|
1 | 1 | package factorioSave |
| 2 | + |
| 3 | +import ( |
| 4 | + "log" |
| 5 | + "os" |
| 6 | + "encoding/binary" |
| 7 | +) |
| 8 | + |
| 9 | +type version16 struct { |
| 10 | + versionShort16 |
| 11 | + Revision uint16 |
| 12 | +} |
| 13 | +type versionShort16 struct { |
| 14 | + Major uint16 |
| 15 | + Minor uint16 |
| 16 | + Build uint16 |
| 17 | +} |
| 18 | +type versionShort8 struct { |
| 19 | + Major uint8 |
| 20 | + Minor uint8 |
| 21 | + Build uint8 |
| 22 | +} |
| 23 | +type Header struct { |
| 24 | + FactorioVersion version16 |
| 25 | + Campaign string |
| 26 | + Name string |
| 27 | + BaseMod string |
| 28 | + Difficulty uint8 |
| 29 | + Finished bool |
| 30 | + PlayerWon bool |
| 31 | + NextLevel string |
| 32 | + CanContinue bool |
| 33 | + FinishedButContinuing bool |
| 34 | + SavingReplay bool |
| 35 | + AllowNonAdminDebugOptions bool |
| 36 | + LoadedFrom versionShort8 |
| 37 | + LoadedFromBuild uint16 |
| 38 | + AllowedCommads uint8 |
| 39 | + NumMods uint8 |
| 40 | + Mods []singleMod |
| 41 | +} |
| 42 | +type singleMod struct { |
| 43 | + Name string |
| 44 | + Version versionShort8 |
| 45 | + CRC uint32 |
| 46 | +} |
| 47 | + |
| 48 | + |
| 49 | +func ReadHeader(filePath string) (Header, error) { |
| 50 | + var data Header |
| 51 | + |
| 52 | + fp, err := os.Open(filePath) |
| 53 | + if err != nil { |
| 54 | + log.Printf("error opening file: %s", err) |
| 55 | + return data, err |
| 56 | + } |
| 57 | + defer fp.Close() |
| 58 | + |
| 59 | + data.FactorioVersion, err = readVersion16(fp) |
| 60 | + if err != nil { |
| 61 | + log.Printf("Cant read FactorioVersion: %s", err) |
| 62 | + return data, err |
| 63 | + } |
| 64 | + |
| 65 | + if !data.FactorioVersion.CheckCompatibility(0, 16, 0) { |
| 66 | + log.Printf("NOT COMPATIBLE Save-File") |
| 67 | + return data, err |
| 68 | + } |
| 69 | + |
| 70 | + data.Campaign, err = readUTF8String(fp) |
| 71 | + if err != nil { |
| 72 | + log.Printf("Cant read Campaign: %s", err) |
| 73 | + return data, err |
| 74 | + } |
| 75 | + |
| 76 | + data.Name, err = readUTF8String(fp) |
| 77 | + if err != nil { |
| 78 | + log.Printf("Cant read Name: %s", err) |
| 79 | + return data, err |
| 80 | + } |
| 81 | + |
| 82 | + data.BaseMod, err = readUTF8String(fp) |
| 83 | + if err != nil { |
| 84 | + log.Printf("Cant read BaseMod: %s", err) |
| 85 | + return data, err |
| 86 | + } |
| 87 | + |
| 88 | + data.Difficulty, err = readUint8(fp) |
| 89 | + if err != nil { |
| 90 | + log.Printf("Cant read Difficulty: %s", err) |
| 91 | + return data, err |
| 92 | + } |
| 93 | + |
| 94 | + data.Finished, err = readBool(fp) |
| 95 | + if err != nil { |
| 96 | + log.Printf("Couln't read Finished bool: %s", err) |
| 97 | + return data, err |
| 98 | + } |
| 99 | + |
| 100 | + data.PlayerWon, err = readBool(fp) |
| 101 | + if err != nil { |
| 102 | + log.Printf("Couldn't read PlayerWon: %s", err) |
| 103 | + return data, err |
| 104 | + } |
| 105 | + |
| 106 | + data.NextLevel, err = readUTF8String(fp) |
| 107 | + if err != nil { |
| 108 | + log.Printf("Couldn't read NextLevel: %s", err) |
| 109 | + return data, err |
| 110 | + } |
| 111 | + |
| 112 | + data.CanContinue, err = readBool(fp) |
| 113 | + if err != nil { |
| 114 | + log.Printf("Couldn't read CanContinue: %s", err) |
| 115 | + return data, err |
| 116 | + } |
| 117 | + |
| 118 | + data.FinishedButContinuing, err = readBool(fp) |
| 119 | + if err != nil { |
| 120 | + log.Printf("Couldn't read FinishedButContinuing: %s", err) |
| 121 | + return data, err |
| 122 | + } |
| 123 | + |
