minecraft-pi-reborn/mods/src/options/ui.cpp
2024-09-20 21:30:47 -04:00

197 lines
6.8 KiB
C++

#include <string>
#include <libreborn/libreborn.h>
#include <symbols/minecraft.h>
#include <mods/feature/feature.h>
#include "options-internal.h"
// Fix Initial Option Button Rendering
// The calling function doesn't exist in MCPE v0.6.1, so its name is unknown.
static OptionButton *OptionsPane_unknown_toggle_creating_function_OptionButton_injection(OptionButton *option_button, Options_Option *option) {
// Call Original Method
OptionButton *ret = option_button->constructor(option);
// Setup Image
option_button->updateImage(stored_options);
// Return
return ret;
}
// Modify Option Toggles
static void OptionsPane_unknown_toggle_creating_function_injection(OptionsPane_unknown_toggle_creating_function_t original, OptionsPane *options_pane, const uint32_t group_id, std::string *name_ptr, Options_Option *option) {
// Modify
const std::string name = *name_ptr;
std::string new_name = name;
if (name == "Fancy Graphics") {
option = &Options_Option::GRAPHICS;
} else if (name == "Soft shadows") {
option = &Options_Option::AMBIENT_OCCLUSION;
} else if (name == "Fancy Skies" || name == "Animated water") {
// These have no corresponding option, so disable the toggle.
return;
} else if (name == "Third person camera") {
// This isn't saved/loaded, so disable the toggle.
return;
} else if (name == "Lefty" || name == "Use touch screen" || name == "Split touch controls") {
// These toggles require touch support, so disable them.
return;
} else if (name == "Vibrate on destroy") {
// This toggle requires vibration support, so disable it.
return;
} else if (name == "Invert X-axis") {
// Fix Incorrect Name
new_name = "Invert Y-axis";
}
// Call Original Method
original(options_pane, group_id, &new_name, option);
// Add 3D Anaglyph
if (option == &Options_Option::GRAPHICS) {
std::string cpp_string = "3D Anaglyph";
original(options_pane, group_id, &cpp_string, &Options_Option::ANAGLYPH);
}
// Add Peaceful Mode
if (option == &Options_Option::SERVER_VISIBLE) {
std::string cpp_string = "Peaceful mode";
original(options_pane, group_id, &cpp_string, &Options_Option::DIFFICULTY);
}
}
// Add Missing Options To Options::getBooleanValue
static bool Options_getBooleanValue_injection(Options_getBooleanValue_t original, Options *options, Options_Option *option) {
// Check
if (option == &Options_Option::GRAPHICS) {
return options->fancy_graphics;
} else if (option == &Options_Option::DIFFICULTY) {
return options->game_difficulty == 0;
} else {
// Call Original Method
return original(options, option);
}
}
// Fix Difficulty When Toggling
static void OptionButton_toggle_Options_save_injection(Options *self) {
// Fix Value
if (self->game_difficulty == 1) {
// Disable Peaceful
self->game_difficulty = 2;
} else if (self->game_difficulty == 3) {
// Switch To Peaceful
self->game_difficulty = 0;
}
// Call Original Method
self->save();
}
// Add "Reborn" Info Button
#define INFO_BUTTON_ID 99
static void OptionsScreen_init_injection(OptionsScreen_init_t original, OptionsScreen *self) {
// Call Original Method
original(self);
// Add Button
Touch_TButton *button = Touch_TButton::allocate();
ALLOC_CHECK(button);
std::string name = "Reborn";
button->constructor(INFO_BUTTON_ID, name);
self->rendered_buttons.push_back((Button *) button);
self->selectable_buttons.push_back((Button *) button);
}
static void OptionsScreen_setupPositions_injection(OptionsScreen_setupPositions_t original, OptionsScreen *self) {
// Call Original Method
original(self);
// Find Button
const Button *prevButton = nullptr;
Button *button = nullptr;
for (Button *x : self->selectable_buttons) {
if (x->id == INFO_BUTTON_ID) {
button = x;
break;
}
prevButton = x;
}
if (button == nullptr || prevButton == nullptr) {
IMPOSSIBLE();
}
// Setup Button
button->width = prevButton->width;
button->height = prevButton->height;
button->x = prevButton->x;
button->y = prevButton->y + prevButton->height;
}
static void OptionsScreen_buttonClicked_injection(OptionsScreen_buttonClicked_t original, OptionsScreen *self, Button *button) {
// Check ID
if (button->id == INFO_BUTTON_ID) {
// Show Screen
self->minecraft->setScreen(_create_options_info_screen());
} else {
// Call Original Method
original(self, button);
}
}
static void OptionsScreen_removed_injection(OptionsScreen_removed_t original, OptionsScreen *self) {
// Delete Button
Button *button = nullptr;
for (Button *x : self->selectable_buttons) {
if (x->id == INFO_BUTTON_ID) {
button = x;
break;
}
}
if (button == nullptr) {
IMPOSSIBLE();
}
button->destructor_deleting();
// Call Original Method
original(self);
}
// Init
void _init_options_ui() {
// Fix Options Screen
unsigned char nop_patch[4] = {0x00, 0xf0, 0x20, 0xe3}; // "nop"
if (feature_has("Fix Options Screen", server_disabled)) {
// Fix Initial Option Button Rendering
overwrite_call((void *) 0x24510, (void *) OptionsPane_unknown_toggle_creating_function_OptionButton_injection);
// "Gui Scale" slider is broken, so disable it.
patch((void *) 0x35a10, nop_patch);
// "Vibrate on destroy" is disabled, so "Feedback" is empty, so disable it.
patch((void *) 0x35960, nop_patch);
// Disconnect "This works?" Slider From Difficulty
unsigned char this_works_slider_patch[4] = {0x00, 0x30, 0xa0, 0xe3}; // "mov r3, #0x0"
patch((void *) 0x3577c, this_works_slider_patch);
// Modify Option Toggles
overwrite_calls(OptionsPane_unknown_toggle_creating_function, OptionsPane_unknown_toggle_creating_function_injection);
// Add Missing Options To Options::getBooleanValue
overwrite_calls(Options_getBooleanValue, Options_getBooleanValue_injection);
// Fix Difficulty When Toggling
overwrite_call((void *) 0x1cd00, (void *) OptionButton_toggle_Options_save_injection);
}
// Info Button
if (feature_has("Add Reborn Info To Options", server_disabled)) {
// Add Button
overwrite_calls(OptionsScreen_init, OptionsScreen_init_injection);
// Position Button
overwrite_calls(OptionsScreen_setupPositions, OptionsScreen_setupPositions_injection);
// Handle Click
overwrite_calls(OptionsScreen_buttonClicked, OptionsScreen_buttonClicked_injection);
// Cleanup
overwrite_calls(OptionsScreen_removed, OptionsScreen_removed_injection);
}
}