Grid Raycaster Table Generation — Handmade Hero — Episode Guide

0:03Welcome to the stream

🗩

0:03Welcome to the stream

🗩

0:03Welcome to the stream

🗩

1:42Set up to implement ComputeWalkTable()

📖

1:42Set up to implement ComputeWalkTable()

📖

1:42Set up to implement ComputeWalkTable()

📖

3:33Implement ComputeWalkTable()

7:24Consider how to encode the dGrid in walk_table_entry, computing it at runtime

📖

7:24Consider how to encode the dGrid in walk_table_entry, computing it at runtime

📖

7:24Consider how to encode the dGrid in walk_table_entry, computing it at runtime

📖

9:10Augment the lighting_solution with a walk_table_entry

10:13Make ComputeWalkTable() write to our dynamic lighting_solution

16:22Make InitLighting() call ComputeWalkTable(), removing light_sampling_sphere_2

21:21Desire a big, easy-to-clean glass bottle

🗩

21:21Desire a big, easy-to-clean glass bottle

🗩

21:21Desire a big, easy-to-clean glass bottle

🗩

22:11Augment lighting_solution with a memory_arena TableMemory and TableVoxelDim for BeginLightingComputation() to use

29:29Estimate the memory requirements (393,216 rays' worth) and cycles available (509) for the ray casting

🗹

29:29Estimate the memory requirements (393,216 rays' worth) and cycles available (509) for the ray casting

🗹

29:29Estimate the memory requirements (393,216 rays' worth) and cycles available (509) for the ray casting

🗹

31:53Define our LIGHT_SAMPLING values for FullCast() to use, and include handmade_simd.h and handmade_sampling_spheres.inl in handmade_lighting.cpp

42:18Consider the pipeline to be running properly

🗩

42:18Consider the pipeline to be running properly

🗩

42:18Consider the pipeline to be running properly

🗩

42:43Break

🗹

42:43Break

🗹

42:43Break

🗹

42:52afk

45:13Return

🗹

45:13Return

🗹

45:13Return

🗹

45:27math_daemon_ Plot twist: Casey accidentally hit the switch and is still coding / talking

🗪

45:27math_daemon_ Plot twist: Casey accidentally hit the switch and is still coding / talking

🗪

45:27math_daemon_ Plot twist: Casey accidentally hit the switch and is still coding / talking

🗪

45:50somebody_took_my_name Can I get a recap of the first hour?

🗪

45:50somebody_took_my_name Can I get a recap of the first hour?

🗪

45:50somebody_took_my_name Can I get a recap of the first hour?

🗪

45:54Make OutputSphereINL() write out the new light_sample_direction struct and LIGHT_SAMPLING defines

48:42Reacquaint ourselves with GenerateOctahedralLightingPattern()

📖

48:42Reacquaint ourselves with GenerateOctahedralLightingPattern()

📖

48:42Reacquaint ourselves with GenerateOctahedralLightingPattern()

📖

50:52Make GenerateOctahedralLightingPattern() return the OutputDirections to be passed to OutputSphereINL()

54:57Invoke hhsphere

🗹

54:57Invoke hhsphere

🗹

54:57Invoke hhsphere

🗹

55:18Respecify hhsphere to take as arguments <octahedron count> and <rays per octahedron>

