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Added lua scripting support (#6454) #18789

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346de12
added lua scripting support
Mar 3, 2026
a0aaf2e
refactorings, disabled module by default
Mar 4, 2026
1d1461c
autoenable lua and iconv supported targets
Mar 7, 2026
60ca409
added lua_scripts_sandboxed user setting, fixed makefile
Mar 7, 2026
2a63a2b
added some memory aliases, bypass c89 builds
Mar 20, 2026
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90 changes: 48 additions & 42 deletions Makefile.common
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Original file line number Diff line number Diff line change
Expand Up @@ -377,6 +377,54 @@ ifeq ($(HAVE_CHEATS), 1)
OBJ += cheat_manager.o
endif

ifeq ($(HAVE_ICONV), 1)
DEFINES += -DHAVE_ICONV
LIBS += -liconv
endif

ifeq ($(HAVE_LUA), 1)
#CFLAGS += -std=gnu99
DEFINES += -DHAVE_LUA -DLUA_32BITS
INCLUDE_DIRS += -Ideps/lua/src
OBJ += deps/lua/src/lapi.o \
deps/lua/src/lcode.o \
deps/lua/src/lctype.o \
deps/lua/src/ldebug.o \
deps/lua/src/ldo.o \
deps/lua/src/ldump.o \
deps/lua/src/lfunc.o \
deps/lua/src/lgc.o \
deps/lua/src/llex.o \
deps/lua/src/lmem.o \
deps/lua/src/lobject.o \
deps/lua/src/lopcodes.o \
deps/lua/src/lparser.o \
deps/lua/src/lstate.o \
deps/lua/src/lstring.o \
deps/lua/src/ltable.o \
deps/lua/src/ltm.o \
deps/lua/src/lundump.o \
deps/lua/src/lvm.o \
deps/lua/src/lzio.o \
deps/lua/src/lauxlib.o \
deps/lua/src/lbaselib.o \
deps/lua/src/lbitlib.o \
deps/lua/src/lcorolib.o \
deps/lua/src/ldblib.o \
deps/lua/src/liolib.o \
deps/lua/src/lmathlib.o \
deps/lua/src/loslib.o \
deps/lua/src/lstrlib.o \
deps/lua/src/ltablib.o \
deps/lua/src/lutf8lib.o \
deps/lua/src/loadlib.o \
deps/lua/src/linit.o \
lua_manager.o
LIBS += -lm
else
DEFINES += -DRC_DISABLE_LUA
endif

ifeq ($(HAVE_CORE_INFO_CACHE), 1)
DEFINES += -DHAVE_CORE_INFO_CACHE
endif
Expand Down Expand Up @@ -2457,48 +2505,6 @@ ifeq ($(HAVE_NETWORKING), 1)
DEFINES += -DHAVE_CHEEVOS_RVZ
OBJ += cheevos/cheevos_rvz.o
endif

ifeq ($(HAVE_LUA), 1)
DEFINES += -DHAVE_LUA \
-DLUA_32BITS
INCLUDE_DIRS += -Ideps/lua/src
OBJ += deps/lua/src/lapi.o \
deps/lua/src/lcode.o \
deps/lua/src/lctype.o \
deps/lua/src/ldebug.o \
deps/lua/src/ldo.o \
deps/lua/src/ldump.o \
deps/lua/src/lfunc.o \
deps/lua/src/lgc.o \
deps/lua/src/llex.o \
deps/lua/src/lmem.o \
deps/lua/src/lobject.o \
deps/lua/src/lopcodes.o \
deps/lua/src/lparser.o \
deps/lua/src/lstate.o \
deps/lua/src/lstring.o \
deps/lua/src/ltable.o \
deps/lua/src/ltm.o \
deps/lua/src/lundump.o \
deps/lua/src/lvm.o \
deps/lua/src/lzio.o \
deps/lua/src/lauxlib.o \
deps/lua/src/lbaselib.o \
deps/lua/src/lbitlib.o \
deps/lua/src/lcorolib.o \
deps/lua/src/ldblib.o \
deps/lua/src/liolib.o \
deps/lua/src/lmathlib.o \
deps/lua/src/loslib.o \
deps/lua/src/lstrlib.o \
deps/lua/src/ltablib.o \
deps/lua/src/lutf8lib.o \
deps/lua/src/loadlib.o \
deps/lua/src/linit.o
else
DEFINES += -DRC_DISABLE_LUA
endif

endif

ifeq ($(HAVE_DISCORD), 1)
Expand Down
4 changes: 4 additions & 0 deletions configuration.c
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Original file line number Diff line number Diff line change
Expand Up @@ -2289,6 +2289,10 @@ static struct config_bool_setting *populate_settings_bool(
SETTING_BOOL("quick_menu_show_game_ai", &settings->bools.quick_menu_show_game_ai, true, 1, false);
#endif

#ifdef HAVE_LUA
SETTING_BOOL("lua_scripts_sandboxed", &settings->bools.lua_scripts_sandboxed, true, 1, false);
#endif

*size = count;

return tmp;
Expand Down
4 changes: 4 additions & 0 deletions configuration.h
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Original file line number Diff line number Diff line change
Expand Up @@ -1174,6 +1174,10 @@ typedef struct settings
bool game_ai_show_debug;
#endif

#ifdef HAVE_LUA
bool lua_scripts_sandboxed;
#endif

#ifdef HAVE_SMBCLIENT
bool smb_client_enable;
#endif
Expand Down
5 changes: 5 additions & 0 deletions gfx/gfx_widgets.c
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Original file line number Diff line number Diff line change
Expand Up @@ -38,6 +38,7 @@
#include "../configuration.h"
#include "../file_path_special.h"
#include "../msg_hash.h"
#include "../lua_manager.h"

#include "../tasks/task_content.h"
#include "../tasks/tasks_internal.h"
Expand Down Expand Up @@ -1915,6 +1916,10 @@ void gfx_widgets_frame(void *data)
font_driver_bind_block(p_dispwidget->gfx_widget_fonts.bold.font, NULL);
font_driver_bind_block(p_dispwidget->gfx_widget_fonts.msg_queue.font, NULL);

#if defined(HAVE_LUA) && defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
lua_draw_gfxs_loop();
#endif

if (video_st->current_video && video_st->current_video->set_viewport)
video_st->current_video->set_viewport(
video_st->data, video_width, video_height, false, true);
Expand Down
7 changes: 7 additions & 0 deletions griffin/griffin.c
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Original file line number Diff line number Diff line change
Expand Up @@ -237,6 +237,13 @@ ACHIEVEMENTS

#endif

/*============================================================
LUA SCRIPTING
============================================================ */
#ifdef HAVE_LUA
#include "../lua_manager.c"
#endif

/*============================================================
MD5
============================================================ */
Expand Down
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