Initial import of Parallaction engine

svn-id: r25083

1 files changed, 225 insertions, 0 deletions

diff --git a/engines/parallaction/zone.h b/engines/parallaction/zone.h
new file mode 100644
index 0000000000..761af51353
--- /dev/null
+++ b/engines/parallaction/zone.h
@@ -0,0 +1,225 @@
+/* ScummVM - Scumm Interpreter
+ * Copyright (C) 2006 The ScummVM project
+ *
+ * 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 PARALLACTION_ZONE_H
+#define PARALLACTION_ZONE_H
+
+#include "parallaction/defs.h"
+
+namespace Parallaction {
+
+enum ZoneTypes {
+	kZoneExamine	   = 1, 				// zone displays comment if activated
+	kZoneDoor		   = 2, 				// zone activated on click (after some walk if needed)
+	kZoneGet		   = 4, 				// for pickable items
+	kZoneMerge		   = 8, 				// tags items which can be merged in inventory
+	kZoneTaste		   = 0x10,				// NEVER USED
+	kZoneHear		   = 0x20,				// NEVER USED: they ran out of time before integrating sfx
+	kZoneFeel		   = 0x40,				// NEVER USED
+	kZoneSpeak		   = 0x80,				// tags NPCs the character can talk with
+	kZoneNone		   = 0x100, 			// used to prevent parsing on peculiar Animations
+	kZoneTrap		   = 0x200, 			// zone activated when character enters
+	kZoneYou		   = 0x400, 			// marks the character
+	kZoneCommand	   = 0x800
+};
+
+
+enum ZoneFlags {
+	kFlagsClosed		= 1,				// Zone: door is closed / switch is off
+	kFlagsActive		= 2,				// Zone/Animation: object is visible
+	kFlagsRemove		= 4,				// Zone/Animation: object is soon to be removed
+	kFlagsActing		= 8,				// Animation: script execution is active
+	kFlagsLocked		= 0x10, 			// Zone: door or switch cannot be toggled
+	kFlagsFixed 		= 0x20, 			// Zone: Zone item cannot be picked up
+	kFlagsNoName		= 0x40, 			// Zone with no name (used to prevent some kEvEnterZone events)
+	kFlagsNoMasked		= 0x80, 			// Animation is to be drawn ignoring z buffer
+	kFlagsLooping		= 0x100,			// Animation: script is to be executed repeatedly
+	kFlagsAdded 		= 0x200,			// NEVER USED in Nippon Safes
+	kFlagsCharacter 	= 0x400,			//
+	kFlagsNoWalk		= 0x800 			// Zone: character doesn't need to walk towards object to interact
+};
+
+
+
+
+struct Question {
+	char*		_text;
+	char*		_answers[5];
+	uint16		_mood;
+	uint16		_answer_moods[5];
+	union {
+		Question*	_questions[5];
+		char*		_names[5];
+	} _following;
+	Command*	_commands[5];
+	uint32		_noFlags[5];
+	uint32		_yesFlags[5];
+};
+
+struct GetData {	// size = 24
+	uint32			_icon;
+	StaticCnv		_cnv;
+	uint16			field_14;		// unused
+	uint16			field_16;		// unused
+};
+struct SpeakData {	// size = 36
+	char		_name[32];
+	Dialogue	*_dialogue;
+};
+struct ExamineData {	// size = 28
+	StaticCnv	_cnv;
+	uint16		_opBase;		   // unused
+	uint16		field_12;			// unused
+	char*		_description;
+	char*		_filename;
+};
+struct DoorData {	// size = 28
+	char*	_location;
+	Cnv 	_cnv;
+	byte*	_background;
+	Point	_startPos;
+	uint16	_startFrame;
+};
+struct HearData {	// size = 20
+	char		_name[20];
+};
+struct MergeData {	// size = 12
+	uint32	_obj1;
+	uint32	_obj2;
+	uint32	_obj3;
+};
+
+struct ZoneTypeData {
+	GetData 	*get;
+	SpeakData	*speak;
+	ExamineData *examine;
+	DoorData	*door;
+	HearData	*hear;
+	MergeData	*merge;
+};
+
+
+
+
+struct Zone {
+	Node			_node;
+	union {
+		Rect		_limits;		// for zones
+		struct {	// for animations
+			Point	_position;
+			Point	_oldposition;
+		} pos;
+	};
+	uint32			_type;
+	uint32			_flags;
+	char*			_name;
+	StaticCnv		_label;
+	uint16			field_2C;		// unused
+	uint16			field_2E;		// unused
+	ZoneTypeData	u;
+	Command 		*_commands;
+	Point			_moveTo;
+};
+
+struct LocalVariable {
+	int16		_value;
+	int16		_min;
+	int16		_max;
+};
+
+union LValue {
+	int16			_value;
+	int16*			_pvalue;
+	LocalVariable*	_local;
+};
+
+enum InstructionFlags {
+	kInstUsesLiteral	= 1,
+	kInstUsesLocal		= 2,
+	kInstMod			= 4,
+	kInstMaskedPut		= 8
+};
+
+struct Instruction {
+	Node	_node;
+	uint32	_index;
+	uint32	_flags;
+	union {
+		Animation	*_a;
+		Zone		*_z;
+		uint32		_index;
+		LValue		_loopCounter;
+	} _opBase;
+	LValue	_opA;
+	LValue	_opB;
+};
+
+
+struct Program {
+	Node			_node;
+	LocalVariable	*_locals;
+	uint16			_loopCounter;
+	Instruction 	*_ip;
+	Instruction 	*_loopStart;
+};
+
+
+
+struct Animation {
+	Zone		_zone;
+	Program 	*_program;
+	Cnv 		_cnv;
+	int16		_frame;
+	uint16		field_50;		// unused
+	int16		_z;
+	uint16		field_54;		// unused
+	uint16		field_56;		// unused
+	uint16		field_58;		// unused
+	uint16		field_5A;		// unused
+	uint16		field_5C;		// unused
+	uint16		field_5E;		// unused
+};
+
+extern Node _zones;
+extern Node _animations;
+
+
+Zone   *findZone(const char *name);
+uint16	runZone(Zone *z);
+void	dropItem(uint16 v);
+int16	pickupItem(Zone *z);
+
+void	parseZone(ArchivedFile *file, Node *list, char *name);
+void	parseZoneTypeBlock(ArchivedFile *file, Zone *z);
+
+Zone   *hitZone(uint32 type, uint16 x, uint16 y);
+uint16	checkDoor();
+
+
+Animation  *findAnimation(const char *name);
+void		loadProgram(Animation *, char *filename);
+int16		queryBackgroundLayer(int16 v);
+
+
+} // namespace Parallaction
+
+#endif