/engines/cge2/snail.cpp
C++ | 871 lines | 751 code | 80 blank | 40 comment | 217 complexity | 77772699f8cb32094ac7d38adc963667 MD5 | raw file
Possible License(s): GPL-3.0, LGPL-2.1, GPL-2.0
- /* ScummVM - Graphic Adventure Engine
- *
- * ScummVM is the legal property of its developers, whose names
- * are too numerous to list here. Please refer to the COPYRIGHT
- * file distributed with this source distribution.
- *
- * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
- *
- */
- /*
- * This code is based on original Sfinx source code
- * Copyright (c) 1994-1997 Janusz B. Wisniewski and L.K. Avalon
- */
- #include "cge2/snail.h"
- #include "cge2/fileio.h"
- #include "cge2/hero.h"
- #include "cge2/text.h"
- #include "cge2/sound.h"
- #include "cge2/events.h"
- namespace CGE2 {
- const char *CommandHandler::_commandText[] = {
- "NOP", "USE", "PAUSE", "INF", "CAVE", "SETX", "SETY", "SETZ", "ADD",
- "FLASH", "CYCLE", "CLEAR", "MOUSE", "MAP", "MIDI", ".DUMMY.", "WAIT",
- "HIDE", "ROOM", "SAY", "SOUND", "KILL", "RSEQ", "SEQ", "SEND", "SWAP",
- "KEEP", "GIVE", "GETPOS", "GOTO", "PORT", "NEXT", "NNEXT", "MTNEXT",
- "FTNEXT", "RNNEXT", "RMTNEXT", "RFTNEXT", "RMNEAR", "RMMTAKE", "RMFTAKE",
- "SETREF", "WALKTO", "REACH", "COVER", "UNCOVER", "EXEC", "GHOST",
- nullptr };
- CommandHandler::CommandHandler(CGE2Engine *vm, bool turbo)
- : _turbo(turbo), _textDelay(false), _timerExpiry(0), _talkEnable(true),
- _head(0), _tail(0), _commandList((Command *)malloc(sizeof(Command)* 256)),
- _vm(vm) {
- }
- CommandHandler::~CommandHandler() {
- free(_commandList);
- }
- void CommandHandler::runCommand() {
- if (!_turbo && _vm->_soundStat._wait) {
- if (*(_vm->_soundStat._wait))
- return;
- ++_vm->_soundStat._ref[0];
- if (_vm->_fx->exist(_vm->_soundStat._ref[1], _vm->_soundStat._ref[0])) {
- int16 oldRepeat = _vm->_sound->getRepeat();
- _vm->_sound->setRepeat(1);
- _vm->_sound->play(Audio::Mixer::kSpeechSoundType, _vm->_fx->load(_vm->_soundStat._ref[1], _vm->_soundStat._ref[0]), _vm->_sound->_smpinf._span);
- _vm->_sound->setRepeat(oldRepeat);
- return;
- }
- _vm->_soundStat._wait = nullptr;
- }
- uint8 tmpHead = _head;
- while (_tail != tmpHead) {
- Command tailCmd = _commandList[_tail];
- if (!_turbo) { // only for the slower one
- if (_vm->_waitRef)
- break;
- if (_timerExpiry) {
- // Delay in progress
- if (_timerExpiry > g_system->getMillis())
- // Delay not yet ended
- break;
- // Delay is finished
- _timerExpiry = 0;
- } else if (_textDelay) {
- if (_vm->_talk) {
- _vm->snKill((Sprite *)_vm->_talk);
- _vm->_talk = nullptr;
- }
- _textDelay = false;
- }
- if (_vm->_talk && tailCmd._commandType != kCmdPause)
- break;
- }
- ++_tail;
- _vm->_taken = false;
- Sprite *spr = nullptr;
- if (tailCmd._commandType > kCmdSpr)
- spr = (tailCmd._ref < 0) ? ((Sprite *)tailCmd._spritePtr) : _vm->locate(tailCmd._ref);
- Common::String sprStr;
- if (spr && *spr->_file && (tailCmd._commandType != kCmdGhost))
- // In case of kCmdGhost _spritePtr stores a pointer to a Bitmap, not to a Sprite...
