/
script_v2.cpp
1764 lines (1528 loc) · 46.4 KB
/
script_v2.cpp
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/* 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 3 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, see <http://www.gnu.org/licenses/>.
*
*/
#include "scumm/actor.h"
#include "scumm/charset.h"
#include "scumm/object.h"
#include "scumm/resource.h"
#include "scumm/scumm_v2.h"
#include "scumm/sound.h"
#include "scumm/util.h"
#include "scumm/verbs.h"
namespace Scumm {
// Helper functions for ManiacMansion workarounds
#define MM_SCRIPT(script) (script + (_game.version == 0 ? 0 : 5))
#define MM_VALUE(v0,v1) (_game.version == 0 ? v0 : v1)
#define OPCODE(i, x) _opcodes[i]._OPCODE(ScummEngine_v2, x)
void ScummEngine_v2::setupOpcodes() {
/* 00 */
OPCODE(0x00, o5_stopObjectCode);
OPCODE(0x01, o2_putActor);
OPCODE(0x02, o5_startMusic);
OPCODE(0x03, o5_getActorRoom);
/* 04 */
OPCODE(0x04, o2_isGreaterEqual);
OPCODE(0x05, o2_drawObject);
OPCODE(0x06, o2_getActorElevation);
OPCODE(0x07, o2_setState08);
/* 08 */
OPCODE(0x08, o5_isNotEqual);
OPCODE(0x09, o5_faceActor);
OPCODE(0x0a, o2_assignVarWordIndirect);
OPCODE(0x0b, o2_setObjPreposition);
/* 0C */
OPCODE(0x0c, o2_resourceRoutines);
OPCODE(0x0d, o5_walkActorToActor);
OPCODE(0x0e, o2_putActorAtObject);
OPCODE(0x0f, o2_ifNotState08);
/* 10 */
OPCODE(0x10, o5_getObjectOwner);
OPCODE(0x11, o5_animateActor);
OPCODE(0x12, o2_panCameraTo);
OPCODE(0x13, o2_actorOps);
/* 14 */
OPCODE(0x14, o5_print);
OPCODE(0x15, o2_actorFromPos);
OPCODE(0x16, o5_getRandomNr);
OPCODE(0x17, o2_clearState02);
/* 18 */
OPCODE(0x18, o5_jumpRelative);
OPCODE(0x19, o2_doSentence);
OPCODE(0x1a, o5_move);
OPCODE(0x1b, o2_setBitVar);
/* 1C */
OPCODE(0x1c, o5_startSound);
OPCODE(0x1d, o2_ifClassOfIs);
OPCODE(0x1e, o2_walkActorTo);
OPCODE(0x1f, o2_ifState02);
/* 20 */
OPCODE(0x20, o5_stopMusic);
OPCODE(0x21, o2_putActor);
OPCODE(0x22, o4_saveLoadGame);
OPCODE(0x23, o2_getActorY);
/* 24 */
OPCODE(0x24, o2_loadRoomWithEgo);
OPCODE(0x25, o2_drawObject);
OPCODE(0x26, o5_setVarRange);
OPCODE(0x27, o2_setState04);
/* 28 */
OPCODE(0x28, o5_equalZero);
OPCODE(0x29, o2_setOwnerOf);
OPCODE(0x2a, o2_addIndirect);
OPCODE(0x2b, o5_delayVariable);
/* 2C */
OPCODE(0x2c, o2_assignVarByte);
OPCODE(0x2d, o2_putActorInRoom);
OPCODE(0x2e, o2_delay);
OPCODE(0x2f, o2_ifNotState04);
/* 30 */
OPCODE(0x30, o3_setBoxFlags);
OPCODE(0x31, o2_getBitVar);
OPCODE(0x32, o2_setCameraAt);
OPCODE(0x33, o2_roomOps);
/* 34 */
OPCODE(0x34, o5_getDist);
OPCODE(0x35, o2_findObject);
OPCODE(0x36, o2_walkActorToObject);
OPCODE(0x37, o2_setState01);
