77 lines
1.5 KiB
Go
77 lines
1.5 KiB
Go
package npc
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import (
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"common/proto/gen/grpc_pb"
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)
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// NPCNode 定义NPC节点
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type NPCNode struct {
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UID int // 用户ID
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GatewaySID int64 // 网关服务ID
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Position [2]float64 // 二维坐标 [x, y]
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MoveCross int8 // 移动十字，1 上 2 下 4 左 8 右
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Action []*grpc_pb.ActionReq // 其他操作
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}
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func NewNPCNode(gatewaySID int64, uid int) *NPCNode {
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return &NPCNode{
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UID: uid,
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GatewaySID: gatewaySID,
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Position: [2]float64{0, 0},
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MoveCross: 0,
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Action: make([]*grpc_pb.ActionReq, 0),
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}
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}
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// 逻辑帧-移动
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func (p *NPCNode) logicMove() bool {
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if p.MoveCross&DirUp != 0 && p.MoveCross&DirDown != 0 {
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p.MoveCross &^= DirUp | DirDown
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}
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if p.MoveCross&DirLeft != 0 && p.MoveCross&DirRight != 0 {
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p.MoveCross &^= DirLeft | DirRight
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}
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var moveX, moveY float64
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if p.MoveCross&DirUp != 0 {
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moveY += 1
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}
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if p.MoveCross&DirDown != 0 {
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moveY -= 1
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}
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if p.MoveCross&DirLeft != 0 {
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moveX -= 1
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}
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if p.MoveCross&DirRight != 0 {
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moveX += 1
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}
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// 没有移动
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if moveX == 0 && moveY == 0 {
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return false
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}
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if moveX != 0 && moveY != 0 {
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const diagonalFactor = 0.7071
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moveX *= diagonalFactor
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moveY *= diagonalFactor
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}
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speed := 10.0
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p.Position[0] += moveX * speed
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p.Position[1] += moveY * speed
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if p.Position[0] < 0 {
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p.Position[0] = 0
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}
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if p.Position[0] > 400 {
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p.Position[0] = 400
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}
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if p.Position[1] < 0 {
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p.Position[1] = 0
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}
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if p.Position[1] > 400 {
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p.Position[1] = 400
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}
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return true
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}
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