Plop in some better disk switching code for CMI - I have no idea how well this will work transitioning from a disk1 room to a disk2

room in-game, but it works for bootparams and saved games..

svn-id: r6322

4 files changed, 45 insertions, 24 deletions

diff --git a/scumm/resource.cpp b/scumm/resource.cpp
index 9788207ff3..0d7d719848 100644
--- a/scumm/resource.cpp
+++ b/scumm/resource.cpp
@@ -27,9 +27,8 @@
 #include "scumm/sound.h"
 #include "common/map.h"
 #include "common/str.h"
-
-#include <stdio.h>
-
+#include "gui/message.h"
+#include "dialogs.h"
 
 uint16 newTag2Old(uint32 oldTag);
 
@@ -75,9 +74,11 @@ void Scumm::openRoom(int room)
 		}
 		if (!(_features & GF_SMALL_HEADER)) {
 
-			if (_features & GF_AFTER_V7)
+			if (_features & GF_AFTER_V7) {
+				if (room > 0)
+					_vars[VAR_CURRENTDISK] = res.roomno[rtRoom][room];
 				sprintf(buf, "%s.la%d", _exe_name, room == 0 ? 0 : res.roomno[rtRoom][room]);
-			else if (_features & GF_HUMONGOUS)
+			} else if (_features & GF_HUMONGOUS)
 				sprintf(buf, "%s.he%.1d", _exe_name, room == 0 ? 0 : res.roomno[rtRoom][room]);
 			else
 				sprintf(buf, "%s.%.3d",  _exe_name, room == 0 ? 0 : res.roomno[rtRoom][room]);
@@ -90,10 +91,10 @@ void Scumm::openRoom(int room)
 				if (openResourceFile(buf)) {
 					return;
 				}
-				askForDisk(buf);
+				askForDisk(buf, room == 0 ? 0 : res.roomno[rtRoom][room]);
 
 			} else {
-				sprintf(buf, "disk%.2d.lec",  res.roomno[rtRoom][room]);
+				sprintf(buf, "disk%.2d.lec", room == 0 ? 0 : res.roomno[rtRoom][room]);
 				_encbyte = 0x69;
 			}
 		} else {
@@ -115,7 +116,7 @@ void Scumm::openRoom(int room)
 			error("Room %d not in %s", room, buf);
 			return;
 		}
-		askForDisk(buf);
+		askForDisk(buf, room == 0 ? 0 : res.roomno[rtRoom][room]);
 	}
 
 	do {
@@ -123,7 +124,7 @@ void Scumm::openRoom(int room)
 		_encbyte = 0;
 		if (openResourceFile(buf))
 			break;
-		askForDisk(buf);
+		askForDisk(buf, room == 0 ? 0 : res.roomno[rtRoom][room]);
 	} while (1);
 
 	deleteRoomOffsets();
@@ -199,9 +200,25 @@ bool Scumm::openResourceFile(const char *filename)
 	return _fileHandle.isOpen();
 }
 
-void Scumm::askForDisk(const char *filename)
+void Scumm::askForDisk(const char *filename, int disknum)
 {
-	error("ask Cannot find '%s'", filename);
+	char buf[128];
+
+	if (_features & GF_AFTER_V8) {
+		char result;
+
+		sprintf(buf, "Cannot find file: '%s'\nInsert disk %d into drive %s\nHit Ok to retry, Cancel to exit", filename, disknum, getResDataPath());
+
+		result = displayError(true, buf);
+		if (result == 2)
+			error("Cannot find file: '%s'", filename);
+	} else { 
+		sprintf(buf, "Cannot find file: '%s'", filename);
+		InfoDialog* dialog = new InfoDialog(_newgui, this, (char*)buf);
+		runDialog (dialog);
+		delete dialog;
+		error("Cannot find file: '%s'", filename);
+	}
 }
 
 void Scumm::readIndexFile()
diff --git a/scumm/scumm.h b/scumm/scumm.h
index 716d94927f..edd0c67d77 100644
--- a/scumm/scumm.h
+++ b/scumm/scumm.h
@@ -321,7 +321,7 @@ public:
 	void pauseDialog();
 	void saveloadDialog();
 	void optionsDialog();
-	void displayError(const char *message, ...);
+	char displayError(bool showCancel, const char *message, ...);
 
