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mirror of https://github.com/OpenDiablo2/OpenDiablo2 synced 2024-10-31 16:27:18 -04:00
OpenDiablo2/Map/DS1.go
Tim Sarbin 1afd86005e
Changes necessary for migration to org account (#67)
* Replaced old repo path with org path.

* Added editorconfig. Fixed line endings to LF.

* Fixed travis build badge path
2019-11-02 17:38:39 -04:00

309 lines
9.5 KiB
Go

package Map
import (
"github.com/OpenDiablo2/OpenDiablo2/Common"
)
var dirLookup = []int32{
0x00, 0x01, 0x02, 0x01, 0x02, 0x03, 0x03, 0x05, 0x05, 0x06,
0x06, 0x07, 0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E,
0x0F, 0x10, 0x11, 0x12, 0x14,
}
type LayerStreamType int
const (
LayerStreamWall1 LayerStreamType = 0
LayerStreamWall2 LayerStreamType = 1
LayerStreamWall3 LayerStreamType = 2
LayerStreamWall4 LayerStreamType = 3
LayerStreamOrientation1 LayerStreamType = 4
LayerStreamOrientation2 LayerStreamType = 5
LayerStreamOrientation3 LayerStreamType = 6
LayerStreamOrientation4 LayerStreamType = 7
LayerStreamFloor1 LayerStreamType = 8
LayerStreamFloor2 LayerStreamType = 9
LayerStreamShadow LayerStreamType = 10
LayerStreamSubstitute LayerStreamType = 11
)
type FloorShadowRecord struct {
Prop1 byte
SubIndex byte
Unknown1 byte
MainIndex byte
Unknown2 byte
Hidden bool
}
type WallRecord struct {
Orientation byte
Zero byte
Prop1 byte
SubIndex byte
Unknown1 byte
MainIndex byte
Unknown2 byte
Hidden bool
}
type SubstitutionRecord struct {
Unknown uint32
}
type TileRecord struct {
Floors []FloorShadowRecord
Walls []WallRecord
Shadows []FloorShadowRecord
Substitutions []SubstitutionRecord
}
type SubstitutionGroup struct {
TileX int32
TileY int32
WidthInTiles int32
HeightInTiles int32
Unknown int32
}
type Path struct {
X int32
Y int32
Action int32
}
type Object struct {
Type int32
Id int32
X int32
Y int32
Flags int32
Paths []Path
}
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 []Object // Objects
Tiles [][]TileRecord
SubstitutionGroups []SubstitutionGroup
}
func LoadDS1(path string, fileProvider Common.FileProvider) *DS1 {
ds1 := &DS1{
NumberOfFloors: 1,
NumberOfWalls: 1,
NumberOfShadowLayers: 1,
NumberOfSubstitutionLayers: 0,
}
fileData := fileProvider.LoadFile(path)
br := Common.CreateStreamReader(fileData)
ds1.Version = br.GetInt32()
ds1.Width = br.GetInt32() + 1
ds1.Height = br.GetInt32() + 1
if ds1.Version >= 8 {
ds1.Act = Common.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 []LayerStreamType
if ds1.Version < 4 {
layerStream = []LayerStreamType{
LayerStreamWall1,
LayerStreamFloor1,
LayerStreamOrientation1,
LayerStreamSubstitute,
LayerStreamShadow,
}
} else {
layerStream = make([]LayerStreamType, 0)
for i := 0; i < int(ds1.NumberOfWalls); i++ {
layerStream = append(layerStream, LayerStreamType(int(LayerStreamWall1)+i))
layerStream = append(layerStream, LayerStreamType(int(LayerStreamOrientation1)+i))
}
for i := 0; i < int(ds1.NumberOfFloors); i++ {
layerStream = append(layerStream, LayerStreamType(int(LayerStreamFloor1)+i))
}
if ds1.NumberOfShadowLayers > 0 {
layerStream = append(layerStream, LayerStreamShadow)
}
if ds1.NumberOfSubstitutionLayers > 0 {
layerStream = append(layerStream, LayerStreamSubstitute)
}
}
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 LayerStreamWall1:
fallthrough
case LayerStreamWall2:
fallthrough
case LayerStreamWall3:
fallthrough
case LayerStreamWall4:
wallIndex := int(layerStreamType) - int(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 LayerStreamOrientation1:
fallthrough
case LayerStreamOrientation2:
fallthrough
case LayerStreamOrientation3:
fallthrough
case LayerStreamOrientation4:
wallIndex := int(layerStreamType) - int(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 LayerStreamFloor1:
fallthrough
case LayerStreamFloor2:
floorIndex := int(layerStreamType) - int(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 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 LayerStreamSubstitute:
ds1.Tiles[y][x].Substitutions[0].Unknown = dw
}
}
}
}
ds1.Objects = make([]Object, 0)
if ds1.Version >= 2 {
numberOfObjects := br.GetInt32()
for objIdx := 0; objIdx < int(numberOfObjects); objIdx++ {
newObject := Object{}
newObject.Type = br.GetInt32()
newObject.Id = br.GetInt32()
newObject.X = br.GetInt32()
newObject.Y = br.GetInt32()
newObject.Flags = br.GetInt32()
ds1.Objects = append(ds1.Objects, newObject)
}
}
ds1.SubstitutionGroups = make([]SubstitutionGroup, 0)
if ds1.Version >= 12 && (ds1.SubstitutionType == 1 || ds1.SubstitutionType == 2) {
if ds1.Version >= 18 {
br.GetUInt32()
}
numberOfSubGroups := br.GetInt32()
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 = append(ds1.SubstitutionGroups, newSub)
}
}
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([]Path, numPaths)
}
for pathIdx := 0; pathIdx < int(numPaths); pathIdx++ {
newPath := 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
}