// Objects returns an array of all used objects.
func (level *Level) Objects() []model.LevelObject {
level.mutex.Lock()
defer level.mutex.Unlock()
var result []model.LevelObject
for index, rawEntry := range level.objectList {
if rawEntry.IsInUse() {
entry := model.LevelObject{
Identifiable: model.Identifiable{ID: fmt.Sprintf("%d", index)},
Class: int(rawEntry.Class),
Subclass: int(rawEntry.Subclass),
Type: int(rawEntry.Type)}
entry.BaseProperties.TileX = int(rawEntry.X >> 8)
entry.BaseProperties.FineX = int(rawEntry.X & 0xFF)
entry.BaseProperties.TileY = int(rawEntry.Y >> 8)
entry.BaseProperties.FineY = int(rawEntry.Y & 0xFF)
entry.BaseProperties.Z = int(rawEntry.Z)
entry.Hacking.Unknown0013 = bytesToIntArray(rawEntry.Unknown0013[:])
entry.Hacking.Unknown0017 = bytesToIntArray(rawEntry.Unknown0017[:])
meta := data.LevelObjectClassMetaEntry(rawEntry.Class)
classStore := level.store.Get(res.ResourceID(4000 + level.id*100 + 10 + entry.Class))
blockData := classStore.BlockData(0)
startOffset := meta.EntrySize * int(rawEntry.ClassTableIndex)
if (startOffset + meta.EntrySize) > len(blockData) {
fmt.Printf("!!!!! class %d meta says %d bytes size, can't reach index %d in blockData %d",
int(entry.Class), meta.EntrySize, rawEntry.ClassTableIndex, len(blockData))
} else {
entry.Hacking.ClassData = bytesToIntArray(blockData[startOffset+data.LevelObjectPrefixSize : startOffset+meta.EntrySize])
}
result = append(result, entry)
}
}
return result
}
// AddObject adds a new object at given tile.
func (level *Level) AddObject(template *model.LevelObjectTemplate) (createdIndex int, err error) {
level.mutex.Lock()
defer level.mutex.Unlock()
objID := res.MakeObjectID(res.ObjectClass(template.Class),
res.ObjectSubclass(template.Subclass), res.ObjectType(template.Type))
classMeta := data.LevelObjectClassMetaEntry(objID.Class)
classStore := level.store.Get(res.ResourceID(4000 + level.id*100 + 10 + int(objID.Class)))
classTable := logic.DecodeLevelObjectClassTable(classStore.BlockData(0), classMeta.EntrySize)
classChain := classTable.AsChain()
classIndex, classErr := classChain.AcquireLink()
if classErr != nil {
err = classErr
return
}
classEntry := classTable.Entry(classIndex)
classEntryData := classEntry.Data()
for index := 0; index < len(classEntryData); index++ {
classEntryData[index] = 0x00
}
objectIndex, objectErr := level.objectChain.AcquireLink()
if objectErr != nil {
classChain.ReleaseLink(classIndex)
err = objectErr
return
}
createdIndex = int(objectIndex)
locations := []logic.TileLocation{logic.AtTile(uint16(template.TileX), uint16(template.TileY))}
crossrefIndex, crossrefErr := level.crossrefList.AddObjectToMap(uint16(objectIndex), level.tileMap, locations)
if crossrefErr != nil {
classChain.ReleaseLink(classIndex)
level.objectChain.ReleaseLink(objectIndex)
err = crossrefErr
return
}
crossrefEntry := level.crossrefList.Entry(crossrefIndex)
objectEntry := &level.objectList[objectIndex]
objectEntry.InUse = 1
objectEntry.Class = objID.Class
objectEntry.Subclass = objID.Subclass
objectEntry.Type = objID.Type
objectEntry.X = data.MapCoordinateOf(byte(template.TileX), byte(template.FineX))
objectEntry.Y = data.MapCoordinateOf(byte(template.TileY), byte(template.FineY))
objectEntry.Z = byte(template.Z)
objectEntry.Rot1 = 0
objectEntry.Rot2 = 0
objectEntry.Rot3 = 0
objectEntry.Hitpoints = 1
objectEntry.CrossReferenceTableIndex = uint16(crossrefIndex)
crossrefEntry.LevelObjectTableIndex = uint16(objectIndex)
objectEntry.ClassTableIndex = uint16(classIndex)
classEntry.LevelObjectTableIndex = uint16(objectIndex)
classStore.SetBlockData(0, classTable.Encode())
objWriter := bytes.NewBuffer(nil)
binary.Write(objWriter, binary.LittleEndian, level.objectList)
level.objectListStore.SetBlockData(0, objWriter.Bytes())
level.crossrefListStore.SetBlockData(0, level.crossrefList.Encode())
level.onTileDataChanged()
return
}
