package d2ds1 import ( "github.com/OpenDiablo2/OpenDiablo2/d2common" "github.com/OpenDiablo2/OpenDiablo2/d2common/d2enum" "github.com/OpenDiablo2/OpenDiablo2/d2common/d2interface" "github.com/OpenDiablo2/OpenDiablo2/d2data" "github.com/OpenDiablo2/OpenDiablo2/d2data/d2datadict" "github.com/OpenDiablo2/OpenDiablo2/d2helper" ) type DS1 struct { Version int32 // The version of the DS1 Width int32 // Width of map, in # of tiles Height int32 // Height of map, in # of tiles Act int32 // Act, from 1 to 5. This tells which act table to use for the Objects list SubstitutionType int32 // SubstitutionType (layer type): 0 if no layer, else type 1 or type 2 Files []string // FilePtr table of file string pointers NumberOfWalls int32 // WallNum number of wall & orientation layers used NumberOfFloors int32 // number of floor layers used NumberOfShadowLayers int32 // ShadowNum number of shadow layer used NumberOfSubstitutionLayers int32 // SubstitutionNum number of substitution layer used SubstitutionGroupsNum int32 // SubstitutionGroupsNum number of substitution groups, datas between objects & NPC paths Objects []d2data.Object // Objects Tiles [][]TileRecord SubstitutionGroups []SubstitutionGroup } func LoadDS1(path string, fileProvider d2interface.FileProvider) DS1 { ds1 := DS1{ NumberOfFloors: 1, NumberOfWalls: 1, NumberOfShadowLayers: 1, NumberOfSubstitutionLayers: 0, } fileData := fileProvider.LoadFile(path) br := d2common.CreateStreamReader(fileData) ds1.Version = br.GetInt32() ds1.Width = br.GetInt32() + 1 ds1.Height = br.GetInt32() + 1 if ds1.Version >= 8 { ds1.Act = d2helper.MinInt32(5, br.GetInt32()+1) } if ds1.Version >= 10 { ds1.SubstitutionType = br.GetInt32() if ds1.SubstitutionType == 1 || ds1.SubstitutionType == 2 { ds1.NumberOfSubstitutionLayers = 1 } } if ds1.Version >= 3 { // These files reference things that don't exist anymore :-? numberOfFiles := br.GetInt32() ds1.Files = make([]string, numberOfFiles) for i := 0; i < int(numberOfFiles); i++ { ds1.Files[i] = "" for { ch := br.GetByte() if ch == 0 { break } ds1.Files[i] += string(ch) } } } if ds1.Version >= 9 && ds1.Version <= 13 { // Skipping two dwords because they are "meaningless"? br.SkipBytes(16) } if ds1.Version >= 4 { ds1.NumberOfWalls = br.GetInt32() if ds1.Version >= 16 { ds1.NumberOfFloors = br.GetInt32() } else { ds1.NumberOfFloors = 1 } } var layerStream []d2enum.LayerStreamType if ds1.Version < 4 { layerStream = []d2enum.LayerStreamType{ d2enum.LayerStreamWall1, d2enum.LayerStreamFloor1, d2enum.LayerStreamOrientation1, d2enum.LayerStreamSubstitute, d2enum.LayerStreamShadow, } } else { layerStream = make([]d2enum.LayerStreamType, (ds1.NumberOfWalls*2)+ds1.NumberOfFloors+ds1.NumberOfShadowLayers+ds1.NumberOfSubstitutionLayers) layerIdx := 0 for i := 0; i < int(ds1.NumberOfWalls); i++ { layerStream[layerIdx] = d2enum.LayerStreamType(int(d2enum.LayerStreamWall1) + i) layerStream[layerIdx+1] = d2enum.LayerStreamType(int(d2enum.LayerStreamOrientation1) + i) layerIdx += 2 } for i := 0; i < int(ds1.NumberOfFloors); i++ { layerStream[layerIdx] = d2enum.LayerStreamType(int(d2enum.LayerStreamFloor1) + i) layerIdx++ } if ds1.NumberOfShadowLayers > 0 { layerStream[layerIdx] = d2enum.LayerStreamShadow layerIdx++ } if ds1.NumberOfSubstitutionLayers > 0 { layerStream[layerIdx] = d2enum.LayerStreamSubstitute layerIdx++ } } ds1.Tiles = make([][]TileRecord, ds1.Height) for y := range ds1.Tiles { ds1.Tiles[y] = make([]TileRecord, ds1.Width) for x := 0; x < int(ds1.Width); x++ { ds1.Tiles[y][x].Walls = make([]WallRecord, ds1.NumberOfWalls) ds1.Tiles[y][x].Floors = make([]FloorShadowRecord, ds1.NumberOfFloors) ds1.Tiles[y][x].Shadows = make([]FloorShadowRecord, ds1.NumberOfShadowLayers) ds1.Tiles[y][x].Substitutions = make([]SubstitutionRecord, ds1.NumberOfSubstitutionLayers) } } for _, layerStreamType := range layerStream { for y := 0; y < int(ds1.Height); y++ { for x := 0; x < int(ds1.Width); x++ { dw := br.GetUInt32() switch layerStreamType { case d2enum.LayerStreamWall1: fallthrough case d2enum.LayerStreamWall2: fallthrough case d2enum.LayerStreamWall3: fallthrough case