| 124 | + data.SavingReplay, err = readBool(fp) |
| 125 | + if err != nil { |
| 126 | + log.Printf("Couldn't read SavingReplay: %s", err) |
| 127 | + return data, err |
| 128 | + } |
| 129 | + |
| 130 | + data.AllowNonAdminDebugOptions, err = readBool(fp) |
| 131 | + if err != nil { |
| 132 | + log.Printf("Couldn't read allow_non_admin_debug_options: %s", err) |
| 133 | + return data, err |
| 134 | + } |
| 135 | + |
| 136 | + data.LoadedFrom, err = readVersionShort8(fp) |
| 137 | + if err != nil { |
| 138 | + log.Printf("Couldn't read LoadedFrom: %s", err) |
| 139 | + return data, err |
| 140 | + } |
| 141 | + |
| 142 | + data.LoadedFromBuild, err = readUint16(fp) |
| 143 | + if err != nil { |
| 144 | + log.Printf("Couldn't read LoadedFromBuild: %s", err) |
| 145 | + return data, err |
| 146 | + } |
| 147 | + |
| 148 | + data.AllowedCommads, err = readUint8(fp) |
| 149 | + if err != nil { |
| 150 | + log.Printf("Couldn't read AllowedCommands: %s", err) |
| 151 | + return data, err |
| 152 | + } |
| 153 | + |
| 154 | + data.NumMods, err = readUint8(fp) |
| 155 | + if err != nil { |
| 156 | + log.Printf("Couldn't read NumMods: %s", err) |
| 157 | + return data, err |
| 158 | + } |
| 159 | + |
| 160 | + for i := uint8(0); i < data.NumMods; i++ { |
| 161 | + SingleMod, err := readSingleMod(fp) |
| 162 | + if err != nil { |
| 163 | + log.Printf("Couldn't read SingleMod: %s", err) |
| 164 | + return data, err |
| 165 | + } |
| 166 | + |
| 167 | + data.Mods = append(data.Mods, SingleMod) |
| 168 | + } |
| 169 | + |
| 170 | + log.Println(data) |
| 171 | + return data, nil |
| 172 | +} |
| 173 | + |
| 174 | +func readUTF8String(file *os.File) (string, error) { |
| 175 | + var err error |
| 176 | + infoByte := make([]byte, 1) |
| 177 | + |
| 178 | + _, err = file.Read(infoByte) |
| 179 | + if err != nil { |
| 180 | + log.Printf("Error reading infoByte: %s", err) |
| 181 | + return "", nil |
| 182 | + } |
| 183 | + stringLengthInBytes := int8(infoByte[0]) |
| 184 | + |
| 185 | + stringBytes := make([]byte, stringLengthInBytes) |
| 186 | + _, err = file.Read(stringBytes) |
| 187 | + if err != nil { |
| 188 | + log.Printf("error reading bytes: %s", err) |
| 189 | + return "", err |
| 190 | + } |
| 191 | + finalizedString := string(stringBytes[:]) |
| 192 | + |
| 193 | + return finalizedString, nil |
| 194 | +} |
| 195 | + |
| 196 | +func readUint8(file *os.File) (uint8, error) { |
| 197 | + var err error |
| 198 | + var temp [1]byte |
| 199 | + _, err = file.Read(temp[:]) |
| 200 | + if err != nil { |
| 201 | + log.Printf("error reading byte: %s", err) |
| 202 | + return 0, nil |
| 203 | + } |
| 204 | + |
| 205 | + return uint8(temp[0]), nil |
| 206 | +} |
| 207 | + |
| 208 | +func readUint16(file *os.File) (uint16, error) { |
| 209 | + var err error |
| 210 | + var temp [2]byte |
| 211 | + |
| 212 | + _, err = file.Read(temp[:]) |
| 213 | + if err != nil { |
| 214 | + log.Printf("error reading bytes: %s", err) |
| 215 | + return 0, err |
| 216 | + } |
| 217 | + |
| 218 | + return binary.LittleEndian.Uint16(temp[:]), nil |
| 219 | +} |
| 220 | + |
| 221 | +func readUint32(file *os.File) (uint32, error) { |
| 222 | + var err error |
| 223 | + var temp [4]byte |
| 224 | + |
| 225 | + _, err = file.Read(temp[:]) |
| 226 | + if err != nil { |
| 227 | + log.Printf("error reading bytes: %s", err) |
| 228 | + return 0, err |
| 229 | + } |
| 230 | + |
| 231 | + return binary.LittleEndian.Uint32(temp[:]), nil |
| 232 | +} |
| 233 | + |
| 234 | +func readBool(file *os.File) (bool, error) { |
| 235 | + byteAsInt, err := readUint8(file) |
