Add Mahjong Fight Girl Support (#275)

## Link to GitHub Issue, if one exists
n/a

## Description of change
Adds Mahjong Fight Girl Support

## Compiling
+

## Testing
Tested with VFG:J:E:A:2024100800 in HG mode with VFG IO. No
modifications made to data, other than avs-config.xml and
ea3-config.xml. B and C modes don't work because of serial touchscreen.
UKS mode doesn't work because of IO.

src/spice2x/launcher/launcher.cpp

@@ -59,6 +59,7 @@
 #include "games/ccj/ccj.h"
 #include "games/ccj/trackball.h"
 #include "games/qks/qks.h"
+#include "games/mfg/mfg.h"
 #include "games/museca/museca.h"
 #include "hooks/avshook.h"
 #include "hooks/audio/audio.h"
@@ -213,6 +214,7 @@ int main_implementation(int argc, char *argv[]) {
     bool attach_bc = false;
     bool attach_ccj = false;
     bool attach_qks = false;
+    bool attach_mfg = false;
     bool attach_museca = false;
 
     // misc settings
@@ -602,6 +604,9 @@ int main_implementation(int argc, char *argv[]) {
     if (options[launcher::Options::LoadQKSModule].value_bool()) {
         attach_qks = true;
     }
+    if (options[launcher::Options::LoadMFGModule].value_bool()) {
+        attach_mfg = true;
+    }
     if (options[launcher::Options::LoadMusecaModule].value_bool()) {
         attach_museca = true;
     }
@@ -1028,6 +1033,15 @@ int main_implementation(int argc, char *argv[]) {
     if (options[launcher::Options::QKSArgs].is_active()) {
         games::qks::QKS_INJECT_ARGS = options[launcher::Options::QKSArgs].value_text();
     }
+    if (options[launcher::Options::MFGArgs].is_active()) {
+        games::mfg::MFG_INJECT_ARGS = options[launcher::Options::MFGArgs].value_text();
+    }
+    if (options[launcher::Options::MFGCabType].is_active()) {
+        games::mfg::MFG_CABINET_TYPE = options[launcher::Options::MFGCabType].value_text();
+    }
+    if (options[launcher::Options::MFGNoIO].is_active()) {
+        games::mfg::MFG_NO_IO = options[launcher::Options::MFGNoIO].value_bool();
+    }
     if (options[launcher::Options::spice2x_EnableSMXStage].value_bool()) {
         rawinput::ENABLE_SMX_STAGE = true;
     }
@@ -1589,6 +1603,19 @@ int main_implementation(int argc, char *argv[]) {
                 break;
             }
 
+            // Mahjong Fight Girl
+            if (check_dll("kamunity.dll") && fileutils::dir_exists("game/MFGClient_Data")) {
+                avs::game::DLL_NAME = "kamunity.dll";
+                attach_io = true;
+                attach_mfg = true;
+                launcher::signal::USE_VEH_WORKAROUND = true;
+                // automatically show cursor when no touchscreen is available
+                if (!is_touch_available()) {
+                    GRAPHICS_SHOW_CURSOR = true;
+                }
+                break;
+            }
+
             // Busou Shinki: Armored Princess Battle Conductor
             if (check_dll("kamunity.dll") && fileutils::file_exists("game/bsac_app.exe")) {
                 avs::game::DLL_NAME = "kamunity.dll";
@@ -1740,6 +1767,10 @@ int main_implementation(int argc, char *argv[]) {
         avs::core::set_default_heap_size("kamunity.dll");
         games.push_back(new games::qks::QKSGame());
     }
+    if (attach_mfg) {
+        avs::core::set_default_heap_size("kamunity.dll");
+        games.push_back(new games::mfg::MFGGame());
+    }
 
     // apply user heap size, if defined
     if (user_heap_size > 0) {

src/spice2x/launcher/options.cpp

@@ -1006,6 +1006,15 @@ static const std::vector<OptionDefinition> OPTION_DEFINITIONS = {
         .game_name = "QuizKnock STADIUM",
         .category = "Game Options (Advanced)",
     },
+    {
+        // LoadMFGModule
+        .title = "Force Load Mahjong Fight Girl",
+        .name = "mfg",
+        .desc = "manually enable Mahjong Fight Girl module",
+        .type = OptionType::Bool,
+        .game_name = "Mahjong Fight Girl",
+        .category = "Game Options (Advanced)",
+    },
     {
         // LoadMusecaModule
         .title = "Force Load Museca",
@@ -1671,6 +1680,39 @@ static const std::vector<OptionDefinition> OPTION_DEFINITIONS = {
         .game_name = "Chase Chase Jokers",
         .category = "Game Options",
     },
+    {
+        .title = "MFG Arguments Override",
+        .name = "mfgargs",
+        .desc = "Command line arguments passed to the game.",
+        .type = OptionType::Text,
+        .setting_name = "",
+        .game_name = "Mahjong Fight Girl",
+        .category = "Game Options (Advanced)",
+    },
+    {
+        .title = "MFG Cabinet Type",
+        .name = "mfgcabtype",
+        .desc = "MFG Cabinet Type. Default is HG.",
+        .type = OptionType::Enum,
+        .setting_name = "",
+        .game_name = "Mahjong Fight Girl",
+        .category = "Game Options (Advanced)",
+        .elements = {
+            {"HG", "HG"},
+            {"B", "B"},
+            {"C", "C"},
+            {"UKS", "UKS"},
+        },
+    },
+    {
+        .title = "MFG Disable IO Emulation",
+        .name = "mfgnoio",
+        .desc = "Disables BI2X hooks for MFG",
+        .type = OptionType::Bool,
+        .setting_name = "",
+        .game_name = "Mahjong Fight Girl",
+        .category = "Game Options (Advanced)"
+    },
     {
         // spice2x_LightsOverallBrightness
         .title = "Lights Brightness Adjustment",

src/spice2x/launcher/options.h

@@ -114,6 +114,7 @@ namespace launcher {
             LoadBusouShinkiModule,
             LoadCCJModule,
             LoadQKSModule,
+            LoadMFGModule,
             LoadMusecaModule,
             PathToModules,
             ScreenshotFolder,
@@ -193,6 +194,9 @@ namespace launcher {
             CCJMouseTrackball,
             CCJMouseTrackballWithToggle,
             CCJTrackballSensitivity,
+            MFGArgs,
+            MFGCabType,
+            MFGNoIO,
             spice2x_LightsOverallBrightness,
             spice2x_WindowBorder,
             spice2x_WindowSize,

src/spice2x/launcher/signal.cpp

@@ -27,6 +27,7 @@ namespace launcher::signal {
 
     // settings
     bool DISABLE = false;
+    bool USE_VEH_WORKAROUND = false;
 }
 
 #define V(variant) case variant: return #variant
@@ -167,7 +168,7 @@ static LPTOP_LEVEL_EXCEPTION_FILTER WINAPI SetUnhandledExceptionFilter_hook(
 static PVOID WINAPI AddVectoredExceptionHandler_hook(ULONG First, PVECTORED_EXCEPTION_HANDLER Handler) {
     log_info("signal", "AddVectoredExceptionHandler hook hit");
 
-    return nullptr;
+    return launcher::signal::USE_VEH_WORKAROUND ? INVALID_HANDLE_VALUE : nullptr;
 }
 
 void launcher::signal::attach() {

src/spice2x/launcher/signal.h

@@ -4,6 +4,7 @@ namespace launcher::signal {
 
     // settings
     extern bool DISABLE;
+    extern bool USE_VEH_WORKAROUND;
 
     //void print_stacktrace();
     void attach();