/* 38 */
OPCODE(0x38, o2_isLessEqual);
OPCODE(0x39, o2_doSentence);
OPCODE(0x3a, o2_subtract);
OPCODE(0x3b, o2_waitForActor);
/* 3C */
OPCODE(0x3c, o5_stopSound);
OPCODE(0x3d, o2_setActorElevation);
OPCODE(0x3e, o2_walkActorTo);
OPCODE(0x3f, o2_ifNotState01);
/* 40 */
OPCODE(0x40, o2_cutscene);
OPCODE(0x41, o2_putActor);
OPCODE(0x42, o2_startScript);
OPCODE(0x43, o2_getActorX);
/* 44 */
OPCODE(0x44, o2_isLess);
OPCODE(0x45, o2_drawObject);
OPCODE(0x46, o5_increment);
OPCODE(0x47, o2_clearState08);
/* 48 */
OPCODE(0x48, o5_isEqual);
OPCODE(0x49, o5_faceActor);
OPCODE(0x4a, o2_chainScript);
OPCODE(0x4b, o2_setObjPreposition);
/* 4C */
OPCODE(0x4c, o2_waitForSentence);
OPCODE(0x4d, o5_walkActorToActor);
OPCODE(0x4e, o2_putActorAtObject);
OPCODE(0x4f, o2_ifState08);
/* 50 */
OPCODE(0x50, o2_pickupObject);
OPCODE(0x51, o5_animateActor);
OPCODE(0x52, o5_actorFollowCamera);
OPCODE(0x53, o2_actorOps);
/* 54 */
OPCODE(0x54, o5_setObjectName);
OPCODE(0x55, o2_actorFromPos);
OPCODE(0x56, o5_getActorMoving);
OPCODE(0x57, o2_setState02);
/* 58 */
OPCODE(0x58, o2_beginOverride);
OPCODE(0x59, o2_doSentence);
OPCODE(0x5a, o2_add);
OPCODE(0x5b, o2_setBitVar);
/* 5C */
OPCODE(0x5c, o2_dummy);
OPCODE(0x5d, o2_ifClassOfIs);
OPCODE(0x5e, o2_walkActorTo);
OPCODE(0x5f, o2_ifNotState02);
/* 60 */
OPCODE(0x60, o2_cursorCommand);
OPCODE(0x61, o2_putActor);
OPCODE(0x62, o2_stopScript);
OPCODE(0x63, o5_getActorFacing);
/* 64 */
OPCODE(0x64, o2_loadRoomWithEgo);
OPCODE(0x65, o2_drawObject);
OPCODE(0x66, o5_getClosestObjActor);
OPCODE(0x67, o2_clearState04);
/* 68 */
OPCODE(0x68, o5_isScriptRunning);
OPCODE(0x69, o2_setOwnerOf);
OPCODE(0x6a, o2_subIndirect);
OPCODE(0x6b, o2_dummy);
/* 6C */
OPCODE(0x6c, o2_getObjPreposition);
OPCODE(0x6d, o2_putActorInRoom);
OPCODE(0x6e, o2_dummy);
OPCODE(0x6f, o2_ifState04);
/* 70 */
OPCODE(0x70, o2_lights);
OPCODE(0x71, o5_getActorCostume);
OPCODE(0x72, o5_loadRoom);
OPCODE(0x73, o2_roomOps);
/* 74 */
OPCODE(0x74, o5_getDist);
OPCODE(0x75, o2_findObject);
OPCODE(0x76, o2_walkActorToObject);
OPCODE(0x77, o2_clearState01);
/* 78 */
OPCODE(0x78, o2_isGreater);
OPCODE(0x79, o2_doSentence);
OPCODE(0x7a, o2_verbOps);
OPCODE(0x7b, o2_getActorWalkBox);
/* 7C */
OPCODE(0x7c, o5_isSoundRunning);
OPCODE(0x7d, o2_setActorElevation);
OPCODE(0x7e, o2_walkActorTo);
OPCODE(0x7f, o2_ifState01);
/* 80 */
OPCODE(0x80, o5_breakHere);
OPCODE(0x81, o2_putActor);
OPCODE(0x82, o5_startMusic);
OPCODE(0x83, o5_getActorRoom);
/* 84 */
OPCODE(0x84, o2_isGreaterEqual);
OPCODE(0x85, o2_drawObject);
OPCODE(0x86, o2_getActorElevation);
