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main.c
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main.c
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#include <malloc.h>
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#include "libVHL/vhl.h"
#include <psp2/ctrl.h>
#include <psp2/touch.h>
#include <psp2/display.h>
#include <psp2/gxm.h>
#include <psp2/types.h>
#include <psp2/moduleinfo.h>
#include <psp2/io/fcntl.h>
#include <psp2/io/dirent.h>
#include <psp2/appmgr.h>
#include <psp2/kernel/processmgr.h>
#include <psp2/kernel/threadmgr.h>
#include <psp2/kernel/sysmem.h>
#include "draw.h"
PSP2_MODULE_INFO(0, 0, "psp2shell");
#define ROOT_PATH "vfs0:/"
#define START_PATH ROOT_PATH
// Default Start Path
// Current Path
static char cwd[1024];
enum {
MODE_HOMEBREW = 0,
MODE_ISO = 1,
MODE_POPS = 2,
MODE_MAX = 3,
};
// Runlevel Definition
#define HOMEBREW_RUNLEVEL 0x141
#define ISO_RUNLEVEL 0x123
#define POPS_RUNLEVEL 0x144
// Current Runlevel
// 0x144 = Pops
// 0x141 = Homebrew
// 0x123 = ISO / CSO / PSN
int mode = MODE_HOMEBREW;
// Copy Move Origin
static char copysource[1024];
// Copy Flags
#define COPY_FOLDER_RECURSIVE 2
#define COPY_DELETE_ON_FINISH 1
#define COPY_KEEP_ON_FINISH 0
#define NOTHING_TO_COPY -1
// Copy Mode
// -1 Nothing
// 0 Copy
// 1 Move
int copymode = NOTHING_TO_COPY;
// Generic Definitions
#define CLEAR 1
#define KEEP 0
// GUI Definitions
#define FONT_SIZE 7
#define PADDING 3
#define FONT_COLOR 0xFFFFFF
#define FONT_SELECT_COLOR 0xFFD800
#define BACK_COLOR 0xBCAD94
#define CENTER_X(s) (240 - ((strlen(s) * FONT_SIZE) >> 1))
#define RIGHT_X(s) (480 - (strlen(s) * FONT_SIZE))
#define CENTER_Y 132
#define FILES_PER_PAGE 18
// Button Test Macro
#define PRESSED(b, a, m) (((b & m) == 0) && ((a & m) == m))
// File Information Structure
typedef struct File
{
// Next Item
struct File * next;
// Folder Flag
int isFolder;
// File Name
char name[256];
} File;
// Prototypes
void printoob(char * text, int x, int y, unsigned int color);
void updateList(int clearindex);
void paintList(int withclear);
void recursiveFree(File * node);
void start(void);
int delete(void);
int navigate(void);
void copy(int flag);
int paste(void);
File * findindex(int index);
int delete_folder_recursive(char * path);
int copy_file(char * a, char * b);
int copy_folder_recursive(char * a, char * b);
int isPathISO(const char * path);
int isPathCSO(const char * path);
int isGameISO(const char * path);
// Menu Position
int position = 0;
// Number of Files
int filecount = 0;
// File List
File * files = NULL;
// Entry Point
int main()
{
vhlSetIntSetting(VARIABLE_EXIT_MASK, PSP2_CTRL_SELECT | PSP2_CTRL_START);
// Set Start Path
strcpy(cwd, START_PATH);
// Initialize Screen Output
if(init_video() < 0)return -1;
// Update List
updateList(CLEAR);
// Paint List
paintList(KEEP);
// Last Buttons
unsigned int lastbuttons = 0;
// Input Loop
while(1)
{
// Button Data
SceCtrlData data;
// Clear Memory
memset(&data, 0, sizeof(data));
// Read Button Data
sceCtrlSetSamplingMode(1);
sceCtrlPeekBufferPositive(0, &data, 1);
// Other Commands
if(filecount > 0)
{
// Start File
if(PRESSED(lastbuttons, data.buttons, PSP2_CTRL_START))
{
// Start File
start();
}
// Delete File
else if(PRESSED(lastbuttons, data.buttons, PSP2_CTRL_SELECT))
{
// Delete File
if(delete() == 0)
{
// Update List
updateList(KEEP);
