Plug in Puzzle. Now it consists mainly of stubs but neverthless lets skip

the Puzzle and continue game pretending like you completed the Puzzle.

svn-id: r18225

14 files changed, 179 insertions, 25 deletions

diff --git a/saga/actor.cpp b/saga/actor.cpp
index 25d4156aa3..26005fc222 100644
--- a/saga/actor.cpp
+++ b/saga/actor.cpp
@@ -1298,13 +1298,19 @@ void Actor::drawActors() {
 		}
 	}
 
-// draw speeches
+	drawSpeech();
+}
+
+void Actor::drawSpeech(void) {
 	if (isSpeaking() && _activeSpeech.playing && !_vm->_script->_skipSpeeches) {
 		int i;
 		int textDrawFlags;
 		char oneChar[2];
 		oneChar[1] = 0;
 		const char *outputString;
+		SURFACE *back_buf;
+
+		back_buf = _vm->_gfx->getBackBuffer();
 
 		if (_activeSpeech.speechFlags & kSpeakSlow) {
 			outputString = oneChar;
diff --git a/saga/actor.h b/saga/actor.h
index d1d53e73d7..d2ddd00d3f 100644
--- a/saga/actor.h
+++ b/saga/actor.h
@@ -471,6 +471,8 @@ public:
 	void drawActors();
 	void updateActorsScene(int actorsEntrance);			// calls from scene loading to update Actors info
 
+	void drawSpeech();
+
 	void drawPathTest();
 
 	uint16 hitTest(const Point &testPoint, bool skipProtagonist);
diff --git a/saga/interface.cpp b/saga/interface.cpp
index f946b2b489..5ef8e0357b 100644
--- a/saga/interface.cpp
+++ b/saga/interface.cpp
@@ -30,6 +30,7 @@
 #include "saga/font.h"
 #include "saga/objectmap.h"
 #include "saga/itedata.h"
+#include "saga/puzzle.h"
 #include "saga/rscfile_mod.h"
 #include "saga/scene.h"
 #include "saga/script.h"
@@ -302,7 +303,8 @@ bool Interface::processKeyCode(int keyCode) {
 		switch (keyCode) {
 		case 'x':
 			setMode(kPanelMain);
-			// FIXME: puzzle
+			if (_vm->_puzzle->isActive())
+				_vm->_puzzle->exitPuzzle();
 			break;
 
 		case 'u':
@@ -1124,7 +1126,8 @@ void Interface::converseSetPos(int key) {
 
 	_vm->_script->finishDialog(ct->replyId, ct->replyFlags, ct->replyBit);
 
-	// FIXME: TODO: Puzzle
+	if (_vm->_puzzle->isActive())
+		_vm->_puzzle->handleReply(ct->replyId);
 