OPCODE(0x87, o2_setState08);
/* 88 */
OPCODE(0x88, o5_isNotEqual);
OPCODE(0x89, o5_faceActor);
OPCODE(0x8a, o2_assignVarWordIndirect);
OPCODE(0x8b, o2_setObjPreposition);
/* 8C */
OPCODE(0x8c, o2_resourceRoutines);
OPCODE(0x8d, o5_walkActorToActor);
OPCODE(0x8e, o2_putActorAtObject);
OPCODE(0x8f, o2_ifNotState08);
/* 90 */
OPCODE(0x90, o5_getObjectOwner);
OPCODE(0x91, o5_animateActor);
OPCODE(0x92, o2_panCameraTo);
OPCODE(0x93, o2_actorOps);
/* 94 */
OPCODE(0x94, o5_print);
OPCODE(0x95, o2_actorFromPos);
OPCODE(0x96, o5_getRandomNr);
OPCODE(0x97, o2_clearState02);
/* 98 */
OPCODE(0x98, o2_restart);
OPCODE(0x99, o2_doSentence);
OPCODE(0x9a, o5_move);
OPCODE(0x9b, o2_setBitVar);
/* 9C */
OPCODE(0x9c, o5_startSound);
OPCODE(0x9d, o2_ifClassOfIs);
OPCODE(0x9e, o2_walkActorTo);
OPCODE(0x9f, o2_ifState02);
/* A0 */
OPCODE(0xa0, o5_stopObjectCode);
OPCODE(0xa1, o2_putActor);
OPCODE(0xa2, o4_saveLoadGame);
OPCODE(0xa3, o2_getActorY);
/* A4 */
OPCODE(0xa4, o2_loadRoomWithEgo);
OPCODE(0xa5, o2_drawObject);
OPCODE(0xa6, o5_setVarRange);
OPCODE(0xa7, o2_setState04);
/* A8 */
OPCODE(0xa8, o5_notEqualZero);
OPCODE(0xa9, o2_setOwnerOf);
OPCODE(0xaa, o2_addIndirect);
OPCODE(0xab, o2_switchCostumeSet);
/* AC */
OPCODE(0xac, o2_drawSentence);
OPCODE(0xad, o2_putActorInRoom);
OPCODE(0xae, o2_waitForMessage);
OPCODE(0xaf, o2_ifNotState04);
/* B0 */
OPCODE(0xb0, o3_setBoxFlags);
OPCODE(0xb1, o2_getBitVar);
OPCODE(0xb2, o2_setCameraAt);
OPCODE(0xb3, o2_roomOps);
/* B4 */
OPCODE(0xb4, o5_getDist);
OPCODE(0xb5, o2_findObject);
OPCODE(0xb6, o2_walkActorToObject);
OPCODE(0xb7, o2_setState01);
/* B8 */
OPCODE(0xb8, o2_isLessEqual);
OPCODE(0xb9, o2_doSentence);
OPCODE(0xba, o2_subtract);
OPCODE(0xbb, o2_waitForActor);
/* BC */
OPCODE(0xbc, o5_stopSound);
OPCODE(0xbd, o2_setActorElevation);
OPCODE(0xbe, o2_walkActorTo);
OPCODE(0xbf, o2_ifNotState01);
/* C0 */
OPCODE(0xc0, o2_endCutscene);
OPCODE(0xc1, o2_putActor);
OPCODE(0xc2, o2_startScript);
OPCODE(0xc3, o2_getActorX);
/* C4 */
OPCODE(0xc4, o2_isLess);
OPCODE(0xc5, o2_drawObject);
OPCODE(0xc6, o5_decrement);
OPCODE(0xc7, o2_clearState08);
/* C8 */
OPCODE(0xc8, o5_isEqual);
OPCODE(0xc9, o5_faceActor);
OPCODE(0xca, o2_chainScript);
OPCODE(0xcb, o2_setObjPreposition);
/* CC */
OPCODE(0xcc, o5_pseudoRoom);
OPCODE(0xcd, o5_walkActorToActor);
OPCODE(0xce, o2_putActorAtObject);
OPCODE(0xcf, o2_ifState08);
/* D0 */
OPCODE(0xd0, o2_pickupObject);
OPCODE(0xd1, o5_animateActor);
OPCODE(0xd2, o5_actorFollowCamera);
OPCODE(0xd3, o2_actorOps);
/* D4 */
OPCODE(0xd4, o5_setObjectName);
OPCODE(0xd5, o2_actorFromPos);