// Paint List
paintList(CLEAR);
}
}
// Position Decrement
else if(PRESSED(lastbuttons, data.buttons, PSP2_CTRL_UP))
{
// Decrease Position
if(position > 0) position--;
// Rewind Pointer
else position = filecount - 1;
// Paint List
paintList(KEEP);
}
// Position Increment
else if(PRESSED(lastbuttons, data.buttons, PSP2_CTRL_DOWN))
{
// Increase Position
if(position < (filecount - 1)) position++;
// Rewind Pointer
else position = 0;
// Paint List
paintList(KEEP);
}
// Runlevel Change
else if(PRESSED(lastbuttons, data.buttons, PSP2_CTRL_LEFT))
{
if(--mode < 0) mode = MODE_MAX - 1;
// Paint List
paintList(CLEAR);
}
else if(PRESSED(lastbuttons, data.buttons, PSP2_CTRL_RIGHT))
{
if(++mode >= MODE_MAX) mode = 0;
// Paint List
paintList(CLEAR);
}
// Navigate to Folder
else if(PRESSED(lastbuttons, data.buttons, PSP2_CTRL_CROSS))
{
// Attempt to navigate to Target
if(navigate() == 0)
{
// Update List
updateList(CLEAR);
// Paint List
paintList(CLEAR);
}
}
// Copy
else if(PRESSED(lastbuttons, data.buttons, PSP2_CTRL_SQUARE))
{
// Copy File
copy(COPY_KEEP_ON_FINISH);
// Paint List
paintList(KEEP);
}
// Cut
else if(PRESSED(lastbuttons, data.buttons, PSP2_CTRL_TRIANGLE))
{
// Copy File
copy(COPY_DELETE_ON_FINISH);
// Paint List
paintList(KEEP);
}
// Paste
else if(PRESSED(lastbuttons, data.buttons, PSP2_CTRL_CIRCLE))
{
// Paste File
if(paste() == 0)
{
// Update List
updateList(KEEP);
// Paint List
paintList(CLEAR);
}
}
}
// Copy Buttons to Memory
lastbuttons = data.buttons;
// Delay Thread (~100FPS are enough)
sceKernelDelayThread(10000);
}
end_video();
sceKernelExitProcess(0); // Exits PSM bubble
// Exit Function
return 0;
}
// Print Out of Bounds Text
void printoob(char * text, int x, int y, unsigned int color)
{
// Convert screen coordinates from 480x272 to 960x544
font_draw_string((x*2*95)/100, y*2, color, text);
}
// Update File List
void updateList(int clearindex)
{
// Clear List
recursiveFree(files);
files = NULL;
filecount = 0;
// Open Working Directory
int directory = sceIoDopen(cwd);
// Opened Directory
if(directory >= 0)
{
/* Add fake ".." entry except on root */
if (strcmp(cwd, ROOT_PATH)) {
// New List
files = (File *)malloc(sizeof(File));
// Clear Memory
memset(files, 0, sizeof(File));
// Copy File Name
strcpy(files->name, "..");
// Set Folder Flag
files->isFolder = 1;
filecount++;
}
// File Info Read Result
int dreadresult = 1;
// Iterate Files
while(dreadresult > 0)
{
// File Info
SceIoDirent info;
// Clear Memory
memset(&info, 0, sizeof(info));
// Read File Data
dreadresult = sceIoDread(directory, &info);
// Read Success
if(dreadresult >= 0)
{
// Ingore null filename
if(info.d_name[0] == '\0') continue;
// Ignore "." in all Directories
if(strcmp(info.d_name, ".") == 0) continue;
// Ignore ".." in Root Directory
if(strcmp(cwd, ROOT_PATH) == 0 && strcmp(info.d_name, "..") == 0) continue;
// Allocate Memory
File * item = (File *)malloc(sizeof(File));
// Clear Memory
memset(item, 0, sizeof(File));
// Copy File Name
strcpy(item->name, info.d_name);
// Set Folder Flag
item->isFolder = PSP2_S_ISDIR(info.d_stat.st_mode);
// New List
if(files == NULL) files = item;
// Existing List
else
{
// Iterator Variable
File * list = files;
// Append to List
while(list->next != NULL) list = list->next;
// Link Item
list->next = item;
}
// Increase File Count
filecount++;
}
}
// Close Directory
