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A fork of CSE2 providing support and optimization for running on a Sun Ultra 1.
983 commits 1 branch 0 tags 64 MiB
C++ 89.5%
C 9.1%
CMake 1%
GSC 0.2%
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Clownacy 7f7553bef2 An accuracy improvement in Triangle.cpp 
This one's weird: it doesn't affect the actual generation of ASM in
the function, but rather it affects the ASM of sinf and cosf.

You see, sinf and cosf are static - they're built right into the EXE.
Since the previous code used cosf and sinf, they were embedded into
the EXE, and InitTriangleTable would call them directly.

However, this isn't what the original EXE does: instead,
InitTriangleTable calls an intermediary function, that in turn calls
the real cosf and sinf. Turns out this strange code generation is
caused by calling cos and sin instead of cosf and sinf, but still
using float parameters.
2019-09-05 17:04:07 +01:00
assets Convert resource file to forward-slash path separators 2019-09-05 14:08:03 +01:00
devilution Move the MSVC2003 stuff to the main folder 2019-09-05 13:42:33 +01:00
src An accuracy improvement in Triangle.cpp 2019-09-05 17:04:07 +01:00
.gitattributes Added .gitattributes for normalisation and normalized a few sources files to LF (from CRLF) 2019-05-03 12:27:11 +02:00
.gitignore Move the MSVC2003 stuff to the main folder 2019-09-05 13:42:33 +01:00
CSE2.sln Move the MSVC2003 stuff to the main folder 2019-09-05 13:42:33 +01:00
CSE2.vcproj The EXE now has its functions in the exact same order as the original 2019-09-05 16:42:16 +01:00
Makefile Add .exe file extensions to the Makefile 2019-09-04 14:01:51 +00:00
README.md Update the readme 2019-09-05 16:01:49 +01:00
screenshot.png New screenshot 2019-09-01 19:00:42 +01:00

README.md

Cave Story Engine 2

Cave Story Engine 2 is a decompilation of Cave Story.

Screenshot

Building

Makefile (MinGW-w64)

Run 'make' in this folder, preferably with some of the following settings:

  • RELEASE=1 - Compile a release build (optimised, stripped, etc.)
  • STATIC=1 - Produce a statically-linked executable (so you don't need to bundle DLL files)
  • JAPANESE=1 - Enable the Japanese-language build (instead of the unofficial Aeon Genesis English translation)
  • FIX_BUGS=1 - Fix bugs in the game (see src/Bug Fixes.txt)
  • DEBUG_SAVE=1 - Re-enable the dummied-out 'Debug Save' option, and the ability to drag-and-drop save files onto the window

Visual Studio .NET 2003

Project files for Visual Studio .NET 2003 are available in the base folder.

Visual Studio .NET 2003 was used by Pixel to create the original Doukutsu.exe, so these project files allow us to check the accuracy of the decompilation by comparing the generated assembly code to that of the original executable. The tool for this can be found in the 'devilution' folder.

Licensing

Being a decompilation, the majority of the code in this project belongs to Daisuke "Pixel" Amaya - not us. We've yet to agree on a license for our own code.