- sprStr = Common::String(spr->_file);
- else
- sprStr = "None";
- if (sprStr.empty())
- sprStr = "None";
- debugC(1, kCGE2DebugOpcode, "Command: %s; Ref: %d; Val: %d; Sprite: %s;", getComStr(tailCmd._commandType), tailCmd._ref, tailCmd._val, sprStr.c_str());
- switch (tailCmd._commandType) {
- case kCmdUse:
- break;
- case kCmdPause:
- _timerExpiry = g_system->getMillis() + tailCmd._val * kCommandFrameDelay;
- if (_vm->_talk)
- _textDelay = true;
- break;
- case kCmdWait:
- if (spr && spr->active() && (spr->_scene == _vm->_now || spr->_scene == 0)) {
- _vm->_waitSeq = tailCmd._val;
- _vm->_waitRef = spr->_ref;
- }
- break;
- case kCmdHide:
- _vm->snHide(spr, tailCmd._val);
- break;
- case kCmdSay:
- _vm->snSay(spr, tailCmd._val);
- break;
- case kCmdInf:
- if (_talkEnable)
- _vm->inf(((tailCmd._val) >= 0) ? _vm->_text->getText(tailCmd._val) : (const char *)tailCmd._spritePtr);
- break;
- case kCmdCave:
- _vm->switchScene(tailCmd._val);
- break;
- case kCmdMidi:
- _vm->snMidi(tailCmd._val);
- break;
- case kCmdKill:
- _vm->snKill(spr);
- break;
- case kCmdSeq:
- _vm->snSeq(spr, tailCmd._val);
- break;
- case kCmdRSeq:
- _vm->snRSeq(spr, tailCmd._val);
- break;
- case kCmdSend:
- _vm->snSend(spr, tailCmd._val);
- break;
- case kCmdSwap:
- _vm->snSwap(spr, tailCmd._val);
- break;
- case kCmdCover:
- _vm->snCover(spr, tailCmd._val);
- break;
- case kCmdUncover:
- _vm->snUncover(spr, (tailCmd._val >= 0) ? _vm->locate(tailCmd._val) : ((Sprite *)tailCmd._spritePtr));
- break;
- case kCmdKeep:
- _vm->snKeep(spr, tailCmd._val);
- break;
- case kCmdGive:
- _vm->snGive(spr, tailCmd._val);
- break;
- case kCmdSetX:
- _vm->_point[tailCmd._val]->_x = tailCmd._ref;
- break;
- case kCmdSetY:
- _vm->_point[tailCmd._val]->_y = tailCmd._ref;
- break;
- case kCmdSetZ:
- _vm->_point[tailCmd._val]->_z = tailCmd._ref;
- break;
- case kCmdAdd:
- *(_vm->_point[tailCmd._ref]) = *(_vm->_point[tailCmd._ref]) + *(_vm->_point[tailCmd._val]);
- break;
- case kCmdGetPos:
- if (spr)
- *(_vm->_point[tailCmd._val]) = spr->_pos3D;
- break;
- case kCmdGoto:
- _vm->snGoto(spr, tailCmd._val);
- break;
- case kCmdPort:
- _vm->snPort(spr, tailCmd._val);
- break;
- case kCmdNext:
- break;
- case kCmdMouse:
- _vm->snMouse(tailCmd._val != 0);
- break;
- case kCmdNNext:
- _vm->snNNext(spr, kNear, tailCmd._val);
- break;
- case kCmdMTNext:
- _vm->snNNext(spr, kMTake, tailCmd._val);
- break;
- case kCmdFTNext:
- _vm->snNNext(spr, kFTake, tailCmd._val);
- break;
- case kCmdRNNext:
- _vm->snRNNext(spr, tailCmd._val);
- break;
- case kCmdRMTNext:
- _vm->snRMTNext(spr, tailCmd._val);
- break;
- case kCmdRFTNext:
- _vm->snRFTNext(spr, tailCmd._val);
- break;
- case kCmdRMNear:
- _vm->snRmNear(spr);
- break;
- case kCmdRMMTake:
- _vm->snRmMTake(spr);
