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scummvm/simon/simon.cpp
Chris Apers 67f803224c Move this too 
svn-id: r16162
2004-12-20 16:45:17 +00:00

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/* ScummVM - Scumm Interpreter
* Copyright (C) 2001-2004 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 "backends/fs/fs.h"
#include "base/gameDetector.h"
#include "base/plugins.h"
#include "common/config-manager.h"
#include "common/file.h"
#include "common/md5.h"
#include "gui/about.h"
#include "gui/message.h"
#include "simon/simon.h"
#include "simon/intern.h"
#include "simon/vga.h"
#include "simon/debugger.h"
#include "simon/simon-md5.h"
#include "sound/mididrv.h"
#ifdef __PALM_OS__
#include "globals.h"
#endif
extern uint16 g_debugLevel;
struct SimonGameSettings {
const char *name;
const char *description;
uint32 features;
const char *detectname;
GameSettings toGameSettings() const {
GameSettings dummy = { name, description, features };
return dummy;
}
};
static const SimonGameSettings simon_settings[] = {
// Simon the Sorcerer 1 & 2 (not SCUMM games)
{"simon1acorn", "Simon the Sorcerer 1 (Acorn)", GAME_SIMON1ACORN, "DATA"},
{"simon1dos", "Simon the Sorcerer 1 (DOS)", GAME_SIMON1DOS, "GAMEPC"},
{"simon1amiga", "Simon the Sorcerer 1 (Amiga)", GAME_SIMON1AMIGA, "gameamiga"},
{"simon2dos", "Simon the Sorcerer 2 (DOS)", GAME_SIMON2DOS, "GAME32"},
{"simon1talkie", "Simon the Sorcerer 1 Talkie", GAME_SIMON1TALKIE, "GAMEPC"},
{"simon1win", "Simon the Sorcerer 1 Talkie (Windows)", GAME_SIMON1WIN, 0},
{"simon2talkie", "Simon the Sorcerer 2 Talkie", GAME_SIMON2TALKIE, "GSPTR30"},
{"simon2win", "Simon the Sorcerer 2 Talkie (Windows)", GAME_SIMON2WIN, 0},
{"simon2mac", "Simon the Sorcerer 2 Talkie (Amiga or Mac)", GAME_SIMON2WIN, 0},
{"simon1cd32", "Simon the Sorcerer 1 Talkie (Amiga CD32)", GAME_SIMON1CD32, "gameamiga"},
{"simon1demo", "Simon the Sorcerer 1 (DOS Demo)", GAME_SIMON1DEMO, "GDEMO"},
{NULL, NULL, 0, NULL}
};
static int compareMD5Table(const void *a, const void *b) {
const char *key = (const char *)a;
const MD5Table *elem = (const MD5Table *)b;
return strcmp(key, elem->md5);
}
GameList Engine_SIMON_gameList() {
const SimonGameSettings *g = simon_settings;
GameList games;
while (g->name) {
games.push_back(g->toGameSettings());
g++;
}
return games;
}
DetectedGameList Engine_SIMON_detectGames(const FSList &fslist) {
DetectedGameList detectedGames;
const SimonGameSettings *g;
char detectName[128];
char detectName2[128];
typedef Common::Map<Common::String, bool> StringSet;
StringSet fileSet;
for (g = simon_settings; g->name; ++g) {
if (g->detectname == NULL)
continue;
strcpy(detectName, g->detectname);
strcpy(detectName2, g->detectname);
strcat(detectName2, ".");
// Iterate over all files in the given directory
for (FSList::const_iterator file = fslist.begin(); file != fslist.end(); ++file) {
if (!file->isDirectory()) {
const char *name = file->displayName().c_str();
if ((!scumm_stricmp(detectName, name)) || (!scumm_stricmp(detectName2, name))) {
// Match found, add to list of candidates, then abort inner loop.
detectedGames.push_back(g->toGameSettings());
fileSet.addKey(file->path());
break;
}
}
}
}
// Now, we check the MD5 sums of the 'candidate' files. If we have an exact match,
// only return that.
bool exactMatch = false;
for (StringSet::const_iterator iter = fileSet.begin(); iter != fileSet.end(); ++iter) {
uint8 md5sum[16];
const char *name = iter->_key.c_str();
if (md5_file(name, md5sum)) {
char md5str[32+1];
for (int j = 0; j < 16; j++) {
sprintf(md5str + j*2, "%02x", (int)md5sum[j]);
}
const MD5Table *elem;
elem = (const MD5Table *)bsearch(md5str, md5table, ARRAYSIZE(md5table)-1, sizeof(MD5Table), compareMD5Table);
if (elem) {
if (!exactMatch)
detectedGames.clear(); // Clear all the non-exact candidates
// Find the GameSettings for that target
for (g = simon_settings; g->name; ++g) {
if (0 == scumm_stricmp(g->name, elem->target))
break;
}
assert(g->name);
// Insert the 'enhanced' game data into the candidate list
detectedGames.push_back(DetectedGame(g->toGameSettings(), elem->language, elem->platform));
exactMatch = true;
}
}
}
return detectedGames;
}
Engine *Engine_SIMON_create(GameDetector *detector, OSystem *syst) {
return new Simon::SimonEngine(detector, syst);
}
REGISTER_PLUGIN("Simon the Sorcerer", Engine_SIMON_gameList, Engine_SIMON_create, Engine_SIMON_detectGames)
namespace Simon {
#ifdef __PALM_OS__
#define PTR(a) a
static const GameSpecificSettings *simon1_settings;
static const GameSpecificSettings *simon1acorn_settings;
static const GameSpecificSettings *simon1amiga_settings;
static const GameSpecificSettings *simon1demo_settings;
static const GameSpecificSettings *simon2win_settings;
static const GameSpecificSettings *simon2dos_settings;
#else
#define PTR(a) &a
static const GameSpecificSettings simon1_settings = {
"SIMON.GME", // gme_filename
"SIMON.WAV", // wav_filename
"SIMON.VOC", // voc_filename
"SIMON.MP3", // mp3_filename
"SIMON.OGG", // vorbis_filename
"SIMON.FLA", // flac_filename
"EFFECTS.VOC", // voc_effects_filename
"EFFECTS.MP3", // mp3_effects_filename
"EFFECTS.OGG", // vorbis_effects_filename
"EFFECTS.FLA", // flac_effects_filename
"GAMEPC", // gamepc_filename
};
static const GameSpecificSettings simon1acorn_settings = {
"DATA", // gme_filename
"", // wav_filename
"SIMON", // voc_filename
"SIMON.MP3", // mp3_filename
"SIMON.OGG", // vorbis_filename
"SIMON.FLA", // flac_filename
"EFFECTS", // voc_effects_filename
"EFFECTS.MP3", // mp3_effects_filename
"EFFECTS.OGG", // vorbis_effects_filename
"EFFECTS.FLA", // flac_effects_filename
"GAMEBASE", // gamepc_filename
};
static const GameSpecificSettings simon1amiga_settings = {
"", // gme_filename
"", // wav_filename
"", // voc_filename
"SIMON.MP3", // mp3_filename
"SIMON.OGG", // vorbis_filename
"SIMON.FLA", // flac_filename
"", // voc_effects_filename
"", // mp3_effects_filename
"", // vorbis_effects_filename
"", // flac_effects_filename
"gameamiga", // gamepc_filename
};
static const GameSpecificSettings simon1demo_settings = {
"", // gme_filename
"", // wav_filename
"", // voc_filename
"", // mp3_filename
"", // vorbis_filename
"", // flac_filename
"", // voc_effects_filename
"", // mp3_effects_filename
"", // vorbis_effects_filename
"", // flac_effects_filename
"GDEMO", // gamepc_filename
};
static const GameSpecificSettings simon2win_settings = {
"SIMON2.GME", // gme_filename
"SIMON2.WAV", // wav_filename
"SIMON2.VOC", // voc_filename
"SIMON2.MP3", // mp3_filename
"SIMON2.OGG", // vorbis_filename
"SIMON2.FLA", // flac_filename
"", // voc_effects_filename
"", // mp3_effects_filename
"", // vorbis_effects_filename
"", // flac_effects_filename
"GSPTR30", // gamepc_filename
};
static const GameSpecificSettings simon2dos_settings = {
"SIMON2.GME", // gme_filename
"", // wav_filename
"", // voc_filename
"", // mp3_filename
"", // vorbis_filename
"", // flac_filename
"", // voc_effects_filename
"", // mp3_effects_filename
"", // vorbis_effects_filename
"", // flac_effects_filename
"GAME32", // gamepc_filename
};
#endif
SimonEngine::SimonEngine(GameDetector *detector, OSystem *syst)
: Engine(syst), midi(syst) {
_vc_ptr = 0;
_vc_get_out_of_code = 0;
_game_offsets_ptr = 0;
const SimonGameSettings *g = simon_settings;
while (g->name) {
if (!scumm_stricmp(detector->_game.name, g->name))
break;
g++;
}
if (!g->name)
error("Invalid game '%s'\n", detector->_game.name);
SimonGameSettings game = *g;
switch (Common::parsePlatform(ConfMan.get("platform"))) {
case Common::kPlatformAmiga:
case Common::kPlatformMacintosh:
if (game.features & GF_SIMON2)
game.features |= GF_WIN;
break;
case Common::kPlatformWindows:
game.features |= GF_WIN;
break;
default:
break;
}
_game = game.features;
// Convert older targets
if (g->detectname == NULL) {
if (!strcmp("simon1win", g->name)) {
ConfMan.set("gameid", "simon1talkie");
ConfMan.set("platform", "Windows");
} else if (!strcmp("simon2win", g->name) || !strcmp("simon2mac", g->name)) {
ConfMan.set("gameid", "simon2talkie");
ConfMan.set("platform", "Windows");
}
ConfMan.flushToDisk();
} else {
#if 1
// HACK HACK HACK
// This is not how, and where, MD5 computation should be done in the
// real world. Rather this is meant as a proof-of-concept hack.
// It's quick, it's dirty, and it'll go again eventually :-)
char buf[100];
uint8 md5sum[16];
File f;
sprintf(buf, g->detectname);
f.open(buf);
if (f.isOpen() == false)
strcat(buf, ".");
if (md5_file(buf, md5sum)) {
char md5str[32+1];
for (int j = 0; j < 16; j++) {
sprintf(md5str + j*2, "%02x", (int)md5sum[j]);
}
printf("%s %s\n", md5str, buf);
const MD5Table *elem;
elem = (const MD5Table *)bsearch(md5str, md5table, ARRAYSIZE(md5table)-1, sizeof(MD5Table), compareMD5Table);
if (elem)
printf("Match found in database: target %s, language %s, platform %s\n",
elem->target, Common::getLanguageDescription(elem->language), Common::getPlatformDescription(elem->platform));
else
printf("Unknown MD5! Please report the details (language, platform, etc.) of this game to the ScummVM team\n");
}
#endif
}
VGA_DELAY_BASE = 1;
if (_game & GF_SIMON2) {
TABLE_INDEX_BASE = 1580 / 4;
TEXT_INDEX_BASE = 1500 / 4;
NUM_VIDEO_OP_CODES = 75;
#ifndef __PALM_OS__
VGA_MEM_SIZE = 2000000;
#else
VGA_MEM_SIZE = gVars->memory[kMemSimon2Games];
#endif
TABLES_MEM_SIZE = 100000;
if ((_game & GF_SIMON2) && ConfMan.getBool("native_mt32"))
MUSIC_INDEX_BASE = (1128 + 612) / 4;
else
MUSIC_INDEX_BASE = 1128 / 4;
SOUND_INDEX_BASE = 1660 / 4;
} else {
TABLE_INDEX_BASE = 1576 / 4;
TEXT_INDEX_BASE = 1460 / 4;
NUM_VIDEO_OP_CODES = 64;
#ifndef __PALM_OS__
VGA_MEM_SIZE = 1000000;
#else
VGA_MEM_SIZE = gVars->memory[kMemSimon1Games];
#endif
TABLES_MEM_SIZE = 50000;
MUSIC_INDEX_BASE = 1316 / 4;
SOUND_INDEX_BASE = 0;
}
_language = Common::parseLanguage(ConfMan.get("language"));
if ((_game & GF_SIMON2) && (_game & GF_TALKIE)) {
gss = PTR(simon2win_settings);
// Add default file directories
File::addDefaultDirectory(_gameDataPath + "voices/");
File::addDefaultDirectory(_gameDataPath + "VOICES/");
} else if (_game & GF_SIMON2)
gss = PTR(simon2dos_settings);
else if (_game & GF_ACORN) {
gss = PTR(simon1acorn_settings);
// Add default file directories
File::addDefaultDirectory(_gameDataPath + "execute/");
File::addDefaultDirectory(_gameDataPath + "EXECUTE/");
} else if (_game & GF_AMIGA) {
gss = PTR(simon1amiga_settings);
} else if (_game & GF_DEMO)
gss = PTR(simon1demo_settings);
else
gss = PTR(simon1_settings);
if (!(_game & GF_SIMON2) && (_game & GF_TALKIE)) {
// Add default file directories
switch(_language) {
case 20:
File::addDefaultDirectory(_gameDataPath + "hebrew/");
File::addDefaultDirectory(_gameDataPath + "HEBREW/");
break;
case 5:
File::addDefaultDirectory(_gameDataPath + "spanish/");
File::addDefaultDirectory(_gameDataPath + "SPANISH/");
break;
case 3:
File::addDefaultDirectory(_gameDataPath + "italian/");
File::addDefaultDirectory(_gameDataPath + "ITALIAN/");
break;
case 2:
File::addDefaultDirectory(_gameDataPath + "french/");
File::addDefaultDirectory(_gameDataPath + "FRENCH/");
break;
}
}
_key_pressed = 0;
_game_file = 0;
