From 0f740013fc795d586a7a88ccfa51411e523306fe Mon Sep 17 00:00:00 2001
From: gijs <ogre@noest.dev>
Date: Fri, 20 Oct 2023 12:30:13 +0200
Subject: [PATCH] Decompile `nuScEventHandler`

---
 src/_ob_past_brick.c | 46 +++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 45 insertions(+), 1 deletion(-)

diff --git a/src/_ob_past_brick.c b/src/_ob_past_brick.c
index 692faaa..3d1db2a 100644
--- a/src/_ob_past_brick.c
+++ b/src/_ob_past_brick.c
@@ -2,6 +2,8 @@
 
 #include "nu/nusys.h"
 
+void nuScEventBroadcast(NUScMsg* msg);
+
 INCLUDE_ASM(const s32, "_ob_past_brick", nuScCreateScheduler);
 
 OSMesgQueue* nuScGetAudioMQ() {
@@ -12,7 +14,49 @@ OSMesgQueue* nuScGetGfxMQ() {
     return &nusched.graphicsRequestMQ;
 }
 
-INCLUDE_ASM(const s32, "_ob_past_brick", nuScEventHandler);
+void nuScEventHandler(void) {
+    OSMesg  msg;
+    s32     beforeResetFrame;
+
+    nuScRetraceCounter = 0;
+
+    while (TRUE) {
+        osRecvMesg(&nusched.retraceMQ, &msg, OS_MESG_BLOCK);
+
+        switch ((s32) msg) {
+            case 666:
+                nuScRetraceCounter++;
+
+                nuScEventBroadcast(&nusched.retraceMsg);
+
+                if (nuScPreNMIFlag){
+                    if (beforeResetFrame){
+                        beforeResetFrame--;
+                    } else {
+                        nuScPreNMIFlag |= NU_SC_BEFORE_RESET;
+                        osAfterPreNMI();
+                        osViSetYScale(1.0);
+                        __calls_osViBlack(TRUE);
+                    }
+                }
+                break;
+
+            case 669:
+                nuScPreNMIFlag = NU_SC_PRENMI_GET;
+                nuScEventBroadcast(&nusched.prenmiMsg);
+
+                if (nuScPreNMIFunc != NULL){
+                    (*nuScPreNMIFunc)();
+                }
+
+                beforeResetFrame = (nusched.frameRate / 2) / nusched.retraceCount - 3;
+                break;
+                
+            default:
+                break;
+        }
+    }
+}
 
 void nuScAddClient(NUScClient* client, OSMesgQueue* queue, NUScMsg type) {
     s32 mask;