hero/code and chat013: Miscellaneous fixes

cmuratori/hero/code/code038.hmml

@@ -1,14 +1,14 @@
 [video output=day038 member=cmuratori stream_platform=twitch stream_username=handmade_hero project=code title="Basic Linear Bitmap Blending" vod_platform=youtube id=ydiHNs1YQoI annotator=schme annotator=effect0r annotator=theinternetftw]
 [0:00:00][Prestream stuff]
 [0:09:18][Intro and welcome]
-[0:10:52][Where we left of from last time]
+[0:10:52][Where we left off from last time]
 [0:11:17][Fixing the hero's color]
 [0:16:16][Figuring out what the shift values are]
 [0:18:48][Bitscanforward]
 [0:27:53][Renaming bitscanforward to FindLeastSignificantSetBit]
 [0:29:36][The intrinsics thing]
 [0:30:16][Finding out what compiler we're on]
-[0:31:27][Making a comprimise: Allowing the intrinsics file access to the platform layer]
+[0:31:27][Making a compromise: Allowing the intrinsics file access to the platform layer]
 [0:33:20][Determining what compiler is being used]
 [0:41:20][Simple version of using the alpha channel]
 [0:45:20][Alpha as an opacity value]
@@ -17,7 +17,7 @@
 [0:50:04][Krita crashes..]
 [0:50:47][Blackboard session explaining alpha blending using the background value]
 [0:51:01]['Deriving' the formula for a linear blend]
-[0:58:02][The cannonical form of a linear blend]
+[0:58:02][The canonical form of a linear blend]
 [0:58:45][How the 't' works in the linear blend formula]
 [1:00:35][Implementing the floating point version of linear blend]
 [1:06:55][Drawing the herohead at the location of the player]
@@ -38,5 +38,5 @@
 [1:34:36][Is the large VirtualAlloc() at the beginning similar to Linux mmap()?]
 [1:35:51][What bitvalue is 50% brightness?]
 [1:37:34][Does the display bitmap operation actually do anything with the alpha channel?]
-[1:37:58][The solid curve on Wikipedias gamma correction is the linear space intensity. Should be what you're looking for.]
+[1:37:58][The solid curve on Wikipedia's gamma correction is the linear space intensity. Should be what you're looking for.]
 [/video]

cmuratori/hero/code/code040.hmml

@@ -9,7 +9,7 @@
 [0:16:20][Tackeling SetCursor]
 [0:17:45][Spy++]
 [0:21:45][LoadCursor()]
-[0:25:50][Setting up dynamically controled cursor visability]
+[0:25:50][Setting up dynamically controlled cursor visibility]
 [0:34:12][Trying to figure out how to stop the 'loading' cursor]
 [0:37:53][Fullscreen support[ref
     site="The Old New Thing"
@@ -17,7 +17,7 @@
     url="http://blogs.msdn.com/b/oldnewthing/archive/2010/04/12/9994016.aspx"]]
 [0:51:09][Discussion on his method of going fullscreen in Windows]
 [0:54:45][Going over the notes]
-[0:55:30]['Hackey' way to fill the entire screen with the game]
+[0:55:30]['Hacky' way to fill the entire screen with the game]
 [0:58:50][Q&A][:speech]
 [0:59:57][You said you want your artist to leave an alpha apron around your bitmaps. Why is that?]
 [1:02:15][Sour trolli worms or Haribo gummy bears?]

cmuratori/hero/code/code044.hmml

@@ -31,13 +31,13 @@
 [1:11:27][Will there be a minimum distance to the wall?]
 [1:12:03][Will computing a vector where the player will stop just before the wall solve the sticking?]
 [1:13:13][Additional explanation to the bounce vector calculation]
-[1:19:25][Is there a way to speed up the DrawBitmap -code?]
+[1:19:25][Is there a way to speed up the DrawBitmap code?]
 [1:21:15][Suggestion to remove reblitting the background to improve performance]
 [1:22:08][Stream notes Casey drew the cos/sin triangle wrong]
 [1:23:39][A wish to mention formal keywords to help people look things up]
 [1:24:53][Was the Witness collision trick to try maintain the distance traveled?]
 [1:25:21][Why does wall bouncing not seem to cause sticking, but sliding does?]
-[1:27:06][Stream mentions KhanAchademy for learning math]
+[1:27:06][Stream mentions KhanAcademy for learning math]
 [1:27:20][Will the rendering code be able to squash bitmaps?]
 [1:28:01][Could you/would you benefit from unrolling the collision loop ... ?]
 [/video]

