Extracting Asset Tiles from Gridded PNGs | Handmade Hero Episode Guide

0:04Recap and set the stage for the day

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0:04Recap and set the stage for the day

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0:04Recap and set the stage for the day

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1:57Dive into implementing UpdateAssetPackageFromPNG(), adding an Errors stream to asset_source_file

9:52Introduce MakeReadStream()

11:09Note the flexibility of having the first Contents buffer within the stream struct, rather than making everything go through a stream_chunk

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11:09Note the flexibility of having the first Contents buffer within the stream struct, rather than making everything go through a stream_chunk

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11:09Note the flexibility of having the first Contents buffer within the stream struct, rather than making everything go through a stream_chunk

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12:42Fix compile errors

14:17A few words on memory arenas

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14:17A few words on memory arenas

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14:17A few words on memory arenas

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15:53Set up to enable UpdateAssetPackageFromPNG() to break assets up into tiles

18:17Note the need to handle non-tiled assets, with a mention of mom's misremembrance of Krampus as "Krumpus"¹

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18:17Note the need to handle non-tiled assets, with a mention of mom's misremembrance of Krampus as "Krumpus"¹

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18:17Note the need to handle non-tiled assets, with a mention of mom's misremembrance of Krampus as "Krumpus"¹

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19:43Introduce ProcessTiledImport() to split up assets into 1024×1024 tiles, for UpdateAssetPackageFromPNG() to call

31:10Note the need to invalidate the texture memory, determining first to load the stuff in before switching to fixed size blocks

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31:10Note the need to invalidate the texture memory, determining first to load the stuff in before switching to fixed size blocks

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31:10Note the need to invalidate the texture memory, determining first to load the stuff in before switching to fixed size blocks

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33:44Consider resizing our title_screen.png down to fit into one of our fixed blocks, with some general thoughts on texture memory

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33:44Consider resizing our title_screen.png down to fit into one of our fixed blocks, with some general thoughts on texture memory

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33:44Consider resizing our title_screen.png down to fit into one of our fixed blocks, with some general thoughts on texture memory

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40:23Consult the Steam Hardware and & Software Survey² for VRAM availability statistics

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40:23Consult the Steam Hardware and & Software Survey² for VRAM availability statistics

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40:23Consult the Steam Hardware and & Software Survey² for VRAM availability statistics

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44:16Enable ProcessTiledImport() to load the asset-tile into a provisional bitmap

47:25Texture Borders, for sub-pixel rendering

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47:25Texture Borders, for sub-pixel rendering

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47:25Texture Borders, for sub-pixel rendering

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51:33Where the 1-pixel border approach falls down: Mipmapping

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51:33Where the 1-pixel border approach falls down: Mipmapping

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51:33Where the 1-pixel border approach falls down: Mipmapping

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54:14Border thickening

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54:14Border thickening

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54:14Border thickening

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59:14Make ProcessTiledImport() enforce an 8-pixel border, and warn about encroachments into this border

1:08:01Set up to store our tiles in the pack file

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1:08:01Set up to store our tiles in the pack file

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1:08:01Set up to store our tiles in the pack file

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1:10:15Make ProcessTiledImport() write our tiles into Bitmap->Memory

1:13:09Consider writing our tiles into a backing store before compacting down into the .hha file

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1:13:09Consider writing our tiles into a backing store before compacting down into the .hha file

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1:13:09Consider writing our tiles into a backing store before compacting down into the .hha file

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1:18:03Introduce WriteAssetBitmap()

1:23:45Change ProcessTiledImport() to load our tiles into a provisional bitmap before writing out to the .hha file

1:43:03Fix compile errors and stub out ReserveAsset(), ReserveData(), WriteAssetData() and WriteAsset()

1:47:33Q&A

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1:47:33Q&A

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1:47:33Q&A

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1:48:11sratke Q: Will you rewrite the software rasterizer with SSE4?

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1:48:11sratke Q: Will you rewrite the software rasterizer with SSE4?

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1:48:11sratke Q: Will you rewrite the software rasterizer with SSE4?

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1:50:05hark85 I don't have AVX512

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1:50:05hark85 I don't have AVX512

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1:50:05hark85 I don't have AVX512

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1:50:51frostyninja Q: You still haven't bounded HashValue in CheckForAssetChanges(). Thought I’d mention

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1:50:51frostyninja Q: You still haven't bounded HashValue in CheckForAssetChanges(). Thought I’d mention

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1:50:51frostyninja Q: You still haven't bounded HashValue in CheckForAssetChanges(). Thought I’d mention

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1:51:06Make CheckForAssetChanges() bound the HashValue

1:52:37json__bourne Q: How long until Microsoft tries to force win32 to become obsolete, and what comes after win32 for games?

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1:52:37json__bourne Q: How long until Microsoft tries to force win32 to become obsolete, and what comes after win32 for games?

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1:52:37json__bourne Q: How long until Microsoft tries to force win32 to become obsolete, and what comes after win32 for games?

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1:53:27Trying to play PUBG with Anna and Matt

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1:53:27Trying to play PUBG with Anna and Matt

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1:53:27Trying to play PUBG with Anna and Matt

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2:01:57centhusiast Q: If I remember correctly, stb_lib was used in one of the episodes. Was it for loading PNG assets?³

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2:01:57centhusiast Q: If I remember correctly, stb_lib was used in one of the episodes. Was it for loading PNG assets?³

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2:01:57centhusiast Q: If I remember correctly, stb_lib was used in one of the episodes. Was it for loading PNG assets?³

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2:04:21sopvop Q: Since you already have deflate decoder implemented in PNG reader, will you implement deflate compressor for asset files?