OPCODE(0xd6, o5_getActorMoving);
OPCODE(0xd7, o2_setState02);
/* D8 */
OPCODE(0xd8, o5_printEgo);
OPCODE(0xd9, o2_doSentence);
OPCODE(0xda, o2_add);
OPCODE(0xdb, o2_setBitVar);
/* DC */
OPCODE(0xdc, o2_dummy);
OPCODE(0xdd, o2_ifClassOfIs);
OPCODE(0xde, o2_walkActorTo);
OPCODE(0xdf, o2_ifNotState02);
/* E0 */
OPCODE(0xe0, o2_cursorCommand);
OPCODE(0xe1, o2_putActor);
OPCODE(0xe2, o2_stopScript);
OPCODE(0xe3, o5_getActorFacing);
/* E4 */
OPCODE(0xe4, o2_loadRoomWithEgo);
OPCODE(0xe5, o2_drawObject);
OPCODE(0xe6, o5_getClosestObjActor);
OPCODE(0xe7, o2_clearState04);
/* E8 */
OPCODE(0xe8, o5_isScriptRunning);
OPCODE(0xe9, o2_setOwnerOf);
OPCODE(0xea, o2_subIndirect);
OPCODE(0xeb, o2_dummy);
/* EC */
OPCODE(0xec, o2_getObjPreposition);
OPCODE(0xed, o2_putActorInRoom);
OPCODE(0xee, o2_dummy);
OPCODE(0xef, o2_ifState04);
/* F0 */
OPCODE(0xf0, o2_lights);
OPCODE(0xf1, o5_getActorCostume);
OPCODE(0xf2, o5_loadRoom);
OPCODE(0xf3, o2_roomOps);
/* F4 */
OPCODE(0xf4, o5_getDist);
OPCODE(0xf5, o2_findObject);
OPCODE(0xf6, o2_walkActorToObject);
OPCODE(0xf7, o2_clearState01);
/* F8 */
OPCODE(0xf8, o2_isGreater);
OPCODE(0xf9, o2_doSentence);
OPCODE(0xfa, o2_verbOps);
OPCODE(0xfb, o2_getActorWalkBox);
/* FC */
OPCODE(0xfc, o5_isSoundRunning);
OPCODE(0xfd, o2_setActorElevation);
OPCODE(0xfe, o2_walkActorTo);
OPCODE(0xff, o2_ifState01);
}
#define SENTENCE_SCRIPT 2
int ScummEngine_v2::getVar() {
return readVar(fetchScriptByte());
}
void ScummEngine_v2::decodeParseString() {
byte buffer[512];
byte *ptr = buffer;
byte c;
bool insertSpace = false;
while ((c = fetchScriptByte())) {
insertSpace = (c & 0x80) != 0;
c &= 0x7f;
if (c < 8) {
// Special codes as seen in CHARSET_1 etc. My guess is that they
// have a similar function as the corresponding embedded stuff in modern
// games. Hence for now we convert them to the modern format.
// This might allow us to reuse the existing code.
*ptr++ = 0xFF;
*ptr++ = c;
if (c > 3) {
*ptr++ = fetchScriptByte();
*ptr++ = 0;
}
} else
*ptr++ = c;
if (insertSpace)
*ptr++ = ' ';
}
*ptr = 0;
// WORKAROUND bug #13473: in the French version of Maniac Mansion, the cutscene
// where Purple Tentacle is bullying Sandy hangs once Dr Fred is done talking,
// because his reaction line in shorter in this translation (which is unusual for
// French which tends to be more verbose) and the `unless (VAR_CHARCOUNT > 90)`
// loop in script #155 hasn't been ajusted for this shorter length.
//
// So we add some extra spaces at the end of the string if it's too short; this
// unblocks the cutscene and also lets Sandy react as intended.
