2020-10-02 02:17:22 +00:00
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#include <string>
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#include <fstream>
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#include <streambuf>
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2020-10-04 00:30:15 +00:00
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#include <vector>
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2020-10-02 02:17:22 +00:00
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#include <unistd.h>
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2020-10-04 00:30:15 +00:00
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#include <libcore/libcore.h>
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#include "extra.h"
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2020-10-10 23:02:13 +00:00
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#include "cxx11_util.h"
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#include <cstdio>
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2020-10-04 00:30:15 +00:00
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2020-10-02 02:17:22 +00:00
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extern "C" {
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2020-11-07 22:19:45 +00:00
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static cxx11_string AppPlatform_readAssetFile(__attribute__((unused)) unsigned char *app_platform, std::string const& path) {
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2020-10-02 02:17:22 +00:00
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std::string full_path("./data/");
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2020-10-10 23:02:13 +00:00
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full_path.append(path);
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2020-10-02 02:17:22 +00:00
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std::ifstream stream(full_path);
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std::string str((std::istreambuf_iterator<char>(stream)), std::istreambuf_iterator<char>());
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2020-10-10 23:02:13 +00:00
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return create_cxx11_string(str.c_str());
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2020-10-02 02:17:22 +00:00
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}
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2020-10-04 00:30:15 +00:00
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typedef unsigned char *(*TextEditScreen_t)(unsigned char *, unsigned char *);
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static TextEditScreen_t TextEditScreen = (TextEditScreen_t) 0x3a840;
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2020-11-02 14:58:43 +00:00
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typedef void (*Minecraft_setScreen_t)(unsigned char *, unsigned char *);
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static Minecraft_setScreen_t Minecraft_setScreen = (Minecraft_setScreen_t) 0x15d6c;
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2020-10-04 00:30:15 +00:00
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2020-11-07 22:19:45 +00:00
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static void LocalPlayer_openTextEdit(unsigned char *local_player, unsigned char *sign) {
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2020-10-04 00:30:15 +00:00
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if (*(int *)(sign + 0x18) == 4) {
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unsigned char *minecraft = *(unsigned char **) (local_player + 0xc90);
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unsigned char *screen = (unsigned char *) ::operator new(0xd0);
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screen = (*TextEditScreen)(screen, sign);
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2020-11-02 14:58:43 +00:00
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(*Minecraft_setScreen)(minecraft, screen);
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2020-10-04 00:30:15 +00:00
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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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std::vector<char> input;
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2020-10-14 17:40:32 +00:00
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void extra_key_press(char key) {
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2020-10-04 00:30:15 +00:00
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if (is_valid_key(key)) {
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2020-10-04 20:45:00 +00:00
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input.push_back(key);
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2020-10-04 00:30:15 +00:00
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}
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}
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2020-10-14 17:40:32 +00:00
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void extra_clear_input() {
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2020-10-04 00:30:15 +00:00
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input.clear();
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}
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2020-11-02 14:58:43 +00:00
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typedef void (*Screen_updateEvents_t)(unsigned char *screen);
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static Screen_updateEvents_t Screen_updateEvents = (Screen_updateEvents_t) 0x28eb8;
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2020-10-04 00:30:15 +00:00
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2020-11-02 14:58:43 +00:00
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typedef void (*Screen_keyboardNewChar_t)(unsigned char *screen, char key);
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typedef void (*Screen_keyPressed_t)(unsigned char *screen, int32_t key);
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2020-10-04 00:30:15 +00:00
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2020-11-02 14:58:43 +00:00
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static void Screen_updateEvents_injection(unsigned char *screen) {
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2020-10-04 00:30:15 +00:00
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// Call Original
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2020-11-02 14:58:43 +00:00
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(*Screen_updateEvents)(screen);
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2020-10-04 00:30:15 +00:00
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if (*(char *)(screen + 4) == '\0') {
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uint32_t vtable = *((uint32_t *) 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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2020-11-02 14:58:43 +00:00
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(*(Screen_keyPressed_t *) (vtable + 0x6c))(screen, BACKSPACE_KEY);
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2020-10-04 00:30:15 +00:00
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} else {
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// Handle Nrmal Key
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2020-11-02 14:58:43 +00:00
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(*(Screen_keyboardNewChar_t *) (vtable + 0x70))(screen, key);
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2020-10-04 00:30:15 +00:00
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}
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}
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}
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2020-10-14 17:40:32 +00:00
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extra_clear_input();
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2020-10-04 00:30:15 +00:00
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}
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2020-11-02 17:34:11 +00:00
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typedef unsigned char *(*ItemInstance_t)(unsigned char *item_instance, unsigned char *item);
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static ItemInstance_t ItemInstance_item = (ItemInstance_t) 0x9992c;
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static ItemInstance_t ItemInstance_tile = (ItemInstance_t) 0x998e4;
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2020-11-03 22:39:55 +00:00
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typedef unsigned char *(*ItemInstance_damage_t)(unsigned char *item_instance, unsigned char *item, int32_t count, int32_t damage);
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static ItemInstance_damage_t ItemInstance_damage = (ItemInstance_damage_t) 0x99960;
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2020-11-02 17:34:11 +00:00
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2020-11-02 17:42:06 +00:00
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typedef int32_t (*FillingContainer_addItem_t)(unsigned char *filling_container, unsigned char *item_instance);
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2020-11-02 17:34:11 +00:00
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static FillingContainer_addItem_t FillingContainer_addItem = (FillingContainer_addItem_t) 0x92aa0;
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static void inventory_add_item(unsigned char *inventory, unsigned char *item, bool is_tile) {
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unsigned char *item_instance = (unsigned char *) ::operator new(0xc);
