69 lines
2.1 KiB
C++
69 lines
2.1 KiB
C++
#include <vector>
|
|
|
|
#include <libreborn/libreborn.h>
|
|
#include <libreborn/minecraft.h>
|
|
|
|
#include "../init/init.h"
|
|
#include "../feature/feature.h"
|
|
#include "../input/input.h"
|
|
#include "sign.h"
|
|
|
|
// Open Sign Screen
|
|
static void LocalPlayer_openTextEdit_injection(unsigned char *local_player, unsigned char *sign) {
|
|
if (*(int32_t *) (sign + TileEntity_id_property_offset) == 4) {
|
|
unsigned char *minecraft = *(unsigned char **) (local_player + LocalPlayer_minecraft_property_offset);
|
|
unsigned char *screen = (unsigned char *) ::operator new(TEXT_EDIT_SCREEN_SIZE);
|
|
ALLOC_CHECK(screen);
|
|
screen = (*TextEditScreen)(screen, sign);
|
|
(*Minecraft_setScreen)(minecraft, screen);
|
|
}
|
|
}
|
|
|
|
#define BACKSPACE_KEY 8
|
|
|
|
static int is_valid_key(char key) {
|
|
return (key >= 32 && key <= 126) || key == BACKSPACE_KEY;
|
|
}
|
|
|
|
// Store Text Input
|
|
std::vector<char> input;
|
|
void sign_key_press(char key) {
|
|
if (is_valid_key(key)) {
|
|
input.push_back(key);
|
|
}
|
|
}
|
|
static void clear_input(__attribute__((unused)) unsigned char *minecraft) {
|
|
input.clear();
|
|
}
|
|
|
|
// Handle Text Input
|
|
static void TextEditScreen_updateEvents_injection(unsigned char *screen) {
|
|
// Call Original Method
|
|
(*Screen_updateEvents)(screen);
|
|
|
|
if (*(char *)(screen + 4) == '\0') {
|
|
uint32_t vtable = *((uint32_t *) screen);
|
|
for (char key : input) {
|
|
if (key == BACKSPACE_KEY) {
|
|
// Handle Backspace
|
|
(*(Screen_keyPressed_t *) (vtable + Screen_keyPressed_vtable_offset))(screen, BACKSPACE_KEY);
|
|
} else {
|
|
// Handle Nrmal Key
|
|
(*(Screen_keyboardNewChar_t *) (vtable + Screen_keyboardNewChar_vtable_offset))(screen, key);
|
|
}
|
|
}
|
|
}
|
|
clear_input(NULL);
|
|
}
|
|
|
|
// Init
|
|
void init_sign() {
|
|
if (feature_has("Fix Sign Placement", 0)) {
|
|
// Fix Signs
|
|
patch_address(LocalPlayer_openTextEdit_vtable_addr, (void *) LocalPlayer_openTextEdit_injection);
|
|
patch_address(TextEditScreen_updateEvents_vtable_addr, (void *) TextEditScreen_updateEvents_injection);
|
|
// Clear input On Input Tick
|
|
input_run_on_tick(clear_input);
|
|
}
|
|
}
|