_stripped_txt_mem = 0;
_text_size = 0;
_stringtab_num = 0;
_stringtab_pos = 0;
_stringtab_numalloc = 0;
_stringtab_ptr = 0;
_itemarray_ptr = 0;
_itemarray_size = 0;
_itemarray_inited = 0;
_itemheap_ptr = 0;
_itemheap_curpos = 0;
_itemheap_size = 0;
_icon_file_ptr = 0;
_tbl_list = 0;
_code_ptr = 0;
_local_stringtable = 0;
_string_id_local_min = 1;
_string_id_local_max = 0;
_tablesheap_ptr = 0;
_tablesheap_ptr_org = 0;
_tablesheap_ptr_new = 0;
_tablesheap_size = 0;
_tablesheap_curpos = 0;
_tablesheap_curpos_org = 0;
_tablesheap_curpos_new = 0;
_subroutine_list = 0;
_subroutine_list_org = 0;
_subroutine = 0;
_dx_surface_pitch = 0;
_recursion_depth = 0;
_last_vga_tick = 0;
_op_189_flags = 0;
_scriptvar_2 = 0;
_run_script_return_1 = 0;
_skip_vga_wait = 0;
_no_parent_notify = 0;
_vga_res_328_loaded = 0;
_hitarea_unk_3 = 0;
_mortal_flag = 0;
_sync_flag_1 = 0;
_video_var_8 = 0;
_use_palette_delay = 0;
_sync_flag_2 = 0;
_in_callback = 0;
_cepe_flag = 0;
_copy_partial_mode = 0;
_speed = 1;
_fast_mode = 0;
_dx_use_3_or_4_for_lock = 0;
_debugMode = 0;
_pause = 0;
_start_mainscript = 0;
_continous_mainscript = 0;
_start_vgascript = 0;
_continous_vgascript = 0;
_draw_images_debug = 0;
_dump_images = 0;
_speech = true;
_subtitles = true;
_fade = true;
_mouse_cursor = 0;
_vga_var9 = 0;
_script_unk_1 = 0;
_vga_var6 = 0;
_x_scroll = 0;
_vga_var1 = 0;
_vga_var2 = 0;
_xscroll_step = 0;
_sprite_height = 0;
_vga_var7 = 0;
_vga_var8 = 0;
_script_cond_a = 0;
_script_cond_b = 0;
_script_cond_c = 0;
_fcs_unk_1 = 0;
_fcs_ptr_1 = 0;
_subject_item = 0;
_object_item = 0;
_item_1 = 0;
_hitarea_object_item = 0;
_last_hitarea = 0;
_last_hitarea_2_ptr = 0;
_last_hitarea_3 = 0;
_left_button_down = 0;
_hitarea_subject_item = 0;
_hitarea_ptr_5 = 0;
_hitarea_ptr_7 = 0;
_need_hitarea_recalc = 0;
_verb_hitarea = 0;
_hitarea_unk_4 = 0;
_lock_counter = 0;
_video_palette_mode = 0;
_print_char_unk_1 = 0;
_print_char_unk_2 = 0;
_num_letters_to_print = 0;
_last_time = 0;
_first_time_struct = 0;
_pending_delete_time_event = 0;
_base_time = 0;
_mouse_x = 0;
_mouse_y = 0;
_mouse_x_old = 0;
_mouse_y_old = 0;
_dummy_item_1 = new Item();
_dummy_item_2 = new Item();
_dummy_item_3 = new Item();
_lock_word = 0;
_scroll_up_hit_area = 0;
_scroll_down_hit_area = 0;
_video_var_7 = 0xFFFF;
_palette_color_count = 0;
_video_var_4 = 0;
_video_var_5 = 0;
_video_var_3 = 0;
_unk_pal_flag = 0;
_exit_cutscene = 0;
_skip_speech = 0;
_video_var_9 = 0;
_sound_file_id = 0;
_last_music_played = -1;
_next_music_to_play = -1;
_show_preposition = 0;
_showmessage_flag = 0;
_video_num_pal_colors = 0;
_invoke_timer_callback = 0;
_vga_sprite_changed = 0;
_vga_buf_free_start = 0;
_vga_buf_end = 0;
_vga_buf_start = 0;
_vga_file_buf_org = 0;
_vga_file_buf_org_2 = 0;
_cur_vga_file_1 = 0;
_cur_vga_file_2 = 0;
_timer_1 = 0;
_timer_5 = 0;
_timer_4 = 0;
_vga_base_delay = 1;
_vga_cur_file_2 = 0;
_vga_wait_for = 0;
_vga_cur_file_id = 0;
_vga_cur_sprite_id = 0;
_next_vga_timer_to_process = 0;
memset(_vc_item_array, 0, sizeof(_vc_item_array));
memset(_item_array_6, 0, sizeof(_item_array_6));
memset(_stringid_array_2, 0, sizeof(_stringid_array_2));
memset(_stringid_array_3, 0, sizeof(_stringid_array_3));
memset(_speechid_array_4, 0, sizeof(_speechid_array_4));
memset(_bit_array, 0, sizeof(_bit_array));
memset(_variableArray, 0, sizeof(_variableArray));
memset(_fcs_ptr_array_3, 0, sizeof(_fcs_ptr_array_3));
memset(_fcs_data_1, 0, sizeof(_fcs_data_1));
memset(_fcs_data_2, 0, sizeof(_fcs_data_2));
_free_string_slot = 0;
memset(_stringReturnBuffer, 0, sizeof(_stringReturnBuffer));
memset(_pathfind_array, 0, sizeof(_pathfind_array));
memset(_palette_backup, 0, sizeof(_palette_backup));
memset(_palette, 0, sizeof(_palette));
memset(_video_buf_1, 0, sizeof(_video_buf_1));
_fcs_list = new FillOrCopyStruct[16];
memset(_letters_to_print_buf, 0, sizeof(_letters_to_print_buf));
_num_screen_updates = 0;
_vga_tick_counter = 0;
_sound = 0;
_effects_paused = false;
_ambient_paused = false;
_music_paused = false;
_timer_id = 0;
_dump_file = 0;
_saveLoadFlag = 0;
_saveLoadSlot = 0;
memset(_saveLoadName, 0, sizeof(_saveLoadName));
_saveload_row_curpos = 0;
_num_savegame_rows = 0;
_savedialog_flag = false;
_save_or_load = false;
_saveload_flag = false;
_sdl_mouse_x = 0;
_sdl_mouse_y = 0;
_sdl_buf_3 = 0;
_sdl_buf = 0;
_sdl_buf_attached = 0;
_vc_10_base_ptr_old = 0;
memcpy (_hebrew_char_widths,
"\x5\x5\x4\x6\x5\x3\x4\x5\x6\x3\x5\x5\x4\x6\x5\x3\x4\x6\x5\x6\x6\x6\x5\x5\x5\x6\x5\x6\x6\x6\x6\x6", 32);
}
int SimonEngine::init(GameDetector &detector) {
// Setup mixer
if (!_mixer->isReady())
warning("Sound initialization failed. "
"Features of the game that depend on sound synchronization will most likely break");
set_volume(ConfMan.getInt("sfx_volume"));
_mixer->setMusicVolume(ConfMan.getInt("music_volume"));
_system->beginGFXTransaction();
initCommonGFX(detector);
_system->initSize(320, 200);
_system->endGFXTransaction();
// Setup midi driver
MidiDriver *driver = 0;
_midiDriver = MD_NULL;
if (_game == GAME_SIMON1AMIGA || _game == GAME_SIMON1CD32)
driver = MidiDriver::createMidi(MD_NULL); // Create fake MIDI driver for Simon1Amiga and Simon2CD32 for now
else {
_midiDriver = MidiDriver::detectMusicDriver(MDT_ADLIB | MDT_NATIVE);
driver = MidiDriver::createMidi(_midiDriver);
}
if (!driver)
driver = MidiDriver_ADLIB_create(_mixer);
else if (ConfMan.getBool("native_mt32") || (_midiDriver == MD_MT32))
driver->property(MidiDriver::PROP_CHANNEL_MASK, 0x03FE);
midi.mapMT32toGM (!(_game & GF_SIMON2) && !(ConfMan.getBool("native_mt32") || (_midiDriver == MD_MT32)));
midi.set_driver(driver);
int ret = midi.open();
if (ret)
warning ("MIDI Player init failed: \"%s\"", midi.getErrorName (ret));
midi.set_volume(ConfMan.getInt("music_volume"));
_debugMode = ConfMan.hasKey("debuglevel");
if (ConfMan.hasKey("music_mute") && ConfMan.getBool("music_mute") == 1)
midi.pause(_music_paused ^= 1);
if ((_game & GF_SIMON2) && ConfMan.hasKey("speech_mute") && ConfMan.getBool("speech_mute") == 1)
_speech = 0;
if ((!(_game & GF_SIMON2) && _language > 1) || ((_game & GF_SIMON2) && _language == 20)) {
if (ConfMan.hasKey("subtitles") && ConfMan.getBool("subtitles") == 0)
_subtitles = 0;
} else
_subtitles = ConfMan.getBool("subtitles");
// Make sure either speech or subtitles is enabled
if ((_game & GF_TALKIE) && !_speech && !_subtitles)
_subtitles = 1;
if (ConfMan.hasKey("fade") && ConfMan.getBool("fade") == 0)
_fade = 0;
if (ConfMan.hasKey("slow_down") && ConfMan.getInt("slow_down") >= 1)
_speed = ConfMan.getInt("slow_down");
// FIXME Use auto dirty rects cleanup code to reduce CPU usage
g_system->setFeatureState(OSystem::kFeatureAutoComputeDirtyRects, true);
return 0;
}
SimonEngine::~SimonEngine() {
delete _game_file;
midi.close();
free(_stringtab_ptr);
free(_itemarray_ptr);
free(_itemheap_ptr - _itemheap_curpos);
free(_tablesheap_ptr - _tablesheap_curpos);
free(_tbl_list);
free(_icon_file_ptr);
free(_game_offsets_ptr);
delete _dummy_item_1;
delete _dummy_item_2;
delete _dummy_item_3;
delete [] _fcs_list;
delete _sound;
delete _debugger;
}
void SimonEngine::errorString(const char *buf1, char *buf2) {
strcpy(buf2, buf1);
}
void palette_fadeout(uint32 *pal_values, uint num) {
byte *p = (byte *)pal_values;
do {
if (p[0] >= 8)
p[0] -= 8;
else
p[0] = 0;
if (p[1] >= 8)
p[1] -= 8;
else
p[1] = 0;
if (p[2] >= 8)
p[2] -= 8;
else
p[2] = 0;
p += sizeof(uint32);
} while (--num);
}
byte *SimonEngine::allocateItem(uint size) {
byte *org = _itemheap_ptr;
size = (size + 3) & ~3;
_itemheap_ptr += size;
_itemheap_curpos += size;
if (_itemheap_curpos > _itemheap_size)
error("Itemheap overflow");
return org;
}
void SimonEngine::alignTableMem() {
if ((unsigned long)_tablesheap_ptr & 3) {
_tablesheap_ptr += 2;
_tablesheap_curpos += 2;
}
}
byte *SimonEngine::allocateTable(uint size) {
byte *org = _tablesheap_ptr;
size = (size + 1) & ~1;
_tablesheap_ptr += size;
_tablesheap_curpos += size;
if (_tablesheap_curpos > _tablesheap_size)
error("Tablesheap overflow");
return org;
}
int SimonEngine::allocGamePcVars(File *in) {
uint item_array_size, item_array_inited, stringtable_num;
uint32 version;
uint i;
item_array_size = in->readUint32BE();
version = in->readUint32BE();
item_array_inited = in->readUint32BE();
stringtable_num = in->readUint32BE();
item_array_inited += 2; // first two items are predefined
item_array_size += 2;
if (version != 0x80)
error("Not a runtime database");
_itemarray_ptr = (Item **)calloc(item_array_size, sizeof(Item *));
if (_itemarray_ptr == NULL)
error("Out of memory for Item array");
_itemarray_size = item_array_size;
_itemarray_inited = item_array_inited;
for (i = 1; i < item_array_inited; i++) {
_itemarray_ptr[i] = (Item *)allocateItem(sizeof(Item));
}
// The rest is cleared automatically by calloc
allocateStringTable(stringtable_num + 10);
_stringtab_num = stringtable_num;
return item_array_inited;
}
void SimonEngine::loginPlayerHelper(Item *item, int a, int b) {
Child9 *child;
child = (Child9 *) findChildOfType(item, 9);
if (child == NULL) {
child = (Child9 *) allocateChildBlock(item, 9, sizeof(Child9));
}
if (a >= 0 && a <= 3)
child->array[a] = b;
}
void SimonEngine::loginPlayer() {
Child *child;
_item_1 = _itemarray_ptr[1];
_item_1->unk2 = -1;
_item_1->unk1 = 10000;
child = (Child *)allocateChildBlock(_item_1, 3, sizeof(Child));
if (child == NULL)
error("player create failure");
loginPlayerHelper(_item_1, 0, 0);
}
void SimonEngine::allocateStringTable(int num) {
_stringtab_ptr = (byte **)calloc(num, sizeof(byte *));
_stringtab_pos = 0;
_stringtab_numalloc = num;
}
void SimonEngine::setupStringTable(byte *mem, int num) {
int i = 0;
for (;;) {
_stringtab_ptr[i++] = mem;
if (--num == 0)
break;
for (; *mem; mem++);
mem++;
}
_stringtab_pos = i;
}
void SimonEngine::setupLocalStringTable(byte *mem, int num) {
int i = 0;
for (;;) {
_local_stringtable[i++] = mem;
if (--num == 0)
break;
for (; *mem; mem++);
mem++;
}
}
void SimonEngine::readSubroutineLine(File *in, SubroutineLine *sl, Subroutine *sub) {
byte line_buffer[1024], *q = line_buffer;
int size;
if (sub->id == 0) {
sl->cond_a = in->readUint16BE();
sl->cond_b = in->readUint16BE();
sl->cond_c = in->readUint16BE();
}
while ((*q = in->readByte()) != 0xFF) {
if (*q == 87) {
in->readUint16BE();
} else {
q = readSingleOpcode(in, q);
}
}
size = q - line_buffer + 1;
memcpy(allocateTable(size), line_buffer, size);
}
SubroutineLine *SimonEngine::createSubroutineLine(Subroutine *sub, int where) {
SubroutineLine *sl, *cur_sl = NULL, *last_sl = NULL;
if (sub->id == 0)
sl = (SubroutineLine *)allocateTable(SUBROUTINE_LINE_BIG_SIZE);
else
sl = (SubroutineLine *)allocateTable(SUBROUTINE_LINE_SMALL_SIZE);
// where is what offset to insert the line at, locate the proper beginning line
if (sub->first != 0) {
cur_sl = (SubroutineLine *)((byte *)sub + sub->first);
while (where) {
last_sl = cur_sl;
cur_sl = (SubroutineLine *)((byte *)sub + cur_sl->next);
if ((byte *)cur_sl == (byte *)sub)
break;
where--;
}
}
if (last_sl != NULL) {
// Insert the subroutine line in the middle of the link
last_sl->next = (byte *)sl - (byte *)sub;
sl->next = (byte *)cur_sl - (byte *)sub;
