server

Server/scene/npc/npc.go

@@ -0,0 +1,76 @@
+package npc
+
+import (
+	"common/proto/gen/grpc_pb"
+)
+
+// NPCNode 定义NPC节点
+type NPCNode struct {
+	UID        int   // 用户ID
+	GatewaySID int64 // 网关服务ID
+
+	Position  [2]float64           // 二维坐标 [x, y]
+	MoveCross int8                 // 移动十字，1 上 2 下 4 左 8 右
+	Action    []*grpc_pb.ActionReq // 其他操作
+}
+
+func NewNPCNode(gatewaySID int64, uid int) *NPCNode {
+	return &NPCNode{
+		UID:        uid,
+		GatewaySID: gatewaySID,
+		Position:   [2]float64{0, 0},
+		MoveCross:  0,
+		Action:     make([]*grpc_pb.ActionReq, 0),
+	}
+}
+
+// 逻辑帧-移动
+func (p *NPCNode) logicMove() bool {
+	if p.MoveCross&DirUp != 0 && p.MoveCross&DirDown != 0 {
+		p.MoveCross &^= DirUp | DirDown
+	}
+	if p.MoveCross&DirLeft != 0 && p.MoveCross&DirRight != 0 {
+		p.MoveCross &^= DirLeft | DirRight
+	}
+
+	var moveX, moveY float64
+	if p.MoveCross&DirUp != 0 {
+		moveY += 1
+	}
+	if p.MoveCross&DirDown != 0 {
+		moveY -= 1
+	}
+	if p.MoveCross&DirLeft != 0 {
+		moveX -= 1
+	}
+	if p.MoveCross&DirRight != 0 {
+		moveX += 1
+	}
+	// 没有移动
+	if moveX == 0 && moveY == 0 {
+		return false
+	}
+
+	if moveX != 0 && moveY != 0 {
+		const diagonalFactor = 0.7071
+		moveX *= diagonalFactor
+		moveY *= diagonalFactor
+	}
+
+	speed := 10.0
+	p.Position[0] += moveX * speed
+	p.Position[1] += moveY * speed
+	if p.Position[0] < 0 {
+		p.Position[0] = 0
+	}
+	if p.Position[0] > 400 {
+		p.Position[0] = 400
+	}
+	if p.Position[1] < 0 {
+		p.Position[1] = 0
+	}
+	if p.Position[1] > 400 {
+		p.Position[1] = 400
+	}
+	return true
+}