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scummvm/scumm/script_v5.cpp
Torbjörn Andersson fb1b2efb49 Applied my suggested fix for #933168, since I'm tired of waiting for 
feedback. It *is* a bit of a hack, but it does emulate the old behaviour,
and we can always make a better fix later, if there is one.

svn-id: r13747
2004-05-02 14:39:48 +00:00

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/* ScummVM - Scumm Interpreter
* Copyright (C) 2001 Ludvig Strigeus
* 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 "scumm/actor.h"
#include "scumm/charset.h"
#include "scumm/intern.h"
#include "scumm/object.h"
#include "scumm/scumm.h"
#include "scumm/sound.h"
#include "scumm/verbs.h"
namespace Scumm {
#define OPCODE(x) { &ScummEngine_v5::x, #x }
void ScummEngine_v5::setupOpcodes() {
static const OpcodeEntryV5 opcodes[256] = {
/* 00 */
OPCODE(o5_stopObjectCode),
OPCODE(o5_putActor),
OPCODE(o5_startMusic),
OPCODE(o5_getActorRoom),
/* 04 */
OPCODE(o5_isGreaterEqual),
OPCODE(o5_drawObject),
OPCODE(o5_getActorElevation),
OPCODE(o5_setState),
/* 08 */
OPCODE(o5_isNotEqual),
OPCODE(o5_faceActor),
OPCODE(o5_startScript),
OPCODE(o5_getVerbEntrypoint),
/* 0C */
OPCODE(o5_resourceRoutines),
OPCODE(o5_walkActorToActor),
OPCODE(o5_putActorAtObject),
OPCODE(o5_getObjectState),
/* 10 */
OPCODE(o5_getObjectOwner),
OPCODE(o5_animateActor),
OPCODE(o5_panCameraTo),
OPCODE(o5_actorOps),
/* 14 */
OPCODE(o5_print),
OPCODE(o5_actorFromPos),
OPCODE(o5_getRandomNr),
OPCODE(o5_and),
/* 18 */
OPCODE(o5_jumpRelative),
OPCODE(o5_doSentence),
OPCODE(o5_move),
OPCODE(o5_multiply),
/* 1C */
OPCODE(o5_startSound),
OPCODE(o5_ifClassOfIs),
OPCODE(o5_walkActorTo),
OPCODE(o5_isActorInBox),
/* 20 */
OPCODE(o5_stopMusic),
OPCODE(o5_putActor),
OPCODE(o5_getAnimCounter),
OPCODE(o5_getActorY),
/* 24 */
OPCODE(o5_loadRoomWithEgo),
OPCODE(o5_pickupObject),
OPCODE(o5_setVarRange),
OPCODE(o5_stringOps),
/* 28 */
OPCODE(o5_equalZero),
OPCODE(o5_setOwnerOf),
OPCODE(o5_startScript),
OPCODE(o5_delayVariable),
/* 2C */
OPCODE(o5_cursorCommand),
OPCODE(o5_putActorInRoom),
OPCODE(o5_delay),
OPCODE(o5_ifNotState),
/* 30 */
OPCODE(o5_matrixOps),
OPCODE(o5_getInventoryCount),
OPCODE(o5_setCameraAt),
OPCODE(o5_roomOps),
/* 34 */
OPCODE(o5_getDist),
OPCODE(o5_findObject),
OPCODE(o5_walkActorToObject),
OPCODE(o5_startObject),
/* 38 */
OPCODE(o5_lessOrEqual),
OPCODE(o5_doSentence),
OPCODE(o5_subtract),
OPCODE(o5_getActorScale),
/* 3C */
OPCODE(o5_stopSound),
OPCODE(o5_findInventory),
OPCODE(o5_walkActorTo),
OPCODE(o5_drawBox),
/* 40 */
OPCODE(o5_cutscene),
OPCODE(o5_putActor),
OPCODE(o5_chainScript),
OPCODE(o5_getActorX),
/* 44 */
OPCODE(o5_isLess),
OPCODE(o5_drawObject),
OPCODE(o5_increment),
OPCODE(o5_setState),
/* 48 */
OPCODE(o5_isEqual),
OPCODE(o5_faceActor),
OPCODE(o5_startScript),
OPCODE(o5_getVerbEntrypoint),
/* 4C */
OPCODE(o5_soundKludge),
OPCODE(o5_walkActorToActor),
OPCODE(o5_putActorAtObject),
OPCODE(o5_ifState),
/* 50 */
OPCODE(o5_pickupObjectOld),
OPCODE(o5_animateActor),
OPCODE(o5_actorFollowCamera),
OPCODE(o5_actorOps),
/* 54 */
OPCODE(o5_setObjectName),
OPCODE(o5_actorFromPos),
OPCODE(o5_getActorMoving),
OPCODE(o5_or),
/* 58 */
OPCODE(o5_beginOverride),
OPCODE(o5_doSentence),
OPCODE(o5_add),
OPCODE(o5_divide),
/* 5C */
OPCODE(o5_oldRoomEffect),
OPCODE(o5_setClass),
OPCODE(o5_walkActorTo),
OPCODE(o5_isActorInBox),
/* 60 */
OPCODE(o5_freezeScripts),
OPCODE(o5_putActor),
OPCODE(o5_stopScript),
OPCODE(o5_getActorFacing),
/* 64 */
OPCODE(o5_loadRoomWithEgo),
OPCODE(o5_pickupObject),
OPCODE(o5_getClosestObjActor),
OPCODE(o5_getStringWidth),
/* 68 */
OPCODE(o5_isScriptRunning),
OPCODE(o5_setOwnerOf),
OPCODE(o5_startScript),
OPCODE(o5_debug),
/* 6C */
OPCODE(o5_getActorWidth),
OPCODE(o5_putActorInRoom),
OPCODE(o5_stopObjectScript),
OPCODE(o5_ifNotState),
/* 70 */
OPCODE(o5_lights),
OPCODE(o5_getActorCostume),
OPCODE(o5_loadRoom),
OPCODE(o5_roomOps),
/* 74 */
OPCODE(o5_getDist),
OPCODE(o5_findObject),
OPCODE(o5_walkActorToObject),
OPCODE(o5_startObject),
/* 78 */
OPCODE(o5_isGreater),
OPCODE(o5_doSentence),
OPCODE(o5_verbOps),
OPCODE(o5_getActorWalkBox),
/* 7C */
OPCODE(o5_isSoundRunning),
OPCODE(o5_findInventory),
OPCODE(o5_walkActorTo),
OPCODE(o5_drawBox),
/* 80 */
OPCODE(o5_breakHere),
OPCODE(o5_putActor),
OPCODE(o5_startMusic),
OPCODE(o5_getActorRoom),
/* 84 */
OPCODE(o5_isGreaterEqual),
OPCODE(o5_drawObject),
OPCODE(o5_getActorElevation),
OPCODE(o5_setState),
/* 88 */
OPCODE(o5_isNotEqual),
OPCODE(o5_faceActor),
OPCODE(o5_startScript),
OPCODE(o5_getVerbEntrypoint),
/* 8C */
OPCODE(o5_resourceRoutines),
OPCODE(o5_walkActorToActor),
OPCODE(o5_putActorAtObject),
OPCODE(o5_getObjectState),
/* 90 */
OPCODE(o5_getObjectOwner),
OPCODE(o5_animateActor),
OPCODE(o5_panCameraTo),
OPCODE(o5_actorOps),
/* 94 */
OPCODE(o5_print),
OPCODE(o5_actorFromPos),
OPCODE(o5_getRandomNr),
OPCODE(o5_and),
/* 98 */
OPCODE(o5_quitPauseRestart),
OPCODE(o5_doSentence),
OPCODE(o5_move),
OPCODE(o5_multiply),
/* 9C */
OPCODE(o5_startSound),
OPCODE(o5_ifClassOfIs),
OPCODE(o5_walkActorTo),
OPCODE(o5_isActorInBox),
/* A0 */
OPCODE(o5_stopObjectCode),
OPCODE(o5_putActor),
OPCODE(o5_getAnimCounter),
OPCODE(o5_getActorY),
/* A4 */
OPCODE(o5_loadRoomWithEgo),
OPCODE(o5_pickupObject),
OPCODE(o5_setVarRange),
OPCODE(o5_saveLoadVars),
/* A8 */
OPCODE(o5_notEqualZero),
OPCODE(o5_setOwnerOf),
OPCODE(o5_startScript),
OPCODE(o5_saveRestoreVerbs),
/* AC */
OPCODE(o5_expression),
OPCODE(o5_putActorInRoom),
OPCODE(o5_wait),
OPCODE(o5_ifNotState),
/* B0 */
OPCODE(o5_matrixOps),
OPCODE(o5_getInventoryCount),
OPCODE(o5_setCameraAt),
OPCODE(o5_roomOps),
/* B4 */
OPCODE(o5_getDist),
OPCODE(o5_findObject),
OPCODE(o5_walkActorToObject),
OPCODE(o5_startObject),
/* B8 */
OPCODE(o5_lessOrEqual),
OPCODE(o5_doSentence),
OPCODE(o5_subtract),
OPCODE(o5_getActorScale),
/* BC */
OPCODE(o5_stopSound),
OPCODE(o5_findInventory),
OPCODE(o5_walkActorTo),
OPCODE(o5_drawBox),
/* C0 */
OPCODE(o5_endCutscene),
OPCODE(o5_putActor),
OPCODE(o5_chainScript),
OPCODE(o5_getActorX),
/* C4 */
OPCODE(o5_isLess),
OPCODE(o5_drawObject),
OPCODE(o5_decrement),
OPCODE(o5_setState),
/* C8 */
OPCODE(o5_isEqual),
OPCODE(o5_faceActor),
OPCODE(o5_startScript),
OPCODE(o5_getVerbEntrypoint),
/* CC */
OPCODE(o5_pseudoRoom),
OPCODE(o5_walkActorToActor),
OPCODE(o5_putActorAtObject),
OPCODE(o5_ifState),
/* D0 */
OPCODE(o5_pickupObjectOld),
OPCODE(o5_animateActor),
OPCODE(o5_actorFollowCamera),
OPCODE(o5_actorOps),
/* D4 */
OPCODE(o5_setObjectName),
OPCODE(o5_actorFromPos),
OPCODE(o5_getActorMoving),
OPCODE(o5_or),
/* D8 */
OPCODE(o5_printEgo),
OPCODE(o5_doSentence),
OPCODE(o5_add),
OPCODE(o5_divide),
/* DC */
OPCODE(o5_oldRoomEffect),
OPCODE(o5_setClass),
OPCODE(o5_walkActorTo),
OPCODE(o5_isActorInBox),
/* E0 */
OPCODE(o5_freezeScripts),
OPCODE(o5_putActor),
OPCODE(o5_stopScript),
OPCODE(o5_getActorFacing),
/* E4 */
OPCODE(o5_loadRoomWithEgo),
OPCODE(o5_pickupObject),
OPCODE(o5_getClosestObjActor),
OPCODE(o5_getStringWidth),
/* E8 */
OPCODE(o5_isScriptRunning),
OPCODE(o5_setOwnerOf),
OPCODE(o5_startScript),
OPCODE(o5_debug),
/* EC */
OPCODE(o5_getActorWidth),
OPCODE(o5_putActorInRoom),
OPCODE(o5_stopObjectScript),
OPCODE(o5_ifNotState),
/* F0 */
OPCODE(o5_lights),
OPCODE(o5_getActorCostume),
OPCODE(o5_loadRoom),
OPCODE(o5_roomOps),
/* F4 */
OPCODE(o5_getDist),
OPCODE(o5_findObject),
OPCODE(o5_walkActorToObject),
OPCODE(o5_startObject),
/* F8 */
OPCODE(o5_isGreater),
OPCODE(o5_doSentence),
OPCODE(o5_verbOps),
OPCODE(o5_getActorWalkBox),
/* FC */
OPCODE(o5_isSoundRunning),
OPCODE(o5_findInventory),
