74 lines
1.8 KiB
C++
74 lines
1.8 KiB
C++
#include "transition.h"
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TransitionBlock::TransitionBlock() :
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connected_out_block_(nullptr),
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connected_in_block_(nullptr)
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{
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out_block_input_ = new NodeInput("out_block_in", NodeParam::kBuffer);
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out_block_input_->set_is_keyframable(false);
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connect(out_block_input_, &NodeParam::EdgeAdded, this, &TransitionBlock::BlockConnected);
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connect(out_block_input_, &NodeParam::EdgeRemoved, this, &TransitionBlock::BlockDisconnected);
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AddInput(out_block_input_);
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in_block_input_ = new NodeInput("in_block_in", NodeParam::kBuffer);
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in_block_input_->set_is_keyframable(false);
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connect(in_block_input_, &NodeParam::EdgeAdded, this, &TransitionBlock::BlockConnected);
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connect(in_block_input_, &NodeParam::EdgeRemoved, this, &TransitionBlock::BlockDisconnected);
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AddInput(in_block_input_);
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}
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Block::Type TransitionBlock::type() const
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{
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return kTransition;
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}
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NodeInput *TransitionBlock::out_block_input() const
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{
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return out_block_input_;
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}
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NodeInput *TransitionBlock::in_block_input() const
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{
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return in_block_input_;
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}
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void TransitionBlock::Retranslate()
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{
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out_block_input_->set_name(tr("From"));
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in_block_input_->set_name(tr("To"));
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}
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rational TransitionBlock::in_offset() const
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{
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return 0;
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}
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rational TransitionBlock::out_offset() const
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{
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return 0;
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}
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void TransitionBlock::BlockConnected(NodeEdgePtr edge)
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{
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if (!edge->output()->parentNode()->IsBlock()) {
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return;
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}
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Block* block = static_cast<Block*>(edge->output()->parentNode());
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if (edge->input() == out_block_input_) {
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connected_out_block_ = block;
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} else {
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connected_in_block_ = block;
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}
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}
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void TransitionBlock::BlockDisconnected(NodeEdgePtr edge)
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{
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if (edge->input() == out_block_input_) {
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connected_out_block_ = nullptr;
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} else {
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connected_in_block_ = nullptr;
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}
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}
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