minecraft-pi-reborn/mods/src/compat/x11.c

#include <X11/Xlib.h>

#include <libreborn/libreborn.h>
#include <media-layer/core.h>

// Functions That Have Their Return Values Used
static int XTranslateCoordinates_injection(__attribute__((unused)) void *display, __attribute__((unused)) XID src_w, __attribute__((unused)) XID dest_w, int src_x, int src_y, int *dest_x_return, int *dest_y_return, __attribute__((unused)) XID *child_return) {
    // Use MCPI Replacemnt Function
    *dest_x_return = src_x;
    *dest_y_return = src_y;
    return 1;
}
static int XGetWindowAttributes_injection(__attribute__((unused)) void *display, __attribute__((unused)) XID w, XWindowAttributes *window_attributes_return) {
    // Use MCPI Replacemnt Function
    XWindowAttributes attributes;
    attributes.x = 0;
    attributes.y = 0;
    media_get_framebuffer_size(&attributes.width, &attributes.height);
    *window_attributes_return = attributes;
    return 1;
}

// Patch X11 Calls
__attribute__((constructor)) static void patch_x11_calls() {
    // Disable X11 Calls
    overwrite_call((void *) 0x132a4, (void *) XGetWindowAttributes_injection); // XGetWindowAttributes
    overwrite_call((void *) 0x132d4, (void *) XTranslateCoordinates_injection); // XTranslateCoordinates
}