d2enum.LayerStreamWall4: wallIndex := int(layerStreamType) - int(d2enum.LayerStreamWall1) ds1.Tiles[y][x].Walls[wallIndex].Prop1 = byte(dw & 0x000000FF) ds1.Tiles[y][x].Walls[wallIndex].SubIndex = byte((dw & 0x00003F00) >> 8) ds1.Tiles[y][x].Walls[wallIndex].Unknown1 = byte((dw & 0x000FC000) >> 14) ds1.Tiles[y][x].Walls[wallIndex].MainIndex = byte((dw & 0x03F00000) >> 20) ds1.Tiles[y][x].Walls[wallIndex].Unknown2 = byte((dw & 0x7C000000) >> 26) ds1.Tiles[y][x].Walls[wallIndex].Hidden = byte((dw&0x80000000)>>31) > 0 case d2enum.LayerStreamOrientation1: fallthrough case d2enum.LayerStreamOrientation2: fallthrough case d2enum.LayerStreamOrientation3: fallthrough case d2enum.LayerStreamOrientation4: wallIndex := int(layerStreamType) - int(d2enum.LayerStreamOrientation1) c := int32(dw & 0x000000FF) if ds1.Version < 7 { if c < 25 { c = dirLookup[c] } } ds1.Tiles[y][x].Walls[wallIndex].Orientation = byte(c) ds1.Tiles[y][x].Walls[wallIndex].Zero = byte((dw & 0xFFFFFF00) >> 8) case d2enum.LayerStreamFloor1: fallthrough case d2enum.LayerStreamFloor2: floorIndex := int(layerStreamType) - int(d2enum.LayerStreamFloor1) ds1.Tiles[y][x].Floors[floorIndex].Prop1 = byte(dw & 0x000000FF) ds1.Tiles[y][x].Floors[floorIndex].SubIndex = byte((dw & 0x00003F00) >> 8) ds1.Tiles[y][x].Floors[floorIndex].Unknown1 = byte((dw & 0x000FC000) >> 14) ds1.Tiles[y][x].Floors[floorIndex].MainIndex = byte((dw & 0x03F00000) >> 20) ds1.Tiles[y][x].Floors[floorIndex].Unknown2 = byte((dw & 0x7C000000) >> 26) ds1.Tiles[y][x].Floors[floorIndex].Hidden = byte((dw&0x80000000)>>31) > 0 case d2enum.LayerStreamShadow: ds1.Tiles[y][x].Shadows[0].Prop1 = byte(dw & 0x000000FF) ds1.Tiles[y][x].Shadows[0].SubIndex = byte((dw & 0x00003F00) >> 8) ds1.Tiles[y][x].Shadows[0].Unknown1 = byte((dw & 0x000FC000) >> 14) ds1.Tiles[y][x].Shadows[0].MainIndex = byte((dw & 0x03F00000) >> 20) ds1.Tiles[y][x].Shadows[0].Unknown2 = byte((dw & 0x7C000000) >> 26) ds1.Tiles[y][x].Shadows[0].Hidden = byte((dw&0x80000000)>>31) > 0 case d2enum.LayerStreamSubstitute: ds1.Tiles[y][x].Substitutions[0].Unknown = dw } } } } if ds1.Version >= 2 { numberOfObjects := br.GetInt32() ds1.Objects = make([]d2data.Object, numberOfObjects) for objIdx := 0; objIdx < int(numberOfObjects); objIdx++ { newObject := d2data.Object{} newObject.Type = br.GetInt32() newObject.Id = br.GetInt32() newObject.X = br.GetInt32() newObject.Y = br.GetInt32() newObject.Flags = br.GetInt32() newObject.Lookup = d2datadict.LookupObject(int(ds1.Act), int(newObject.Type), int(newObject.Id)) if newObject.Lookup != nil && newObject.Lookup.ObjectsTxtId != -1 { newObject.ObjectInfo = d2datadict.Objects[newObject.Lookup.ObjectsTxtId] } ds1.Objects[objIdx] = newObject } } else { ds1.Objects = make([]d2data.Object, 0) } if ds1.Version >= 12 && (ds1.SubstitutionType == 1 || ds1.SubstitutionType == 2) { if ds1.Version >= 18 { br.GetUInt32() } numberOfSubGroups := br.GetInt32() ds1.SubstitutionGroups = make([]SubstitutionGroup, numberOfSubGroups) for subIdx := 0; subIdx < int(numberOfSubGroups); subIdx++ { newSub := SubstitutionGroup{} newSub.TileX = br.GetInt32() newSub.TileY = br.GetInt32() newSub.WidthInTiles = br.GetInt32() newSub.HeightInTiles = br.GetInt32() newSub.Unknown = br.GetInt32() ds1.SubstitutionGroups[subIdx] = newSub } } else { ds1.SubstitutionGroups = make([]SubstitutionGroup, 0) } if ds1.Version >= 14 { numberOfNpcs := br.GetInt32() for npcIdx := 0; npcIdx < int(numberOfNpcs); npcIdx++ { numPaths := br.GetInt32() npcX := br.GetInt32() npcY := br.GetInt32() objIdx := -1 for idx, ds1Obj := range ds1.Objects { if ds1Obj.X == npcX && ds1Obj.Y == npcY { objIdx = idx break } } if objIdx > -1 { if ds1.Objects[objIdx].Paths == nil { ds1.Objects[objIdx].Paths = make([]d2common.Path, numPaths) } for pathIdx := 0; pathIdx < int(numPaths); pathIdx++ { newPath := d2common.Path{} newPath.X = br.GetInt32() newPath.Y = br.GetInt32() if ds1.Version >= 15 { newPath.Action = br.GetInt32() } ds1.Objects[objIdx].Paths[pathIdx] = newPath } } else { if ds1.Version >= 15 { br.SkipBytes(int(numPaths) * 3) } else { br.SkipBytes(int(numPaths) * 2) } } } } return ds1 }