2021-12-26 21:19:38 +01:00

104 lines
3.1 KiB
C++

/* 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 "engines/stark/resources/camera.h"
#include "engines/stark/debug.h"
#include "engines/stark/formats/xrc.h"
#include "engines/stark/resources/location.h"
#include "engines/stark/scene.h"
#include "engines/stark/services/services.h"
namespace Stark {
namespace Resources {
Camera::~Camera() {
}
Camera::Camera(Object *parent, byte subType, uint16 index, const Common::String &name) :
Object(parent, subType, index, name),
_f1(0),
_fov(45),
_nearClipPlane(100.0),
_farClipPlane(64000.0) {
_type = TYPE;
}
void Camera::setClipPlanes(float near, float far) {
_nearClipPlane = near;
_farClipPlane = far;
}
void Camera::readData(Formats::XRCReadStream *stream) {
_position = stream->readVector3();
_lookDirection = stream->readVector3();
_f1 = stream->readFloatLE();
_fov = stream->readFloatLE();
_viewSize = stream->readRect();
_v4 = stream->readVector3();
}
void Camera::onAllLoaded() {
Object::onAllLoaded();
// Compute scroll coordinates bounds
Common::Point maxScroll;
maxScroll.x = _viewSize.width() - 640;
maxScroll.y = _viewSize.height() - 365;
Location *location = findParent<Location>();
location->initScroll(maxScroll);
}
void Camera::onEnterLocation() {
Object::onEnterLocation();
// Setup the camera
StarkScene->initCamera(_position, _lookDirection, _fov, _viewSize, _nearClipPlane, _farClipPlane);
// Scroll the camera to its initial position
Location *location = findParent<Location>();
location->setScrollPosition(location->getScrollPosition());
}
Math::Angle Camera::getHorizontalAngle() const {
Math::Angle lookDirectionAngle = Math::Vector3d::angle(_lookDirection, Math::Vector3d(1.0, 0.0, 0.0));
Math::Vector3d cross = Math::Vector3d::crossProduct(_lookDirection, Math::Vector3d(1.0, 0.0, 0.0));
if (cross.z() < 0) {
return -lookDirectionAngle;
} else {
return lookDirectionAngle;
}
}
void Camera::printData() {
Common::StreamDebug debug = streamDbg();
debug << "position: " << _position << "\n";
debug << "lookDirection: " << _lookDirection << "\n";
debug << "f1: " << _f1 << "\n";
debug << "fov: " << _fov << "\n";
debug << "viewSize:" << _viewSize.left << _viewSize.top << _viewSize.right << _viewSize.bottom << "\n";
debug << "v4: " << _v4 << "\n";
}
} // End of namespace Resources
} // End of namespace Stark