Dvd and some progress

src/port/dvd.c

@@ -0,0 +1,149 @@
+// Credits: Super Monkey Ball
+
+#include <limits.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#ifdef _WIN32
+#include <direct.h>
+#include <windows.h>
+
+#else
+#include <unistd.h>
+#endif
+#include <dolphin.h>
+
+#ifndef PATH_MAX
+#define PATH_MAX 256
+#endif
+
+static char (*s_pathEntries)[PATH_MAX] = NULL;
+static int s_pathEntriesCount = 0;
+static char s_rootDir[PATH_MAX];
+
+void DVDInit(void)
+{
+    chdir("GMPE01_00/files");
+    if (getcwd(s_rootDir, sizeof(s_rootDir)) == NULL)
+        exit(1);
+}
+
+BOOL DVDChangeDir(char *dir)
+{
+    printf("DVDChangeDir: %s\n", dir);
+    if (dir[0] == '/') {
+        char path[PATH_MAX];
+        if (snprintf(path, sizeof(path), "%s/%s", s_rootDir, dir) >= PATH_MAX)
+            return FALSE;
+        return chdir(path) == 0;
+    }
+    else
+        return chdir(dir) == 0;
+}
+
+s32 DVDConvertPathToEntrynum(char *pathPtr)
+{
+    int i;
+    FILE *f;
+    char absolute[PATH_MAX];
+
+    printf("DVDConvertPathToEntrynum: %s\n", pathPtr);
+#ifdef _WIN32
+    if (GetFullPathNameA(pathPtr, sizeof(absolute), absolute, NULL) == 0)
+        return -1;
+#else
+    if (realpath(pathPtr, absolute) == NULL)
+        return -1;
+#endif
+    for (i = 0; i < s_pathEntriesCount; i++) {
+        if (strcmp(absolute, s_pathEntries[i]) == 0)
+            return i;
+    }
+
+    if (strlen(absolute) + 1 > PATH_MAX)
+        return -1;
+
+    // check if file exists
+    f = fopen(absolute, "rb");
+    if (f == NULL)
+        return -1;
+    fclose(f);
+
+    // add new entry
+    printf("size = %i\n", sizeof(*s_pathEntries));
+    s_pathEntries = realloc(s_pathEntries, (s_pathEntriesCount + 1) * sizeof(*s_pathEntries));
+    strcpy(s_pathEntries[s_pathEntriesCount], absolute);
+    return s_pathEntriesCount++;
+}
+
+BOOL DVDOpen(char *fileName, DVDFileInfo *fileInfo)
+{
+    FILE *f;
+
+    printf("DVDOpen: %s\n", fileName);
+    f = fopen(fileName, "rb");
+    if (f == NULL) {
+        puts("open failed\n");
+        return FALSE;
+    }
+    fileInfo->cb.addr = f;
+    fseek(f, 0, SEEK_END);
+    fileInfo->length = ftell(f);
+    return TRUE;
+}
+
+BOOL DVDFastOpen(s32 entrynum, DVDFileInfo *fileInfo)
+{
+    printf("DVDFastOpen: %li\n", entrynum);
+    if (entrynum < s_pathEntriesCount)
+        return DVDOpen(s_pathEntries[entrynum], fileInfo);
+    return FALSE;
+}
+
+BOOL DVDClose(DVDFileInfo *fileInfo)
+{
+    FILE *f = fileInfo->cb.addr;
+
+    if (f != NULL)
+        fclose(f);
+    fileInfo->cb.addr = NULL;
+    return TRUE;
+}
+
+BOOL DVDReadAsyncPrio(DVDFileInfo *fileInfo, void *addr, s32 length, s32 offset, DVDCallback callback, s32 prio)
+{
+    FILE *f = fileInfo->cb.addr;
+    BOOL success;
+
+    printf("DVDReadAsyncPrio: length %li, offset %li\n", length, offset);
+    fseek(f, offset, SEEK_SET);
+    success = (fread(addr, length, 1, f) == 1) || feof(f);
+    if (!success)
+        puts("read failed");
+    callback(success ? 0 : -1, fileInfo);
+    return TRUE;
+}
+
+BOOL DVDOpenDir(char *dirName, DVDDir *dir)
+{
+    puts("DVDOpenDir is a stub");
+    return FALSE;
+}
+
+BOOL DVDCloseDir(DVDDir *dir)
+{
+    puts("DVDCloseDir is a stub");
+    return FALSE;
+}
+
+BOOL DVDReadDir(DVDDir *dir, DVDDirEntry *dirent)
+{
+    puts("DVDReadDir is a stub");
+    return FALSE;
+}
+
+s32 DVDGetDriveStatus(void)
+{
+    // puts("DVDGetDriveStatus is a stub");
+    return 0;
+}