 	_conversePos = -1;
 }
diff --git a/saga/module.mk b/saga/module.mk
index adbb632b66..8a358f7a21 100644
--- a/saga/module.mk
+++ b/saga/module.mk
@@ -16,6 +16,7 @@ MODULE_OBJS := \
 	saga/ite_introproc.o \
 	saga/itedata.o \
 	saga/objectmap.o \
+	saga/puzzle.o \
 	saga/palanim.o \
 	saga/render.o \
 	saga/rscfile.o \
diff --git a/saga/puzzle.cpp b/saga/puzzle.cpp
new file mode 100644
index 0000000000..7756931f63
--- /dev/null
+++ b/saga/puzzle.cpp
@@ -0,0 +1,68 @@
+/* ScummVM - Scumm Interpreter
+ * Copyright (C) 2005 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ *
+ * $Header$
+ *
+ */
+
+#include "saga/saga.h"
+
+#include "saga/interface.h"
+#include "saga/scene.h"
+#include "saga/puzzle.h"
+#include "saga/resnames.h"
+
+#include "common/timer.h"
+
+namespace Saga {
+
+Puzzle::Puzzle(SagaEngine *vm) : _vm(vm), _solved(false), _active(false) {
+}
+
+void Puzzle::execute(void) {
+	_active = true;
+	Common::g_timer->installTimerProc(&hintTimerCallback, ticksToMSec(30), this);
+
+	_solved = true; // Cheat
+	exitPuzzle();
+}
+
+void Puzzle::exitPuzzle(void) {
+	_active = false;
+
+	Common::g_timer->removeTimerProc(&hintTimerCallback);
+
+	_vm->_scene->changeScene(ITE_SCENE_LODGE, 0, kTransitionNoFade);
+	_vm->_interface->setMode(kPanelMain);
+}
+
+
+void Puzzle::hintTimerCallback(void *refCon) {                                   
+        ((Puzzle *)refCon)->hintTimer();                                         
+}                                                                               
+
+void Puzzle::hintTimer(void) {
+}
+
+void Puzzle::handleReply(int reply) {
+}
+
+void Puzzle::movePiece(Point mousePt) {
+}
+
+
+} // End of namespace Saga
diff --git a/saga/puzzle.h b/saga/puzzle.h
new file mode 100644
index 0000000000..f857f5b969
--- /dev/null
+++ b/saga/puzzle.h
@@ -0,0 +1,55 @@
+/* ScummVM - Scumm Interpreter
+ * Copyright (C) 2005 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ *
+ * $Header$
+ *
+ */
+
+#ifndef SAGA_PUZZLE_H_
+#define SAGA_PUZZLE_H_
+
+namespace Saga {
+
+class Puzzle {
+private:
+	SagaEngine *_vm;
+
+	bool _solved;
+	bool _active;
+
+public:
+	Puzzle(SagaEngine *vm);
+
+	void execute(void);
+	void exitPuzzle(void);
+
+	bool isSolved(void) { return _solved; }
+	bool isActive(void) { return _active; }
+
+	void handleReply(int reply);
+
+	void movePiece(Point mousePt);
+
+private:
+	static void hintTimerCallback(void *refCon);
+
+	void hintTimer(void);
+};
+
+} // End of namespace Saga
+
+#endif
diff --git a/saga/render.cpp b/saga/render.cpp
index 7410e7f3a4..6276402694 100644
--- a/saga/render.cpp
+++ b/saga/render.cpp
@@ -24,16 +24,15 @@
 // Main rendering loop
 #include "saga/saga.h"
 
-#include "saga/gfx.h"
 #include "saga/actor.h"
 #include "saga/font.h"
+#include "saga/gfx.h"
 #include "saga/interface.h"
-#include "saga/scene.h"
-#include "saga/text.h"
-
 #include "saga/objectmap.h"
-
+#include "saga/puzzle.h"
 #include "saga/render.h"
+#include "saga/scene.h"
+#include "saga/text.h"
 
 #include "common/timer.h"
 #include "common/system.h"
@@ -119,6 +118,12 @@ int Render::drawScene() {
 		if (_vm->_interface->getMode() != kPanelFade) {
 			// Draw queued actors
 			_vm->_actor->drawActors();
+
+			if (_vm->_puzzle->isActive()) {
+				_vm->_puzzle->movePiece(mouse_pt);
+				_vm->_actor->drawSpeech();
+			}
+
 			if (getFlags() & RF_OBJECTMAP_TEST) {
 				if (_vm->_scene->_objectMap)
 					_vm->_scene->_objectMap->draw(backbuf_surface, mouse_pt, kITEColorBrightWhite, kITEColorBlack);
diff --git a/saga/resnames.h b/saga/resnames.h
index 10a236b8a8..a4aee1dcba 100644
--- a/saga/resnames.h
+++ b/saga/resnames.h
@@ -45,6 +45,8 @@ namespace Saga {
 
 // SCENES
 #define ITE_SCENE_INV -1
+#define ITE_SCENE_PUZZLE 26
+#define ITE_SCENE_LODGE 21
 