- break;
- case kCmdRMFTake:
- _vm->snRmFTake(spr);
- break;
- case kCmdSetRef:
- _vm->snSetRef(spr, tailCmd._val);
- break;
- case kCmdFlash:
- _vm->snFlash(tailCmd._val != 0);
- break;
- case kCmdCycle:
- _vm->snCycle(tailCmd._val);
- break;
- case kCmdWalk:
- _vm->snWalk(spr, tailCmd._val);
- break;
- case kCmdReach:
- _vm->snReach(spr, tailCmd._val);
- break;
- case kCmdSound:
- _vm->snSound(spr, tailCmd._val);
- _vm->_sound->setRepeat(1);
- break;
- case kCmdMap:
- _vm->_heroTab[tailCmd._ref & 1]->_ptr->_ignoreMap = tailCmd._val == 0;
- break;
- case kCmdRoom:
- _vm->snRoom(spr, tailCmd._val);
- break;
- case kCmdExec:
- switch (tailCmd._cbType) {
- case kQGame:
- _vm->qGame();
- break;
- case kXScene:
- _vm->xScene();
- break;
- default:
- error("Unknown Callback Type in SNEXEC");
- break;
- }
- break;
- case kCmdGhost:
- _vm->snGhost((Bitmap *)tailCmd._spritePtr);
- break;
- case kCmdNop: // Do nothing.
- break;
- default:
- warning("Unhandled command");
- break;
- }
- if (_vm->_taken && spr)
- _vm->_spare->dispose(spr);
- if (!_turbo)
- break;
- }
- }
- void CGE2Engine::snKill(Sprite *spr) {
- if (spr) {
- if (spr->_flags._kept)
- releasePocket(spr);
- Sprite *nx = spr->_next;
- hide1(spr);
- _vga->_showQ->remove(spr);
- _eventManager->clearEvent(spr);
- if (spr->_flags._kill) {
- _spare->take(spr->_ref);
- delete spr;
- } else {
- spr->setScene(-1);
- _spare->dispose(spr);
- }
- if (nx && nx->_flags._slav)
- snKill(nx);
- }
- }
- void CGE2Engine::snHide(Sprite *spr, int val) {
- if (spr) {
- spr->_flags._hide = (val >= 0) ? (val != 0) : (!spr->_flags._hide);
- if (spr->_flags._shad)
- spr->_prev->_flags._hide = spr->_flags._hide;
- }
- }
- void CGE2Engine::snMidi(int val) {
- if (val < 0)
- _midiPlayer->killMidi();
- else if (_music)
- _midiPlayer->loadMidi(val);
- }
- void CGE2Engine::snSeq(Sprite *spr, int val) {
- if (spr) {
- if (isHero(spr) && (val == 0))
- ((Hero*)spr)->park();
- else
- spr->step(val);
- }
- }
- void CGE2Engine::snRSeq(Sprite *spr, int val) {
- if (spr)
- snSeq(spr, spr->_seqPtr + val);
- }
- void CGE2Engine::snSend(Sprite *spr, int val) {
- if (!spr)
- return;
- // Sending", spr->_file
- // from scene", spr->_scene
- // to scene", val
- bool was1 = (_vga->_showQ->locate(spr->_ref) != nullptr);
- bool val1 = (val == 0 || val == _now);
- spr->_scene = val;
- releasePocket(spr);
- if (val1 != was1) {
- if (was1) {
- // deactivating
- hide1(spr);
- spr->_flags._slav = false;
- if ((spr == _heroTab[_sex]->_ptr) && (_heroTab[!_sex]->_ptr->_scene == _now))
- switchHero(!_sex);
- _spare->dispose(spr);
- } else {
- // activating
- if (byte(spr->_ref) == 0)
- _bitmapPalette = _vga->_sysPal;
- _vga->_showQ->insert(spr);
- if (isHero(spr)) {
- V2D p = *_heroTab[spr->_ref & 1]->_posTab[val];
