minecraft-pi-reborn/mods/src/input/misc.c
2024-01-07 03:23:43 -05:00

117 lines
3.7 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 NULL, then Minecraft::handleBack may crash.
if (minecraft->level != NULL && minecraft->player == NULL) {
// Unable to safely run Minecraft::handleBack, deferring until safe.
return;
}
// Send Event
for (int i = 0; i < back_button_presses; i++) {
minecraft->vtable->handleBack(minecraft, 0);
}
back_button_presses = 0;
}
// Fix OptionsScreen Ignoring The Back Button
static int32_t OptionsScreen_handleBackEvent_injection(OptionsScreen *screen, bool do_nothing) {
if (!do_nothing) {
Minecraft *minecraft = screen->minecraft;
Minecraft_setScreen(minecraft, NULL);
}
return 1;
}
// Fix "Sleeping Beauty" Bug
static int32_t InBedScreen_handleBackEvent_injection(InBedScreen *screen, bool do_nothing) {
if (!do_nothing) {
// Close Screen
Minecraft *minecraft = screen->minecraft;
Minecraft_setScreen(minecraft, NULL);
// Stop Sleeping
LocalPlayer *player = minecraft->player;
if (player != NULL) {
player->vtable->stopSleepInBed(player, 1, 1, 1);
}
}
return 1;
}
// 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(minecraft);
} else if (mouse_grab_state == 1) {
// Un-Grab
Minecraft_releaseMouse(minecraft);
}
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) {
if (!enable_misc || SDL_WM_GrabInput(SDL_GRAB_QUERY) == SDL_GRAB_OFF) {
// Call Original Method
return creative_is_restricted() && Minecraft_isCreativeMode(minecraft);
} else {
// Disable Item Drop Ticking
return 1;
}
}
// Block UI Interaction When Mouse Is Locked
static void Gui_handleClick_injection(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
Gui_handleClick(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_address(OptionsScreen_handleBackEvent_vtable_addr, (void *) OptionsScreen_handleBackEvent_injection);
// Fix "Sleeping Beauty" Bug
patch_address(InBedScreen_handleBackEvent_vtable_addr, (void *) InBedScreen_handleBackEvent_injection);
// Disable Opening Inventory Using The Cursor When Cursor Is Hidden
overwrite_calls((void *) Gui_handleClick, (void *) 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);
}