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| author | jbzdarkid <jbzdarkid@gmail.com> | 2019-11-16 21:17:48 -0800 |
|---|---|---|
| committer | jbzdarkid <jbzdarkid@gmail.com> | 2019-11-16 21:17:48 -0800 |
| commit | 133975b5a2ceca273182829f2f11042a5276c2f0 (patch) | |
| tree | a7e3b13ffd81484b41122acef5189f060cca365c /Source/ChallengeRandomizer.cpp | |
| parent | fd2fa2211dc09c9030601fde1afd2f7823b22ed8 (diff) | |
| download | witness-tutorializer-133975b5a2ceca273182829f2f11042a5276c2f0.tar.gz witness-tutorializer-133975b5a2ceca273182829f2f11042a5276c2f0.tar.bz2 witness-tutorializer-133975b5a2ceca273182829f2f11042a5276c2f0.zip | |
Tabs -> spaces everywhere
Diffstat (limited to 'Source/ChallengeRandomizer.cpp')
| -rw-r--r-- | Source/ChallengeRandomizer.cpp | 182 |
1 files changed, 91 insertions, 91 deletions
| diff --git a/Source/ChallengeRandomizer.cpp b/Source/ChallengeRandomizer.cpp index de08885..e91e9ac 100644 --- a/Source/ChallengeRandomizer.cpp +++ b/Source/ChallengeRandomizer.cpp | |||
| @@ -3,106 +3,106 @@ | |||
| 3 | 3 | ||
| 4 | // Modify an opcode to use RNG2 instead of main RNG | 4 | // Modify an opcode to use RNG2 instead of main RNG |
| 5 | void ChallengeRandomizer::AdjustRng(int offset) { | 5 | void ChallengeRandomizer::AdjustRng(int offset) { |
| 6 | int currentRng = _memory->ReadData<int>({offset}, 0x1)[0]; | 6 | int currentRng = _memory->ReadData<int>({offset}, 0x1)[0]; |
| 7 | _memory->WriteData<int>({offset}, {currentRng + 0x20}); | 7 | _memory->WriteData<int>({offset}, {currentRng + 0x20}); |
| 8 | } | 8 | } |
| 9 | 9 | ||
| 10 | // Overwrite the pointer for the lightmap_generator (which is unused, afaict) to point to a secondary RNG. | 10 | // Overwrite the pointer for the lightmap_generator (which is unused, afaict) to point to a secondary RNG. |
| 11 | // Then, adjust all the RNG functions in challenge/doors to use this RNG. | 11 | // Then, adjust all the RNG functions in challenge/doors to use this RNG. |
| 12 | ChallengeRandomizer::ChallengeRandomizer(const std::shared_ptr<Memory>& memory, int seed) : _memory(memory) | 12 | ChallengeRandomizer::ChallengeRandomizer(const std::shared_ptr<Memory>& memory, int seed) : _memory(memory) |
| 13 | { | 13 | { |
| 14 | RNG_ADDR = _memory->ReadData<int>({GLOBALS + 0x10}, 1)[0]; | 14 | RNG_ADDR = _memory->ReadData<int>({GLOBALS + 0x10}, 1)[0]; |
| 15 | RNG2_ADDR = _memory->ReadData<int>({GLOBALS + 0x30}, 1)[0]; | 15 | RNG2_ADDR = _memory->ReadData<int>({GLOBALS + 0x30}, 1)[0]; |
| 16 | bool alreadyInjected = (RNG2_ADDR == RNG_ADDR + 4); | 16 | bool alreadyInjected = (RNG2_ADDR == RNG_ADDR + 4); |
| 17 | 17 | ||
| 18 | if (!alreadyInjected) _memory->WriteData<int>({GLOBALS + 0x30}, {RNG_ADDR + 4}); | 18 | if (!alreadyInjected) _memory->WriteData<int>({GLOBALS + 0x30}, {RNG_ADDR + 4}); |
