129 lines
5.1 KiB
C++
129 lines
5.1 KiB
C++
#include <string>
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#include <fstream>
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#include <streambuf>
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#include <vector>
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#include <cstring>
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#include <libreborn/libreborn.h>
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#include <symbols/minecraft.h>
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#include <mods/feature/feature.h>
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#include "misc-internal.h"
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#include <mods/misc/misc.h>
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// Read Asset File
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static AppPlatform_readAssetFile_return_value AppPlatform_readAssetFile_injection(__attribute__((unused)) unsigned char *app_platform, std::string const& path) {
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// Read File
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std::string full_path("data/");
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full_path.append(path);
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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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// Return String
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AppPlatform_readAssetFile_return_value ret;
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ret.length = str.length();
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ret.data = strdup(str.c_str());
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return ret;
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}
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// Run Functions On Update
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static std::vector<misc_update_function_t> &get_misc_update_functions() {
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static std::vector<misc_update_function_t> functions;
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return functions;
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}
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void misc_run_on_update(misc_update_function_t function) {
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get_misc_update_functions().push_back(function);
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}
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// Handle Custom Update Behavior
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static void Minecraft_update_injection(unsigned char *minecraft) {
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// Call Original Method
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(*Minecraft_update)(minecraft);
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// Run Functions
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for (misc_update_function_t function : get_misc_update_functions()) {
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(*function)(minecraft);
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}
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}
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// Run Functions On Update
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static std::vector<misc_update_function_t> &get_misc_tick_functions() {
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static std::vector<misc_update_function_t> functions;
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return functions;
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}
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void misc_run_on_tick(misc_update_function_t function) {
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get_misc_tick_functions().push_back(function);
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}
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// Handle Custom Tick Behavior
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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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// Run Functions
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for (misc_update_function_t function : get_misc_tick_functions()) {
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(*function)(minecraft);
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}
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}
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// Add Missing Buttons To Pause Menu
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static void PauseScreen_init_injection(unsigned char *screen) {
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// Call Original Method
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(*PauseScreen_init)(screen);
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// Check If Server
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unsigned char *minecraft = *(unsigned char **) (screen + Screen_minecraft_property_offset);
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unsigned char *rak_net_instance = *(unsigned char **) (minecraft + Minecraft_rak_net_instance_property_offset);
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if (rak_net_instance != NULL) {
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unsigned char *rak_net_instance_vtable = *(unsigned char**) rak_net_instance;
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RakNetInstance_isServer_t RakNetInstance_isServer = *(RakNetInstance_isServer_t *) (rak_net_instance_vtable + RakNetInstance_isServer_vtable_offset);
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if ((*RakNetInstance_isServer)(rak_net_instance)) {
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// Add Button
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std::vector<unsigned char *> *rendered_buttons = (std::vector<unsigned char *> *) (screen + Screen_rendered_buttons_property_offset);
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std::vector<unsigned char *> *selectable_buttons = (std::vector<unsigned char *> *) (screen + Screen_selectable_buttons_property_offset);
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unsigned char *button = *(unsigned char **) (screen + PauseScreen_server_visibility_button_property_offset);
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rendered_buttons->push_back(button);
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selectable_buttons->push_back(button);
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// Update Button Text
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(*PauseScreen_updateServerVisibilityText)(screen);
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}
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}
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}
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// Improved Title Background
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static void StartMenuScreen_render_Screen_renderBackground_injection(unsigned char *screen) {
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// Draw
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unsigned char *minecraft = *(unsigned char **) (screen + Screen_minecraft_property_offset);
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unsigned char *textures = *(unsigned char **) (minecraft + Minecraft_textures_property_offset);
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(*Textures_loadAndBindTexture)(textures, "gui/titleBG.png");
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(*GuiComponent_blit)(screen, 0, 0, 0, 0, *(int32_t *) (screen + Screen_width_property_offset), *(int32_t *) (screen + Screen_height_property_offset), 0x100, 0x100);
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}
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// Init
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void _init_misc_cpp() {
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// Implement AppPlatform::readAssetFile So Translations Work
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if (feature_has("Load Language Files", server_enabled)) {
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overwrite((void *) AppPlatform_readAssetFile, (void *) AppPlatform_readAssetFile_injection);
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}
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// Handle Custom Update Behavior
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overwrite_calls((void *) Minecraft_update, (void *) Minecraft_update_injection);
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// Handle Custom Tick Behavior
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overwrite_calls((void *) Minecraft_tick, (void *) Minecraft_tick_injection);
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// Fix Pause Menu
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if (feature_has("Fix Pause Menu", server_disabled)) {
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// Add Missing Buttons To Pause Menu
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patch_address(PauseScreen_init_vtable_addr, (void *) PauseScreen_init_injection);
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}
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// Improved Title Background
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if (feature_has("Improved Title Background", server_disabled)) {
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// Switch Background
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overwrite_call((void *) 0x39528, (void *) StartMenuScreen_render_Screen_renderBackground_injection);
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overwrite_call((void *) 0x3dee0, (void *) StartMenuScreen_render_Screen_renderBackground_injection);
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// Text Color
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patch_address((void *) 0x397ac, (void *) 0xffffffff);
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patch_address((void *) 0x3e10c, (void *) 0xffffffff);
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}
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}
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