102 lines
3.1 KiB
C++
102 lines
3.1 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include "tetraedge/te/te_model_vertex_animation.h"
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namespace Tetraedge {
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TeModelVertexAnimation::TeModelVertexAnimation() : _lastMillis(0.0f), _modelAnim(nullptr) {
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_rot.fromAxisAndAngle(TeVector3f32(0.0f, 1.0f, 0.0f), (float)-M_PI_2);
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}
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void TeModelVertexAnimation::bind(TeIntrusivePtr<TeModel> &model) {
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_model = model;
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_lastMillis = 0.0f;
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}
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void TeModelVertexAnimation::destroy() {
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_keydata.clear();
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}
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TeVector3f32 TeModelVertexAnimation::getKeyVertex(uint keyno, uint vertexno) {
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assert(keyno < _keydata.size());
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const KeyData &data = _keydata[keyno];
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assert(vertexno < data._vectors.size());
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TeVector3f32 retval = data._vectors[vertexno];
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if (!data._matricies.empty()) {
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retval = data._matricies[vertexno] * retval;
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retval.rotate(_rot);
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}
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return retval;
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}
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Common::Array<TeVector3f32> TeModelVertexAnimation::getVertices() {
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Common::Array<TeVector3f32> lerpVtx;
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if (_keydata.size() < 2)
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return lerpVtx;
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float frame = fmod((_lastMillis / 1000.0) * 30, _keydata[_keydata.size() - 1]._frame);
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uint keyno = 0;
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while (keyno < _keydata.size() - 1 && _keydata[keyno]._frame < frame)
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keyno++;
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lerpVtx.resize(_keydata[0]._vectors.size());
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float prevFrame = _keydata[keyno]._frame;
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float nextFrame = _keydata[keyno + 1]._frame;
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float interp = (frame - nextFrame) / (nextFrame - prevFrame);
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for (uint i = 0; i < _keydata[0]._vectors.size(); i++) {
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const TeVector3f32 prevVector = getKeyVertex(keyno, i);
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const TeVector3f32 nextVector = getKeyVertex(keyno + 1, i);
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lerpVtx[i] = prevVector * (1.0 - interp) + nextVector * interp;
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}
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return lerpVtx;
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}
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bool TeModelVertexAnimation::load(Common::ReadStream &stream) {
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error("TODO: implement TeModelVertexAnimation::load");
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}
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void TeModelVertexAnimation::save(Common::WriteStream &stream) const {
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error("TODO: implement TeModelVertexAnimation::save");
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}
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void TeModelVertexAnimation::update(double millis) {
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if (_keydata.empty())
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return;
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double lastMillis = _lastMillis;
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double lastFrame = fmod((lastMillis / 1000.0) * 30.0, _keydata.back()._frame);
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if (_modelAnim) {
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int frame = _modelAnim->calcCurrentFrame(millis);
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millis = (frame * 1000.0) / 30.0;
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}
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_lastMillis = millis;
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double thisFrame = fmod((millis / 1000.0) * 30.0, _keydata.back()._frame);
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if (lastFrame > thisFrame)
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_onFinishedSignal.call();
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}
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} // end namespace Tetraedge
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