From eb420604814dfdfa37fd542dda9ba7477c198b39 Mon Sep 17 00:00:00 2001 From: jbzdarkid Date: Mon, 19 Nov 2018 09:27:29 -0800 Subject: Cleanup packaging story, add more settings --- Source/ChallengeRandomizer.cpp | 218 +++++++++++++++++++++++------------------ 1 file changed, 123 insertions(+), 95 deletions(-) (limited to 'Source/ChallengeRandomizer.cpp') diff --git a/Source/ChallengeRandomizer.cpp b/Source/ChallengeRandomizer.cpp index 0bc51f6..401771e 100644 --- a/Source/ChallengeRandomizer.cpp +++ b/Source/ChallengeRandomizer.cpp @@ -16,116 +16,33 @@ int find(const std::vector &data, const std::vector& search, size_t return -1; } +// Reads the (relative!) address of the RNG, then shifts it to point at RNG2 void ChallengeRandomizer::AdjustRng(int offset) { int currentRng = _memory->ReadData({offset}, 0x1)[0]; _memory->WriteData({offset}, {currentRng + 0x20}); } +// Overwrite the pointer for the lightmap_generator (which is unused, afaict) to point to a secondary RNG. +// Then, adjust all the RNG functions in challenge/doors to use this RNG. ChallengeRandomizer::ChallengeRandomizer(const std::shared_ptr& memory, int seed) : _memory(memory) { - int RNG_ADDR = _memory->ReadData({GLOBALS + 0x10}, 1)[0]; - int RNG2_ADDR = _memory->ReadData({GLOBALS + 0x30}, 1)[0]; - _memory->WriteData({GLOBALS + 0x30}, {RNG_ADDR + 4}); - if (RNG2_ADDR == RNG_ADDR + 4) return; // Already applied hack + RNG_ADDR = _memory->ReadData({GLOBALS + 0x10}, 1)[0]; + RNG2_ADDR = _memory->ReadData({GLOBALS + 0x30}, 1)[0]; + bool alreadyInjected = (RNG2_ADDR == RNG_ADDR + 4); + + if (!alreadyInjected) _memory->WriteData({GLOBALS + 0x30}, {RNG_ADDR + 4}); + _memory->WriteData({GLOBALS + 0x30, 0}, {seed}); - int shuffle_integers = -1; - int cut_random_edges = -1; - int get_empty_decoration_slot = -1; - int get_empty_dot_spot = -1; - int add_exactly_this_many_bisection_dots = -1; - int make_a_shaper = -1; - int init_pattern_data_lotus = -1; - int reroll_lotus_eater_stuff = -1; - int do_lotus_minutes = -1; - int do_lotus_eighths = -1; int do_success_side_effects = -1; for (int i=0; i<0x200000; i+=0x1000) { std::vector data = _memory->ReadData({i}, 0x1100); std::cout << data.size() << std::endl; - if (shuffle_integers == -1) { - int index = find(data, {0x48, 0x89, 0x5C, 0x24, 0x10, 0x56, 0x48, 0x83, 0xEC, 0x20, 0x48, 0x63, 0xDA, 0x48, 0x8B, 0xF1, 0x83, 0xFB, 0x01}); - if (index != -1) { - shuffle_integers = i + index; - AdjustRng(shuffle_integers + 0x23); - } - } - if (cut_random_edges == -1) { - int index = find(data, {0x89, 0x44, 0x24, 0x3C, 0x33, 0xC0, 0x85, 0xC0, 0x75, 0xFA}); - if (index != -1) { - cut_random_edges = i + index - 0x22; - AdjustRng(cut_random_edges + 0x5D); - } - } - if (get_empty_decoration_slot == -1) { - int index = find(data, {0x57, 0x48, 0x83, 0xEC, 0x20, 0x8B, 0xB9, 0x38, 0x04}); // TODO: Sync versions - if (index != -1) { - get_empty_decoration_slot = i + index - 0x5; - AdjustRng(get_empty_decoration_slot + 0x16); - } - } - if (get_empty_dot_spot == -1) { - int index = find(data, {0xF7, 0xF3, 0x85, 0xD2, 0x74, 0xEC}); // TODO: Sync versions - if (index != -1) { - get_empty_dot_spot = i + index - 0x2E; - AdjustRng(get_empty_dot_spot + 0x23); - } - } - if (add_exactly_this_many_bisection_dots == -1) { - int index = find(data, {0x48, 0x8B, 0xB4, 0x24, 0xB8, 0x00, 0x00, 0x00, 0x48, 0x8B, 0xBC, 0x24, 0xB0, 0x00, 0x00, 