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item_instance = (*(is_tile ? ItemInstance_tile : ItemInstance_item))(item_instance, item);
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(*FillingContainer_addItem)(inventory, item_instance);
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}
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// Items
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static unsigned char **item_flintAndSteel = (unsigned char **) 0x17ba70;
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static unsigned char **item_snowball = (unsigned char **) 0x17bbb0;
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static unsigned char **item_shears = (unsigned char **) 0x17bbf0;
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2020-11-03 22:39:55 +00:00
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static unsigned char **item_egg = (unsigned char **) 0x17bbd0;
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static unsigned char **item_dye_powder = (unsigned char **) 0x17bbe0;
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2020-11-02 17:34:11 +00:00
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// Tiles
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static unsigned char **tile_water = (unsigned char **) 0x181b3c;
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static unsigned char **tile_lava = (unsigned char **) 0x181cc8;
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2020-11-02 18:03:32 +00:00
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static unsigned char **tile_calmWater = (unsigned char **) 0x181b40;
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static unsigned char **tile_calmLava = (unsigned char **) 0x181ccc;
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2020-11-02 17:45:16 +00:00
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static unsigned char **tile_glowingObsidian = (unsigned char **) 0x181dcc;
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2020-11-03 22:39:55 +00:00
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static unsigned char **tile_topSnow = (unsigned char **) 0x181b30;
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static unsigned char **tile_ice = (unsigned char **) 0x181d80;
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2020-11-02 17:34:11 +00:00
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static unsigned char **tile_invisible_bedrock = (unsigned char **) 0x181d94;
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2020-11-02 17:42:06 +00:00
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static int32_t FillingContainer_addItem_injection(unsigned char *filling_container, unsigned char *item_instance) {
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2020-11-02 17:34:11 +00:00
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// Call Original
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2020-11-02 17:42:06 +00:00
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int32_t ret = (*FillingContainer_addItem)(filling_container, item_instance);
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2020-11-02 17:34:11 +00:00
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2020-11-20 18:36:03 +00:00
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// Add Items
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inventory_add_item(filling_container, *item_flintAndSteel, false);
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inventory_add_item(filling_container, *item_snowball, false);
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inventory_add_item(filling_container, *item_egg, false);
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inventory_add_item(filling_container, *item_shears, false);
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for (int i = 0; i < 15; i++) {
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unsigned char *item_instance = (unsigned char *) ::operator new(0xc);
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item_instance = (*ItemInstance_damage)(item_instance, *item_dye_powder, 1, i);
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(*FillingContainer_addItem)(filling_container, item_instance);
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2020-11-02 17:34:11 +00:00
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}
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2020-11-20 18:36:03 +00:00
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// Add Tiles
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inventory_add_item(filling_container, *tile_water, true);
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inventory_add_item(filling_container, *tile_lava, true);
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inventory_add_item(filling_container, *tile_calmWater, true);
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inventory_add_item(filling_container, *tile_calmLava, true);
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inventory_add_item(filling_container, *tile_glowingObsidian, true);
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inventory_add_item(filling_container, *tile_topSnow, true);
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inventory_add_item(filling_container, *tile_ice, true);
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inventory_add_item(filling_container, *tile_invisible_bedrock, true);
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2020-11-02 17:42:06 +00:00
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return ret;
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2020-11-02 17:34:11 +00:00
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}
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2020-11-20 18:36:03 +00:00
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typedef void (*Minecraft_tick_t)(unsigned char *minecraft, int32_t param_1, int32_t param_2);
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static Minecraft_tick_t Minecraft_tick = (Minecraft_tick_t) 0x16934;
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typedef void (*Textures_tick_t)(unsigned char *textures, bool param_1);
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static Textures_tick_t Textures_tick = (Textures_tick_t) 0x531c4;
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static void Minecraft_tick_injection(unsigned char *minecraft, int32_t param_1, int32_t param_2) {
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// Call Original Method
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(*Minecraft_tick)(minecraft, param_1, param_2);
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// Tick Dynamic Textures
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unsigned char *textures = *(unsigned char **) (minecraft + 0x164);
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if (textures != NULL) {
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(*Textures_tick)(textures, true);
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}
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}
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2020-10-04 00:30:15 +00:00
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__attribute((constructor)) static void init() {
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2020-11-07 22:19:45 +00:00
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// Implement AppPlatform::AppPlatform_AppPlatform_readAssetFile So Translations Work
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overwrite((void *) 0x12b10, (void *) AppPlatform_readAssetFile);
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2020-10-04 00:30:15 +00:00
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2020-10-14 17:40:32 +00:00
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if (extra_has_feature("Fix Sign Placement")) {
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2020-10-04 00:30:15 +00:00
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// Fix Signs
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2020-11-07 22:19:45 +00:00
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patch_address((void *) 0x106460, (void *) LocalPlayer_openTextEdit);
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2020-11-10 00:49:41 +00:00
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patch_address((void *) 0x10531c, (void *) Screen_updateEvents_injection);
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2020-10-04 00:30:15 +00:00
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}
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2020-11-02 17:34:11 +00:00
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2020-11-20 18:36:03 +00:00
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if (extra_has_feature("Expand Creative Inventory")) {
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// Add Extra Items To Creative Inventory (Only Replace Specific Function Call)
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overwrite_call((void *) 0x8e0fc, (void *) FillingContainer_addItem_injection);
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}
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if (extra_has_feature("Animated Watter")) {
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// Tick Dynamic Textures (Animated Water)
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overwrite_calls((void *) Minecraft_tick, (void *) Minecraft_tick_injection);
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2020-11-02 17:34:11 +00:00
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}
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2020-10-04 00:30:15 +00:00
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}
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2020-10-02 02:17:22 +00:00
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}
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