完善服务器

Server/scene/instance/player.go

@@ -0,0 +1,63 @@
+package instance
+
+import (
+	"common/proto/gen/grpc_pb"
+)
+
+// PlayerNode 定义玩家节点结构体
+type PlayerNode struct {
+	ID        int
+	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
+}
+
+// 将指令存储到玩家身上
+func (p *PlayerNode) addAction(e *grpc_pb.ActionReq) {
+	if e.Action < 16 {
+		p.MoveCross = int8(e.Action)
+	} else {
+		p.Action = append(p.Action, e)
+	}
+}
+
+const (
+	DirUp    int8 = 1 << iota // 1 (00000001)
+	DirDown                   // 2 (00000010)
+	DirLeft                   // 4 (00000100)
+	DirRight                  // 8 (00001000)
+)
+
+// 逻辑帧-移动
+func (p *PlayerNode) logicMove() {
+	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
+	}
+
+	if moveX != 0 && moveY != 0 {
+		const diagonalFactor = 0.7071
+		moveX *= diagonalFactor
+		moveY *= diagonalFactor
+	}
+
+	speed := 100.0
+	p.Position[0] += moveX * speed
+	p.Position[1] += moveY * speed
+}