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engines/twine/parser/holomap.h

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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/>.
+ *
+ */
+
+#ifndef TWINE_PARSER_HOLOMAP_H
+#define TWINE_PARSER_HOLOMAP_H
+
+#include "common/memstream.h"
+#include "twine/parser/parser.h"
+
+namespace TwinE {
+
+enum HolomapVehicle {
+	FerryBoat = 31,
+	Motorbike = 33,
+	Car = 35,
+	FishingBoat = 37,
+	Catamaran = 39,
+	Hovercraft = 41,
+	Dino = 43,
+	ArmyBoat = 45,
+	HamalayiTransporter = 47
+};
+
+struct TrajectoryPos {
+	int16 x = 0;
+	int16 y = 0;
+};
+
+struct Trajectory {
+	int16 locationIdx = -1;
+	int16 trajLocationIdx = -1;
+	int16 vehicleIdx = -1;
+	IVec3 angle;
+	int16 numAnimFrames = 0;
+	TrajectoryPos positions[512];
+
+	bool isValid() const {
+		return locationIdx != -1;
+	}
+
+	/**
+	 * The HQR index of the vehicle model for the holomap
+	 * @note Multiplied by 2 because the model index is always followed by the corresponding animation index for that model
+	 */
+	int32 getModel() const {
+		return 2 * vehicleIdx + HolomapVehicle::FerryBoat;
+	}
+
+	int32 getAnimation() const {
+		return getModel() + 1;
+	}
+};
+
+class TrajectoryData : public Parser {
+private:
+	Common::Array<Trajectory> _trajectories;
+protected:
+	void reset() override;
+public:
+	bool loadFromStream(Common::SeekableReadStream &stream, bool lba1) override;
+
+	const Trajectory *getTrajectory(uint index) const {
+		if (index >= _trajectories.size()) {
+			return nullptr;
+		}
+		return &_trajectories[index];
+	}
+
+	const Common::Array<Trajectory> &getTrajectories() const {
+		return _trajectories;
+	}
+};
+
+} // End of namespace TwinE
+
+#endif