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101 lines
4.9 KiB
Text
101 lines
4.9 KiB
Text
== Primary Goal ==
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The primary goal of this re-architecture is to split this large project into smaller projects which may proceed to be developed independently of each other. The advantages of the new architecture are:
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* The build system can be greatly simplified
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* Each module can use its own build system. For example, the Qt GUI might switch to cmake for better Qt integration.
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* Porting the emulator core to other platforms (namely Win32) will be greatly simplified by removing the most platform-specific pieces.
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* Making releases for each package will be simpler and faster
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* Mupen64Plus may be included into the Debian/Ubuntu repositories since glN64 (with its 'unknown' license) will be a separate project
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== Topography ==
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This re-architecture will force us to lay boundaries with well-defined APIs between different parts of the emulator. Here are some initial suggestions for the new layout of the modules:
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# Mupen64plus-core
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#* To simplify porting to other platforms, the core needs to be as lean as possible
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#* For this reason, the GUI interfaces, the ROM cache, and the zip/lzma/7zip decompressors will be removed
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#* The core will contain the code for:
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#** Emulating the R4300 main CPU and memory systems
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#** Loading and configuring plugins
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#** Reading, parsing, and writing all configuration files for the core + plugins
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#** Parsing and returning information about ROM images
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#** Core user interface for keyboard and LIRC input
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#** Savestates and screenshots
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#** An on-screen display
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#** Cheat and debugger core functions
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#** 'Dummy' plugins
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# Mupen64plus-console, Mupen64plus-gtk, Mupen64plus-qt
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#* Command-line only, GTK, and Qt front-end interfaces
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#* Each front-end for the core library will be a separate project
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#* The ROM cache code will be forked and included into both GUIs
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#* The front-ends will be responsible for finding and loading the core library and the plugins
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#* The dynamic library handle of the core will be passed to all the plugins, and the dynamic library handle of the plugins will be passed to the core
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#* The front-ends will be responsible for loading and decompressing the ROM image, and passing a pointer to the core
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# Plugins (RiceVideo, glN64, glide64, Blight Input, JTTL Audio)
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#* The plugins will be spun off into separate projects
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#* The plugin API will change, and will be incompatible with the old Zilmar spec
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== Project Owners ==
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Richard42 will retain ownership of the Mupen64plus-core and Mupen64plus-console modules. I will recommend that Slougi take ownership of the Qt GUI. The plugins and GTK GUI are up for grabs.
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== Work To Do ==
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Tasks which have been completed will be marked with the <s>strikethrough</s> format.
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=== Prior to starting on the code ===
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# <s>Write design document for Core API</s>
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#* Front-end + debugger + cheat
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#* Configuration interface
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#* Video plugin
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#* Audio plugin
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#* Input plugin
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#* RSP plugin
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# <s>Set up new Mercurial repository for project</s>
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=== Coding tasks ===
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# <s>First steps</s>
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#* <s>Split & fork the source files into new structure</s>
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# Core
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#* <s>Refactor/simplify makefiles</s>
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#* <s>Remove #include statements from header files</s>
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#* <s>Write new configuration load/parse/save functionality</s>
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#* <s>Separate event loop out of main.c into new source file</s>
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#* <s>Fix broken WM_KeyDown/WM_KeyUp commands sent to input plugin</s>
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#* <s>Remove main() function</s>
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#* <s>Remove main/winlnxdefs.h</s>
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#* <s>Add new shared library interface (Must be thread-safe and re-entrant where necessary)</s>
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#** <s>api/callbacks.c</s>
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#** <s>api/common.c</s>
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#** <s>api/config.c</s>
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#** <s>api/debugger.c</s>
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#** <s>api/frontend.c</s>
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#** <s>api/vidext.c</s>
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#* <s>Refactor core code for new debug info interface (instead of printf(), send back to front-end)</s>
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#* <s>Modify plugin-handling code to use new plugin API</s>
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#* <s>Fix 64-bit dynamic recompiler for dynamic lib</s>
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#* <s>Update translate.c file handling and translations</s>
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#* <s>Update cheat.c cheat code handling</s>
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#* <s>Remove compare_core.c, add core comparison feature to console-ui</s>
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#* <s>Generate versioned core library</s>
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#* <s>Simplify makefile / pre.mk</s>
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#* <s>Refactor install.sh</s>
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#* Go through google code issue list, apply patches and close issue reports
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# Front-ends
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#* <s>Refactor/simplify makefiles</s>
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## <s>CLI</s>
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##* <s>Write from scratch, based on main.c</s>
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##* Update man page
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## GUI-Qt
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##* Adapt from previous mupen64puls Qt GUI code, pulling code from CLI front-end (Slougi)
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## GUI-GTK
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##* Adapt from previous mupen64puls GTK GUI code, pulling code from CLI front-end (TBD)
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# <s>Plug-ins</s>
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#* For each plug-in:
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#** <s>m64p-rsp-hle</s>
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#** <s>m64p-audio-sdl</s>
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#** <s>m64p-video-rice</s>
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#** <s>m64p-input-sdl</s>
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#* Remove existing configuration read/write code
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#* Add Deadzone and Scaling parameters to Blight Input plugin
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#* Refactor to use new configuration interface through core library
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#* Refactor for changes in core plugin API
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#* Refactor for new debug info interface (instead of printf(), send back to front-end)
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