 #define ITE_DEFAULT_SCENE 32
 #define IHNM_DEFAULT_SCENE 152
diff --git a/saga/saga.cpp b/saga/saga.cpp
index fc7fcbad85..4695016518 100644
--- a/saga/saga.cpp
+++ b/saga/saga.cpp
@@ -44,6 +44,7 @@
 #include "saga/font.h"
 #include "saga/interface.h"
 #include "saga/isomap.h"
+#include "saga/puzzle.h"
 #include "saga/script.h"
 #include "saga/scene.h"
 #include "saga/sndres.h"
@@ -138,6 +139,7 @@ SagaEngine::SagaEngine(GameDetector *detector, OSystem *syst)
 	_render = NULL;
 	_music = NULL;
 	_sound = NULL;
+	_puzzle = NULL;
 
 
 	// The Linux version of Inherit the Earth puts all data files in an
@@ -170,6 +172,7 @@ SagaEngine::~SagaEngine() {
 		_scene->endScene();
 	}
 
+	delete _puzzle;
 	delete _sndRes;
 	delete _events;
 	delete _font;
@@ -234,6 +237,7 @@ int SagaEngine::init(GameDetector &detector) {
 	_palanim = new PalAnim(this);
 	_scene = new Scene(this);
 	_isoMap = new IsoMap(this);
+	_puzzle = new Puzzle(this);
 
 	if (!_scene->initialized()) {
 		warning("Couldn't initialize scene module");
@@ -245,7 +249,7 @@ int SagaEngine::init(GameDetector &detector) {
 	_previousTicks = _system->getMillis();
 
 	// Initialize graphics
-	_gfx = new Gfx(_system, _vm->getDisplayWidth(), _vm->getDisplayHeight(), detector);
+	_gfx = new Gfx(_system, getDisplayWidth(), getDisplayHeight(), detector);
 
 	// Graphics driver should be initialized before console
 	_console = new Console(this);
@@ -319,10 +323,14 @@ int SagaEngine::go() {
 				msec = MAX_TIME_DELTA;
 			}
 
-			if (!_vm->_scene->isInDemo() && getGameType() == GType_ITE)
-				if (_vm->_interface->getMode() == kPanelMain ||
-						 _vm->_interface->getMode() == kPanelConverse ||
-						 _vm->_interface->getMode() == kPanelNull)
+			// Since Puzzle is actorless, we do it here
+			if (_puzzle->isActive())
+				_actor->handleSpeech(msec);
+
+			if (!_scene->isInDemo() && getGameType() == GType_ITE)
+				if (_interface->getMode() == kPanelMain ||
+						 _interface->getMode() == kPanelConverse ||
+						 _interface->getMode() == kPanelNull)
 					_actor->direct(msec);
 
 			_events->handleEvents(msec);
@@ -383,8 +391,8 @@ const char *SagaEngine::getObjectName(uint16 objectId) {
 		return _actor->_actorsStrings.getString(actor->nameIndex);
 		break;
 	case kGameObjectHitZone:
-		hitZone = _vm->_scene->_objectMap->getHitZone(objectIdToIndex(objectId));
-		return _vm->_scene->_sceneStrings.getString(hitZone->getNameIndex());
+		hitZone = _scene->_objectMap->getHitZone(objectIdToIndex(objectId));
+		return _scene->_sceneStrings.getString(hitZone->getNameIndex());
 	}
 	warning("SagaEngine::getObjectName name not found for 0x%X", objectId);
 	return NULL;
@@ -392,7 +400,7 @@ const char *SagaEngine::getObjectName(uint16 objectId) {
 
 const char *SagaEngine::getTextString(int textStringId) {
 	const char *string;
-	int lang = _vm->getFeatures() & GF_LANG_DE ? 1 : 0;
+	int lang = getFeatures() & GF_LANG_DE ? 1 : 0;
 
 	string = interfaceTextStrings[lang][textStringId];
 	if (!string)
diff --git a/saga/saga.h b/saga/saga.h
index fa417eb404..5e2db072bd 100644
--- a/saga/saga.h
+++ b/saga/saga.h
@@ -55,6 +55,7 @@ class Interface;
 class Console;
 class Events;
 class PalAnim;
+class Puzzle;
 
 #define MIN_IMG_RLECODE    3
 #define MODEX_SCANLINE_LIMIT 200
@@ -482,6 +483,7 @@ public:
 	Console *_console;
 	Events *_events;
 	PalAnim *_palanim;
+	Puzzle *_puzzle;
 
