1 files changed, 117 insertions, 0 deletions
diff --git a/engines/m4/actor.h b/engines/m4/actor.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 2
+ * 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, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * $URL$
+ * $Id$
+ *
+ */
+
+#ifndef M4_ACTOR_H
+#define M4_ACTOR_H
+
+#include "common/array.h"
+
+#include "m4/m4.h"
+#include "m4/scene.h"
+#include "m4/graphics.h"
+#include "m4/assets.h"
+
+namespace M4 {
+
+struct InventoryObject {
+	const char* name;
+	int32 scene;
+	int32 icon;
+};
+
+enum inventoryObjectFlags {
+	UNKNOWN_OBJECT = 997,
+	BACKPACK = 998,
+	NOWHERE = 999
+};
+
+enum WalkerDirection {
+	kFacingNorth		= 1,	// has shadow
+	kFacingNorthEast	= 2,	// has shadow
+	kFacingEast			= 3,	// has shadow
+	kFacingSouthEast	= 4,	// has shadow
+	kFacingSouth		= 5,	// has shadow
+	// 6 is unused
+	kFacingSouthAlt		= 7,	// no shadow
+	kFacingSouthWest	= 8,	// no shadow
+	kFacingWest			= 9		// no shadow
+};
+
+class Actor {
+public:
+	Actor(M4Engine *vm);
+	~Actor();
+	void placeWalkerSpriteAt(int spriteNum, int x, int y);
+	void setWalkerScaling(int scaling) { _scaling = scaling; }
+	int getWalkerScaling() { return _scaling; }
+	void setWalkerDirection(uint8 direction) { _direction = direction; }
+	uint8 getWalkerDirection() { return _direction; }
+	void setWalkerPalette();
+	int getWalkerWidth();
+	int getWalkerHeight();
+private:
+	M4Engine *_vm;
+	int _scaling;
+	uint8 _direction;
+	Common::Array<SpriteAsset*> _walkerSprites;
+
+	void loadWalkers();
+	void loadWalkerDirection(uint8 direction);
+	void unloadWalkers();
+};
+
+// TODO: perhaps the inventory and its view could be merged?
+// TODO: the original game capitalizes all inventory object names
+// internally, which we do as well, but perhaps we could make sure
+// that all object names are parsed with the same case and avoid
+// case-insensitive string comparing through scumm_stricmp, using 
+// the normal strcmp method instead
+class Inventory {
+public:
+	Inventory(M4Engine *vm);
+	~Inventory();
+	void clear();
+	void registerObject(char* name, int32 scene, int32 icon);
+	void moveObject(char* name, int32 scene);
+	void giveToPlayer(char* name) { moveObject(name, BACKPACK); }
+	void addToBackpack(uint32 objectIndex);
+	void removeFromBackpack(uint32 objectIndex);
+	bool isInBackpack(char* name) { return (getScene(name) == BACKPACK); }
+	bool isInScene(char* name, int32 scene) { return (getScene(name) == scene); }
+	bool isInCurrentScene(char* name);
+	int getScene(char* name);
+	int getIcon(char* name);
+	int getIndex(char* name);
+	int getTotalItems() { return _inventory.size(); }
+
+private:
+	M4Engine *_vm;
+	Common::Array<InventoryObject *> _inventory;
+};
+
+} // End of namespace M4
+
+
+#endif