mirror of
https://github.com/libretro/scummvm.git
synced 2024-12-14 05:38:56 +00:00
329 lines
6.9 KiB
C++
329 lines
6.9 KiB
C++
/* ScummVM - Scumm Interpreter
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* Copyright (C) 2001 Ludvig Strigeus
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* Copyright (C) 2001/2002 The ScummVM project
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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* $Header$
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*/
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/*
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* Readline and command completion support by Tom Dunstan <tommyd@senet.com.au>
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*/
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#include "stdafx.h"
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#include "scumm.h"
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#ifdef HAVE_READLINE
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#include "debugrl.h"
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#endif
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enum {
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CMD_INVALID,
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CMD_HELP,
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CMD_QUIT,
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CMD_GO,
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CMD_ACTOR,
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CMD_SCRIPTS,
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CMD_LOAD_ROOM,
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CMD_DUMPBOX,
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CMD_VAR,
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CMD_WATCH,
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CMD_EXIT
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};
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void ScummDebugger::attach(Scumm *s)
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{
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if (_s)
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detach();
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_welcome = true;
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_s = s;
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s->_debugger = this;
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_go_amount = 1;
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#ifdef HAVE_READLINE
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initialize_readline();
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#endif
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}
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void BoxTest(int num);
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bool ScummDebugger::do_command()
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{
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switch (get_command()) {
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case CMD_HELP:
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printf("Debugger commands:\n"
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"(h)elp -> display this help text\n"
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"(q)uit -> quit the debugger\n"
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"(g)o [numframes] -> increase frame\n"
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"(a)ctor [actornum] -> show actor information\n"
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"(r)oom roomnum -> load room\n"
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"(s)cripts -> show running scripts\n"
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"(b)oxes -> list and draw boxen\n"
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"(v)ariable -> set or show a variable value\n"
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"(w)atch [varnum] -> set a variable watch. 0 means all variables.\n"
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"(e)xit -> exit game\n");
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return true;
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case CMD_QUIT:
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detach();
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return false;
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case CMD_GO:
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if (!_parameters[0])
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_go_amount = 1;
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else
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_go_amount = atoi(_parameters);
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return false;
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case CMD_ACTOR:
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if (!_parameters[0])
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printActors(-1);
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else
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printActors(atoi(_parameters));
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return true;
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case CMD_SCRIPTS:
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printScripts();
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return true;
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case CMD_LOAD_ROOM:
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if (!_parameters[0]) {
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printf("Enter a room number...\n");
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} else {
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int room = atoi(_parameters);
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_s->actor[_s->_vars[_s->VAR_EGO]].room = room;
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_s->startScene(room, 0, 0);
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_s->_fullRedraw = 1;
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}
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return true;
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case CMD_DUMPBOX:
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{
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int num, i = 0;
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BoxCoords box;
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byte *boxm = _s->getBoxMatrixBaseAddr();
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num = _s->getNumBoxes();
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printf("Walk matrix:\n");
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for (i = 0; i < num; i++) {
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while (*boxm != 0xFF) {
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printf("[%d] ", *boxm);
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boxm++;
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}
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boxm++;
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printf("\n");
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}
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printf("\nWalk boxes:\n");
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for (i = 0; i < num; i++) {
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warning("BoxTest currently unimplemented in new graphics code\n");
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/*BoxTest(i);*/
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_s->getBoxCoordinates(i, &box);
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printf("%d: [%d x %d] [%d x %d] [%d x %d] [%d x %d]\n", i,
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box.ul.x, box.ul.y, box.ll.x, box.ll.y,
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box.ur.x, box.ur.y, box.lr.x, box.lr.y);
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}
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}
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return true;
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case CMD_VAR:
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if (!_parameters[0]) {
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printf
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("v 123 will show the value of 123, v 123 456 will set the value of 123 to 456.\n");
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} else {
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char *tok = strtok(_parameters, " ");
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int var = atoi(tok);
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tok = strtok(NULL, "");
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if (tok)
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_s->writeVar(var, atoi(tok));
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printf("Var[%d] = %d\n", var, _s->readVar(var));
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}
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return true;
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case CMD_WATCH:
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if (!_parameters[0]) {
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printf("Clearing all watches..\n");
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_s->_varwatch = -1;
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} else {
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_s->_varwatch = atoi(_parameters);
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if (_s->_varwatch == 0)
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printf("Watching all variables\n");
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else
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printf("Watching vars[%d]\n", _s->_varwatch);
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}
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return true;
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case CMD_EXIT:
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exit(1);
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default: /* this line is never reached */
