打开模型时卸载现有模型

ArchitectureColoredPainting/RendererWidget.ui

@@ -84,10 +84,26 @@
     </layout>
    </item>
    <item>
-    <layout class="QHBoxLayout" name="horizontalLayout" stretch="1,0">
+    <layout class="QHBoxLayout" name="horizontalLayout" stretch="0,1,0">
      <property name="sizeConstraint">
       <enum>QLayout::SetDefaultConstraint</enum>
      </property>
+     <item>
+      <widget class="QListWidget" name="textureListWidget">
+       <property name="sizePolicy">
+        <sizepolicy hsizetype="Fixed" vsizetype="Expanding">
+         <horstretch>0</horstretch>
+         <verstretch>0</verstretch>
+        </sizepolicy>
+       </property>
+       <property name="maximumSize">
+        <size>
+         <width>0</width>
+         <height>16777215</height>
+        </size>
+       </property>
+      </widget>
+     </item>
      <item>
       <widget class="Renderer::RendererGLWidget" name="openGLWidget">
        <property name="sizePolicy">

ArchitectureColoredPainting/src/Renderer/Mesh.h

@@ -18,7 +18,7 @@ namespace Renderer
 		glm::vec3 Position;
 		glm::vec3 Normal;
 		glm::vec2 TexCoords;
-		Vertex(const aiVector3D& position, const aiVector3D& Normal, const aiVector3D& TexCoords);
+		Vertex(const aiVector3D& position, const aiVector3D& normal, const aiVector3D& texCoords);
 	};
 
 	struct Texture

ArchitectureColoredPainting/src/Renderer/Model.cpp

@@ -32,14 +32,12 @@ Model::Model(QOpenGLContext* context, QOpenGLShaderProgram* shaderProgram,
 }
 
 void Model::draw() {
-	//shaderProgram->bind();
 	for (auto& mesh : meshes) {
 		mesh->draw();
 	}
 }
 
 void Model::drawShadow() {
-	//shaderProgram->bind();
 	for (auto& mesh : meshes) {
 		mesh->drawShadow();
 	}
@@ -55,7 +53,7 @@ void Renderer::Model::loadModel(QString path)
 	const aiScene* scene = importer.ReadFile(modelFile.absoluteFilePath().toUtf8(), aiProcess_Triangulate);
 	if (!scene || scene->mFlags & AI_SCENE_FLAGS_INCOMPLETE || !scene->mRootNode)
 	{
-		qCritical() << "ERROR::ASSIMP::" << importer.GetErrorString() << endl;
+		qCritical() << "ERROR::ASSIMP::" << importer.GetErrorString();
 		return;
 	}
 	qDebug() << modelFile.absoluteFilePath() << "Loaded Successfully";
@@ -63,9 +61,11 @@ void Renderer::Model::loadModel(QString path)
 	qDebug() << "NumMaterials: " << scene->mNumMaterials;
 	qDebug() << "NumTextures: " << scene->mNumTextures;
 
+	unloadModel();
+
+
 	if (QFile paintingConfigFile(directory.filePath(name + ".txt")); paintingConfigFile.open(QFile::ReadOnly | QIODevice::Text))
 	{
-		paintingMap.clear();
 		QTextStream stream(&paintingConfigFile);
 		while (!stream.atEnd())
 		{
@@ -82,23 +82,36 @@ void Renderer::Model::loadModel(QString path)
 		qWarning() << "Painting Config Not Found!";
 	}
 	
