91 lines
3.0 KiB
C++
91 lines
3.0 KiB
C++
//
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// Copyright (c) 2008-2021 the Urho3D project.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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//
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#include <Urho3D/Core/CoreEvents.h>
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#include <Urho3D/Core/ProcessUtils.h>
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#include <Urho3D/Input/Input.h>
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#include <Urho3D/UI/Font.h>
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#include <Urho3D/UI/Text.h>
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#include <Urho3D/UI/UI.h>
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#include "HelloWorld.h"
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#include <Urho3D/DebugNew.h>
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// Expands to this example's entry-point
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URHO3D_DEFINE_APPLICATION_MAIN(HelloWorld)
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HelloWorld::HelloWorld(Context* context) :
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Sample(context)
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{
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}
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void HelloWorld::Start()
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{
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// Execute base class startup
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Sample::Start();
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// Create "Hello World" Text
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CreateText();
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// Finally subscribe to the update event. Note that by subscribing events at this point we have already missed some events
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// like the ScreenMode event sent by the Graphics subsystem when opening the application window. To catch those as well we
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// could subscribe in the constructor instead.
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SubscribeToEvents();
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// Set the mouse mode to use in the sample
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Sample::InitMouseMode(MM_FREE);
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}
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void HelloWorld::CreateText()
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{
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auto* cache = GetSubsystem<ResourceCache>();
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// Construct new Text object
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SharedPtr<Text> helloText(new Text(context_));
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// Set String to display
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helloText->SetText("Hello World from Urho3D!");
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// Set font and text color
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helloText->SetFont(cache->GetResource<Font>("Fonts/Anonymous Pro.ttf"), 30);
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helloText->SetColor(Color(0.0f, 1.0f, 0.0f));
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// Align Text center-screen
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helloText->SetHorizontalAlignment(HA_CENTER);
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helloText->SetVerticalAlignment(VA_CENTER);
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// Add Text instance to the UI root element
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GetSubsystem<UI>()->GetRoot()->AddChild(helloText);
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}
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void HelloWorld::SubscribeToEvents()
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{
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// Subscribe HandleUpdate() function for processing update events
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SubscribeToEvent(E_UPDATE, URHO3D_HANDLER(HelloWorld, HandleUpdate));
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}
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void HelloWorld::HandleUpdate(StringHash eventType, VariantMap& eventData)
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{
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// Do nothing for now, could be extended to eg. animate the display
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}
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