} else {
// Insert the subroutine line at the head of the link
sl->next = sub->first;
sub->first = (byte *)sl - (byte *)sub;
}
return sl;
}
void SimonEngine::readSubroutine(File *in, Subroutine *sub) {
while (in->readUint16BE() == 0) {
readSubroutineLine(in, createSubroutineLine(sub, 0xFFFF), sub);
}
}
Subroutine *SimonEngine::createSubroutine(uint id) {
Subroutine *sub;
alignTableMem();
sub = (Subroutine *)allocateTable(sizeof(Subroutine));
sub->id = id;
sub->first = 0;
sub->next = _subroutine_list;
_subroutine_list = sub;
return sub;
}
void SimonEngine::readSubroutineBlock(File *in) {
while (in->readUint16BE() == 0) {
readSubroutine(in, createSubroutine(in->readUint16BE()));
}
}
Child *SimonEngine::findChildOfType(Item *i, uint type) {
Child *child = i->children;
for (; child; child = child->next)
if (child->type == type)
return child;
return NULL;
}
bool SimonEngine::hasChildOfType1(Item *item) {
return findChildOfType(item, 1) != NULL;
}
bool SimonEngine::hasChildOfType2(Item *item) {
return findChildOfType(item, 2) != NULL;
}
uint SimonEngine::getOffsetOfChild2Param(Child2 *child, uint prop) {
uint m = 1;
uint offset = 0;
while (m != prop) {
if (child->avail_props & m)
offset++;
m <<= 1;
}
return offset;
}
Child *SimonEngine::allocateChildBlock(Item *i, uint type, uint size) {
Child *child = (Child *)allocateItem(size);
child->next = i->children;
i->children = child;
child->type = type;
return child;
}
void SimonEngine::allocItemHeap() {
_itemheap_size = 10000;
_itemheap_curpos = 0;
_itemheap_ptr = (byte *)calloc(10000, 1);
}
void SimonEngine::allocTablesHeap() {
_tablesheap_size = TABLES_MEM_SIZE;
_tablesheap_curpos = 0;
_tablesheap_ptr = (byte *)calloc(TABLES_MEM_SIZE, 1);
}
void SimonEngine::setItemUnk3(Item *item, int value) {
item->unk3 = value;
}
int SimonEngine::getNextWord() {
int16 a = (int16)READ_BE_UINT16(_code_ptr);
_code_ptr += 2;
return a;
}
uint SimonEngine::getNextStringID() {
return (uint16)getNextWord();
}
uint SimonEngine::getVarOrByte() {
uint a = *_code_ptr++;
if (a != 255)
return a;
return readVariable(*_code_ptr++);
}
uint SimonEngine::getVarOrWord() {
uint a = READ_BE_UINT16(_code_ptr);
_code_ptr += 2;
if (a >= 30000 && a < 30512)
return readVariable(a - 30000);
return a;
}
Item *SimonEngine::getNextItemPtr() {
int a = getNextWord();
switch (a) {
case -1:
return _subject_item;
case -3:
return _object_item;
case -5:
return getItem1Ptr();
case -7:
return getItemPtrB();
case -9:
return derefItem(getItem1Ptr()->parent);
default:
return derefItem(a);
}
}
Item *SimonEngine::getNextItemPtrStrange() {
int a = getNextWord();
switch (a) {
case -1:
return _subject_item;
case -3:
return _object_item;
case -5:
return _dummy_item_2;
case -7:
return NULL;
case -9:
return _dummy_item_3;
default:
return derefItem(a);
}
}
uint SimonEngine::getNextItemID() {
int a = getNextWord();
switch (a) {
case -1:
return itemPtrToID(_subject_item);
case -3:
return itemPtrToID(_object_item);
case -5:
return getItem1ID();
case -7:
return 0;
case -9:
return getItem1Ptr()->parent;
default:
return a;
}
}
Item *SimonEngine::getItem1Ptr() {
if (_item_1)
return _item_1;
return _dummy_item_1;
}
Item *SimonEngine::getItemPtrB() {
error("getItemPtrB: is this code ever used?");
return _dummy_item_1;
}
uint SimonEngine::getNextVarContents() {
return (uint16)readVariable(getVarOrByte());
}
uint SimonEngine::readVariable(uint variable) {
if (variable >= 255)
error("Variable %d out of range in read", variable);
return _variableArray[variable];
}
void SimonEngine::writeNextVarContents(uint16 contents) {
writeVariable(getVarOrByte(), contents);
}
void SimonEngine::writeVariable(uint variable, uint16 contents) {
if (variable >= 256)
error("Variable %d out of range in write", variable);
_variableArray[variable] = contents;
}
void SimonEngine::setItemParent(Item *item, Item *parent) {
Item *old_parent = derefItem(item->parent);
if (item == parent)
error("Trying to set item as its own parent");
// unlink it if it has a parent
if (old_parent)
unlinkItem(item);
itemChildrenChanged(old_parent);
linkItem(item, parent);
itemChildrenChanged(parent);
}
void SimonEngine::itemChildrenChanged(Item *item) {
int i;
FillOrCopyStruct *fcs;
if (_no_parent_notify)
return;
lock();
for (i = 0; i != 8; i++) {
fcs = _fcs_ptr_array_3[i];
if (fcs && fcs->fcs_data && fcs->fcs_data->item_ptr == item) {
if (_fcs_data_1[i]) {
_fcs_data_2[i] = true;
} else {
_fcs_data_2[i] = false;
fcs_unk_proc_1(i, item, fcs->fcs_data->unk1, fcs->fcs_data->unk2);
}
}
}
unlock();
}
void SimonEngine::unlinkItem(Item *item) {
Item *first, *parent, *next;
// can't unlink item without parent
if (item->parent == 0)
return;
// get parent and first child of parent
parent = derefItem(item->parent);
first = derefItem(parent->child);
// the node to remove is first in the parent's children?
if (first == item) {
parent->child = item->sibling;
item->parent = 0;
item->sibling = 0;
return;
}
for (;;) {
if (!first)
error("unlinkItem: parent empty");
if (first->sibling == 0)
error("unlinkItem: parent does not contain child");
next = derefItem(first->sibling);
if (next == item) {
first->sibling = next->sibling;
item->parent = 0;
item->sibling = 0;
return;
}
first = next;
}
}
void SimonEngine::linkItem(Item *item, Item *parent) {
uint id;
// Don't allow that an item that is already linked is relinked
if (item->parent)
return;
id = itemPtrToID(parent);
item->parent = id;
if (parent != 0) {
item->sibling = parent->child;
parent->child = itemPtrToID(item);
} else {
item->sibling = 0;
}
}
const byte *SimonEngine::getStringPtrByID(uint string_id) {
const byte *string_ptr;
byte *dst;
_free_string_slot ^= 1;
if (string_id < 0x8000) {
string_ptr = _stringtab_ptr[string_id];
} else {
string_ptr = getLocalStringByID(string_id);
}
dst = _stringReturnBuffer[_free_string_slot];
strcpy((char *)dst, (const char *)string_ptr);
return dst;
}
const byte *SimonEngine::getLocalStringByID(uint string_id) {
if (string_id < _string_id_local_min || string_id >= _string_id_local_max) {
loadTextIntoMem(string_id);
}
return _local_stringtable[string_id - _string_id_local_min];
}
void SimonEngine::loadTextIntoMem(uint string_id) {
byte *p;
char filename[30];
int i;
uint base_min = 0x8000, base_max, size;
_tablesheap_ptr = _tablesheap_ptr_new;
_tablesheap_curpos = _tablesheap_curpos_new;
p = _stripped_txt_mem;
// get filename
while (*p) {
for (i = 0; *p; p++, i++)
filename[i] = *p;
filename[i] = 0;
p++;
base_max = (p[0] << 8) | p[1];
p += 2;
if (string_id < base_max) {
_string_id_local_min = base_min;
_string_id_local_max = base_max;
_local_stringtable = (byte **)_tablesheap_ptr;
size = (base_max - base_min + 1) * sizeof(byte *);
_tablesheap_ptr += size;
_tablesheap_curpos += size;
size = loadTextFile(filename, _tablesheap_ptr);
setupLocalStringTable(_tablesheap_ptr, base_max - base_min + 1);
_tablesheap_ptr += size;
_tablesheap_curpos += size;
if (_tablesheap_curpos > _tablesheap_size) {
error("loadTextIntoMem: Out of table memory");
}
return;
}
base_min = base_max;
}
error("loadTextIntoMem: didn't find %d", string_id);
}
void SimonEngine::loadTablesIntoMem(uint subr_id) {
byte *p;
int i;
uint min_num, max_num;
char filename[30];
File *in;
p = _tbl_list;
if (p == NULL)
return;
while (*p) {
for (i = 0; *p; p++, i++)
filename[i] = *p;
filename[i] = 0;
p++;
for (;;) {
min_num = (p[0] << 8) | p[1];
p += 2;
if (min_num == 0)
break;
max_num = (p[0] << 8) | p[1];
p += 2;
if (subr_id >= min_num && subr_id <= max_num) {
_subroutine_list = _subroutine_list_org;
_tablesheap_ptr = _tablesheap_ptr_org;
_tablesheap_curpos = _tablesheap_curpos_org;
_string_id_local_min = 1;
_string_id_local_max = 0;
in = openTablesFile(filename);
readSubroutineBlock(in);
closeTablesFile(in);
if (_game & GF_SIMON2) {
_sound->loadSfxTable(_game_file, _game_offsets_ptr[atoi(filename + 6) - 1 + SOUND_INDEX_BASE]);
} else if (_game & GF_WIN) {
memcpy(filename, "SFXXXX", 6);
_sound->readSfxFile(filename);
}
alignTableMem();
_tablesheap_ptr_new = _tablesheap_ptr;
_tablesheap_curpos_new = _tablesheap_curpos;
if (_tablesheap_curpos > _tablesheap_size)
error("loadTablesIntoMem: Out of table memory");
return;
}
}
}
debug(1,"loadTablesIntoMem: didn't find %d", subr_id);
}
void SimonEngine::playSting(uint a) {
if (!midi._enable_sfx)
return;
char filename[15];
File mus_file;
uint16 mus_offset;
sprintf(filename, "STINGS%i.MUS", _sound_file_id);
mus_file.open(filename);
if (!mus_file.isOpen()) {
warning("Can't load sound effect from '%s'", filename);
return;
}
mus_file.seek(a * 2, SEEK_SET);
mus_offset = mus_file.readUint16LE();
if (mus_file.ioFailed())
error("Can't read sting %d offset", a);
mus_file.seek(mus_offset, SEEK_SET);
midi.loadSMF(&mus_file, a, true);
midi.startTrack(0);
}
Subroutine *SimonEngine::getSubroutineByID(uint subroutine_id) {
Subroutine *cur;
_subroutine = subroutine_id;
for (cur = _subroutine_list; cur; cur = cur->next) {
if (cur->id == subroutine_id)
return cur;
}
loadTablesIntoMem(subroutine_id);
for (cur = _subroutine_list; cur; cur = cur->next) {
if (cur->id == subroutine_id)
return cur;
}
debug(1,"getSubroutineByID: subroutine %d not found", subroutine_id);
return NULL;
}
uint SimonEngine::loadTextFile_gme(const char *filename, byte *dst) {
uint res;
uint32 offs;
uint32 size;
res = atoi(filename + 4) + TEXT_INDEX_BASE - 1;
offs = _game_offsets_ptr[res];
size = _game_offsets_ptr[res + 1] - offs;
resfile_read(dst, offs, size);
return size;
}
File *SimonEngine::openTablesFile_gme(const char *filename) {
uint res;
uint32 offs;
res = atoi(filename + 6) + TABLE_INDEX_BASE - 1;
offs = _game_offsets_ptr[res];
_game_file->seek(offs, SEEK_SET);
return _game_file;
}
uint SimonEngine::loadTextFile_simon1(const char *filename, byte *dst) {
File fo;
fo.open(filename);
uint32 size;
if (fo.isOpen() == false)
error("loadTextFile: Can't open '%s'", filename);
size = fo.size();
if (fo.read(dst, size) != size)
error("loadTextFile: fread failed");
fo.close();
return size;
}
File *SimonEngine::openTablesFile_simon1(const char *filename) {
File *fo = new File();
fo->open(filename);
if (fo->isOpen() == false)
error("openTablesFile: Can't open '%s'", filename);
return fo;
}
uint SimonEngine::loadTextFile(const char *filename, byte *dst) {
if (_game & GF_OLD_BUNDLE)
return loadTextFile_simon1(filename, dst);
else
return loadTextFile_gme(filename, dst);
}
File *SimonEngine::openTablesFile(const char *filename) {
if (_game & GF_OLD_BUNDLE)
return openTablesFile_simon1(filename);
else
return openTablesFile_gme(filename);
}
void SimonEngine::closeTablesFile(File *in) {
if (_game & GF_OLD_BUNDLE) {
in->close();
delete in;
}
}
void SimonEngine::addTimeEvent(uint timeout, uint subroutine_id) {
TimeEvent *te = (TimeEvent *)malloc(sizeof(TimeEvent)), *first, *last = NULL;
time_t cur_time;
time(&cur_time);
te->time = cur_time + timeout - _base_time;
te->subroutine_id = subroutine_id;
first = _first_time_struct;
while (first) {
if (te->time <= first->time) {
if (last) {
last->next = te;
te->next = first;
return;
}
te->next = _first_time_struct;
_first_time_struct = te;
return;
}
last = first;