sceIoDclose(directory);
}
// Attempt to keep Index
if(!clearindex)
{
// Fix Position
if(position >= filecount) position = filecount - 1;
}
// Reset Position
else position = 0;
}
char *getModeStr(int mode)
{
switch(mode)
{/*
case MODE_HOMEBREW:
return "Application";
case MODE_ISO:
return "Game Image";
case MODE_POPS:
return "Pops";*/
case MODE_HOMEBREW:
return "Mode0";
case MODE_ISO:
return "Mode1";
case MODE_POPS:
return "Mode2";
}
return NULL;
}
// Paint Picker List
void paintList(int withclear)
{
// Clear Screen
//if(withclear)
clear_screen();
// Paint Current Path
printoob(cwd, 10, 10, FONT_COLOR);
// Paint Current Runlevel
char * strrunlevel = getModeStr(mode);
printoob(strrunlevel, RIGHT_X(strrunlevel) - 10, 10, FONT_COLOR);
// Paint Controls
printoob("[ UP & DOWN ] File Selection", 10, 252, FONT_COLOR);
printoob("[ LEFT & RIGHT ] Mode Selection", 10, 262, FONT_COLOR);
printoob("[ START ] Launch", 330, 252, FONT_COLOR);
printoob("[ SELECT ] Delete", 330, 262, FONT_COLOR);
printoob("SQUARE Copy", 345, 120, FONT_COLOR);
printoob("TRIANGLE Cut", 345, 130, FONT_COLOR);
printoob("CIRCLE Paste", 345, 140, FONT_COLOR);
printoob("CROSS Navigate", 345, 150, FONT_COLOR);
// Copy Paste in Progress
if(copymode != NOTHING_TO_COPY)
{
// Get Cache Source Filename
char * filename = NULL; int i = 0; for(; i < strlen(copysource); i++) if(copysource[i] == '/') filename = copysource + i + 1;
// Paint to Screen
printoob(filename, 10, 242, FONT_SELECT_COLOR);
}
// File Iterator Variable
int i = 0;
// Print Counter
int printed = 0;
// Paint File List
File * file = files;
for(; file != NULL; file = file->next)
{
// Printed enough already
if(printed == FILES_PER_PAGE) break;
// Interesting File
if(position < FILES_PER_PAGE || i > (position - FILES_PER_PAGE))
{
// Default Font Color
unsigned int color = FONT_COLOR;
// Selected File Font Color
if(i == position) color = FONT_SELECT_COLOR;
// Print Node Type
printoob((file->isFolder) ? ("D") : ("F"), 10, 30 + (FONT_SIZE + PADDING) * printed, FONT_COLOR);
char buf[64];
strncpy(buf, file->name, sizeof(buf));
buf[sizeof(buf) - 1] = '\0';
int len = strlen(buf);
len = 40 - len;
while(len-- > 0)
{
strcat(buf, " ");
}
// Print Filename
printoob(buf, 20, 30 + (FONT_SIZE + PADDING) * printed, color);
// Increase Print Counter
printed++;
}
// Increase Counter
i++;
}
swap_buffers();
sceDisplayWaitVblankStart();
}
// Free Heap Memory
void recursiveFree(File * node)
{
// End of List
if(node == NULL) return;
// Nest Further
recursiveFree(node->next);
// Free Memory
free(node);
}
// ISO File Check
int isPathISO(const char *path)
{
const char *ext;
ext = path + strlen(path) - 4;
if (ext > path)
{
//check extension
if (strcasecmp(ext, ".iso") == 0)
{
return 1;
}
}
return 0;
}
// CSO File Check
int isPathCSO(const char * path)
{
// Result (Not CSO)
int result = 0;
// Open File
SceUID fd = sceIoOpen(path, PSP2_O_RDONLY, 0777);
// Opened File
if(fd >= 0)
{
// Header Buffer
unsigned char header[4];
// Read Header
if(sizeof(header) == sceIoRead(fd, header, sizeof(header)))
{
// CSO Header Magic
unsigned char isoFlags[4] = {
0x43, 0x49, 0x53, 0x4F
};
// Valid Magic
if(0 == memcmp(header, isoFlags, sizeof(header)))
{
// CSO File
result = 1;
}
}
// Close File
sceIoClose(fd);
}
// Return Result
return result;
}
// Game ISO File Check (this crashes for some reason...)
