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

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