first = first->next;
}
if (last) {
last->next = te;
te->next = NULL;
} else {
_first_time_struct = te;
te->next = NULL;
}
}
void SimonEngine::delTimeEvent(TimeEvent *te) {
TimeEvent *cur;
if (te == _pending_delete_time_event)
_pending_delete_time_event = NULL;
if (te == _first_time_struct) {
_first_time_struct = te->next;
free(te);
return;
}
cur = _first_time_struct;
if (cur == NULL)
error("delTimeEvent: none available");
for (;;) {
if (cur->next == NULL)
error("delTimeEvent: no such te");
if (te == cur->next) {
cur->next = te->next;
free(te);
return;
}
cur = cur->next;
}
}
void SimonEngine::killAllTimers() {
TimeEvent *cur, *next;
for (cur = _first_time_struct; cur; cur = next) {
next = cur->next;
delTimeEvent(cur);
}
}
bool SimonEngine::kickoffTimeEvents() {
time_t cur_time;
TimeEvent *te;
bool result = false;
time(&cur_time);
cur_time -= _base_time;
while ((te = _first_time_struct) != NULL && te->time <= (uint32)cur_time) {
result = true;
_pending_delete_time_event = te;
invokeTimeEvent(te);
if (_pending_delete_time_event) {
_pending_delete_time_event = NULL;
delTimeEvent(te);
}
}
return result;
}
void SimonEngine::invokeTimeEvent(TimeEvent *te) {
Subroutine *sub;
_script_cond_a = 0;
if (_run_script_return_1)
return;
sub = getSubroutineByID(te->subroutine_id);
if (sub != NULL)
startSubroutineEx(sub);
_run_script_return_1 = false;
}
void SimonEngine::o_setup_cond_c() {
setup_cond_c_helper();
_object_item = _hitarea_object_item;
if (_object_item == _dummy_item_2)
_object_item = getItem1Ptr();
if (_object_item == _dummy_item_3)
_object_item = derefItem(getItem1Ptr()->parent);
if (_object_item != NULL) {
_script_cond_c = _object_item->unk1;
} else {
_script_cond_c = -1;
}
}
void SimonEngine::setup_cond_c_helper() {
HitArea *last;
if (_game & GF_SIMON2) {
_mouse_cursor = 0;
if (_hitarea_unk_4 != 999) {
_mouse_cursor = 9;
_need_hitarea_recalc++;
_hitarea_unk_4 = 0;
}
}
_last_hitarea = 0;
_hitarea_object_item = NULL;
last = _last_hitarea_2_ptr;
defocusHitarea();
_last_hitarea_2_ptr = last;
for (;;) {
_last_hitarea = NULL;
_last_hitarea_3 = 0;
_left_button_down = 0;
do {
if (_exit_cutscene && (_bit_array[0] & 0x200)) {
startSubroutine170();
goto out_of_here;
}
delay(100);
} while (_last_hitarea_3 == (HitArea *) 0xFFFFFFFF || _last_hitarea_3 == 0);
if (_last_hitarea == NULL) {
} else if (_last_hitarea->id == 0x7FFB) {
handle_uparrow_hitarea(_last_hitarea->fcs);
} else if (_last_hitarea->id == 0x7FFC) {
handle_downarrow_hitarea(_last_hitarea->fcs);
} else if (_last_hitarea->item_ptr != NULL) {
_hitarea_object_item = _last_hitarea->item_ptr;
_variableArray[60] = (_last_hitarea->flags & 1) ? (_last_hitarea->flags >> 8) : 0xFFFF;
break;
}
}
out_of_here:
_last_hitarea_3 = 0;
_last_hitarea = 0;
_last_hitarea_2_ptr = NULL;
}
void SimonEngine::startSubroutine170() {
Subroutine *sub;
_sound->stopVoice();
sub = getSubroutineByID(170);
if (sub != NULL)
startSubroutineEx(sub);
_run_script_return_1 = true;
}
uint SimonEngine::get_fcs_ptr_3_index(FillOrCopyStruct *fcs) {
uint i;
for (i = 0; i != ARRAYSIZE(_fcs_ptr_array_3); i++)
if (_fcs_ptr_array_3[i] == fcs)
return i;
error("get_fcs_ptr_3_index: not found");
}
void SimonEngine::lock() {
_lock_counter++;
}
void SimonEngine::unlock() {
_lock_word |= 1;
if (_lock_counter != 0)
_lock_counter--;
_lock_word &= ~1;
}
void SimonEngine::handle_mouse_moved() {
uint x;
if (_lock_counter) {
_system->showMouse(false);
return;
}
_system->showMouse(true);
pollMouseXY();
if (_mouse_x >= 32768)
_mouse_x = 0;
if (_mouse_x >= 638 / 2)
_mouse_x = 638 / 2;
if (_mouse_y >= 32768)
_mouse_y = 0;
if (_mouse_y >= 199)
_mouse_y = 199;
if (_hitarea_unk_4) {
uint id = 101;
if (_mouse_y >= 136)
id = 102;
if (_hitarea_unk_4 != id)
hitarea_proc_1();
}
if (_game & GF_SIMON2) {
if (_bit_array[4] & 0x8000) {
if (!_vga_var9) {
if (_mouse_x >= 630 / 2 || _mouse_x < 9)
goto get_out2;
_vga_var9 = 1;
}
if (_vga_var2 == 0) {
if (_mouse_x >= 631 / 2) {
if (_x_scroll != _vga_var1)
_xscroll_step = 1;
} else if (_mouse_x < 8) {
if (_x_scroll != 0)
_xscroll_step = -1;
}
}
} else {
get_out2:;
_vga_var9 = 0;
}
}
if (_mouse_x != _mouse_x_old || _mouse_y != _mouse_y_old)
_need_hitarea_recalc++;
x = 0;
if (_last_hitarea_3 == 0 && _left_button_down != 0) {
_left_button_down = 0;
x = 1;
} else {
if (_hitarea_unk_3 == 0 && _need_hitarea_recalc == 0)
goto get_out;
}
setup_hitarea_from_pos(_mouse_x, _mouse_y, x);
_last_hitarea_3 = _last_hitarea;
if (x == 1 && _last_hitarea == NULL)
_last_hitarea_3 = (HitArea *) - 1;
get_out:
draw_mouse_pointer();
_need_hitarea_recalc = 0;
}
void SimonEngine::fcs_unk_proc_1(uint fcs_index, Item *item_ptr, int unk1, int unk2) {
Item *item_ptr_org = item_ptr;
FillOrCopyStruct *fcs_ptr;
uint width_div_3, height_div_3;
uint j, k, i, num_sibs_with_flag;
bool item_again;
uint x_pos, y_pos;
fcs_ptr = _fcs_ptr_array_3[fcs_index & 7];
if (!(_game & GF_SIMON2)) {
width_div_3 = fcs_ptr->width / 3;
height_div_3 = fcs_ptr->height / 3;
} else {
width_div_3 = 100;
height_div_3 = 40;
}
i = 0;
if (fcs_ptr == NULL)
return;
if (fcs_ptr->fcs_data)
fcs_unk1(fcs_index);
fcs_ptr->fcs_data = (FillOrCopyData *) malloc(sizeof(FillOrCopyData));
fcs_ptr->fcs_data->item_ptr = item_ptr;
fcs_ptr->fcs_data->unk3 = -1;
fcs_ptr->fcs_data->unk4 = -1;
fcs_ptr->fcs_data->unk1 = unk1;
fcs_ptr->fcs_data->unk2 = unk2;
item_ptr = derefItem(item_ptr->child);
while (item_ptr && unk1-- != 0) {
num_sibs_with_flag = 0;
while (item_ptr && width_div_3 > num_sibs_with_flag) {
if ((unk2 == 0 || item_ptr->unk4 & unk2) && has_item_childflag_0x10(item_ptr))
if (!(_game & GF_SIMON2)) {
num_sibs_with_flag++;
} else {
num_sibs_with_flag += 20;
}
item_ptr = derefItem(item_ptr->sibling);
}
}
if (item_ptr == NULL) {
fcs_ptr->fcs_data->unk1 = 0;
item_ptr = derefItem(item_ptr_org->child);
}
x_pos = 0;
y_pos = 0;
item_again = false;
k = 0;
j = 0;
while (item_ptr) {
if ((unk2 == 0 || item_ptr->unk4 & unk2) && has_item_childflag_0x10(item_ptr)) {
if (item_again == false) {
fcs_ptr->fcs_data->e[k].item = item_ptr;
if (!(_game & GF_SIMON2)) {
draw_icon_c(fcs_ptr, item_get_icon_number(item_ptr), x_pos * 3, y_pos);
fcs_ptr->fcs_data->e[k].hit_area =
setup_icon_hit_area(fcs_ptr, x_pos * 3, y_pos,
item_get_icon_number(item_ptr), item_ptr);
} else {
draw_icon_c(fcs_ptr, item_get_icon_number(item_ptr), x_pos, y_pos);
fcs_ptr->fcs_data->e[k].hit_area =
setup_icon_hit_area(fcs_ptr, x_pos, y_pos, item_get_icon_number(item_ptr), item_ptr);
}
k++;
} else {
fcs_ptr->fcs_data->e[k].item = NULL;
j = 1;
}
x_pos += (_game & GF_SIMON2) ? 20 : 1;
if (x_pos >= width_div_3) {
x_pos = 0;
y_pos += (_game & GF_SIMON2) ? 20 : 1;
if (y_pos >= height_div_3)
item_again = true;
}
}
item_ptr = derefItem(item_ptr->sibling);
}
fcs_ptr->fcs_data->e[k].item = NULL;
if (j != 0 || fcs_ptr->fcs_data->unk1 != 0) {
fcs_unk_proc_2(fcs_ptr, fcs_index);
}
}
void SimonEngine::fcs_unk_proc_2(FillOrCopyStruct *fcs, uint fcs_index) {
setup_hit_areas(fcs, fcs_index);
fcs->fcs_data->unk3 = _scroll_up_hit_area;
fcs->fcs_data->unk4 = _scroll_down_hit_area;
}
void SimonEngine::setup_hit_areas(FillOrCopyStruct *fcs, uint fcs_index) {
HitArea *ha;
ha = findEmptyHitArea();
_scroll_up_hit_area = ha - _hit_areas;
if (!(_game & GF_SIMON2)) {
ha->x = 308;
ha->y = 149;
ha->width = 12;
ha->height = 17;
ha->flags = 0x24;
ha->id = 0x7FFB;
ha->layer = 100;
ha->fcs = fcs;
ha->unk3 = 1;
} else {
ha->x = 81;
ha->y = 158;
ha->width = 12;
ha->height = 26;
ha->flags = 36;
ha->id = 0x7FFB;
ha->layer = 100;
ha->fcs = fcs;
ha->unk3 = 1;
}
ha = findEmptyHitArea();
_scroll_down_hit_area = ha - _hit_areas;
if (!(_game & GF_SIMON2)) {
ha->x = 308;
ha->y = 176;
ha->width = 12;
ha->height = 17;
ha->flags = 0x24;
ha->id = 0x7FFC;
ha->layer = 100;
ha->fcs = fcs;
ha->unk3 = 1;
// Simon1 specific
o_kill_sprite_simon1(0x80);
start_vga_code(0, 1, 0x80, 0, 0, 0xE);
} else {
ha->x = 227;
ha->y = 162;
ha->width = 12;
ha->height = 26;
ha->flags = 36;
ha->id = 0x7FFC;
ha->layer = 100;
ha->fcs = fcs;
ha->unk3 = 1;
}
}
bool SimonEngine::has_item_childflag_0x10(Item *item) {
Child2 *child = (Child2 *)findChildOfType(item, 2);
return child && (child->avail_props & 0x10) != 0;
}
uint SimonEngine::item_get_icon_number(Item *item) {
Child2 *child = (Child2 *)findChildOfType(item, 2);
uint offs;
if (child == NULL || !(child->avail_props & 0x10))
return 0;
offs = getOffsetOfChild2Param(child, 0x10);
return child->array[offs];
}
void SimonEngine::f10_key() {
HitArea *ha, *dha;
uint count;
uint y_, x_;
byte *dst;
uint b, color;
_lock_word |= 0x8000;
if (_game & GF_SIMON2)
color = 0xec;
else
color = 0xe1;
uint limit = (_game & GF_SIMON2) ? 200 : 134;
for (int i = 0; i < 5; i++) {
ha = _hit_areas;
count = ARRAYSIZE(_hit_areas);
timer_vga_sprites();
do {
if (ha->id != 0 && ha->flags & 0x20 && !(ha->flags & 0x40)) {
dha = _hit_areas;
if (ha->flags & 1) {
while (dha != ha && dha->flags != ha->flags)
++dha;
if (dha != ha && dha->flags == ha->flags)
continue;
} else {
dha = _hit_areas;
while (dha != ha && dha->item_ptr != ha->item_ptr)
++dha;
if (dha != ha && dha->item_ptr == ha->item_ptr)
continue;
}
if (ha->y >= limit || ((_game & GF_SIMON2) && ha->y >= _vga_var8))
continue;
y_ = (ha->height >> 1) - 4 + ha->y;
x_ = (ha->width >> 1) - 4 + ha->x - (_x_scroll << 3);
if (x_ >= 0x137)
continue;
dst = dx_lock_attached();
dst += (((_dx_surface_pitch >> 2) * y_) << 2) + x_;
b = _dx_surface_pitch;
dst[4] = color;
dst[b+1] = color;
dst[b+4] = color;
dst[b+7] = color;
b += _dx_surface_pitch;
dst[b+2] = color;
dst[b+4] = color;
dst[b+6] = color;
b += _dx_surface_pitch;
dst[b+3] = color;
dst[b+5] = color;
b += _dx_surface_pitch;
dst[b] = color;
dst[b+1] = color;
dst[b+2] = color;
dst[b+6] = color;
dst[b+7] = color;
dst[b+8] = color;
b += _dx_surface_pitch;
dst[b+3] = color;
dst[b+5] = color;
b += _dx_surface_pitch;
dst[b+2] = color;
dst[b+4] = color;
dst[b+6] = color;
b += _dx_surface_pitch;
dst[b+1] = color;
dst[b+4] = color;
dst[b+7] = color;
b += _dx_surface_pitch;
dst[b+4] = color;
dx_unlock_attached();
}
} while (ha++, --count);
dx_update_screen_and_palette();
delay(100);
timer_vga_sprites();
dx_update_screen_and_palette();
delay(100);
}
_lock_word &= ~0x8000;
}
void SimonEngine::hitarea_stuff() {
HitArea *ha;
uint id;
_left_button_down = 0;
_last_hitarea = 0;
_verb_hitarea = 0;
_hitarea_subject_item = NULL;
_hitarea_object_item = NULL;
hitarea_proc_1();
startOver:
for (;;) {
_last_hitarea = NULL;
_last_hitarea_3 = NULL;
for (;;) {
if (_key_pressed == 35)
f10_key();
processSpecialKeys();
if (_last_hitarea_3 == (HitArea *) 0xFFFFFFFF)
goto startOver;
if (_last_hitarea_3 != 0)
break;
hitarea_stuff_helper();
delay(100);
}
ha = _last_hitarea;
if (ha == NULL) {
} else if (ha->id == 0x7FFB) {
handle_uparrow_hitarea(ha->fcs);
} else if (ha->id == 0x7FFC) {
handle_downarrow_hitarea(ha->fcs);
} else if (ha->id >= 101 && ha->id < 113) {
_verb_hitarea = ha->unk3;
handle_verb_hitarea(ha);
_hitarea_unk_4 = 0;
} else {
if ((_verb_hitarea != 0 || _hitarea_subject_item != ha->item_ptr && ha->flags & 0x80) &&
ha->item_ptr) {
if_1:;
_hitarea_subject_item = ha->item_ptr;
id = 0xFFFF;
if (ha->flags & 1)
id = ha->flags >> 8;
