Sdk: Add Console
Former-commit-id: c80d3c9dbbb0391fdb48a2710f5b5bf7468c050d
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Lynix
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// Copyright (C) 2015 Jérôme Leclercq
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// This file is part of the "Nazara Development Kit"
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// For conditions of distribution and use, see copyright notice in Prerequesites.hpp
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#pragma once
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#ifndef NDK_CONSOLE_HPP
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#define NDK_CONSOLE_HPP
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#include <Nazara/Graphics/Sprite.hpp>
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#include <Nazara/Graphics/TextSprite.hpp>
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#include <Nazara/Utility/Node.hpp>
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#include <Nazara/Utility/SimpleTextDrawer.hpp>
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#include <NDK/EntityOwner.hpp>
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namespace Nz
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{
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class LuaInstance;
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}
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namespace Ndk
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{
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class Entity;
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class NDK_API Console : public Nz::Node
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{
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public:
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Console(World& world, const Nz::Vector2f& size, Nz::LuaInstance& instance);
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Console(const Console& console) = delete;
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Console(Console&& console) = default;
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~Console() = default;
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void AddLine(const Nz::String& text, const Nz::Color& color = Nz::Color::White);
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inline const EntityHandle& GetBackground() const;
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inline unsigned int GetCharacterSize() const;
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inline const EntityHandle& GetHistory() const;
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inline const EntityHandle& GetInput() const;
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inline const Nz::Vector2f& GetSize() const;
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inline const Nz::FontRef& GetTextFont() const;
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inline bool IsVisible() const;
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void SendCharacter(char32_t character);
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void SetCharacterSize(unsigned int size);
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void SetSize(const Nz::Vector2f& size);
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void SetTextFont(Nz::FontRef font);
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void Show(bool show = true);
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Console& operator=(const Console& console) = delete;
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Console& operator=(Console&& console) = default;
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private:
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void AddLineInternal(const Nz::String& text, const Nz::Color& color = Nz::Color::White);
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void ExecuteInput();
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void Layout();
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void RefreshHistory();
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struct Line
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{
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Nz::Color color;
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Nz::String text;
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};
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std::vector<Line> m_historyLines;
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EntityOwner m_background;
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EntityOwner m_history;
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EntityOwner m_input;
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EntityOwner m_inputBackground;
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Nz::FontRef m_defaultFont;
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Nz::LuaInstance& m_instance;
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Nz::SpriteRef m_backgroundSprite;
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Nz::SpriteRef m_inputBackgroundSprite;
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Nz::SimpleTextDrawer m_historyDrawer;
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Nz::SimpleTextDrawer m_inputDrawer;
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Nz::TextSpriteRef m_historyTextSprite;
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Nz::TextSpriteRef m_inputTextSprite;
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Nz::Vector2f m_size;
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bool m_opened;
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unsigned int m_characterSize;
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unsigned int m_maxHistoryLines;
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};
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}
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#include <NDK/Console.inl>
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#endif // NDK_CONSOLE_HPP
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// Copyright (C) 2015 Jérôme Leclercq
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// This file is part of the "Nazara Development Kit"
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// For conditions of distribution and use, see copyright notice in Prerequesites.hpp
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#include <Nazara/Core/Error.hpp>
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#include "Console.hpp"
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namespace Ndk
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{
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inline const EntityHandle& Console::GetBackground() const
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{
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return m_background;
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}
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inline unsigned int Console::GetCharacterSize() const
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{
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return m_characterSize;
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}
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inline const EntityHandle& Console::GetHistory() const
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{
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return m_history;
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}
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inline const EntityHandle& Console::GetInput() const
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{
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return m_input;
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}
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inline const Nz::Vector2f& Console::GetSize() const
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{
