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64 Commits
Author SHA1 Message Date
kichikuou 5ce1494b59 Match the original engine's patchEC behavior 
The patchEC flag is default off, and EC 0 goes through the same
width/height adjustment as EC with a registered rectangle.
 2026-09-05 12:23:09 +09:00
kichikuou a627a8ea3d Add VM variable storage type 
Define a dedicated `vmvar_t` type for values stored in variable pages
and propagate it through interfaces that expose those values. Keep the
type as int for now so this commit does not change runtime behavior.
This separates VM storage from ordinary int buffers and makes a later
conversion to 16-bit storage mechanically checkable.
 2026-07-17 08:48:10 +09:00
kichikuou 286f150510 Android/Emscripten: Move input dialogs into input_modal.c 
Consolidate the Android and Emscripten implementations of the string/
number input dialogs into input_modal.c, and split the input-dialog API
out of menu.h into input_modal.h.
 2026-07-01 08:22:14 +09:00
kichikuou 2c02f40dc4 Move uppercase commands from cmd2F.c to cmd<first_letter>.c 2025-11-06 09:39:46 +09:00
kichikuou dc17b78365 Move miscellaneous low-level functions to system.[ch] 2025-06-11 09:23:44 +09:00
kichikuou b5bf439b8e Remove graphics.h 2025-06-11 09:23:42 +09:00
kichikuou 9a01d28075 Move gfx_* functions from sdl_core.h to gfx.h 2025-06-11 09:22:36 +09:00
kichikuou 945dbd7722 Rename graphics functions from sdl_* to gfx_* 
And rename sdl_{video,draw,image}.c to gfx_{video,draw,image}.c.
 2025-06-10 15:00:27 +09:00
kichikuou f4f1a99372 Fix mathClip command 2025-02-11 12:36:18 +09:00
kichikuou d14b42c146 Replace boolean/TRUE/FALSE with bool/true/false 2025-02-02 10:02:08 +09:00
kichikuou 29988d0d6c Simplify boolean expressions 2025-02-02 09:36:20 +09:00
kichikuou 780d30c01f Fix lnkIsLink 
If the link table indicates the existence of an entry, but the volume
containing that entry is missing, this command returns 1.
 2025-01-08 16:15:37 +09:00
kichikuou d6adb3241c Add sdl_showMessageBox and replace menu_msgbox_open 2025-01-08 11:24:49 +09:00
kichikuou a2792d502e Implement mathSetClipWindow and mathClip 
Used in Ore no Shita de Agake.
 2025-01-07 15:52:47 +09:00
kichikuou 84e3666a66 Rename DEBUG_COMMAND{,_YET} to TRACE{,_UNIMPLEMENTED} 
And now TRACE_UNIMPLEMENTED is not ignored in release build.
 2025-01-06 14:14:10 +09:00
kichikuou 86068b0ab9 Prefer single precision float 2024-09-01 08:25:34 +09:00
kichikuou 343f3bb7c5 Fix fileCheckExist 
This fixes https://github.com/kichikuou/xsystem35-sdl2/issues/55.
 2024-06-10 08:59:58 +09:00
kichikuou a9c79b2e31 sysGetOSName: Use SDL_GetPlatform() 2024-01-11 14:08:31 +09:00
kichikuou b59d683fef Change the stack layout 
Now we use the same stack structure as System3.9. In order to maintain
the compatibility of save files, it is converted to/from the old layout
when saving/loading.
 2023-02-20 14:24:37 +09:00
kichikuou 850af6d140 Refactor implementation of LE and QE commands 2023-02-18 14:47:28 +09:00
kichikuou 5ef949ae14 Refactor ags_setWindowTitle() 2023-02-11 21:40:14 +09:00
kichikuou eace5d1dbd Refactor game-specific hacks, add -game option 
It's now possible to enable certain game-specific hacks by using the
`-game` command line option or the `game` property in the .xsys35rc
file.
 2023-02-11 15:27:38 +09:00
kichikuou 4f1521ac90 TOx commands are no-op if the stack top is of an unexpected type 2023-02-10 20:56:53 +09:00
kichikuou 99632397da Enable the hack in Rance4v2 recompiled with System3.9 
The System3.9 compiler compiles `MT` command to `0x2F28`, so the hack
must be enabled in commands2F28().