cmuratori/hero/code/code046.hmml

@@ -2,10 +2,10 @@
 [0:00:00][Intro and welcome]
 [0:01:25][Where we were..]
 [0:01:50][Addressing a bug that was found by the forums]
-[0:04:30][Thinking about how to handle imput]
+[0:04:30][Thinking about how to handle input]
 [0:06:24][Which controller maps to which character?]
 [0:09:04][How we're going to handle this problem]
-[0:10:36][Maping a controller to a character]
+[0:10:36][Mapping a controller to a character]
 [0:11:36][Pulling player info into the 'entity' structure to support multiple players]
 [0:12:50][Modifying game_input to allow for multiple players]
 [0:14:31][Changing his mind about how to handle this]

cmuratori/hero/code/code126.hmml

@@ -2,7 +2,7 @@
 [0:00:25][Owl of Shame: Single producer/Multiple consumer issue]
 [0:03:33][InterlockedCompareExchange]
 [0:04:20][Fixing our shame]
-[0:06:19][Siumplifying more with the API change]
+[0:06:19][Simplifying more with the API change]
 [0:09:00][Implementing the multithreading API]
 [0:12:42][Piping the work queue through]
 [0:14:33][Global defines for AddEntry and CompleteAllWork]
@@ -35,7 +35,7 @@
 [1:16:10][@pragmascrypt][Is the WeShouldSleep still right after you changed the if condition?]
 [1:17:55][@manicthenobody][Why do you use #if 0 instead of // or /*?]
 [1:19:09][@nightbasilisk][Can you show 4k?]
-[1:19:47][gasto5  Q: Is multithreaded code less reliable than singlethreaded code?]
+[1:19:47][@gasto5][Q: Is multithreaded code less reliable than singlethreaded code?]
 [1:20:37][@noxy_key][So is the circular buffer recycling threads after they're done processing a tile? I wasn't clear on why a circular buffer was chosen.]
 [1:20:56][Power cord bumped, computer shut down]
 [1:24:20][@noxy_key][(once more) So is the circular buffer recycling threads after they're done processing a tile? I wasn't clear on why a circular buffer was chosen.]

cmuratori/hero/code/code266.hmml

@@ -22,7 +22,7 @@
 [56:11]["We won't add up to 100%"][quote 469]
 [58:00][Q&A][:speech]
 [59:22][@gunngames][Can I avoid taxation by reinvesting into capital gains?]
-[59:44][@dudeinbasement1][Why won't we add to ~100%?]
+[59:44][@dudeinbasement1][Why won't we add to \~100%?]
 [1:00:42][@sssmcgrath][How would you self-update an exe? Right now I have a second exe that copies a file that overwrites the current exe. So main exe calls updateme.exe, closes itself, updateme sleeps for 1/2 second, then copies... There's gotta be something smarter]
 [1:01:27][@zamar037][Can the percentage support a decimal place?]
 [1:01:46][handmade_debug.cpp: Print the percentage as a float]

cmuratori/hero/code/code351.hmml

@@ -46,7 +46,7 @@
 [1:52:02][Build and run in -Od and investigate what's happening]
 [1:54:18][handmade_sim_region.cpp: Add an assert in AddEntityToHash() to validate the hash, run the game and do not hit that assertion]
 [1:55:07][Step through AddEntityToHash() and investigate what's happening]
-[1:56:30][handmade_sim_region.cpp: Add an assert in GetOrAddBrain() to validate the brain, run the game and ]
+[1:56:30][handmade_sim_region.cpp: Walk through GetOrAddBrain()]
 [1:57:38][handmade_sim_region.cpp: Make GetOrAddBrain() set the Hash->ID, run the game and crash in FreeFrame()]
 [1:58:31][handmade_sim_region.h: Remove the ID from the entity_hash and brain_hash and instead use their Ptr to identify them]
 [1:59:36][Run the game and note that "our brains are still not working properly"][quote 535]

cmuratori/hero/code/code368.hmml

@@ -72,7 +72,7 @@
     page="glcorearb.h"
     url="https://www.khronos.org/registry/OpenGL/api/GL/glcorearb.h"]]
 [1:32:47][Compile and run to see our crazy w coordinate]
-[1:33:56][Introduce handmade_opengl.h ]
+[1:33:56][Create handmade_opengl.h]
 [1:36:18][handmade_opengl.cpp: Make OpenGLInit() call OpenGLCreateProgram(), and write here docs for Header, Vertex and Fragment code]
 [1:41:57][Run the game to find that we got through the compilation phase okay, and determine to enable OpenGLCreateProgram() to perform error handling]
 [1:44:21][handmade_opengl.cpp: Enable OpenGLCreateProgram() to log shader info and assert on validation failure[ref