//
// (Not using `_enableEnhancements` because some users could be really confused
// by the game hanging and they may not know about the Esc key.)
if (_game.id == GID_MANIAC && _game.platform != Common::kPlatformNES && _language == Common::FR_FRA && vm.slot[_currentScript].number == 155 && _roomResource == 31 && _actorToPrintStrFor == 9) {
while (ptr - buffer < 100) {
*ptr++ = ' ';
}
*ptr = 0;
}
int textSlot = 0;
_string[textSlot].xpos = 0;
_string[textSlot].ypos = 0;
_string[textSlot].right = _screenWidth - 1;
_string[textSlot].center = false;
_string[textSlot].overhead = false;
if (_game.id == GID_MANIAC && _actorToPrintStrFor == 0xFF) {
if (_game.version == 0) {
_string[textSlot].color = 14;
} else if (_game.features & GF_DEMO) {
_string[textSlot].color = (_game.version == 2) ? 15 : 1;
}
}
actorTalk(buffer);
}
int ScummEngine_v2::readVar(uint var) {
if (_game.version >= 1 && var >= 14 && var <= 16)
var = _scummVars[var];
assertRange(0, var, _numVariables - 1, "variable (reading)");
debugC(DEBUG_VARS, "readvar(%d) = %d", var, _scummVars[var]);
return _scummVars[var];
}
void ScummEngine_v2::writeVar(uint var, int value) {
assertRange(0, var, _numVariables - 1, "variable (writing)");
debugC(DEBUG_VARS, "writeVar(%d) = %d", var, value);
if (VAR_CUTSCENEEXIT_KEY != 0xFF && var == VAR_CUTSCENEEXIT_KEY) {
// Remap the cutscene exit key in earlier games
if (value == 4 || value == 13 || value == 64)
value = 27;
}
// WORKAROUND: According to the Maniac Mansion manual, you should be
// able to execute your command by clicking on the sentence line. But
// this does not work until later games. The main difference between
// the verb scripts (script 4) in Maniac Mansion and Zak McKracken is
// that Zak will set variable 34 when you click on the sentence line
// (as indicated by VAR_CLICK_AREA), and Maniac Mansion will not.
//
// When VAR_CLICK_AREA is 5, there is only one place where variable 34
// is initialized to 0, so that seems like a good place to inject our
// own check.
if (_game.id == GID_MANIAC && (_game.version == 1 || _game.version == 2)
&& _game.platform != Common::kPlatformNES
&& vm.slot[_currentScript].number == 4
&& VAR(VAR_CLICK_AREA) == kSentenceClickArea
&& var == 34 && value == 0 && _enableEnhancements) {
value = 1;
}
_scummVars[var] = value;
}
void ScummEngine_v2::getResultPosIndirect() {
_resultVarNumber = _scummVars[fetchScriptByte()];
}
void ScummEngine_v2::getResultPos() {
_resultVarNumber = fetchScriptByte();
}
int ScummEngine_v2::getActiveObject() {
return getVarOrDirectWord(PARAM_1);
}
void ScummEngine_v2::setStateCommon(byte type) {
int obj = getActiveObject();
putState(obj, getState(obj) | type);
}
void ScummEngine_v2::clearStateCommon(byte type) {
int obj = getActiveObject();
putState(obj, getState(obj) & ~type);
}
void ScummEngine_v2::ifStateCommon(byte type) {
int obj = getActiveObject();
jumpRelative((getState(obj) & type) != 0);
}
void ScummEngine_v2::ifNotStateCommon(byte type) {
int obj = getActiveObject();
jumpRelative((getState(obj) & type) == 0);
}
void ScummEngine_v2::o2_setState08() {
int obj = getActiveObject();
putState(obj, getState(obj) | kObjectState_08);
markObjectRectAsDirty(obj);
clearDrawObjectQueue();
}
void ScummEngine_v2::o2_clearState08() {
int obj = getActiveObject();
putState(obj, getState(obj) & ~kObjectState_08);
markObjectRectAsDirty(obj);
clearDrawObjectQueue();
}
void ScummEngine_v2::o2_setState04() {
setStateCommon(kObjectStateLocked);
}
void ScummEngine_v2::o2_clearState04() {
clearStateCommon(kObjectStateLocked);
}
void ScummEngine_v2::o2_setState02() {
setStateCommon(kObjectStateUntouchable);
}
void ScummEngine_v2::o2_clearState02() {
clearStateCommon(kObjectStateUntouchable);
}
void ScummEngine_v2::o2_setState01() {
setStateCommon(kObjectStatePickupable);
}
void ScummEngine_v2::o2_clearState01() {
clearStateCommon(kObjectStatePickupable);
}
void ScummEngine_v2::o2_assignVarWordIndirect() {
getResultPosIndirect();
setResult(getVarOrDirectWord(PARAM_1));
}
void ScummEngine_v2::o2_assignVarByte() {
getResultPos();
setResult(fetchScriptByte());
}
void ScummEngine_v2::o2_setObjPreposition() {
int obj = getVarOrDirectWord(PARAM_1);
int unk = fetchScriptByte();
if (_game.platform == Common::kPlatformNES)
return;
if (whereIsObject(obj) != WIO_NOT_FOUND) {
// FIXME: this might not work properly the moment we save and restore the game.
