OpenDiablo2/d2networking/d2netpacket/packet_player_cast.go

52 lines
1.3 KiB
Go

package d2netpacket
import (
"encoding/json"
"log"
"github.com/OpenDiablo2/OpenDiablo2/d2networking/d2netpacket/d2netpackettype"
)
// CastPacket contains a cast command for an entity. It is sent by the server
// and instructs the client to trigger the use of the given skill on the given
// entity.
// TODO: Need to handle being on different maps
type CastPacket struct {
SourceEntityID string `json:"sourceEntityId"`
SkillID int `json:"skillId"`
TargetX float64 `json:"targetX"`
TargetY float64 `json:"targetY"`
TargetEntityID string `json:"targetEntityId"`
}
// CreateCastPacket returns a NetPacket which declares a CastPacket with the
// given skill command.
func CreateCastPacket(entityID string, skillID int, targetX, targetY float64) NetPacket {
castPacket := CastPacket{
SourceEntityID: entityID,
SkillID: skillID,
TargetX: targetX,
TargetY: targetY,
TargetEntityID: "", // TODO implement targeting entities
}
b, err := json.Marshal(castPacket)
if err != nil {
log.Print(err)
}
return NetPacket{
PacketType: d2netpackettype.CastSkill,
PacketData: b,
}
}
func UnmarshalCast(packet []byte) (CastPacket, error) {
var p CastPacket
if err := json.Unmarshal(packet, &p); err != nil {
return p, err
}
return p, nil
}