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return m_size;
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}
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inline const Nz::FontRef& Console::GetTextFont() const
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{
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return m_defaultFont;
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}
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inline bool Console::IsVisible() const
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{
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return m_opened;
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}
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}
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@ -0,0 +1,219 @@
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// Copyright (C) 2015 Jérôme Leclercq
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// This file is part of the "Nazara Development Kit"
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// For conditions of distribution and use, see copyright notice in Prerequesites.hpp
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#include <NDK/Console.hpp>
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#include <Nazara/Core/Unicode.hpp>
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#include <Nazara/Lua/LuaInstance.hpp>
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#include <NDK/Components/GraphicsComponent.hpp>
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#include <NDK/Components/NodeComponent.hpp>
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#include <NDK/World.hpp>
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///TODO: For now is unable to display different color in the history, it needs a RichTextDrawer to do so
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namespace Ndk
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{
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namespace
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{
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const char s_inputPrefix[] = "> ";
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constexpr std::size_t s_inputPrefixSize = Nz::CountOf(s_inputPrefix) - 1;
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}
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Console::Console(World& world, const Nz::Vector2f& size, Nz::LuaInstance& instance) :
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m_defaultFont(Nz::Font::GetDefault()),
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m_instance(instance),
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m_size(size),
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m_opened(false),
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m_characterSize(24)
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{
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Nz::MaterialRef backgroundMaterial = Nz::Material::New();
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backgroundMaterial->Enable(Nz::RendererParameter_Blend, true);
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backgroundMaterial->Enable(Nz::RendererParameter_DepthBuffer, false);
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backgroundMaterial->SetDstBlend(Nz::BlendFunc_InvSrcAlpha);
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backgroundMaterial->SetSrcBlend(Nz::BlendFunc_SrcAlpha);
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// History bakckground
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m_historyBackgroundSprite = Nz::Sprite::New();
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m_historyBackgroundSprite->SetColor(Nz::Color(80, 80, 160, 128));
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m_historyBackgroundSprite->SetMaterial(backgroundMaterial);
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m_historyBackground = world.CreateEntity();
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m_historyBackground->Enable(m_opened);
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m_historyBackground->AddComponent<Ndk::GraphicsComponent>().Attach(m_historyBackgroundSprite, -1);
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m_historyBackground->AddComponent<Ndk::NodeComponent>().SetParent(this);
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// History
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m_historyDrawer.SetCharacterSize(m_characterSize);
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m_historyDrawer.SetColor(Nz::Color(200, 200, 200));
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m_historyDrawer.SetFont(m_defaultFont);
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m_historyTextSprite = Nz::TextSprite::New();
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m_history = world.CreateEntity();
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m_history->Enable(m_opened);
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m_history->AddComponent<Ndk::GraphicsComponent>().Attach(m_historyTextSprite);
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Ndk::NodeComponent& historyNode = m_history->AddComponent<Ndk::NodeComponent>();
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historyNode.SetParent(this);
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// Input background
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m_inputBackgroundSprite = Nz::Sprite::New();
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m_inputBackgroundSprite->SetColor(Nz::Color(255, 255, 255, 200));
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m_inputBackgroundSprite->SetMaterial(backgroundMaterial);
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m_inputBackground = world.CreateEntity();
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m_inputBackground->Enable(m_opened);
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m_inputBackground->AddComponent<Ndk::GraphicsComponent>().Attach(m_inputBackgroundSprite, -1);
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m_inputBackground->AddComponent<Ndk::NodeComponent>().SetParent(this);
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// Input
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m_inputDrawer.SetColor(Nz::Color::Black);
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m_inputDrawer.SetCharacterSize(m_characterSize);
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m_inputDrawer.SetFont(m_defaultFont);
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m_inputDrawer.SetText(s_inputPrefix);
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m_inputTextSprite = Nz::TextSprite::New();
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m_inputTextSprite->Update(m_inputDrawer);
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m_input = world.CreateEntity();
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m_input->Enable(m_opened);
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m_input->AddComponent<Ndk::GraphicsComponent>().Attach(m_inputTextSprite);
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Ndk::NodeComponent& inputNode = m_input->AddComponent<Ndk::NodeComponent>();
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inputNode.SetParent(this);
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Layout();
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}
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void Console::AddLine(const Nz::String& text, const Nz::Color& color)
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{
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AddLineInternal(text, color);
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RefreshHistory();
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}
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void Console::SendCharacter(char32_t character)
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{