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2:04:21sopvop Q: Since you already have deflate decoder implemented in PNG reader, will you implement deflate compressor for asset files?

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2:04:21sopvop Q: Since you already have deflate decoder implemented in PNG reader, will you implement deflate compressor for asset files?

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2:04:33frostyninja Q: Speaking of stupid driver distribution, Sony only have DualShock 3 drivers for PC packaged with their PS Now software. Ridiculous

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2:04:33frostyninja Q: Speaking of stupid driver distribution, Sony only have DualShock 3 drivers for PC packaged with their PS Now software. Ridiculous

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2:04:33frostyninja Q: Speaking of stupid driver distribution, Sony only have DualShock 3 drivers for PC packaged with their PS Now software. Ridiculous

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2:05:03frostyninja Q: Spent ages struggling with getting that damned controller to work

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2:05:03frostyninja Q: Spent ages struggling with getting that damned controller to work

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2:05:03frostyninja Q: Spent ages struggling with getting that damned controller to work

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2:05:07ivereadthesequel Q: My poor friend said when Windows last updated for her it took four hours

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2:05:07ivereadthesequel Q: My poor friend said when Windows last updated for her it took four hours

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2:05:07ivereadthesequel Q: My poor friend said when Windows last updated for her it took four hours

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2:05:14toolegit2quit_ Q: Do you think Linux will take over? Seems unlikely. Also remember when the PlayStation 3 had Linux support?

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2:05:14toolegit2quit_ Q: Do you think Linux will take over? Seems unlikely. Also remember when the PlayStation 3 had Linux support?

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2:05:14toolegit2quit_ Q: Do you think Linux will take over? Seems unlikely. Also remember when the PlayStation 3 had Linux support?

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2:06:15thestalkingwolf Q: What would it take to make it more designer friendly to develop on an Ubuntu or Fedora platform first?

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2:06:15thestalkingwolf Q: What would it take to make it more designer friendly to develop on an Ubuntu or Fedora platform first?

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2:06:15thestalkingwolf Q: What would it take to make it more designer friendly to develop on an Ubuntu or Fedora platform first?

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2:08:37puremouron Q: MSVC does a terrible job with mod,⁴ clang seems to do better⁵

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2:08:37puremouron Q: MSVC does a terrible job with mod,⁴ clang seems to do better⁵

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2:08:37puremouron Q: MSVC does a terrible job with mod,⁴ clang seems to do better⁵

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2:09:19enemymouse Q: Are you going to support more complex languages. Coding your own HarfBuzz text shaping equivalent?

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2:09:19enemymouse Q: Are you going to support more complex languages. Coding your own HarfBuzz text shaping equivalent?

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2:09:19enemymouse Q: Are you going to support more complex languages. Coding your own HarfBuzz text shaping equivalent?

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2:09:54frostyninja Q: Sixaxis / PS3 controller

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2:09:54frostyninja Q: Sixaxis / PS3 controller

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2:09:54frostyninja Q: Sixaxis / PS3 controller

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2:10:21ivereadthesequel Q: So is our plan to infiltrate Microsoft and make Handmade Windows?

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2:10:21ivereadthesequel Q: So is our plan to infiltrate Microsoft and make Handmade Windows?

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2:10:21ivereadthesequel Q: So is our plan to infiltrate Microsoft and make Handmade Windows?

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2:11:32frostyninja Q: Yeah they need a handshake thingy. You get past that with the driver though. That's exactly why I struggled with it. Writing a rawinput thingy for controllers

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2:11:32frostyninja Q: Yeah they need a handshake thingy. You get past that with the driver though. That's exactly why I struggled with it. Writing a rawinput thingy for controllers

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2:11:32frostyninja Q: Yeah they need a handshake thingy. You get past that with the driver though. That's exactly why I struggled with it. Writing a rawinput thingy for controllers

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2:11:47frostyninja Q: Cant enable the controller through userland win32, sadly

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2:11:47frostyninja Q: Cant enable the controller through userland win32, sadly

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2:11:47frostyninja Q: Cant enable the controller through userland win32, sadly

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2:12:38Brief continuation of the PUBG story

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2:12:38Brief continuation of the PUBG story

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2:12:38Brief continuation of the PUBG story

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2:13:10toolegit2quit_ Q: Isn't a big part of the issue that the operating system would need a lot of traction. If Jonathan or someone like you build an OS it would need a very significant amount of traction to incentivize game developers to build for that platform

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2:13:10toolegit2quit_ Q: Isn't a big part of the issue that the operating system would need a lot of traction. If Jonathan or someone like you build an OS it would need a very significant amount of traction to incentivize game developers to build for that platform

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2:13:10toolegit2quit_ Q: Isn't a big part of the issue that the operating system would need a lot of traction. If Jonathan or someone like you build an OS it would need a very significant amount of traction to incentivize game developers to build for that platform

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2:15:08That's it, with a mention of the new site⁶ and a glimpse into the future

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2:15:08That's it, with a mention of the new site⁶ and a glimpse into the future

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2:15:08That's it, with a mention of the new site⁶ and a glimpse into the future

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