From f44e6faa1efb901d89072e43b0e2d7e94e02780f Mon Sep 17 00:00:00 2001
From: escape209 <agtescape@gmail.com>
Date: Tue, 6 Aug 2024 19:11:29 +0100
Subject: [PATCH] xTRC work (#345)

---
 src/SB/Core/x/xTRC.cpp | 60 ++++++++++++++++++++++++++++++++++++++++++
 src/SB/Core/x/xTRC.h   |  4 ++-
 2 files changed, 63 insertions(+), 1 deletion(-)

diff --git a/src/SB/Core/x/xTRC.cpp b/src/SB/Core/x/xTRC.cpp
index d067f5d3..a53fa711 100644
--- a/src/SB/Core/x/xTRC.cpp
+++ b/src/SB/Core/x/xTRC.cpp
@@ -1,7 +1,67 @@
 #include "xTRC.h"
+#include "xSnd.h"
 
+#include "zGame.h"
+#include "zGlobals.h"
+
+#include <string.h>
 #include <types.h>
 
+_tagTRCPadInfo gTrcPad[4];
+_tagTRCState gTrcDisk[2];
+
+const char* message_text;
+
+void xTRCInit()
+{
+    memset(gTrcPad, 0, sizeof(gTrcPad));
+    gTrcPad[0].id = 0;
+    gTrcPad[1].id = 1;
+    gTrcPad[2].id = 2;
+    gTrcPad[3].id = 3;
+    memset(gTrcDisk, 0, 8);
+}
+
+void render_message(const char*);
+
+void xTRCRender()
+{
+    if (message_text != NULL)
+    {
+        render_message(message_text);
+    }
+}
+
+void xTRCReset()
+{
+    message_text = NULL;
+    globals.dontShowPadMessageDuringLoadingOrCutScene = false;
+
+    eGameMode mode = gGameMode;
+    bool isStall = mode == eGameMode_Stall;
+
+    if (isStall)
+    {
+        zGameModeSwitch(eGameMode_Game);
+    }
+
+    xSndResume();
+}
+
+// SDA relocation shenanigans
+void xTRCDisk(_tagTRCState state)
+{
+    if (state != TRC_DiskNotIdentified)
+    {
+        gTrcDisk[0] = state;
+        gTrcDisk[1] = TRC_DiskIdentified;
+    }
+    else
+    {
+        gTrcDisk[1] = TRC_DiskNotIdentified;
+    }
+}
+
 void xTRCPad(S32, _tagTRCState)
 {
 }
diff --git a/src/SB/Core/x/xTRC.h b/src/SB/Core/x/xTRC.h
index acba223c..cb255714 100644
--- a/src/SB/Core/x/xTRC.h
+++ b/src/SB/Core/x/xTRC.h
@@ -27,8 +27,10 @@ struct _tagTRCPadInfo : _tagiTRCPadInfo
     _tagTRCState state;
 };
 
-_tagTRCPadInfo gTrcPad[4];
+_tagTRCPadInfo gTrcPad[];
+_tagTRCState gTrcDisk[];
 
+void xTRCInit();
 void xTRCPad(S32 pad_id, _tagTRCState state);
 void xTRCRender();
 void xTRCReset();