package d2mapstamp import ( "github.com/OpenDiablo2/OpenDiablo2/d2common/d2enum" "github.com/OpenDiablo2/OpenDiablo2/d2common/d2fileformats/d2ds1" "github.com/OpenDiablo2/OpenDiablo2/d2common/d2fileformats/d2dt1" "github.com/OpenDiablo2/OpenDiablo2/d2common/d2geom" "github.com/OpenDiablo2/OpenDiablo2/d2common/d2interface" "github.com/OpenDiablo2/OpenDiablo2/d2common/d2math/d2vector" "github.com/OpenDiablo2/OpenDiablo2/d2common/d2path" "github.com/OpenDiablo2/OpenDiablo2/d2common/d2resource" "github.com/OpenDiablo2/OpenDiablo2/d2core/d2map/d2mapentity" "github.com/OpenDiablo2/OpenDiablo2/d2core/d2records" ) const ( subtilesPerTile = 5 ) // Stamp represents a pre-fabricated map stamp that can be placed on a map. type Stamp struct { factory *StampFactory entity *d2mapentity.MapEntityFactory regionPath string // The file path of the region regionID d2enum.RegionIdType levelType d2records.LevelTypeRecord // The level type id for this stamp levelPreset d2records.LevelPresetRecord // The level preset id for this stamp tiles []d2dt1.Tile // The tiles contained on this stamp ds1 *d2ds1.DS1 // The backing DS1 file for this stamp } // Size returns the size of the stamp in tiles. func (mr *Stamp) Size() d2geom.Size { return d2geom.Size{Width: int(mr.ds1.Width), Height: int(mr.ds1.Height)} } // LevelPreset returns the level preset ID. func (mr *Stamp) LevelPreset() d2records.LevelPresetRecord { return mr.levelPreset } // LevelType returns the level type ID. func (mr *Stamp) LevelType() d2records.LevelTypeRecord { return mr.levelType } // RegionID returns the regionID func (mr *Stamp) RegionID() d2enum.RegionIdType { return mr.regionID } // RegionPath returns the file path of the region. func (mr *Stamp) RegionPath() string { return mr.regionPath } // Tile returns the tile at the given x and y tile coordinates. func (mr *Stamp) Tile(x, y int) *d2ds1.TileRecord { return &mr.ds1.Tiles[y][x] } // TileData returns the tile data for the tile with given style, sequence and type. func (mr *Stamp) TileData(style, sequence int32, tileType d2enum.TileType) *d2dt1.Tile { for idx := range mr.tiles { tile := &mr.tiles[idx] if tile.Style == style && tile.Sequence == sequence && tile.Type == int32(tileType) { return tile } } return nil } // Entities spawns all entities and objects in this tile on the map. func (mr *Stamp) Entities(tileOffsetX, tileOffsetY int) []d2interface.MapEntity { entities := make([]d2interface.MapEntity, 0) for _, object := range mr.ds1.Objects { if object.Type == int(d2enum.ObjectTypeCharacter) { monPreset := mr.factory.asset.Records.Monster.Presets[mr.ds1.Act][object.ID] monstat := mr.factory.asset.Records.Monster.Stats[monPreset] // If monstat is nil here it is a place_ type object, idk how to handle those yet. // (See monpreset and monplace txts for reference) if monstat != nil { // Temorary use of Lookup. npcX, npcY := (tileOffsetX*5)+object.X, (tileOffsetY*5)+object.Y npc, err := mr.entity.NewNPC(npcX, npcY, monstat, 0) if err == nil { npc.SetPaths(convertPaths(tileOffsetX, tileOffsetY, object.Paths)) entities = append(entities, npc) } } } if object.Type == int(d2enum.ObjectTypeItem) { // For objects the DS1 ID to objectID is hardcoded in the game // use the lookup table lookup := mr.factory.asset.Records.LookupObject(int(mr.ds1.Act), object.Type, object.ID) if lookup == nil { continue } objectRecord := mr.factory.asset.Records.Object.Details[lookup.ObjectsTxtId] if objectRecord != nil { entity, err := mr.entity.NewObject((tileOffsetX*5)+object.X, (tileOffsetY*5)+object.Y, objectRecord, d2resource.PaletteUnits) if err != nil { panic(err) } entities = append(entities, entity) } } } return entities } func convertPaths(tileOffsetX, tileOffsetY int, paths []d2path.Path) []d2path.Path { result := make([]d2path.Path, len(paths)) for i := 0; i < len(paths); i++ { result[i].Action = paths[i].Action result[i].Position = d2vector.NewPosition( paths[i].Position.X()+float64(tileOffsetX*subtilesPerTile), paths[i].Position.Y()+float64(tileOffsetY*subtilesPerTile)) } return result }