tornavis/source/blender/compositor/nodes/COM_TimeNode.cpp

60 lines
1.8 KiB
C++

/*
* Copyright 2011, Blender Foundation.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* Contributor:
* Jeroen Bakker
* Monique Dewanchand
*/
#include "COM_TimeNode.h"
#include "DNA_scene_types.h"
#include "COM_SetValueOperation.h"
#include "COM_ExecutionSystem.h"
extern "C" {
#include "BKE_colortools.h"
}
#include "BLI_utildefines.h"
TimeNode::TimeNode(bNode *editorNode): Node(editorNode)
{
}
void TimeNode::convertToOperations(ExecutionSystem *graph, CompositorContext * context)
{
SetValueOperation *operation = new SetValueOperation();
this->getOutputSocket(0)->relinkConnections(operation->getOutputSocket());
bNode *node = this->getbNode();
/* stack order output: fac */
float fac = 0.0f;
const int framenumber = context->getFramenumber();
if (framenumber < node->custom1) {
fac = 0.0f;
}
else if (framenumber > node->custom2) {
fac = 1.0f;
}
else if (node->custom1 < node->custom2) {
fac = (context->getFramenumber() - node->custom1)/(float)(node->custom2-node->custom1);
}
fac = curvemapping_evaluateF((CurveMapping*)node->storage, 0, fac);
operation->setValue(CLAMPIS(fac, 0.0f, 1.0f));
graph->addOperation(operation);
}