77 lines
2.1 KiB
Lua
77 lines
2.1 KiB
Lua
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local Hud = {}
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local ESlateVisibility = import("ESlateVisibility")
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local WidgetBlueprintLibrary = import("WidgetBlueprintLibrary")
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local GameplayStatics = import("GameplayStatics")
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local BusyActorManagerSubSystem = import("BusyActorManagerSubSystem")
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local function ProcessSuspendShowRequests(hud)
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for _, request in pairs(hud.suspend_show_requests) do
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hud:CreateAndShowWidget(request[1], request[2])
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end
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end
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function Hud:ctor()
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self.layer = nil
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self.suspend_show_requests = {}
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self.widget_pool = {}
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end
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function Hud:ReceiveBeginPlay()
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print("Hud:ReceiveBeginPlay")
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if self.layer == nil then
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self.layer = self:GetOrCreateWidget("UILayer")
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end
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if self.layer ~= nil then
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self.layer:SetVisibility(ESlateVisibility.SelfHitTestInvisible)
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self.layer:AddToViewport(0)
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self:CreateAndShowWidget("MainUI", {})
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ProcessSuspendShowRequests(self)
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end
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end
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function Hud:ReceiveEndPlay()
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print("Hud:ReceiveEndPlay")
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end
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function Hud:GetOrCreateWidget(widget_name)
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local exist_widget = self.widget_pool[widget_name]
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if exist_widget ~= nil and exist_widget.bSingletonInstance then
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return exist_widget
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end
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local cls = self.UIClassMapping:Get(widget_name)
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local pc = GameplayStatics.GetPlayerController(self, 0)
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local widget = WidgetBlueprintLibrary.Create(self, cls, pc)
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self.widget_pool[widget_name] = widget
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return widget -- TODO 这里如果非单例widget，会被覆盖
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end
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function Hud:GetFirstCachedWidget(widget_name)
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return self.widget_pool[widget_name]
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end
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function Hud:CreateAndShowWidget(widget_name, args)
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if not self.layer then
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table.insert(self.suspend_show_requests, {widget_name, args})
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return
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end
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local widget = self:GetOrCreateWidget(widget_name)
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if not widget then return end
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self.layer:ShowWidget(widget, args)
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end
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function Hud:CloseWidget(widget)
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self.layer:CloseWidget(widget)
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end
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function Hud:HideWidgetByName(widget_name)
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self.layer:HideWidget(self.widget_pool[widget_name])
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end
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return Class(nil, nil, Hud)
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