_variableArray[60] = id;
new_current_hitarea(ha);
if (_verb_hitarea != 0)
break;
} else {
// else 1
if (ha->unk3 == 0) {
if (ha->item_ptr)
goto if_1;
} else {
_verb_hitarea = ha->unk3 & 0xBFFF;
if (ha->unk3 & 0x4000) {
_hitarea_subject_item = ha->item_ptr;
break;
}
if (_hitarea_subject_item != NULL)
break;
}
}
}
}
_need_hitarea_recalc++;
}
void SimonEngine::hitarea_stuff_helper() {
time_t cur_time;
if (!(_game & GF_SIMON2)) {
uint subr_id = _variableArray[254];
if (subr_id != 0) {
Subroutine *sub = getSubroutineByID(subr_id);
if (sub != NULL) {
startSubroutineEx(sub);
startUp_helper_2();
}
_variableArray[254] = 0;
_run_script_return_1 = false;
}
} else {
if (_variableArray[254] || _variableArray[249]) {
hitarea_stuff_helper_2();
}
}
time(&cur_time);
if ((uint) cur_time != _last_time) {
_last_time = cur_time;
if (kickoffTimeEvents())
startUp_helper_2();
}
}
// Simon 2 specific
void SimonEngine::hitarea_stuff_helper_2() {
uint subr_id;
Subroutine *sub;
subr_id = _variableArray[249];
if (subr_id != 0) {
sub = getSubroutineByID(subr_id);
if (sub != NULL) {
_variableArray[249] = 0;
startSubroutineEx(sub);
startUp_helper_2();
}
_variableArray[249] = 0;
}
subr_id = _variableArray[254];
if (subr_id != 0) {
sub = getSubroutineByID(subr_id);
if (sub != NULL) {
_variableArray[254] = 0;
startSubroutineEx(sub);
startUp_helper_2();
}
_variableArray[254] = 0;
}
_run_script_return_1 = false;
}
void SimonEngine::startUp_helper_2() {
if (!_mortal_flag) {
_mortal_flag = true;
showmessage_print_char(0);
_fcs_unk_1 = 0;
if (_fcs_ptr_array_3[0] != 0) {
_fcs_ptr_1 = _fcs_ptr_array_3[0];
showmessage_helper_3(_fcs_ptr_1->textLength, _fcs_ptr_1->textMaxLength);
}
_mortal_flag = false;
}
}
void SimonEngine::pollMouseXY() {
_mouse_x = _sdl_mouse_x;
_mouse_y = _sdl_mouse_y;
}
void SimonEngine::handle_verb_clicked(uint verb) {
Subroutine *sub;
int result;
_object_item = _hitarea_object_item;
if (_object_item == _dummy_item_2) {
_object_item = getItem1Ptr();
}
if (_object_item == _dummy_item_3) {
_object_item = derefItem(getItem1Ptr()->parent);
}
_subject_item = _hitarea_subject_item;
if (_subject_item == _dummy_item_2) {
_subject_item = getItem1Ptr();
}
if (_subject_item == _dummy_item_3) {
_subject_item = derefItem(getItem1Ptr()->parent);
}
if (_subject_item) {
_script_cond_b = _subject_item->unk1;
} else {
_script_cond_b = -1;
}
if (_object_item) {
_script_cond_c = _object_item->unk1;
} else {
_script_cond_c = -1;
}
_script_cond_a = _verb_hitarea;
sub = getSubroutineByID(0);
if (sub == NULL)
return;
result = startSubroutine(sub);
if (result == -1)
showMessageFormat("I don't understand");
_run_script_return_1 = false;
sub = getSubroutineByID(100);
if (sub)
startSubroutine(sub);
if (_game & GF_SIMON2)
_run_script_return_1 = false;
startUp_helper_2();
}
TextLocation *SimonEngine::getTextLocation(uint a) {
switch (a) {
case 1:
return &_textlocation_1;
case 2:
return &_textlocation_2;
case 101:
return &_textlocation_3;
case 102:
return &_textlocation_4;
default:
error("text, invalid value %d", a);
}
}
void SimonEngine::o_print_str() {
uint vga_sprite_id = getVarOrByte();
uint color = getVarOrByte();
uint string_id = getNextStringID();
const byte *string_ptr = NULL;
uint speech_id = 0;
TextLocation *tl;
if (string_id != 0xFFFF)
string_ptr = getStringPtrByID(string_id);
if (_game & GF_TALKIE)
speech_id = (uint16)getNextWord();
tl = getTextLocation(vga_sprite_id);
if (_speech && speech_id != 0)
talk_with_speech(speech_id, vga_sprite_id);
if ((_game & GF_SIMON2) && (_game & GF_TALKIE) && speech_id == 0)
o_kill_sprite_simon2(2, vga_sprite_id + 2);
if (string_ptr != NULL && (speech_id == 0 || _subtitles))
talk_with_text(vga_sprite_id, color, (const char *)string_ptr, tl->x, tl->y, tl->width);
}
void SimonEngine::ensureVgaResLoadedC(uint vga_res) {
_lock_word |= 0x80;
ensureVgaResLoaded(vga_res);
_lock_word &= ~0x80;
}
void SimonEngine::ensureVgaResLoaded(uint vga_res) {
VgaPointersEntry *vpe;
CHECK_BOUNDS(vga_res, _vga_buffer_pointers);
vpe = _vga_buffer_pointers + vga_res;
if (vpe->vgaFile1 != NULL)
return;
vpe->vgaFile2 = read_vga_from_datfile_2(vga_res * 2 + 1);
vpe->vgaFile1 = read_vga_from_datfile_2(vga_res * 2);
}
byte *SimonEngine::setup_vga_destination(uint32 size) {
byte *dest, *end;
_video_var_4 = 0;
for (;;) {
dest = _vga_buf_free_start;
end = dest + size;
if (end >= _vga_buf_end) {
_vga_buf_free_start = _vga_buf_start;
} else {
_video_var_5 = false;
vga_buf_unk_proc3(end);
if (_video_var_5)
continue;
vga_buf_unk_proc1(end);
if (_video_var_5)
continue;
delete_memptr_range(end);
_vga_buf_free_start = end;
return dest;
}
}
}
void SimonEngine::setup_vga_file_buf_pointers() {
byte *alloced;
alloced = (byte *)malloc(VGA_MEM_SIZE);
_vga_buf_free_start = alloced;
_vga_buf_start = alloced;
_vga_file_buf_org = alloced;
_vga_file_buf_org_2 = alloced;
_vga_buf_end = alloced + VGA_MEM_SIZE;
}
void SimonEngine::vga_buf_unk_proc3(byte *end) {
VgaPointersEntry *vpe;
if (_video_var_7 == 0xFFFF)
return;
if (_video_var_4 == 2)
error("vga_buf_unk_proc3: _video_var_4 == 2");
vpe = &_vga_buffer_pointers[_video_var_7];
if (_vga_buf_free_start <= vpe->vgaFile1 && end >= vpe->vgaFile1 ||
_vga_buf_free_start <= vpe->vgaFile2 && end >= vpe->vgaFile2) {
_video_var_5 = 1;
_video_var_4++;
_vga_buf_free_start = vpe->vgaFile1 + 0x5000;
} else {
_video_var_5 = 0;
}
}
void SimonEngine::vga_buf_unk_proc1(byte *end) {
VgaSprite *vsp;
if (_lock_word & 0x20)
return;
for (vsp = _vga_sprites; vsp->id; vsp++) {
vga_buf_unk_proc2(vsp->unk7, end);
if (_video_var_5 == true)
return;
}
}
void SimonEngine::delete_memptr_range(byte *end) {
uint count = ARRAYSIZE(_vga_buffer_pointers);
VgaPointersEntry *vpe = _vga_buffer_pointers;
do {
if (_vga_buf_free_start <= vpe->vgaFile1 && end >= vpe->vgaFile1 ||
_vga_buf_free_start <= vpe->vgaFile2 && end >= vpe->vgaFile2) {
vpe->dd = 0;
vpe->vgaFile1 = NULL;
vpe->vgaFile2 = NULL;
}
} while (++vpe, --count);
}
void SimonEngine::vga_buf_unk_proc2(uint a, byte *end) {
VgaPointersEntry *vpe;
vpe = &_vga_buffer_pointers[a];
if (_vga_buf_free_start <= vpe->vgaFile1 && end >= vpe->vgaFile1 ||
_vga_buf_free_start <= vpe->vgaFile2 && end >= vpe->vgaFile2) {
_video_var_5 = true;
_video_var_4++;
_vga_buf_free_start = vpe->vgaFile1 + 0x5000;
} else {
_video_var_5 = false;
}
}
void SimonEngine::o_clear_vgapointer_entry(uint a) {
VgaPointersEntry *vpe;
vpe = &_vga_buffer_pointers[a];
vpe->dd = 0;
vpe->vgaFile1 = NULL;
vpe->vgaFile2 = NULL;
}
void SimonEngine::o_set_video_mode(uint mode, uint vga_res) {
if (mode == 4)
vc_29_stop_all_sounds();
if (_lock_word & 0x10)
error("o_set_video_mode_ex: _lock_word & 0x10");
set_video_mode_internal(mode, vga_res);
}
void SimonEngine::set_video_mode_internal(uint mode, uint vga_res_id) {
uint num, num_lines;
VgaPointersEntry *vpe;
byte *bb, *b;
uint16 c;
const byte *vc_ptr_org;
_video_palette_mode = mode;
_lock_word |= 0x20;
if (vga_res_id == 0) {
if (!(_game & GF_SIMON2)) {
_unk_pal_flag = true;
} else {
_dx_use_3_or_4_for_lock = true;
_vga_var6 = true;
}
}
_vga_cur_file_2 = num = vga_res_id / 100;
for (;;) {
vpe = &_vga_buffer_pointers[num];
_cur_vga_file_1 = vpe->vgaFile1;
_cur_vga_file_2 = vpe->vgaFile2;
if (vpe->vgaFile1 != NULL)
break;
ensureVgaResLoaded(num);
}
// ensure flipping complete
bb = _cur_vga_file_1;
b = bb + READ_BE_UINT16(&((VgaFile1Header *) bb)->hdr2_start);
c = READ_BE_UINT16(&((VgaFile1Header2 *) b)->unk1);
b = bb + READ_BE_UINT16(&((VgaFile1Header2 *) b)->unk2_offs);
while (READ_BE_UINT16(&((VgaFile1Struct0x8 *) b)->id) != vga_res_id)
b += sizeof(VgaFile1Struct0x8);
if (!(_game & GF_SIMON2)) {
if (num == 16300) {
dx_clear_attached_from_top(134);
_use_palette_delay = true;
}
} else {
_x_scroll = 0;
_vga_var1 = 0;
_vga_var2 = 0;
_xscroll_step = 0;
_sprite_height = 134;
if (_variableArray[34] != -1)
_variableArray[251] = 0;
}
vc_ptr_org = _vc_ptr;
_vc_ptr = _cur_vga_file_1 + READ_BE_UINT16(&((VgaFile1Struct0x8 *) b)->script_offs);
//dump_vga_script(_vc_ptr, num, vga_res_id);
run_vga_script();
_vc_ptr = vc_ptr_org;
if (_game & GF_SIMON2) {
if (!_dx_use_3_or_4_for_lock) {
num_lines = _video_palette_mode == 4 ? 134 : 200;
_vga_var8 = num_lines;
dx_copy_from_attached_to_2(0, 0, 320, num_lines);
dx_copy_from_attached_to_3(num_lines);
_sync_flag_2 = 1;
}
_dx_use_3_or_4_for_lock = false;
} else {
// Allow one section of Simon the Sorcerer 1 introduction to be displayed
// in lower half of screen
if (_subroutine == 2923 || _subroutine == 2926)
num_lines = 200;
else
num_lines = _video_palette_mode == 4 ? 134 : 200;
dx_copy_from_attached_to_2(0, 0, 320, num_lines);
dx_copy_from_attached_to_3(num_lines);
_sync_flag_2 = 1;
_timer_5 = 0;
}
_lock_word &= ~0x20;
if (!(_game & GF_SIMON2)) {
if (_unk_pal_flag) {
_unk_pal_flag = false;
while (_palette_color_count != 0) {
delay(10);
}
}
}
}
void SimonEngine::o_fade_to_black() {
uint i;
memcpy(_video_buf_1, _palette_backup, 256 * sizeof(uint32));
i = NUM_PALETTE_FADEOUT;
do {
palette_fadeout((uint32 *)_video_buf_1, 32);
palette_fadeout((uint32 *)_video_buf_1 + 32 + 16, 144);
palette_fadeout((uint32 *)_video_buf_1 + 32 + 16 + 144 + 16, 48);
_system->setPalette(_video_buf_1, 0, 256);
if (_fade)
_system->updateScreen();
delay(5);
} while (--i);
memcpy(_palette_backup, _video_buf_1, 256 * sizeof(uint32));
memcpy(_palette, _video_buf_1, 256 * sizeof(uint32));
}
void SimonEngine::delete_vga_timer(VgaTimerEntry * vte) {
_lock_word |= 1;
if (vte + 1 <= _next_vga_timer_to_process) {
_next_vga_timer_to_process--;
}
do {
memcpy(vte, vte + 1, sizeof(VgaTimerEntry));
vte++;
} while (vte->delay);
_lock_word &= ~1;
}
void SimonEngine::expire_vga_timers() {
VgaTimerEntry *vte = _vga_timer_list;
_vga_tick_counter++;
while (vte->delay) {
if (!--vte->delay) {
uint16 cur_file = vte->cur_vga_file;
uint16 cur_unk = vte->sprite_id;
const byte *script_ptr = vte->script_pointer;
_next_vga_timer_to_process = vte + 1;
delete_vga_timer(vte);
if ((_game & GF_SIMON2) && script_ptr == NULL) {
// special scroll timer
scroll_timeout();
} else {
vc_resume_sprite(script_ptr, cur_file, cur_unk);
}
vte = _next_vga_timer_to_process;
} else {
vte++;
}
}
}
// Simon2 specific
void SimonEngine::scroll_timeout() {
if (_vga_var2 == 0)
return;
if (_vga_var2 < 0) {
if (_xscroll_step != -1) {
_xscroll_step = -1;
if (++_vga_var2 == 0)
return;
}
} else {
if (_xscroll_step != 1) {
_xscroll_step = 1;
if (--_vga_var2 == 0)
return;
}
}
add_vga_timer(6, NULL, 0, 0);
}
void SimonEngine::vc_resume_sprite(const byte *code_ptr, uint16 cur_file, uint16 cur_sprite) {
VgaPointersEntry *vpe;
_vga_cur_sprite_id = cur_sprite;
_vga_cur_file_id = cur_file;
_vga_cur_file_2 = cur_file;
vpe = &_vga_buffer_pointers[cur_file];
_cur_vga_file_1 = vpe->vgaFile1;
_cur_vga_file_2 = vpe->vgaFile2;
_vc_ptr = code_ptr;
run_vga_script();
}
void SimonEngine::add_vga_timer(uint num, const byte *code_ptr, uint cur_sprite, uint cur_file) {
VgaTimerEntry *vte;
// When Simon talks to the Golum about stew in French version of
// Simon the Sorcerer 1 the code_ptr is at wrong location for
// sprite 200. This was a bug in the original game, which
// caused several glitches in this scene.