OPCODE(o5_walkActorTo),
OPCODE(o5_drawBox)
};
_opcodesV5 = opcodes;
}
#define PARAM_1 0x80
#define PARAM_2 0x40
#define PARAM_3 0x20
void ScummEngine_v5::executeOpcode(byte i) {
OpcodeProcV5 op = _opcodesV5[i].proc;
(this->*op) ();
}
const char *ScummEngine_v5::getOpcodeDesc(byte i) {
return _opcodesV5[i].desc;
}
int ScummEngine_v5::getVar() {
return readVar(fetchScriptWord());
}
int ScummEngine_v5::getVarOrDirectByte(byte mask) {
if (_opcode & mask)
return getVar();
return fetchScriptByte();
}
int ScummEngine_v5::getVarOrDirectWord(byte mask) {
if (_opcode & mask)
return getVar();
return (int16)fetchScriptWord();
}
void ScummEngine_v5::o5_actorFollowCamera() {
actorFollowCamera(getVarOrDirectByte(0x80));
}
void ScummEngine_v5::o5_actorFromPos() {
int x, y;
getResultPos();
x = getVarOrDirectWord(PARAM_1);
y = getVarOrDirectWord(PARAM_2);
setResult(getActorFromPos(x, y));
}
void ScummEngine_v5::o5_actorOps() {
static const byte convertTable[20] =
{ 1, 0, 0, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 20 };
int act = getVarOrDirectByte(PARAM_1);
Actor *a = derefActor(act, "o5_actorOps");
int i, j;
while ((_opcode = fetchScriptByte()) != 0xFF) {
if (_features & GF_SMALL_HEADER)
_opcode = (_opcode & 0xE0) | convertTable[(_opcode & 0x1F) - 1];
switch (_opcode & 0x1F) {
case 0: /* dummy case */
getVarOrDirectByte(PARAM_1);
break;
case 1: // SO_COSTUME
a->setActorCostume(getVarOrDirectByte(PARAM_1));
break;
case 2: // SO_STEP_DIST
i = getVarOrDirectByte(PARAM_1);
j = getVarOrDirectByte(PARAM_2);
a->setActorWalkSpeed(i, j);
break;
case 3: // SO_SOUND
a->sound[0] = getVarOrDirectByte(PARAM_1);
break;
case 4: // SO_WALK_ANIMATION
a->walkFrame = getVarOrDirectByte(PARAM_1);
break;
case 5: // SO_TALK_ANIMATION
a->talkStartFrame = getVarOrDirectByte(PARAM_1);
a->talkStopFrame = getVarOrDirectByte(PARAM_2);
break;
case 6: // SO_STAND_ANIMATION
a->standFrame = getVarOrDirectByte(PARAM_1);
break;
case 7: // SO_ANIMATION
getVarOrDirectByte(PARAM_1);
getVarOrDirectByte(PARAM_2);
getVarOrDirectByte(PARAM_3);
break;
case 8: // SO_DEFAULT
a->initActor(0);
break;
case 9: // SO_ELEVATION
a->setElevation(getVarOrDirectWord(PARAM_1));
break;
case 10: // SO_ANIMATION_DEFAULT
a->initFrame = 1;
a->walkFrame = 2;
a->standFrame = 3;
a->talkStartFrame = 4;
a->talkStopFrame = 5;
break;
case 11: // SO_PALETTE
i = getVarOrDirectByte(PARAM_1);
j = getVarOrDirectByte(PARAM_2);
checkRange(31, 0, i, "Illegal palette slot %d");
a->setPalette(i, j);
break;
case 12: // SO_TALK_COLOR
// Zak256 (and possibly other games) uses actor 0 to
// indicate that it's the default talk color that is
// to be changed.
if (act == 0)
_string[0].color = getVarOrDirectByte(PARAM_1);
else
a->talkColor = getVarOrDirectByte(PARAM_1);
break;
case 13: // SO_ACTOR_NAME
loadPtrToResource(rtActorName, a->number, NULL);
break;
case 14: // SO_INIT_ANIMATION
a->initFrame = getVarOrDirectByte(PARAM_1);
break;
case 15: // SO_PALETTE_LIST
error("o5_actorOps:unk not implemented");
#if 0
int args[16] =
{
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
};
getWordVararg(args);
for (i = 0; i < 16; i++)
if (args[i] != 0xFF)
a->palette[i] = args[i];
#endif
break;
case 16: // SO_ACTOR_WIDTH
a->width = getVarOrDirectByte(PARAM_1);
break;
case 17: // SO_ACTOR_SCALE
if (_version == 4) {
i = j = getVarOrDirectByte(PARAM_1);
} else {
i = getVarOrDirectByte(PARAM_1);
j = getVarOrDirectByte(PARAM_2);
}
a->setScale(i, j);
break;
case 18: // SO_NEVER_ZCLIP
a->forceClip = 0;
break;
case 19: // SO_ALWAYS_ZCLIP
a->forceClip = getVarOrDirectByte(PARAM_1);
break;
case 20: // SO_IGNORE_BOXES
case 21: // SO_FOLLOW_BOXES
a->ignoreBoxes = !(_opcode & 1);
a->forceClip = 0;
if (a->isInCurrentRoom())
a->putActor(a->_pos.x, a->_pos.y, a->room);
break;
case 22: // SO_ANIMATION_SPEED
a->setAnimSpeed(getVarOrDirectByte(PARAM_1));
break;
case 23: // SO_SHADOW
a->shadow_mode = getVarOrDirectByte(PARAM_1);
break;
default:
warning("o5_actorOps: default case");
}
}
}
void ScummEngine_v5::o5_setClass() {
int obj = getVarOrDirectWord(PARAM_1);
int newClass;
while ((_opcode = fetchScriptByte()) != 0xFF) {
newClass = getVarOrDirectWord(PARAM_1);
if (newClass == 0) {
// Class '0' means: clean all class data
_classData[obj] = 0;
if ((_features & GF_SMALL_HEADER) && obj <= _numActors) {
Actor *a = derefActor(obj, "o5_setClass");
a->ignoreBoxes = false;
a->forceClip = 0;
}
} else
putClass(obj, newClass, (newClass & 0x80) ? true : false);
}
}
void ScummEngine_v5::o5_add() {
int a;
getResultPos();
a = getVarOrDirectWord(PARAM_1);
// WORKAROUND bug #770065: This works around a script bug in LoomCD. To
// understand the reasoning behind this, compare script 210 and 218 in
// room 20. Apparently they made a mistake when converting the absolute
// delays into relative ones.
if (_gameId == GID_LOOM256 && vm.slot[_currentScript].number == 210 && _currentRoom == 20 && _resultVarNumber == 0x4000) {
switch (a) {
// Fix for the Var[250] == 11 case
case 138:
a = 145;
break;
case 324:
a = 324 - 138;
break;
// Fixes for the Var[250] == 14 case
case 130:
a = 170;
break;
case 342:
a = 342 - 130 + 15; // Small extra adjustment for the "OUCH"
break;
case 384:
a -= 342;
break;
case 564:
a -= 384;
break;
}
}
setResult(readVar(_resultVarNumber) + a);
}
void ScummEngine_v5::o5_and() {
int a;
getResultPos();
a = getVarOrDirectWord(PARAM_1);
setResult(readVar(_resultVarNumber) & a);
}
void ScummEngine_v5::o5_animateActor() {
int act = getVarOrDirectByte(PARAM_1);
int anim = getVarOrDirectByte(PARAM_2);
// WORKAROUND bug #820357: This seems to be yet another script bug which
// the original engine let slip by. For details, refer to the tracker item.
if (_gameId == GID_INDY4 && vm.slot[_currentScript].number == 206 && _currentRoom == 17 && (act == 31 || act == 86)) {
return;
}
Actor *a = derefActor(act, "o5_animateActor");
a->animateActor(anim);
}
void ScummEngine_v5::o5_breakHere() {
updateScriptPtr();
_currentScript = 0xFF;
}
void ScummEngine_v5::o5_chainScript() {
int vars[16];
int script;
int cur;
script = getVarOrDirectByte(PARAM_1);
getWordVararg(vars);
cur = _currentScript;
// WORKAROUND bug #743314: Work around a bug in script 33 in Indy3 VGA.
// That script is used for the fist fights in the Zeppelin. It uses
// Local[5], even though that is never set to any value. But script 33 is
// called via chainScript by script 32, and in there Local[5] is defined
// to the actor ID of the opposing soldier. So, we copy that value over
// to the Local[5] variable of script 33.
if (_gameId == GID_INDY3 && vm.slot[cur].number == 32 && script == 33) {
vars[5] = vm.localvar[cur][5];
}
vm.slot[cur].number = 0;
vm.slot[cur].status = ssDead;
_currentScript = 0xFF;
runScript(script, vm.slot[cur].freezeResistant, vm.slot[cur].recursive, vars);
}
void ScummEngine_v5::o5_cursorCommand() {
int i, j, k;
int table[16];
switch ((_opcode = fetchScriptByte()) & 0x1F) {
case 1: // SO_CURSOR_ON
_cursor.state = 1;
verbMouseOver(0);
break;
case 2: // SO_CURSOR_OFF
_cursor.state = 0;
verbMouseOver(0);
break;
case 3: // SO_USERPUT_ON
_userPut = 1;
break;
case 4: // SO_USERPUT_OFF
_userPut = 0;
break;
case 5: // SO_CURSOR_SOFT_ON
_cursor.state++;
verbMouseOver(0);
break;
case 6: // SO_CURSOR_SOFT_OFF
_cursor.state--;
verbMouseOver(0);
break;
case 7: // SO_USERPUT_SOFT_ON
_userPut++;
break;
case 8: // SO_USERPUT_SOFT_OFF
_userPut--;
break;
case 10: // SO_CURSOR_IMAGE
i = getVarOrDirectByte(PARAM_1);
j = getVarOrDirectByte(PARAM_2);
// cursor image in both Looms is based on image from charset
// omit for now.