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error("Unknown debug command");
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return true;
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}
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}
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void ScummDebugger::enter()
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{
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if (_welcome) {
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_welcome = false;
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printf
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("Debugging Mode entered!, please switch to this console for input.\n"
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"Enter h to list all the debug commands\n");
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}
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while (do_command()) {
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}
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}
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void ScummDebugger::on_frame()
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{
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if (_go_amount == 0)
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return;
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if (!--_go_amount)
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enter();
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}
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void ScummDebugger::detach()
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{
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_s->_debugger = NULL;
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_s = NULL;
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}
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struct DebuggerCommands {
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char text[8];
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byte len;
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byte id;
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};
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static const DebuggerCommands debugger_commands[] = {
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{"h", 1, CMD_HELP},
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{"q", 1, CMD_QUIT},
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{"g", 1, CMD_GO},
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{"a", 1, CMD_ACTOR},
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{"s", 1, CMD_SCRIPTS},
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{"r", 1, CMD_LOAD_ROOM},
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{"b", 1, CMD_DUMPBOX},
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{"v", 1, CMD_VAR},
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{"w", 1, CMD_WATCH},
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{"e", 1, CMD_EXIT},
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{"", 0, 0}
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};
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int ScummDebugger::get_command()
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{
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const DebuggerCommands *dc;
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char *s;
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int i;
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static char *buf;
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do {
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#ifndef HAVE_READLINE
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buf = _cmd_buffer;
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printf("debug> ");
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if (!fgets(_cmd_buffer, sizeof(_cmd_buffer), stdin))
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return CMD_QUIT;
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i = strlen(_cmd_buffer);
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while (i > 0 && _cmd_buffer[i - 1] == 10)
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_cmd_buffer[--i] = 0;
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if (i == 0)
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continue;
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#else // yes we do have readline
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if (buf) {
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free(buf);
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}
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buf = readline("debug> ");
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if (!buf) {
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printf("\n");
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return CMD_QUIT;
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}
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if (strlen(buf) == 0) {
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continue;
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}
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add_history(buf);
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#endif
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dc = debugger_commands;
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do {
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if (!strncmp(buf, dc->text, dc->len)) {
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for (s = buf; *s; s++) {
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if (*s == 32) {
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s++;
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break;
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}
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}
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_parameters = s;
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return _command = dc->id;
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}
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} while ((++dc)->text[0]);
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for (s = buf; *s; s++)
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if (*s == 32) {
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*s = 0;
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break;
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}
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printf
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("Invalid command '%s'. Type 'help' for a list of available commands.\n",
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buf);
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} while (1);
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}
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void ScummDebugger::printActors(int act)
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{
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int i;
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Actor *a;
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printf
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("+--------------------------------------------------------------+\n");
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printf
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("|# |room| x y |elev|cos|width|box|mov|zp|frame|scale|spd|dir|\n");
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printf
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("+--+----+--------+----+---+-----+---+---+--+-----+-----+---+---+\n");
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for (i = 1; i < _s->NUM_ACTORS; i++) {
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if (act == -1 || act == i) {
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a = &_s->actor[i];
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if (a->visible)
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printf("|%2d|%4d|%3d %3d|%4d|%3d|%5d|%3d|%3d|%2d|%5d|%5d|%3d|%3d|\n",
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i, a->room, a->x, a->y, a->elevation, a->costume, a->width,
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a->walkbox, a->moving, a->forceClip, a->frame, a->scalex,
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a->speedx, a->facing);
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}
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}
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printf
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("+--------------------------------------------------------------+\n");
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}
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void ScummDebugger::printScripts()
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{
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int i;
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ScriptSlot *ss;
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printf("+---------------------------------+\n");
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printf("|# |num|sta|typ|un1|un2|fc|cut|un5|\n");
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printf("+--+---+---+---+---+---+--+---+---+\n");
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for (i = 0; i < 25; i++) {
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ss = &_s->vm.slot[i];
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if (ss->number) {
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printf("|%2d|%3d|%3d|%3d|%3d|%3d|%2d|%3d|%3d|\n",
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i, ss->number, ss->status, ss->where, ss->unk1, ss->unk2,
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ss->freezeCount, ss->cutsceneOverride, ss->unk5);
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}
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}
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printf("+---------------------------------+\n");
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}
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