61 lines
1.7 KiB
C++
61 lines
1.7 KiB
C++
#include <std_include.hpp>
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#include "loader/component_loader.hpp"
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#include "game/dvars.hpp"
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#include "game/game.hpp"
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#include <utils/io.hpp>
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#include <utils/hook.hpp>
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namespace database
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{
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namespace
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{
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game::dvar_t* db_filesysImpl = nullptr;
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utils::hook::detour db_fs_initialize_hook;
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game::DB_FileSysInterface* db_fs_initialize_stub()
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{
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switch (db_filesysImpl->current.integer)
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{
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case 0:
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return reinterpret_cast<game::DB_FileSysInterface*>(0x140BE82F8); // ptr to vtable of BnetTACTVFSManager (implements DB_FileSysInterface)
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case 1:
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return reinterpret_cast<game::DB_FileSysInterface*>(0x140BEFDC0); // ptr to vtable of DiskFS (implements DB_FileSysInterface)
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default:
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return nullptr; // this should not happen
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}
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}
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}
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class component final : public component_interface
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{
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public:
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void post_unpack() override
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{
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static const char* values[] =
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{
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"BnetTACTVFSManager", // (load files from CASC)
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"DiskFS", // (load files from disk)
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nullptr
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};
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const auto default_value = static_cast<int>(!utils::io::directory_exists("Data/data")
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|| !utils::io::directory_exists("Data/config")
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|| !utils::io::directory_exists("Data/indices"));
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db_filesysImpl = dvars::register_enum("db_filesysImpl", values, default_value, game::DVAR_FLAG_READ, "Filesystem implementation");
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if (default_value == 1)
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{
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utils::hook::nop(0x1405A4868, 22); // TACT related stuff that's pointless if we're using DiskFS
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utils::hook::nop(0x14071AF83, 45); // Skip setting Bink file OS callbacks (not necessary since we're loading from disk)
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}
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db_fs_initialize_hook.create(game::DB_FSInitialize, db_fs_initialize_stub);
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}
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};
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}
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REGISTER_COMPONENT(database::component)
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