add in-game debugger

svn-id: r12634

simon/debugger.cpp

@@ -0,0 +1,65 @@
+/* ScummVM - Scumm Interpreter
+ * Copyright (C) 2003-2004 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 "stdafx.h"
+#include "common/debugger.cpp"
+#include "simon/debugger.h"
+#include "simon/simon.h"
+
+namespace Simon {
+
+Debugger::Debugger(SimonEngine *vm) 
+	: Common::Debugger<Debugger>() {
+	_vm = vm;
+		
+	DCmd_Register("exit", &Debugger::Cmd_Exit);
+	DCmd_Register("quit", &Debugger::Cmd_Exit);
+	DCmd_Register("playVoice", &Debugger::Cmd_PlayVoice);
+}
+
+
+void Debugger::preEnter() {
+	_vm->midi.pause(1);
+}
+
+
+void Debugger::postEnter() {
+	_vm->midi.pause(0);
+}
+
+
+bool Debugger::Cmd_Exit(int argc, const char **argv) {
+	_detach_now = true;
+	return false;	
+}
+ 
+bool Debugger::Cmd_PlayVoice(int argc, const char **argv) {
+	if (argc > 1) {
+		uint voice = atoi(argv[1]);
+		_vm->_sound->playVoice(voice);
+	} else
+		DebugPrintf("Syntax: playvoice <soundnum>\n");
+
+	return true;
+}
+
+} // End of namespace Simon
+

simon/debugger.h

@@ -0,0 +1,47 @@
+/* ScummVM - Scumm Interpreter
+ * Copyright (C) 2003-2004 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 SIMON_DEBUGGER_H
+#define SIMON_DEBUGGER_H
+
+#include "common/debugger.h"
+
+namespace Simon {
+
+class SimonEngine;
+
+class Debugger : public Common::Debugger<Debugger> {
+public:
+	Debugger(SimonEngine *vm);
+
+protected:
+	SimonEngine *_vm;
+
+	virtual void preEnter();
+	virtual void postEnter();
+
+	bool Cmd_Exit(int argc, const char **argv);
+	bool Cmd_PlayVoice(int argc, const char **argv);
+};
+
+} // End of namespace Simon
+
+#endif

simon/module.mk

@@ -3,6 +3,7 @@ MODULE := simon
 MODULE_OBJS := \
 	simon/charset.o \
 	simon/debug.o \
+	simon/debugger.o \
 	simon/items.o \
 	simon/midi.o \
 	simon/midiparser_s1d.o \

simon/simon.cpp

@@ -36,6 +36,7 @@
 #include "simon/simon.h"
 #include "simon/intern.h"
 #include "simon/vga.h"
+#include "simon/debugger.h"
 
 #include "sound/mididrv.h"
 
@@ -599,6 +600,7 @@ SimonEngine::~SimonEngine() {
 	delete [] _fcs_list;
 	
 	delete _sound;
+	delete _debugger;
 }
 
 void SimonEngine::errorString(const char *buf1, char *buf2) {
@@ -4785,6 +4787,7 @@ void SimonEngine::go() {
 	setup_vga_file_buf_pointers();
 
 	_sound = new Sound(_game, gss, _gameDataPath, _mixer);
+	_debugger = new Debugger(this);
 
 	if (ConfMan.hasKey("sfx_mute") && ConfMan.getBool("sfx_mute") == 1) {
 		if (_game == GAME_SIMON1DOS)
@@ -4896,6 +4899,9 @@ void SimonEngine::delay(uint amount) {
 	uint32 cur = start;
 	uint this_delay, vga_period;
 
+	if (_debugger->isAttached())
+		_debugger->onFrame();
+
 	if (_fast_mode)
 	 	vga_period = 10;
 	else if (_game & GF_SIMON2)
@@ -4944,6 +4950,8 @@ void SimonEngine::delay(uint amount) {
 						_aboutDialog->runModal();
 					} else if (event.kbd.keycode == 'f')
 						_fast_mode ^= 1;
+					else if (event.kbd.keycode == 'd')
+						_debugger->attach();
 				}
 				// Make sure backspace works right (this fixes a small issue on OS X)
 				if (event.kbd.keycode == 8)

simon/simon.h

@@ -103,7 +103,11 @@ struct VgaTimerEntry {
 
 struct GameSpecificSettings;
   
+class Debugger;
+
 class SimonEngine : public Engine {
+	friend class Debugger;
+
 	void errorString(const char *buf_input, char *buf_output);
 protected:
 	void playSting(uint a);
@@ -344,6 +348,8 @@ protected:
 	bool _ambient_paused;
 	bool _music_paused;
 
+	Debugger *_debugger;
+
 	int _timer_id;
 
 	FILE *_dump_file;