// We work around the problem by correcting the code_ptr for sprite
// 200 in this scene, if it is wrong.
if (!(_game & GF_SIMON2) && (_language == 2) &&
(code_ptr - _vga_buffer_pointers[cur_file].vgaFile1 == 4) && (cur_sprite == 200) && (cur_file == 2))
code_ptr += 0x66;
_lock_word |= 1;
for (vte = _vga_timer_list; vte->delay; vte++) {
}
vte->delay = num;
vte->script_pointer = code_ptr;
vte->sprite_id = cur_sprite;
vte->cur_vga_file = cur_file;
_lock_word &= ~1;
}
void SimonEngine::o_force_unlock() {
if (_game & GF_SIMON2 && _bit_array[4] & 0x8000)
_mouse_cursor = 0;
_lock_counter = 0;
}
void SimonEngine::o_force_lock() {
if (_game & GF_SIMON2) {
_lock_word |= 0x8000;
vc_34_force_lock();
_lock_word &= ~0x8000;
} else {
_lock_word |= 0x4000;
vc_34_force_lock();
_lock_word &= ~0x4000;
}
}
void SimonEngine::o_wait_for_vga(uint a) {
_vga_wait_for = a;
_timer_1 = 0;
_exit_cutscene = false;
_skip_speech = false;
while (_vga_wait_for != 0) {
if (_skip_speech && _game & GF_SIMON2) {
if (_vga_wait_for == 200 && !vc_get_bit(14)) {
skip_speech();
break;
}
} else if (_exit_cutscene) {
if (vc_get_bit(9)) {
startSubroutine170();
break;
}
} else {
processSpecialKeys();
}
delay(10);
if (_game & GF_SIMON2) {
if (_timer_1 >= 1000) {
warning("wait timed out");
break;
}
} else if (_timer_1 >= 500) {
warning("wait timed out");
break;
}
}
}
void SimonEngine::skip_speech() {
_sound->stopVoice();
if (!(_bit_array[1] & 0x1000)) {
_bit_array[0] |= 0x4000;
_variableArray[100] = 5;
start_vga_code(4, 1, 0x1e, 0, 0, 0);
o_wait_for_vga(0x82);
o_kill_sprite_simon2(2, 1);
}
}
void SimonEngine::timer_vga_sprites() {
VgaSprite *vsp;
VgaPointersEntry *vpe;
const byte *vc_ptr_org = _vc_ptr;
uint16 params[5]; // parameters to vc_10
if (_video_var_9 == 2)
_video_var_9 = 1;
if (_game & GF_SIMON2 && _xscroll_step) {
timer_vga_sprites_helper();
}
vsp = _vga_sprites;
while (vsp->id != 0) {
vsp->unk6 &= 0x7FFF;
vpe = &_vga_buffer_pointers[vsp->unk7];
_cur_vga_file_1 = vpe->vgaFile1;
_cur_vga_file_2 = vpe->vgaFile2;
_video_palette_mode = vsp->unk6;
_vga_cur_sprite_id = vsp->id;
params[0] = READ_BE_UINT16(&vsp->image);
params[1] = READ_BE_UINT16(&vsp->base_color);
params[2] = READ_BE_UINT16(&vsp->x);
params[3] = READ_BE_UINT16(&vsp->y);
if (_game & GF_SIMON2) {
*(byte *)(&params[4]) = (byte)vsp->unk4;
} else {
params[4] = READ_BE_UINT16(&vsp->unk4);
}
_vc_ptr = (const byte *)params;
vc_10_draw();
vsp++;
}
if (_draw_images_debug)
memset(_sdl_buf_attached, 0, 320 * 200);
_video_var_8++;
_vc_ptr = vc_ptr_org;
}
void SimonEngine::timer_vga_sprites_helper() {
byte *dst = dx_lock_2();
const byte *src;
uint x;
if (_xscroll_step < 0) {
memmove(dst + 8, dst, 320 * _sprite_height - 8);
} else {
memmove(dst, dst + 8, 320 * _sprite_height - 8);
}
x = _x_scroll - 1;
if (_xscroll_step > 0) {
dst += 320 - 8;
x += 41;
}
src = _vga_var7 + x * 4;
decodeStripA(dst, src + READ_BE_UINT32(src), _sprite_height);
dx_unlock_2();
memcpy(_sdl_buf_attached, _sdl_buf, 320 * 200);
dx_copy_from_attached_to_3(_sprite_height);
_x_scroll += _xscroll_step;
vc_write_var(0xfB, _x_scroll);
_xscroll_step = 0;
}
void SimonEngine::timer_vga_sprites_2() {
VgaSprite *vsp;
VgaPointersEntry *vpe;
const byte *vc_ptr_org = _vc_ptr;
uint16 params[5]; // parameters to vc_10_draw
if (_video_var_9 == 2)
_video_var_9 = 1;
vsp = _vga_sprites;
while (vsp->id != 0) {
vsp->unk6 &= 0x7FFF;
vpe = &_vga_buffer_pointers[vsp->unk7];
_cur_vga_file_1 = vpe->vgaFile1;
_cur_vga_file_2 = vpe->vgaFile2;
_video_palette_mode = vsp->unk6;
_vga_cur_sprite_id = vsp->id;
if (vsp->image)
fprintf(_dump_file, "id:%5d image:%3d base-color:%3d x:%3d y:%3d flags:%x\n",
vsp->id, vsp->image, vsp->base_color, vsp->x, vsp->y, vsp->unk4);
params[0] = READ_BE_UINT16(&vsp->image);
params[1] = READ_BE_UINT16(&vsp->base_color);
params[2] = READ_BE_UINT16(&vsp->x);
params[3] = READ_BE_UINT16(&vsp->y);
params[4] = READ_BE_UINT16(&vsp->unk4);
_vc_ptr = (const byte *)params;
vc_10_draw();
vsp++;
}
_video_var_8++;
_vc_ptr = vc_ptr_org;
}
void SimonEngine::timer_proc1() {
_timer_4++;
if (_game & GF_SIMON2) {
if (_lock_word & 0x80E9 || _lock_word & 2)
return;
} else {
if (_lock_word & 0xC0E9 || _lock_word & 2)
return;
}
_timer_1++;
_lock_word |= 2;
if (!(_lock_word & 0x10)) {
expire_vga_timers();
expire_vga_timers();
_sync_flag_2 ^= 1;
_cepe_flag ^= 1;
if (!_cepe_flag)
expire_vga_timers();
if (_lock_counter != 0 && !_sync_flag_2) {
_lock_word &= ~2;
return;
}
}
timer_vga_sprites();
if (_draw_images_debug)
timer_vga_sprites_2();
if (_copy_partial_mode == 1) {
dx_copy_from_2_to_attached(80, 46, 208 - 80, 94 - 46);
}
if (_copy_partial_mode == 2) {
// copy partial from attached to 2
dx_copy_from_attached_to_2(176, 61, 320 - 176, 134 - 61);
_copy_partial_mode = 0;
}
if (_video_var_8) {
handle_mouse_moved();
dx_update_screen_and_palette();
_sync_flag_1 = false;
_video_var_8 = false;
}
_lock_word &= ~2;
}
void SimonEngine::timer_callback() {
if (_timer_5 != 0) {
_sync_flag_2 = true;
_timer_5--;
} else {
timer_proc1();
}
}
void SimonEngine::fcs_setTextColor(FillOrCopyStruct *fcs, uint value) {
fcs->text_color = value;
}
void SimonEngine::o_vga_reset() {
if (_game & GF_SIMON2) {
_lock_word |= 0x8000;
vc_27_reset();
_lock_word &= ~0x8000;
} else {
_lock_word |= 0x4000;
vc_27_reset();
_lock_word &= ~0x4000;
}
}
bool SimonEngine::itemIsSiblingOf(uint16 a) {
Item *item;
CHECK_BOUNDS(a, _vc_item_array);
item = _vc_item_array[a];
if (item == NULL)
return true;
return getItem1Ptr()->parent == item->parent;
}
bool SimonEngine::itemIsParentOf(uint16 a, uint16 b) {
Item *item_a, *item_b;
CHECK_BOUNDS(a, _vc_item_array);
CHECK_BOUNDS(b, _vc_item_array);
item_a = _vc_item_array[a];
item_b = _vc_item_array[b];
if (item_a == NULL || item_b == NULL)
return true;
return derefItem(item_a->parent) == item_b;
}
bool SimonEngine::vc_maybe_skip_proc_1(uint16 a, int16 b) {
Item *item;
CHECK_BOUNDS(a, _vc_item_array);
item = _vc_item_array[a];
if (item == NULL)
return true;
return item->unk3 == b;
}
// OK
void SimonEngine::fcs_delete(uint a) {
if (_fcs_ptr_array_3[a] == NULL)
return;
fcs_unk1(a);
video_copy_if_flag_0x8_c(_fcs_ptr_array_3[a]);
_fcs_ptr_array_3[a] = NULL;
if (_fcs_unk_1 == a) {
_fcs_ptr_1 = NULL;
fcs_unk_2(0);
}
}
// OK
void SimonEngine::fcs_unk_2(uint a) {
a &= 7;
if (_fcs_ptr_array_3[a] == NULL || _fcs_unk_1 == a)
return;
_fcs_unk_1 = a;
showmessage_print_char(0);
_fcs_ptr_1 = _fcs_ptr_array_3[a];
showmessage_helper_3(_fcs_ptr_1->textLength, _fcs_ptr_1->textMaxLength);
}
// OK
FillOrCopyStruct *SimonEngine::fcs_alloc(uint x, uint y, uint w, uint h, uint flags, uint fill_color,
uint unk4) {
FillOrCopyStruct *fcs;
fcs = _fcs_list;
while (fcs->mode != 0)
fcs++;
fcs->mode = 2;
fcs->x = x;
fcs->y = y;
fcs->width = w;
fcs->height = h;
fcs->flags = flags;
fcs->fill_color = fill_color;
fcs->text_color = unk4;
fcs->textColumn = 0;
fcs->textRow = 0;
fcs->textColumnOffset = 0;
fcs->textMaxLength = fcs->width * 8 / 6; // characters are 6 pixels
return fcs;
}
Item *SimonEngine::derefItem(uint item) {
if (item >= _itemarray_size)
error("derefItem: invalid item %d", item);
return _itemarray_ptr[item];
}
uint SimonEngine::itemPtrToID(Item *id) {
uint i;
for (i = 0; i != _itemarray_size; i++)
if (_itemarray_ptr[i] == id)
return i;
error("itemPtrToID: not found");
}
void SimonEngine::o_pathfind(int x, int y, uint var_1, uint var_2) {
const uint16 *p;
uint i, j;
uint prev_i;
uint x_diff, y_diff;
uint best_i = 0, best_j = 0, best_dist = 0xFFFFFFFF;
if (_game & GF_SIMON2) {
x += _x_scroll * 8;
}
prev_i = 21 - _variableArray[12];
for (i = 20; i != 0; --i) {
p = (const uint16 *)_pathfind_array[20 - i];
if (!p)
continue;
for (j = 0; READ_BE_UINT16(&p[0]) != 999; j++, p += 2) { // 0xE703 = byteswapped 999
x_diff = abs((int)(READ_BE_UINT16(&p[0]) - x));
y_diff = abs((int)(READ_BE_UINT16(&p[1]) - 12 - y));
if (x_diff < y_diff) {
x_diff >>= 2;
y_diff <<= 2;
}
x_diff += y_diff >> 2;
if (x_diff < best_dist || x_diff == best_dist && prev_i == i) {
best_dist = x_diff;
best_i = 21 - i;
best_j = j;
}
}
}
_variableArray[var_1] = best_i;
_variableArray[var_2] = best_j;
}
// ok
void SimonEngine::fcs_unk1(uint fcs_index) {
FillOrCopyStruct *fcs;
uint16 fcsunk1;
uint16 i;
fcs = _fcs_ptr_array_3[fcs_index & 7];
fcsunk1 = _fcs_unk_1;
if (fcs == NULL || fcs->fcs_data == NULL)
return;
fcs_unk_2(fcs_index);
fcs_putchar(12);
fcs_unk_2(fcsunk1);
for (i = 0; fcs->fcs_data->e[i].item != NULL; i++) {
delete_hitarea_by_index(fcs->fcs_data->e[i].hit_area);
}
if (fcs->fcs_data->unk3 != -1) {
delete_hitarea_by_index(fcs->fcs_data->unk3);
}
if (fcs->fcs_data->unk4 != -1) {
delete_hitarea_by_index(fcs->fcs_data->unk4);
if (!(_game & GF_SIMON2))
fcs_unk_5(fcs, fcs_index);
}
free(fcs->fcs_data);
fcs->fcs_data = NULL;
_fcs_data_1[fcs_index] = 0;
_fcs_data_2[fcs_index] = 0;
}
// ok
void SimonEngine::fcs_unk_5(FillOrCopyStruct *fcs, uint fcs_index) {
o_kill_sprite_simon1(0x80);
}
void SimonEngine::delete_hitarea_by_index(uint index) {
CHECK_BOUNDS(index, _hit_areas);
_hit_areas[index].flags = 0;
}
// ok
void SimonEngine::fcs_putchar(uint a) {
if (_fcs_ptr_1 != _fcs_ptr_array_3[0])
video_putchar(_fcs_ptr_1, a);
}
// ok
void SimonEngine::video_fill_or_copy_from_3_to_2(FillOrCopyStruct *fcs) {
if (fcs->flags & 0x10)
copy_img_from_3_to_2(fcs);
else
video_erase(fcs);
fcs->textColumn = 0;
fcs->textRow = 0;
fcs->textColumnOffset = 0;
fcs->textLength = 0;
}
// ok
void SimonEngine::copy_img_from_3_to_2(FillOrCopyStruct *fcs) {
_lock_word |= 0x8000;
if (!(_game & GF_SIMON2)) {
dx_copy_rgn_from_3_to_2(fcs->y + fcs->height * 8 + ((fcs == _fcs_ptr_array_3[2]) ? 1 : 0), (fcs->x + fcs->width) * 8, fcs->y, fcs->x * 8);
} else {
if (_vga_var6 && _fcs_ptr_array_3[2] == fcs) {
fcs = _fcs_ptr_array_3[0x18 / 4];
_vga_var6 = 0;
}
dx_copy_rgn_from_3_to_2(fcs->y + fcs->height * 8, (fcs->x + fcs->width) * 8, fcs->y, fcs->x * 8);
}
_lock_word &= ~0x8000;
}
void SimonEngine::video_erase(FillOrCopyStruct *fcs) {
byte *dst;
uint h;
_lock_word |= 0x8000;
dst = dx_lock_2();
dst += _dx_surface_pitch * fcs->y + fcs->x * 8;
h = fcs->height * 8;
do {
memset(dst, fcs->fill_color, fcs->width * 8);
dst += _dx_surface_pitch;
} while (--h);
dx_unlock_2();
_lock_word &= ~0x8000;
}
VgaSprite *SimonEngine::find_cur_sprite() {
VgaSprite *vsp = _vga_sprites;
while (vsp->id) {
if (_game & GF_SIMON2) {
if (vsp->id == _vga_cur_sprite_id && vsp->unk7 == _vga_cur_file_id)
break;
} else {
if (vsp->id == _vga_cur_sprite_id)
break;
}
vsp++;
}
return vsp;
}
bool SimonEngine::has_vga_sprite_with_id(uint16 id, uint16 file) {
