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engines/mm/mm1/maps/maps.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 MM1_MAPS_MAPS_H
+#define MM1_MAPS_MAPS_H
+
+#include "common/array.h"
+#include "common/rect.h"
+#include "graphics/managed_surface.h"
+#include "mm/mm1/maps/map.h"
+
+namespace MM {
+namespace MM1 {
+namespace Maps {
+
+enum TownId {
+	NO_TOWN = 0, SORPIGAL = 1, PORTSMITH = 2,
+	ALGARY = 3, DUSK = 4, ERLIQUIN = 5
+};
+
+enum DirMask {
+	DIRMASK_N = 0xC0, DIRMASK_E = 0x30,
+	DIRMASK_S = 0xC, DIRMASK_W = 3
+};
+
+enum StateFlag {
+	SFLAG_SPELLS_DISALLOWED = 2
+};
+
+enum Visited {
+	VISITED_NONE = 0, VISITED_NORMAL = 1, VISITED_SPECIAL = 2,
+	VISITED_EXIT = 3, VISITED_BUSINESS = 4	
+};
+
+/**
+ * Container for all the game maps
+ */
+class Maps {
+	friend class Map;
+private:
+	Common::Array<Map *> _maps;
+	uint16 _id = 0;
+	uint8 _section = 0;
+private:
+	/**
+	 * Gets the index of a map given the id values
+	 */
+	uint getIndex(uint16 id, byte section);
+
+	/**
+	 * Load a map
+	 */
+	void load(uint mapId);
+
+	/**
+	 * Loads tile graphics needed for rendering the 3d view
+	 */
+	void loadTiles();
+	void loadTile();
+
+	/**
+	 * Town setup for SORPIGAL & ERLIQUIN
+	 */
+	void town15setup();
+
+	/**
+	 * Town setup for PORTSMITH and ALGARY
+	 */
+	void town23setup();
+
+	/**
+	 * Town setup for DUSK
+	 */
+	void town4setup();
+
+	/**
+	 * Updates masks/offsets based on _forwardMask
+	 */
+	void updateMasksOffsets();
+
+public:
+	Common::Array<Graphics::ManagedSurface> _tiles[3];
+	uint _mapId = (uint)-1;
+	Common::Point _mapPos;
+	uint _mapOffset = 0;
+	Map *_currentMap = nullptr;
+	byte _currentWalls = 0;
+	byte _currentState = 0;
+	int _colorOffset = 0;
+
+	DirMask _forwardMask = DIRMASK_N,
+		_leftMask = DIRMASK_W,
+		_rightMask = DIRMASK_E,
+		_backwardsMask = DIRMASK_S;
+	int8 _forwardOffset = 0, _leftOffset = 0;
+	int8 _rightOffset = 0, _backwardsOffset = 0;
+	int _loadId = 0;
+	int _loadArea = 0;
+	int _loadSection = 0;
+	byte _loadFlag = 0;
+public:
+	Maps();
+	~Maps();
+
+	/**
+	 * Loads or saves map data
+	 */
+	void synchronize(Common::Serializer &s);
+
+	/**
+	 * Loads or saves the current map info
+	 */
+	void synchronizeCurrent(Common::Serializer &s);
+
+	/**
+	 * Selects a map
+	 */
+	void select(uint16 id, byte section);
+
+	/**
+	 * Selects a map, and switches to in-game display
+	 */
+	void display(uint16 id, byte section = 1);
+
+	/**
+	 * Loads a town
+	 */
+	void loadTown(TownId townId);
+
+	/**
+	 * Get a given map
+	 */
+	Map *getMap(uint mapId) const { return _maps[mapId]; }
+
+	/**
+	 * Turn left
+	 */
+	void turnLeft();
+
+	/**
+	 * Turn right
+	 */
+	void turnRight();
+
+	/**
+	 * Turn around
+	 */
+	void turnAround();
+
+	/**
+	 * Move a step
+	 */
+	void step(const Common::Point &delta);
+
+	/**
+	 * Called when a map is left to load a new one
+	 * and trigger the 3d view to update
+	 */
+	void changeMap(uint16 id, byte section);
+
+	/**
+	 * Mark a tile as visited
+	 */
+	void visitedTile();
+
+	/**
+	 * Disables the special state of the current cell
+	 * This is primiarily used for disabling cells
+	 * that trigger combat after the first time
+	 */
+	void clearSpecial();
+
+	/**
+	 * Gets the moveement delta given a direction mask
+	 */
+	static Common::Point getMoveDelta(byte mask);
+};
+
+} // namespace Maps
+
+extern Maps::Maps *g_maps;
+
+} // namespace MM1
+} // namespace MM
+
+#endif