// FIXME: Actually: is this opcode ever called by a non-Loom game?
// Which V3-V5 game besides Loom makes use of custom cursors, ever?
if (_gameId != GID_LOOM && _gameId != GID_LOOM256) {
warning("setCursorImg called - tell Fingolfin where you saw this!");
setCursorImg(i, j, 1);
}
break;
case 11: // SO_CURSOR_HOTSPOT
i = getVarOrDirectByte(PARAM_1);
j = getVarOrDirectByte(PARAM_2);
k = getVarOrDirectByte(PARAM_3);
setCursorHotspot(j, k);
break;
case 12: // SO_CURSOR_SET
setCursor(getVarOrDirectByte(PARAM_1));
break;
case 13: // SO_CHARSET_SET
initCharset(getVarOrDirectByte(PARAM_1));
break;
case 14: /* unk */
if (_version == 3) {
/*int a = */ getVarOrDirectByte(PARAM_1);
/*int b = */ getVarOrDirectByte(PARAM_2);
// This is some kind of "init charset" opcode. However, we don't have to do anything
// in here, as our initCharset automatically calls loadCharset for GF_SMALL_HEADER,
// games if needed.
} else {
getWordVararg(table);
for (i = 0; i < 16; i++)
_charsetColorMap[i] = _charsetData[_string[1]._default.charset][i] = (unsigned char)table[i];
}
break;
}
if (!(_gameId == GID_LOOM || _gameId == GID_INDY3)) {
VAR(VAR_CURSORSTATE) = _cursor.state;
VAR(VAR_USERPUT) = _userPut;
}
}
void ScummEngine_v5::o5_cutscene() {
int args[16];
getWordVararg(args);
beginCutscene(args);
}
void ScummEngine_v5::o5_endCutscene() {
endCutscene();
}
void ScummEngine_v5::o5_debug() {
int a = getVarOrDirectWord(PARAM_1);
debug(1, "o5_debug(%d)", a);
}
void ScummEngine_v5::o5_decrement() {
getResultPos();
setResult(readVar(_resultVarNumber) - 1);
}
void ScummEngine_v5::o5_delay() {
int delay = fetchScriptByte();
delay |= fetchScriptByte() << 8;
delay |= fetchScriptByte() << 16;
vm.slot[_currentScript].delay = delay;
vm.slot[_currentScript].status = ssPaused;
o5_breakHere();
}
void ScummEngine_v5::o5_delayVariable() {
vm.slot[_currentScript].delay = getVar();
vm.slot[_currentScript].status = ssPaused;
o5_breakHere();
}
void ScummEngine_v5::o5_divide() {
int a;
getResultPos();
a = getVarOrDirectWord(PARAM_1);
if (a == 0) {
error("Divide by zero");
setResult(0);
} else
setResult(readVar(_resultVarNumber) / a);
}
void ScummEngine_v5::o5_doSentence() {
int verb;
SentenceTab *st;
verb = getVarOrDirectByte(PARAM_1);
if (verb == 0xFE) {
_sentenceNum = 0;
stopScript(VAR(VAR_SENTENCE_SCRIPT));
clearClickedStatus();
return;
}
st = &_sentence[_sentenceNum++];
st->verb = verb;
st->objectA = getVarOrDirectWord(PARAM_2);
st->objectB = getVarOrDirectWord(PARAM_3);
st->preposition = (st->objectB != 0);
st->freezeCount = 0;
}
void ScummEngine_v5::o5_drawBox() {
int x, y, x2, y2, color;
x = getVarOrDirectWord(PARAM_1);
y = getVarOrDirectWord(PARAM_2);
_opcode = fetchScriptByte();
x2 = getVarOrDirectWord(PARAM_1);
y2 = getVarOrDirectWord(PARAM_2);
color = getVarOrDirectByte(PARAM_3);
drawBox(x, y, x2, y2, color);
}
void ScummEngine_v5::o5_drawObject() {
int state, obj, idx, i;
ObjectData *od;
uint16 x, y, w, h;
int xpos, ypos;
state = 1;
xpos = ypos = 255;
obj = getVarOrDirectWord(PARAM_1);
if (_features & GF_SMALL_HEADER) {
xpos = getVarOrDirectWord(PARAM_2);
ypos = getVarOrDirectWord(PARAM_3);
} else {
_opcode = fetchScriptByte();
switch (_opcode & 0x1F) {
case 1: /* draw at */
xpos = getVarOrDirectWord(PARAM_1);
ypos = getVarOrDirectWord(PARAM_2);
break;
case 2: /* set state */
state = getVarOrDirectWord(PARAM_1);
break;
case 0x1F: /* neither */
break;
default:
error("o5_drawObject: unknown subopcode %d", _opcode & 0x1F);
}
}
idx = getObjectIndex(obj);
if (idx == -1)
return;
od = &_objs[idx];
if (xpos != 0xFF) {
od->walk_x += (xpos * 8) - od->x_pos;
od->x_pos = xpos * 8;
od->walk_y += (ypos * 8) - od->y_pos;
od->y_pos = ypos * 8;
}
addObjectToDrawQue(idx);
x = od->x_pos;
y = od->y_pos;
w = od->width;
h = od->height;
i = _numLocalObjects - 1;
do {
if (_objs[i].obj_nr && _objs[i].x_pos == x && _objs[i].y_pos == y && _objs[i].width == w && _objs[i].height == h)
putState(_objs[i].obj_nr, 0);
} while (--i);
putState(obj, state);
}
void ScummEngine_v5::o5_getStringWidth() {
// TODO - not sure if this is correct... needs testing
int string, width = 0;
byte *ptr;
getResultPos();
string = getVarOrDirectByte(PARAM_1);
ptr = getResourceAddress(rtString, string);
assert(ptr);
width = _charset->getStringWidth(0, ptr);
setResult(width);
warning("o5_getStringWidth, result %d", width);
}
void ScummEngine_v5::o5_saveLoadVars() {
// TODO
if (fetchScriptByte() == 1)
saveVars();
else
loadVars();
}
void ScummEngine_v5::saveVars() {
int a, b;
while ((_opcode = fetchScriptByte()) != 0) {
switch (_opcode & 0x1F) {
case 0x01: // write a range of variables
getResultPos();
a = _resultVarNumber;
getResultPos();
b = _resultVarNumber;
warning("stub saveVars: vars %d -> %d", a, b);
break;
case 0x02: // write a range of string variables
a = getVarOrDirectByte(PARAM_1);
b = getVarOrDirectByte(PARAM_2);
warning("stub saveVars: strings %d -> %d", a, b);
break;
case 0x03: // open file
a = resStrLen(_scriptPointer);
warning("stub saveVars to %s", _scriptPointer);
_scriptPointer += a + 1;
break;
case 0x04:
return;
break;
case 0x1F: // close file
warning("stub saveVars close file");
return;
break;
}
}
}
void ScummEngine_v5::loadVars() {
int a, b;
// Common::hexdump(_scriptPointer, 64);
while ((_opcode = fetchScriptByte()) != 0) {
switch (_opcode & 0x1F) {
case 0x01: // read a range of variables
getResultPos();
a = _resultVarNumber;
getResultPos();
b = _resultVarNumber;
warning("stub loadVars: vars %d -> %d", a, b);
break;
case 0x02: // read a range of string variables
a = getVarOrDirectByte(0x80);
b = getVarOrDirectByte(0x40);
warning("stub loadVars: strings %d -> %d", a, b);
break;
case 0x03: // open file
a = resStrLen(_scriptPointer);
warning("stub loadVars from %s", _scriptPointer);
_scriptPointer += a + 1;
break;
case 0x04:
return;
break;
case 0x1F: // close file
warning("stub loadVars close file");
return;
break;
}
}
}
void ScummEngine_v5::o5_expression() {
int dst, i;
_scummStackPos = 0;
getResultPos();
dst = _resultVarNumber;
while ((_opcode = fetchScriptByte()) != 0xFF) {
switch (_opcode & 0x1F) {
case 1: /* varordirect */
push(getVarOrDirectWord(PARAM_1));
break;
case 2: /* add */
i = pop();
push(i + pop());
break;
case 3: /* sub */
i = pop();
push(pop() - i);
break;
case 4: /* mul */
i = pop();
push(i * pop());
break;
case 5: /* div */
i = pop();
if (i == 0)
error("Divide by zero");
push(pop() / i);
break;
case 6: /* normal opcode */
_opcode = fetchScriptByte();
executeOpcode(_opcode);
push(_scummVars[0]);
break;
}
}
_resultVarNumber = dst;
setResult(pop());
}
void ScummEngine_v5::o5_faceActor() {
int act = getVarOrDirectByte(PARAM_1);
int obj = getVarOrDirectWord(PARAM_2);
Actor *a = derefActor(act, "o5_faceActor");
a->faceToObject(obj);
}
void ScummEngine_v5::o5_findInventory() {
getResultPos();
int x = getVarOrDirectByte(PARAM_1);
int y = getVarOrDirectByte(PARAM_2);
setResult(findInventory(x, y));
}
void ScummEngine_v5::o5_findObject() {
getResultPos();
int x = getVarOrDirectByte(PARAM_1);
int y = getVarOrDirectByte(PARAM_2);
setResult(findObject(x, y));
}
void ScummEngine_v5::o5_freezeScripts() {
int scr = getVarOrDirectByte(PARAM_1);
if (scr != 0)
freezeScripts(scr);
else
unfreezeScripts();
}
void ScummEngine_v5::o5_getActorCostume() {
getResultPos();
int act = getVarOrDirectByte(PARAM_1);
Actor *a = derefActor(act, "o5_getActorCostume");
setResult(a->costume);
}
void ScummEngine_v5::o5_getActorElevation() {
getResultPos();
int act = getVarOrDirectByte(PARAM_1);
Actor *a = derefActor(act, "o5_getActorElevation");
setResult(a->getElevation());
}
void ScummEngine_v5::o5_getActorFacing() {
getResultPos();
int act = getVarOrDirectByte(PARAM_1);
Actor *a = derefActor(act, "o5_getActorFacing");
setResult(newDirToOldDir(a->getFacing()));
}
void ScummEngine_v5::o5_getActorMoving() {
getResultPos();
int act = getVarOrDirectByte(PARAM_1);
Actor *a = derefActor(act, "o5_getActorMoving");
setResult(a->moving);
}
void ScummEngine_v5::o5_getActorRoom() {
getResultPos();
int act = getVarOrDirectByte(PARAM_1);
// WORKAROUND bug #746349. This is a really odd bug in either the script
// or in our script engine. Might be a good idea to investigate this
// further by e.g. looking at the FOA engine a bit closer.
