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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 "qdengine/qd_fwd.h"
#include "qdengine/xmath.h"
#include "qdengine/parser/xml_tag_buffer.h"
#include "qdengine/parser/qdscr_parser.h"
#include "qdengine/qdcore/qd_coords_animation_point.h"
namespace QDEngine {
const float qdCoordsAnimationPoint::NO_DIRECTION = -1.f;
qdCoordsAnimationPoint::qdCoordsAnimationPoint() : _pos(0, 0, 0),
_direction_angle(NO_DIRECTION) {
_path_length = _passed_path_length = 0.0f;
}
qdCoordsAnimationPoint::~qdCoordsAnimationPoint() {
}
void qdCoordsAnimationPoint::load_script(const xml::tag *p) {
for (xml::tag::subtag_iterator it = p->subtags_begin(); it != p->subtags_end(); ++it) {
switch (it->ID()) {
case QDSCR_DEST_POS:
xml::tag_buffer(*it) > _pos.x > _pos.y > _pos.z;
break;
case QDSCR_OBJECT_DIRECTION:
xml::tag_buffer(*it) > _direction_angle;
break;
}
}
}
bool qdCoordsAnimationPoint::save_script(Common::WriteStream &fh, int indent) const {
for (int i = 0; i < indent; i++) {
fh.writeString("\t");
}
fh.writeString("<coords_animation_point");
fh.writeString(Common::String::format(" dest_pos=\"%f %f %f\"", _pos.x, _pos.y, _pos.z));
if (_direction_angle >= 0.0f) {
fh.writeString(Common::String::format(" object_direction=\"%f\"", _direction_angle));
}
fh.writeString("/>\r\n");
return true;
}
void qdCoordsAnimationPoint::calc_path(const qdCoordsAnimationPoint &p, const Vect3f &shift) const {
Vect3f dr = _pos - shift - p.dest_pos();
_path_length = dr.norm();
}
float qdCoordsAnimationPoint::passed_path() const {
if (_path_length < 0.01f) return 1.0f;
return _passed_path_length / _path_length;
}
bool qdCoordsAnimationPoint::load_data(Common::SeekableReadStream &fh, int save_version) {
_path_length = fh.readFloatLE();
_passed_path_length = fh.readFloatLE();
return true;
}
bool qdCoordsAnimationPoint::save_data(Common::WriteStream &fh) const {
fh.writeFloatLE(_path_length);
fh.writeFloatLE(_passed_path_length);
return true;
}
} // namespace QDEngine
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