1:00:40Invoke hhsphere

🗹

1:00:40Invoke hhsphere

🗹

1:00:40Invoke hhsphere

🗹

1:00:51Respecify hhsphere to take as an argument <octahedron dim>

1:02:14Invoke hhsphere

🗹

1:02:14Invoke hhsphere

🗹

1:02:14Invoke hhsphere

🗹

1:03:02trolledwoods Jonathan Blow would like to know your address

🗪

1:03:02trolledwoods Jonathan Blow would like to know your address

🗪

1:03:02trolledwoods Jonathan Blow would like to know your address

🗪

1:03:36somebody_took_my_name Always send him your address

🗪

1:03:36somebody_took_my_name Always send him your address

🗪

1:03:36somebody_took_my_name Always send him your address

🗪

1:03:39Send our address to Jon

🗹

1:03:39Send our address to Jon

🗹

1:03:39Send our address to Jon

🗹

1:05:34philoez98 They're trolling

🗪

1:05:34philoez98 They're trolling

🗪

1:05:34philoez98 They're trolling

🗪

1:05:49Inspect temp.inl

🗹

1:05:49Inspect temp.inl

🗹

1:05:49Inspect temp.inl

🗹

1:06:17Make OutputSphereINL() write out the RawDirections

1:07:49pragmascrypt Everyone is fired

🗪

1:07:49pragmascrypt Everyone is fired

🗪

1:07:49pragmascrypt Everyone is fired

🗪

1:08:14Invoke hhsphere

🗹

1:08:14Invoke hhsphere

🗹

1:08:14Invoke hhsphere

🗹

1:08:43Inspect temp.inl and copy it into place

🗹

1:08:43Inspect temp.inl and copy it into place

🗹

1:08:43Inspect temp.inl and copy it into place

🗹

1:09:41Fix compile errors

1:09:55Fix OutputSphereINL() to insert the semicolon

1:10:01Make ProfileRun() initialise the TableMemory

1:12:57Run hhlighprof and hit a read access violation in BuildSpatialPartitionForLighting()

🏃

1:12:57Run hhlighprof and hit a read access violation in BuildSpatialPartitionForLighting()

🏃

1:12:57Run hhlighprof and hit a read access violation in BuildSpatialPartitionForLighting()

🏃

1:13:53Make BuildSpatialPartitionForLighting() allocate memory for the SpatialGridNodes

1:15:07Run hhlighprof and hit a read access violation in ComputeVoxelIrradianceAt()

🏃

1:15:07Run hhlighprof and hit a read access violation in ComputeVoxelIrradianceAt()

🏃

1:15:07Run hhlighprof and hit a read access violation in ComputeVoxelIrradianceAt()

🏃

1:16:14On indexing into similar but not identical overlapping sets of data

🗩

1:16:14On indexing into similar but not identical overlapping sets of data

🗩

1:16:14On indexing into similar but not identical overlapping sets of data

🗩

1:19:46Fix ComputeLightPropagationWork() to index in to the aproned voxel

1:22:41Run hhlighprof and hit the same read access violation in ComputeVoxelIrradianceAt()

🏃

1:22:41Run hhlighprof and hit the same read access violation in ComputeVoxelIrradianceAt()

🏃

1:22:41Run hhlighprof and hit the same read access violation in ComputeVoxelIrradianceAt()

🏃

1:24:44Fix ComputeWalkTable() to set the tTerminate to a valid value

1:25:52Run hhlighprof and hit the same read access violation in ComputeVoxelIrradianceAt()

🏃

1:25:52Run hhlighprof and hit the same read access violation in ComputeVoxelIrradianceAt()

🏃

1:25:52Run hhlighprof and hit the same read access violation in ComputeVoxelIrradianceAt()

🏃

1:28:18Make GridRayCast() initialise the ProbeSamplePSingle to the incoming RayOriginSingle

1:28:36Run hhlighprof and hit the same read access violation in ComputeVoxelIrradianceAt()

🏃

1:28:36Run hhlighprof and hit the same read access violation in ComputeVoxelIrradianceAt()

🏃

1:28:36Run hhlighprof and hit the same read access violation in ComputeVoxelIrradianceAt()

🏃

1:30:41Consider the rounding subtraction in ComputeVoxelIrradianceAt()

🏃

1:30:41Consider the rounding subtraction in ComputeVoxelIrradianceAt()

🏃

1:30:41Consider the rounding subtraction in ComputeVoxelIrradianceAt()

🏃

1:32:06Prevent ComputeVoxelIrradianceAt() from rounding down when setting the FCoord

1:32:27Run hhlighprof and hit the same read access violation in ComputeVoxelIrradianceAt()

🏃

1:32:27Run hhlighprof and hit the same read access violation in ComputeVoxelIrradianceAt()

🏃

1:32:27Run hhlighprof and hit the same read access violation in ComputeVoxelIrradianceAt()

🏃

1:33:19Make GridRayCast() initialise the ProbeSampleNSingle to the incoming RayDSingle

1:33:49Run hhlightprof successfully

🏃

1:33:49Run hhlightprof successfully

🏃

1:33:49Run hhlightprof successfully

🏃

1:34:11hhlightprof total seconds elapsed: 5.363018

🏃

1:34:11hhlightprof total seconds elapsed: 5.363018

🏃

1:34:11hhlightprof total seconds elapsed: 5.363018

🏃

1:35:46Q&A

🗩

1:35:46Q&A

🗩

1:35:46Q&A

🗩

1:36:14insobot Q: Cathedral or bust?

🗪

1:36:14insobot Q: Cathedral or bust?

🗪

1:36:14insobot Q: Cathedral or bust?