VgaSprite *vsp = _vga_sprites;
while (vsp->id) {
if (_game & GF_SIMON2) {
if (vsp->id == id && vsp->unk7 == file)
return true;
} else {
if (vsp->id == id)
return true;
}
vsp++;
}
return false;
}
void SimonEngine::processSpecialKeys() {
switch (_key_pressed) {
case 27: // escape
_exit_cutscene = true;
break;
case 59: // F1
if (_game & GF_SIMON2) {
vc_write_var(5, 50);
} else {
vc_write_var(5, 40);
}
vc_write_var(86, 0);
break;
case 60: // F2
if (_game & GF_SIMON2) {
vc_write_var(5, 75);
} else {
vc_write_var(5, 60);
}
vc_write_var(86, 1);
break;
case 61: // F3
if (_game & GF_SIMON2) {
vc_write_var(5, 125);
} else {
vc_write_var(5, 100);
}
vc_write_var(86, 2);
break;
case 63: // F5
if (_game & GF_SIMON2)
_exit_cutscene = true;
break;
case 'p':
pause();
break;
case 't':
if ((_game & GF_SIMON2 && _game & GF_TALKIE) || ( _game & GF_TALKIE && _language > 1))
if (_speech)
_subtitles ^= 1;
break;
case 'v':
if ((_game & GF_SIMON2) && (_game & GF_TALKIE))
if (_subtitles)
_speech ^= 1;
case '+':
midi.set_volume(midi.get_volume() + 16);
break;
case '-':
midi.set_volume(midi.get_volume() - 16);
break;
case 'm':
midi.pause(_music_paused ^= 1);
break;
case 's':
if (_game == GAME_SIMON1DOS)
midi._enable_sfx ^= 1;
else
_sound->effectsPause(_effects_paused ^= 1);
break;
case 'b':
_sound->ambientPause(_ambient_paused ^= 1);
break;
case 'r':
if (_debugMode)
_start_mainscript ^= 1;
break;
case 'o':
if (_debugMode)
_continous_mainscript ^= 1;
break;
case 'a':
if (_debugMode)
_start_vgascript ^= 1;
break;
case 'g':
if (_debugMode)
_continous_vgascript ^= 1;
break;
case 'i':
if (_debugMode)
_draw_images_debug ^= 1;
break;
case 'd':
if (_debugMode)
_dump_images ^=1;
break;
}
_key_pressed = 0;
}
void SimonEngine::pause() {
_key_pressed = 1;
_pause = 1;
bool ambient_status = _ambient_paused;
bool music_status = _music_paused;
midi.pause(true);
_sound->ambientPause(true);
while (_pause) {
delay(1);
if (_key_pressed == 'p')
_pause = 0;
}
midi.pause(music_status);
_sound->ambientPause(ambient_status);
}
void SimonEngine::video_toggle_colors(HitArea * ha, byte a, byte b, byte c, byte d) {
byte *src, color;
uint w, h, i;
_lock_word |= 0x8000;
src = dx_lock_2() + ha->y * _dx_surface_pitch + ha->x;
w = ha->width;
h = ha->height;
// Works around bug in original Simon the Sorcerer 2
// Animations continue in background when load/save dialog is open
// often causing the savegame name highlighter to be cut short
if (!(h > 0 && w > 0 && ha->x + w <= 320 && ha->y + h <= 200)) {
debug(1,"Invalid coordinates in video_toggle_colors (%d,%d,%d,%d)", ha->x, ha->y, ha->width, ha->height);
_lock_word &= ~0x8000;
return;
}
do {
for (i = 0; i != w; ++i) {
color = src[i];
if (a >= color && b < color) {
if (c >= color)
color += d;
else
color -= d;
src[i] = color;
}
}
src += _dx_surface_pitch;
} while (--h);
dx_unlock_2();
_lock_word &= ~0x8000;
}
void SimonEngine::video_copy_if_flag_0x8_c(FillOrCopyStruct *fcs) {
if (fcs->flags & 8)
copy_img_from_3_to_2(fcs);
fcs->mode = 0;
}
void SimonEngine::start_vga_code(uint b, uint vga_res, uint vga_sprite_id, uint x, uint y, uint base_color) {
VgaSprite *vsp;
VgaPointersEntry *vpe;
byte *p, *pp;
uint count;
_lock_word |= 0x40;
if (has_vga_sprite_with_id(vga_sprite_id, vga_res)) {
_lock_word &= ~0x40;
return;
}
vsp = _vga_sprites;
while (vsp->id != 0)
vsp++;
vsp->unk6 = b;
vsp->priority = 0;
vsp->unk4 = 0;
vsp->y = y;
vsp->x = x;
vsp->image = 0;
vsp->base_color = base_color;
vsp->id = vga_sprite_id;
if (!(_game & GF_SIMON2))
vsp->unk7 = vga_res = vga_sprite_id / 100;
else
vsp->unk7 = vga_res;
for (;;) {
vpe = &_vga_buffer_pointers[vga_res];
_vga_cur_file_2 = vga_res;
_cur_vga_file_1 = vpe->vgaFile1;
if (vpe->vgaFile1 != NULL)
break;
ensureVgaResLoaded(vga_res);
}
pp = _cur_vga_file_1;
p = pp + READ_BE_UINT16(&((VgaFile1Header *) pp)->hdr2_start);
count = READ_BE_UINT16(&((VgaFile1Header2 *) p)->id_count);
p = pp + READ_BE_UINT16(&((VgaFile1Header2 *) p)->id_table);
for (;;) {
if (READ_BE_UINT16(&((VgaFile1Struct0x6 *) p)->id) == vga_sprite_id) {
if (_start_vgascript)
dump_vga_script(pp + READ_BE_UINT16(&((VgaFile1Struct0x6*)p)->script_offs), vga_res, vga_sprite_id);
add_vga_timer(VGA_DELAY_BASE, pp + READ_BE_UINT16(&((VgaFile1Struct0x6 *) p)->script_offs), vga_sprite_id, vga_res);
break;
}
p += sizeof(VgaFile1Struct0x6);
if (!--count) {
vsp->id = 0;
break;
}
}
_lock_word &= ~0x40;
}
void SimonEngine::talk_with_speech(uint speech_id, uint vga_sprite_id) {
if (!(_game & GF_SIMON2)) {
if (speech_id == 9999) {
if (_subtitles)
return;
if (!(_bit_array[0] & 0x4000) && !(_bit_array[1] & 0x1000)) {
_bit_array[0] |= 0x4000;
_variableArray[100] = 0xF;
start_vga_code(4, 1, 0x82, 0, 0, 0);
o_wait_for_vga(0x82);
}
_skip_vga_wait = true;
} else {
if (_subtitles && _scriptvar_2) {
start_vga_code(4, 2, 204, 0, 0, 0);
o_wait_for_vga(204);
o_kill_sprite_simon1(204);
}
o_kill_sprite_simon1(vga_sprite_id + 201);
_sound->playVoice(speech_id);
start_vga_code(4, 2, vga_sprite_id + 201, 0, 0, 0);
}
} else {
if (speech_id == 0xFFFF) {
if (_subtitles)
return;
if (!(_bit_array[0] & 0x4000) && !(_bit_array[1] & 0x1000)) {
_bit_array[0] |= 0x4000;
_variableArray[100] = 5;
start_vga_code(4, 1, 0x1e, 0, 0, 0);
o_wait_for_vga(0x82);
}
_skip_vga_wait = true;
} else {
if (_subtitles && _language != 20) {
_sound->playVoice(speech_id);
return;
} else if (_subtitles && _scriptvar_2) {
start_vga_code(4, 2, 5, 0, 0, 0);
o_wait_for_vga(205);
o_kill_sprite_simon2(2,5);
}
o_kill_sprite_simon2(2, vga_sprite_id + 2);
_sound->playVoice(speech_id);
start_vga_code(4, 2, vga_sprite_id + 2, 0, 0, 0);
}
}
}
void SimonEngine::talk_with_text(uint vga_sprite_id, uint color, const char *string, int16 x, int16 y, int16 width) {
char convertedString[320];
char *convertedString2 = convertedString;
int16 height, len_div_3;
int stringLength = strlen(string);
int padding, lettersPerRow, lettersPerRowJustified;
const int textHeight = 10;
height = textHeight;
lettersPerRow = width / 6;
lettersPerRowJustified = stringLength / (stringLength / lettersPerRow + 1) + 1;
len_div_3 = (stringLength + 3) / 3;
if (!(_game & GF_SIMON2) && (_game & GF_TALKIE)) {
if (_variableArray[141] == 0)
_variableArray[141] = 9;
_variableArray[85] = _variableArray[141] * len_div_3;
} else {
if (_variableArray[86] == 0)
len_div_3 >>= 1;
if (_variableArray[86] == 2)
len_div_3 <<= 1;
_variableArray[85] = len_div_3 * 5;
}
assert(stringLength > 0);
while (stringLength > 0) {
int pos = 0;
if (stringLength > lettersPerRow) {
int removeLastWord = 0;
if (lettersPerRow > lettersPerRowJustified) {
pos = lettersPerRowJustified;
while (string[pos] != ' ')
pos++;
if (pos > lettersPerRow)
removeLastWord = 1;
}
if (lettersPerRow <= lettersPerRowJustified || removeLastWord) {
pos = lettersPerRow;
while (string[pos] != ' ' && pos > 0)
pos--;
}
height += textHeight;
y -= textHeight;
} else
pos = stringLength;
padding = (lettersPerRow - pos) % 2 ?
(lettersPerRow - pos) / 2 + 1 : (lettersPerRow - pos) / 2;
while (padding--)
*convertedString2++ = ' ';
stringLength -= pos;
while (pos--)
*convertedString2++ = *string++;
*convertedString2++ = '\n';
string++; // skip space
stringLength--; // skip space
}
*(convertedString2 - 1) = '\0';
if (_game & GF_SIMON2)
o_kill_sprite_simon2(2, vga_sprite_id);
else
o_kill_sprite_simon1(vga_sprite_id + 199);
color = color * 3 + 192;
if (_game & GF_AMIGA)
render_string_amiga(vga_sprite_id, color, width, height, convertedString);
else
render_string(vga_sprite_id, color, width, height, convertedString);
int b = 4;
if (!(_bit_array[8] & 0x20))
b = 3;
x >>= 3;
if (y < 2)
y = 2;
if (_game & GF_SIMON2)
start_vga_code(b, 2, vga_sprite_id, x, y, 12);
else
start_vga_code(b, 2, vga_sprite_id + 199, x, y, 12);
}
// Thanks to Stuart Caie for providing the original
// C conversion upon which this decruncher is based.
#define SD_GETBIT(var) do { \
if (!bits--) { \
s -= 4; \
if (s < src) \
return false; \
bb = READ_BE_UINT32(s); \
bits = 31; \
} \
(var) = bb & 1; \
bb >>= 1; \
}while(0)
#define SD_GETBITS(var, nbits) do { \
bc = (nbits); \
(var) = 0; \
while(bc--) { \
(var) <<= 1; \
SD_GETBIT(bit); \
(var) |= bit; \
} \
}while(0)
#define SD_TYPE_LITERAL (0)
#define SD_TYPE_MATCH (1)
static bool decrunch_file_amiga (byte *src, byte *dst, uint32 size) {
byte *s = src + size - 4;
uint32 destlen = READ_BE_UINT32 (s);
uint32 bb, x, y;
byte *d = dst + destlen;
byte bc, bit, bits, type;
// Initialize bit buffer.
s -= 4;
bb = x = READ_BE_UINT32 (s);
bits = 0;
do {
x >>= 1;
bits++;
} while (x);
bits--;
while (d > dst) {
SD_GETBIT(x);
if (x) {
SD_GETBITS(x, 2);
switch (x) {
case 0:
type = SD_TYPE_MATCH;
x = 9;
y = 2;
break;
case 1:
type = SD_TYPE_MATCH;
x = 10;
y = 3;
break;
case 2:
type = SD_TYPE_MATCH;
x = 12;
SD_GETBITS(y, 8);
break;
default:
type = SD_TYPE_LITERAL;
x = 8;
y = 8;
}
} else {
SD_GETBIT(x);
if (x) {
type = SD_TYPE_MATCH;
x = 8;
y = 1;
} else {
type = SD_TYPE_LITERAL;
x = 3;
y = 0;
}
}
if (type == SD_TYPE_LITERAL) {
SD_GETBITS(x, x);
y += x;
if ((int)(y + 1) > (d - dst))
return false; // Overflow?
do {
SD_GETBITS(x, 8);
*--d = x;
} while (y-- > 0);
} else {
if ((int)(y + 1) > (d - dst))
return false; // Overflow?
SD_GETBITS(x, x);
if ((d + x) > (dst + destlen))
return false; // Offset overflow?
do {
d--;
*d = d[x];
} while (y-- > 0);
}
}
// Successful decrunch.
return true;
}
#undef SD_GETBIT
#undef SD_GETBITS
#undef SD_TYPE_LITERAL
#undef SD_TYPE_MATCH
void SimonEngine::read_vga_from_datfile_1(uint vga_id) {
if (_game & GF_OLD_BUNDLE) {
File in;
char buf[15];
uint32 size;
if (vga_id == 23)
vga_id = 112;
if (vga_id == 328)
vga_id = 119;
if (_game == GAME_SIMON1CD32) {
sprintf(buf, "0%d.out", vga_id);
} else if (_game == GAME_SIMON1AMIGA) {
sprintf(buf, "0%d.pkd", vga_id);
} else {
sprintf(buf, "0%d.VGA", vga_id);
}
in.open(buf);
if (in.isOpen() == false)
error("read_vga_from_datfile_1: can't open %s", buf);
size = in.size();
if (_game == GAME_SIMON1AMIGA) {
byte *buffer = new byte[size];
if (in.read(buffer, size) != size)
error("read_vga_from_datfile_1: read failed");
decrunch_file_amiga (buffer, _vga_buffer_pointers[11].vgaFile2, size);
delete [] buffer;
} else {
if (in.read(_vga_buffer_pointers[11].vgaFile2, size) != size)
error("read_vga_from_datfile_1: read failed");
}
in.close();
} else {
uint32 offs_a = _game_offsets_ptr[vga_id];
uint32 size = _game_offsets_ptr[vga_id + 1] - offs_a;
resfile_read(_vga_buffer_pointers[11].vgaFile2, offs_a, size);
}
}
byte *SimonEngine::read_vga_from_datfile_2(uint id) {
// !!! HACK !!!