0x00}); // TODO: Sync versions - if (index != -1) { - add_exactly_this_many_bisection_dots = i + index - 0x20; - AdjustRng(add_exactly_this_many_bisection_dots + 0x1C); - } - } - if (make_a_shaper == -1) { - int index = find(data, {0xF7, 0xE3, 0xD1, 0xEA, 0x8D, 0x0C, 0x52}); // TODO: Sync versions - if (index != -1) { - make_a_shaper = i + index - 0x19; - AdjustRng(make_a_shaper + 0x9); - AdjustRng(make_a_shaper + 0x35); - AdjustRng(make_a_shaper + 0x62); - } - } - if (/*Entity_Machine_Panel::*/init_pattern_data_lotus == -1) { - int index = find(data, {0x40, 0x55, 0x56, 0x48, 0x8D, 0x6C, 0x24, 0xB1}); // TODO: Sync versions - if (index != -1) { - init_pattern_data_lotus = i + index; - AdjustRng(init_pattern_data_lotus + 0x433); - AdjustRng(init_pattern_data_lotus + 0x45B); - AdjustRng(init_pattern_data_lotus + 0x5A7); - AdjustRng(init_pattern_data_lotus + 0x5D6); - AdjustRng(init_pattern_data_lotus + 0x6F6); - AdjustRng(init_pattern_data_lotus + 0xD17); - AdjustRng(init_pattern_data_lotus + 0xFDA); - } - } - if (/*Entity_Record_Player::*/reroll_lotus_eater_stuff == -1) { - int index = find(data, {0xB8, 0xAB, 0xAA, 0xAA, 0xAA, 0x41, 0xC1, 0xE8}); // TODO: Sync versions - if (index != -1) { - reroll_lotus_eater_stuff = i + index - 0x37; - AdjustRng(reroll_lotus_eater_stuff + 0x24); - AdjustRng(reroll_lotus_eater_stuff + 0x6B); - } - } - // These disable the random locations on timer panels, which would otherwise increment the RNG. - if (do_lotus_minutes == -1) { - int index = find(data, {0x0F, 0xBE, 0x6C, 0x08, 0xFF, 0x45}); // TODO: Sync versions - if (index != -1) { - do_lotus_minutes = i + index - 0x2B; - _memory->WriteData({do_lotus_minutes + 0x43B}, {0x31, 0xC0, 0x90, 0x90, 0x90}); // xor eax, eax ;RNG returns 0 - _memory->WriteData({do_lotus_minutes + 0x5B3}, {0x31, 0xC0, 0x90, 0x90, 0x90}); // xor eax, eax ;RNG returns 0 - } - } - if (do_lotus_eighths == -1) { - int index = find(data, {0x75, 0xF5, 0x0F, 0xBE, 0x44, 0x08, 0xFF}); // TODO: Sync versions - if (index != -1) { - do_lotus_eighths = i + index - 0x39; - _memory->WriteData({do_lotus_eighths + 0x1E7}, {0x31, 0xC0, 0x90, 0x90, 0x90}); // xor eax, eax ;RNG returns 0 - } - } + if (!alreadyInjected) HandleSigScans(i, data); + // This injection ensures that the seed is set every time the challenge is started. + // We always do this sigscan since it affects the seed. if (do_success_side_effects == -1) { int index = find(data, {0xFF, 0xC8, 0x99, 0x2B, 0xC2, 0xD1, 0xF8, 0x8B, 0xD0}); if (index != -1) { @@ -144,3 +61,114 @@ ChallengeRandomizer::ChallengeRandomizer(const std::shared_ptr& memory, } } } + +void ChallengeRandomizer::HandleSigScans(int i, const std::vector& data) { + static int shuffle_integers = -1; + static int shuffle_int = -1; + static int cut_random_edges = -1; + static int get_empty_decoration_slot = -1; + static int get_empty_dot_spot = -1; + static int add_exactly_this_many_bisection_dots = -1; + static int make_a_shaper = -1; + static int init_pattern_data_lotus = -1; + static int reroll_lotus_eater_stuff = -1; + static int do_lotus_minutes = -1; + static int do_lotus_tenths = -1; + static int do_lotus_eighths = -1; + + if (shuffle_integers == -1) { + int index = find(data, {0x48, 0x89, 0x5C, 0x24, 0x10, 0x56, 0x48, 0x83, 0xEC, 0x20, 0x48, 0x63, 0xDA, 0x48, 0x8B, 0xF1, 0x83, 0xFB, 0x01}); + if (index != -1) { + shuffle_integers = i + index; + AdjustRng(shuffle_integers + 0x23); + } + } + // shuffle + if (shuffle_int == -1) { + int index = find(data, {0x33, 0xF6, 0x48, 0x8B, 0xD9, 0x39, 0x31, 0x7E, 0x51}); + if (index != -1) { + shuffle_int = i + index - 0x16; + AdjustRng(shuffle_int + 0x12); + } + } + if (cut_random_edges == -1) { + int index = find(data, {0x89, 0x44, 0x24, 0x3C, 0x33, 0xC0, 0x85, 0xC0, 0x75, 0xFA}); + if (index != -1) { + cut_random_edges = i + index - 0x22; + AdjustRng(cut_random_edges + 0x5D); + } + } + if (get_empty_decoration_slot == -1) { + int index = find(data, {0x42, 0x83, 0x3C, 0x80, 0x00, 0x75, 0xDF}); + if (index != -1) { + get_empty_decoration_slot = i + index - 0x2D; + AdjustRng(get_empty_decoration_slot + 0x16); + } + } + if (get_empty_dot_spot == -1) { + int index = find(data, {0xF7, 0xF3, 0x85, 0xD2, 0x74, 0xEC}); + if (index != -1) { + get_empty_dot_spot = i + index - 0x2E; + AdjustRng(get_empty_dot_spot + 0x23); + } + } + if (add_exactly_this_many_bisection_dots == -1) { + int index = find(data, {0x48, 0x8B, 0xB4, 0x24, 0xB8, 0x00, 0x00, 0x00, 0x48, 0x8B, 0xBC, 0x24, 0xB0, 0x00, 0x00, 0x00}); + if (index != -1) { + add_exactly_this_many_bisection_dots = i + index - 0x20; + AdjustRng(add_exactly_this_many_bisection_dots + 0x1C); + } + } + if (make_a_shaper == -1) { + int index = find(data, {0xF7, 0xE3, 0xD1, 0xEA, 0x8D, 0x0C, 0x52}); + if (index != -1) { + make_a_shaper = i + index - 0x19; + AdjustRng(make_a_shaper + 0x9); + AdjustRng(make_a_shaper + 0x35); + AdjustRng(make_a_shaper + 0x62); + } + } + if (/*Entity_Machine_Panel::*/init_pattern_data_lotus == -1) { + int index = find(data, {0x40, 0x55, 0x56, 0x48, 0x8D, 0x6C, 0x24, 0xB1}); + if (index != -1) { + init_pattern_data_lotus = i + index; + AdjustRng(init_pattern_data_lotus + 0x433); + AdjustRng(init_pattern_data_lotus + 0x45B); + AdjustRng(init_pattern_data_lotus + 0x5A7); + AdjustRng(init_pattern_data_lotus + 0x5D6); + AdjustRng(init_pattern_data_lotus + 0x6F6); + AdjustRng(init_pattern_data_lotus + 0xD17); + AdjustRng(init_pattern_data_lotus + 0xFDA); + } + } + if (/*Entity_Record_Player::*/reroll_lotus_eater_stuff == -1) { + int index = find(data, {0xB8, 0xAB, 0xAA, 0xAA, 0xAA, 0x41, 0xC1, 0xE8}); + if (index != -1) { + reroll_lotus_eater_stuff = i + index - 0x37; + AdjustRng(reroll_lotus_eater_stuff + 0x24); + AdjustRng(reroll_lotus_eater_stuff + 0x6B); + } + } + // These disable the random locations on timer panels, which would otherwise increment the RNG. + if (do_lotus_minutes == -1) { + int index = find(data, {0x0F, 0xBE, 0x6C, 0x08, 0xFF, 0x45}); + if (index != -1) { + do_lotus_minutes = i + index - 0x2B; + _memory->WriteData({do_lotus_minutes + 0x43B}, {0x31, 0xC0, 0x90, 0x90, 0x90}); // xor eax, eax ;RNG returns 0 + } + } + if (do_lotus_tenths == -1) { + int index = find(data, {0x00, 0x04, 0x00, 0x00, 0x41, 0x8D, 0x50, 0x09}); + if (index != -1) { + do_lotus_tenths = i + index - 0x61; + _memory->WriteData({do_lotus_tenths + 0x103}, {0x31, 0xC0, 0x90, 0x90, 0x90}); // xor eax, eax ;RNG returns 0 + } + } + if (do_lotus_eighths == -1) { + int index = find(data, {0x75, 0xF5, 0x0F, 0xBE, 0x44, 0x08, 0xFF}); + if (index != -1) { + do_lotus_eighths = i + index - 0x39; + _memory->WriteData({do_lotus_eighths + 0x1E7}, {0x31, 0xC0, 0x90, 0x90, 0x90}); // xor eax, eax ;RNG returns 0 + } + } +} \ No newline at end of file -- cgit 1.4.1