Added 16bits demo
Former-commit-id: 2ee4535da2d068366f00be9aeff93d2205b40dcb
This commit is contained in:
Lynix
parent
a3a1538d9b
commit
0603590549
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@ -0,0 +1,45 @@
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kind "ConsoleApp"
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files "main.cpp"
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if (_OPTIONS["united"]) then
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configuration "DebugStatic"
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links "NazaraEngine-s-d"
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configuration "ReleaseStatic"
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links "NazaraEngine-s"
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configuration "DebugDLL"
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links "NazaraEngine-d"
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configuration "ReleaseDLL"
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links "NazaraEngine"
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else
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configuration "DebugStatic"
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links "Nazara3D-s-d"
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links "Nazara2D-s-d"
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links "NazaraRenderer-s-d"
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links "NazaraUtility-s-d"
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links "NazaraCore-s-d"
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configuration "ReleaseStatic"
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links "Nazara3D-s"
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links "Nazara2D-s"
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links "NazaraRenderer-s"
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links "NazaraUtility-s"
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links "NazaraCore-s"
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configuration "DebugDLL"
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links "Nazara3D-d"
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links "Nazara2D-d"
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links "NazaraRenderer-d"
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links "NazaraUtility-d"
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links "NazaraCore-d"
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configuration "ReleaseDLL"
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links "Nazara3D"
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links "Nazara2D"
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links "NazaraRenderer"
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links "NazaraUtility"
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links "NazaraCore"
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end
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@ -0,0 +1,261 @@
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// Cette démo suppose que vous avez déjà lu les commentaires de "FirstScene"
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#include <Nazara/3D.hpp>
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#include <Nazara/Core/Clock.hpp>
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#include <Nazara/Renderer.hpp>
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#include <Nazara/Utility.hpp>
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#include <iostream>
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int main()
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{
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NzInitializer<Nz3D> nazara;
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if (!nazara)
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{
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std::cout << "Failed to initialize Nazara, see NazaraLog.log for further informations" << std::endl;
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std::getchar();
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return EXIT_FAILURE;
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}
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// Cette démo s'appuie sur l'utilisation des RenderTexture pour simuler le 16bits
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if (!NzRenderTexture::IsSupported())
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{
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std::cout << "Render textures are not supported by your system" << std::endl;
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std::getchar();
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return EXIT_FAILURE;
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}
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NzScene scene;
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NzModel drfreak;
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if (!drfreak.LoadFromFile("resources/drfreak.md2"))
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{
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std::cout << "Failed to load Dr. Freak" << std::endl;
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std::getchar();
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return EXIT_FAILURE;
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}
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std::vector<NzModel> models(100, drfreak);
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for (unsigned int i = 0; i < models.size(); ++i)
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{
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models[i].SetPosition(i/10 * 40, 0.f, i%10 * 40);
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models[i].SetParent(scene);
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}
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NzEulerAnglesf camAngles(-45.f, 180.f, 0.f);
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NzCamera camera;
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camera.SetPosition(200.f, 50.f, 200);
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camera.SetRotation(camAngles);
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camera.SetParent(scene);
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camera.SetZFar(500.f);
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camera.SetZNear(1.f);
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NzLight spotLight(nzLightType_Spot);
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spotLight.SetParent(camera);
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// Comme dans "FirstScene", notre fenêtre aura une résolution de 75% de celle du bureau
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NzVideoMode mode = NzVideoMode::GetDesktopMode();
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mode.width *= 3.f/4.f;
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mode.height *= 3.f/4.f;
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mode.width = 1280;
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mode.height = 720;
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NzString windowTitle = "Nazara Demo - 16bits rendering";
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NzRenderWindow window(mode, windowTitle);
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if (!window.IsValid())
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{
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std::cout << "Failed to create render window" << std::endl;
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std::getchar();
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return EXIT_FAILURE;
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}
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window.SetCursor(nzWindowCursor_None);
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// Création d'une RenderTexture (RTT)
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NzRenderTexture renderTexture;
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// On choisit une dimension cinq fois plus petite que celle de la fenêtre (pour un effet pixelisé)
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unsigned int width = window.GetWidth()/5;
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unsigned int height = window.GetHeight()/5;
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// Le dernier paramètre signifie qu'on verrouille la RenderTexture pour lui appliquer d'autres opérations immédiatement
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if (!renderTexture.Create(width, height, true))
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{
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std::cout << "Failed to create render texture" << std::endl;
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std::getchar();
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return EXIT_FAILURE;
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}
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// Ensuite on attache un depth buffer (nécessaire pour le rendu)
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if (!renderTexture.AttachBuffer(nzAttachmentPoint_Depth, 0, nzPixelFormat_Depth24))
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{
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std::cout << "Failed to attach depth buffer to render texture" << std::endl;
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std::getchar();
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return EXIT_FAILURE;
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}
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// La texture qui va recevoir le rendu
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NzTexture targetTexture;
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// On va créer une texture 16bits pour limiter le nombre de couleurs
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if (!targetTexture.Create(nzImageType_2D, nzPixelFormat_RGBA4, width, height))
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{
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std::cout << "Failed to create render texture target" << std::endl;