if (_gameId == GID_INDY4 && _roomResource == 94 && vm.slot[_currentScript].number == 206 && act > _numActors) {
setResult(0);
return;
}
Actor *a = derefActor(act, "o5_getActorRoom");
setResult(a->room);
}
void ScummEngine_v5::o5_getActorScale() {
Actor *a;
// dummy opcode in the loom
if (_gameId == GID_LOOM)
return;
// INDY3 uses this opcode for waitForActor
if (_gameId == GID_INDY3) {
const byte *oldaddr = _scriptPointer - 1;
a = derefActor(getVarOrDirectByte(PARAM_1), "o5_getActorScale (wait)");
if (a->moving) {
_scriptPointer = oldaddr;
o5_breakHere();
}
return;
}
getResultPos();
int act = getVarOrDirectByte(PARAM_1);
a = derefActor(act, "o5_getActorScale");
setResult(a->scalex);
}
void ScummEngine_v5::o5_getActorWalkBox() {
getResultPos();
int act = getVarOrDirectByte(PARAM_1);
Actor *a = derefActor(act, "o5_getActorWalkBox");
setResult(a->walkbox);
}
void ScummEngine_v5::o5_getActorWidth() {
getResultPos();
int act = getVarOrDirectByte(PARAM_1);
Actor *a = derefActor(act, "o5_getActorWidth");
setResult(a->width);
}
void ScummEngine_v5::o5_getActorX() {
int a;
getResultPos();
if ((_gameId == GID_INDY3) && !(_features & GF_MACINTOSH))
a = getVarOrDirectByte(PARAM_1);
else
a = getVarOrDirectWord(PARAM_1);
setResult(getObjX(a));
}
void ScummEngine_v5::o5_getActorY() {
int a;
getResultPos();
if ((_gameId == GID_INDY3) && !(_features & GF_MACINTOSH)) {
a = getVarOrDirectByte(PARAM_1);
// WORKAROUND bug #636433 (can't get into Zeppelin)
if (_roomResource == 36) {
setResult(getObjY(a) - 1);
return;
}
} else
a = getVarOrDirectWord(PARAM_1);
setResult(getObjY(a));
}
void ScummEngine_v5::o5_saveLoadGame() {
getResultPos();
byte a = getVarOrDirectByte(PARAM_1);
byte slot = (a & 0x1F) + 1;
byte result = 0;
if ((_gameId == GID_MANIAC) && (_version == 1)) {
// Convert older load/save screen
// 1 Load
// 2 Save
slot = 1;
if (a == 1)
_opcode = 0x40;
else if (a == 2)
_opcode = 0x80;
} else
_opcode = a & 0xE0;
switch (_opcode) {
case 0x00: // num slots available
result = 100;
break;
case 0x20: // drive
// 0 = hard drive
// 1 = disk drive
result = 0;
break;
case 0x40: // load
if (loadState(slot, _saveTemporaryState))
result = 3; // sucess
else
result = 5; // failed to load
break;
case 0x80: // save
if (saveState(slot, _saveTemporaryState))
result = 0;
else
result = 2;
break;
case 0xC0: // test if save exists
bool avail_saves[100];
char filename[256];
SaveFileManager *mgr = _system->get_savefile_manager();
listSavegames(avail_saves, ARRAYSIZE(avail_saves), mgr);
makeSavegameName(filename, slot, false);
if (avail_saves[slot] && (mgr->open_savefile(filename, getSavePath(), false)))
result = 6; // save file exists
else
result = 7; // save file does not exist
break;
}
setResult(result);
}
void ScummEngine_v5::o5_getAnimCounter() {
if (_version == 3) {
o5_saveLoadGame();
return;
}
getResultPos();
int act = getVarOrDirectByte(PARAM_1);
Actor *a = derefActor(act, "o5_getAnimCounter");
setResult(a->cost.animCounter);
}
void ScummEngine_v5::o5_getClosestObjActor() {
int obj;
int act;
int dist;
// This code can't detect any actors farther away than 255 units
// (pixels in newer games, characters in older ones.) But this is
// perfectly OK, as it is exactly how the original behaved.
int closest_obj = 0xFF, closest_dist = 0xFF;
getResultPos();
act = getVarOrDirectWord(PARAM_1);
obj = VAR(VAR_ACTOR_RANGE_MAX);
do {
dist = getObjActToObjActDist(act, obj);
if (dist < closest_dist) {
closest_dist = dist;
closest_obj = obj;
}
} while (--obj >= VAR(VAR_ACTOR_RANGE_MIN));
setResult(closest_obj);
}
void ScummEngine_v5::o5_getDist() {
int o1, o2;
int r;
getResultPos();
o1 = getVarOrDirectWord(PARAM_1);
o2 = getVarOrDirectWord(PARAM_2);
r = getObjActToObjActDist(o1, o2);
// FIXME: MI2 race workaround, see bug #597022
if (_gameId == GID_MONKEY2 && vm.slot[_currentScript].number == 40 && r < 60)
r = 60;
// FIXME: Workaround for bug #795937
if ((_gameId == GID_MONKEY_EGA || _gameId == GID_PASS) && o1 == 1 && o2 == 307 && vm.slot[_currentScript].number == 205 && r == 2)
r = 3;
setResult(r);
}
void ScummEngine_v5::o5_getInventoryCount() {
getResultPos();
setResult(getInventoryCount(getVarOrDirectByte(PARAM_1)));
}
void ScummEngine_v5::o5_getObjectOwner() {
getResultPos();
setResult(getOwner(getVarOrDirectWord(PARAM_1)));
}
void ScummEngine_v5::o5_getObjectState() {
if (_features & GF_SMALL_HEADER) {
o5_ifState();
} else {
getResultPos();
setResult(getState(getVarOrDirectWord(PARAM_1)));
}
}
void ScummEngine_v5::o5_ifState() {
int a = getVarOrDirectWord(PARAM_1);
int b = getVarOrDirectByte(PARAM_2);
if (getState(a) != b)
o5_jumpRelative();
else
ignoreScriptWord();
}
void ScummEngine_v5::o5_ifNotState() {
int a = getVarOrDirectWord(PARAM_1);
int b = getVarOrDirectByte(PARAM_2);
if (getState(a) == b)
o5_jumpRelative();
else
ignoreScriptWord();
}
void ScummEngine_v5::o5_getRandomNr() {
getResultPos();
setResult(_rnd.getRandomNumber(getVarOrDirectByte(PARAM_1)));
}
void ScummEngine_v5::o5_isScriptRunning() {
getResultPos();
setResult(isScriptRunning(getVarOrDirectByte(PARAM_1)));
}
void ScummEngine_v5::o5_getVerbEntrypoint() {
int a, b;
getResultPos();
a = getVarOrDirectWord(PARAM_1);
b = getVarOrDirectWord(PARAM_2);
setResult(getVerbEntrypoint(a, b));
}
void ScummEngine_v5::o5_ifClassOfIs() {
int act, cls, b = 0;
bool cond = true;
act = getVarOrDirectWord(PARAM_1);
while ((_opcode = fetchScriptByte()) != 0xFF) {
cls = getVarOrDirectWord(PARAM_1);
if (!cls) // FIXME: Ender can't remember why this is here,
b = false; // but it fixes an oddball zak256 crash
else
b = getClass(act, cls);
if (cls & 0x80 && !b || !(cls & 0x80) && b)
cond = false;
}
if (cond)
ignoreScriptWord();
else
o5_jumpRelative();
}
void ScummEngine_v5::o5_increment() {
getResultPos();
setResult(readVar(_resultVarNumber) + 1);
}
void ScummEngine_v5::o5_isActorInBox() {
int act = getVarOrDirectByte(PARAM_1);
int box = getVarOrDirectByte(PARAM_2);
Actor *a = derefActor(act, "o5_isActorInBox");
if (!checkXYInBoxBounds(box, a->_pos.x, a->_pos.y))
o5_jumpRelative();
else
ignoreScriptWord();
}
void ScummEngine_v5::o5_isEqual() {
int16 a, b;
int var;
if (_version <= 2)
var = fetchScriptByte();
else
var = fetchScriptWord();
a = readVar(var);
b = getVarOrDirectWord(PARAM_1);
// HACK: See bug report #602348. The sound effects for Largo's screams
// are only played on type 5 soundcards. However, there is at least one
// other sound effect (the bartender spitting) which is only played on
// type 3 soundcards.
if (_gameId == GID_MONKEY2 && var == VAR_SOUNDCARD && b == 5)
b = a;
if (b == a)
ignoreScriptWord();
else
o5_jumpRelative();
}
void ScummEngine_v5::o5_isGreater() {
int16 a = getVar();
int16 b = getVarOrDirectWord(PARAM_1);
if (b > a)
ignoreScriptWord();
else
o5_jumpRelative();
}
void ScummEngine_v5::o5_isGreaterEqual() {
int16 a = getVar();
int16 b = getVarOrDirectWord(PARAM_1);
if (b >= a)
ignoreScriptWord();
else
o5_jumpRelative();
}
void ScummEngine_v5::o5_isLess() {
int16 a = getVar();
int16 b = getVarOrDirectWord(PARAM_1);
if (b < a)
ignoreScriptWord();
else
o5_jumpRelative();
}
void ScummEngine_v5::o5_lessOrEqual() {
int16 a = getVar();
int16 b = getVarOrDirectWord(PARAM_1);
// WORKAROUND bug #820507 : Work around a bug in Indy3Town.
