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