byte *ptr = getOBCDFromObject(obj) + 12;
*ptr &= 0x1F;
*ptr |= unk << 5;
}
}
void ScummEngine_v2::o2_getObjPreposition() {
getResultPos();
int obj = getVarOrDirectWord(PARAM_1);
if (whereIsObject(obj) != WIO_NOT_FOUND) {
byte *ptr = getOBCDFromObject(obj) + 12;
setResult(*ptr >> 5);
} else {
setResult(0xFF);
}
}
void ScummEngine_v2::o2_setBitVar() {
int var = fetchScriptWord();
byte a = getVarOrDirectByte(PARAM_1);
int bit_var = var + a;
int bit_offset = bit_var & 0x0f;
bit_var >>= 4;
if (getVarOrDirectByte(PARAM_2))
_scummVars[bit_var] |= (1 << bit_offset);
else
_scummVars[bit_var] &= ~(1 << bit_offset);
}
void ScummEngine_v2::o2_getBitVar() {
getResultPos();
int var = fetchScriptWord();
byte a = getVarOrDirectByte(PARAM_1);
int bit_var = var + a;
int bit_offset = bit_var & 0x0f;
bit_var >>= 4;
setResult((_scummVars[bit_var] & (1 << bit_offset)) ? 1 : 0);
}
void ScummEngine_v2::o2_ifState08() {
ifStateCommon(kObjectState_08);
}
void ScummEngine_v2::o2_ifNotState08() {
ifNotStateCommon(kObjectState_08);
}
void ScummEngine_v2::o2_ifState04() {
ifStateCommon(kObjectStateLocked);
}
void ScummEngine_v2::o2_ifNotState04() {
ifNotStateCommon(kObjectStateLocked);
}
void ScummEngine_v2::o2_ifState02() {
ifStateCommon(kObjectStateUntouchable);
}
void ScummEngine_v2::o2_ifNotState02() {
ifNotStateCommon(kObjectStateUntouchable);
}
void ScummEngine_v2::o2_ifState01() {
ifStateCommon(kObjectStatePickupable);
}
void ScummEngine_v2::o2_ifNotState01() {
ifNotStateCommon(kObjectStatePickupable);
}
void ScummEngine_v2::o2_addIndirect() {
int a;
getResultPosIndirect();
a = getVarOrDirectWord(PARAM_1);
_scummVars[_resultVarNumber] += a;
}
void ScummEngine_v2::o2_subIndirect() {
int a;
getResultPosIndirect();
a = getVarOrDirectWord(PARAM_1);
_scummVars[_resultVarNumber] -= a;
}
void ScummEngine_v2::o2_add() {
int a;
getResultPos();
a = getVarOrDirectWord(PARAM_1);
_scummVars[_resultVarNumber] += a;
}
void ScummEngine_v2::o2_subtract() {
int a;
getResultPos();
a = getVarOrDirectWord(PARAM_1);
_scummVars[_resultVarNumber] -= a;
}
void ScummEngine_v2::o2_waitForActor() {
Actor *a = derefActor(getVarOrDirectByte(PARAM_1), "o2_waitForActor");
if (a->_moving) {
_scriptPointer -= 2;
o5_breakHere();
}
}
void ScummEngine_v2::o2_waitForMessage() {
if (VAR(VAR_HAVE_MSG)) {
_scriptPointer--;
o5_breakHere();
}
}
void ScummEngine_v2::o2_waitForSentence() {
if (!_sentenceNum && !isScriptInUse(SENTENCE_SCRIPT))
return;
_scriptPointer--;
o5_breakHere();
}
void ScummEngine_v2::o2_actorOps() {
int act = getVarOrDirectByte(PARAM_1);
int arg = getVarOrDirectByte(PARAM_2);
Actor *a;
int i;
_opcode = fetchScriptByte();
if (act == 0 && _opcode == 5) {
// This case happens in the Zak/MM bootscripts, to set the default talk color (9).