if (_gameId == GID_INDY3 && (_features & GF_FMTOWNS) &&
(vm.slot[_currentScript].number == 200 || vm.slot[_currentScript].number == 203) &&
_currentRoom == 70 && b == -256) {
o5_jumpRelative();
return;
}
if (b <= a)
ignoreScriptWord();
else
o5_jumpRelative();
}
void ScummEngine_v5::o5_isNotEqual() {
int16 a = getVar();
int16 b = getVarOrDirectWord(PARAM_1);
if (b != a)
ignoreScriptWord();
else
o5_jumpRelative();
}
void ScummEngine_v5::o5_notEqualZero() {
int a = getVar();
if (a != 0)
ignoreScriptWord();
else
o5_jumpRelative();
}
void ScummEngine_v5::o5_equalZero() {
int a = getVar();
if (a == 0)
ignoreScriptWord();
else
o5_jumpRelative();
}
void ScummEngine_v5::o5_jumpRelative() {
_scriptPointer += (int16)fetchScriptWord();
}
void ScummEngine_v5::o5_lights() {
int a, b, c;
a = getVarOrDirectByte(PARAM_1);
b = fetchScriptByte();
c = fetchScriptByte();
if (c == 0)
VAR(VAR_CURRENT_LIGHTS) = a;
else if (c == 1) {
_flashlight.xStrips = a;
_flashlight.yStrips = b;
}
_fullRedraw = 1;
}
void ScummEngine_v5::o5_loadRoom() {
int room;
room = getVarOrDirectByte(PARAM_1);
// For small header games, we only call startScene if the room
// actually changed. This avoid unwanted (wrong) fades in Zak256
// and others. OTOH, it seems to cause a problem in newer games.
if (!(_features & GF_SMALL_HEADER) || room != _currentRoom)
startScene(room, 0, 0);
_fullRedraw = 1;
}
void ScummEngine_v5::o5_loadRoomWithEgo() {
Actor *a;
int obj, room, x, y;
int x2, y2, dir, oldDir;
obj = getVarOrDirectWord(PARAM_1);
room = getVarOrDirectByte(PARAM_2);
a = derefActor(VAR(VAR_EGO), "o5_loadRoomWithEgo");
a->putActor(0, 0, room);
oldDir = a->getFacing();
_egoPositioned = false;
x = (int16)fetchScriptWord();
y = (int16)fetchScriptWord();
VAR(VAR_WALKTO_OBJ) = obj;
startScene(a->room, a, obj);
VAR(VAR_WALKTO_OBJ) = 0;
if (_version <= 4) {
if (!_egoPositioned) {
getObjectXYPos(obj, x2, y2, dir);
a->putActor(x2, y2, _currentRoom);
if (a->getFacing() == oldDir)
a->setDirection(dir + 180);
}
a->moving = 0;
}
// This is based on disassembly
camera._cur.x = a->_pos.x;
setCameraAt(a->_pos.x, a->_pos.y);
setCameraFollows(a);
_fullRedraw = 1;
if (x != -1) {
a->startWalkActor(x, y, -1);
}
}
void ScummEngine_v5::o5_matrixOps() {
int a, b;
if (_version == 3) {
a = getVarOrDirectByte(PARAM_1);
b = fetchScriptByte();
setBoxFlags(a, b);
return;
}
_opcode = fetchScriptByte();
switch (_opcode & 0x1F) {
case 1:
a = getVarOrDirectByte(PARAM_1);
b = getVarOrDirectByte(PARAM_2);
setBoxFlags(a, b);
break;
case 2:
a = getVarOrDirectByte(PARAM_1);
b = getVarOrDirectByte(PARAM_2);
setBoxScale(a, b);
break;
case 3:
a = getVarOrDirectByte(PARAM_1);
b = getVarOrDirectByte(PARAM_2);
setBoxScale(a, (b - 1) | 0x8000);
break;
case 4:
createBoxMatrix();
break;
}
}
void ScummEngine_v5::o5_move() {
getResultPos();
setResult(getVarOrDirectWord(PARAM_1));
}
void ScummEngine_v5::o5_multiply() {
int a;
getResultPos();
a = getVarOrDirectWord(PARAM_1);
setResult(readVar(_resultVarNumber) * a);
}
void ScummEngine_v5::o5_or() {
int a;
getResultPos();
a = getVarOrDirectWord(PARAM_1);
setResult(readVar(_resultVarNumber) | a);
}
void ScummEngine_v5::o5_beginOverride() {
if (fetchScriptByte() != 0)
beginOverride();
else
endOverride();
}
void ScummEngine_v5::o5_panCameraTo() {
panCameraTo(getVarOrDirectWord(PARAM_1), 0);
}
void ScummEngine_v5::o5_pickupObject() {
int obj, room;
if (_version == 3 || _version == 4) {
o5_drawObject();
return;
}
obj = getVarOrDirectWord(PARAM_1);
room = getVarOrDirectByte(PARAM_2);
if (room == 0)
room = _roomResource;
addObjectToInventory(obj, room);
putOwner(obj, VAR(VAR_EGO));
putClass(obj, kObjectClassUntouchable, 1);
putState(obj, 1);
markObjectRectAsDirty(obj);
clearDrawObjectQueue();
runInventoryScript(1);
}
void ScummEngine_v5::o5_print() {
_actorToPrintStrFor = getVarOrDirectByte(PARAM_1);
decodeParseString();
}
void ScummEngine_v5::o5_printEgo() {
_actorToPrintStrFor = (byte)VAR(VAR_EGO);
decodeParseString();
}
void ScummEngine_v5::o5_pseudoRoom() {
int i = fetchScriptByte(), j;
while ((j = fetchScriptByte()) != 0) {
if (j >= 0x80) {
_resourceMapper[j & 0x7F] = i;
}
}
}
void ScummEngine_v5::o5_putActor() {
int x, y;
Actor *a;
a = derefActor(getVarOrDirectByte(PARAM_1), "o5_putActor");
x = getVarOrDirectWord(PARAM_2);
y = getVarOrDirectWord(PARAM_3);
a->putActor(x, y, a->room);
}
void ScummEngine_v5::o5_putActorAtObject() {
int obj, x, y;
Actor *a;
a = derefActor(getVarOrDirectByte(PARAM_1), "o5_putActorAtObject");
obj = getVarOrDirectWord(PARAM_2);
if (whereIsObject(obj) != WIO_NOT_FOUND)
getObjectXYPos(obj, x, y);
else {
x = 240;
y = 120;
}
a->putActor(x, y, a->room);
}
void ScummEngine_v5::o5_putActorInRoom() {
Actor *a;
int act = getVarOrDirectByte(PARAM_1);
int room = getVarOrDirectByte(PARAM_2);
a = derefActor(act, "o5_putActorInRoom");
if (a->visible && _currentRoom != room && getTalkingActor() == a->number) {
stopTalk();
}
a->room = room;
if (!room)
a->putActor(0, 0, 0);
}
void ScummEngine_v5::o5_quitPauseRestart() {
byte subOp = fetchScriptByte();
switch (subOp) {
case 1: // SO_RESTART
restart();
break;
case 2: // SO_PAUSE
pauseGame();
break;
case 3: // SO_QUIT
shutDown();
break;
default:
error("o5_quitPauseRestart: unknown subopcode %d", subOp);
}
}
void ScummEngine_v5::o5_resourceRoutines() {
const ResTypes resType[4] = { rtScript, rtSound, rtCostume, rtRoom };
int resid = 0;
int foo, bar;
_opcode = fetchScriptByte();
if (_opcode != 17)
resid = getVarOrDirectByte(PARAM_1);
if (!(_features & GF_FMTOWNS)) {
// FIXME - this probably can be removed eventually, I don't think the following
// check will ever be triggered, but then I could be wrong and it's better
// to play it safe.
if ((_opcode & 0x3F) != (_opcode & 0x1F))
error("Oops, this shouldn't happen: o5_resourceRoutines opcode %d", _opcode);
}
int op = _opcode & 0x3F;
switch (_opcode & 0x3F) {
case 1: // SO_LOAD_SCRIPT
case 2: // SO_LOAD_SOUND
case 3: // SO_LOAD_COSTUME
ensureResourceLoaded(resType[op - 1], resid);
break;
case 4: // SO_LOAD_ROOM
if (_version == 3) {
ensureResourceLoaded(rtRoom, resid);
if (resid > 0x7F)
resid = _resourceMapper[resid & 0x7F];
if (_currentRoom != resid) {
res.flags[rtRoom][resid] |= 1;
}
} else
ensureResourceLoaded(rtRoom, resid);
break;
case 5: // SO_NUKE_SCRIPT
case 6: // SO_NUKE_SOUND
case 7: // SO_NUKE_COSTUME
case 8: // SO_NUKE_ROOM
if (_gameId == GID_ZAK256)
warning("o5_resourceRoutines %d should not occur in Zak256", op);
else
setResourceCounter(resType[op-5], resid, 0x7F);
break;
case 9: // SO_LOCK_SCRIPT
if (resid >= _numGlobalScripts)
break;
lock(rtScript, resid);
break;
case 10: // SO_LOCK_SOUND
lock(rtSound, resid);
break;
case 11: // SO_LOCK_COSTUME
lock(rtCostume, resid);
break;
case 12: // SO_LOCK_ROOM
if (resid > 0x7F)
resid = _resourceMapper[resid & 0x7F];
lock(rtRoom, resid);
break;
case 13: // SO_UNLOCK_SCRIPT
if (resid >= _numGlobalScripts)
break;
unlock(rtScript, resid);
break;
case 14: // SO_UNLOCK_SOUND
unlock(rtSound, resid);
break;
case 15: // SO_UNLOCK_COSTUME
unlock(rtCostume, resid);
break;
case 16: // SO_UNLOCK_ROOM
if (resid > 0x7F)
resid = _resourceMapper[resid & 0x7F];
unlock(rtRoom, resid);
break;
case 17: // SO_CLEAR_HEAP
//heapClear(0);
//unkHeapProc2(0, 0);
break;
case 18: // SO_LOAD_CHARSET
loadCharset(resid);
break;
case 19: // SO_NUKE_CHARSET
nukeCharset(resid);
break;
case 20: // SO_LOAD_OBJECT
loadFlObject(getVarOrDirectWord(PARAM_2), resid);
break;
// TODO: For the following see also Hibarnatus' information on bug #805691.
case 32:
// TODO (apparently never used in FM Towns)
warning("o5_resourceRoutines %d not yet handled (script %d)", _opcode & 0x3F, vm.slot[_currentScript].number);
break;
case 33:
// TODO (apparently never used in FM Towns)
warning("o5_resourceRoutines %d not yet handled (script %d)", _opcode & 0x3F, vm.slot[_currentScript].number);
break;
case 35:
// TODO: Might be used to set CD volume in FM Towns Loom
foo = getVarOrDirectByte(PARAM_2);
warning("o5_resourceRoutines %d not yet handled (script %d)", _opcode & 0x3F, vm.slot[_currentScript].number);
break;
case 36:
// TODO: Sets the loudness of a sound resource. Used in Indy3 and Zak.
foo = getVarOrDirectByte(PARAM_2);
bar = fetchScriptByte();
warning("o5_resourceRoutines %d not yet handled (script %d)", _opcode & 0x3F, vm.slot[_currentScript].number);
break;
case 37:
// TODO: Sets the pitch of a sound resource (pitch = foo - center semitones.