| 19 | _memory->WriteData<int>({GLOBALS + 0x30, 0}, {seed}); | 19 | _memory->WriteData<int>({GLOBALS + 0x30, 0}, {seed}); |
| 20 | 20 | ||
| 21 | // do_success_side_effects | 21 | // do_success_side_effects |
| 22 | _memory->AddSigScan({0xFF, 0xC8, 0x99, 0x2B, 0xC2, 0xD1, 0xF8, 0x8B, 0xD0}, [&](int index) { | 22 | _memory->AddSigScan({0xFF, 0xC8, 0x99, 0x2B, 0xC2, 0xD1, 0xF8, 0x8B, 0xD0}, [&](int index) { |
| 23 | if (GLOBALS == 0x5B28C0) { // Version differences. | 23 | if (GLOBALS == 0x5B28C0) { // Version differences. |
| 24 | index += 0x3E; | 24 | index += 0x3E; |
| 25 | } else if (GLOBALS == 0x62D0A0) { | 25 | } else if (GLOBALS == 0x62D0A0) { |
| 26 | index += 0x42; | 26 | index += 0x42; |
| 27 | } | 27 | } |
| 28 | // Overwritten bytes start just after the movsxd rax, dword ptr ds:[rdi + 0x230] | 28 | // Overwritten bytes start just after the movsxd rax, dword ptr ds:[rdi + 0x230] |
| 29 | // aka test eax, eax; jle 2C; imul rcx, rax, 34 | 29 | // aka test eax, eax; jle 2C; imul rcx, rax, 34 |
| 30 | _memory->WriteData<byte>({index}, { | 30 | _memory->WriteData<byte>({index}, { |
| 31 | 0x8B, 0x0D, 0x00, 0x00, 0x00, 0x00, // mov ecx, [0x00000000] ;This is going to be the address of the custom RNG | 31 | 0x8B, 0x0D, 0x00, 0x00, 0x00, 0x00, // mov ecx, [0x00000000] ;This is going to be the address of the custom RNG |
| 32 | 0x67, 0xC7, 0x01, 0x00, 0x00, 0x00, 0x00, // mov dword ptr ds:[ecx], 0x00000000 ;This is going to be the seed value | 32 | 0x67, 0xC7, 0x01, 0x00, 0x00, 0x00, 0x00, // mov dword ptr ds:[ecx], 0x00000000 ;This is going to be the seed value |
| 33 | 0x48, 0x83, 0xF8, 0x02, // cmp rax, 0x2 ;This is the short solve on the record player (which turns it off) | 33 | 0x48, 0x83, 0xF8, 0x02, // cmp rax, 0x2 ;This is the short solve on the record player (which turns it off) |
| 34 | 0x90, 0x90, 0x90 // nop nop nop | 34 | 0x90, 0x90, 0x90 // nop nop nop |
| 35 | }); | 35 | }); |
| 36 | int target = (GLOBALS + 0x30) - (index + 0x6); // +6 is for the length of the line | 36 | int target = (GLOBALS + 0x30) - (index + 0x6); // +6 is for the length of the line |
| 37 | _memory->WriteData<int>({index + 0x2}, {target}); | 37 | _memory->WriteData<int>({index + 0x2}, {target}); |
| 38 | _memory->WriteData<int>({index + 0x9}, {seed}); // Because we're resetting seed every challenge, we need to run this injection every time. | 38 | _memory->WriteData<int>({index + 0x9}, {seed}); // Because we're resetting seed every challenge, we need to run this injection every time. |
| 39 | }); | 39 | }); |
| 40 | 40 | ||
| 41 | if (!alreadyInjected) { | 41 | if (!alreadyInjected) { |
| 42 | // shuffle_integers | 42 | // shuffle_integers |
| 43 | _memory->AddSigScan({0x48, 0x89, 0x5C, 0x24, 0x10, 0x56, 0x48, 0x83, 0xEC, 0x20, 0x48, 0x63, 0xDA, 0x48, 0x8B, 0xF1, 0x83, 0xFB, 0x01}, [&](int index) { | 43 | _memory->AddSigScan({0x48, 0x89, 0x5C, 0x24, 0x10, 0x56, 0x48, 0x83, 0xEC, 0x20, 0x48, 0x63, 0xDA, 0x48, 0x8B, 0xF1, 0x83, 0xFB, 0x01}, [&](int index) { |
