Fix Signs With CP-437
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c11c7203ef
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@ -155,34 +155,42 @@ static void glfw_key(__attribute__((unused)) GLFWwindow *window, int key, int sc
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event.key.keysym.mod = glfw_modifier_to_sdl_modifier(mods);
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event.key.keysym.sym = glfw_key_to_sdl_key(key);
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SDL_PushEvent(&event);
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if (key == GLFW_KEY_BACKSPACE && !up) {
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character_event('\b');
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}
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}
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}
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// Pass Text To Minecraft
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static void codepoint_to_utf8(unsigned char *const buffer, const unsigned int code) {
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// https://stackoverflow.com/a/42013433/16198887
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if (code <= 0x7f) {
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buffer[0] = code;
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} else if (code <= 0x7ff) {
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buffer[0] = 0xc0 | (code >> 6); // 110xxxxx
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buffer[1] = 0x80 | (code & 0x3f); // 10xxxxxx
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} else if (code <= 0xffff) {
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buffer[0] = 0xe0 | (code >> 12); // 1110xxxx
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buffer[1] = 0x80 | ((code >> 6) & 0x3f); // 10xxxxxx
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buffer[2] = 0x80 | (code & 0x3f); // 10xxxxxx
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} else if (code <= 0x10ffff) {
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buffer[0] = 0xf0 | (code >> 18); // 11110xxx
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buffer[1] = 0x80 | ((code >> 12) & 0x3f); // 10xxxxxx
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buffer[2] = 0x80 | ((code >> 6) & 0x3f); // 10xxxxxx
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buffer[3] = 0x80 | (code & 0x3f); // 10xxxxxx
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}
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}
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static void glfw_char(__attribute__((unused)) GLFWwindow *window, unsigned int codepoint) {
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if (is_interactable) {
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// Signs Only Accepts ASCII Characters
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size_t in_size = 4; // 1 UTF-32LE Codepoint
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size_t out_size = 4; // 4 ASCII Characters Max
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size_t real_out_size = out_size + 1 /* NULL-terminator */;
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char *output = (char *) malloc(real_out_size);
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ALLOC_CHECK(output);
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memset(output, 0, real_out_size);
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iconv_t cd = iconv_open("ASCII//TRANSLIT", "UTF-32LE");
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if (cd != (iconv_t) -1) {
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safe_iconv(cd, (char *) &codepoint, in_size, output, out_size);
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iconv_close(cd);
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} else {
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IMPOSSIBLE();
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}
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for (size_t i = 0; output[i] != '\0'; i++) {
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character_event(output[i]);
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// Convert
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size_t str_size = 4 /* Maximum UTF-8 character size */ + 1 /* NULL-terminator */;
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char str[str_size];
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memset(str, 0, str_size);
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codepoint_to_utf8((unsigned char *) str, codepoint);
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char *cp437_str = to_cp437(str);
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// Send Event·
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for (int i = 0; cp437_str[i] != '\0'; i++) {
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character_event(cp437_str[i]);
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}
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// Free
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free(output);
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free(cp437_str);
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}
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}
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@ -66,7 +66,7 @@ else()
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target_link_libraries(input mods-headers reborn-patch symbols creative feature misc media-layer-core)
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add_library(sign SHARED src/sign/sign.cpp)
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target_link_libraries(sign mods-headers reborn-patch symbols feature input)
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target_link_libraries(sign mods-headers reborn-patch symbols feature input media-layer-core)
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add_library(touch SHARED src/touch/touch.cpp)
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target_link_libraries(touch mods-headers reborn-patch symbols feature)
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@ -1,5 +1,6 @@
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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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@ -8,6 +9,16 @@
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#include <mods/input/input.h>
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#include <mods/sign/sign.h>
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// Handle Backspace
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static int32_t sdl_key_to_minecraft_key_injection(int32_t sdl_key) {
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if (sdl_key == SDLK_BACKSPACE) {
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return 8;
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} else {
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// Call Original Method
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return (*sdl_key_to_minecraft_key)(sdl_key);
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}
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}
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// Open Sign Screen
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static void LocalPlayer_openTextEdit_injection(unsigned char *local_player, unsigned char *sign) {
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if (*(int32_t *) (sign + TileEntity_id_property_offset) == 4) {
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@ -19,18 +30,10 @@ static void LocalPlayer_openTextEdit_injection(unsigned char *local_player, unsi
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}
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}
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#define BACKSPACE_KEY 8
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static int is_valid_key(char key) {
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return (key >= 32 && key <= 126) || key == BACKSPACE_KEY;
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}
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// Store Text Input
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std::vector<char> input;
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void sign_key_press(char key) {
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if (is_valid_key(key)) {
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input.push_back(key);
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}
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input.push_back(key);
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}
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static void clear_input(__attribute__((unused)) unsigned char *minecraft) {
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input.clear();
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@ -41,16 +44,11 @@ static void TextEditScreen_updateEvents_injection(unsigned char *screen) {
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// Call Original Method
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(*Screen_updateEvents)(screen);
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if (*(char *)(screen + 4) == '\0') {
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if (!*(bool *)(screen + Screen_passthrough_input_property_offset)) {
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unsigned char *vtable = *(unsigned char **) screen;
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for (char key : input) {
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if (key == BACKSPACE_KEY) {
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// Handle Backspace
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(*(Screen_keyPressed_t *) (vtable + Screen_keyPressed_vtable_offset))(screen, BACKSPACE_KEY);
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} else {
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// Handle Normal Key
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(*(Screen_keyboardNewChar_t *) (vtable + Screen_keyboardNewChar_vtable_offset))(screen, key);
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}
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// Handle Normal Key
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(*(Screen_keyboardNewChar_t *) (vtable + Screen_keyboardNewChar_vtable_offset))(screen, key);
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}
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}
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clear_input(NULL);
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@ -59,10 +57,12 @@ static void TextEditScreen_updateEvents_injection(unsigned char *screen) {
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// Init
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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 *) sdl_key_to_minecraft_key, (void *) sdl_key_to_minecraft_key_injection);
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// Fix Signs
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patch_address(LocalPlayer_openTextEdit_vtable_addr, (void *) LocalPlayer_openTextEdit_injection);
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patch_address(TextEditScreen_updateEvents_vtable_addr, (void *) TextEditScreen_updateEvents_injection);
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// Clear input On Input Tick
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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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}
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@ -18,6 +18,9 @@ static renderCursor_t renderCursor = (renderCursor_t) 0x480c4;
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typedef void (*sleepMs_t)(int32_t x);
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static sleepMs_t sleepMs = (sleepMs_t) 0x13cf4;
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typedef int32_t (*sdl_key_to_minecraft_key_t)(int32_t sdl_key);
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static sdl_key_to_minecraft_key_t sdl_key_to_minecraft_key = (sdl_key_to_minecraft_key_t) 0x1243c;
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static char **default_path = (char **) 0xe264; // /.minecraft/
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static char **default_username = (char **) 0x18fd4; // StevePi
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static char **minecraft_pi_version = (char **) 0x39d94; // v0.1.1 alpha
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@ -554,6 +557,7 @@ static uint32_t Screen_rendered_buttons_property_offset = 0x18; // std::vector<B
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static uint32_t Screen_selectable_buttons_property_offset = 0x30; // std::vector<Button *>
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static uint32_t Screen_width_property_offset = 0x8; // int32_t
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static uint32_t Screen_height_property_offset = 0xc; // int32_t
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static uint32_t Screen_passthrough_input_property_offset = 0x10; // bool
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// Button
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