minecraft-pi-reborn/mods/src/sign/sign.cpp

68 lines
2.0 KiB
C++

#include <vector>
#include <SDL/SDL.h>
#include <libreborn/libreborn.h>
#include <symbols/minecraft.h>
#include <mods/init/init.h>
#include <mods/feature/feature.h>
#include <mods/input/input.h>
#include <mods/sign/sign.h>
// Handle Backspace
static int32_t sdl_key_to_minecraft_key_injection(int32_t sdl_key) {
if (sdl_key == SDLK_BACKSPACE) {
return 8;
} else {
// Call Original Method
return Common_sdl_key_to_minecraft_key(sdl_key);
}
}
// Open Sign Screen
static void LocalPlayer_openTextEdit_injection(LocalPlayer *local_player, TileEntity *sign) {
if (sign->id == 4) {
Minecraft *minecraft = local_player->minecraft;
TextEditScreen *screen = alloc_TextEditScreen();
ALLOC_CHECK(screen);
screen = TextEditScreen_constructor(screen, (SignTileEntity *) sign);
Minecraft_setScreen(minecraft, (Screen *) screen);
}
}
// Store Text Input
std::vector<char> input;
void sign_key_press(char key) {
input.push_back(key);
}
static void clear_input(__attribute__((unused)) Minecraft *minecraft) {
input.clear();
}
// Handle Text Input
static void TextEditScreen_updateEvents_injection(TextEditScreen *screen) {
// Call Original Method
TextEditScreen_updateEvents_non_virtual(screen);
if (!screen->passthrough_input) {
for (char key : input) {
// Handle Normal Key
screen->vtable->keyboardNewChar(screen, key);
}
}
clear_input(NULL);
}
// Init
void init_sign() {
if (feature_has("Fix Sign Placement", server_disabled)) {
// Handle Backspace
overwrite_calls((void *) Common_sdl_key_to_minecraft_key, (void *) sdl_key_to_minecraft_key_injection);
// 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);
}
}