{"id":5020,"date":"2016-05-31T06:54:45","date_gmt":"2016-05-31T06:54:45","guid":{"rendered":"http:\/\/anthroponaute.fr\/blog-informatique\/?p=5020"},"modified":"2016-05-31T07:02:34","modified_gmt":"2016-05-31T07:02:34","slug":"une-classe-guiwidget-pour-gerer-les-objets-graphiques","status":"publish","type":"post","link":"https:\/\/www.la-porte-des-nebuleuses.net\/blog-informatique\/?p=5020","title":{"rendered":"Une classe GUIWidget pour g\u00e9rer les objets graphiques"},"content":{"rendered":"

\"Morrowind_UI\"<\/a><\/p>\n

Intro :<\/strong><\/p>\n

Dans un jeu vid\u00e9o, nous avons besoin de cr\u00e9er des interfaces graphiques<\/strong> afin que le joueur puisse communiquer ou s\u00e9lectionner<\/strong> des items, cliquer sur des boutons, d\u00e9placer une armure, etc…<\/p>\n

Pr\u00e9requis :<\/strong><\/p>\n

– Savoir initialiser DirectX 10<\/em><\/p>\n

– Savoir lire du C++<\/em><\/p>\n

– Conna\u00eetre la classe Sprite2D<\/em><\/p>\n

Contenu :<\/strong><\/p>\n

Voici le fichier GUIWidget.h\u00a0 :<\/p>\n

\r\n#ifndef GUI_WIDGET_H\r\n#define GUI_WIDGET_H\r\n\r\n#include <iostream>\r\n#include <vector>\r\n\r\n#include <d3dx10math.h>\r\n#include "DataParameters.h"\r\n\r\nclass Sprite2D;\r\n\r\ntypedef DataParameters GUIParameters; \r\n\r\nstruct AABB\r\n{\r\n\u00a0\u00a0 \u00a0unsigned int x;\r\n\u00a0\u00a0 \u00a0unsigned int y;\r\n\u00a0\u00a0 \u00a0unsigned int w;\r\n\u00a0\u00a0 \u00a0unsigned int h;\r\n};\r\n\r\nclass GUIEventListener\r\n{\r\npublic:\r\n\u00a0\u00a0 \u00a0GUIEventListener() {}\r\n\u00a0\u00a0 \u00a0virtual ~GUIEventListener() {}\r\n\r\n\u00a0\u00a0 \u00a0virtual void OnGUIEvent(GUIParameters& param) = 0;\r\n};\r\n\r\nclass GUIWidget\r\n{\r\npublic:\r\n\u00a0\u00a0 \u00a0GUIWidget(const std::string& sName);\r\n\u00a0\u00a0 \u00a0virtual ~GUIWidget();\r\n\r\n\u00a0\u00a0 \u00a0virtual void Update(float fTimeSinceLastFrame);\r\n\r\n\u00a0\u00a0 \u00a0D3DXVECTOR2 GetPosition();\r\n\u00a0\u00a0 \u00a0virtual void SetPosition(unsigned int x, unsigned int\u00a0 y);\r\n\u00a0\u00a0 \u00a0void SetRelativePosition(unsigned int\u00a0 x, unsigned int\u00a0 y);\r\n\r\n\u00a0\u00a0 \u00a0bool IsCollidingWithMousePointer(unsigned int x, unsigned int y);\r\n\r\n\u00a0\u00a0 \u00a0void SetVisible(bool bVisible);\r\n\u00a0\u00a0 \u00a0bool IsVisible();\r\n\r\n\u00a0\u00a0 \u00a0void AddEventListener(GUIEventListener* pEventListener);\r\n\r\n\u00a0\u00a0 \u00a0virtual void SetSize(unsigned int iWidth, unsigned int iHeight);\r\n\u00a0\u00a0 \u00a0void GetSize(unsigned int& iWidth, unsigned int& iHeight);\r\n\r\n\u00a0\u00a0 \u00a0std::string GetName();\r\n\r\n\u00a0\u00a0 \u00a0void AddChild(GUIWidget* pChild);\r\n\u00a0\u00a0 \u00a0void SetParent(GUIWidget* pParent);\r\n\r\n\u00a0\u00a0 \u00a0bool HasParent();\r\n\r\n\u00a0\u00a0 \u00a0void SetCanBeOverlaped(bool bCanBeOverlaped);\r\n\u00a0\u00a0 \u00a0bool CanOverlap();\r\n\r\n\u00a0\u00a0 \u00a0void GetChildren(std::map<std::string, GUIWidget*>& children);\r\n\u00a0\u00a0 \u00a0GUIWidget* GetParent();\r\n\r\n\u00a0\u00a0 \u00a0bool