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engines/stark/resources/camera.cpp

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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 "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