// "center" is at 0x32 in the sfx resource (always 0x3C in zak256, but sometimes different in Indy3).
foo = getVarOrDirectByte(PARAM_2);
warning("o5_resourceRoutines %d not yet handled (script %d)", _opcode & 0x3F, vm.slot[_currentScript].number);
break;
default:
warning("Unknown o5_resourceRoutines: %d", _opcode & 0x3F);
break;
}
}
void ScummEngine_v5::o5_roomOps() {
int a = 0, b = 0, c, d, e;
if (_version == 3) {
a = getVarOrDirectWord(PARAM_1);
b = getVarOrDirectWord(PARAM_2);
}
_opcode = fetchScriptByte();
switch (_opcode & 0x1F) {
case 1: // SO_ROOM_SCROLL
if (_version != 3) {
a = getVarOrDirectWord(PARAM_1);
b = getVarOrDirectWord(PARAM_2);
}
if (a < (_screenWidth / 2))
a = (_screenWidth / 2);
if (b < (_screenWidth / 2))
b = (_screenWidth / 2);
if (a > _roomWidth - (_screenWidth / 2))
a = _roomWidth - (_screenWidth / 2);
if (b > _roomWidth - (_screenWidth / 2))
b = _roomWidth - (_screenWidth / 2);
VAR(VAR_CAMERA_MIN_X) = a;
VAR(VAR_CAMERA_MAX_X) = b;
break;
case 2: // SO_ROOM_COLOR
if (_features & GF_SMALL_HEADER) {
if (_version != 3) {
a = getVarOrDirectWord(PARAM_1);
b = getVarOrDirectWord(PARAM_2);
}
checkRange(256, 0, a, "o5_roomOps: 2: Illegal room color slot (%d)");
_roomPalette[b] = a;
_fullRedraw = true;
} else {
error("room-color is no longer a valid command");
}
break;
case 3: // SO_ROOM_SCREEN
if (_version != 3) {
a = getVarOrDirectWord(PARAM_1);
b = getVarOrDirectWord(PARAM_2);
}
initScreens(a, b);
break;
case 4: // SO_ROOM_PALETTE
if (_features & GF_SMALL_HEADER) {
if (_version != 3) {
a = getVarOrDirectWord(PARAM_1);
b = getVarOrDirectWord(PARAM_2);
}
checkRange(256, 0, a, "o5_roomOps: 2: Illegal room color slot (%d)");
_shadowPalette[b] = a;
setDirtyColors(b, b);
} else {
a = getVarOrDirectWord(PARAM_1);
b = getVarOrDirectWord(PARAM_2);
c = getVarOrDirectWord(PARAM_3);
_opcode = fetchScriptByte();
d = getVarOrDirectByte(PARAM_1);
setPalColor(d, a, b, c); /* index, r, g, b */
}
break;
case 5: // SO_ROOM_SHAKE_ON
setShake(1);
break;
case 6: // SO_ROOM_SHAKE_OFF
setShake(0);
break;
case 7: // SO_ROOM_SCALE
a = getVarOrDirectByte(PARAM_1);
b = getVarOrDirectByte(PARAM_2);
_opcode = fetchScriptByte();
c = getVarOrDirectByte(PARAM_1);
d = getVarOrDirectByte(PARAM_2);
_opcode = fetchScriptByte();
e = getVarOrDirectByte(PARAM_2);
setScaleSlot(e - 1, 0, b, a, 0, d, c);
break;
case 8: // SO_ROOM_INTENSITY
if (_features & GF_SMALL_HEADER) {
if (_version != 3) {
a = getVarOrDirectWord(PARAM_1);
b = getVarOrDirectWord(PARAM_2);
}
c = getVarOrDirectWord(PARAM_3);
} else {
a = getVarOrDirectByte(PARAM_1);
b = getVarOrDirectByte(PARAM_2);
c = getVarOrDirectByte(PARAM_3);
}
darkenPalette(a, a, a, b, c);
break;
case 9: // SO_ROOM_SAVEGAME
_saveLoadFlag = getVarOrDirectByte(PARAM_1);
_saveLoadSlot = getVarOrDirectByte(PARAM_2);
_saveLoadSlot = 99; /* use this slot */
_saveTemporaryState = true;
break;
case 10: // SO_ROOM_FADE
a = getVarOrDirectWord(PARAM_1);
if (a) {
_switchRoomEffect = (byte)(a & 0xFF);
_switchRoomEffect2 = (byte)(a >> 8);
} else {
fadeIn(_newEffect);
}
break;
case 11: // SO_RGB_ROOM_INTENSITY
a = getVarOrDirectWord(PARAM_1);
b = getVarOrDirectWord(PARAM_2);
c = getVarOrDirectWord(PARAM_3);
_opcode = fetchScriptByte();
d = getVarOrDirectByte(PARAM_1);
e = getVarOrDirectByte(PARAM_2);
darkenPalette(a, b, c, d, e);
break;
case 12: // SO_ROOM_SHADOW
a = getVarOrDirectWord(PARAM_1);
b = getVarOrDirectWord(PARAM_2);
c = getVarOrDirectWord(PARAM_3);
_opcode = fetchScriptByte();
d = getVarOrDirectByte(PARAM_1);
e = getVarOrDirectByte(PARAM_2);
setupShadowPalette(a, b, c, d, e);
break;
case 13: // SO_SAVE_STRING
{
SaveFile *file;
char filename[256], *s;
a = getVarOrDirectByte(PARAM_1);
s = filename;
while ((*s++ = fetchScriptByte()));
SaveFileManager *mgr = _system->get_savefile_manager();
file = mgr->open_savefile(filename, getSavePath(), true);
if (file != NULL) {
byte *ptr;
ptr = getResourceAddress(rtString, a);
file->write(ptr, resStrLen(ptr) + 1);
delete file;
}
delete mgr;
break;
}
case 14: // SO_LOAD_STRING
{
SaveFile *file;
char filename[256], *s;
a = getVarOrDirectByte(PARAM_1);
s = filename;
while ((*s++ = fetchScriptByte()));
SaveFileManager *mgr = _system->get_savefile_manager();
file = mgr->open_savefile(filename, getSavePath(), false);
if (file != NULL) {
byte *ptr;
int len = 256, cnt = 0;
ptr = (byte *)malloc(len);
while (ptr) {
int r = file->read(ptr + cnt, len - cnt);
if ((cnt += r) < len) break;
ptr = (byte *)realloc(ptr, len *= 2);
}
ptr[cnt] = '\0';
loadPtrToResource(rtString, a, ptr);
free(ptr);
delete file;
}
delete mgr;
break;
}
case 15: // SO_ROOM_TRANSFORM
a = getVarOrDirectByte(PARAM_1);
_opcode = fetchScriptByte();
b = getVarOrDirectByte(PARAM_1);
c = getVarOrDirectByte(PARAM_2);
_opcode = fetchScriptByte();
d = getVarOrDirectByte(PARAM_1);
palManipulateInit(a, b, c, d);
break;
case 16: // SO_CYCLE_SPEED
a = getVarOrDirectByte(PARAM_1);
b = getVarOrDirectByte(PARAM_2);
if (a < 1)
a = 1; /* FIXME: ZAK256 */
checkRange(16, 1, a, "o5_roomOps: 16: color cycle out of range (%d)");
_colorCycle[a - 1].delay = (b != 0) ? 0x4000 / (b * 0x4C) : 0;
break;
default:
error("o5_roomOps: unknown subopcode %d", _opcode & 0x1F);
}
}
void ScummEngine_v5::o5_saveRestoreVerbs() {
int a, b, c, slot, slot2;
_opcode = fetchScriptByte();
a = getVarOrDirectByte(PARAM_1);
b = getVarOrDirectByte(PARAM_2);
c = getVarOrDirectByte(PARAM_3);
switch (_opcode) {
case 1: // SO_SAVE_VERBS
while (a <= b) {
slot = getVerbSlot(a, 0);
if (slot && _verbs[slot].saveid == 0) {
_verbs[slot].saveid = c;
drawVerb(slot, 0);
verbMouseOver(0);
}
a++;
}
break;
case 2: // SO_RESTORE_VERBS
while (a <= b) {
slot = getVerbSlot(a, c);
if (slot) {
slot2 = getVerbSlot(a, 0);
if (slot2)
killVerb(slot2);
slot = getVerbSlot(a, c);
_verbs[slot].saveid = 0;
drawVerb(slot, 0);
verbMouseOver(0);
}
a++;
}
break;
case 3: // SO_DELETE_VERBS
while (a <= b) {
slot = getVerbSlot(a, c);
if (slot)
killVerb(slot);
a++;
}
break;
default:
error("o5_saveRestoreVerbs: unknown subopcode %d", _opcode);
}
}
void ScummEngine_v5::o5_setCameraAt() {
setCameraAtEx(getVarOrDirectWord(PARAM_1));
}
void ScummEngine_v5::o5_setObjectName() {
int obj = getVarOrDirectWord(PARAM_1);
setObjectName(obj);
}
void ScummEngine_v5::o5_setOwnerOf() {
int obj, owner;
obj = getVarOrDirectWord(0x80);
owner = getVarOrDirectByte(0x40);
setOwnerOf(obj, owner);
}
void ScummEngine_v5::o5_setState() {
int obj, state;
obj = getVarOrDirectWord(PARAM_1);
state = getVarOrDirectByte(PARAM_2);
putState(obj, state);
markObjectRectAsDirty(obj);
if (_BgNeedsRedraw)
clearDrawObjectQueue();
}
void ScummEngine_v5::o5_setVarRange() {
int a, b;
getResultPos();
a = fetchScriptByte();
do {
if (_opcode & 0x80)
b = fetchScriptWordSigned();
else
b = fetchScriptByte();
setResult(b);
_resultVarNumber++;
} while (--a);
}
void ScummEngine_v5::o5_startMusic() {
if (_features & GF_FMTOWNS) {
// In FM Towns games this is some kind of Audio CD status query function.