cmuratori/hero/code/code374.hmml

@@ -67,7 +67,7 @@
 [1:36:43][Run the game and watch the incorrect clipping behaviour]
 [1:37:42][handmade_math.h: Tweak the near and far clip plane in PerspectiveProjection()]
 [1:38:54][Try to find a source for the standard projection perspective matrix]
-[1:43:48][Run the game and consider ]
+[1:43:48][Run the game to see some projection wonkiness]
 [1:46:06][handmade_render_group.cpp: Try turning off the ZBias in PushBitmap()]
 [1:46:25][Run the game to see that everything is sorting as expected]
 [1:48:45][Consider that the ZBias is pre-transformed and appears to be being applied in clip space]

cmuratori/hero/code/code394.hmml

@@ -53,7 +53,7 @@
 [1:07:12][Investigate which VK_ keys are available to us]
 [1:10:06][win32_handmade.cpp: Make Win32ProcessPendingMessage() use VK_OEM_PLUS and VK_OEM_MINUS]
 [1:10:46][Run the game to try out our key bindings, and investigate why we can't cycle between the textures]
-[1:12:29][handmade_opengl.cpp: ]
+[1:12:29][handmade_opengl.cpp: Double-check CompileFinalStretch()]
 [1:13:05][Consult the documentation on Framebuffer[ref
     site="Khronos"
     page="Framebuffer"

cmuratori/hero/code/code401.hmml

@@ -21,7 +21,7 @@
 [54:30][Blackboard: All light must go somewhere]
 [55:33][handmade_render_group.cpp: Enable LightingTest() to make RefC converge towards 0, and track the transference and accumulation of light]
 [1:03:25][handmade_render_group.cpp: Enable LightingTest() to correct for the wrongness of the transfer]
-[1:11:10][Step in to LightingTest() and ]
+[1:11:10][Step through LightingTest()]
 [1:13:10][Consider how to handle emission]
 [1:13:46][handmade_render_group.cpp: Prevent LightingTest() from performing the correction and just letting the light bounce ad infinitum]
 [1:14:27][Run the game to see the flickery results]

cmuratori/hero/code/code417.hmml

@@ -34,7 +34,7 @@
 [1:12:47][Make RayCast() account for the Source Position in the Position computation][:lighting :rendering]
 [1:13:55][:Run the game to see that it looks much more correct][:lighting :rendering]
 [1:15:47][Temporarily increase the RayCount in ComputeLightPropagation()][:lighting :rendering]
-[1:16:01][:Run the game to see the :lighting solution with more rays[:rendering]]
+[1:16:01][:Run the game to see the :lighting solution with more rays][:rendering]
 [1:17:05][Determine to make the light sampling more unbiased][:lighting :rendering :speech]
 [1:18:58][:Run the game and determine to enable :lighting recomputation while showing the :"debug visualisation"][:"debug system" :rendering]
 [1:19:34][Enable UpdateAndRenderWorld() to recompute the :lighting while showing the :"debug visualisation"][:"debug system" :rendering]

cmuratori/hero/code/code534.hmml

@@ -4,7 +4,7 @@
     page="HandmadeHero / cpp"
     url=https://github.com/HandmadeHero/cpp/issues]][:speech]
 [1:35][Show item_hat_03.png with a view to investigating why we are extracting six tiles from this four-tile asset][:admin :art :"asset system"]
-[5:14][Determine to enable test_png to output ]
+[5:14][Determine to enable test_png to output alpha pixels full white]
 [6:54][Enable WriteImageTopDownRGBA() to output any alpha pixels full white, introducing ThreshAlpha()][:rendering]
 [9:52][Run test_png on item_hat_03.png and see some spurious data in the output][:admin :rendering]
 [11:40][Reacquaint ourselves with ProcessMultiTileImport() to see that it only processes tiles containing alpha pixels][:"asset system" :research :rendering]

cmuratori/hero/code/code575.hmml

@@ -64,7 +64,7 @@
 [1:55:52][Get a new dotahero][:admin]
 [1:56:43][Ponder ~RemedyBG's breakpoint confusion][:"hot reloading" :library :speech]
 [1:57:46][Wonder why we're jumping to an unknown function][:"hot reloading" :library :speech]
-[1:58:17][:Run, rebuild, step in to OpenGLEndFrame() and ][:"hot reloading" :library]
+[1:58:17][:Run, rebuild, step in to OpenGLEndFrame() and inspect the OpenGL struct][:"hot reloading" :library]
 [1:59:51][Remember that our OpenGL functions reside in a dll-local table, and must be reinitialised][:"hot reloading" :library :speech]
 [2:01:32][Augment open_gl with our OpenGL functions, renaming OpenGLGlobalFunction() to OpenGLFunction()][:library :rendering]
 [2:08:23][Make our OpenGL context available to all OpenGL-calling functions, and Win32InitOpenGL() initialise our OpenGL functions][:library :rendering]