| 46 | } |
| 47 | |
| 48 | int32 GameBase::LoadProduct() |
| 49 | { |
| 50 | // Startup and project root paths are the same in build game |
| 51 | Globals::ProjectFolder = Globals::StartupFolder; |
| 52 | |
| 53 | // Load build game header file |
| 54 | { |
| 55 | int32 tmp; |
| 56 | Array<byte> data; |
| 57 | FileReadStream* stream = nullptr; |
| 58 | |
| 59 | #if 1 |
| 60 | // Open file |
| 61 | stream = FileReadStream::Open(Globals::ProjectFolder / TEXT("Content/head")); |
| 62 | if (stream == nullptr) |
| 63 | goto LOAD_GAME_HEAD_FAILED; |
| 64 | |
| 65 | // Check header |
| 66 | stream->ReadInt32(&tmp); |
| 67 | if (tmp != ('x' + 'D') * 131) |
| 68 | goto LOAD_GAME_HEAD_FAILED; |
| 69 | |
| 70 | // Don't allow to load game packaged by the other engine version |
| 71 | stream->ReadInt32(&tmp); |
| 72 | if (tmp != FLAXENGINE_VERSION_BUILD) |
| 73 | goto LOAD_GAME_HEAD_FAILED; |
| 74 | |
| 75 | // Load game primary data |
| 76 | stream->Read(data); |
| 77 | if (data.Count() != 808 + sizeof(Guid)) |
| 78 | goto LOAD_GAME_HEAD_FAILED; |
| 79 | Encryption::DecryptBytes(data.Get(), data.Count()); |
| 80 | Globals::ProductName = (const Char*)data.Get(); |
| 81 | Globals::CompanyName = (const Char*)(data.Get() + 400); |
| 82 | GameBaseImpl::HeaderFlags = (GameHeaderFlags)*(int32*)(data.Get() + 800); |
| 83 | Globals::ContentKey = *(int32*)(data.Get() + 804); |
| 84 | GameBaseImpl::SplashScreenId = *(Guid*)(data.Get() + 808); |
| 85 | |
| 86 | goto LOAD_GAME_HEAD_DONE; |
| 87 | |
| 88 | LOAD_GAME_HEAD_FAILED: |
| 89 | Platform::Fatal(TEXT("Cannot load game.")); |
| 90 | return -3; |
| 91 | |
| 92 | LOAD_GAME_HEAD_DONE: |
| 93 | Delete(stream); |
| 94 | #else |
| 95 | // Mock the settings to debug executable without content |
| 96 | Globals::ProductName = TEXT("Flax"); |
| 97 | Globals::CompanyName = TEXT("Flax"); |
| 98 | GameBaseImpl::HeaderFlags = GameHeaderFlags::ShowSplashScreen; |
| 99 | GameBaseImpl::SplashScreenId = Guid::Empty; |
| 100 | Globals::ContentKey = 0; |
| 101 | #endif |
| 102 | } |
| 103 | |
| 104 | return 0; |
| 105 | } |