// See also bug #762589 (thanks to Hibernatus for providing the information).
getResultPos();
int b = getVarOrDirectByte(PARAM_1);
int result = 0;
switch (b) {
case 0:
result = _sound->pollCD() == 0;
break;
case 0xFC:
// TODO: Unpause (resume) audio track. We'll have to extend Sound and OSystem for this.
break;
case 0xFD:
// TODO: Pause audio track. We'll have to extend Sound and OSystem for this.
break;
case 0xFE:
result = _sound->getCurrentCDSound();
break;
case 0xFF:
// TODO: Might return current CD volume in FM Towns Loom. See also bug #805691.
break;
default:
// TODO: return track length in seconds. We'll have to extend Sound and OSystem for this.
// To check scummvm returns the right track length you
// can look at the global script #9 (0x888A in 49.LFL).
break;
}
debug(4,"o5_startMusic(%d)", b);
setResult(result);
} else {
_sound->addSoundToQueue(getVarOrDirectByte(PARAM_1));
}
}
void ScummEngine_v5::o5_startSound() {
const byte *oldaddr = _scriptPointer - 1;
int sound = getVarOrDirectByte(PARAM_1);
// WORKAROUND: In the scene where Largo is talking to Mad Marty, the
// Woodtick music often resumes before Largo's theme has finished. As
// far as I can tell, this is a script bug.
if (_gameId == GID_MONKEY2 && sound == 110 && _sound->isSoundRunning(151)) {
warning("Delaying Woodtick music until Largo's theme has finished");
_scriptPointer = oldaddr;
o5_breakHere();
return;
}
VAR(VAR_MUSIC_TIMER) = 0;
_sound->addSoundToQueue(sound);
}
void ScummEngine_v5::o5_stopMusic() {
_sound->stopAllSounds();
}
void ScummEngine_v5::o5_stopSound() {
_sound->stopSound(getVarOrDirectByte(PARAM_1));
}
void ScummEngine_v5::o5_isSoundRunning() {
int snd;
getResultPos();
snd = getVarOrDirectByte(PARAM_1);
if (snd)
snd = _sound->isSoundRunning(snd);
setResult(snd);
}
void ScummEngine_v5::o5_soundKludge() {
int items[16];
if (_features & GF_SMALL_HEADER) { // Is WaitForSentence in SCUMM V3
if (_sentenceNum) {
if (_sentence[_sentenceNum - 1].freezeCount && !isScriptInUse(VAR(VAR_SENTENCE_SCRIPT)))
return;
} else if (!isScriptInUse(VAR(VAR_SENTENCE_SCRIPT)))
return;
_scriptPointer--;
o5_breakHere();
return;
}
int num = getWordVararg(items);
_sound->soundKludge(items, num);
}
void ScummEngine_v5::o5_startObject() {
int obj, script;
int data[16];
obj = getVarOrDirectWord(PARAM_1);
script = getVarOrDirectByte(PARAM_2);
getWordVararg(data);
runObjectScript(obj, script, 0, 0, data);
}
void ScummEngine_v5::o5_startScript() {
int op, script;
int data[16];
op = _opcode;
script = getVarOrDirectByte(PARAM_1);
getWordVararg(data);
runScript(script, (op & 0x20) != 0, (op & 0x40) != 0, data);
}
void ScummEngine_v5::o5_stopObjectCode() {
stopObjectCode();
}
void ScummEngine_v5::o5_stopObjectScript() {
stopObjectScript(getVarOrDirectWord(PARAM_1));
}
void ScummEngine_v5::o5_stopScript() {
int script;
script = getVarOrDirectByte(PARAM_1);
if (!script)
stopObjectCode();
else
stopScript(script);
}
void ScummEngine_v5::o5_stringOps() {
int a, b, c, i;
byte *ptr;
_opcode = fetchScriptByte();
switch (_opcode & 0x1F) {
case 1: /* loadstring */
loadPtrToResource(rtString, getVarOrDirectByte(PARAM_1), NULL);
break;
case 2: /* copystring */
a = getVarOrDirectByte(PARAM_1);
b = getVarOrDirectByte(PARAM_2);
nukeResource(rtString, a);
ptr = getResourceAddress(rtString, b);
if (ptr)
loadPtrToResource(rtString, a, ptr);
break;
case 3: /* set string char */
a = getVarOrDirectByte(PARAM_1);
b = getVarOrDirectByte(PARAM_2);
c = getVarOrDirectByte(PARAM_3);
ptr = getResourceAddress(rtString, a);
if (_gameId != GID_LOOM256) { /* FIXME - LOOM256 */
if (ptr == NULL)
error("String %d does not exist", a);
ptr[b] = c;
}
break;
case 4: /* get string char */
getResultPos();
a = getVarOrDirectByte(PARAM_1);
b = getVarOrDirectByte(PARAM_2);
ptr = getResourceAddress(rtString, a);
if (ptr == NULL)
error("String %d does not exist", a);
setResult(ptr[b]);
break;
case 5: /* create empty string */
a = getVarOrDirectByte(PARAM_1);
b = getVarOrDirectByte(PARAM_2);
nukeResource(rtString, a);
if (b) {
ptr = createResource(rtString, a, b);
if (ptr) {
for (i = 0; i < b; i++)
ptr[i] = 0;
}
}
break;
}
}
void ScummEngine_v5::o5_subtract() {
int a;
getResultPos();
a = getVarOrDirectWord(PARAM_1);
setResult(readVar(_resultVarNumber) - a);
}
void ScummEngine_v5::o5_verbOps() {
int verb, slot;
VerbSlot *vs;
int a, b;
byte *ptr;
verb = getVarOrDirectByte(PARAM_1);
slot = getVerbSlot(verb, 0);
checkRange(_numVerbs - 1, 0, slot, "Illegal new verb slot %d");
vs = &_verbs[slot];
vs->verbid = verb;
while ((_opcode = fetchScriptByte()) != 0xFF) {
switch (_opcode & 0x1F) {
case 1: // SO_VERB_IMAGE
a = getVarOrDirectWord(PARAM_1);
if (slot) {
setVerbObject(_roomResource, a, slot);
vs->type = kImageVerbType;
}
break;
case 2: // SO_VERB_NAME
loadPtrToResource(rtVerb, slot, NULL);
if (slot == 0)
nukeResource(rtVerb, slot);
vs->type = kTextVerbType;
vs->imgindex = 0;
break;
case 3: // SO_VERB_COLOR
vs->color = getVarOrDirectByte(PARAM_1);
break;
case 4: // SO_VERB_HICOLOR
vs->hicolor = getVarOrDirectByte(PARAM_1);
break;
case 5: // SO_VERB_AT
vs->curRect.left = getVarOrDirectWord(PARAM_1);
vs->curRect.top = getVarOrDirectWord(PARAM_2);
// Macintosh verison of indy3ega used different interface, so adjust values.
if ((_features & GF_MACINTOSH) && (_gameId == GID_INDY3)) {
if ((verb > 0) && (verb < 14) || (verb > 31) && (verb < 35)) {
switch (verb) {
case 1:
case 2:
case 9:
vs->curRect.left += 16;
break;
case 10:
case 11:
case 12:
vs->curRect.left += 36;
break;
case 4:
case 5:
case 8:
vs->curRect.left += 60;
break;
case 13:
case 32:
case 33:
case 34:
vs->curRect.left += 90;
break;
}
}
} else if (_gameId == GID_LOOM256) {
// FIXME: hack loom notes into right spot
if ((verb >= 90) && (verb <= 97)) { // Notes
switch (verb) {
case 90:
case 91:
vs->curRect.top -= 7;
break;
case 92:
vs->curRect.top -= 6;
break;
case 93:
vs->curRect.top -= 4;
break;
case 94:
vs->curRect.top -= 3;
break;
case 95:
vs->curRect.top -= 1;
break;
case 97:
vs->curRect.top -= 5;
}
}
}
break;
case 6: // SO_VERB_ON
vs->curmode = 1;
break;
case 7: // SO_VERB_OFF
vs->curmode = 0;
break;
case 8: // SO_VERB_DELETE
killVerb(slot);
break;
case 9: // SO_VERB_NEW
slot = getVerbSlot(verb, 0);
if (slot == 0) {
for (slot = 1; slot < _numVerbs; slot++) {
if (_verbs[slot].verbid == 0)
break;
}
if (slot == _numVerbs)
error("Too many verbs");
}
vs = &_verbs[slot];
vs->verbid = verb;
vs->color = 2;
vs->hicolor = (_version == 3) ? 14 : 0;
vs->dimcolor = 8;
vs->type = kTextVerbType;
vs->charset_nr = _string[0]._default.charset;
vs->curmode = 0;
vs->saveid = 0;
vs->key = 0;
vs->center = 0;
vs->imgindex = 0;
break;
case 16: // SO_VERB_DIMCOLOR
vs->dimcolor = getVarOrDirectByte(PARAM_1);
break;
case 17: // SO_VERB_DIM
vs->curmode = 2;
break;
case 18: // SO_VERB_KEY
vs->key = getVarOrDirectByte(PARAM_1);
break;
case 19: // SO_VERB_CENTER
vs->center = 1;
break;
case 20: // SO_VERB_NAME_STR
ptr = getResourceAddress(rtString, getVarOrDirectWord(PARAM_1));
if (!ptr)
nukeResource(rtVerb, slot);
else {
loadPtrToResource(rtVerb, slot, ptr);
}
if (slot == 0)
nukeResource(rtVerb, slot);
vs->type = kTextVerbType;
vs->imgindex = 0;
break;
case 22: /* assign object */
a = getVarOrDirectWord(PARAM_1);
b = getVarOrDirectByte(PARAM_2);
if (slot && vs->imgindex != a) {
setVerbObject(b, a, slot);
vs->type = kImageVerbType;
vs->imgindex = a;
}
break;
case 23: /* set back color */
vs->bkcolor = getVarOrDirectByte(PARAM_1);
break;
default:
error("o5_verbOps: unknown subopcode %d", _opcode & 0x1F);
}
}
// Force redraw of the modified verb slot
drawVerb(slot, 0);
verbMouseOver(0);
}
void ScummEngine_v5::o5_wait() {
const byte *oldaddr = _scriptPointer - 1;
if ((_gameId == GID_INDY3) && !(_features & GF_MACINTOSH)) {
_opcode = 2;
} else
_opcode = fetchScriptByte();
switch (_opcode & 0x1F) {
case 1: // SO_WAIT_FOR_ACTOR
{
Actor *a = derefActorSafe(getVarOrDirectByte(PARAM_1), "o5_wait");
if (a && a->isInCurrentRoom() && a->moving)
break;
return;
}
case 2: // SO_WAIT_FOR_MESSAGE
if (VAR(VAR_HAVE_MSG))
break;
return;
case 3: // SO_WAIT_FOR_CAMERA
if (camera._cur.x / 8 != camera._dest.x / 8)
break;
return;
case 4: // SO_WAIT_FOR_SENTENCE
if (_sentenceNum) {
if (_sentence[_sentenceNum - 1].freezeCount && !isScriptInUse(VAR(VAR_SENTENCE_SCRIPT)))
return;
break;
}
if (!isScriptInUse(VAR(VAR_SENTENCE_SCRIPT)))
return;
break;
default:
error("o5_wait: unknown subopcode %d", _opcode & 0x1F);
return;
}
_scriptPointer = oldaddr;
o5_breakHere();
}
void ScummEngine_v5::o5_walkActorTo() {
int x, y;
Actor *a;
a = derefActor(getVarOrDirectByte(PARAM_1), "o5_walkActorTo");
x = getVarOrDirectWord(PARAM_2);
y = getVarOrDirectWord(PARAM_3);
a->startWalkActor(x, y, -1);
}
void ScummEngine_v5::o5_walkActorToActor() {
int x, y;
Actor *a, *a2;
int nr = getVarOrDirectByte(PARAM_1);
int nr2 = getVarOrDirectByte(PARAM_2);
int dist = fetchScriptByte();
if (nr == 106 && _gameId == GID_INDY4) {
warning("Bypassing Indy4 bug");
return;
}
if (_gameId == GID_LOOM256 && nr == 1 && nr2 == 0 &&
dist == 255 && vm.slot[_currentScript].number == 98) {
// WORKAROUND bug #743615: LoomCD script 98 contains this:
// walkActorToActor(1,0,255)
// Once again this is either a script bug, or there is some hidden
// or unknown meaning to this odd walk request...