HasChildren();\r\n\r\n\u00a0\u00a0 \u00a0virtual void SetActive(bool bActive);\r\n\u00a0\u00a0 \u00a0bool IsActive();\r\n\r\n\u00a0\u00a0 \u00a0bool IsChildrenLocked();\r\n\u00a0\u00a0 \u00a0void SetChildrenLocked(bool bActive);\r\n\r\nprotected:\r\n\u00a0\u00a0 \u00a0std::vector<GUIEventListener*> m_eventListeners;\r\n\r\n\u00a0\u00a0 \u00a0void SendEventToListeners(GUIParameters& param);\r\n\r\nprivate:\r\n\u00a0\u00a0 \u00a0AABB m_aabox;\r\n\r\n\u00a0\u00a0 \u00a0bool m_bVisible;\r\n\r\n\u00a0\u00a0 \u00a0unsigned int m_iPosX;\r\n\u00a0\u00a0 \u00a0unsigned int m_iPosY;\r\n\r\n\u00a0\u00a0 \u00a0std::string m_sName;\r\n\r\n\u00a0\u00a0 \u00a0GUIWidget* m_pParent;\r\n\r\n\u00a0\u00a0 \u00a0std::map<std::string, GUIWidget*> m_children;\r\n\r\n\u00a0\u00a0 \u00a0bool m_bCanBeOverlaped;\r\n\u00a0\u00a0 \u00a0bool m_bActive;\r\n\u00a0\u00a0 \u00a0bool m_bIsChildrenLocked;\r\n};\r\n\r\n#endif\r\n<\/pre>\n
 <\/p>\n
Voici le fichier GUIWidget.cpp :<\/p>\n
\r\n#include "GUIWidget.h"\r\n\r\n#include "Sprite2D.h"\r\n#include "Defines.h"\r\n\r\n#include "GUIManager.h"\r\n\r\n#include "System.h"\r\n#include "InputManager.h"\r\n#include "GUIManager.h"\r\n\r\nGUIWidget::GUIWidget(const std::string& sName) :\r\nm_iPosX(0),\r\nm_iPosY(0),\r\nm_sName(sName),\r\nm_pParent(nullptr),\r\nm_bCanBeOverlaped(true),\r\nm_bVisible(true),\r\nm_bActive(true),\r\nm_bIsChildrenLocked(false)\r\n{\r\n\u00a0\u00a0 \u00a0ZeroMemory(&m_aabox, sizeof(AABB));\r\n}\r\n\r\nGUIWidget::~GUIWidget()\r\n{\r\n}\r\n\r\nvoid GUIWidget::Update(float fTimeSinceLastFrame)\r\n{\r\n}\r\n\r\nvoid GUIWidget::SetCanBeOverlaped(bool bCanBeOverlaped)\r\n{\r\n\u00a0\u00a0 \u00a0m_bCanBeOverlaped = bCanBeOverlaped;\r\n\r\n\u00a0\u00a0 \u00a0if (HasChildren())\r\n\u00a0\u00a0 \u00a0{\r\n\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0for (auto it = m_children.begin(); it != m_children.end(); it++)\r\n\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0{\r\n\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0GUIWidget* pChild = it->second;\r\n\r\n\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0pChild->SetCanBeOverlaped(bCanBeOverlaped);\r\n\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0}\r\n\u00a0\u00a0 \u00a0}\r\n}\r\n\r\nbool GUIWidget::CanOverlap()\r\n{\r\n\u00a0\u00a0 \u00a0return m_bCanBeOverlaped;\r\n}\r\n\r\nstd::string GUIWidget::GetName()\r\n{\r\n\u00a0\u00a0 \u00a0return m_sName;\r\n}\r\n\r\nD3DXVECTOR2 GUIWidget::GetPosition()\r\n{\r\n\u00a0\u00a0 \u00a0return D3DXVECTOR2(m_iPosX, m_iPosY);\r\n}\r\n\r\nvoid GUIWidget::SetPosition(unsigned int x, unsigned int\u00a0 y)\r\n{\r\n\u00a0\u00a0 \u00a0m_iPosX = x;\r\n\u00a0\u00a0 \u00a0m_iPosY = y;\r\n\r\n\u00a0\u00a0 \u00a0m_aabox.x = x;\r\n\u00a0\u00a0 \u00a0m_aabox.y = y;\r\n}\r\n\r\nbool GUIWidget::IsCollidingWithMousePointer(unsigned int x, unsigned int\u00a0 y)\r\n{\r\n\u00a0\u00a0 \u00a0return (x >= m_aabox.x) && (x < (m_aabox.x + m_aabox.w))\r\n\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0&& (y >= m_aabox.y) && (y < (m_aabox.y + m_aabox.h));\r\n}\r\n\r\nvoid