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Removed "springiness" bits.

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This commit is contained in:
Andrzej Kapolka 2014-03-18 13:57:36 -07:00
parent 8413a3cacd
commit 299dbb93ea
5 changed files with 58 additions and 211 deletions
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48
interface/src/renderer/FBXReader.cpp
View file

@ -1331,14 +1331,11 @@ FBXGeometry extractFBXGeometry(const FBXNode& node, const QVariantHash& mapping)
geometry.staticExtents.reset();
geometry.meshExtents.reset();
QVariantHash springs = mapping.value("spring").toHash();
QVariant defaultSpring = springs.value("default");
for (QHash<QString, ExtractedMesh>::iterator it = meshes.begin(); it != meshes.end(); it++) {
ExtractedMesh& extracted = it.value();
// accumulate local transforms
QString modelID = models.contains(it.key()) ? it.key() : parentMap.value(it.key());
extracted.mesh.springiness = springs.value(models.value(modelID).name, defaultSpring).toFloat();
glm::mat4 modelTransform = getGlobalTransform(parentMap, models, modelID);
// compute the mesh extents from the transformed vertices
@ -1591,49 +1588,7 @@ FBXGeometry extractFBXGeometry(const FBXNode& node, const QVariantHash& mapping)
}
}
extracted.mesh.isEye = (maxJointIndex == geometry.leftEyeJointIndex || maxJointIndex == geometry.rightEyeJointIndex);
// extract spring edges, connections if springy
if (extracted.mesh.springiness > 0.0f) {
QSet<QPair<int, int> > edges;
extracted.mesh.vertexConnections.resize(extracted.mesh.vertices.size());
foreach (const FBXMeshPart& part, extracted.mesh.parts) {
for (int i = 0; i < part.quadIndices.size(); i += 4) {
int index0 = part.quadIndices.at(i);
int index1 = part.quadIndices.at(i + 1);
int index2 = part.quadIndices.at(i + 2);
int index3 = part.quadIndices.at(i + 3);
edges.insert(QPair<int, int>(qMin(index0, index1), qMax(index0, index1)));
edges.insert(QPair<int, int>(qMin(index1, index2), qMax(index1, index2)));
edges.insert(QPair<int, int>(qMin(index2, index3), qMax(index2, index3)));
edges.insert(QPair<int, int>(qMin(index3, index0), qMax(index3, index0)));
extracted.mesh.vertexConnections[index0].append(QPair<int, int>(index3, index1));
extracted.mesh.vertexConnections[index1].append(QPair<int, int>(index0, index2));
extracted.mesh.vertexConnections[index2].append(QPair<int, int>(index1, index3));
extracted.mesh.vertexConnections[index3].append(QPair<int, int>(index2, index0));
}
for (int i = 0; i < part.triangleIndices.size(); i += 3) {
int index0 = part.triangleIndices.at(i);
int index1 = part.triangleIndices.at(i + 1);
int index2 = part.triangleIndices.at(i + 2);
edges.insert(QPair<int, int>(qMin(index0, index1), qMax(index0, index1)));
edges.insert(QPair<int, int>(qMin(index1, index2), qMax(index1, index2)));
edges.insert(QPair<int, int>(qMin(index2, index0), qMax(index2, index0)));
extracted.mesh.vertexConnections[index0].append(QPair<int, int>(index2, index1));
extracted.mesh.vertexConnections[index1].append(QPair<int, int>(index0, index2));
extracted.mesh.vertexConnections[index2].append(QPair<int, int>(index1, index0));
}
}
for (QSet<QPair<int, int> >::const_iterator edge = edges.constBegin(); edge != edges.constEnd(); edge++) {
extracted.mesh.springEdges.append(*edge);
}
}
geometry.meshes.append(extracted.mesh);
}
@ -1797,7 +1752,6 @@ FBXGeometry readSVO(const QByteArray& model) {
// and one mesh with one cluster and one part
FBXMesh mesh;
mesh.isEye = false;
mesh.springiness = 0.0f;
FBXCluster cluster = { 0 };
mesh.clusters.append(cluster);

4
interface/src/renderer/FBXReader.h
View file

@ -130,10 +130,6 @@ public:
bool isEye;
QVector<FBXBlendshape> blendshapes;
float springiness;
QVector<QPair<int, int> > springEdges;
QVector<QVarLengthArray<QPair<int, int>, 4> > vertexConnections;
};
/// An attachment to an FBX document.

