itsmattkc
e3fdb96281
NodeInputArray has to work a certain way internally, but it can still provide array-like convenience functions to the rest of the program.
145 lines
3.3 KiB
C++
145 lines
3.3 KiB
C++
#include "inputarray.h"
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#include "node.h"
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NodeInputArray::NodeInputArray(const QString &id) :
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NodeInput(id)
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{
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}
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int NodeInputArray::GetSize() const
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{
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return sub_params_.size();
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}
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void NodeInputArray::Prepend()
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{
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InsertAt(0);
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}
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void NodeInputArray::SetSize(int size)
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{
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int old_size = GetSize();
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if (size == old_size) {
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return;
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}
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if (size < old_size) {
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// If the new size is less, delete all extraneous parameters
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for (int i=size;i<old_size;i++) {
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delete sub_params_.at(i);
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}
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}
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sub_params_.resize(size);
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if (size > old_size) {
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// If the new size is greater, create valid parameters for each slot
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for (int i=old_size;i<size;i++) {
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QString sub_id = id();
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sub_id.append(QString::number(i));
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Q_ASSERT(!parentNode()->HasParamWithID(sub_id));
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NodeInput* new_param = new NodeInput(sub_id);
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new_param->setParent(this);
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sub_params_.replace(i, new_param);
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connect(new_param, SIGNAL(ValueChanged(rational, rational)), this, SIGNAL(ValueChanged(rational, rational)));
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connect(new_param, SIGNAL(EdgeAdded(NodeEdgePtr)), this, SIGNAL(EdgeAdded(NodeEdgePtr)));
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connect(new_param, SIGNAL(EdgeRemoved(NodeEdgePtr)), this, SIGNAL(EdgeRemoved(NodeEdgePtr)));
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}
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}
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emit SizeChanged(size);
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}
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int NodeInputArray::IndexOfSubParameter(NodeInput *input) const
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{
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return sub_params_.indexOf(input);
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}
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NodeInput *NodeInputArray::ParamAt(int index) const
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{
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return sub_params_.at(index);
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}
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void NodeInputArray::InsertAt(int index)
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{
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qDebug() << "Inserted at";
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// Add another input at the end
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Append();
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// Shift all connections from index down
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for (int i=sub_params_.size()-1;i>index;i--) {
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NodeInput* this_param = sub_params_.at(i);
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NodeInput* prev_param = sub_params_.at(i-1);
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if (this_param->IsConnected()) {
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// Disconnect whatever is at this parameter (presumably its connection has already been copied so we can just remove it)
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NodeParam::DisconnectEdge(this_param->edges().first());
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}
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if (prev_param->IsConnected()) {
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// Get edge here (only one since it's an input)
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NodeEdgePtr edge = prev_param->edges().first();
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// Disconnect it
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NodeParam::DisconnectEdge(edge);
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// Create a new edge between it and the next one down
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NodeParam::ConnectEdge(edge->output(),
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this_param);
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}
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}
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}
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void NodeInputArray::Append()
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{
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qDebug() << "Appended";
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SetSize(GetSize() + 1);
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}
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void NodeInputArray::RemoveLast()
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{
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qDebug() << "Removed last";
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SetSize(GetSize() - 1);
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}
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void NodeInputArray::RemoveAt(int index)
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{
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qDebug() << "Removed at";
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int limit = sub_params_.size() - 1;
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// Shift all connections from index down
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for (int i=index;i<limit;i++) {
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NodeInput* this_param = sub_params_.at(i);
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NodeInput* next_param = sub_params_.at(i + 1);
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if (this_param->IsConnected()) {
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// Disconnect current edge
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NodeParam::DisconnectEdge(this_param->edges().first());
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}
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if (next_param->IsConnected()) {
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// Get edge from next param
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NodeEdgePtr edge = next_param->edges().first();
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// Disconnect it
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NodeParam::DisconnectEdge(edge);
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// Reconnect it to this param
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NodeParam::ConnectEdge(edge->output(),
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this_param);
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}
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}
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RemoveLast();
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}
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