GUIWidget::SetVisible(bool bVisible)\r\n{\r\n\u00a0\u00a0 \u00a0m_bVisible = bVisible;\r\n\r\n\u00a0\u00a0 \u00a0if (HasChildren())\r\n\u00a0\u00a0 \u00a0{\r\n\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0for (auto it = m_children.begin(); it != m_children.end(); it++)\r\n\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0{\r\n\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0GUIWidget* pChild = it->second;\r\n\r\n\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0pChild->SetVisible(bVisible);\r\n\r\n\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0if (!bVisible)\r\n\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0{\r\n\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0SetActive(false);\r\n\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0}\r\n\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0}\r\n\u00a0\u00a0 \u00a0}\r\n}\r\n\r\nbool GUIWidget::IsVisible()\r\n{\r\n\u00a0\u00a0 \u00a0return m_bVisible;\r\n}\r\n\r\nvoid GUIWidget::AddEventListener(GUIEventListener* pEventListener)\r\n{\r\n\u00a0\u00a0 \u00a0m_eventListeners.push_back(pEventListener);\r\n}\r\n\r\nvoid GUIWidget::SendEventToListeners(GUIParameters& param)\r\n{\r\n\u00a0\u00a0 \u00a0for (unsigned int i = 0; i < m_eventListeners.size(); i++)\r\n\u00a0\u00a0 \u00a0{\r\n\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0GUIEventListener* pEventListener = m_eventListeners[i];\r\n\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0pEventListener->OnGUIEvent(param);\r\n\u00a0\u00a0 \u00a0}\r\n}\r\n\r\nvoid GUIWidget::SetSize(unsigned int iWidth, unsigned int iHeight)\r\n{\r\n\u00a0\u00a0 \u00a0m_aabox.w = iWidth;\r\n\u00a0\u00a0 \u00a0m_aabox.h = iHeight;\r\n}\r\n\r\nvoid GUIWidget::GetSize(unsigned int& iWidth, unsigned int& iHeight)\r\n{\r\n\u00a0\u00a0 \u00a0iWidth = m_aabox.w;\r\n\u00a0\u00a0 \u00a0iHeight = m_aabox.h;\r\n}\r\n\r\nvoid GUIWidget::AddChild(GUIWidget* pChild)\r\n{\r\n\u00a0\u00a0 \u00a0pChild->SetParent(this);\r\n\r\n\u00a0\u00a0 \u00a0m_children[pChild->GetName()] = pChild;\r\n}\r\n\r\nvoid GUIWidget::SetParent(GUIWidget* pParent)\r\n{\r\n\u00a0\u00a0 \u00a0m_pParent = pParent;\r\n}\r\n\r\nvoid GUIWidget::GetChildren(std::map<std::string, GUIWidget*>& children)\r\n{\r\n\u00a0\u00a0 \u00a0children = m_children;\r\n}\r\n\r\nGUIWidget* GUIWidget::GetParent()\r\n{\r\n\u00a0\u00a0 \u00a0return m_pParent;\r\n}\r\n\r\nbool GUIWidget::HasParent()\r\n{\r\n\u00a0\u00a0 \u00a0return m_pParent != nullptr;\r\n}\r\n\r\nvoid GUIWidget::SetRelativePosition(unsigned int\u00a0 x, unsigned int\u00a0 y)\r\n{\r\n\u00a0\u00a0 \u00a0if (HasParent())\r\n\u00a0\u00a0 \u00a0{\r\n\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0GUIWidget* pParent = GetParent();\r\n\r\n\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0D3DXVECTOR2 pos = pParent->GetPosition();\r\n\r\n\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0SetPosition(pos.x + x, pos.y + y);\r\n\u00a0\u00a0 \u00a0}\r\n}\r\n\r\nbool GUIWidget::HasChildren()\r\n{\r\n\u00a0\u00a0 \u00a0return m_children.size() > 