From d32f6ab18b179fffaed7398a4160a23489dcba91 Mon Sep 17 00:00:00 2001
From: 5d3b9130281102eb36519ddd0a2c6868ff061a3b
 <5d3b9130281102eb36519ddd0a2c6868ff061a3b@redacted>
Date: Sun, 29 Dec 2019 13:28:32 -0400
Subject: [PATCH] divahook: Add an option to disable slider emulation

---
 divahook/config.c  | 8 ++++++++
 divahook/config.h  | 4 ++++
 divahook/dllmain.c | 2 +-
 divahook/slider.c  | 7 ++++++-
 divahook/slider.h  | 8 +++++++-
 5 files changed, 26 insertions(+), 3 deletions(-)

diff --git a/divahook/config.c b/divahook/config.c
index 1b52c3e..e639874 100644
--- a/divahook/config.c
+++ b/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);
 }
diff --git a/divahook/config.h b/divahook/config.h
index c7ca22f..3e484d5 100644
--- a/divahook/config.h
+++ b/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);
diff --git a/divahook/dllmain.c b/divahook/dllmain.c
index a194f84..1a6449a 100644
--- a/divahook/dllmain.c
+++ b/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;
diff --git a/divahook/slider.c b/divahook/slider.c
index fe114cb..cc1273d 100644
--- a/divahook/slider.c
+++ b/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);
diff --git a/divahook/slider.h b/divahook/slider.h
index 08fe430..7053e04 100644
--- a/divahook/slider.h
+++ b/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);