- spr->gotoxyz(V3D(p.x, 0, p.y));
- ((Hero*)spr)->setCurrent();
- }
- _taken = false;
- _bitmapPalette = nullptr;
- }
- }
- }
- void CGE2Engine::snSwap(Sprite *spr, int val) {
- bool tak = _taken;
- Sprite *xspr = locate(val);
- if (spr && xspr) {
- bool was1 = (_vga->_showQ->locate(spr->_ref) != nullptr);
- bool xwas1 = (_vga->_showQ->locate(val) != nullptr);
- int tmp = spr->_scene;
- spr->setScene(xspr->_scene);
- xspr->setScene(tmp);
- SWAP(spr->_pos2D, xspr->_pos2D);
- SWAP(spr->_pos3D, xspr->_pos3D);
- if (spr->_flags._kept)
- swapInPocket(spr, xspr);
- if (xwas1 != was1) {
- if (was1) {
- hide1(spr);
- _spare->dispose(spr);
- } else
- expandSprite(spr);
- if (xwas1) {
- hide1(xspr);
- _spare->dispose(xspr);
- } else {
- expandSprite(xspr);
- _taken = false;
- }
- }
- }
- if (_taken)
- _spare->dispose(xspr);
- _taken = tak;
- }
- void CGE2Engine::snCover(Sprite *spr, int val) {
- bool tak = _taken;
- Sprite *xspr = locate(val);
- if (spr && xspr) {
- spr->_flags._hide = true;
- xspr->setScene(spr->_scene);
- xspr->gotoxyz(spr->_pos3D);
- expandSprite(xspr);
- if ((xspr->_flags._shad = spr->_flags._shad) == true) {
- _vga->_showQ->insert(_vga->_showQ->remove(spr->_prev), xspr);
- spr->_flags._shad = false;
- }
- feedSnail(xspr, kNear, _heroTab[_sex]->_ptr);
- _taken = false;
- }
- if (_taken)
- _spare->dispose(xspr);
- _taken = tak;
- }
- void CGE2Engine::snUncover(Sprite *spr, Sprite *spr2) {
- if (spr && spr2) {
- spr->_flags._hide = false;
- spr->setScene(spr2->_scene);
- if ((spr->_flags._shad = spr2->_flags._shad) == true) {
- _vga->_showQ->insert(_vga->_showQ->remove(spr2->_prev), spr);
- spr2->_flags._shad = false;
- }
- spr->gotoxyz(spr2->_pos3D);
- snSend(spr2, -1);
- if (spr->_time == 0)
- ++spr->_time;
- }
- }
- void CGE2Engine::snKeep(Sprite *spr, int stp) {
- int sex = _sex;
- if (stp > 127) {
- _sex = stp & 1; // for another hero
- stp = -1;
- }
- HeroTab *ht = _heroTab[_sex];
- selectPocket(-1);
- int pp = ht->_pocPtr;
- if (spr && !spr->_flags._kept && ht->_pocket[pp] == nullptr) {
- V3D pos(14, -10, -1);
- int16 oldRepeat = _sound->getRepeat();
- _sound->setRepeat(1);
- snSound(ht->_ptr, 3);
- _sound->setRepeat(oldRepeat);
- if (_taken) {
- _vga->_showQ->insert(spr);
- _taken = false;
- }
- ht->_pocket[pp] = spr;
- spr->setScene(0);
- spr->_flags._kept = true;
- if (!_sex)
- pos._x += kScrWidth - 58;
- if (pp & 1)
- pos._x += 29;
- if (pp >> 1)
- pos._y -= 20;
- pos._y -= (spr->_siz.y / 2);
- spr->gotoxyz(pos);
- if (stp >= 0)
- spr->step(stp);
- }
- _sex = sex;
- selectPocket(-1);
- }
- void CGE2Engine::snGive(Sprite *spr, int val) {
- if (spr) {
- int p = findActivePocket(spr->_ref);
- if (p >= 0) {
- releasePocket(spr);
- spr->setScene(_now);
- if (val >= 0)
- spr->step(val);
