Yoggie-Game-Studio/YoggieEngine
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Code Issues 6 repo.project_board 1 Releases Activity

Editing the modelimporter to allow to create scene graphs

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This commit is contained in:
Nigel Barink
2022-07-08 21:35:14 +02:00
parent 85f9c78adf
commit b7e3465406
19 changed files with 241 additions and 256 deletions
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12
BarinkEngine/graphics/Buffer.cpp
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@ -1,15 +1,15 @@
#include "Graphics/Buffer.h"
int Buffer::getBufferID() {
int GpuBuffer::getBufferID() {
return id;
}
void Buffer::createBuffer() {
void GpuBuffer::createBuffer() {
glGenBuffers(1, (GLuint*) &id);
}
void Buffer::setBufferData(void* data, size_t dataSize, bool elementBuffer = false ) {
void GpuBuffer::setBufferData(void* data, size_t dataSize, bool elementBuffer = false ) {
if (elementBuffer) {
glBufferData(GL_ELEMENT_ARRAY_BUFFER, dataSize, data, GL_STATIC_DRAW);
@ -21,7 +21,7 @@ void Buffer::setBufferData(void* data, size_t dataSize, bool elementBuffer = fal
}
void Buffer::Bind(bool elementBuffer = false ) {
void GpuBuffer::Bind(bool elementBuffer = false ) {
if (elementBuffer) {
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, id);
@ -32,7 +32,7 @@ void Buffer::Bind(bool elementBuffer = false ) {
}
}
void Buffer::Unbind(bool elementBuffer = false) {
void GpuBuffer::Unbind(bool elementBuffer = false) {
if (elementBuffer) {
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);
}
@ -42,6 +42,6 @@ void Buffer::Unbind(bool elementBuffer = false) {
}
}
void Buffer::Delete() {
void GpuBuffer::Delete() {
glDeleteBuffers(1, (GLuint*) &id);
}

105
BarinkEngine/graphics/ModelImporter.cpp
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@ -1,70 +1,21 @@
#include "AssetManager/ModelImporter.h"
void ModelImporter::ImportFBX(std::string path)
std::vector<BarinkEngine::Mesh> ModelImporter::Import(const std::string path)
{
//spdlog::warn("ImportFBX not implemented!");
}
void ModelImporter::ImportBlend(std::string path)
{
//spdlog::warn("ImportBlend not implemented!");
}
void ModelImporter::ImportGLTF(std::string path)
{
//spdlog::warn("ImportGLTF not implemented!");
}
void ModelImporter::ImportOBJ(std::string path)
{
//spdlog::warn("ImportOBJ not implemented!");
}
void ModelImporter::Import(std::string path)
{
//spdlog::warn("Import not implemented!");
}
std::vector<BarinkEngine::Mesh> ModelImporter::Test() {
/*
spdlog::info("====== Tiny GLTF ======");
tinygltf::Model loadedModel;
tinygltf::TinyGLTF loader;
std::string error;
std::string warn;
bool ret = loader.LoadASCIIFromFile(&loadedModel, &error, &warn, "./Build/SandboxApplication/Debug/sponza.gltf");
if (!warn.empty())
spdlog::warn("TinyGLTF Warning: {}", warn);
if (!error.empty())
spdlog::error("TinyGLTF Error: {}", error);
if (!ret) {
spdlog::error("TinyGLTF Error: Failed to parse glTF");
exit(-1);
}
spdlog::info("Meshes in model: {}", loadedModel.meshes.size());
spdlog::info("Primitives in mesh: {}", loadedModel.meshes[0].primitives.size());
*/
//spdlog::info("======= Assimp ======");
Assimp::Importer importer;
const aiScene* scene = importer.ReadFile("build/SandboxApplication/Debug/Models/Cube.obj", aiProcess_Triangulate | aiProcess_FlipUVs);
const aiScene* scene = importer.ReadFile(path, aiProcess_Triangulate | aiProcess_FlipUVs);
aiNode* currentNode = scene->mRootNode;
return processNode(currentNode, scene);
return processNode(currentNode, scene);
}
std::vector<BarinkEngine::Mesh> ModelImporter::processNode(aiNode* node, const aiScene* scene) {
std::vector<BarinkEngine::Mesh> ModelImporter::processNode(aiNode* node, const aiScene* scene)
{
std::vector<BarinkEngine::Mesh> meshes;
for (unsigned int i = 0; i < node->mNumMeshes; i++) {
aiMesh* mesh = scene->mMeshes[node->mMeshes[i]];
meshes.push_back(processMesh(mesh, scene));
@ -85,6 +36,20 @@ BarinkEngine::Mesh ModelImporter::processMesh(aiMesh* mesh, const aiScene* scene
std::vector<unsigned int> indices;
std::vector<BarinkEngine::Vertex> vertices;
ProcessVertices(mesh, vertices);
ProcessIndices(mesh, indices);
BarinkEngine::Mesh result;
result.vertices = vertices;
result.elements = indices;
return result;
}
void ProcessVertices(aiMesh* mesh, std::vector<BarinkEngine::Vertex>& out_vertices) {
// Process vertices
for (unsigned int i = 0; i < mesh->mNumVertices; i++) {
BarinkEngine::Vertex v{};
@ -92,9 +57,9 @@ BarinkEngine::Mesh ModelImporter::processMesh(aiMesh* mesh, const aiScene* scene
vector.x = mesh->mVertices[i].x;
vector.y = mesh->mVertices[i].y;
vector.z = mesh->mVertices[i].z;
v.vertices = vector;
if (mesh->mTextureCoords[0]) {
glm::vec2 texCoord;
@ -105,29 +70,19 @@ BarinkEngine::Mesh ModelImporter::processMesh(aiMesh* mesh, const aiScene* scene
v.uv = texCoord;
}
vertices.push_back(v);
}
out_vertices.push_back(v);
}
}
void ProcessIndices(aiMesh* mesh, std::vector<unsigned int>& out_indices) {
// Process Indices
for (unsigned int i = 0; i < mesh->mNumFaces; i++) {
aiFace face = mesh->mFaces[i];
if (face.mNumIndices < 3)
continue;
for (unsigned int j = 0; j < face.mNumIndices; j++) {
indices.push_back(face.mIndices[j]);
out_indices.push_back(face.mIndices[j]);
}
}
BarinkEngine::Mesh result;
result.vertices = vertices;
result.elements = indices;
return result;
}

83
BarinkEngine/graphics/Renderable.cpp
View File

@ -3,60 +3,51 @@
#include "PerfCounter.h"
Renderable* Renderable::Load()
BarinkEngine::Renderable::Renderable()
{
return new Renderable();
}
Renderable::Renderable()
{
meshes = ModelImporter::Test();
transform.Scale = glm::vec3(1.0f);
transform.Rotation = glm::vec3(0.0f, 0.0f, 0.0f);
transform.Position = glm::vec3(0.0f, 0.0f, 0.0f);
VAO.Create();
VAO.Bind();
vertexBuffer.createBuffer();
vertexBuffer.Bind(false);
vertexBuffer.setBufferData(&meshes[0].vertices[0], meshes[0].vertices.size() * sizeof(BarinkEngine::Vertex), false);
elementBuffer.createBuffer();
elementBuffer.Bind(true);
elementBuffer.setBufferData(&meshes[0].elements[0], meshes[0].elements.size() * sizeof(unsigned int), true);
VAO.AttachAttribute(0, 3, sizeof(BarinkEngine::Vertex));
glVertexAttribPointer(1, 2, GL_FLOAT, GL_FALSE, sizeof(BarinkEngine::Vertex),(void* )offsetof(BarinkEngine::Vertex, vertices));
glEnableVertexAttribArray(1);
/*
vertexBuffer.Unbind(false);
VAO.Create();
VAO.Bind();
vertexBuffer.createBuffer();
vertexBuffer.Bind(false);
vertexBuffer.setBufferData(&meshes[0].vertices[0], meshes[0].vertices.size() * sizeof(BarinkEngine::Vertex), false);
elementBuffer.createBuffer();
elementBuffer.Bind(true);
elementBuffer.setBufferData(&meshes[0].elements[0], meshes[0].elements.size() * sizeof(unsigned int), true);
VAO.AttachAttribute(0, 3, sizeof(BarinkEngine::Vertex));
glVertexAttribPointer(1, 2, GL_FLOAT, GL_FALSE, sizeof(BarinkEngine::Vertex),(void* )offsetof(BarinkEngine::Vertex, vertices));
glEnableVertexAttribArray(1);
//vertexBuffer.Unbind(false);
VAO.Unbind();
VAO.Unbind();
*/
}
Renderable::~Renderable()
BarinkEngine::Renderable::~Renderable()
{
glDeleteBuffers(1, &UV_id);
// glDeleteBuffers(1, &UV_id);
}
void Renderable::Draw()
{
VAO.Bind();
elementBuffer.Bind(true);
// Draw call Example !!
/*
VAO.Bind();
elementBuffer.Bind(true);
glActiveTexture(GL_TEXTURE0);
glUniform1i(glGetUniformLocation(shader->id, "Texture"), GL_TEXTURE0);
texture->Bind();
glActiveTexture(GL_TEXTURE0);
glUniform1i(glGetUniformLocation(shader->id, "Texture"), GL_TEXTURE0);
texture->Bind();
ES->verts = meshes[0].vertices.size();
ES->DC++;
glDrawElements(GL_TRIANGLES, static_cast<unsigned int>(meshes[0].elements.size()), GL_UNSIGNED_INT, NULL);
VAO.Unbind();
}
ES->verts = meshes[0].vertices.size();
ES->DC++;
glDrawElements(GL_TRIANGLES, static_cast<unsigned int>(meshes[0].elements.size()), GL_UNSIGNED_INT, NULL);
VAO.Unbind();
*/