Initial commit

engines/stark/visual/prop.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/visual/prop.h"
+
+#include "engines/stark/formats/biffmesh.h"
+#include "engines/stark/gfx/driver.h"
+#include "engines/stark/gfx/texture.h"
+
+namespace Stark {
+
+VisualProp::VisualProp() :
+		Visual(TYPE),
+		_model(nullptr),
+		_texture(nullptr) {
+}
+
+VisualProp::~VisualProp() {
+	delete _model;
+	delete _texture;
+}
+
+void VisualProp::setModel(Formats::BiffMesh *model) {
+	assert(!_model);
+
+	_model = model;
+
+	const Common::Array<Formats::BiffMesh::Vertex> &vertices = _model->getVertices();
+	for (uint i = 0; i < vertices.size(); i++) {
+		_boundingBox.expand(vertices[i].position);
+	}
+}
+
+void VisualProp::setTexture(Gfx::TextureSet *texture) {
+	assert(!_texture);
+
+	_texture = texture;
+}
+
+Math::Matrix4 VisualProp::getModelMatrix(const Math::Vector3d& position, float direction) {
+	Math::Matrix4 posMatrix;
+	posMatrix.setPosition(position);
+
+	Math::Matrix4 rot1;
+	rot1.buildAroundX(90);
+
+	Math::Matrix4 rot2;
+	rot2.buildAroundY(270 - direction);
+
+	Math::Matrix4 modelTransform = _model->getTransform();
+
+	return posMatrix * rot1 * rot2 * modelTransform;
+}
+
+bool VisualProp::intersectRay(const Math::Ray &ray, const Math::Vector3d &position, float direction) {
+	Math::Matrix4 inverseModelMatrix = getModelMatrix(position, direction);
+	inverseModelMatrix.inverse();
+
+	// Build an object local ray from the world ray
+	Math::Ray localRay = ray;
+	localRay.transform(inverseModelMatrix);
+
+	return localRay.intersectAABB(_boundingBox);
+}
+
+} // End of namespace Stark