19
interface/src/renderer/GeometryCache.cpp
View file

@ -565,8 +565,8 @@ void NetworkGeometry::setGeometry(const FBXGeometry& geometry) {
networkMesh.vertexBuffer.bind();
networkMesh.vertexBuffer.setUsagePattern(QOpenGLBuffer::StaticDraw);
// if we don't need to do any blending or springing, then the positions/normals can be static
if (mesh.blendshapes.isEmpty() && mesh.springiness == 0.0f) {
// if we don't need to do any blending, the positions/normals can be static
if (mesh.blendshapes.isEmpty()) {
int normalsOffset = mesh.vertices.size() * sizeof(glm::vec3);
int tangentsOffset = normalsOffset + mesh.normals.size() * sizeof(glm::vec3);
int colorsOffset = tangentsOffset + mesh.tangents.size() * sizeof(glm::vec3);
@ -587,8 +587,8 @@ void NetworkGeometry::setGeometry(const FBXGeometry& geometry) {
networkMesh.vertexBuffer.write(clusterWeightsOffset, mesh.clusterWeights.constData(),
mesh.clusterWeights.size() * sizeof(glm::vec4));
// if there's no springiness, then the cluster indices/weights can be static
} else if (mesh.springiness == 0.0f) {
// otherwise, at least the cluster indices/weights can be static
} else {
int colorsOffset = mesh.tangents.size() * sizeof(glm::vec3);
int texCoordsOffset = colorsOffset + mesh.colors.size() * sizeof(glm::vec3);
int clusterIndicesOffset = texCoordsOffset + mesh.texCoords.size() * sizeof(glm::vec2);
@ -601,16 +601,7 @@ void NetworkGeometry::setGeometry(const FBXGeometry& geometry) {
networkMesh.vertexBuffer.write(clusterIndicesOffset, mesh.clusterIndices.constData(),
mesh.clusterIndices.size() * sizeof(glm::vec4));
networkMesh.vertexBuffer.write(clusterWeightsOffset, mesh.clusterWeights.constData(),
mesh.clusterWeights.size() * sizeof(glm::vec4));
} else {
int colorsOffset = mesh.tangents.size() * sizeof(glm::vec3);
int texCoordsOffset = colorsOffset + mesh.colors.size() * sizeof(glm::vec3);
networkMesh.vertexBuffer.allocate(texCoordsOffset + mesh.texCoords.size() * sizeof(glm::vec2));
networkMesh.vertexBuffer.write(0, mesh.tangents.constData(), mesh.tangents.size() * sizeof(glm::vec3));
networkMesh.vertexBuffer.write(colorsOffset, mesh.colors.constData(), mesh.colors.size() * sizeof(glm::vec3));
networkMesh.vertexBuffer.write(texCoordsOffset, mesh.texCoords.constData(),
mesh.texCoords.size() * sizeof(glm::vec2));
mesh.clusterWeights.size() * sizeof(glm::vec4));
}
networkMesh.vertexBuffer.release();

