Merge pull request #275 from clone2727/pegasus

Pegasus engine (The Journeyman Project: Pegasus Prime)

AUTHORS

@@ -141,6 +141,9 @@ ScummVM Team
     Parallaction:
        peres
 
+    Pegasus:
+       Matthew Hoops
+
     Queen:
        David Eriksson          - (retired)
        Gregory Montoir         - (retired)
@@ -621,3 +624,6 @@ Special thanks to
    Jan Nedoma for providing the sources to the Wintermute-engine, and for his
    support while porting the engine to ScummVM.
 
+   Bob Bell, Michel Kripalani, Tommy Yune, from Presto Studios for providing
+   the source code of The Journeyman Project: Pegasus Prime.
+

audio/decoders/aiff.h

@@ -23,6 +23,7 @@
 /**
  * @file
  * Sound decoder used in engines:
+ *  - pegasus
  *  - saga
  *  - sci
  *  - sword1

audio/decoders/quicktime.h

@@ -25,6 +25,7 @@
  * Sound decoder used in engines:
  *  - groovie
  *  - mohawk
+ *  - pegasus
  *  - sci
  */
 

backends/events/sdl/sdl-events.cpp

@@ -191,6 +191,8 @@ void SdlEventSource::SDLModToOSystemKeyFlags(SDLMod mod, Common::Event &event) {
 #endif
 	if (mod & KMOD_CTRL)
 		event.kbd.flags |= Common::KBD_CTRL;
+	if (mod & KMOD_META)
+		event.kbd.flags |= Common::KBD_META;
 
 	// Sticky flags
 	if (mod & KMOD_NUM)

common/keyboard.h

@@ -224,12 +224,13 @@ enum {
 	KBD_CTRL  = 1 << 0,
 	KBD_ALT   = 1 << 1,
 	KBD_SHIFT = 1 << 2,
-	KBD_NON_STICKY = (KBD_CTRL|KBD_ALT|KBD_SHIFT),
+	KBD_META  = 1 << 3,
+	KBD_NON_STICKY = (KBD_CTRL|KBD_ALT|KBD_SHIFT|KBD_META),
 
 	// Sticky modifier flags
-	KBD_NUM   = 1 << 3,
-	KBD_CAPS  = 1 << 4,
-	KBD_SCRL  = 1 << 5,
+	KBD_NUM   = 1 << 4,
+	KBD_CAPS  = 1 << 5,
+	KBD_SCRL  = 1 << 6,
 	KBD_STICKY = (KBD_NUM|KBD_CAPS|KBD_SCRL)
 
 };

common/macresman.cpp

@@ -124,7 +124,7 @@ bool MacResManager::open(String filename) {
 	File *file = new File();
 
 	// First, let's try to see if the Mac converted name exists
-	if (file->open("._" + filename) && loadFromAppleDouble(*file)) {
+	if (file->open(constructAppleDoubleName(filename)) && loadFromAppleDouble(*file)) {
 		_baseFileName = filename;
 		return true;
 	}
@@ -185,7 +185,7 @@ bool MacResManager::open(FSNode path, String filename) {
 #endif
 
 	// First, let's try to see if the Mac converted name exists
-	FSNode fsNode = path.getChild("._" + filename);
+	FSNode fsNode = path.getChild(constructAppleDoubleName(filename));
 	if (fsNode.exists() && !fsNode.isDirectory()) {
 		SeekableReadStream *stream = fsNode.createReadStream();
 		if (loadFromAppleDouble(*stream)) {
@@ -253,7 +253,7 @@ bool MacResManager::exists(const String &filename) {
 		return true;
 
 	// Check if we have an AppleDouble file
-	if (tempFile.open("._" + filename) && tempFile.readUint32BE() == 0x00051607)
+	if (tempFile.open(constructAppleDoubleName(filename)) && tempFile.readUint32BE() == 0x00051607)
 		return true;
 
 	return false;
@@ -574,4 +574,20 @@ void MacResManager::readMap() {
 	}
 }
 
+Common::String MacResManager::constructAppleDoubleName(Common::String name) {
+	// Insert "._" before the last portion of a path name
+	for (int i = name.size() - 1; i >= 0; i--) {
+		if (i == 0) {
+			name.insertChar('_', 0);
+			name.insertChar('.', 0);
+		} else if (name[i] == '/') {
+			name.insertChar('_', i + 1);
+			name.insertChar('.', i + 1);
+			break;
+		}
+	}
+
+	return name;
+}
+
 } // End of namespace Common

common/macresman.h

@@ -25,6 +25,7 @@
  * Macintosh resource fork manager used in engines:
  * - groovie
  * - mohawk
+ * - pegasus
  * - sci
  * - scumm
  */
@@ -175,6 +176,8 @@ class MacResManager {
 	bool loadFromMacBinary(SeekableReadStream &stream);
 	bool loadFromAppleDouble(SeekableReadStream &stream);
 
+	static Common::String constructAppleDoubleName(Common::String name);
+
 	enum {
 		kResForkNone = 0,
 		kResForkRaw,

common/rational.h

@@ -80,6 +80,9 @@ class Rational {
 	double toDouble() const;
 	frac_t toFrac() const;
 
