Better support for widescreen resolutions #161
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Hello @sven-n, I'm Gemini Code Assist1! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!
Summary of Changes
This pull request aims to improve support for widescreen resolutions in the game. It introduces a new function CompensateAspectRatio that adjusts the width and x-coordinate of rendered elements to maintain a 4:3 aspect ratio on widescreen displays. This function is called in several RenderBitmap functions to ensure proper scaling and positioning of textures. Additionally, an unused function OpenExploper is removed from ZzzOpenglUtil.cpp.
Highlights
- Aspect Ratio Compensation: The core change is the introduction of
CompensateAspectRatioto handle widescreen resolutions by adjusting width and x-coordinates to maintain a 4:3 aspect ratio. - Function Integration: The
CompensateAspectRatiofunction is integrated into multipleRenderBitmapfunctions, includingRenderColorBitmap,RenderBitmap,RenderBitmapRotate,RenderBitmapLocalRotate, andRenderBitmapUV. - Code Cleanup: The pull request removes the unused
OpenExploperfunction fromZzzOpenglUtil.cpp, cleaning up the codebase.
Changelog
- Source Main 5.2/source/ZzzOpenglUtil.cpp
- Removed the unused
OpenExploperfunction (lines 60-63). - Added the
CompensateAspectRatiofunction (lines 1223-1246). - Modified
RenderColorBitmapto callCompensateAspectRatio(line 1256). - Modified
RenderBitmapto callCompensateAspectRatio(line 1307). - Modified
RenderBitmapRotateto callCompensateAspectRatio(line 1350). - Modified
RenderBitmapLocalRotateto callCompensateAspectRatio(line 1511). - Modified
RenderBitmapUVto callCompensateAspectRatio(line 1590).
- Removed the unused
- Source Main 5.2/source/ZzzOpenglUtil.h
- Removed the declaration of the
OpenExploperfunction (line 52).
- Removed the declaration of the
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A screen so wide,
The image stretched and strained,
Now beauty restored.
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Code Review
The pull request introduces a new function CompensateAspectRatio to handle widescreen resolutions and applies it to several rendering functions. Overall, the changes seem well-structured and address the issue described in the title. However, there are a few areas that could benefit from further attention.
Summary of Findings
- Function Documentation: The new function
CompensateAspectRatiolacks proper documentation. A comment explaining the purpose, parameters, and potential side effects would greatly improve maintainability. - Magic Number: The target aspect ratio
4.0f / 3.0fis a magic number. It should be defined as a constant with a descriptive name to improve readability and maintainability. - Unnecessary
1.0fdivision: The division by1.0fin themaxOffsetcalculation is redundant and can be removed.
Merge Readiness
The pull request is well-structured and addresses the issue of widescreen resolution support. However, the high and medium severity issues should be addressed before merging to ensure code quality and maintainability. I am unable to approve this pull request, and recommend that another reviewer also reviews this code before merging.
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