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Initial commit for GitHub migration based on spice2x-25-03-03
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sp2xdev
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#include "gitadora.h"
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#include <unordered_map>
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#include "cfg/configurator.h"
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#include "hooks/graphics/graphics.h"
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#include "util/cpuutils.h"
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#include "util/detour.h"
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#include "util/libutils.h"
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#include "util/logging.h"
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#include "util/sigscan.h"
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namespace games::gitadora {
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// settings
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bool TWOCHANNEL = false;
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std::optional<unsigned int> CAB_TYPE = std::nullopt;
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/*
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* GitaDora checks if the IP address has changed, and if it has it throws 5-1506-0000 like jubeat.
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* We don't want this so we patch it out.
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*/
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static char __cdecl eam_network_detected_ip_change() {
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return 0;
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}
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/*
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* GitaDora checks if the server it connects to is in the 192.168.0.0/16 or 169.254.0.0/16 subnet.
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* If it is, it downright refuses to use it and errors with no visible indication.
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* We don't want this so we patch it out.
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*/
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static char __cdecl eam_network_settings_conflict() {
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return 0;
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}
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/*
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* Prevent GitaDora from changing the volume setting.
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*/
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static long __cdecl bmsd2_set_windows_volume(int volume) {
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return 0;
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}
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#ifdef SPICE64
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/*
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* Two Channel Audio Mode
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* We proxy bmsd2_boot_hook and modify the last parameter which is apparently the channel count.
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* Since this apparently isn't the only thing required we need a signature scan to modify a value as well.
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*/
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typedef int (__cdecl *bmsd2_boot_t)(long a1, int a2, long a3, char channel_count);
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static bmsd2_boot_t bmsd2_boot_orig = nullptr;
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static int __cdecl bmsd2_boot_hook(long a1, int a2, long a3, char channel_count) {
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return bmsd2_boot_orig(a1, a2, a3, 2);
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}
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#endif
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/*
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* Command Line Arguments
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* We hook this to override specific values.
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* This currently disables the ability to specify your own in the app-config.xml (param/cmdline __type="str")
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*/
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static bool __cdecl sys_code_get_cmdline(const char *cmdline) {
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if (strcmp(cmdline, "-d") == 0) {
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return true;
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} else if (strcmp(cmdline, "-DM") == 0) {
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return true;
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} else if (strcmp(cmdline, "-WINDOW") == 0) {
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return GRAPHICS_WINDOWED;
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} else if (strcmp(cmdline, "-LOGOUT") == 0) {
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return false;
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} else if (strcmp(cmdline, "-AOU") == 0) {
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return false;
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} else if (strcmp(cmdline, "-QCMODE") == 0) {
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return false;
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} else if (strcmp(cmdline, "-FACTORY") == 0) {
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return false;
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}
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return false;
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}
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/*
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* System Setting Parameter Overrides
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*/
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static std::unordered_map<std::string, long> SYS_SETTINGS;
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static std::unordered_map<std::string, long> SYS_DEBUG_DIPS;
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static long __cdecl sys_setting_get_param(const char *param) {
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// overrides
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if (strcmp(param, "PRODUCTION_MODE") == 0) {
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return 0;
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} else if (strcmp(param, "ENABLE_DISP_ID") == 0) {
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return 0;
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} else if (CAB_TYPE.has_value() && strcmp(param, "VER_MACHINE") == 0) {
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return CAB_TYPE.value() << 12;
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}
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// map lookup
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auto it = SYS_SETTINGS.find(param);
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if (it != SYS_SETTINGS.end()) {
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return it->second;
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}
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return -1;
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}
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static long __cdecl sys_setting_set_param(const char *param, long value) {
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SYS_SETTINGS[std::string(param)] = value;
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return 1;
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}
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static long __cdecl sys_debug_dip_get_param(const char *param) {
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// overrides
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if (strcmp(param, "sysinfo") == 0) {
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return 0;
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} else if (strcmp(param, "jobbar1") == 0) {
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return 0;
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} else if (strcmp(param, "jobbar2") == 0) {
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return 0;
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} else if (strcmp(param, "serial") == 0) {
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return 0;
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} else if (strcmp(param, "warnvpf") == 0) {