| 236 | + if err != nil { |
| 237 | + log.Printf("error loading Uint8: %s", err) |
| 238 | + return false, err |
| 239 | + } |
| 240 | + |
| 241 | + return byteAsInt != 0, nil |
| 242 | +} |
| 243 | + |
| 244 | +func readVersion16(file *os.File) (version16, error) { |
| 245 | + var Version version16 |
| 246 | + var VersionShort versionShort16 |
| 247 | + var err error |
| 248 | + |
| 249 | + VersionShort, err = readVersionShort16(file) |
| 250 | + if err != nil { |
| 251 | + log.Printf("error reading VersionShort") |
| 252 | + return Version, err |
| 253 | + } |
| 254 | + |
| 255 | + Version.Major = VersionShort.Major |
| 256 | + Version.Minor = VersionShort.Minor |
| 257 | + Version.Build = VersionShort.Build |
| 258 | + |
| 259 | + Version.Revision, err = readUint16(file) |
| 260 | + if err != nil { |
| 261 | + log.Printf("error reading revision: %s", err) |
| 262 | + return Version, err |
| 263 | + } |
| 264 | + |
| 265 | + return Version, nil |
| 266 | +} |
| 267 | + |
| 268 | +func readVersionShort16(file *os.File) (versionShort16, error) { |
| 269 | + var Version versionShort16 |
| 270 | + var err error |
| 271 | + |
| 272 | + Version.Major, err = readUint16(file) |
| 273 | + if err != nil { |
| 274 | + log.Printf("error reading major: %s", err) |
| 275 | + return Version, err |
| 276 | + } |
| 277 | + |
| 278 | + Version.Minor, err = readUint16(file) |
| 279 | + if err != nil { |
| 280 | + log.Printf("error reading minor: %s", err) |
| 281 | + return Version, err |
| 282 | + } |
| 283 | + |
| 284 | + Version.Build, err = readUint16(file) |
| 285 | + if err != nil { |
| 286 | + log.Printf("error reading build: %s", err) |
| 287 | + return Version, err |
| 288 | + } |
| 289 | + |
| 290 | + return Version, err |
| 291 | +} |
| 292 | + |
| 293 | +func readVersionShort8(file *os.File) (versionShort8, error) { |
| 294 | + var Version versionShort8 |
| 295 | + var err error |
| 296 | + |
| 297 | + Version.Major, err = readUint8(file) |
| 298 | + if err != nil { |
| 299 | + log.Printf("error reading major: %s", err) |
| 300 | + return Version, err |
| 301 | + } |
| 302 | + |
| 303 | + Version.Minor, err = readUint8(file) |
| 304 | + if err != nil { |
| 305 | + log.Printf("error reading minor: %s", err) |
| 306 | + return Version, err |
| 307 | + } |
| 308 | + |
| 309 | + Version.Build, err = readUint8(file) |
| 310 | + if err != nil { |
| 311 | + log.Printf("error reading build: %s", err) |
| 312 | + return Version, err |
| 313 | + } |
| 314 | + |
| 315 | + return Version, nil |
| 316 | +} |
| 317 | + |
| 318 | +func readSingleMod(file *os.File) (singleMod, error) { |
| 319 | + var Mod singleMod |
| 320 | + var err error |
| 321 | + |
| 322 | + Mod.Name, err = readUTF8String(file) |
| 323 | + if err != nil { |
| 324 | + log.Printf("error loading modName: %s", err) |
| 325 | + return Mod, err |
| 326 | + } |
| 327 | + |
| 328 | + Mod.Version, err = readVersionShort8(file) |
| 329 | + if err != nil { |
| 330 | + log.Printf("error loading modVersion: %s", err) |
| 331 | + return Mod, err |
| 332 | + } |
| 333 | + |
| 334 | + Mod.CRC, err = readUint32(file) |
| 335 | + if err != nil { |
| 336 | + log.Printf("error loading CRC: %s", err) |
| 337 | + return Mod, err |
| 338 | + } |
| 339 | + |
| 340 | + return Mod, err |
| 341 | +} |
| 342 | + |
| 343 | +func (Version *versionShort16) CheckCompatibility(Major uint16, Minor uint16, Build uint16) (bool) { |
| 344 | + return Major >= Version.Major && Minor >= Version.Minor && Build >= Version.Build |
| 345 | +} |
0 commit comments