| 44 | AdjustRng(index + 0x23); | 44 | AdjustRng(index + 0x23); |
| 45 | }); | 45 | }); |
| 46 | // shuffle<int> | 46 | // shuffle<int> |
| 47 | _memory->AddSigScan({0x33, 0xF6, 0x48, 0x8B, 0xD9, 0x39, 0x31, 0x7E, 0x51}, [&](int index) { | 47 | _memory->AddSigScan({0x33, 0xF6, 0x48, 0x8B, 0xD9, 0x39, 0x31, 0x7E, 0x51}, [&](int index) { |
| 48 | AdjustRng(index - 0x4); | 48 | AdjustRng(index - 0x4); |
| 49 | }); | 49 | }); |
| 50 | // cut_random_edges | 50 | // cut_random_edges |
| 51 | _memory->AddSigScan({0x89, 0x44, 0x24, 0x3C, 0x33, 0xC0, 0x85, 0xC0, 0x75, 0xFA}, [&](int index) { | 51 | _memory->AddSigScan({0x89, 0x44, 0x24, 0x3C, 0x33, 0xC0, 0x85, 0xC0, 0x75, 0xFA}, [&](int index) { |
| 52 | AdjustRng(index + 0x3B); | 52 | AdjustRng(index + 0x3B); |
| 53 | }); | 53 | }); |
| 54 | // get_empty_decoration_slot | 54 | // get_empty_decoration_slot |
| 55 | _memory->AddSigScan({0x42, 0x83, 0x3C, 0x80, 0x00, 0x75, 0xDF}, [&](int index) { | 55 | _memory->AddSigScan({0x42, 0x83, 0x3C, 0x80, 0x00, 0x75, 0xDF}, [&](int index) { |
| 56 | AdjustRng(index - 0x17); | 56 | AdjustRng(index - 0x17); |
| 57 | }); | 57 | }); |
| 58 | // get_empty_dot_spot | 58 | // get_empty_dot_spot |
| 59 | _memory->AddSigScan({0xF7, 0xF3, 0x85, 0xD2, 0x74, 0xEC}, [&](int index) { | 59 | _memory->AddSigScan({0xF7, 0xF3, 0x85, 0xD2, 0x74, 0xEC}, [&](int index) { |
| 60 | AdjustRng(index - 0xB); | 60 | AdjustRng(index - 0xB); |
| 61 | }); | 61 | }); |
| 62 | // add_exactly_this_many_bisection_dots | 62 | // add_exactly_this_many_bisection_dots |
| 63 | _memory->AddSigScan({0x48, 0x8B, 0xB4, 0x24, 0xB8, 0x00, 0x00, 0x00, 0x48, 0x8B, 0xBC, 0x24, 0xB0, 0x00, 0x00, 0x00}, [&](int index) { | 63 | _memory->AddSigScan({0x48, 0x8B, 0xB4, 0x24, 0xB8, 0x00, 0x00, 0x00, 0x48, 0x8B, 0xBC, 0x24, 0xB0, 0x00, 0x00, 0x00}, [&](int index) { |
| 64 | AdjustRng(index - 0x4); | 64 | AdjustRng(index - 0x4); |
| 65 | }); | 65 | }); |
| 66 | // make_a_shaper | 66 | // make_a_shaper |
| 67 | _memory->AddSigScan({0xF7, 0xE3, 0xD1, 0xEA, 0x8D, 0x0C, 0x52}, [&](int index) { | 67 | _memory->AddSigScan({0xF7, 0xE3, 0xD1, 0xEA, 0x8D, 0x0C, 0x52}, [&](int index) { |
| 68 | AdjustRng(index - 0x10); | 68 | AdjustRng(index - 0x10); |
| 69 | AdjustRng(index + 0x1C); | 69 | AdjustRng(index + 0x1C); |
| 70 | AdjustRng(index + 0x49); | 70 | AdjustRng(index + 0x49); |
| 71 | }); | 71 | }); |
| 72 | // Entity_Machine_Panel::init_pattern_data_lotus | 72 | // Entity_Machine_Panel::init_pattern_data_lotus |
| 73 | _memory->AddSigScan({0x40, 0x55, 0x56, 0x48, 0x8D, 0x6C, 0x24, 0xB1}, [&](int index) { | 73 | _memory->AddSigScan({0x40, 0x55, 0x56, 0x48, 0x8D, 0x6C, 0x24, 0xB1}, [&](int index) { |
| 74 | AdjustRng(index + 0x433); | 74 | AdjustRng(index + 0x433); |
| 75 | AdjustRng(index + 0x45B); | 75 | AdjustRng(index + 0x45B); |