 	// Misc startup/event functions
 	void main();
@@ -512,7 +512,7 @@ public:
 	void closeRoom();
 	void deleteRoomOffsets();
 	void readRoomsOffsets();
-	void askForDisk(const char *filename);
+	void askForDisk(const char *filename, int disknum);
 	bool openResourceFile(const char *filename);
 	void loadPtrToResource(int type, int i, byte *ptr);
 	void readResTypeList(int id, uint32 tag, const char *name);
diff --git a/scumm/scummvm.cpp b/scumm/scummvm.cpp
index 7299b046e0..b0c4a53f47 100644
--- a/scumm/scummvm.cpp
+++ b/scumm/scummvm.cpp
@@ -474,7 +474,7 @@ int Scumm::scummLoop(int delta)
 
 		makeSavegameName(filename, _saveLoadSlot, _saveLoadCompatible);
 		if (!success) {
-			displayError(errMsg, filename);
+			displayError(false, errMsg, filename);
 		} else if (_saveLoadFlag == 1 && _saveLoadSlot != 0 && !_saveLoadCompatible) {
 			// Display "Save succesful" message, except for auto saves
 			char buf[1024];
@@ -1065,18 +1065,20 @@ void Scumm::optionsDialog()
 	runDialog(_optionsDialog);
 }
 
-void Scumm::displayError(const char *message, ...)
+char Scumm::displayError(bool showCancel, const char *message, ...)
 {
-	char buf[1024];
+	char buf[1024], result;
 	va_list va;
 
 	va_start(va, message);
 	vsprintf(buf, message, va);
 	va_end(va);
 
-	Dialog *dialog = new MessageDialog(_newgui, buf);
-	runDialog(dialog);
+	Dialog *dialog = new MessageDialog(_newgui, buf, 0, true, showCancel);
+	result = runDialog(dialog);
 	delete dialog;
+
+	return result;
 }
 
 void Scumm::shutDown(int i)
diff --git a/scumm/sound.cpp b/scumm/sound.cpp
index 4d4e30ef13..308ba3a03d 100644
--- a/scumm/sound.cpp
+++ b/scumm/sound.cpp
@@ -958,8 +958,10 @@ void Sound::playBundleMusic(char * song) {
 		// FIXME: we have MUSDISK1.BUN and MUSDISK2.BUN in COMI.
 		_outputMixerSize = 66150; // ((22050 * 2 * 2) / 4) * 3
 		if (_scumm->_gameId == GID_CMI) {
+			char bunfile[20];
+			sprintf(bunfile, "musdisk%d.bun", _scumm->_vars[_scumm->VAR_CURRENTDISK]);
 			printf("Opening bundle\n");
-			if (_scumm->_bundle->openMusicFile("musdisk1.bun", _scumm->getGameDataPath()) == false)
+			if (_scumm->_bundle->openMusicFile(bunfile, _scumm->getGameDataPath()) == false)
 				return;
 			_outputMixerSize = 88140; // ((22050 * 2 * 2)
 		} else {
@@ -1123,11 +1125,11 @@ int Sound::playBundleSound(char *sound) {
 	byte * ptr;
 	bool result;
 	
-	if (_scumm->_gameId == GID_CMI)
-		// FIXME: HACK! There are actually two voice files in COMI... I dunno how to do this
-		// right, though :-/
-		result = _scumm->_bundle->openVoiceFile("voxdisk1.bun", _scumm->getGameDataPath());
-	else if (_scumm->_gameId == GID_DIG)
+	if (_scumm->_gameId == GID_CMI) {
+		char voxfile[20];
+		sprintf(voxfile, "voxdisk%d.bun", _scumm->_vars[_scumm->VAR_CURRENTDISK]);
+		result = _scumm->_bundle->openVoiceFile(voxfile, _scumm->getGameDataPath());
+	} else if (_scumm->_gameId == GID_DIG)
 		result = _scumm->_bundle->openVoiceFile("digvoice.bun", _scumm->getGameDataPath());
 	else
 		error("Don't know which bundle file to load");