From c831b27965d7fc33ce96040d5aa64718d8c440e4 Mon Sep 17 00:00:00 2001
From: gamemasterplc <gamemasterplc@gmail.com>
Date: Thu, 23 Nov 2023 23:54:10 -0600
Subject: [PATCH] Mostly match dvd.c

---
 config/GMPE01_00/symbols.txt |  10 +-
 configure.py                 |   2 +-
 src/game/dvd.c               | 178 +++++++++++++++++++++++++++++++++++
 3 files changed, 184 insertions(+), 6 deletions(-)
 create mode 100644 src/game/dvd.c

diff --git a/config/GMPE01_00/symbols.txt b/config/GMPE01_00/symbols.txt
index d3235d0a..fc9b1b69 100644
--- a/config/GMPE01_00/symbols.txt
+++ b/config/GMPE01_00/symbols.txt
@@ -534,7 +534,7 @@ fn_8002FB40 = .text:0x8002FB40; // type:function size:0x2F8
 fn_8002FE38 = .text:0x8002FE38; // type:function size:0xE0
 fn_8002FF18 = .text:0x8002FF18; // type:function size:0x2C
 fn_8002FF44 = .text:0x8002FF44; // type:function size:0x8
-fn_8002FF4C = .text:0x8002FF4C; // type:function size:0x150
+OSPanic = .text:0x8002FF4C; // type:function size:0x150
 fn_8003009C = .text:0x8003009C; // type:function size:0x118
 fn_800301B4 = .text:0x800301B4; // type:function size:0x34
 fn_800301E8 = .text:0x800301E8; // type:function size:0x98
@@ -2260,12 +2260,12 @@ fn_800BD7E0 = .text:0x800BD7E0; // type:function size:0x18
 __DVDLowSetWAType = .text:0x800BD7F8; // type:function size:0x44 scope:global
 __DVDFSInit = .text:0x800BD83C; // type:function size:0x38 scope:global
 fn_800BD874 = .text:0x800BD874; // type:function size:0x2F4
-fn_800BDB68 = .text:0x800BDB68; // type:function size:0x74
-fn_800BDBDC = .text:0x800BDBDC; // type:function size:0xC8
-fn_800BDCA4 = .text:0x800BDCA4; // type:function size:0x24
+DVDFastOpen = .text:0x800BDB68; // type:function size:0x74
+DVDOpen = .text:0x800BDBDC; // type:function size:0xC8
+DVDClose = .text:0x800BDCA4; // type:function size:0x24
 fn_800BDCC8 = .text:0x800BDCC8; // type:function size:0x160
 fn_800BDE28 = .text:0x800BDE28; // type:function size:0xC4
-fn_800BDEEC = .text:0x800BDEEC; // type:function size:0xC0
+DVDReadAsyncPrio = .text:0x800BDEEC; // type:function size:0xC0
 fn_800BDFAC = .text:0x800BDFAC; // type:function size:0x30
 fn_800BDFDC = .text:0x800BDFDC; // type:function size:0x118
 fn_800BE0F4 = .text:0x800BE0F4; // type:function size:0x24
diff --git a/configure.py b/configure.py
index fb49a2ff..7d18c190 100755
--- a/configure.py
+++ b/configure.py
@@ -231,7 +231,7 @@ config.libs = [
         "objects": [
             Object(NonMatching, "game/main.c"),
             Object(NonMatching, "game/pad.c"),
-            Object(NonMatching, "game/dvd.c"),
+            Object(Matching, "game/dvd.c"),
             Object(NonMatching, "game/data.c"),
             Object(Matching, "game/decode.c"),
             Object(NonMatching, "game/font.c"),
diff --git a/src/game/dvd.c b/src/game/dvd.c
new file mode 100644
index 00000000..dfc4b976
--- /dev/null
+++ b/src/game/dvd.c
@@ -0,0 +1,178 @@
+#include "common.h"
+#include "dolphin/dvd.h"
+#include "dolphin/os.h"
+
+extern u32 DirDataSize;
+
+static DVDDiskID correctDiskID = {
+    { 'M', 'P', 'G', 'C' }, //gameName
+    { 'H', 'U' }, //company
+    1, //diskNumber 
+    1, //gameVersion
+    1, //streaming
+    0, //streamingBufSize
+};
+
+void HuDvdErrorWatch();
+
+static s32 beforeDvdStatus;
+static int CallBackStatus;
+
+static void HuDVDReadAsyncCallBack()
+{
+    CallBackStatus = 1;
+}
+
+static void *HuDvdDataReadWait(DVDFileInfo *file, int heap, int mode, int num, DVDCallback cb, BOOL skip_wait)
+{
+    u32 len;
+    void *buf;
+    if(mode != 0 && mode != 1 && mode != 2) {
+        OSReport("dvd.c: HuDvdDataReadWait Mode Error");
+    }
+    len = file->length;
+    DirDataSize = len;
+    if(mode == 1) {
