修复了一些bug

cmd/client/input.go

@@ -31,6 +31,7 @@ type inputState struct {
 	breakDown  bool
 	breakHeld  bool
 	placeDown  bool
+	placeHeld  bool
 	selectSlot int  // -1 无
 	toggleInv  bool // E 打开/关闭物品栏
 	dropItem   bool // Q 丢弃选中槽 1 个物品
@@ -39,7 +40,13 @@ type inputState struct {
 	cursorX, cursorY float64
 	clickX, clickY   float32
 	clicked          bool
+	clickedRight     bool
 	escPressed       bool
+	toggleFS         bool // F11 / Alt+Enter（渲染线程消费，渲染.md §5.4）
+
+	textMode  bool
+	chars     []rune
+	backspace bool
 }
 
 // newInputState 创建输入状态并注册回调。
@@ -49,6 +56,7 @@ func newInputState(win *glfw.Window) *inputState {
 	win.SetMouseButtonCallback(in.mouseButtonCallback)
 	win.SetCursorPosCallback(in.cursorCallback)
 	win.SetScrollCallback(in.scrollCallback)
+	win.SetCharCallback(in.charCallback)
 	return in
 }
 
@@ -63,7 +71,7 @@ func (in *inputState) SetSensitivity(s float64) {
 func (in *inputState) Sensitivity() float64 { return in.sens }
 
 // keyCallback 键盘回调（动作映射：WASD/空格/Shift/Ctrl/Esc）。
-func (in *inputState) keyCallback(_ *glfw.Window, key glfw.Key, _ int, action glfw.Action, _ glfw.ModifierKey) {
+func (in *inputState) keyCallback(_ *glfw.Window, key glfw.Key, _ int, action glfw.Action, mods glfw.ModifierKey) {
 	down := action != glfw.Release
 	switch key {
 	case glfw.KeyW:
@@ -84,6 +92,10 @@ func (in *inputState) keyCallback(_ *glfw.Window, key glfw.Key, _ int, action gl
 		if action == glfw.Press {
 			in.escPressed = true // 暂停/继续由屏幕状态机处理
 		}
+	case glfw.KeyBackspace:
+		if action != glfw.Release && in.textMode {
+			in.backspace = true
+		}
 	case glfw.Key1, glfw.Key2, glfw.Key3, glfw.Key4, glfw.Key5, glfw.Key6, glfw.Key7, glfw.Key8, glfw.Key9:
 		if action == glfw.Press {
 			in.selectSlot = int(key) - int(glfw.Key1)
@@ -96,9 +108,24 @@ func (in *inputState) keyCallback(_ *glfw.Window, key glfw.Key, _ int, action gl
 		if action == glfw.Press {
 			in.dropItem = true // 丢弃物品（UI与输入.md §5）
 		}
+	case glfw.KeyF11:
+		if action == glfw.Press {
+			in.toggleFS = true
+		}
+	case glfw.KeyEnter, glfw.KeyKPEnter:
+		if action == glfw.Press && mods&glfw.ModAlt != 0 {
+			in.toggleFS = true
+		}
 	}
 }
 
+func (in *inputState) charCallback(_ *glfw.Window, char rune) {
+	if !in.textMode {
+		return
+	}
+	in.chars = append(in.chars, char)
+}
+
 // mouseButtonCallback 鼠标按键：左键破坏（按住累积）、右键放置（UI与输入.md §6 长按）。
 func (in *inputState) mouseButtonCallback(_ *glfw.Window, button glfw.MouseButton, action glfw.Action, _ glfw.ModifierKey) {
 	switch button {
@@ -113,7 +140,11 @@ func (in *inputState) mouseButtonCallback(_ *glfw.Window, button glfw.MouseButto
 	case glfw.MouseButtonRight:
 		if action == glfw.Press {
 			in.placeDown = true
+			in.clickedRight = true
+			in.clickX = float32(in.cursorX)
+			in.clickY = float32(in.cursorY)
 		}
+		in.placeHeld = action != glfw.Release
 	}
 }
 
@@ -184,10 +215,15 @@ func (in *inputState) apply(s *game.Session) {
 		wish[1] -= r[2]
 	}
 	speed := 4.3
-	if in.sprint {
+	if p.InWater {
+		speed = 2.2
+		if in.sprint && in.forward {
+			speed = 5.4
+		}
+	} else if in.sprint {
 		speed *= 1.3
 	}
-	if in.sneak {
+	if in.sneak && !p.InWater {
 		speed *= 0.3
 	}
 	l := math.Sqrt(wish[0]*wish[0] + wish[1]*wish[1])
@@ -199,17 +235,25 @@ func (in *inputState) apply(s *game.Session) {
 		p.Vel[2] = 0
 	}
 
-	// 跳跃
-	if in.jump && p.OnGround {
-		p.Jump()
+	// 跳跃 / 游泳（物理与碰撞.md §4：水中空格上浮，不要求落地）
+	if in.jump {
+		if p.InWater {
+			p.SwimUp()
+		} else if p.OnGround {
+			p.Jump()
+		}
 	}
+	if in.sneak && p.InWater {
+		p.SwimDown()
+	}
+	p.SetPose(s.World, in.sneak && !p.InWater, in.sprint && in.forward && p.InWater)
 
-	// 热键栏切换
+	// 热键栏切换（UI与输入.md §6：上滚槽位−1，下滚+1，对齐原版 Java）
 	switch in.selectSlot {
 	case -2:
-		s.Inv.Selected = (s.Inv.Selected + 1) % 9
-	case -3:
 		s.Inv.Selected = (s.Inv.Selected + 8) % 9
+	case -3:
+		s.Inv.Selected = (s.Inv.Selected + 1) % 9
 	default:
 		if in.selectSlot >= 0 && in.selectSlot < 9 {
 			s.Inv.Selected = in.selectSlot
@@ -217,20 +261,28 @@ func (in *inputState) apply(s *game.Session) {
 	}
 	in.selectSlot = -1
 
-	// 左键：优先攻击实体（动物体系.md §5），未命中再破坏方块（按住累积）
+	// 左键：按下边沿攻击一次；按住连续破坏（方块交互与动画.md §3）
 	if in.breakDown {
 		if !s.Attack() {
+			if _, ok := s.Cast(5); !ok {
+				s.SwingMiss()
+			}
 			s.BeginBreak()
 		}
 		in.breakDown = false
-	}
-	if !in.breakHeld && s.BreakProgress() != 0 {
+	} else if in.breakHeld {
+		if !s.Breaking() {
+			s.BeginBreak()
+		} else {
+			s.ContinueBreak()
+		}
+	} else if s.Breaking() || s.BreakProgress() != 0 {
 		s.EndBreak()
 	}
 
-	// 放置（右键；命中工作台则打开合成界面，工作台与合成表.md §5）
+	// 放置（右键；命中工作台/熔炉/箱子则打开界面）
 	if in.placeDown {
-		if !s.TryOpenCrafting() {
+		if !s.TryOpenCrafting() && !s.TryOpenFurnace() && !s.TryOpenChest() && !s.TryFlickLever() && !s.TryUseEntity() && !s.TryEat() {
 			s.PlaceSelected()
 		}
 		in.placeDown = false