195
interface/src/renderer/Model.cpp
View file

@ -175,7 +175,7 @@ bool Model::render(float alpha) {
if (_blendedVertexBufferIDs.isEmpty()) {
foreach (const FBXMesh& mesh, geometry.meshes) {
GLuint id = 0;
if (!mesh.blendshapes.isEmpty() || mesh.springiness > 0.0f) {
if (!mesh.blendshapes.isEmpty()) {
glGenBuffers(1, &id);
glBindBuffer(GL_ARRAY_BUFFER, id);
glBufferData(GL_ARRAY_BUFFER, (mesh.vertices.size() + mesh.normals.size()) * sizeof(glm::vec3),
@ -490,11 +490,6 @@ void Model::simulate(float deltaTime, bool fullUpdate, const QVector<JointState>
foreach (const FBXMesh& mesh, geometry.meshes) {
MeshState state;
state.clusterMatrices.resize(mesh.clusters.size());
if (mesh.springiness > 0.0f) {
state.worldSpaceVertices.resize(mesh.vertices.size());
state.vertexVelocities.resize(mesh.vertices.size());
state.worldSpaceNormals.resize(mesh.vertices.size());
}
_meshStates.append(state);
}
foreach (const FBXAttachment& attachment, geometry.attachments) {
@ -541,80 +536,6 @@ void Model::simulate(float deltaTime, bool fullUpdate, const QVector<JointState>
const FBXCluster& cluster = mesh.clusters.at(j);
state.clusterMatrices[j] = _jointStates[cluster.jointIndex].transform * cluster.inverseBindMatrix;
}
int vertexCount = state.worldSpaceVertices.size();
if (vertexCount == 0) {
continue;
}
glm::vec3* destVertices = state.worldSpaceVertices.data();
glm::vec3* destVelocities = state.vertexVelocities.data();
glm::vec3* destNormals = state.worldSpaceNormals.data();
const glm::vec3* sourceVertices = mesh.vertices.constData();
if (!mesh.blendshapes.isEmpty()) {
_blendedVertices.resize(max(_blendedVertices.size(), vertexCount));
memcpy(_blendedVertices.data(), mesh.vertices.constData(), vertexCount * sizeof(glm::vec3));
// blend in each coefficient
for (unsigned int j = 0; j < _blendshapeCoefficients.size(); j++) {
float coefficient = _blendshapeCoefficients[j];
if (coefficient == 0.0f || j >= (unsigned int)mesh.blendshapes.size() || mesh.blendshapes[j].vertices.isEmpty()) {
continue;
}
const glm::vec3* vertex = mesh.blendshapes[j].vertices.constData();
for (const int* index = mesh.blendshapes[j].indices.constData(),
*end = index + mesh.blendshapes[j].indices.size(); index != end; index++, vertex++) {
_blendedVertices[*index] += *vertex * coefficient;
}
}
sourceVertices = _blendedVertices.constData();
}
glm::mat4 transform = glm::translate(_translation);
if (mesh.clusters.size() > 1) {
_blendedVertices.resize(max(_blendedVertices.size(), vertexCount));
// skin each vertex
const glm::vec4* clusterIndices = mesh.clusterIndices.constData();
const glm::vec4* clusterWeights = mesh.clusterWeights.constData();
for (int j = 0; j < vertexCount; j++) {
_blendedVertices[j] =
glm::vec3(state.clusterMatrices[clusterIndices[j][0]] *
glm::vec4(sourceVertices[j], 1.0f)) * clusterWeights[j][0] +
glm::vec3(state.clusterMatrices[clusterIndices[j][1]] *
glm::vec4(sourceVertices[j], 1.0f)) * clusterWeights[j][1] +
glm::vec3(state.clusterMatrices[clusterIndices[j][2]] *
glm::vec4(sourceVertices[j], 1.0f)) * clusterWeights[j][2] +
glm::vec3(state.clusterMatrices[clusterIndices[j][3]] *
glm::vec4(sourceVertices[j], 1.0f)) * clusterWeights[j][3];
}
sourceVertices = _blendedVertices.constData();
} else {
transform = state.clusterMatrices[0];
}
if (_resetStates) {
for (int j = 0; j < vertexCount; j++) {
destVertices[j] = glm::vec3(transform * glm::vec4(sourceVertices[j], 1.0f));
destVelocities[j] = glm::vec3();
}
} else {
const float SPRINGINESS_MULTIPLIER = 200.0f;
const float DAMPING = 5.0f;
for (int j = 0; j < vertexCount; j++) {
destVelocities[j] += ((glm::vec3(transform * glm::vec4(sourceVertices[j], 1.0f)) - destVertices[j]) *