0;\r\n}\r\n\r\nvoid GUIWidget::SetActive(bool bActive)\r\n{\r\n\u00a0\u00a0 \u00a0if (HasChildren())\r\n\u00a0\u00a0 \u00a0{\r\n\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0for (auto it = m_children.begin(); it != m_children.end(); it++)\r\n\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0{\r\n\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0GUIWidget* pChild = it->second;\r\n\r\n\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0pChild->SetActive(bActive);\r\n\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0}\r\n\u00a0\u00a0 \u00a0}\r\n\r\n\u00a0\u00a0 \u00a0m_bActive = bActive;\r\n}\r\n\r\nbool GUIWidget::IsActive()\r\n{\r\n\u00a0\u00a0 \u00a0return m_bActive;\r\n}\r\n\r\nbool GUIWidget::IsChildrenLocked()\r\n{\r\n\u00a0\u00a0 \u00a0return m_bIsChildrenLocked;\r\n}\r\n\r\nvoid GUIWidget::SetChildrenLocked(bool bActive)\r\n{\r\n\u00a0\u00a0 \u00a0m_bIsChildrenLocked = bActive;\r\n}\r\n\r\n<\/pre>\n
R\u00e9sum\u00e9 :<\/strong><\/p>\n
Nous avons pr\u00e9senter la premi\u00e8re classe nomm\u00e9e GUIWidget qui servira de base \u00e0 toutes les autres classes graphiques (GUI).<\/p>\n","protected":false},"excerpt":{"rendered":"
Intro : Dans un jeu vid\u00e9o, nous avons besoin de cr\u00e9er des interfaces graphiques afin que le joueur puisse communiquer ou s\u00e9lectionner des items, cliquer sur des boutons, d\u00e9placer une armure, etc… Pr\u00e9requis : – Savoir initialiser DirectX 10 – Savoir lire du C++ – Conna\u00eetre la classe Sprite2D Contenu : Voici le fichier GUIWidget.h\u00a0 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[17],"tags":[],"_links":{"self":[{"href":"https:\/\/www.la-porte-des-nebuleuses.net\/blog-informatique\/index.php?rest_route=\/wp\/v2\/posts\/5020"}],"collection":[{"href":"https:\/\/www.la-porte-des-nebuleuses.net\/blog-informatique\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.la-porte-des-nebuleuses.net\/blog-informatique\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.la-porte-des-nebuleuses.net\/blog-informatique\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.la-porte-des-nebuleuses.net\/blog-informatique\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=5020"}],"version-history":[{"count":16,"href":"https:\/\/www.la-porte-des-nebuleuses.net\/blog-informatique\/index.php?rest_route=\/wp\/v2\/posts\/5020\/revisions"}],"predecessor-version":[{"id":5037,"href":"https:\/\/www.la-porte-des-nebuleuses.net\/blog-informatique\/index.php?rest_route=\/wp\/v2\/posts\/5020\/revisions\/5037"}],"wp:attachment":[{"href":"https:\/\/www.la-porte-des-nebuleuses.net\/blog-informatique\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=5020"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.la-porte-des-nebuleuses.net\/blog-informatique\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=5020"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.la-porte-des-nebuleuses.net\/blog-informatique\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=5020"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}