+        buf = HuMemDirectMallocNum(heap, OSRoundUp32B(len), num);
+    } else {
+        buf = HuMemDirectMalloc(heap, OSRoundUp32B(len));
+    }
+    if(!buf) {
+        OSReport("dvd.c: Memory Allocation Error (Length %x) (mode %d)\n", len, mode);
+        OSReport("Rest Memory %x\n", HuMemHeapSizeGet(3)-HuMemUsedMallocSizeGet(3));
+        OSPanic("dvd.c", 75, "\n");
+        return NULL;
+    }
+    
+    DCInvalidateRange(buf, OSRoundUp32B(len));
+    OSReport("Rest Memory %x\n", HuMemHeapSizeGet(3)-HuMemUsedMallocSizeGet(3));
+    CallBackStatus = 0;
+    DVDReadAsync(file, buf, OSRoundUp32B(len), 0, cb);
+    if(!skip_wait) {
+        while(!CallBackStatus) {
+            HuDvdErrorWatch();
+        }
+        HuDvdErrorWatch();
+    }
+    
+    return buf;
+}
+
+void *HuDvdDataRead(char *path)
+{
+    DVDFileInfo file;
+    void *data = NULL;
+    if(!DVDOpen(path, &file)) {
+        OSPanic("dvd.c", 146, "dvd.c: File Open Error");
+    } else {
+        data = HuDvdDataReadWait(&file, 3, 0, 0, HuDVDReadAsyncCallBack, FALSE);
+        DVDClose(&file);
+    }
+    return data;
+}
+
+void **HuDvdDataReadMulti(char **paths)
+{
+    DVDFileInfo file;
+    u32 count;
+    int i;
+    void **file_ptrs;
+    count = 0;
+    while(paths[count]) {
+        count++;
+    }
+    file_ptrs = HuMemDirectMalloc(0, count*4);
+    for(i=0; i<count; i++) {
+        if(!DVDOpen(paths[i], &file)) {
+            OSPanic("dvd.c", 183, "dvd.c: File Open Error");
+            return NULL;
+        } else {
+            file_ptrs[i] = HuDvdDataReadWait(&file, 3, 0, 0, HuDVDReadAsyncCallBack, FALSE);
+            DVDClose(&file);
+        }
+    }
+    return file_ptrs;
+}
+
+void *HuDvdDataReadDirect(char *path, int heap)
+{
+    DVDFileInfo file;
+    void *data = NULL;
+    if(!DVDOpen(path, &file)) {
+        OSPanic("dvd.c", 202, "dvd.c: File Open Error");
+    } else {
+        data = HuDvdDataReadWait(&file, heap, 2, 0, HuDVDReadAsyncCallBack, FALSE);
+        DVDClose(&file);
+    }
+    return data;
+}
+
+void *HuDvdDataFastRead(s32 entrynum)
+{
+    DVDFileInfo file;
+    void *data = NULL;
+    if(!DVDFastOpen(entrynum, &file)) {
+        OSPanic("dvd.c", 243, "dvd.c: File Open Error");
+    } else {
+        data = HuDvdDataReadWait(&file, 3, 0, 0, HuDVDReadAsyncCallBack, FALSE);
+        DVDClose(&file);
+    }
+    return data;
+}
+
+void *HuDvdDataFastReadNum(s32 entrynum, s32 num)
+{
+    DVDFileInfo file;
+    void *data = NULL;
+    if(!DVDFastOpen(entrynum, &file)) {
+        OSPanic("dvd.c", 258, "dvd.c: File Open Error");
+        (void)num;
+        (void)data;
+    } else {
+        data = HuDvdDataReadWait(&file, 3, 1, num, HuDVDReadAsyncCallBack, FALSE);
+        DVDClose(&file);
+    }
+    return data;
+}
+
+void HuDvdDataClose(void *ptr)
+{
+    if(ptr) {
+        HuMemDirectFree(ptr);
+    }
+}
+
+void HuDvdErrorWatch()
+{
+    int status = DVDGetDriveStatus();
+    if(status == beforeDvdStatus) {
+        return;
+    }
+    beforeDvdStatus = status;
+    switch(status+1) {
+        case 0:
+            OSReport("DVD ERROR:Fatal error occurred\n***HALT***");
+            while(1);
+            break;
+            
+        case 6:
+            OSReport("DVD ERROR:No disk\n");
+            break;
+            
+        case 7:
+            OSReport("DVD ERROR:Cover open\n");
+            break;
+            
+        case 8:
+            OSReport("DVD ERROR:Wrong disk\n");
+            break;
+            
+        case 12:
+            OSReport("DVD ERROR:Please retry\n");
+            break;
+            
+        default:
+            
+            break;
+    }
+}
\ No newline at end of file