diff --git a/er-patcher b/er-patcher index 053b3cd..9bb8a65 100755 --- a/er-patcher +++ b/er-patcher @@ -16,22 +16,40 @@ if __name__ == "__main__": parser = argparse.ArgumentParser(description="Patch Elden Ring executable and launch it without EAC.") - parser.add_argument("-r", "--rate", type=int, default=60, help="Modify the frame rate limit (e.g. 30, 120, 165 or whatever).") - parser.add_argument("--with-eac", action='store_true', help="Run game with EAC (Use at own your risk)") - parser.add_argument("--disable-rune-loss", action='store_true', help="Disable losing runes upon death.") - parser.add_argument("--all", action='store_true', help="Enable all options except rate adjustment and gamplay changes like `--disable-rune-loss`.") - parser.add_argument("-u", "--ultrawide", action='store_true', help="Removes black bars when using a resolution with an aspect ratio other than 16:9.") - parser.add_argument("-v", "--disable-vigniette", action='store_true', help="Disables the vigniette overlay.") - parser.add_argument("-c", "--disable-ca", action='store_true', help="Disables chromatic abberation.") + parser.add_argument("--all", action='store_true', help="Enable all options but frame rate adjustment and gameplay changes like `--disable-rune-loss`.") + parser.add_argument("-l", "--disable-rune-loss", action='store_true', help="Disable losing runes upon death.") parser.add_argument("-a", "--increase-animation-distance", action='store_true', help="Increase animation distance.") + parser.add_argument("-r", "--rate", type=int, default=60, help="Change the frame rate limit to any value.") + parser.add_argument("-f", "--remove-60-hz-fullscreen", action='store_true', help="Remove 60 Hz lock in fullscreen.") + parser.add_argument("-c", "--remove-ca", action='store_true', help="Remove chromatic abberation.") + parser.add_argument("-v", "--remove-vignette", action='store_true', help="Remove the vignette.") parser.add_argument("-s", "--skip-intro", action='store_true', help="Skip intro logos.") - parser.add_argument("-f", "--remove-60hz-fullscreen", action='store_true', help="Remove 60hz lock in fullscreen.") + parser.add_argument("-u", "--ultrawide", action='store_true', help="Remove black bars in resolutions without a 16:9 aspect ratio.") + parser.add_argument("-w", "--with-eac", action='store_true', help="Run the game with EAC; use at own your risk.") patch = parser.parse_args(patcher_args) game_dir = Path(".") with open(game_dir / "eldenring.exe", "rb") as f: exe_hex = f.read().hex() +if patch.disable_rune_loss: + rl_pattern = "b0 01 .. 8b .. e8 .. .. .. .. .. 8b .. .. .. 32 c0 .. 83 .. 28 c3".replace(" ", "") + if (res := re.search(rl_pattern, exe_hex)) is not None: + rl_addr = res.span()[0] + 6 + rl_patch = "90 90 90 90 90".replace(" ", "") # NOP + exe_hex = exe_hex[:rl_addr] + rl_patch + exe_hex[rl_addr + len(rl_patch):] + else: + print("er-patcher: disable rune loss pattern scan failed") + +if patch.increase_animation_distance or patch.all: + iad_pattern = "e8 .. .. .. .. 0f 28 .. 0f 28 .. e8 .. .. .. .. f3 0f .. .. 0f 28 .. f3 41 0f 5e 4c 24 54".replace(" ", "") + if (res := re.search(iad_pattern, exe_hex)) is not None: + iad_addr = res.span()[0] + 46 + iad_patch = "0f 57 c9 66 0f ef c9".replace(" ", "") # DIVSS XMM1,dword ptr [R12 + 0x54] -> XORPS XMM1,XMM1; PXOR XMM1,XMM1 + exe_hex = exe_hex[:iad_addr] + iad_patch + exe_hex[iad_addr + len(iad_patch):] + else: + print("er-patcher: increase_animation_distance pattern scan failed") + if patch.rate != 60 and patch.rate > 0: r_pattern = "c7 43 20 89 88 88 3c eb 43 89 73 18 eb ca 89 73 18".replace(" ", "") if (res := re.search(r_pattern, exe_hex)) is not None: @@ -40,35 +58,17 @@ if __name__ == "__main__": exe_hex = exe_hex[:r_addr] + r_patch + exe_hex[r_addr + len(r_patch):] else: print("er-patcher: rate pattern scan failed") - - if patch.disable_rune_loss: - rl_pattern = "b0 01 .. 8b .. e8 .. .. .. .. .. 8b .. .. .. 32 c0 .. 83 .. 