mesh.springiness * SPRINGINESS_MULTIPLIER - destVelocities[j] * DAMPING) * deltaTime;
destVertices[j] += destVelocities[j] * deltaTime;
}
}
for (int j = 0; j < vertexCount; j++) {
destNormals[j] = glm::vec3();
const glm::vec3& middle = destVertices[j];
for (QVarLengthArray<QPair<int, int>, 4>::const_iterator connection = mesh.vertexConnections.at(j).constBegin();
connection != mesh.vertexConnections.at(j).constEnd(); connection++) {
destNormals[j] += glm::normalize(glm::cross(destVertices[connection->second] - middle,
destVertices[connection->first] - middle));
}
}
}
_resetStates = false;
}
@ -980,34 +901,30 @@ void Model::renderMeshes(float alpha, bool translucent) {
const MeshState& state = _meshStates.at(i);
ProgramObject* activeProgram = program;
int tangentLocation = _normalMapTangentLocation;
if (state.worldSpaceVertices.isEmpty()) {
glPushMatrix();
Application::getInstance()->loadTranslatedViewMatrix(_translation);
if (state.clusterMatrices.size() > 1) {
skinProgram->bind();
glUniformMatrix4fvARB(skinLocations->clusterMatrices, state.clusterMatrices.size(), false,
(const float*)state.clusterMatrices.constData());
int offset = (mesh.tangents.size() + mesh.colors.size()) * sizeof(glm::vec3) +
mesh.texCoords.size() * sizeof(glm::vec2) +
(mesh.blendshapes.isEmpty() ? vertexCount * 2 * sizeof(glm::vec3) : 0);
skinProgram->setAttributeBuffer(skinLocations->clusterIndices, GL_FLOAT, offset, 4);
skinProgram->setAttributeBuffer(skinLocations->clusterWeights, GL_FLOAT,
offset + vertexCount * sizeof(glm::vec4), 4);
skinProgram->enableAttributeArray(skinLocations->clusterIndices);
skinProgram->enableAttributeArray(skinLocations->clusterWeights);
activeProgram = skinProgram;
tangentLocation = skinLocations->tangent;
} else {
glMultMatrixf((const GLfloat*)&state.clusterMatrices[0]);
program->bind();
}
} else {
glPushMatrix();
Application::getInstance()->loadTranslatedViewMatrix(_translation);
if (state.clusterMatrices.size() > 1) {
skinProgram->bind();
glUniformMatrix4fvARB(skinLocations->clusterMatrices, state.clusterMatrices.size(), false,
(const float*)state.clusterMatrices.constData());
int offset = (mesh.tangents.size() + mesh.colors.size()) * sizeof(glm::vec3) +
mesh.texCoords.size() * sizeof(glm::vec2) +
(mesh.blendshapes.isEmpty() ? vertexCount * 2 * sizeof(glm::vec3) : 0);
skinProgram->setAttributeBuffer(skinLocations->clusterIndices, GL_FLOAT, offset, 4);
skinProgram->setAttributeBuffer(skinLocations->clusterWeights, GL_FLOAT,
offset + vertexCount * sizeof(glm::vec4), 4);
skinProgram->enableAttributeArray(skinLocations->clusterIndices);
skinProgram->enableAttributeArray(skinLocations->clusterWeights);
activeProgram = skinProgram;
tangentLocation = skinLocations->tangent;
} else {
glMultMatrixf((const GLfloat*)&state.clusterMatrices[0]);
program->bind();
}
if (mesh.blendshapes.isEmpty() && mesh.springiness == 0.0f) {
if (mesh.blendshapes.isEmpty()) {
if (!mesh.tangents.isEmpty()) {
activeProgram->setAttributeBuffer(tangentLocation, GL_FLOAT, vertexCount * 2 * sizeof(glm::vec3), 3);
activeProgram->enableAttributeArray(tangentLocation);
@ -1026,38 +943,31 @@ void Model::renderMeshes(float alpha, bool translucent) {
glTexCoordPointer(2, GL_FLOAT, 0, (void*)((mesh.tangents.size() + mesh.colors.size()) * sizeof(glm::vec3)));
glBindBuffer(GL_ARRAY_BUFFER, _blendedVertexBufferIDs.at(i));
if (!state.worldSpaceVertices.isEmpty()) {
glBufferSubData(GL_ARRAY_BUFFER, 0, vertexCount * sizeof(glm::vec3), state.worldSpaceVertices.constData());
glBufferSubData(GL_ARRAY_BUFFER, vertexCount * sizeof(glm::vec3),
vertexCount * sizeof(glm::vec3), state.worldSpaceNormals.constData());