return;
}
if (_gameId == GID_INDY4 && nr == 1 && nr2 == 106 &&
dist == 255 && vm.slot[_currentScript].number == 210) {
// WORKAROUND bug: Work around an invalid actor bug when using the
// camel in Fate of Atlantis, the "wits" path. The room-65-210 script
// contains this:
// walkActorToActor(1,106,255)
// Once again this is either a script bug, or there is some hidden
// or unknown meaning to this odd walk request...
return;
}
a = derefActor(nr, "o5_walkActorToActor");
if (!a->isInCurrentRoom())
return;
a2 = derefActor(nr2, "o5_walkActorToActor(2)");
if (!a2->isInCurrentRoom())
return;
if (_version <= 2)
dist *= 8;
else if (dist == 0xFF) {
dist = a->scalex * a->width / 0xFF;
dist += (a2->scalex * a2->width / 0xFF) / 2;
}
x = a2->_pos.x;
y = a2->_pos.y;
if (x < a->_pos.x)
x += dist;
else
x -= dist;
if (_version <= 3) {
AdjustBoxResult abr = a->adjustXYToBeInBox(x, y);
x = abr.x;
y = abr.y;
}
a->startWalkActor(x, y, -1);
}
void ScummEngine_v5::o5_walkActorToObject() {
int obj;
Actor *a;
a = derefActor(getVarOrDirectByte(PARAM_1), "o5_walkActorToObject");
obj = getVarOrDirectWord(PARAM_2);
if (whereIsObject(obj) != WIO_NOT_FOUND) {
int x, y, dir;
getObjectXYPos(obj, x, y, dir);
a->startWalkActor(x, y, dir);
}
}
int ScummEngine_v5::getWordVararg(int *ptr) {
int i;
for (i = 0; i < 16; i++)
ptr[i] = 0;
i = 0;
while ((_opcode = fetchScriptByte()) != 0xFF) {
ptr[i++] = getVarOrDirectWord(PARAM_1);
}
return i;
}
void ScummEngine_v5::decodeParseString() {
int textSlot;
const byte *msg;
switch (_actorToPrintStrFor) {
case 252:
textSlot = 3;
break;
case 253:
textSlot = 2;
break;
case 254:
textSlot = 1;
break;
default:
textSlot = 0;
}
_string[textSlot].loadDefault();
while ((_opcode = fetchScriptByte()) != 0xFF) {
switch (_opcode & 0xF) {
case 0: // SO_AT
_string[textSlot].xpos = getVarOrDirectWord(PARAM_1);
_string[textSlot].ypos = getVarOrDirectWord(PARAM_2);
_string[textSlot].overhead = false;
break;
case 1: // SO_COLOR
_string[textSlot].color = getVarOrDirectByte(PARAM_1);
break;
case 2: // SO_CLIPPED
_string[textSlot].right = getVarOrDirectWord(PARAM_1);
break;
case 3: // SO_ERASE
{
int a = getVarOrDirectWord(PARAM_1);
int b = getVarOrDirectWord(PARAM_2);
warning("ScummEngine_v5::decodeParseString: Unhandled case 3: %d, %d", a, b);
}
break;
case 4: // SO_CENTER
_string[textSlot].center = true;
_string[textSlot].overhead = false;
break;
case 6: // SO_LEFT
if (_version == 3) {
// FIXME: this value seems to be some kind of override
// for text spacing?!?
/* int a = */ getVarOrDirectWord(PARAM_1);
} else {
_string[textSlot].center = false;
_string[textSlot].overhead = false;
}
break;
case 7: // SO_OVERHEAD
_string[textSlot].overhead = true;
break;
case 8:{ // SO_SAY_VOICE
int offset = (uint16)getVarOrDirectWord(PARAM_1);
int delay = (uint16)getVarOrDirectWord(PARAM_2);
if (_gameId == GID_LOOM256) {
if (offset == 0 && delay == 0) {
VAR(VAR_MUSIC_TIMER) = 0;
_sound->stopCD();
} else {
// Loom specified the offset from the start of the CD;
// thus we have to subtract the length of the first track
// (22500 frames) plus the 2 second = 150 frame leadin.
// I.e. in total 22650 frames.
offset = (int)(offset * 7.5 - 22500 - 2*75);
// Slightly increase the delay (5 frames = 1/25 of a second).
// This noticably improves the experience in Loom CD.
delay = (int)(delay * 7.5 + 5);
_sound->playCDTrack(1, 0, offset, delay);
}
} else {
warning("ScummEngine_v5::decodeParseString: Unhandled case 8");
}
}
break;
case 15: // SO_TEXTSTRING
msg = _scriptPointer;
_scriptPointer += resStrLen(_scriptPointer) + 1;
switch (textSlot) {
case 0:
actorTalk(msg);
break;
case 1:
drawString(1, msg);
break;
case 2:
unkMessage1(msg);
break;
case 3:
unkMessage2(msg);
break;
}
// In SCUMM V1-V3, there were no 'default' values for the text slot
// values. Hence to achieve correct behaviour, we have to keep the
// 'default' values in sync with the active values.
//
// Note: This is needed for Indy3 (Grail Diary). It's also needed
// for Loom, or the lines Bobbin speaks during the intro are put
// at position 0,0.
//
// Note: We can't use saveDefault() here because we only want to
// save the position and color. In particular, we do not want to
// save the 'center' flag. See bug #933168.
if (_version <= 3) {
_string[textSlot]._default.xpos = _string[textSlot].xpos;
_string[textSlot]._default.ypos = _string[textSlot].ypos;
_string[textSlot]._default.color = _string[textSlot].color;
}
return;
default:
warning("ScummEngine_v5::decodeParseString: Unhandled case %d", _opcode & 0xF);
return;
}
}
_string[textSlot].saveDefault();
}
void ScummEngine_v5::o5_oldRoomEffect() {
int a;
_opcode = fetchScriptByte();
if ((_opcode & 0x1F) == 3) {
a = getVarOrDirectWord(PARAM_1);
#if 1
if (_features & GF_FMTOWNS) {
// FIXME / TODO: OK the first thing to note is: at least in Zak256,
// maybe also in other games, this opcode does a bit more. I added
// some stubs here, but somebody with a full IDA or more knowledge
// about this will have to fill in the gaps. At least now we know
// that something is missing here :-)
if (a == 4) {
printf("o5_oldRoomEffect ODDBALL: _opcode = 0x%x, a = 0x%x\n", _opcode, a);
// No idea what byte_2FCCF is, but it's a globale boolean flag.
// I only add it here as a temporary hack to make the pseudo code compile.
// Maybe it is just there as a reentry protection guard, given
// how it is used? It might also correspond to _screenEffectFlag.
int byte_2FCCF = 0;
// For now, we force a redraw of the screen background. This
// Makes the Zak end credits work more or less correctly.
VirtScreen *vs = &virtscr[0];
restoreBG(Common::Rect(0,vs->topline, vs->width, vs->topline + vs->height));
virtscr[0].setDirtyRange(0, virtscr[0].height);
updateDirtyScreen(kMainVirtScreen);
if (byte_2FCCF) {
// Here now "sub_1C44" is called, which sets byte_2FCCF to 0 then
// calls yet another sub (which also reads byte_2FCCF):
byte_2FCCF = 0;
//call sub_0BB3
// Now sub_085C is called. This is quite simply: it sets
// 0xF000 bytes. starting at 0x40000 to 0. No idea what that
// buffer is, maybe a screen buffer, though. Note that
// 0xF000 = 320*192.
// Maybe this is also the charset mask being cleaned?
// call sub_085C
// And then sub_1C54 is called, which is almost identical to
// the above sub_1C44, only it sets byte_2FCCF to 1:
byte_2FCCF = 1;
// call sub_0BB3
} else {
// Here only sub_085C is called (see comment above)
// call sub_085C
}
return;
}
#endif
}
if (a) {
_switchRoomEffect = (byte)(a & 0xFF);
_switchRoomEffect2 = (byte)(a >> 8);
} else {
fadeIn(_newEffect);
}
}
}
void ScummEngine_v5::o5_pickupObjectOld() {
int obj = getVarOrDirectWord(PARAM_1);
if (obj < 1) {
error("pickupObjectOld received invalid index %d (script %d)", obj, vm.slot[_currentScript].number);
}
if (getObjectIndex(obj) == -1)
return;
if (whereIsObject(obj) == WIO_INVENTORY) /* Don't take an */
return; /* object twice */
// warning("adding %d from %d to inventoryOld", obj, _currentRoom);
addObjectToInventory(obj, _roomResource);
markObjectRectAsDirty(obj);
putOwner(obj, VAR(VAR_EGO));
putClass(obj, kObjectClassUntouchable, 1);
putState(obj, 1);
clearDrawObjectQueue();
runInventoryScript(1);
}
#undef PARAM_1
#undef PARAM_2
#undef PARAM_3
} // End of namespace Scumm
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