:44][@naysayer88][@cmuratori Streaming Today would be Very Doubtful]
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[2:19:00][@nxsy][Q: I think they meant the unlit part. The plain diffuse / albedo bit][:lighting :rendering]
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[2:19:41][@stormblaz][@handmade_hero Can you start optimizing your code as you go or when you reach major milestones, or do you need to wait for near-completion to optimize your code, and make sure you don't have useless coding lines bulking up?][:optimisation]
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[2:23:21][@sahfortv][Q: Maybe something for next week, but can you make the boundary wall heights equal?][:"procedural generation"]
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[2:23:33][Close out][:speech]
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[/video]
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