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switch (character)
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{
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case '\b':
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{
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Nz::String input = m_inputDrawer.GetText();
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if (input.GetLength() <= s_inputPrefixSize) // Prevent removal of the input prefix
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return; // Ignore if no user character is there
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input.Resize(-1, Nz::String::HandleUtf8);
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m_inputDrawer.SetText(input);
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break;
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}
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case '\r':
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case '\n':
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ExecuteInput();
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break;
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default:
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{
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if (Nz::Unicode::GetCategory(character) == Nz::Unicode::Category_Other_Control)
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return;
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m_inputDrawer.AppendText(Nz::String::Unicode(character));
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break;
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}
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}
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m_inputTextSprite->Update(m_inputDrawer);
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}
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void Console::SetCharacterSize(unsigned int size)
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{
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m_characterSize = size;
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Layout();
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}
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void Console::SetSize(const Nz::Vector2f& size)
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{
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m_size = size;
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m_historyBackgroundSprite->SetSize(m_size);
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Layout();
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}
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void Console::SetTextFont(Nz::FontRef font)
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{
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Layout();
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}
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void Console::Show(bool show)
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{
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if (m_opened != show)
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{
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m_historyBackground->Enable(show);
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m_history->Enable(show);
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m_input->Enable(show);
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m_inputBackground->Enable(show);
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m_opened = show;
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}
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}
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void Console::AddLineInternal(const Nz::String& text, const Nz::Color& color)
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{
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m_historyLines.emplace_back(Line{color, text});
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}
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void Console::ExecuteInput()
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{
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Nz::String input = m_inputDrawer.GetText().SubString(s_inputPrefixSize);
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m_inputDrawer.SetText(s_inputPrefix);
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AddLineInternal(input);
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if (!m_instance.Execute(input))
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AddLineInternal(m_instance.GetLastError(), Nz::Color::Red);
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RefreshHistory();
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}
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void Console::Layout()
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{
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unsigned int lineHeight = m_defaultFont->GetSizeInfo(m_characterSize).lineHeight;
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Ndk::NodeComponent& inputNode = m_input->GetComponent<Ndk::NodeComponent>();
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inputNode.SetPosition(0.f, m_size.y - lineHeight - 5.f);
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float historyHeight = m_size.y - lineHeight - 5.f - 2.f;
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m_historyBackgroundSprite->SetSize(m_size.x, historyHeight);
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m_maxHistoryLines = static_cast<unsigned int>(std::ceil(historyHeight / lineHeight));
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Ndk::NodeComponent& historyNode = m_history->GetComponent<Ndk::NodeComponent>();
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historyNode.SetPosition(0.f, historyHeight - m_maxHistoryLines * lineHeight);
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Ndk::NodeComponent& inputBackgroundNode = m_inputBackground->GetComponent<Ndk::NodeComponent>();
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inputBackgroundNode.SetPosition(0.f, historyHeight + 2.f);
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m_inputBackgroundSprite->SetSize(m_size.x, m_size.y - historyHeight);
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}
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void Console::RefreshHistory()
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{
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m_historyDrawer.Clear();
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auto it = m_historyLines.end();
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if (m_historyLines.size() > m_maxHistoryLines)
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it -= m_maxHistoryLines;
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else
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it = m_historyLines.begin();
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for (unsigned int i = 0; i < m_maxHistoryLines; ++i)
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{
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if (m_maxHistoryLines - i <= m_historyLines.size() && it != m_historyLines.end())
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{
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m_historyDrawer.AppendText(it->text);
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++it;
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}
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m_historyDrawer.AppendText(Nz::String('\n'));
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}
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m_historyTextSprite->Update(m_historyDrawer);
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}
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}
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