 
 	/** Random number generator */
diff --git a/saga/scene.cpp b/saga/scene.cpp
index 33eec23349..0464618c50 100644
--- a/saga/scene.cpp
+++ b/saga/scene.cpp
@@ -32,6 +32,7 @@
 #include "saga/isomap.h"
 #include "saga/objectmap.h"
 #include "saga/palanim.h"
+#include "saga/puzzle.h"
 #include "saga/render.h"
 #include "saga/rscfile_mod.h"
 #include "saga/script.h"
@@ -620,9 +621,12 @@ void Scene::loadScene(LoadSceneParams *loadSceneParams) {
 
 	// We probably don't want "followers" to go into scene -1 , 0. At the very
 	// least we don't want garbage to be drawn that early in the ITE intro.
-	if (_sceneNumber > 0)
+	if (_sceneNumber > 0 && _sceneNumber != ITE_SCENE_PUZZLE)
 		_vm->_actor->updateActorsScene(loadSceneParams->actorsEntrance);
 
+	if (_sceneNumber == ITE_SCENE_PUZZLE)
+		_vm->_puzzle->execute();
+
 	if (_sceneDescription.flags & kSceneFlagShowCursor)
 		_vm->_interface->activate();
 
diff --git a/saga/scene.h b/saga/scene.h
index d16fc4573b..f92661bb04 100644
--- a/saga/scene.h
+++ b/saga/scene.h
@@ -120,7 +120,7 @@ struct SceneEntryList {
 
 	const SceneEntry * getEntry(int index) {
 		if ((index < 0) || (index >= entryListCount)) {
-			error("SceneEntryList::getEntry wrong index");
+			error("SceneEntryList::getEntry wrong index (%d)", index);
 		}
 		return &entryList[index];
 	}
diff --git a/saga/script.h b/saga/script.h
index 1639249a57..04fd328101 100644
--- a/saga/script.h
+++ b/saga/script.h
@@ -530,7 +530,7 @@ private:
 	void SF_tossRif(SCRIPTFUNC_PARAMS);
 	void SF_showControls(SCRIPTFUNC_PARAMS);
 	void SF_showMap(SCRIPTFUNC_PARAMS);
-	void SF_puzzleWon(SCRIPTFUNC_PARAMS);
+	void sfPuzzleWon(SCRIPTFUNC_PARAMS);
 	void sfEnableEscape(SCRIPTFUNC_PARAMS);
 	void sfPlaySound(SCRIPTFUNC_PARAMS);
 	void SF_playLoopedSound(SCRIPTFUNC_PARAMS);
diff --git a/saga/sfuncs.cpp b/saga/sfuncs.cpp
index 751861018d..28d66f9947 100644
--- a/saga/sfuncs.cpp
+++ b/saga/sfuncs.cpp
@@ -34,6 +34,7 @@
 #include "saga/interface.h"
 #include "saga/music.h"
 #include "saga/itedata.h"
+#include "saga/puzzle.h"
 #include "saga/render.h"
 #include "saga/sound.h"
 #include "saga/sndres.h"
@@ -118,7 +119,7 @@ void Script::setupScriptFuncList(void) {
 		OPCODE(SF_tossRif),
 		OPCODE(SF_showControls),
 		OPCODE(SF_showMap),
-		OPCODE(SF_puzzleWon),
+		OPCODE(sfPuzzleWon),
 		OPCODE(sfEnableEscape),
 		OPCODE(sfPlaySound),
 		OPCODE(SF_playLoopedSound),
@@ -1501,11 +1502,8 @@ void Script::SF_showMap(SCRIPTFUNC_PARAMS) {
 }
 
 // Script function #68 (0x44)
-void Script::SF_puzzleWon(SCRIPTFUNC_PARAMS) {
-	for (int i = 0; i < nArgs; i++)
-		thread->pop();
-
-	debug(0, "STUB: SF_puzzleWon(), %d args", nArgs);
+void Script::sfPuzzleWon(SCRIPTFUNC_PARAMS) {
+	thread->_returnValue = _vm->_puzzle->isSolved();
 }
 
 // Script function #69 (0x45)