+
+	aiMatrix4x4 transform;
+	aiMatrix4x4::Scaling(aiVector3D(1 / 0.008), transform);
+	processNode(scene->mRootNode, scene, transform * scene->mRootNode->mTransformation);
+	AABB.clear();
+	AABB.emplace_back(minX, minY, minZ);
+	AABB.emplace_back(minX, minY, maxZ);
+	AABB.emplace_back(minX, maxY, minZ);
+	AABB.emplace_back(minX, maxY, maxZ);
+	AABB.emplace_back(maxX, minY, minZ);
+	AABB.emplace_back(maxX, minY, maxZ);
+	AABB.emplace_back(maxX, maxY, minZ);
+	AABB.emplace_back(maxX, maxY, maxZ);
+}
+
+void Renderer::Model::unloadModel()
+{
+	paintingMap.clear();
+	for(auto& i: paintingLoaded)
+		vtManager->deleteVirtualTexture(i.second);
+	paintingLoaded.clear();
+	texturesLoaded.clear();
+	meshes.clear();
+
 	minX = std::numeric_limits<float>::max();
 	maxX = std::numeric_limits<float>::min();
 	minY = std::numeric_limits<float>::max();
 	maxY = std::numeric_limits<float>::min();
 	minZ = std::numeric_limits<float>::max();
 	maxZ = std::numeric_limits<float>::min();
-	aiMatrix4x4 transform;
-	aiMatrix4x4::Scaling(aiVector3D(1 / 0.008), transform);
-	processNode(scene->mRootNode, scene, transform * scene->mRootNode->mTransformation);
-	AABB.push_back(QVector3D(minX, minY, minZ));
-	AABB.push_back(QVector3D(minX, minY, maxZ));
-	AABB.push_back(QVector3D(minX, maxY, minZ));
-	AABB.push_back(QVector3D(minX, maxY, maxZ));
-	AABB.push_back(QVector3D(maxX, minY, minZ));
-	AABB.push_back(QVector3D(maxX, minY, maxZ));
-	AABB.push_back(QVector3D(maxX, maxY, minZ));
-	AABB.push_back(QVector3D(maxX, maxY, maxZ));
 }
 
 void Model::processNode(aiNode* node, const aiScene* scene, aiMatrix4x4 mat4)

ArchitectureColoredPainting/src/Renderer/Model.h

@@ -15,6 +15,7 @@ namespace Renderer
 		void draw();
 		void drawShadow();
 		void loadModel(QString path);
+		void unloadModel();
 		Model(QOpenGLContext* context, QOpenGLShaderProgram* shaderProgram, QOpenGLShaderProgram* paintingProgram, QOpenGLShaderProgram* shadowProgram, VirtualTextureManager* vtManager);
 	private:
 		QOpenGLContext* context = nullptr;
@@ -25,8 +26,8 @@ namespace Renderer
 		VirtualTextureManager* vtManager = nullptr;
 
 		/**
-		 * @param key BaseColor路径
+		 * @brief key BaseColor路径 \n
-		 * @param value json路径, 纹理坐标
+		 *        value json路径, 纹理坐标
 		 */
 		std::unordered_map<std::string, std::tuple<std::string, glm::vec2, glm::vec2>> paintingMap; 
 		std::unordered_map<std::string, GLuint> paintingLoaded;

ArchitectureColoredPainting/src/Renderer/RendererWidget.h

@@ -13,6 +13,7 @@ namespace Renderer
 		~RendererWidget();
 	public slots:
 		void currentTabChanged(int index);
+		
 	private:
 		Ui::RendererWidgetClass ui;
 	};

ArchitectureColoredPainting/src/Renderer/VirtualTextureManager.cpp

@@ -152,8 +152,26 @@ std::uint16_t Renderer::VirtualTextureManager::createVirtualTexture(Painting pai
 
 			}
 	}
+	if (const auto it = std::find_if(paintings.begin(), paintings.end(), [](const PaintingHandle& i) { return i.baseColor == 0; });
+		it != paintings.end())
+	{
+		*it = { baseColor, metallicRoughness, painting.buffers };
+		return it - paintings.begin() + 1;
+	}
+	else
+	{
 		paintings.emplace_back(baseColor, metallicRoughness, painting.buffers);
 		return paintings.size();
+	}
+
+}
+
+void Renderer::VirtualTextureManager::deleteVirtualTexture(std::uint16_t id)
+{
+	auto& painting = getPaintingHandle(id);
+	glMain->DeleteTextures(2, (GLuint*)&painting);
+	painting.baseColor = 0;
+	painting.metallicRoughness = 0;
 }
 
 Renderer::PaintingHandle& Renderer::VirtualTextureManager::getPaintingHandle(std::uint16_t id)

ArchitectureColoredPainting/src/Renderer/VirtualTextureManager.h

@@ -24,11 +24,12 @@ namespace Renderer
 		VirtualTextureManager(GladGLContext* glMain);
 
 		/**
-		 * @brief
+		 * @brief 创建彩绘虚拟纹理
-		 * @param painting
+		 * @param painting 彩绘
 		 * @return 虚拟纹理id
 		 */
 		std::uint16_t createVirtualTexture(Painting painting);
+		void deleteVirtualTexture(std::uint16_t id);
 		PaintingHandle& getPaintingHandle(std::uint16_t id);
 		void tryUpdatePages(const std::vector<glm::u16vec2>& pageIds);