🗪

1:37:29somebody_took_my_name Q: Can we try the game in the current state?

🗪

1:37:29somebody_took_my_name Q: Can we try the game in the current state?

🗪

1:37:29somebody_took_my_name Q: Can we try the game in the current state?

🗪

1:37:55Run the game to see a black screen

🏃

1:37:55Run the game to see a black screen

🏃

1:37:55Run the game to see a black screen

🏃

1:38:25billdstrong Q: Since this new pass is to speed up performance, where do you foresee getting speedups after this pass?

🗪

1:38:25billdstrong Q: Since this new pass is to speed up performance, where do you foresee getting speedups after this pass?

🗪

1:38:25billdstrong Q: Since this new pass is to speed up performance, where do you foresee getting speedups after this pass?

🗪

1:39:30mindmark42 Q: Given two points, do you think there might be a way to calculate the number voxel cells a Bresenham-like line algorithm will touch? Without walking?

🗪

1:39:30mindmark42 Q: Given two points, do you think there might be a way to calculate the number voxel cells a Bresenham-like line algorithm will touch? Without walking?

🗪

1:39:30mindmark42 Q: Given two points, do you think there might be a way to calculate the number voxel cells a Bresenham-like line algorithm will touch? Without walking?

🗪

1:39:58uplinkcoder Q: Can you run hhlightprof?

🗪

1:39:58uplinkcoder Q: Can you run hhlightprof?

🗪

1:39:58uplinkcoder Q: Can you run hhlightprof?

🗪

1:41:40erik_ava Q: Has it ever happened that you put so much work in an idea and it turned out not working out?

🗪

1:41:40erik_ava Q: Has it ever happened that you put so much work in an idea and it turned out not working out?

🗪

1:41:40erik_ava Q: Has it ever happened that you put so much work in an idea and it turned out not working out?

🗪

1:43:33billdstrong Q: Could we generate all these tests we do for the lighting at box creation?

🗪

1:43:33billdstrong Q: Could we generate all these tests we do for the lighting at box creation?

🗪

1:43:33billdstrong Q: Could we generate all these tests we do for the lighting at box creation?

🗪

1:43:56mattiamanzati Q: Since hhlightprof just runs RayCast(), maybe we put more work into building the occluder leaves than before?

🗪

1:43:56mattiamanzati Q: Since hhlightprof just runs RayCast(), maybe we put more work into building the occluder leaves than before?

🗪

1:43:56mattiamanzati Q: Since hhlightprof just runs RayCast(), maybe we put more work into building the occluder leaves than before?

🗪

1:47:08sagian2005 Q: Glass milk bottles

🗪

1:47:08sagian2005 Q: Glass milk bottles

🗪

1:47:08sagian2005 Q: Glass milk bottles

🗪

1:47:53thetamiel Q: You've mentioned before at RAD you made a tool for detecting indexing errors. How would a tool like that work?

🗪

1:47:53thetamiel Q: You've mentioned before at RAD you made a tool for detecting indexing errors. How would a tool like that work?

🗪

1:47:53thetamiel Q: You've mentioned before at RAD you made a tool for detecting indexing errors. How would a tool like that work?

🗪

1:50:33xsinxdx sagian2005 How old are you?

🗪

1:50:33xsinxdx sagian2005 How old are you?

🗪

1:50:33xsinxdx sagian2005 How old are you?

🗪

1:51:39billdstrong Q: Could we look for only the farthest box a Ray would hit, and eliminate testing all the boxes in between?

🗪

1:51:39billdstrong Q: Could we look for only the farthest box a Ray would hit, and eliminate testing all the boxes in between?

🗪

1:51:39billdstrong Q: Could we look for only the farthest box a Ray would hit, and eliminate testing all the boxes in between?

🗪

1:52:24infinum Q: How has that 30 Million Lines Problem been going on? Have some hardware vendors contacted you about it or maybe said something?

🗪

1:52:24infinum Q: How has that 30 Million Lines Problem been going on? Have some hardware vendors contacted you about it or maybe said something?

🗪

1:52:24infinum Q: How has that 30 Million Lines Problem been going on? Have some hardware vendors contacted you about it or maybe said something?

🗪

1:53:48Wrap it up

🗩

1:53:48Wrap it up

🗩

1:53:48Wrap it up

🗩

Keyboard Navigation

Global Keys

Menu toggling

In-Menu and Index Controls

Quotes and References Menus and Index

Quotes, References and Credits Menus

Filter Menu

Filter and Link Menus

Credits Menu