2017-12-06 22:26:13 +00:00
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[video member=cmuratori stream_platform=twitch stream_username=handmade_hero project=code title="Moving Familiars" vod_platform=youtube id=DIssBI1JBz8 annotator=Miblo]
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[2:02][Recap and set the stage for the day]
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[5:22][handmade_entity.h: Add MovementMode_Floating to entity_movement_mode]
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[10:00][Consider where the delineation between MovementMode and Brain should be]
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[13:40][handmade_brain.cpp: Enable ExecuteBrain to make the Familiar occupy traversables and do transactional movement]
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[21:50][Debugger: Step into Type_brain_familiar in ExecuteBrain and investigate why the Familiar isn't moving]
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[24:40][handmade_sim_region.cpp: Make GetClosestTraversable set Entity.Index]
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[24:59][Run the game and see the Familiar move]
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[26:27][Blackboard: Proportional Derivative (and Integral) Controller]
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[30:31][handmade_brain.cpp: Make ExecuteBrain set a spring on the Familiar]
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[31:15][Run the game and see the spring in action]
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[35:11][handmade_brain.cpp: Introduce the notion of a TargetTraversable which the Familiar moves towards]
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[37:09][handmade_sim_region.cpp: Introduce IsOccupied]
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[38:50][Run the game and see that the Familiar follows us]
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[39:07][handmade_world_mode.cpp: Make AddStandardRoom randomly offset the grid points]
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[41:31][Run the game and see the irregular grid, with everyone able to function on it]
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[44:20][handmade_sim_region.cpp: Introduce GetClosestTraversableAlongRay]
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[46:39][handmade_brain.cpp: Make ExecuteBrain call GetClosestTraversableAlongRay for the Familiar]
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[49:04][Run the game and see that the Familiar is more stable]
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[50:20][handmade_sim_region.cpp: Add a TIMED_FUNCTION for GetClosestTraversable and GetClosestTraversableAlongRay]
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[51:06][Run the game and view the profiler]
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[52:43][build.bat: Temporarily switch to -O2 and then run the game and see how that affects our performance]
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[56:11][handmade_sim_region.cpp: Introduce GetClosestEntityWithBrain and closest_entity]
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[1:00:17][handmade_brain.cpp: Make ExecuteBrain call GetClosestEntityWithBrain for the Familiar]
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[1:01:44][Run the game and see that it works beautifully]
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2018-03-07 21:48:09 +00:00
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[1:01:59][Q&A][:speech]
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2017-12-06 22:26:13 +00:00
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[1:02:44][@garryjohanson][Any thoughts on multithreading the entity system?]
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2018-03-07 21:48:09 +00:00
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[1:03:01][@insobot][++ and += to reduce memory useage...]
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2017-12-06 22:26:13 +00:00
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[1:06:07][@evraire][How many more times will you get hit with the texture upload issue before you actually fix it?]
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[1:06:42][@roam00010011][Do you have a max entity count at the sim region on the debug display?]
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[1:09:26][@serge_rgb][(Out of topic) Milton seems to be treating Wacom input as mouse input. Restart Milton? Will look into it]
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2018-03-07 21:48:09 +00:00
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[1:10:40][Close things down][:speech]
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2017-12-06 22:26:13 +00:00
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[/video]
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