_string[0].color = arg;
return;
}
a = derefActor(act, "actorOps");
switch (_opcode) {
case 1: // SO_SOUND
a->_sound[0] = arg;
break;
case 2: // SO_PALETTE
if (_game.version == 1)
i = act;
else
i = fetchScriptByte();
a->setPalette(i, arg);
break;
case 3: // SO_ACTOR_NAME
loadPtrToResource(rtActorName, a->_number, nullptr);
break;
case 4: // SO_COSTUME
a->setActorCostume(arg);
break;
case 5: // SO_TALK_COLOR
if (_game.id == GID_MANIAC && _game.version == 2 && (_game.features & GF_DEMO) && arg == 1)
a->_talkColor = 15;
else
a->_talkColor = arg;
break;
default:
error("o2_actorOps: opcode %d not yet supported", _opcode);
}
}
void ScummEngine_v2::o2_restart() {
restart();
}
void ScummEngine_v2::o2_drawObject() {
int obj, idx, i;
ObjectData *od;
uint16 x, y, w, h;
int xpos, ypos;
obj = getVarOrDirectWord(PARAM_1);
xpos = getVarOrDirectByte(PARAM_2);
ypos = getVarOrDirectByte(PARAM_3);
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;
while (i--) {
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, getState(_objs[i].obj_nr) & ~kObjectState_08);
}
putState(obj, getState(od->obj_nr) | kObjectState_08);
}
void ScummEngine_v2::o2_resourceRoutines() {
const ResType resTypes[] = {
rtInvalid,
rtInvalid,
rtCostume,
rtRoom,
rtInvalid,
rtScript,
rtSound
};
int resid = getVarOrDirectByte(PARAM_1);
int opcode = fetchScriptByte();
ResType type = rtInvalid;
if (0 <= (opcode >> 4) && (opcode >> 4) < (int)ARRAYSIZE(resTypes))
type = resTypes[opcode >> 4];
if ((opcode & 0x0f) == 0 || type == rtInvalid)
return;
// HACK V2 Maniac Mansion tries to load an invalid sound resource in demo script.
if (_game.id == GID_MANIAC && _game.version == 2 && vm.slot[_currentScript].number == 9 && type == rtSound && resid == 1)
return;
if ((opcode & 0x0f) == 1) {
ensureResourceLoaded(type, resid);
} else {
if (opcode & 1)
_res->lock(type, resid);
else
_res->unlock(type, resid);
}
}
void ScummEngine_v2::o2_verbOps() {
int verb = fetchScriptByte();
int slot, state;
switch (verb) {
case 0: // SO_DELETE_VERBS
slot = getVarOrDirectByte(PARAM_1) + 1;
assert(0 < slot && slot < _numVerbs);
killVerb(slot);
break;
case 0xFF: // Verb On/Off
verb = fetchScriptByte();
state = fetchScriptByte();
slot = getVerbSlot(verb, 0);
_verbs[slot].curmode = state;
break;
default: { // New Verb
int x = fetchScriptByte() * 8;
int y = fetchScriptByte() * 8;
slot = getVarOrDirectByte(PARAM_1) + 1;
int prep = fetchScriptByte(); // Only used in V1?
// V1 Maniac verbs are relative to the 'verb area' - under the sentence
if (_game.platform == Common::kPlatformNES)
x += 8;
else if ((_game.id == GID_MANIAC) && (_game.version == 1))
y += 8;
VerbSlot *vs;
assert(0 < slot && slot < _numVerbs);
vs = &_verbs[slot];
vs->verbid = verb;
if (_game.platform == Common::kPlatformNES) {
vs->color = 1;
vs->hicolor = 1;
vs->dimcolor = 1;
} else if (_game.version == 1) {
vs->color = (_game.id == GID_MANIAC && (_game.features & GF_DEMO)) ? 16 : 5;
vs->hicolor = 7;
vs->dimcolor = 11;
} else {
vs->color = (_game.id == GID_MANIAC && (_game.features & GF_DEMO)) ? 13 : 2;
vs->hicolor = 14;
vs->dimcolor = 8;
}
vs->type = kTextVerbType;
vs->charset_nr = _string[0]._default.charset;
vs->curmode = 1;
vs->saveid = 0;
vs->key = 0;
vs->center = 0;
vs->imgindex = 0;
vs->prep = prep;
vs->curRect.left = vs->origLeft = x;
vs->curRect.top = y;
// FIXME: these keyboard map depends on the language of the game.
