add player package with key client-side player functionality, update protocol codecs, and refactor metadata definitions and slot usage

pkg/game/inventory/manager.go

@@ -0,0 +1,98 @@
+package inventory
+
+import (
+	"context"
+
+	"git.konjactw.dev/patyhank/minego/pkg/bot"
+	"git.konjactw.dev/patyhank/minego/pkg/protocol/packet/game/client"
+	"git.konjactw.dev/patyhank/minego/pkg/protocol/packet/game/server"
+	"git.konjactw.dev/patyhank/minego/pkg/protocol/slot"
+)
+
+// Manager 管理inventory和container
+type Manager struct {
+	c                  bot.Client
+	inventory          *Container
+	container          *Container
+	cursor             *slot.Slot
+	currentContainerID int32
+}
+
+func NewManager(c bot.Client) *Manager {
+	m := &Manager{
+		c:                  c,
+		inventory:          NewContainerWithSize(c, 0, 45),
+		currentContainerID: 0,
+	}
+
+	bot.AddHandler(c, func(ctx context.Context, p *client.SetContainerContent) {
+		if p.WindowID == 0 {
+			m.inventory.SetSlots(p.Slots)
+		} else if m.container != nil {
+			m.container.SetSlots(p.Slots)
+		}
+		m.c.Player().UpdateStateID(p.StateID)
+	})
+	bot.AddHandler(c, func(ctx context.Context, p *client.ContainerSetSlot) {
+		if p.ContainerID == 0 {
+			m.inventory.SetSlot(int(p.Slot), p.ItemStack)
+		} else if m.container != nil {
+			m.container.SetSlot(int(p.Slot), p.ItemStack)
+		}
+		m.c.Player().UpdateStateID(p.StateID)
+	})
+	bot.AddHandler(c, func(ctx context.Context, p *client.CloseContainer) {
+		if p.WindowID == m.currentContainerID {
+			m.currentContainerID = -1
+			if m.container != nil {
+				m.container = nil
+			}
+		}
+	})
+	bot.AddHandler(c, func(ctx context.Context, p *client.OpenScreen) {
+		m.currentContainerID = p.WindowID
+		m.container = NewContainer(c, p.WindowID)
+		go bot.PublishEvent(m.c, ContainerOpenEvent{
+			WindowID: p.WindowID,
+			Type:     p.WindowType,
+			Title:    p.WindowTitle,
+		})
+	})
+
+	return m
+}
+
+func (m *Manager) Inventory() bot.Container {
+	return m.inventory
+}
+
+func (m *Manager) Container() bot.Container {
+	return m.container
+}
+func (m *Manager) Cursor() *slot.Slot {
+	return m.cursor
+}
+
+func (m *Manager) CurrentContainerID() int32 {
+	return m.currentContainerID
+}
+
+func (m *Manager) Close() {
+	if m.currentContainerID != -1 {
+		_ = m.c.WritePacket(context.Background(), &server.ContainerClose{WindowID: m.currentContainerID})
+	} else {
+		_ = m.c.WritePacket(context.Background(), &server.ContainerClose{WindowID: 0})
+	}
+}
+
+// Click 點擊容器slot
+func (m *Manager) Click(id int32, slotIndex int16, mode int32, button int32) error {
+	clickPacket := &server.ContainerClick{
+		WindowID: id,
+		StateID:  m.c.Player().StateID(),
+		Slot:     slotIndex,
+		Button:   int8(button),
+		Mode:     mode,
+	}
+	return m.c.WritePacket(context.Background(), clickPacket)
+}