Brainstorming about Z Bias
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GitHub
HandmadeHero /​ cpp /​ FormatString bugs
[1]1:35[2]10:41
GitHub
HandmadeHero /​ cpp /​ Bug in `PushSize_` that could cause buffer overflow
[3]11:42[4]35:58[5]37:56
[7]42:34[8]45:29[9]1:01:30
C Operator Precedence Table
[6]41:22
GitHub
HandmadeHero /​ cpp /​ Issues
[10]1:12:47
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Casey Muratori
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0:02Recap and set the stage for the day
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0:02Recap and set the stage for the day
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0:02Recap and set the stage for the day
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1:35Fix typos in EditableBoolean(), EditableSize() and Error() as per KimJorgensen's bug report1
1:35Fix typos in EditableBoolean(), EditableSize() and Error() as per KimJorgensen's bug report1
1:35Fix typos in EditableBoolean(), EditableSize() and Error() as per KimJorgensen's bug report1
10:41Close issue 902
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10:41Close issue 902
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10:41Close issue 902
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11:42Investigate gingerBill's bug report 'Bug in `PushSize_` that could cause buffer overflow'3
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11:42Investigate gingerBill's bug report 'Bug in `PushSize_` that could cause buffer overflow'3
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11:42Investigate gingerBill's bug report 'Bug in `PushSize_` that could cause buffer overflow'3
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19:34Insert assertions in PushSize_()
19:34Insert assertions in PushSize_()
19:34Insert assertions in PushSize_()
23:19Introduce IsPow2()
23:19Introduce IsPow2()
23:19Introduce IsPow2()
29:14Test Power of 2
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29:14Test Power of 2
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29:14Test Power of 2
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35:58Carefully scrutinise PushSize_() as per gingerBill's bug report4
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35:58Carefully scrutinise PushSize_() as per gingerBill's bug report4
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35:58Carefully scrutinise PushSize_() as per gingerBill's bug report4
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37:12Explicitly parenthesise the (Used + Size > Size) comparison in PushSize_()
37:12Explicitly parenthesise the (Used + Size > Size) comparison in PushSize_()
37:12Explicitly parenthesise the (Used + Size > Size) comparison in PushSize_()
37:56Conclude that the bug report is wrong5
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37:56Conclude that the bug report is wrong5
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37:56Conclude that the bug report is wrong5
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41:22Check out C's operator precedence rules6
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41:22Check out C's operator precedence rules6
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41:22Check out C's operator precedence rules6
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42:34Continue to investigate gingerBill's bug report7
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42:34Continue to investigate gingerBill's bug report7
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42:34Continue to investigate gingerBill's bug report7
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45:29Construct PushSize_() failure cases to address gingerBill's bug report8
45:29Construct PushSize_() failure cases to address gingerBill's bug report8
45:29Construct PushSize_() failure cases to address gingerBill's bug report8
52:16Step through our PushSize_() test to see that it behaves well
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52:16Step through our PushSize_() test to see that it behaves well
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52:16Step through our PushSize_() test to see that it behaves well
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54:04Construct a PushSize_() test in which our request is right on the boundary
54:04Construct a PushSize_() test in which our request is right on the boundary
54:04Construct a PushSize_() test in which our request is right on the boundary
55:47Step through our PushSize_() test to see that it behaves well
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55:47Step through our PushSize_() test to see that it behaves well
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55:47Step through our PushSize_() test to see that it behaves well
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58:01Try allocating 4 MiB as the second, expansion-triggering allocation
58:01Try allocating 4 MiB as the second, expansion-triggering allocation
58:01Try allocating 4 MiB as the second, expansion-triggering allocation
58:58Step through our PushSize_() test to see that it behaves well
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58:58Step through our PushSize_() test to see that it behaves well
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58:58Step through our PushSize_() test to see that it behaves well
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59:39Try allocating 4 MiB as the first allocation
59:39Try allocating 4 MiB as the first allocation
59:39Try allocating 4 MiB as the first allocation
1:00:05Step through our PushSize_() test to see that it behaves well
🏃
1:00:05Step through our PushSize_() test to see that it behaves well
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1:00:05Step through our PushSize_() test to see that it behaves well
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1:01:30Close issue 88 with a few words on the helpfulness of concrete repro-cases in bug reports9
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1:01:30Close issue 88 with a few words on the helpfulness of concrete repro-cases in bug reports9
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1:01:30Close issue 88 with a few words on the helpfulness of concrete repro-cases in bug reports9