- }
- }
- selectPocket(-1);
- }
- void CGE2Engine::snGoto(Sprite *spr, int val) {
- if (spr) {
- V3D eye = *_eye;
- if (spr->_scene > 0)
- setEye(*_eyeTab[spr->_scene]);
- spr->gotoxyz(*_point[val]);
- setEye(eye);
- }
- }
- void CGE2Engine::snPort(Sprite *spr, int port) {
- if (spr)
- spr->_flags._port = (port < 0) ? !spr->_flags._port : (port != 0);
- }
- void CGE2Engine::snMouse(bool on) {
- if (on)
- _mouse->on();
- else
- _mouse->off();
- }
- void CGE2Engine::snNNext(Sprite *spr, Action act, int val) {
- if (spr) {
- if (val > 255)
- val = spr->labVal(act, val >> 8);
- spr->_actionCtrl[act]._ptr = val;
- }
- }
- void CGE2Engine::snRNNext(Sprite *spr, int val) {
- if (spr)
- spr->_actionCtrl[kNear]._ptr += val;
- }
- void CGE2Engine::snRMTNext(Sprite *spr, int val) {
- if (spr)
- spr->_actionCtrl[kMTake]._ptr += val;
- }
- void CGE2Engine::snRFTNext(Sprite * spr, int val) {
- if (spr)
- spr->_actionCtrl[kFTake]._ptr += val;
- }
- void CGE2Engine::snRmNear(Sprite *spr) {
- if (spr)
- spr->_actionCtrl[kNear]._cnt = 0;
- }
- void CGE2Engine::snRmMTake(Sprite *spr) {
- if (spr)
- spr->_actionCtrl[kMTake]._cnt = 0;
- }
- void CGE2Engine::snRmFTake(Sprite *spr) {
- if (spr)
- spr->_actionCtrl[kFTake]._cnt = 0;
- }
- void CGE2Engine::snSetRef(Sprite *spr, int val) {
- if (spr)
- spr->_ref = val;
- }
- void CGE2Engine::snFlash(bool on) {
- if (on) {
- Dac *pal = (Dac *)malloc(sizeof(Dac) * kPalCount);
- if (pal) {
- memcpy(pal, _vga->_sysPal, kPalSize);
- for (int i = 0; i < kPalCount; i++) {
- int c;
- c = pal[i]._r << 1;
- pal[i]._r = (c < 64) ? c : 63;
- c = pal[i]._g << 1;
- pal[i]._g = (c < 64) ? c : 63;
- c = pal[i]._b << 1;
- pal[i]._b = (c < 64) ? c : 63;
- }
- _vga->setColors(pal, 64);
- }
- free(pal);
- } else
- _vga->setColors(_vga->_sysPal, 64);
- _dark = false;
- }
- void CGE2Engine::snCycle(int cnt) {
- _vga->_rot._len = cnt;
- }
- void CGE2Engine::snWalk(Sprite *spr, int val) {
- if (isHero(spr)) {
- if (val < kMaxPoint)
- ((Hero *)spr)->walkTo(*_point[val]);
- else {
- Sprite *s = _vga->_showQ->locate(val);
- if (s)
- ((Hero *)spr)->walkTo(s);
- }
- ((Hero *)spr)->_time = 1;
- }
- }
- void CGE2Engine::snReach(Sprite *spr, int val) {
- if (isHero(spr))
- ((Hero *)spr)->reach(val);
- }
- void CGE2Engine::snSound(Sprite *spr, int wav, Audio::Mixer::SoundType soundType) {
- if (wav == -1)
- _sound->stop();
- else {
- if (_sound->_smpinf._counter && wav < 20)
- return;
- if (_soundStat._wait && ((wav & 255) > 80))
- return;
- _soundStat._ref[1] = wav;
- _soundStat._ref[0] = !_fx->exist(_soundStat._ref[1]);
- _sound->play(soundType, _fx->load(_soundStat._ref[1], _soundStat._ref[0]),
- (spr) ? (spr->_pos2D.x / (kScrWidth / 16)) : 8);
- }
- }
- void CGE2Engine::snRoom(Sprite *spr, bool on) {
