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mirror of https://github.com/OpenDiablo2/OpenDiablo2 synced 2024-11-06 18:27:20 -05:00
OpenDiablo2/d2common/d2data/d2datadict/object_query.go
2020-02-01 21:51:49 -05:00

91 lines
2.3 KiB
Go

package d2datadict
import (
"log"
)
type ObjectType int
const (
ObjectTypeCharacter ObjectType = 1
ObjectTypeItem ObjectType = 2
)
type ObjectLookupRecord struct {
Act int
Type ObjectType
Id int
Description string
ObjectsTxtId int
MonstatsTxtId int
Direction int
Base string
Token string
Mode string
Class string
HD string
TR string
LG string
RA string
LA string
RH string
LH string
SH string
S1 string
S2 string
S3 string
S4 string
S5 string
S6 string
S7 string
S8 string
ColorMap string
Index int
}
func LookupObject(act, typ, id int) *ObjectLookupRecord {
object := lookupObject(act, typ, id, indexedObjects)
if object == nil {
log.Panicf("Failed to look up object Act: %d, Type: %d, Id: %d", act, typ, id)
}
return object
}
func lookupObject(act, typ, id int, objects [][][]*ObjectLookupRecord) *ObjectLookupRecord {
if objects[act] != nil && objects[act][typ] != nil && objects[act][typ][id] != nil {
return objects[act][typ][id]
}
return nil
}
func init() {
indexedObjects = indexObjects(objectLookups)
}
func indexObjects(objects []ObjectLookupRecord) [][][]*ObjectLookupRecord {
// Allocating 6 to allow Acts 1-5 without requiring a -1 at every read.
indexedObjects = make([][][]*ObjectLookupRecord, 6)
for i := range objects {
record := &objects[i]
if indexedObjects[record.Act] == nil {
// Likewise allocating 3 so a -1 isn't necessary.
indexedObjects[record.Act] = make([][]*ObjectLookupRecord, 3)
}
if indexedObjects[record.Act][record.Type] == nil {
// For simplicity, allocating with length 1000 then filling the values in by index.
// If ids in the dictionary ever surpass 1000, raise this number.
indexedObjects[record.Act][record.Type] = make([]*ObjectLookupRecord, 1000)
}
indexedObjects[record.Act][record.Type][record.Id] = record
}
return indexedObjects
}
// Indexed slice of object records for quick lookups.
// nil checks should be done for uninitialized values at each level.
// [Act 1-5][Type 1-2][Id 0-855]
var indexedObjects [][][]*ObjectLookupRecord