实现彩绘纹理部分替换

ArchitectureColoredPainting/res/Shaders/painting.comp

@@ -1190,7 +1190,7 @@ void main()
 	//imageStore(gBaseColor, pixelLocation, vec4(uv,1,1));
 	//imageStore(gMetallicRoughness, pixelLocation, vec4(uv,1,1));
 	//return;
-	uv = vec2(1)-uv*2;
+	uv = uv*2-vec2(1);
 	//vec2 uv = imageLoad(gPaintingTexCoord, pixelLocation).rg;
 
 	vec3 debugBVH = vec3(0);

ArchitectureColoredPainting/src/Renderer/Mesh.h

@@ -2,23 +2,22 @@
 #include <QOpenGLFunctions_4_5_Core>
 #include <QString>
 #include <vector>
-#include <QVector2D>
-#include <QVector3D>
 #include <QOpenGLShaderProgram>
 #include <QOpenGLBuffer>
 #include <QOpenGLVertexArrayObject>
 #include <QOpenGLTexture>
 #include <QOpenGLWidget>
 #include <assimp/vector3.h>
+#include <glm/glm.hpp>
 #include "Drawable.h"
 
 namespace Renderer
 {
 	struct Vertex
 	{
-		QVector3D Position;
+		glm::vec3 Position;
-		QVector3D Normal;
+		glm::vec3 Normal;
-		QVector2D TexCoords;
+		glm::vec2 TexCoords;
 		Vertex(const aiVector3D& position, const aiVector3D& Normal, const aiVector3D& TexCoords);
 	};
 

ArchitectureColoredPainting/src/Renderer/Model.cpp

@@ -50,7 +50,7 @@ void Renderer::Model::loadModel(QString path)
 	directory = modelFile.dir();
 
 	Assimp::Importer importer;
-	const aiScene* scene = importer.ReadFile(modelFile.absoluteFilePath().toUtf8(), aiProcess_Triangulate | aiProcess_FlipUVs);
+	const aiScene* scene = importer.ReadFile(modelFile.absoluteFilePath().toUtf8(), aiProcess_Triangulate /*| aiProcess_FlipUVs*/);
 	if (!scene || scene->mFlags & AI_SCENE_FLAGS_INCOMPLETE || !scene->mRootNode)
 	{
 		qCritical() << "ERROR::ASSIMP::" << importer.GetErrorString() << endl;
@@ -117,12 +117,8 @@ void Model::processNode(aiNode* node, const aiScene* scene, aiMatrix4x4 mat4)
 
 std::unique_ptr<Drawable> Model::processMesh(aiMesh* mesh, const aiScene* scene, aiMatrix4x4 model)
 {
-	aiMaterial* material = scene->mMaterials[mesh->mMaterialIndex];
 	QMatrix4x4 modelQ((float*)&model);
 
-	aiString str;
-	material->GetTexture(aiTextureType_BASE_COLOR, 0, &str);
-
 	std::vector<Vertex> vertices;
 	for (unsigned int i = 0; i < mesh->mNumVertices; i++)
 	{
@@ -139,45 +135,59 @@ std::unique_ptr<Drawable> Model::processMesh(aiMesh* mesh, const aiScene* scene,
 			maxZ = std::max(maxZ, worldPos.z);
 		}
 	}
+
 	std::vector<unsigned int> indices;
 	for (auto face = mesh->mFaces; face < mesh->mFaces + mesh->mNumFaces; face++)
 		indices.insert(indices.end(), face->mIndices, face->mIndices + face->mNumIndices);
 
+	aiMaterial* material = scene->mMaterials[mesh->mMaterialIndex];
 
-	if (auto iter = paintingMap.find(std::string(str.C_Str())); paintingProgram != nullptr && iter != paintingMap.end())
+	if (auto iter = paintingMap.find([&] {
+		aiString str;
+		material->GetTexture(aiTextureType_BASE_COLOR, 0, &str);
+		return std::string(str.C_Str());
+	}()); paintingProgram != nullptr && iter != paintingMap.end())
 	{
+		qDebug() << iter->first.c_str() << "Replaced";
+
+		auto mesh = std::make_unique<PaintingMesh>(glFunc, paintingProgram, shadowProgram, modelQ);
+
 		auto& [paintingPath, leftBottom, rightTop] = iter->second;
-		qDebug() << str.C_Str() << "Replaced";
 
-		auto m_mesh = std::make_unique<PaintingMesh>(glFunc, paintingProgram, shadowProgram, modelQ);
+		for (auto& v : vertices)
-		m_mesh->vertices = vertices;
+		{
-		m_mesh->indices = indices;
+			//qDebug() << v.TexCoords.x << v.TexCoords.y;
+			v.TexCoords = (v.TexCoords - leftBottom) / (rightTop - leftBottom);
+			qDebug() << v.TexCoords.x << v.TexCoords.y;
+		}
 			
-		m_mesh->paintingId = loadPainting(paintingPath);
+		mesh->vertices = vertices;
-		auto& handle = vtManager->getPaintingHandle(m_mesh->paintingId);
+		mesh->indices = indices;
-		m_mesh->textureBasecolor = handle.baseColor;
+	
-		m_mesh->textureMetallicRoughness = handle.metallicRoughness;
+		mesh->paintingId = loadPainting(paintingPath);
-		m_mesh->setupMesh();
+		auto& handle = vtManager->getPaintingHandle(mesh->paintingId);
-		return m_mesh;
+		mesh->textureBasecolor = handle.baseColor;
+		mesh->textureMetallicRoughness = handle.metallicRoughness;
+		mesh->setupMesh();
+		return mesh;
 	}
 	else
 	{
-		auto m_mesh = std::make_unique<Mesh>(glFunc, shaderProgram, shadowProgram, modelQ);
+		auto mesh = std::make_unique<Mesh>(glFunc, shaderProgram, shadowProgram, modelQ);
-		m_mesh->vertices = vertices;
+		mesh->vertices = vertices;
-		m_mesh->indices = indices;
+		mesh->indices = indices;
 
-		// ´¦Àí²ÄÖÊ
+		if (!(mesh->textureBasecolor = loadMaterialTextures(material, aiTextureType_BASE_COLOR)))
-		if (!(m_mesh->textureBasecolor = loadMaterialTextures(material, aiTextureType_BASE_COLOR)))
 			qWarning() << "Basecolor Texture Loading Failed!";
-		if (!(m_mesh->textureMetallicRoughness = loadMaterialTextures(material, aiTextureType_METALNESS)))
+		if (!(mesh->textureMetallicRoughness = loadMaterialTextures(material, aiTextureType_METALNESS)))
 			qWarning() << "MetallicRoughness Texture Loading Failed!";
-		if (!(m_mesh->textureNormal = loadMaterialTextures(material, aiTextureType_NORMALS)))
+		if (!(mesh->textureNormal = loadMaterialTextures(material, aiTextureType_NORMALS)))
 			qWarning() << "Normal Texture Loading Failed!";
 
-		if (m_mesh->textureBasecolor && m_mesh->textureMetallicRoughness && m_mesh->textureNormal)
+		if (mesh->textureBasecolor && mesh->textureMetallicRoughness && mesh->textureNormal)
 		{
-			m_mesh->setupMesh();
+			mesh->setupMesh();
-			return m_mesh;
+			return mesh;
 		}
 		else
 			return nullptr;
@@ -208,7 +218,7 @@ GLuint Model::loadMaterialTextures(aiMaterial* mat, aiTextureType type)
 	texture.setWrapMode(QOpenGLTexture::DirectionS, QOpenGLTexture::Repeat);
 	texture.setWrapMode(QOpenGLTexture::DirectionT, QOpenGLTexture::Repeat);
 	texture.setMinMagFilters(QOpenGLTexture::LinearMipMapLinear, QOpenGLTexture::Linear);
-	texture.setData(data);
+	texture.setData(data.mirrored());
 	return texture.textureId();
 }
 

ArchitectureColoredPainting/src/Renderer/Model.h

@@ -24,6 +24,10 @@ namespace Renderer
 		QOpenGLShaderProgram* shadowProgram = nullptr;
 		VirtualTextureManager* vtManager = nullptr;
 
+		/**
+		 * @param key BaseColor路径
+		 * @param 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;
 		std::unordered_map<std::string, QOpenGLTexture> texturesLoaded;