- if (!isHero(spr))
- return;
- int sex = spr->_ref & 1;
- Sprite **p = _heroTab[sex]->_pocket;
- if (on) {
- if (freePockets(sex) == 0 && p[kPocketMax] == nullptr) {
- SWAP(p[kPocketMax], p[kPocketMax - 1]);
- snHide(p[kPocketMax], 1);
- }
- } else if (p[kPocketMax]) {
- for (int i = 0; i < kPocketMax; i++) {
- if (p[i] == nullptr) {
- snHide(p[kPocketMax], 0);
- SWAP(p[kPocketMax], p[i]);
- break;
- }
- }
- }
- }
- void CGE2Engine::snGhost(Bitmap *bmp) {
- V2D p(this, bmp->_map & 0xFFFF, bmp->_map >> 16);
- bmp->hide(p);
- bmp->release();
- delete[] bmp->_b;
- bmp->_b = nullptr;
- delete bmp;
- bmp = nullptr;
- }
- void CGE2Engine::snSay(Sprite *spr, int val) {
- if (spr && spr->active() && _commandHandler->_talkEnable) {
- //-- mouth animation
- if (isHero(spr) && spr->seqTest(-1))
- ((Hero *)spr)->say();
- if (_sayCap)
- _text->say(_text->getText(val), spr);
- if (_sayVox) {
- int i = val;
- if (i < 256)
- i -= 100;
- int16 oldRepeat = _sound->getRepeat();
- _sound->setRepeat(1);
- snSound(spr, i, Audio::Mixer::kSpeechSoundType);
- _sound->setRepeat(oldRepeat);
- _soundStat._wait = &_sound->_smpinf._counter;
- }
- }
- }
- void CGE2Engine::hide1(Sprite *spr) {
- _commandHandlerTurbo->addCommand(kCmdGhost, -1, 0, spr->ghost());
- }
- void CGE2Engine::swapInPocket(Sprite *spr, Sprite *xspr) {
- for (int i = 0; i < 2; i++) {
- for (int j = 0; j < kPocketMax; j++) {
- Sprite *&poc = _heroTab[i]->_pocket[j];
- if (poc == spr) {
- spr->_flags._kept = false;
- poc = xspr;
- xspr->_flags._kept = true;
- xspr->_flags._port = false;
- return;
- }
- }
- }
- }
- Sprite *CGE2Engine::expandSprite(Sprite *spr) {
- if (spr)
- _vga->_showQ->insert(spr);
- return spr;
- }
- void CGE2Engine::qGame() {
- // Write out the user's progress
- saveGame(0, Common::String("Automatic Savegame"));
- busy(false);
- _vga->sunset();
- _endGame = true;
- }
- void CGE2Engine::xScene() {
- sceneDown();
- sceneUp(_req);
- }
- void CommandHandler::addCommand(CommandType com, int ref, int val, void *ptr) {
- if (ref == -2)
- ref = 142 - _vm->_sex;
- Command *headCmd = &_commandList[_head++];
- headCmd->_commandType = com;
- headCmd->_ref = ref;
- headCmd->_val = val;
- headCmd->_spritePtr = ptr;
- headCmd->_cbType = kNullCB;
- if (headCmd->_commandType == kCmdClear) {
- clear();
- }
- }
- void CommandHandler::addCallback(CommandType com, int ref, int val, CallbackType cbType) {
- Command *headCmd = &_commandList[_head++];
- headCmd->_commandType = com;
- headCmd->_ref = ref;
- headCmd->_val = val;
- headCmd->_spritePtr = nullptr;
- headCmd->_cbType = cbType;
- if (headCmd->_commandType == kCmdClear) {
- _tail = _head;
- _vm->killText();
- _timerExpiry = 0;
- }
- }
- void CommandHandler::insertCommand(CommandType com, int ref, int val, void *ptr) {