// allocate more space for text to cope with foreign languages that use
// up more space than english. I hope 6400 bytes are enough. This number
// is base on: 2 (lines) * 320 (screen width) * 10 (textheight) -- olki
int extraBuffer = (id == 5 ? 6400 : 0);
if (_game & GF_OLD_BUNDLE) {
File in;
char buf[15];
uint32 size;
byte *dst;
if (_game == GAME_SIMON1CD32) {
sprintf(buf, "%.3d%d.out", id >> 1, (id & 1) + 1);
} else if (_game == GAME_SIMON1AMIGA) {
sprintf(buf, "%.3d%d.pkd", id >> 1, (id & 1) + 1);
} else {
sprintf(buf, "%.3d%d.VGA", id >> 1, (id & 1) + 1);
}
in.open(buf);
if (in.isOpen() == false)
error("read_vga_from_datfile_2: can't open %s", buf);
size = in.size();
if (_game == GAME_SIMON1AMIGA) {
byte *buffer = new byte[size];
if (in.read(buffer, size) != size)
error("read_vga_from_datfile_2: read failed");
dst = setup_vga_destination (READ_BE_UINT32(buffer + size - 4) + extraBuffer);
decrunch_file_amiga (buffer, dst, size);
delete[] buffer;
} else {
dst = setup_vga_destination(size + extraBuffer);
if (in.read(dst, size) != size)
error("read_vga_from_datfile_2: read failed");
}
in.close();
return dst;
} else {
uint32 offs_a = _game_offsets_ptr[id];
uint32 size = _game_offsets_ptr[id + 1] - offs_a;
byte *dst;
dst = setup_vga_destination(size + extraBuffer);
resfile_read(dst, offs_a, size);
return dst;
}
}
void SimonEngine::resfile_read(void *dst, uint32 offs, uint32 size) {
_game_file->seek(offs, SEEK_SET);
if (_game_file->read(dst, size) != size)
error("resfile_read(%d,%d) read failed", offs, size);
}
void SimonEngine::openGameFile() {
if (!(_game & GF_OLD_BUNDLE)) {
_game_file = new File();
_game_file->open(gss->gme_filename);
if (_game_file->isOpen() == false)
error("Can't open game file '%s'", gss->gme_filename);
uint32 size = _game_file->readUint32LE();
_game_offsets_ptr = (uint32 *)malloc(size);
if (_game_offsets_ptr == NULL)
error("out of memory, game offsets");
resfile_read(_game_offsets_ptr, 0, size);
#if defined(SCUMM_BIG_ENDIAN)
for (uint r = 0; r < size / sizeof(uint32); r++)
_game_offsets_ptr[r] = FROM_LE_32(_game_offsets_ptr[r]);
#endif
}
loadIconFile();
vc_34_force_lock();
runSubroutine101();
startUp_helper_2();
}
void SimonEngine::runSubroutine101() {
Subroutine *sub;
sub = getSubroutineByID(101);
if (sub != NULL)
startSubroutineEx(sub);
startUp_helper_2();
}
void SimonEngine::dx_copy_rgn_from_3_to_2(uint b, uint r, uint y, uint x) {
byte *dst, *src;
uint i;
dst = dx_lock_2();
src = _sdl_buf_3;
dst += y * _dx_surface_pitch;
src += y * _dx_surface_pitch;
while (y < b) {
for (i = x; i < r; i++)
dst[i] = src[i];
y++;
dst += _dx_surface_pitch;
src += _dx_surface_pitch;
}
dx_unlock_2();
}
void SimonEngine::dx_clear_surfaces(uint num_lines) {
memset(_sdl_buf_attached, 0, num_lines * 320);
_system->copyRectToScreen(_sdl_buf_attached, 320, 0, 0, 320, 200);
if (_dx_use_3_or_4_for_lock) {
memset(_sdl_buf, 0, num_lines * 320);
memset(_sdl_buf_3, 0, num_lines * 320);
}
}
void SimonEngine::dx_clear_attached_from_top(uint lines) {
memset(_sdl_buf_attached, 0, lines * 320);
}
void SimonEngine::dx_copy_from_attached_to_2(uint x, uint y, uint w, uint h) {
uint offs = x + y * 320;
byte *s = _sdl_buf_attached + offs;
byte *d = _sdl_buf + offs;
do {
memcpy(d, s, w);
d += 320;
s += 320;
} while (--h);
}
void SimonEngine::dx_copy_from_2_to_attached(uint x, uint y, uint w, uint h) {
uint offs = x + y * 320;
byte *s = _sdl_buf + offs;
byte *d = _sdl_buf_attached + offs;
do {
memcpy(d, s, w);
d += 320;
s += 320;
} while (--h);
}
void SimonEngine::dx_copy_from_attached_to_3(uint lines) {
memcpy(_sdl_buf_3, _sdl_buf_attached, lines * 320);
}
void SimonEngine::dx_update_screen_and_palette() {
_num_screen_updates++;
if (_palette_color_count == 0 && _video_var_9 == 1) {
_video_var_9 = 0;
if (memcmp(_palette, _palette_backup, 256 * 4) != 0) {
memcpy(_palette_backup, _palette, 256 * 4);
_system->setPalette(_palette, 0, 256);
}
}
_system->copyRectToScreen(_sdl_buf_attached, 320, 0, 0, 320, 200);
_system->updateScreen();
memcpy(_sdl_buf_attached, _sdl_buf, 320 * 200);
if (_palette_color_count != 0) {
if (!(_game & GF_SIMON2) && _use_palette_delay) {
delay(100);
_use_palette_delay = false;
}
realizePalette();
}
}
void SimonEngine::realizePalette() {
_video_var_9 = false;
memcpy(_palette_backup, _palette, 256 * 4);
if (_palette_color_count & 0x8000) {
fadeUpPalette();
} else {
_system->setPalette(_palette, 0, _palette_color_count);
}
_palette_color_count = 0;
}
void SimonEngine::fadeUpPalette() {
bool done;
_palette_color_count = (_palette_color_count & 0x7fff) / 4;
memset(_video_buf_1, 0, _palette_color_count * sizeof(uint32));
// This function is used by Simon 2 when riding the lion to the goblin
// camp. Note that _palette_color_count is not 1024 in this scene, so
// only part of the palette is faded up. But apparently that's enough,
// as long as we make sure that the remaining palette colours aren't
// completely ignored.
if (_palette_color_count < _video_num_pal_colors)
memcpy(_video_buf_1 + _palette_color_count * sizeof(uint32),
_palette + _palette_color_count * sizeof(uint32),
(_video_num_pal_colors - _palette_color_count) * sizeof(uint32));
do {
uint8 *src;
byte *dst;
int i;
done = true;
src = _palette;
dst = _video_buf_1;
for (i = 0; i < _palette_color_count; i++) {
if (src[0] > dst[0]) {
if (dst[0] > src[0] - 4)
dst[0] = src[0];
else
dst[0] += 4;
done = false;
}
if (src[1] > dst[1]) {
if (dst[1] > src[1] - 4)
dst[1] = src[1];
else
dst[1] += 4;
done = false;
}
if (src[2] > dst[2]) {
if (dst[2] > src[2] - 4)
dst[2] = src[2];
else
dst[2] += 4;
done = false;
}
dst += 4;
src += 4;
}
_system->setPalette(_video_buf_1, 0, _video_num_pal_colors);
delay(5);
} while (!done);
}
int SimonEngine::go() {
if (!_dump_file)
_dump_file = stdout;
// allocate buffers
_sdl_buf_3 = (byte *)calloc(320 * 200, 1);
_sdl_buf = (byte *)calloc(320 * 200, 1);
_sdl_buf_attached = (byte *)calloc(320 * 200, 1);
allocItemHeap();
allocTablesHeap();
setup_vga_file_buf_pointers();
_sound = new Sound(_game, gss, _mixer);
_debugger = new Debugger(this);
if (ConfMan.hasKey("sfx_mute") && ConfMan.getBool("sfx_mute") == 1) {
if (_game == GAME_SIMON1DOS)
midi._enable_sfx ^= 1;
else
_sound->effectsPause(_effects_paused ^= 1);
}
loadGamePcFile(gss->gamepc_filename);
addTimeEvent(0, 1);
openGameFile();
_last_music_played = -1;
_vga_base_delay = 1;
_start_mainscript = false;
_continous_mainscript = false;
_start_vgascript = false;
_continous_vgascript = false;
_draw_images_debug=false;
if (g_debugLevel == 2)
_continous_mainscript = true;
if (g_debugLevel == 3)
_continous_vgascript = true;
if (g_debugLevel == 4)
_start_mainscript = true;
if (g_debugLevel == 5)
_start_vgascript = true;
if (_game & GF_TALKIE) {
// English and German versions of Simon the Sorcerer 1 don't have full subtitles
if (!(_game & GF_SIMON2) && _language < 2)
_subtitles = false;
} else {
_subtitles = true;
}
while (1) {
hitarea_stuff();
handle_verb_clicked(_verb_hitarea);
delay(100);
}
return 0;
}
void SimonEngine::shutdown() {
delete _game_file;
midi.close();
free(_stringtab_ptr);
free(_itemarray_ptr);
free(_itemheap_ptr - _itemheap_curpos);
free(_tablesheap_ptr - _tablesheap_curpos);
free(_tbl_list);
free(_icon_file_ptr);
free(_game_offsets_ptr);
_system->quit();
}
void SimonEngine::delay(uint amount) {
OSystem::Event event;
uint32 start = _system->getMillis();
uint32 cur = start;
uint this_delay, vga_period;
if (_debugger->isAttached())
_debugger->onFrame();
if (_fast_mode)
vga_period = 10;
else if (_game & GF_SIMON2)
vga_period = 45 * _speed;
else
vga_period = 50 * _speed;
_rnd.getRandomNumber(2);
do {
while (!_in_callback && cur >= _last_vga_tick + vga_period && !_pause) {
_last_vga_tick += vga_period;
// don't get too many frames behind
if (cur >= _last_vga_tick + vga_period * 2)
_last_vga_tick = cur;
_in_callback = true;
timer_callback();
_in_callback = false;
}
while (_system->pollEvent(event)) {
switch (event.type) {
case OSystem::EVENT_KEYDOWN:
if (event.kbd.keycode >= '0' && event.kbd.keycode <='9'
&& (event.kbd.flags == OSystem::KBD_ALT ||
event.kbd.flags == OSystem::KBD_CTRL)) {
_saveLoadSlot = event.kbd.keycode - '0';
// There is no save slot 0
if (_saveLoadSlot == 0)
_saveLoadSlot = 10;
sprintf(_saveLoadName, "Quicksave %d", _saveLoadSlot);
_saveLoadFlag = (event.kbd.flags == OSystem::KBD_ALT) ? 1 : 2;
// We should only allow a load or save when it was possible in original
// This stops load/save during copy protection, conversations and cut scenes
if (!_lock_counter && !_show_preposition)
quick_load_or_save();
} else if (event.kbd.flags == OSystem::KBD_CTRL) {
if (event.kbd.keycode == 'a') {
GUI::Dialog *_aboutDialog;
_aboutDialog = new GUI::AboutDialog();
_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)
_key_pressed = 8;
else
_key_pressed = (byte)event.kbd.ascii;
break;
case OSystem::EVENT_MOUSEMOVE:
_sdl_mouse_x = event.mouse.x;
_sdl_mouse_y = event.mouse.y;
break;
case OSystem::EVENT_LBUTTONDOWN:
_left_button_down++;
#if defined (_WIN32_WCE) || defined(__PALM_OS__)
_sdl_mouse_x = event.mouse.x;
_sdl_mouse_y = event.mouse.y;
#endif
break;
case OSystem::EVENT_RBUTTONDOWN:
if (_game & GF_SIMON2)
_skip_speech = true;
else
_exit_cutscene = true;
break;
case OSystem::EVENT_QUIT:
shutdown();
return;
break;
default:
break;
}
}
if (amount == 0)
break;
{
this_delay = _fast_mode ? 1 : 20 * _speed;
if (this_delay > amount)
this_delay = amount;
_system->delayMillis(this_delay);
}
cur = _system->getMillis();
} while (cur < start + amount);
}
void SimonEngine::loadMusic (uint music) {
if (_game & GF_SIMON2) { // Simon 2 music
midi.stop();
_game_file->seek(_game_offsets_ptr[MUSIC_INDEX_BASE + music - 1], SEEK_SET);
if (_game & GF_WIN && !(ConfMan.getBool("native_mt32") && (_midiDriver != MD_MT32))) {
midi.loadMultipleSMF (_game_file);
} else {
midi.loadXMIDI (_game_file);
}
_last_music_played = music;
_next_music_to_play = -1;
} else { // Simon 1 music
if (_game & GF_AMIGA) {
if (_game != GAME_SIMON1CD32) {
// TODO Add support for decruncher
debug(5,"loadMusic - Decrunch %dtune attempt", music);
}
// TODO Add Protracker support for simon1amiga/cd32
debug(5,"playMusic - Load %dtune attempt", music);
} else {
midi.stop();
midi.setLoop (true); // Must do this BEFORE loading music. (GMF may have its own override.)
if (_game & GF_WIN) {
// FIXME: The very last music resource, a cymbal crash for when the
// two demons crash into each other, should NOT be looped like the
// other music tracks. In simon1dos/talkie the GMF resource includes
// a loop override that acomplishes this, but there seems to be nothing
// for this in the SMF resources.
if (music == 35)
midi.setLoop (false);
_game_file->seek(_game_offsets_ptr[MUSIC_INDEX_BASE + music], SEEK_SET);
midi.loadMultipleSMF (_game_file);
} else if (_game & GF_TALKIE) {
_game_file->seek(_game_offsets_ptr[MUSIC_INDEX_BASE + music], SEEK_SET);
midi.loadSMF (_game_file, music);
} else {
char buf[15];
File f;
sprintf(buf, "MOD%d.MUS", music);
f.open(buf);
if (f.isOpen() == false) {
warning("Can't load music from '%s'", buf);
return;
}
if (_game & GF_DEMO)
midi.loadS1D (&f);
else
midi.loadSMF (&f, music);
}
midi.startTrack (0);
}
}
}
byte *SimonEngine::dx_lock_2() {
_dx_surface_pitch = 320;
return _sdl_buf;
}
void SimonEngine::dx_unlock_2() {
}
byte *SimonEngine::dx_lock_attached() {
_dx_surface_pitch = 320;
return _dx_use_3_or_4_for_lock ? _sdl_buf_3 : _sdl_buf_attached;
}
void SimonEngine::dx_unlock_attached() {
}
void SimonEngine::set_volume(byte volume) {
_mixer->setVolume(volume);
}
byte SimonEngine::getByte() {
return *_code_ptr++;
}
} // End of namespace Simon
#ifdef __PALM_OS__
#include "scumm_globals.h"
_GINIT(Simon_Simon)
_GSETPTR(Simon::simon1_settings, GBVARS_SIMON1SETTINGS_INDEX, Simon::GameSpecificSettings, GBVARS_SIMON)
_GSETPTR(Simon::simon1acorn_settings, GBVARS_SIMON1ACORNSETTINGS_INDEX, Simon::GameSpecificSettings, GBVARS_SIMON)
_GSETPTR(Simon::simon1amiga_settings, GBVARS_SIMON1AMIGASETTINGS_INDEX, Simon::GameSpecificSettings, GBVARS_SIMON)
_GSETPTR(Simon::simon1demo_settings, GBVARS_SIMON1DEMOSETTINGS_INDEX, Simon::GameSpecificSettings, GBVARS_SIMON)
_GSETPTR(Simon::simon2win_settings, GBVARS_SIMON2WINSETTINGS_INDEX, Simon::GameSpecificSettings, GBVARS_SIMON)
_GSETPTR(Simon::simon2dos_settings, GBVARS_SIMON2DOSSETTINGS_INDEX, Simon::GameSpecificSettings, GBVARS_SIMON)
_GEND
_GRELEASE(Simon_Simon)
_GRELEASEPTR(GBVARS_SIMON1SETTINGS_INDEX, GBVARS_SIMON)
_GRELEASEPTR(GBVARS_SIMON1ACORNSETTINGS_INDEX, GBVARS_SIMON)
_GRELEASEPTR(GBVARS_SIMON1AMIGASETTINGS_INDEX, GBVARS_SIMON)
_GRELEASEPTR(GBVARS_SIMON1DEMOSETTINGS_INDEX, GBVARS_SIMON)
_GRELEASEPTR(GBVARS_SIMON2WINSETTINGS_INDEX, GBVARS_SIMON)
_GRELEASEPTR(GBVARS_SIMON2DOSSETTINGS_INDEX, GBVARS_SIMON)
_GEND
#endif
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