int isGameISO(const char * path)
{
// ISO or CSO File
if(isPathISO(path) || isPathCSO(path))
{
// Game ISO
return 1;
}
// Something else...
return 0;
}
int getRunlevelMode(int mode)
{
switch(mode)
{
case MODE_HOMEBREW:
return HOMEBREW_RUNLEVEL;
case MODE_ISO:
return ISO_RUNLEVEL;
case MODE_POPS:
return POPS_RUNLEVEL;
}
return -1;
}
// Start Application
void start(void)
{
// Find File
File * file = findindex(position);
// Not a valid file
if(file == NULL || file->isFolder) return;
char hbrewPath[1536];
strcpy(hbrewPath, cwd);
strcat(hbrewPath, file->name);
end_video();
printf("Loading %s", hbrewPath);
sceAppMgrLoadExec(hbrewPath, NULL, NULL);
init_video();
paintList(1);
}
// Delete Application
int delete(void)
{
// Find File
File * file = findindex(position);
// Not found
if(file == NULL) return -1;
if(strcmp(file->name, "..") == 0) return -2;
// File Path
char path[1024];
// Puzzle Path
strcpy(path, cwd);
strcpy(path + strlen(path), file->name);
// Delete Folder
if(file->isFolder)
{
// Add Trailing Slash
path[strlen(path) + 1] = 0;
path[strlen(path)] = '/';
// Delete Folder
return delete_folder_recursive(path);
}
// Delete File
else return sceIoRemove(path);
}
// Navigate to Folder
int navigate(void)
{
// Find File
File * file = findindex(position);
// Not a Folder
if(file == NULL || !file->isFolder) return -1;
// Special Case ".."
if(strcmp(file->name, "..") == 0)
{
// Slash Pointer
char * slash = NULL;
// Find Last '/' in Working Directory
int i = strlen(cwd) - 2; for(; i >= 0; i--)
{
// Slash discovered
if(cwd[i] == '/')
{
// Save Pointer
slash = cwd + i + 1;
// Stop Search
break;
}
}
// Terminate Working Directory
slash[0] = 0;
}
// Normal Folder
else
{
// Append Folder to Working Directory
strcpy(cwd + strlen(cwd), file->name);
cwd[strlen(cwd) + 1] = 0;
cwd[strlen(cwd)] = '/';
}
// Return Success
return 0;
}
// Copy File or Folder
void copy(int flag)
{
// Find File
File * file = findindex(position);
// Not found
if(file == NULL) return;
// Copy File Source
strcpy(copysource, cwd);
strcpy(copysource + strlen(copysource), file->name);
// Add Recursive Folder Flag
if(file->isFolder) flag |= COPY_FOLDER_RECURSIVE;
// Set Copy Flags
copymode = flag;
}
// Paste File or Folder
int paste(void)
{
// No Copy Source
if(copymode == NOTHING_TO_COPY) return -1;
// Source and Target Folder are identical
char * lastslash = NULL; int i = 0; for(; i < strlen(copysource); i++) if(copysource[i] == '/') lastslash = copysource + i;
char backup = lastslash[1];
lastslash[1] = 0;
int identical = strcmp(copysource, cwd) == 0;
lastslash[1] = backup;
if(identical) return -2;
// Source Filename
char * filename = lastslash + 1;
// Required Target Path Buffer Size
int requiredlength = strlen(cwd) + strlen(filename) + 1;
// Allocate Target Path Buffer
char * copytarget = (char *)malloc(requiredlength);
// Puzzle Target Path
strcpy(copytarget, cwd);
strcpy(copytarget + strlen(copytarget), filename);
// Return Result
int result = -3;
// Recursive Folder Copy
if((copymode & COPY_FOLDER_RECURSIVE) == COPY_FOLDER_RECURSIVE)
{
// Check Files in current Folder
File * node = files; for(; node != NULL; node = node->next)
{
// Found a file matching the name (folder = ok, file = not)
if(strcmp(filename, node->name) == 0 && !node->isFolder)
{
// Error out
return -4;
}
}
// Copy Folder recursively
result = copy_folder_recursive(copysource, copytarget);
// Source Delete
if(result == 0 && (copymode & COPY_DELETE_ON_FINISH) == COPY_DELETE_ON_FINISH)
{
// Append Trailing Slash (for recursion to work)
copysource[strlen(copysource) + 1] = 0;
