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https://github.com/libretro/scummvm.git
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65 lines
2.4 KiB
C++
65 lines
2.4 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_marker.h"
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namespace Tetraedge {
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TeMarker::TeMarker() : _visible(true), _isActive(false), _zLoc(0) {
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}
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void TeMarker::active(bool val) {
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_isActive = val;
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_button.setVisible(_visible && val);
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}
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void TeMarker::update(TeCamera &camera) {
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_button.setVisible(true);
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if (!_visible)
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return;
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const TeVector3f32 transformLoc = camera.projectPoint3f32(_loc);
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const TeVector3f32 btnSize = _button.size();
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_button.setPositionType(TeILayout::ABSOLUTE);
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float vpWidth = camera.getViewportWidth();
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float vpHeight = camera.getViewportHeight();
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if (transformLoc.z() < 1.0f) {
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// Behind the camera, move off-screen.
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_button.setPosition(TeVector3f32(-btnSize.x() - vpWidth / 2, -btnSize.y() - vpHeight / 2, _zLoc));
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} else {
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TeVector3f32 buttonMiddle(transformLoc.x() - btnSize.x() / 2 - vpWidth / 2, transformLoc.y() - btnSize.y() / 2 - vpHeight / 2, _zLoc);
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// Note: device rotation is taken account of here in original, skip that.
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// Original also uses scales 480 and 320, but that makes it too small
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// in HD.
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//TeVector3f32 newScale(480.0f / vpWidth, 320.0f / vpHeight, 1.0);
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//_button.setScale(newScale);
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_button.setPosition(TeVector3f32(buttonMiddle.x(), buttonMiddle.y(), buttonMiddle.z()));
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/*debug("Updated button pos to %s (transformed %s middle %s)", _button.position().dump().c_str(), transformLoc.dump().c_str(), buttonMiddle.dump().c_str());*/
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}
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}
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void TeMarker::visible(bool vis) {
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_visible = vis;
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bool buttonVis = (vis && _isActive);
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_button.setVisible(buttonVis);
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}
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} // end namespace Tetraedge
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