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Add limit to jumping and swap left/right when editing byte value

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This commit is contained in:
Pk11 2021-03-10 00:28:35 -06:00
parent f4032dd4dc
commit d8090ed60f
1 changed files with 16 additions and 10 deletions
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26
arm9/source/hexEditor.cpp
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@ -6,7 +6,7 @@
#include <stdio.h> #include <stdio.h>
u32 jumpToOffset(u32 offset) { u32 jumpToOffset(u32 offset, u32 limit) {
consoleClear(); consoleClear();
u8 cursorPosition = 0; u8 cursorPosition = 0;
@ -26,9 +26,11 @@ u32 jumpToOffset(u32 offset) {
} while(!held); } while(!held);
if(held & KEY_UP) { if(held & KEY_UP) {
offset += 0x10 << (cursorPosition * 4); if(offset + (0x10 << (cursorPosition * 4)) < limit - 8 * 23)
offset += 0x10 << (cursorPosition * 4);
} else if(held & KEY_DOWN) { } else if(held & KEY_DOWN) {
offset -= 0x10 << (cursorPosition * 4); if(offset - (0x10 << (cursorPosition * 4)) > 0)
offset -= 0x10 << (cursorPosition * 4);
} else if(held & KEY_LEFT) { } else if(held & KEY_LEFT) {
if(cursorPosition < 6) if(cursorPosition < 6)
cursorPosition++; cursorPosition++;
@ -65,7 +67,7 @@ void hexEditor(const char *path) {
printf("\x1B[0;11H\x1B[42mHex Editor"); printf("\x1B[0;11H\x1B[42mHex Editor");
printf("\x1B[0;0H\x1B[37m%04lx", offset >> 0x10); printf("\x1B[0;0H\x1B[37m%04lx", offset >> 0x10);
if(mode < 2 && held & (KEY_UP | KEY_DOWN | KEY_LEFT | KEY_RIGHT)) { if(mode < 2) {
fseek(file, offset, SEEK_SET); fseek(file, offset, SEEK_SET);
fread(data, 1, sizeof(data), file); fread(data, 1, sizeof(data), file);
} }
@ -88,8 +90,12 @@ void hexEditor(const char *path) {
} }
// Change color of selected char // Change color of selected char
if(mode > 0) if(mode > 0) {
printf("\x1B[%d;%dH\x1B[%dm%c", 1 + cursorPosition / 8, 23 + cursorPosition % 8, mode > 1 ? 41 : 31, data[cursorPosition]); char c = data[cursorPosition];
if(c < ' ' || c > 127)
c = ' ';
printf("\x1B[%d;%dH\x1B[%dm%c", 1 + cursorPosition / 8, 23 + cursorPosition % 8, mode > 1 ? 41 : 31, c);
}
do { do {
swiWaitForVBlank(); swiWaitForVBlank();
@ -124,7 +130,7 @@ void hexEditor(const char *path) {
} else if (pressed & KEY_B) { } else if (pressed & KEY_B) {
return; return;
} else if(pressed & KEY_Y) { } else if(pressed & KEY_Y) {
offset = jumpToOffset(offset); offset = jumpToOffset(offset, fileSize);
consoleClear(); consoleClear();
} }
} else if(mode == 1) { } else if(mode == 1) {
@ -153,7 +159,7 @@ void hexEditor(const char *path) {
} else if (pressed & KEY_B) { } else if (pressed & KEY_B) {
mode = 0; mode = 0;
} else if(pressed & KEY_Y) { } else if(pressed & KEY_Y) {
offset = jumpToOffset(offset); offset = jumpToOffset(offset, fileSize);
consoleClear(); consoleClear();
} }
} else if(mode == 2) { } else if(mode == 2) {
@ -162,9 +168,9 @@ void hexEditor(const char *path) {
} else if (held & KEY_DOWN) { } else if (held & KEY_DOWN) {
data[cursorPosition]--; data[cursorPosition]--;
} else if (held & KEY_LEFT) { } else if (held & KEY_LEFT) {
data[cursorPosition] += 0x10;
} else if (held & KEY_RIGHT) {
data[cursorPosition] -= 0x10; data[cursorPosition] -= 0x10;
} else if (held & KEY_RIGHT) {
data[cursorPosition] += 0x10;
} else if (pressed & (KEY_A | KEY_B)) { } else if (pressed & (KEY_A | KEY_B)) {
mode = 1; mode = 1;
fseek(file, offset + cursorPosition, SEEK_SET); fseek(file, offset + cursorPosition, SEEK_SET);