copysource[strlen(copysource)] = '/';
// Delete Source
delete_folder_recursive(copysource);
}
}
// Simple File Copy
else
{
// Copy File
result = copy_file(copysource, copytarget);
// Source Delete
if(result == 0 && (copymode & COPY_DELETE_ON_FINISH) == COPY_DELETE_ON_FINISH)
{
// Delete File
sceIoRemove(copysource);
}
}
// Paste Success
if(result == 0)
{
// Erase Cache Data
memset(copysource, 0, sizeof(copysource));
copymode = NOTHING_TO_COPY;
}
// Free Target Path Buffer
free(copytarget);
// Return Result
return result;
}
// Find File Information by Index
File * findindex(int index)
{
// File Iterator Variable
int i = 0;
// Find File Item
File * file = files; for(; file != NULL && i != index; file = file->next) i++;
// Return File
return file;
}
// Delete Folder (recursively)
int delete_folder_recursive(char * path)
{
// Internal File List
File * filelist = NULL;
// Open Working Directory
int directory = sceIoDopen(path);
// Opened Directory
if(directory >= 0)
{
// File Info Read Result
int dreadresult = 1;
// Iterate Files
while(dreadresult > 0)
{
// File Info
SceIoDirent info;
// Clear Memory
memset(&info, 0, sizeof(info));
// Read File Data
dreadresult = sceIoDread(directory, &info);
// Read Success
if(dreadresult >= 0)
{
// Valid Filename
if(strlen(info.d_name) > 0)
{
if(strcmp(info.d_name, ".") == 0 || strcmp(info.d_name, "..") == 0)
{
continue;
}
// Allocate Memory
File * item = (File *)malloc(sizeof(File));
// Clear Memory
memset(item, 0, sizeof(File));
// Copy File Name
strcpy(item->name, info.d_name);
// Set Folder Flag
item->isFolder = PSP2_S_ISDIR(info.d_stat.st_mode);
// New List
if(filelist == NULL) filelist = item;
// Existing List
else
{
// Iterator Variable
File * list = filelist;
// Append to List
while(list->next != NULL) list = list->next;
// Link Item
list->next = item;
}
}
}
}
// Close Directory
sceIoDclose(directory);
}
// List Node
File * node = filelist;
// Iterate Files
for(; node != NULL; node = node->next)
{
// Directory
if(node->isFolder)
{
// Required Buffer Size
int size = strlen(path) + strlen(node->name) + 2;
// Allocate Buffer
char * buffer = (char *)malloc(size);
// Combine Path
strcpy(buffer, path);
strcpy(buffer + strlen(buffer), node->name);
buffer[strlen(buffer) + 1] = 0;
buffer[strlen(buffer)] = '/';
// Recursion Delete
delete_folder_recursive(buffer);
// Free Memory
free(buffer);
}
// File
else
{
// Required Buffer Size
int size = strlen(path) + strlen(node->name) + 1;
// Allocate Buffer
char * buffer = (char *)malloc(size);
// Combine Path
strcpy(buffer, path);
strcpy(buffer + strlen(buffer), node->name);
// Delete File
sceIoRemove(buffer);
// Free Memory
free(buffer);
}
}
// Free temporary List
recursiveFree(filelist);
// Delete now empty Folder
return sceIoRmdir(path);
}
// Copy File from A to B
int copy_file(char * a, char * b)
{
// Chunk Size
int chunksize = 512 * 1024;
// Reading Buffer
char * buffer = (char *)malloc(chunksize);
// Accumulated Writing
int totalwrite = 0;
// Accumulated Reading
int totalread = 0;
// Result
int result = 0;
// Open File for Reading
int in = sceIoOpen(a, PSP2_O_RDONLY, 0777);
// Opened File for Reading
if(in >= 0)
{
// Delete Output File (if existing)
sceIoRemove(b);
// Open File for Writing
int out = sceIoOpen(b, PSP2_O_WRONLY | PSP2_O_CREAT, 0777);
// Opened File for Writing
if(out >= 0)
{
// Read Byte Count
int read = 0;
// Copy Loop (512KB at a time)
while((read = sceIoRead(in, buffer, chunksize)) > 0)
{
// Accumulate Read Data
totalread += read;
// Write Data
totalwrite += sceIoWrite(out, buffer, read);
}