- if (ref == -2)
- ref = 142 - _vm->_sex;
- --_tail;
- Command *tailCmd = &_commandList[_tail];
- tailCmd->_commandType = com;
- tailCmd->_ref = ref;
- tailCmd->_val = val;
- tailCmd->_spritePtr = ptr;
- tailCmd->_cbType = kNullCB;
- if (com == kCmdClear) {
- _tail = _head;
- _vm->killText();
- _timerExpiry = 0;
- }
- }
- bool CommandHandler::idle() {
- return (!_vm->_waitRef && _head == _tail);
- }
- void CommandHandler::clear() {
- _tail = _head;
- _vm->killText();
- _timerExpiry = 0;
- }
- int CommandHandler::getComId(const char *com) {
- int i = _vm->takeEnum(_commandText, com);
- return (i < 0) ? i : i + kCmdCom0 + 1;
- }
- const char *CommandHandler::getComStr(CommandType cmdType) {
- return _commandText[cmdType - kCmdNop];
- }
- void CGE2Engine::feedSnail(Sprite *spr, Action snq, Hero *hero) {
- if (!spr || !spr->active())
- return;
- int cnt = spr->_actionCtrl[snq]._cnt;
- if (cnt) {
- byte ptr = spr->_actionCtrl[snq]._ptr;
- CommandHandler::Command *comtab = spr->snList(snq);
- CommandHandler::Command *c = &comtab[ptr];
- CommandHandler::Command *q = &comtab[cnt];
- if (hero != nullptr) {
- int pocFre = freePockets(hero->_ref & 1);
- int pocReq = 0;
- CommandHandler::Command *p = c;
- for (; p < q && p->_commandType != kCmdNext; p++) { // scan commands
- // drop from pocket?
- if ((p->_commandType == kCmdSend && p->_val != _now)
- || p->_commandType == kCmdGive) {
- int ref = p->_ref;
- if (ref < 0)
- ref = spr->_ref;
- if (findActivePocket(ref) >= 0)
- --pocReq;
- }
- // make/dispose additional room?
- if (p->_commandType == kCmdRoom) {
- if (p->_val == 0)
- ++pocReq;
- else
- --pocReq;
- }
- // put into pocket?
- if (p->_commandType == kCmdKeep)
- ++pocReq;
- // overloaded?
- if (pocReq > pocFre) {
- pocFul();
- return;
- }
- }
- }
- while (c < q) {
- if ((c->_val == -1) && (c->_commandType == kCmdWalk || c->_commandType == kCmdReach))
- c->_val = spr->_ref;
- if (c->_commandType == kCmdNext) {
- Sprite *s;
- switch (c->_ref) {
- case -2:
- s = hero;
- break;
- case -1:
- s = spr;
- break;
- default:
- s = _vga->_showQ->locate(c->_ref);
- break;
- }
- if (s && s->_actionCtrl[snq]._cnt) {
- int v;
- switch (c->_val) {
- case -1:
- v = int(c - comtab + 1);
- break;
- case -2:
- v = int(c - comtab);
- break;
- case -3:
- v = -1;
- break;
- default:
- v = c->_val;
- if ((v > 255) && s)
- v = s->labVal(snq, v >> 8);
- break;
- }
- if (v >= 0) {
- s->_actionCtrl[snq]._ptr = v;
- if (spr->_ref == 1537 && s->_actionCtrl[snq]._ptr == 26)
- {
- debug(1, "Carpet Clothes Horse Rehanging Workaround Triggered!");
- s->_actionCtrl[snq]._ptr = 8;
- }
- }
- }
- if (s == spr)
- break;
- }
- _commandHandler->addCommand(c->_commandType, c->_ref, c->_val, spr);
- ++c;
- }
- }
- }
- } // End of namespace CGE2.