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1:04:17A few words on judicious unit testing
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1:04:17A few words on judicious unit testing
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1:04:17A few words on judicious unit testing
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1:12:47A final glance at the open issues10
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1:12:47A final glance at the open issues10
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1:12:47A final glance at the open issues10
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1:13:35Consider hiding the assets of disabled alignment points
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1:13:35Consider hiding the assets of disabled alignment points
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1:13:35Consider hiding the assets of disabled alignment points
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1:16:26Consider solving our 2D billboard asset Z-bias problem
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1:16:26Consider solving our 2D billboard asset Z-bias problem
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1:16:26Consider solving our 2D billboard asset Z-bias problem
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1:20:43Set up to express our Z-bias in CompileZBiasProgram()
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1:20:43Set up to express our Z-bias in CompileZBiasProgram()
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1:20:43Set up to express our Z-bias in CompileZBiasProgram()
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1:23:39Sprite Z-bias encoding
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1:23:39Sprite Z-bias encoding
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1:23:39Sprite Z-bias encoding
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1:28:24How CompileZBiasProgram() is currently working
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1:28:24How CompileZBiasProgram() is currently working
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1:28:24How CompileZBiasProgram() is currently working
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1:30:17Adjusting sprite position in Y
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1:30:17Adjusting sprite position in Y
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1:30:17Adjusting sprite position in Y
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1:33:32Imaginary encodings of sprite position and orientation
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1:33:32Imaginary encodings of sprite position and orientation
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1:33:32Imaginary encodings of sprite position and orientation
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1:43:54Don the tennis headband
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🎩
1:43:54Don the tennis headband
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🎩
1:43:54Don the tennis headband
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🎩
1:44:55Understanding ZBias in the case that sprites are drawn exactly upright
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1:44:55Understanding ZBias in the case that sprites are drawn exactly upright
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1:44:55Understanding ZBias in the case that sprites are drawn exactly upright
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🎩
1:50:11Understanding ZBias in the case that sprites are drawn lying down a little
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1:50:11Understanding ZBias in the case that sprites are drawn lying down a little
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1:50:11Understanding ZBias in the case that sprites are drawn lying down a little
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🎩
1:53:24Projecting in the vertex shader the sprite's Z positions to the passed in Z heights of the world plane
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1:53:24Projecting in the vertex shader the sprite's Z positions to the passed in Z heights of the world plane
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1:53:24Projecting in the vertex shader the sprite's Z positions to the passed in Z heights of the world plane
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🎩
1:58:23Q&A
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1:58:23Q&A
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1:58:23Q&A
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1:59:07vapenir Q: What kind of testing (unit, replays, etc.) do you use on 1935 / have you used over the years? Is automated testing even really a thing at game studios?
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🎩
1:59:07vapenir Q: What kind of testing (unit, replays, etc.) do you use on 1935 / have you used over the years? Is automated testing even really a thing at game studios?
🗪
🎩
1:59:07vapenir Q: What kind of testing (unit, replays, etc.) do you use on 1935 / have you used over the years? Is automated testing even really a thing at game studios?
🗪
🎩
2:02:40uplinkcoder Q: Any news on 1935?
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2:02:40uplinkcoder Q: Any news on 1935?
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2:02:40uplinkcoder Q: Any news on 1935?
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2:02:43gunngames Q: For people who don't want to fuss with platform specific code, would you say SDL is a good solution?
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2:02:43gunngames Q: For people who don't want to fuss with platform specific code, would you say SDL is a good solution?
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2:02:43gunngames Q: For people who don't want to fuss with platform specific code, would you say SDL is a good solution?
🗪
2:04:15We're all done
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2:04:15We're all done
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2:04:15We're all done
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