divahook: Add an option to disable slider emulation

divahook/config.c

@@ -12,6 +12,13 @@
 #include "platform/config.h"
 #include "platform/platform.h"
 
+void slider_config_load(struct slider_config *cfg, const wchar_t *filename) {
+    assert(cfg != NULL);
+    assert(filename != NULL);
+
+    cfg->enable = GetPrivateProfileIntW(L"slider", L"enable", 1, filename);
+}
+
 void diva_hook_config_load(
         struct diva_hook_config *cfg,
         const wchar_t *filename)
@@ -22,4 +29,5 @@ void diva_hook_config_load(
     platform_config_load(&cfg->platform, filename);
     amex_config_load(&cfg->amex, filename);
     aime_config_load(&cfg->aime, filename);
+    slider_config_load(&cfg->slider, filename);
 }

divahook/config.h

@@ -6,14 +6,18 @@
 
 #include "board/sg-reader.h"
 
+#include "divahook/slider.h"
+
 #include "platform/platform.h"
 
 struct diva_hook_config {
     struct platform_config platform;
     struct amex_config amex;
     struct aime_config aime;
+    struct slider_config slider;
 };
 
+void slider_config_load(struct slider_config *cfg, const wchar_t *filename);
 void diva_hook_config_load(
         struct diva_hook_config *cfg,
         const wchar_t *filename);

divahook/dllmain.c

@@ -63,7 +63,7 @@ static DWORD CALLBACK diva_pre_startup(void)
         return EXIT_FAILURE;
     }
 
-    hr = slider_hook_init();
+    hr = slider_hook_init(&diva_hook_cfg.slider);
 
     if (FAILED(hr)) {
         return EXIT_FAILURE;

divahook/slider.c

@@ -37,8 +37,13 @@ static struct uart slider_uart;
 static uint8_t slider_written_bytes[520];
 static uint8_t slider_readable_bytes[520];
 
-HRESULT slider_hook_init(void)
+HRESULT slider_hook_init(const struct slider_config *cfg)
 {
+    assert(cfg != NULL);
+    if (!cfg->enable) {
+        return S_FALSE;
+    }
+
     InitializeCriticalSection(&slider_lock);
 
     uart_init(&slider_uart, 11);

divahook/slider.h

@@ -2,4 +2,10 @@
 
 #include <windows.h>
 
-HRESULT slider_hook_init(void);
+#include <stdbool.h>
+
+struct slider_config {
+    bool enable;
+};
+
+HRESULT slider_hook_init(const struct slider_config *cfg);