VitaShell/sfo.c
2016-09-03 22:14:07 +02:00

125 lines
3.1 KiB
C

/*
VitaShell
Copyright (C) 2015-2016, TheFloW
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "main.h"
#include "archive.h"
#include "file.h"
#include "text.h"
#include "hex.h"
#include "message_dialog.h"
#include "theme.h"
#include "language.h"
#include "utils.h"
#include "sfo.h"
int SFOReader(char *file) {
uint8_t *buffer = malloc(BIG_BUFFER_SIZE);
if (!buffer)
return -1;
int size = 0;
if (isInArchive()) {
size = ReadArchiveFile(file, buffer, BIG_BUFFER_SIZE);
} else {
size = ReadFile(file, buffer, BIG_BUFFER_SIZE);
}
if (size <= 0) {
free(buffer);
return size;
}
SfoHeader *sfo_header = (SfoHeader *)buffer;
if (sfo_header->magic != SFO_MAGIC)
return -1;
int base_pos = 0, rel_pos = 0;
while (1) {
readPad();
if (pressed_buttons & SCE_CTRL_CANCEL) {
break;
}
if (hold_buttons & SCE_CTRL_UP || hold2_buttons & SCE_CTRL_LEFT_ANALOG_UP) {
if (rel_pos > 0) {
rel_pos--;
} else {
if (base_pos > 0) {
base_pos--;
}
}
} else if (hold_buttons & SCE_CTRL_DOWN || hold2_buttons & SCE_CTRL_LEFT_ANALOG_DOWN) {
if ((rel_pos + 1) < sfo_header->count) {
if ((rel_pos + 1) < MAX_POSITION) {
rel_pos++;
} else {
if ((base_pos + rel_pos + 1) < sfo_header->count) {
base_pos++;
}
}
}
}
// Start drawing
startDrawing(bg_text_image);
// Draw shell info
drawShellInfo(file);
// Draw scroll bar
drawScrollBar(base_pos, sfo_header->count);
int i;
for (i = 0; i < MAX_ENTRIES && (base_pos + i) < sfo_header->count; i++) {
SfoEntry *entries = (SfoEntry *)(buffer + sizeof(SfoHeader) + (sizeof(SfoEntry) * (i + base_pos)));
uint32_t color = (rel_pos == i) ? FOCUS_COLOR : GENERAL_COLOR;
char *name = (char *)buffer + sfo_header->keyofs + entries->nameofs;
pgf_draw_textf(SHELL_MARGIN_X, START_Y + (FONT_Y_SPACE * i), color, FONT_SIZE, "%s", name);
char string[128];
void *data = (void *)buffer + sfo_header->valofs + entries->dataofs;
switch (entries->type) {
case PSF_TYPE_BIN:
break;
case PSF_TYPE_STR:
snprintf(string, sizeof(string), "%s", (char *)data);
break;
case PSF_TYPE_VAL:
snprintf(string, sizeof(string), "%X", *(unsigned int *)data);
break;
}
pgf_draw_textf(ALIGN_LEFT(INFORMATION_X, vita2d_pgf_text_width(font, FONT_SIZE, string)), START_Y + (FONT_Y_SPACE * i), color, FONT_SIZE, string);
}
// End drawing
endDrawing();
}
free(buffer);
return 0;
}