| 76 | AdjustRng(index + 0x5A7); | 76 | AdjustRng(index + 0x5A7); |
| 77 | AdjustRng(index + 0x5D6); | 77 | AdjustRng(index + 0x5D6); |
| 78 | AdjustRng(index + 0x6F6); | 78 | AdjustRng(index + 0x6F6); |
| 79 | AdjustRng(index + 0xD17); | 79 | AdjustRng(index + 0xD17); |
| 80 | AdjustRng(index + 0xFDA); | 80 | AdjustRng(index + 0xFDA); |
| 81 | }); | 81 | }); |
| 82 | // Entity_Record_Player::reroll_lotus_eater_stuff | 82 | // Entity_Record_Player::reroll_lotus_eater_stuff |
| 83 | _memory->AddSigScan({0xB8, 0xAB, 0xAA, 0xAA, 0xAA, 0x41, 0xC1, 0xE8}, [&](int index) { | 83 | _memory->AddSigScan({0xB8, 0xAB, 0xAA, 0xAA, 0xAA, 0x41, 0xC1, 0xE8}, [&](int index) { |
| 84 | AdjustRng(index - 0x13); | 84 | AdjustRng(index - 0x13); |
| 85 | AdjustRng(index + 0x34); | 85 | AdjustRng(index + 0x34); |
| 86 | }); | 86 | }); |
| 87 | 87 | ||
| 88 | // These disable the random locations on timer panels, which would otherwise increment the RNG. | 88 | // These disable the random locations on timer panels, which would otherwise increment the RNG. |
| 89 | // I'm writing 31 C0 (xor eax, eax), then 3 NOPs, which pretends the RNG returns 0. | 89 | // I'm writing 31 C0 (xor eax, eax), then 3 NOPs, which pretends the RNG returns 0. |
| 90 | // do_lotus_minutes | 90 | // do_lotus_minutes |
| 91 | _memory->AddSigScan({0x0F, 0xBE, 0x6C, 0x08, 0xFF, 0x45}, [&](int index) { | 91 | _memory->AddSigScan({0x0F, 0xBE, 0x6C, 0x08, 0xFF, 0x45}, [&](int index) { |
| 92 | _memory->WriteData<byte>({index + 0x410}, {0x31, 0xC0, 0x90, 0x90, 0x90}); | 92 | _memory->WriteData<byte>({index + 0x410}, {0x31, 0xC0, 0x90, 0x90, 0x90}); |
| 93 | }); | 93 | }); |
| 94 | // do_lotus_tenths | 94 | // do_lotus_tenths |
| 95 | _memory->AddSigScan({0x00, 0x04, 0x00, 0x00, 0x41, 0x8D, 0x50, 0x09}, [&](int index) { | 95 | _memory->AddSigScan({0x00, 0x04, 0x00, 0x00, 0x41, 0x8D, 0x50, 0x09}, [&](int index) { |
| 96 | _memory->WriteData<byte>({index + 0xA2}, {0x31, 0xC0, 0x90, 0x90, 0x90}); | 96 | _memory->WriteData<byte>({index + 0xA2}, {0x31, 0xC0, 0x90, 0x90, 0x90}); |
| 97 | }); | 97 | }); |
| 98 | // do_lotus_eighths | 98 | // do_lotus_eighths |
| 99 | _memory->AddSigScan({0x75, 0xF5, 0x0F, 0xBE, 0x44, 0x08, 0xFF}, [&](int index) { | 99 | _memory->AddSigScan({0x75, 0xF5, 0x0F, 0xBE, 0x44, 0x08, 0xFF}, [&](int index) { |
| 100 | _memory->WriteData<byte>({index + 0x1AE}, {0x31, 0xC0, 0x90, 0x90, 0x90}); | 100 | _memory->WriteData<byte>({index + 0x1AE}, {0x31, 0xC0, 0x90, 0x90, 0x90}); |
| 101 | }); | 101 | }); |
| 102 | } | 102 | } |
| 103 | 103 | ||
| 104 | int failed = _memory->ExecuteSigScans(); | 104 | int failed = _memory->ExecuteSigScans(); |
| 105 | if (failed != 0) { | 105 | if (failed != 0) { |
| 106 | std::cout << "Failed " << failed << " sigscans"; | 106 | std::cout << "Failed " << failed << " sigscans"; |
| 107 | } | 107 | } |
| 108 | } | 108 | } |