28 c3".replace(" ", "") - if (res := re.search(rl_pattern, exe_hex)) is not None: - rl_addr = res.span()[0] + 6 - rl_patch = "90 90 90 90 90".replace(" ", "") # NOP - exe_hex = exe_hex[:rl_addr] + rl_patch + exe_hex[rl_addr + len(rl_patch):] + + if patch.remove_60_hz_fullscreen or patch.all: + fs_pattern = "c7 45 ef 3c 00 00 00".replace(" ", "") + if (res := re.search(fs_pattern, exe_hex)) is not None: + fs_addr = res.span()[0] + 6 + fs_patch = "00" + exe_hex = exe_hex[:fs_addr] + fs_patch + exe_hex[fs_addr + len(fs_patch):] else: - print("er-patcher: disable rune loss pattern scan failed") + print("er-patcher: remove_60_hz_fullscreen pattern scan failed") - if patch.ultrawide or patch.all: - uw_pattern = "74 4f 45 8b 94 cc".replace(" ", "") - if (res := re.search(uw_pattern, exe_hex)) is not None: - uw_addr = res.span()[0] - uw_patch = "eb" - exe_hex = exe_hex[:uw_addr] + uw_patch + exe_hex[uw_addr + len(uw_patch):] - else: - print("er-patcher: ultrawide pattern scan failed") - - if patch.disable_vigniette or patch.all: - v_pattern = 'f3 0f 10 .. .. f3 0f 59 .. .. .. .. .. e8 .. .. .. .. f3 41 0f .. .. f3 45 0f .. .. 4c 8d .. .. .. .. .. .. 48'.replace(" ", "") - if (res := re.search(v_pattern, exe_hex)) is not None: - v_addr = res.span()[0] + 46 - v_patch = "f3 0f 5c c0 90".replace(" ", "") # SUBSS XMM0,XMM0; NOP; all NOP does work too - exe_hex = exe_hex[:v_addr] + v_patch + exe_hex[v_addr + len(v_patch):] - else: - print("er-patcher: disable_vigniette pattern scan failed") - - if patch.disable_ca or patch.all: + if patch.remove_ca or patch.all: ca_pattern = "0f 11 43 60 48 8d 8b 80 00 00 00 0f 10 87 a0 00 00 00 0f 11 41 f0 48 8d 87 b0 00 00 00 0f 10 08 0f 11 09".replace(" ", "") if (res := re.search(ca_pattern, exe_hex)) is not None: ca_addr = res.span()[0] + 94 @@ -77,16 +77,16 @@ if __name__ == "__main__": if exe_hex[ca_addr:ca_addr + len(ca_patch)] == ca_orig: exe_hex = exe_hex[:ca_addr] + ca_patch + exe_hex[ca_addr + len(ca_patch):] else: - print("er-patcher: disable_ca pattern scan failed") + print("er-patcher: remove_ca pattern scan failed") - if patch.increase_animation_distance or patch.all: - iad_pattern = "e8 .. .. .. .. 0f 28 .. 0f 28 .. e8 .. .. .. .. f3 0f .. .. 0f 28 .. f3 41 0f 5e 4c 24 54".replace(" ", "") - if (res := re.search(iad_pattern, exe_hex)) is not None: - iad_addr = res.span()[0] + 46 - iad_patch = "0f 57 c9 66 0f ef c9".replace(" ", "") # DIVSS XMM1,dword ptr [R12 + 0x54] -> XORPS XMM1,XMM1; PXOR XMM1,XMM1 - exe_hex = exe_hex[:iad_addr] + iad_patch + exe_hex[iad_addr + len(iad_patch):] + if patch.remove_vignette or patch.all: + v_pattern = 'f3 0f 10 .. .. f3 0f 59 .. .. .. .. .. e8 .. .. .. .. f3 41 0f .. .. f3 45 0f .. .. 4c 8d .. .. .. .. .. .. 48'.replace(" ", "") + if (res := re.search(v_pattern, exe_hex)) is not None: + v_addr = res.span()[0] + 46 + v_patch = "f3 0f 5c c0 90".replace(" ", "") # SUBSS XMM0,XMM0; NOP; all NOP does work too + exe_hex = exe_hex[:v_addr] + v_patch + exe_hex[v_addr + len(v_patch):] else: - print("er-patcher: increase_animation_distance pattern scan failed") + print("er-patcher: remove_vignette pattern scan failed") if patch.skip_intro or patch.all: si_pattern = "80 bf b8 00 00 00 00 74 53 48".replace(" ", "") @@ -96,16 +96,16 @@ if __name__ == "__main__": exe_hex = exe_hex[:si_addr] + si_patch + exe_hex[si_addr + len(si_patch):] else: print("er-patcher: skip_intro pattern scan failed") - - if patch.remove_60hz_fullscreen or patch.all: - fs_pattern = "c7 45 ef 3c 00 00 00".replace(" ", "") - if (res := re.search(fs_pattern, exe_hex)) is not None: - fs_addr = res.span()[0] + 6 - fs_patch = "00" - exe_hex = exe_hex[:fs_addr] + fs_patch + exe_hex[fs_addr + len(fs_patch):] - else: - print("er-patcher: remove_60hz_fullscreen pattern scan failed") + if patch.ultrawide or patch.all: + uw_pattern = "74 4f 45 8b 94 cc".replace(" ", "") + if (res := re.search(uw_pattern, exe_hex)) is not None: + uw_addr = res.span()[0] + uw_patch = "eb" + exe_hex = exe_hex[:uw_addr] + uw_patch + exe_hex[uw_addr + len(uw_patch):] + else: + print("er-patcher: ultrawide pattern scan failed") + game_dir_patched = Path("er-patcher-tmp") if not game_dir_patched.is_dir(): game_dir_patched.mkdir() @@ -124,7 +124,7 @@ if __name__ == "__main__": (game_dir_patched / d).mkdir(parents=True) # hard link game files to game_dir_patched; symbolic links would be easier - # to handle but by default windows 10 doesn't allow them + # to handle, but Windows 10 does not allow them by default game_files = [f for f in game_dir.rglob("*") if f.is_file()] for f in game_files: if f.name in ["eldenring.exe", "er-patcher"]: