//// ModelScriptingInterface.cpp// libraries/script-engine/src//// Created by Seth Alves on 2017-1-27.// Copyright 2017 High Fidelity, Inc.//// Distributed under the Apache License, Version 2.0.// See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html// #include <QScriptEngine>#include <QScriptValueIterator>#include <QtScript/QScriptValue>#include <model-networking/MeshFace.h>#include "ScriptEngine.h"#include "ScriptEngineLogging.h"#include "ModelScriptingInterface.h"#include "OBJWriter.h" ModelScriptingInterface::ModelScriptingInterface(QObject* parent) : QObject(parent) { _modelScriptEngine = qobject_cast<ScriptEngine*>(parent); qScriptRegisterSequenceMetaType<QList<MeshProxy*>>(_modelScriptEngine); qScriptRegisterMetaType(_modelScriptEngine, meshFaceToScriptValue, meshFaceFromScriptValue); qScriptRegisterMetaType(_modelScriptEngine, qVectorMeshFaceToScriptValue, qVectorMeshFaceFromScriptValue);} QString ModelScriptingInterface::meshToOBJ(MeshProxyList in) { QList<MeshPointer> meshes; foreach (const MeshProxy* meshProxy, in) { meshes.append(meshProxy->getMeshPointer()); } return writeOBJToString(meshes);} QScriptValue ModelScriptingInterface::appendMeshes(MeshProxyList in) { // figure out the size of the resulting mesh size_t totalVertexCount { 0 }; size_t totalAttributeCount { 0 }; size_t totalIndexCount { 0 }; foreach (const MeshProxy* meshProxy, in) { MeshPointer mesh = meshProxy->getMeshPointer(); totalVertexCount += mesh->getNumVertices(); int attributeTypeNormal = gpu::Stream::InputSlot::NORMAL; // libraries/gpu/src/gpu/Stream.h const gpu::BufferView& normalsBufferView = mesh->getAttributeBuffer(attributeTypeNormal); gpu::BufferView::Index numNormals = (gpu::BufferView::Index)normalsBufferView.getNumElements(); totalAttributeCount += numNormals; totalIndexCount += mesh->getNumIndices(); } // alloc the resulting mesh gpu::Resource::Size combinedVertexSize = totalVertexCount * sizeof(glm::vec3); unsigned char* combinedVertexData = new unsigned char[combinedVertexSize]; unsigned char* combinedVertexDataCursor = combinedVertexData; gpu::Resource::Size combinedNormalSize = totalAttributeCount * sizeof(glm::vec3); unsigned char* combinedNormalData = new unsigned char[combinedNormalSize]; unsigned char* combinedNormalDataCursor = combinedNormalData; gpu::Resource::Size combinedIndexSize = totalIndexCount * sizeof(uint32_t); unsigned char* combinedIndexData = new unsigned char[combinedIndexSize]; unsigned char* combinedIndexDataCursor = combinedIndexData; uint32_t indexStartOffset { 0 }; foreach (const MeshProxy* meshProxy, in) { MeshPointer mesh = meshProxy->getMeshPointer(); mesh->forEach( [&](glm::vec3 position){ memcpy(combinedVertexDataCursor, &position, sizeof(position)); combinedVertexDataCursor += sizeof(position); }, [&](glm::vec3 normal){ memcpy(combinedNormalDataCursor, &normal, sizeof(normal)); combinedNormalDataCursor += sizeof(normal); }, [&](uint32_t index){ index += indexStartOffset; memcpy(combinedIndexDataCursor, &index, sizeof(index)); combinedIndexDataCursor += sizeof(index); }); gpu::BufferView::Index numVertices = (gpu::BufferView::Index)mesh->getNumVertices(); indexStartOffset += numVertices; } model::MeshPointer result(new model::Mesh()); gpu::Element vertexElement = gpu::Element(gpu::VEC3, gpu::FLOAT, gpu::XYZ); gpu::Buffer* combinedVertexBuffer = new gpu::Buffer(combinedVertexSize, combinedVertexData); gpu::BufferPointer combinedVertexBufferPointer(combinedVertexBuffer); gpu::BufferView combinedVertexBufferView(combinedVertexBufferPointer, vertexElement); result->setVertexBuffer(combinedVertexBufferView); int attributeTypeNormal = gpu::Stream::InputSlot::NORMAL; // libraries/gpu/src/gpu/Stream.h gpu::Element normalElement = gpu::Element(gpu::VEC3, gpu::FLOAT, gpu::XYZ); gpu::Buffer* combinedNormalsBuffer = new gpu::Buffer(combinedNormalSize, combinedNormalData); gpu::BufferPointer combinedNormalsBufferPointer(combinedNormalsBuffer); gpu::BufferView combinedNormalsBufferView(combinedNormalsBufferPointer, normalElement); result->addAttribute(attributeTypeNormal, combinedNormalsBufferView); gpu::Element indexElement = gpu::Element(gpu::SCALAR, gpu::UINT32, gpu::RAW); gpu::Buffer* combinedIndexesBuffer = new gpu::Buffer(combinedIndexSize, combinedIndexData); gpu::BufferPointer combinedIndexesBufferPointer(combinedIndexesBuffer); gpu::BufferView combinedIndexesBufferView(combinedIndexesBufferPointer, indexElement); result->setIndexBuffer(combinedIndexesBufferView); std::vector<model::Mesh::Part> parts; parts.emplace_back(model::Mesh::Part((model::Index)0, // startIndex (model::Index)result->getNumIndices(), // numIndices (model::Index)0, // baseVertex model::Mesh::TRIANGLES)); // topology result->setPartBuffer(gpu::BufferView(new gpu::Buffer(parts.size() * sizeof(model::Mesh::Part), (gpu::Byte*) parts.data()), gpu::Element::PART_DRAWCALL)); MeshProxy* resultProxy = new MeshProxy(result); return meshToScriptValue(_modelScriptEngine, resultProxy);} QScriptValue ModelScriptingInterface::transformMesh(glm::mat4 transform, MeshProxy* meshProxy) { if (!meshProxy) { return QScriptValue(false); } MeshPointer mesh = meshProxy->getMeshPointer(); if (!mesh) { return QScriptValue(false); } model::MeshPointer result = mesh->map([&](glm::vec3 position){ return glm::vec3(transform * glm::vec4(position, 1.0f)); }, [&](glm::vec3 normal){ return glm::vec3(transform * glm::vec4(normal, 0.0f)); }, [&](uint32_t index){ return index; }); MeshProxy* resultProxy = new MeshProxy(result); return meshToScriptValue(_modelScriptEngine, resultProxy);} QScriptValue ModelScriptingInterface::newMesh(const QVector<glm::vec3>& vertices, const QVector<glm::vec3>& normals, const QVector<MeshFace>& faces) { model::MeshPointer mesh(new model::Mesh()); // vertices auto vertexBuffer = std::make_shared<gpu::Buffer>(vertices.size() * sizeof(glm::vec3), (gpu::Byte*)vertices.data()); auto vertexBufferPtr = gpu::BufferPointer(vertexBuffer); gpu::BufferView vertexBufferView(vertexBufferPtr, 0, vertexBufferPtr->getSize(), sizeof(glm::vec3), gpu::Element(gpu::VEC3, gpu::FLOAT, gpu::XYZ)); mesh->setVertexBuffer(vertexBufferView); if (vertices.size() == normals.size()) { // normals auto normalBuffer = std::make_shared<gpu::Buffer>(normals.size() * sizeof(glm::vec3), (gpu::Byte*)normals.data()); auto normalBufferPtr = gpu::BufferPointer(normalBuffer); gpu::BufferView normalBufferView(normalBufferPtr, 0, normalBufferPtr->getSize(), sizeof(glm::vec3), gpu::Element(gpu::VEC3, gpu::FLOAT, gpu::XYZ)); mesh->addAttribute(gpu::Stream::NORMAL, normalBufferView); } else { qCDebug(scriptengine) << "ModelScriptingInterface::newMesh normals must be same length as vertices"; } // indices (faces) int VERTICES_PER_TRIANGLE = 3; int indexBufferSize = faces.size() * sizeof(uint32_t) * VERTICES_PER_TRIANGLE; unsigned char* indexData = new unsigned char[indexBufferSize]; unsigned char* indexDataCursor = indexData; foreach(const MeshFace& meshFace, faces) { for (int i = 0; i < VERTICES_PER_TRIANGLE; i++) { memcpy(indexDataCursor, &meshFace.vertexIndices[i], sizeof(uint32_t)); indexDataCursor += sizeof(uint32_t); } } auto indexBuffer = std::make_shared<gpu::Buffer>(indexBufferSize, (gpu::Byte*)indexData); auto indexBufferPtr = gpu::BufferPointer(indexBuffer); gpu::BufferView indexBufferView(indexBufferPtr, gpu::Element(gpu::SCALAR, gpu::UINT32, gpu::RAW)); mesh->setIndexBuffer(indexBufferView); // parts std::vector<model::Mesh::Part> parts; parts.emplace_back(model::Mesh::Part((model::Index)0, // startIndex (model::Index)faces.size() * 3, // numIndices (model::Index)0, // baseVertex model::Mesh::TRIANGLES)); // topology mesh->setPartBuffer(gpu::BufferView(new gpu::Buffer(parts.size() * sizeof(model::Mesh::Part), (gpu::Byte*) parts.data()), gpu::Element::PART_DRAWCALL)); MeshProxy* meshProxy = new MeshProxy(mesh); return meshToScriptValue(_modelScriptEngine, meshProxy);}
//
// ModelScriptingInterface.cpp
// libraries/script-engine/src
//
// Created by Seth Alves on 2017-1-27.
// Copyright 2017 High Fidelity, Inc.
//
// Distributed under the Apache License, Version 2.0.
// See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
//
#include <QScriptEngine>
#include <QScriptValueIterator>
#include <QtScript/QScriptValue>
#include <model-networking/MeshFace.h>
#include "ScriptEngine.h"
#include "ScriptEngineLogging.h"
#include "ModelScriptingInterface.h"
#include "OBJWriter.h"
ModelScriptingInterface::ModelScriptingInterface(QObject* parent) : QObject(parent) {
_modelScriptEngine = qobject_cast<ScriptEngine*>(parent);
qScriptRegisterSequenceMetaType<QList<MeshProxy*>>(_modelScriptEngine);
qScriptRegisterMetaType(_modelScriptEngine, meshFaceToScriptValue, meshFaceFromScriptValue);
qScriptRegisterMetaType(_modelScriptEngine, qVectorMeshFaceToScriptValue, qVectorMeshFaceFromScriptValue);
}
QString ModelScriptingInterface::meshToOBJ(MeshProxyList in) {
QList<MeshPointer> meshes;
foreach (const MeshProxy* meshProxy, in) {
meshes.append(meshProxy->getMeshPointer());
}
return writeOBJToString(meshes);
}
QScriptValue ModelScriptingInterface::appendMeshes(MeshProxyList in) {
// figure out the size of the resulting mesh
size_t totalVertexCount { 0 };
size_t totalAttributeCount { 0 };
size_t totalIndexCount { 0 };
foreach (const MeshProxy* meshProxy, in) {
MeshPointer mesh = meshProxy->getMeshPointer();
totalVertexCount += mesh->getNumVertices();
int attributeTypeNormal = gpu::Stream::InputSlot::NORMAL; // libraries/gpu/src/gpu/Stream.h
const gpu::BufferView& normalsBufferView = mesh->getAttributeBuffer(attributeTypeNormal);
gpu::BufferView::Index numNormals = (gpu::BufferView::Index)normalsBufferView.getNumElements();
totalAttributeCount += numNormals;
totalIndexCount += mesh->getNumIndices();
}
// alloc the resulting mesh
gpu::Resource::Size combinedVertexSize = totalVertexCount * sizeof(glm::vec3);
unsigned char* combinedVertexData = new unsigned char[combinedVertexSize];
unsigned char* combinedVertexDataCursor = combinedVertexData;
gpu::Resource::Size combinedNormalSize = totalAttributeCount * sizeof(glm::vec3);
unsigned char* combinedNormalData = new unsigned char[combinedNormalSize];
unsigned char* combinedNormalDataCursor = combinedNormalData;
gpu::Resource::Size combinedIndexSize = totalIndexCount * sizeof(uint32_t);
unsigned char* combinedIndexData = new unsigned char[combinedIndexSize];
unsigned char* combinedIndexDataCursor = combinedIndexData;
uint32_t indexStartOffset { 0 };
foreach (const MeshProxy* meshProxy, in) {
MeshPointer mesh = meshProxy->getMeshPointer();
mesh->forEach(
[&](glm::vec3 position){
memcpy(combinedVertexDataCursor, &position, sizeof(position));
combinedVertexDataCursor += sizeof(position);
},
[&](glm::vec3 normal){
memcpy(combinedNormalDataCursor, &normal, sizeof(normal));
combinedNormalDataCursor += sizeof(normal);
},
[&](uint32_t index){
index += indexStartOffset;
memcpy(combinedIndexDataCursor, &index, sizeof(index));
combinedIndexDataCursor += sizeof(index);
});
gpu::BufferView::Index numVertices = (gpu::BufferView::Index)mesh->getNumVertices();
indexStartOffset += numVertices;
}
model::MeshPointer result(new model::Mesh());
gpu::Element vertexElement = gpu::Element(gpu::VEC3, gpu::FLOAT, gpu::XYZ);
gpu::Buffer* combinedVertexBuffer = new gpu::Buffer(combinedVertexSize, combinedVertexData);
gpu::BufferPointer combinedVertexBufferPointer(combinedVertexBuffer);
gpu::BufferView combinedVertexBufferView(combinedVertexBufferPointer, vertexElement);
result->setVertexBuffer(combinedVertexBufferView);
int attributeTypeNormal = gpu::Stream::InputSlot::NORMAL; // libraries/gpu/src/gpu/Stream.h
gpu::Element normalElement = gpu::Element(gpu::VEC3, gpu::FLOAT, gpu::XYZ);
gpu::Buffer* combinedNormalsBuffer = new gpu::Buffer(combinedNormalSize, combinedNormalData);
gpu::BufferPointer combinedNormalsBufferPointer(combinedNormalsBuffer);
gpu::BufferView combinedNormalsBufferView(combinedNormalsBufferPointer, normalElement);
result->addAttribute(attributeTypeNormal, combinedNormalsBufferView);
gpu::Element indexElement = gpu::Element(gpu::SCALAR, gpu::UINT32, gpu::RAW);
gpu::Buffer* combinedIndexesBuffer = new gpu::Buffer(combinedIndexSize, combinedIndexData);
gpu::BufferPointer combinedIndexesBufferPointer(combinedIndexesBuffer);
gpu::BufferView combinedIndexesBufferView(combinedIndexesBufferPointer, indexElement);
result->setIndexBuffer(combinedIndexesBufferView);
std::vector<model::Mesh::Part> parts;
parts.emplace_back(model::Mesh::Part((model::Index)0, // startIndex
(model::Index)result->getNumIndices(), // numIndices
(model::Index)0, // baseVertex
model::Mesh::TRIANGLES)); // topology
result->setPartBuffer(gpu::BufferView(new gpu::Buffer(parts.size() * sizeof(model::Mesh::Part),
(gpu::Byte*) parts.data()), gpu::Element::PART_DRAWCALL));
MeshProxy* resultProxy = new MeshProxy(result);
return meshToScriptValue(_modelScriptEngine, resultProxy);
}
QScriptValue ModelScriptingInterface::transformMesh(glm::mat4 transform, MeshProxy* meshProxy) {
if (!meshProxy) {
return QScriptValue(false);
}
MeshPointer mesh = meshProxy->getMeshPointer();
if (!mesh) {
return QScriptValue(false);
}
model::MeshPointer result = mesh->map([&](glm::vec3 position){ return glm::vec3(transform * glm::vec4(position, 1.0f)); },
[&](glm::vec3 normal){ return glm::vec3(transform * glm::vec4(normal, 0.0f)); },
[&](uint32_t index){ return index; });
MeshProxy* resultProxy = new MeshProxy(result);
return meshToScriptValue(_modelScriptEngine, resultProxy);
}
QScriptValue ModelScriptingInterface::newMesh(const QVector<glm::vec3>& vertices,
const QVector<glm::vec3>& normals,
const QVector<MeshFace>& faces) {
model::MeshPointer mesh(new model::Mesh());
// vertices
auto vertexBuffer = std::make_shared<gpu::Buffer>(vertices.size() * sizeof(glm::vec3), (gpu::Byte*)vertices.data());
auto vertexBufferPtr = gpu::BufferPointer(vertexBuffer);
gpu::BufferView vertexBufferView(vertexBufferPtr, 0, vertexBufferPtr->getSize(),
sizeof(glm::vec3), gpu::Element(gpu::VEC3, gpu::FLOAT, gpu::XYZ));
mesh->setVertexBuffer(vertexBufferView);
if (vertices.size() == normals.size()) {
// normals
auto normalBuffer = std::make_shared<gpu::Buffer>(normals.size() * sizeof(glm::vec3), (gpu::Byte*)normals.data());
auto normalBufferPtr = gpu::BufferPointer(normalBuffer);
gpu::BufferView normalBufferView(normalBufferPtr, 0, normalBufferPtr->getSize(),
sizeof(glm::vec3), gpu::Element(gpu::VEC3, gpu::FLOAT, gpu::XYZ));
mesh->addAttribute(gpu::Stream::NORMAL, normalBufferView);
} else {
qCDebug(scriptengine) << "ModelScriptingInterface::newMesh normals must be same length as vertices";
}
// indices (faces)
int VERTICES_PER_TRIANGLE = 3;
int indexBufferSize = faces.size() * sizeof(uint32_t) * VERTICES_PER_TRIANGLE;
unsigned char* indexData = new unsigned char[indexBufferSize];
unsigned char* indexDataCursor = indexData;
foreach(const MeshFace& meshFace, faces) {
for (int i = 0; i < VERTICES_PER_TRIANGLE; i++) {
memcpy(indexDataCursor, &meshFace.vertexIndices[i], sizeof(uint32_t));
indexDataCursor += sizeof(uint32_t);
}
}
auto indexBuffer = std::make_shared<gpu::Buffer>(indexBufferSize, (gpu::Byte*)indexData);
auto indexBufferPtr = gpu::BufferPointer(indexBuffer);
gpu::BufferView indexBufferView(indexBufferPtr, gpu::Element(gpu::SCALAR, gpu::UINT32, gpu::RAW));
mesh->setIndexBuffer(indexBufferView);
// parts
std::vector<model::Mesh::Part> parts;
parts.emplace_back(model::Mesh::Part((model::Index)0, // startIndex
(model::Index)faces.size() * 3, // numIndices
(model::Index)0, // baseVertex
model::Mesh::TRIANGLES)); // topology
mesh->setPartBuffer(gpu::BufferView(new gpu::Buffer(parts.size() * sizeof(model::Mesh::Part),
(gpu::Byte*) parts.data()), gpu::Element::PART_DRAWCALL));
MeshProxy* meshProxy = new MeshProxy(mesh);
return meshToScriptValue(_modelScriptEngine, meshProxy);
}