Fixes https://github.com/kichikuou/xsystem35-sdl2/issues/36.
 2023-02-10 20:50:12 +09:00
kichikuou acdc40ec60 Refactor cdrom abstructions 2023-01-28 12:51:34 +09:00
kichikuou 29a139c8a1 Use the standard integer types 
This replaces BYTE, WORD and DWORD types with uint8_t, uint16_t and
uint32_t respectively.
 2022-10-29 09:34:21 +09:00
kichikuou d1712ab7b4 Remove newline character from debug print macro calls 
Now "\n" is appended by the macros.
 2022-09-02 20:37:26 +09:00
kichikuou c8f9880efb Fix buffer overrun in LE/QE command 2022-08-28 08:43:18 +09:00
kichikuou 0e9afe7c0a Implement grDrawFillCircle 2022-07-23 09:18:58 +09:00
kichikuou 078525e2c2 Reduce console message spam 2022-07-16 21:15:55 +09:00
kichikuou fe294bd34b Remove nact->is_message_locked 
Now sysWinMsgLock and sysWinMsgUnlock are no-op.
 2022-07-02 11:59:18 +09:00
kichikuou f9b5fec03d Implement mouse wheel input 
This implements iptGetWheelCount and iptClearWheelCount commands, and
wheel events for SACT backlog.
 2022-07-02 10:55:40 +09:00
kichikuou b15690d9b7 Windows: Add "Restart" menu command 
It resets all VM states and restart the game.
 2022-06-26 17:25:39 +09:00
kichikuou f60b21bc19 Implement grEffectMoveView command 
It is not used in any AliceSoft games, but used in a third-party game.
 2022-06-22 21:37:50 +09:00
kichikuou 91fa4284c4 Use zero-based indexing for string variables 
Surprisingly, 0 is a valid index of the string variables (used only in
Ouji-sama Lv1 as far as I know).

The original System 3.x saves str[0] in save files, but we continue to
save from str[1] for save data compatibility.
 2021-12-03 10:57:09 +09:00
kichikuou bc06099e01 Show message box on fatal error 
Now sys_error() shows error message using a SDL message box, so that
user can see the message on Windows / Android.
 2021-10-26 21:41:34 +09:00
kichikuou 6c87a9155b Compatibility fix: varGetNumof command 
It returns the number of variables in System39.ain.
 2021-10-24 21:53:04 +09:00
kichikuou 6ef699e87d Clean up scenario.h dependencies 
- nact.h and xsystem35.h no longer include scenario.h
- Removed `sys_*` aliases in nact.h
- sys_getString() and sys_getConstString() are moved to
  scenario.c as sl_getString() and sl_getConstString()
- DEBUG_COMMAND macros are now defined in scenario.h
 2021-07-31 15:18:02 +09:00
kichikuou a159e7cb24 Show error instead of SEGV when System39.ini is missing 
See #18.
 2021-03-08 09:38:46 +09:00
kichikuou e18bb6cb75 Make MyRectangle an alias of SDL_Rect 2021-01-09 13:43:21 +09:00
kichikuou da1c136b39 Move message skip status flags from input.c to msgskip.c 2020-12-29 12:07:37 +09:00
kichikuou 9878f5ca74 Support message skip in System3.9 games without MsgSkip.DLL 2020-12-29 11:27:14 +09:00
kichikuou f0bd336da1 Implement MsgSkip module 
The format of savefile (msgskip.asd) is compatible with AliceSoft's
MsgSkip.dll; a 4-byte size field followed by a bitmap indexed by message
ID.
 2020-12-22 16:35:37 +09:00
kichikuou 704cfda6ef Windows: Implement wmenuEnableMsgSkip command 2020-12-20 10:17:49 +09:00
kichikuou c7263a3082 CMake: Add -Wall for debug builds 2020-10-11 21:31:32 +09:00
kichikuou 042f333564 Remove graphicsdevice.h 2020-10-01 22:19:58 +09:00
kichikuou ec270f2378 Remove X11/SDL abstraction macros 2020-10-01 22:10:12 +09:00
kichikuou 316a06a168 Refactor string variable functions 
This replaces v_str* functions with new svar_* functions.
The new svar_* functions use 1-based string variable index, so that
callers don't have to decrement string numbers from SCO.
 2020-09-21 16:17:23 +09:00
kichikuou 05cca544c6 Text input commands should accept half-width characters 
Although its dialog message says "Half-width characters cannot be used",
System3.9 does not prevent users from entering half-width characters.
 2020-09-05 22:40:23 +09:00
kichikuou bc9fc924ed [experimental] Unicode mode 
This adds "Unicode mode", in which scenarios can be written in any
language. xsys35c 1.2.0 and later can produce Unicode scenarios.

- nact->encoding represents the current scenario encoding. The initial
  value is SJIS, and ZU command changes it to UTF8.

- Use conversion macros that switch the behavior by the scenario
  encoding. For example, toUTF8() calls sjis2utf() if the scenario
  encoding is SJIS, and calls strdup() if it is UTF8.

- Fix various string processing functions to work with UTF8.
 2020-08-09 21:24:56 +09:00