minecraft-pi-reborn/mods/src/input/misc.cpp
2024-05-15 05:06:36 -04:00

118 lines
3.8 KiB
C++

#include <libreborn/libreborn.h>
#include <symbols/minecraft.h>
#include "input-internal.h"
#include <mods/input/input.h>
#include <mods/feature/feature.h>
#include <mods/creative/creative.h>
// Enable Miscellaneous Input Fixes
static int enable_misc = 0;
// Store Back Button Presses
static int back_button_presses = 0;
int input_back() {
if (enable_misc) {
back_button_presses++;
return 1; // Handled
} else {
return 0; // Not Handled
}
}
// Handle Back Button Presses
static void _handle_back(Minecraft *minecraft) {
// If Minecraft's Level property is initialized, but Minecraft's Player property is nullptr, then Minecraft::handleBack may crash.
if (minecraft->level != nullptr && minecraft->player == nullptr) {
// Unable to safely run Minecraft::handleBack, deferring until safe.
return;
}
// Send Event
for (int i = 0; i < back_button_presses; i++) {
minecraft->handleBack(0);
}
back_button_presses = 0;
}
// Fix OptionsScreen Ignoring The Back Button
static bool OptionsScreen_handleBackEvent_injection(OptionsScreen *screen, bool do_nothing) {
if (!do_nothing) {
Minecraft *minecraft = screen->minecraft;
minecraft->setScreen(nullptr);
}
return true;
}
// Fix "Sleeping Beauty" Bug
static bool InBedScreen_handleBackEvent_injection(InBedScreen *screen, bool do_nothing) {
if (!do_nothing) {
// Close Screen
Minecraft *minecraft = screen->minecraft;
minecraft->setScreen(nullptr);
// Stop Sleeping
LocalPlayer *player = minecraft->player;
if (player != nullptr) {
player->stopSleepInBed(1, 1, 1);
}
}
return true;
}
// Set Mouse Grab State
static int mouse_grab_state = 0;
void input_set_mouse_grab_state(int state) {
mouse_grab_state = state;
}
// Grab/Un-Grab Mouse
static void _handle_mouse_grab(Minecraft *minecraft) {
if (mouse_grab_state == -1) {
// Grab
minecraft->grabMouse();
} else if (mouse_grab_state == 1) {
// Un-Grab
minecraft->releaseMouse();
}
mouse_grab_state = 0;
}
#include <SDL/SDL.h>
// Block UI Interaction When Mouse Is Locked
static bool Gui_tickItemDrop_Minecraft_isCreativeMode_call_injection(Minecraft *minecraft) {
bool is_in_game = minecraft->screen == nullptr || minecraft->screen->vtable == (Screen_vtable *) Touch_IngameBlockSelectionScreen_vtable_base;
if (!enable_misc || (SDL_WM_GrabInput(SDL_GRAB_QUERY) == SDL_GRAB_OFF && is_in_game)) {
// Call Original Method
return creative_is_restricted() && minecraft->isCreativeMode();
} else {
// Disable Item Drop Ticking
return 1;
}
}
// Block UI Interaction When Mouse Is Locked
static void Gui_handleClick_injection(Gui_handleClick_t original, Gui *gui, int32_t param_2, int32_t param_3, int32_t param_4) {
if (SDL_WM_GrabInput(SDL_GRAB_QUERY) == SDL_GRAB_OFF) {
// Call Original Method
original(gui, param_2, param_3, param_4);
}
}
// Init
void _init_misc() {
enable_misc = feature_has("Miscellaneous Input Fixes", server_disabled);
if (enable_misc) {
// Fix OptionsScreen Ignoring The Back Button
patch_vtable(OptionsScreen_handleBackEvent, OptionsScreen_handleBackEvent_injection);
// Fix "Sleeping Beauty" Bug
patch_vtable(InBedScreen_handleBackEvent, InBedScreen_handleBackEvent_injection);
// Disable Opening Inventory Using The Cursor When Cursor Is Hidden
overwrite_calls(Gui_handleClick, Gui_handleClick_injection);
}
// Disable Item Dropping Using The Cursor When Cursor Is Hidden
overwrite_call((void *) 0x27800, (void *) Gui_tickItemDrop_Minecraft_isCreativeMode_call_injection);
input_run_on_tick(_handle_back);
input_run_on_tick(_handle_mouse_grab);
}