+	int getNumerator() const { return _num; }
+	int getDenominator() const { return _denom; }
+
 	void debugPrint(int debuglevel = 0, const char *caption = "Rational:") const;
 
 private:

common/rect.h

@@ -169,6 +169,20 @@ struct Rect {
 		return (left < r.right) && (r.left < right) && (top < r.bottom) && (r.top < bottom);
 	}
 
+	/**
+	 * Find the intersecting rectangle between this rectangle and the given rectangle
+	 *
+	 * @param r the intersecting rectangle
+	 *
+	 * @return the intersection of the rectangles or an empty rectangle if not intersecting
+	 */
+	Rect findIntersectingRect(const Rect &r) const {
+		if (!intersects(r))
+			return Rect();
+
+		return Rect(MAX(r.left, left), MAX(r.top, top), MIN(r.right, right), MIN(r.bottom, bottom));
+	}
+
 	/**
 	 * Extend this rectangle so that it contains r
 	 *

devtools/credits.pl

@@ -616,6 +616,10 @@ sub add_paragraph {
 				add_person("", "peres", "");
 			end_section();
 
+			begin_section("Pegasus");
+				add_person("Matthew Hoops", "clone2727", "");
+			end_section();
+
 			begin_section("Queen");
 				add_person("David Eriksson", "twogood", "(retired)");
 				add_person("Gregory Montoir", "cyx", "(retired)");
@@ -1153,6 +1157,10 @@ sub add_paragraph {
     "Jan Nedoma for providing the sources to the Wintermute-engine, and for his ".
     "support while porting the engine to ScummVM.");
 
+	add_paragraph(
+    "Bob Bell, Michel Kripalani, Tommy Yune, from Presto Studios for ".
+    "providing the source code of The Journeyman Project: Pegasus Prime.");
+
 	end_section();
 
 end_credits();

engines/configure.engines

@@ -28,6 +28,7 @@ add_engine cstime "Where in Time is Carmen Sandiego?" no
 add_engine riven "Riven: The Sequel to Myst" no
 add_engine myst "Myst" no
 add_engine parallaction "Parallaction" yes
+add_engine pegasus "The Journeyman Project: Pegasus Prime" no
 add_engine queen "Flight of the Amazon Queen" yes
 add_engine saga "SAGA" yes "ihnm saga2" "ITE"
 add_engine ihnm "IHNM" yes

engines/engines.mk

@@ -130,6 +130,11 @@ DEFINES += -DENABLE_PARALLACTION=$(ENABLE_PARALLACTION)
 MODULES += engines/parallaction
 endif
 
+ifdef ENABLE_PEGASUS
+DEFINES += -DENABLE_PEGASUS=$(ENABLE_PEGASUS)
+MODULES += engines/pegasus
+endif
+
 ifdef ENABLE_QUEEN
 DEFINES += -DENABLE_QUEEN=$(ENABLE_QUEEN)
 MODULES += engines/queen

engines/pegasus/ai/ai_action.cpp

@@ -0,0 +1,78 @@
+/* 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.
+ *
+ * Additional copyright for this file:
+ * Copyright (C) 1995-1997 Presto Studios, Inc.
+ *
+ * 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.
+ *
+ */
+
+#include "pegasus/ai/ai_action.h"
+#include "pegasus/ai/ai_area.h"
+
+namespace Pegasus {
+
+AICompoundAction::~AICompoundAction() {
+	for (AIActionList::iterator it = _compoundActions.begin(); it != _compoundActions.end(); it++)
+		delete *it;
+}
+
+void AICompoundAction::performAIAction(AIRule *rule) {
+	for (AIActionList::iterator it = _compoundActions.begin(); it != _compoundActions.end(); it++)
+		(*it)->performAIAction(rule);
+}
+
+AIPlayMessageAction::AIPlayMessageAction(const Common::String &movieName, bool keepLastFrame, const InputBits interruptionFilter) {
+	_movieName = movieName;
+	_keepLastFrame = keepLastFrame;
+	_interruptionFilter = interruptionFilter;
+}
+
+void AIPlayMessageAction::performAIAction(AIRule *) {
+	if (g_AIArea) {
+		g_AIArea->checkMiddleArea();
+		g_AIArea->playAIMovie(kRightAreaSignature, _movieName, _keepLastFrame, _interruptionFilter);
+	}
+}
+
+AIStartTimerAction::AIStartTimerAction(AITimerCondition *timerCondition) {
+	_timerCondition = timerCondition;
+}
+
+void AIStartTimerAction::performAIAction(AIRule *) {
+	_timerCondition->startTimer();
+}
+
+AIActivateRuleAction::AIActivateRuleAction(AIRule *rule) {
+	_rule = rule;
+}
+
+void AIActivateRuleAction::performAIAction(AIRule *) {
+	_rule->activateRule();
+}
+
+AIDeactivateRuleAction::AIDeactivateRuleAction(AIRule *rule) {
+	_rule = rule;
+}
+
+void AIDeactivateRuleAction::performAIAction(AIRule *) {
+	_rule->deactivateRule();
+}
+
+} // End of namespace Pegasus