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return 0;
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} else if (strcmp(param, "scrshot") == 0) {
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return 0;
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} else if (strcmp(param, "eamxml") == 0) {
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return 0;
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} else if (strcmp(param, "offset") == 0) {
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return 0;
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} else if (strcmp(param, "autodbg") == 0) {
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return 0;
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} else if (strcmp(param, "develop") == 0) {
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return 0;
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} else if (strcmp(param, "effect_test") == 0) {
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return 0;
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} else if (strcmp(param, "voice_type2") == 0) {
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return 0;
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}
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// map lookup
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auto it = SYS_DEBUG_DIPS.find(param);
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if (it != SYS_DEBUG_DIPS.end()) {
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return it->second;
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}
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return -1;
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}
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static long __cdecl sys_debug_dip_set_param(const char *param, long value) {
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SYS_DEBUG_DIPS[std::string(param)] = value;
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return 1;
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}
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GitaDoraGame::GitaDoraGame() : Game("GitaDora") {
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}
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void GitaDoraGame::pre_attach() {
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Game::pre_attach();
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if (!cfg::CONFIGURATOR_STANDALONE) {
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if (CAB_TYPE.has_value()) {
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log_info("gitadora", "cab type: {}", CAB_TYPE.value());
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} else {
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log_warning("gitadora", "cab type: not set");
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}
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log_info("gitadora", "applying processor affinity workaround to prevent hangs...");
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#ifdef SPICE64
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// workaround for hang on title screen, on systems with many SMT threads
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// exact cause is unknown; most likely a bad assumption in some video decoder
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// 0xFF (first 8 LPs) seems to work well for most people
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cpuutils::set_processor_affinity(0xFF, false);
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#else
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// XG versions ran on ancient dual-core AMD systems
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// having more cores cause random hangs on song select screen
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cpuutils::set_processor_affinity(0x3, false);
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// check invalid cab type
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if (CAB_TYPE.has_value() && CAB_TYPE.value() == 3) {
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log_fatal("gitadora", "Cabinet type 3 (SD2) not supported on XG series");
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}
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#endif
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}
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}
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void GitaDoraGame::attach() {
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Game::attach();
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// modules
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HMODULE sharepj_module = libutils::try_module("libshare-pj.dll");
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HMODULE bmsd2_module = libutils::try_module("libbmsd2.dll");
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HMODULE system_module = libutils::try_module("libsystem.dll");
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// patches
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detour::inline_hook((void *) eam_network_detected_ip_change, libutils::try_proc(
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sharepj_module, "eam_network_detected_ip_change"));
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detour::inline_hook((void *) eam_network_settings_conflict, libutils::try_proc(
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sharepj_module, "eam_network_settings_conflict"));
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detour::inline_hook((void *) bmsd2_set_windows_volume, libutils::try_proc(
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bmsd2_module, "bmsd2_set_windows_volume"));
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detour::inline_hook((void *) sys_code_get_cmdline, libutils::try_proc(
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system_module, "sys_code_get_cmdline"));
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detour::inline_hook((void *) sys_setting_get_param, libutils::try_proc(
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system_module, "sys_setting_get_param"));
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detour::inline_hook((void *) sys_setting_set_param, libutils::try_proc(
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system_module, "sys_setting_set_param"));
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detour::inline_hook((void *) sys_debug_dip_get_param, libutils::try_proc(
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system_module, "sys_debug_dip_get_param"));
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detour::inline_hook((void *) sys_debug_dip_set_param, libutils::try_proc(
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system_module, "sys_debug_dip_set_param"));
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#ifdef SPICE64
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HMODULE gdme_module = libutils::try_module("libgdme.dll");
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// window patch
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if (GRAPHICS_WINDOWED && !replace_pattern(
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gdme_module,
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"754185ED753D8B4118BF0000CB02",
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"9090????9090??????????????12", 0, 0))
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{
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log_warning("gitadora", "windowed mode failed");
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}
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HMODULE bmsd_engine_module = libutils::try_module("libbmsd-engine.dll");
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HMODULE bmsd_module = libutils::try_module("libbmsd.dll");
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// two channel mod
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if (TWOCHANNEL) {
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bmsd2_boot_orig = detour::iat_try("bmsd2_boot", bmsd2_boot_hook, bmsd_module);
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if (!(replace_pattern(bmsd_engine_module, "33000000488D", "03??????????", 0, 0) ||
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replace_pattern(bmsd_engine_module, "330000000F10", "03??????????", 0, 0)))
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{
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log_warning("gitadora", "two channel mode failed");
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}
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}
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#endif
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}
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}
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