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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* 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 3 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, see <http://www.gnu.org/licenses/>.
*
*/
#include "tetraedge/te/te_model_vertex_animation.h"
#include "common/math.h"
namespace Tetraedge {
TeModelVertexAnimation::TeModelVertexAnimation() : _lastMillis(0.0f), _modelAnim(nullptr) {
_rot.fromAxisAndAngle(TeVector3f32(0.0f, 1.0f, 0.0f), (float)-M_PI_2);
}
void TeModelVertexAnimation::bind(TeIntrusivePtr<TeModel> &model) {
_model = model;
_lastMillis = 0.0f;
}
void TeModelVertexAnimation::destroy() {
_keydata.clear();
}
TeVector3f32 TeModelVertexAnimation::getKeyVertex(unsigned long keyno, uint vertexno) {
assert(keyno < _keydata.size());
const KeyData &data = _keydata[keyno];
assert(vertexno < data._vectors.size());
TeVector3f32 retval = data._vectors[vertexno];
if (!data._matricies.empty()) {
retval = data._matricies[vertexno] * retval;
retval.rotate(_rot);
}
return retval;
}
Common::Array<TeVector3f32> TeModelVertexAnimation::getVertices() {
Common::Array<TeVector3f32> lerpVtx;
if (_keydata.size() < 2)
return lerpVtx;
float frame = fmod((_lastMillis / 1000.0) * 30, _keydata[_keydata.size() - 1]._frame);
uint keyno = 0;
while (keyno < _keydata.size() - 1 && _keydata[keyno]._frame < frame)
keyno++;
lerpVtx.resize(_keydata[0]._vectors.size());
float prevFrame = _keydata[keyno]._frame;
float nextFrame = _keydata[keyno + 1]._frame;
float interp = (frame - nextFrame) / (nextFrame - prevFrame);
for (uint i = 0; i < _keydata[0]._vectors.size(); i++) {
const TeVector3f32 prevVector = getKeyVertex(keyno, i);
const TeVector3f32 nextVector = getKeyVertex(keyno + 1, i);
lerpVtx[i] = prevVector * (1.0 - interp) + nextVector * interp;
}
return lerpVtx;
}
bool TeModelVertexAnimation::load(Common::ReadStream &stream) {
error("TODO: implement TeModelVertexAnimation::load");
}
void TeModelVertexAnimation::save(Common::WriteStream &stream) const {
error("TODO: implement TeModelVertexAnimation::save");
}
void TeModelVertexAnimation::update(double millis) {
if (_keydata.empty())
return;
double lastMillis = _lastMillis;
double lastFrame = fmod((lastMillis / 1000.0) * 30.0, _keydata.back()._frame);
if (_modelAnim) {
int frame = _modelAnim->calcCurrentFrame(millis);
millis = (frame * 1000.0) / 30.0;
}
_lastMillis = millis;
double thisFrame = fmod((millis / 1000.0) * 30.0, _keydata.back()._frame);
if (lastFrame > thisFrame)
_onFinishedSignal.call();
}
} // end namespace Tetraedge
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