// E.g. a german keyboard has 'z' and 'y' swapped, while a french
// keyboard starts with "azerty", etc.
if (_game.platform == Common::kPlatformNES) {
static const char keyboard[] = {
'q','w','e','r',
'a','s','d','f',
'z','x','c','v'
};
if (1 <= slot && slot <= ARRAYSIZE(keyboard))
vs->key = keyboard[slot - 1];
} else {
static const char keyboard[] = {
'q','w','e','r','t',
'a','s','d','f','g',
'z','x','c','v','b'
};
if (1 <= slot && slot <= ARRAYSIZE(keyboard))
vs->key = keyboard[slot - 1];
}
// It follows the verb name
loadPtrToResource(rtVerb, slot, nullptr);
}
break;
}
// Force redraw of the modified verb slot
drawVerb(slot, 0);
verbMouseOver(0);
}
void ScummEngine_v2::o2_doSentence() {
int a;
SentenceTab *st;
a = getVarOrDirectByte(PARAM_1);
if (a == 0xFC) {
_sentenceNum = 0;
stopScript(SENTENCE_SCRIPT);
return;
}
if (a == 0xFB) {
resetSentence();
return;
}
assert(_sentenceNum < NUM_SENTENCE);
st = &_sentence[_sentenceNum++];
st->verb = a;
st->objectA = getVarOrDirectWord(PARAM_2);
st->objectB = getVarOrDirectWord(PARAM_3);
st->preposition = (st->objectB != 0);
st->freezeCount = 0;
// Execute or print the sentence
_opcode = fetchScriptByte();
switch (_opcode) {
case 0:
// Do nothing (besides setting up the sentence above)
break;
case 1:
// Execute the sentence
_sentenceNum--;
if (st->verb == 254) {
ScummEngine::stopObjectScript(st->objectA);
} else {
bool isBackgroundScript;
bool isSpecialVerb;
if (st->verb != 253 && st->verb != 250) {
VAR(VAR_ACTIVE_VERB) = st->verb;
VAR(VAR_ACTIVE_OBJECT1) = st->objectA;
VAR(VAR_ACTIVE_OBJECT2) = st->objectB;
isBackgroundScript = false;
isSpecialVerb = false;
} else {
isBackgroundScript = (st->verb == 250);
isSpecialVerb = true;
st->verb = 253;
}
// Check if an object script for this object is already running. If
// so, reuse its script slot. Note that we abuse two script flags:
// freezeResistant and recursive. We use them to track two
// script flags used in V1/V2 games. The main reason we do it this
// ugly evil way is to avoid having to introduce yet another save
// game revision.
int slot = -1;
ScriptSlot *ss;
int i;
ss = vm.slot;
for (i = 0; i < NUM_SCRIPT_SLOT; i++, ss++) {
if (st->objectA == ss->number &&
ss->freezeResistant == isBackgroundScript &&
ss->recursive == isSpecialVerb &&
(ss->where == WIO_ROOM || ss->where == WIO_INVENTORY || ss->where == WIO_FLOBJECT)) {
slot = i;
break;
}
}
runObjectScript(st->objectA, st->verb, isBackgroundScript, isSpecialVerb, nullptr, slot);
}
break;
case 2:
// Print the sentence
_sentenceNum--;
VAR(VAR_SENTENCE_VERB) = st->verb;
VAR(VAR_SENTENCE_OBJECT1) = st->objectA;
VAR(VAR_SENTENCE_OBJECT2) = st->objectB;
o2_drawSentence();
break;
default:
error("o2_doSentence: unknown subopcode %d", _opcode);
}
}
void ScummEngine_v2::drawPreposition(int index) {
// The prepositions, like the fonts, were hard code in the engine. Thus
// we have to do that, too, and provde localized versions for all the
// languages MM/Zak are available in.
const char *prepositions[][5] = {