} else {
_blendedVertices.resize(max(_blendedVertices.size(), vertexCount));
_blendedNormals.resize(_blendedVertices.size());
memcpy(_blendedVertices.data(), mesh.vertices.constData(), vertexCount * sizeof(glm::vec3));
memcpy(_blendedNormals.data(), mesh.normals.constData(), vertexCount * sizeof(glm::vec3));
// blend in each coefficient
for (unsigned int j = 0; j < _blendshapeCoefficients.size(); j++) {
float coefficient = _blendshapeCoefficients[j];
if (coefficient == 0.0f || j >= (unsigned int)mesh.blendshapes.size() || mesh.blendshapes[j].vertices.isEmpty()) {
continue;
}
const float NORMAL_COEFFICIENT_SCALE = 0.01f;
float normalCoefficient = coefficient * NORMAL_COEFFICIENT_SCALE;
const glm::vec3* vertex = mesh.blendshapes[j].vertices.constData();
const glm::vec3* normal = mesh.blendshapes[j].normals.constData();
for (const int* index = mesh.blendshapes[j].indices.constData(),
*end = index + mesh.blendshapes[j].indices.size(); index != end; index++, vertex++, normal++) {
_blendedVertices[*index] += *vertex * coefficient;
_blendedNormals[*index] += *normal * normalCoefficient;
}
_blendedVertices.resize(max(_blendedVertices.size(), vertexCount));
_blendedNormals.resize(_blendedVertices.size());
memcpy(_blendedVertices.data(), mesh.vertices.constData(), vertexCount * sizeof(glm::vec3));
memcpy(_blendedNormals.data(), mesh.normals.constData(), vertexCount * sizeof(glm::vec3));
// blend in each coefficient
for (unsigned int j = 0; j < _blendshapeCoefficients.size(); j++) {
float coefficient = _blendshapeCoefficients[j];
if (coefficient == 0.0f || j >= (unsigned int)mesh.blendshapes.size() || mesh.blendshapes[j].vertices.isEmpty()) {
continue;
}
const float NORMAL_COEFFICIENT_SCALE = 0.01f;
float normalCoefficient = coefficient * NORMAL_COEFFICIENT_SCALE;
const glm::vec3* vertex = mesh.blendshapes[j].vertices.constData();
const glm::vec3* normal = mesh.blendshapes[j].normals.constData();
for (const int* index = mesh.blendshapes[j].indices.constData(),
*end = index + mesh.blendshapes[j].indices.size(); index != end; index++, vertex++, normal++) {
_blendedVertices[*index] += *vertex * coefficient;
_blendedNormals[*index] += *normal * normalCoefficient;
}
glBufferSubData(GL_ARRAY_BUFFER, 0, vertexCount * sizeof(glm::vec3), _blendedVertices.constData());
glBufferSubData(GL_ARRAY_BUFFER, vertexCount * sizeof(glm::vec3),
vertexCount * sizeof(glm::vec3), _blendedNormals.constData());
}
glBufferSubData(GL_ARRAY_BUFFER, 0, vertexCount * sizeof(glm::vec3), _blendedVertices.constData());
glBufferSubData(GL_ARRAY_BUFFER, vertexCount * sizeof(glm::vec3),
vertexCount * sizeof(glm::vec3), _blendedNormals.constData());
}
glVertexPointer(3, GL_FLOAT, 0, 0);
glNormalPointer(GL_FLOAT, 0, (void*)(vertexCount * sizeof(glm::vec3)));
@ -1126,14 +1036,13 @@ void Model::renderMeshes(float alpha, bool translucent) {
activeProgram->disableAttributeArray(tangentLocation);
}
if (state.worldSpaceVertices.isEmpty()) {
if (state.clusterMatrices.size() > 1) {
skinProgram->disableAttributeArray(skinLocations->clusterIndices);
skinProgram->disableAttributeArray(skinLocations->clusterWeights);
}
glPopMatrix();
}
if (state.clusterMatrices.size() > 1) {
skinProgram->disableAttributeArray(skinLocations->clusterIndices);
skinProgram->disableAttributeArray(skinLocations->clusterWeights);
}
glPopMatrix();
activeProgram->release();
}
}

3
interface/src/renderer/Model.h
View file

@ -219,9 +219,6 @@ protected:
class MeshState {
public:
QVector<glm::mat4> clusterMatrices;
QVector<glm::vec3> worldSpaceVertices;
QVector<glm::vec3> vertexVelocities;
QVector<glm::vec3> worldSpaceNormals;
};
QVector<MeshState> _meshStates;