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std::getchar();
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return EXIT_FAILURE;
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}
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// On attache ensuite la texture au RTT
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if (!renderTexture.AttachTexture(nzAttachmentPoint_Color, 0, &targetTexture))
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{
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std::cout << "Failed to attach texture target to render texture" << std::endl;
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std::getchar();
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return EXIT_FAILURE;
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}
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// Ensuite on vérifie que le RTT est complet (Que la carte graphique l'accepte)
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// Cela peut arriver s'il n'y a pas de point d'attache, ou que le format d'une texture n'est pas supporté pour le rendu
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if (!renderTexture.IsComplete())
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{
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std::cout << "Failed to build RTT" << std::endl;
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std::getchar();
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return EXIT_FAILURE;
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}
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// On a terminé avec la RenderTexture, on oublie surtout pas de la déverouiller
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// (J'ai passé une heure à essayer de comprendre pourquoi la démo ne fonctionnait pas à cause de ça)
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renderTexture.Unlock();
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// On attache la caméra au RTT (Le rendu se fera sur la texture)
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camera.SetTarget(renderTexture);
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// Pour avoir un effet de pixelisation au lieu d'un effet de flou, on désactive le filtrage
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NzTextureSampler::SetDefaultFilterMode(nzSamplerFilter_Nearest);
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NzClock secondClock, updateClock;
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unsigned int fps = 0;
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while (window.IsOpen())
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{
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NzEvent event;
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while (window.PollEvent(&event))
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{
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switch (event.type)
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{
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case nzEventType_MouseMoved:
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{
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float sensitivity = 0.8f;
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camAngles.yaw = NzNormalizeAngle(camAngles.yaw - event.mouseMove.deltaX*sensitivity);
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camAngles.pitch = NzClamp(camAngles.pitch - event.mouseMove.deltaY*sensitivity, -89.f, 89.f);
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camera.SetRotation(camAngles);
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NzMouse::SetPosition(window.GetWidth()/2, window.GetHeight()/2, window);
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break;
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}
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case nzEventType_Quit:
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window.Close();
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break;
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case nzEventType_KeyPressed:
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if (event.key.code == NzKeyboard::Key::Escape)
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window.Close();
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break;
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default:
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break;
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}
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}
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if (updateClock.GetMilliseconds() >= 1000/60)
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{
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float cameraSpeed = 300.f;
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float elapsedTime = updateClock.GetSeconds();
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if (NzKeyboard::IsKeyPressed(NzKeyboard::Space))
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cameraSpeed *= 2.f;
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if (NzKeyboard::IsKeyPressed(NzKeyboard::Up) || NzKeyboard::IsKeyPressed(NzKeyboard::Z))
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camera.Move(NzVector3f::Forward() * cameraSpeed * elapsedTime);
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if (NzKeyboard::IsKeyPressed(NzKeyboard::Down) || NzKeyboard::IsKeyPressed(NzKeyboard::S))
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camera.Move(NzVector3f::Backward() * cameraSpeed * elapsedTime);
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if (NzKeyboard::IsKeyPressed(NzKeyboard::Left) || NzKeyboard::IsKeyPressed(NzKeyboard::Q))
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camera.Move(NzVector3f::Left() * cameraSpeed * elapsedTime);
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if (NzKeyboard::IsKeyPressed(NzKeyboard::Right) || NzKeyboard::IsKeyPressed(NzKeyboard::D))
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camera.Move(NzVector3f::Right() * cameraSpeed * elapsedTime);
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if (NzKeyboard::IsKeyPressed(NzKeyboard::LShift) || NzKeyboard::IsKeyPressed(NzKeyboard::RShift))
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camera.Move(NzVector3f::Up() * cameraSpeed * elapsedTime, nzCoordSys_Global);
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if (NzKeyboard::IsKeyPressed(NzKeyboard::LControl) || NzKeyboard::IsKeyPressed(NzKeyboard::RControl))
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camera.Move(NzVector3f::Down() * cameraSpeed * elapsedTime, nzCoordSys_Global);
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updateClock.Restart();
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}
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camera.Activate();
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scene.Update();
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scene.Cull();
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scene.UpdateVisible();
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scene.Draw();
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// Le rendu de la scène est fait, mais dans la texture
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// Il nous reste donc à afficher (manuellement) la texture sur l'écran à l'aide du Renderer
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// Ceci sera fait par le module 2D plus tard
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// Alerte rouge: Ce code utilise "DrawTexture" qui est une fonction utilitaire non-terminée et aux performances médiocres
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// Elle n'existe et n'est utilisée que pour ne pas complexifier la démo
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// Elle sera grandement remaniée prochainement
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// On active la fenêtre pour le rendu
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NzRenderer::SetTarget(&window);
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// On précise que la zone de rendu occupe tout l'écran, important car on mêle du rendu manuel et automatique (module 3D)
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NzRenderer::SetViewport(NzRectui(0,0,window.GetWidth(), window.GetHeight()));
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// On vide le depth-buffer (On pourrait tout aussi bien le désactiver)
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NzRenderer::Clear(nzRendererClear_Depth);
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// Et on appelle notre fonction satanique qui affichera la texture sur toute la surface de la fenêtre
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NzRenderer::SetTexture(0, &targetTexture);
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NzRenderer::DrawTexture(0, NzRectf(0.f, 0.f, window.GetWidth(), window.GetHeight()), NzVector2f(0.f, 0.f), NzVector2f(1.f, 1.f));
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window.Display();
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fps++;
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if (secondClock.GetMilliseconds() >= 1000)
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{
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unsigned int visibleNode = 0;
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for (NzModel& model : models)
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{
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if (model.IsVisible())
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visibleNode++;
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}
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window.SetTitle(windowTitle + " - " + NzString::Number(fps) + " FPS - " + NzString::Number(visibleNode) + " modèles visibles");
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fps = 0;
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secondClock.Restart();
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}
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}
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return EXIT_SUCCESS;
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}
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