libretro/scummvm
1
0
Fork 0
mirror of https://github.com/libretro/scummvm.git synced 2024-12-30 14:14:43 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity
defd1e7084
scummvm/scumm/script_v5.cpp

2634 lines
54 KiB
C++
Raw Blame History

/* ScummVM - Scumm Interpreter
* Copyright (C) 2001 Ludvig Strigeus
* Copyright (C) 2001/2002 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.h"
#include "actor.h"
#include "charset.h"
#include "intern.h"
#include "sound.h"
#include "verbs.h"
#define OPCODE(x) { &Scumm_v5::x, #x }
void Scumm_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_actorSet),
/* 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_actorSet),
/* 54 */
OPCODE(o5_setObjectName),
OPCODE(o5_actorFromPos),
OPCODE(o5_getActorMoving),
OPCODE(o5_or),
/* 58 */
OPCODE(o5_overRide),
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_dummy),
/* 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), /* less? */
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), /* less equal? */
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_actorSet),
/* 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_dummy),
/* 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_actorSet),
/* 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_dummy),
/* 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;
}
void Scumm_v5::executeOpcode(int i)
{
OpcodeProcV5 op = _opcodesV5[i].proc;
(this->*op) ();
}
const char *Scumm_v5::getOpcodeDesc(int i)
{
return _opcodesV5[i].desc;
}
void Scumm_v5::o5_actorFollowCamera()
{
actorFollowCamera(getVarOrDirectByte(0x80));
}
void Scumm_v5::o5_actorFromPos()
{
int x, y;
getResultPos();
x = getVarOrDirectWord(0x80);
y = getVarOrDirectWord(0x40);
setResult(getActorFromPos(x, y));
}
void Scumm_v5::o5_actorSet()
{
static const byte convertTable[20] =
{ 1, 0, 0, 2, 0, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 20 };
int act = getVarOrDirectByte(0x80);
Actor *a;
int i, j;
if (act == 0)
act = 1;
a = derefActorSafe(act, "actorSet");
while ((_opcode = fetchScriptByte()) != 0xFF) {
if (_features & GF_SMALL_HEADER)
_opcode = (_opcode & 0xE0) | convertTable[(_opcode & 0x1F) - 1];
if (!a)
return;
switch (_opcode & 0x1F) {
case 0: /* dummy case */
getVarOrDirectByte(0x80);
break;
case 1: /* costume */
a->setActorCostume(getVarOrDirectByte(0x80));
break;
case 2: /* walkspeed */
i = getVarOrDirectByte(0x80);
j = getVarOrDirectByte(0x40);
a->setActorWalkSpeed(i, j);
break;
case 3: /* sound */
a->sound[0] = getVarOrDirectByte(0x80);
break;
case 4: /* walkanim */
a->walkFrame = getVarOrDirectByte(0x80);
break;
case 5: /* talkanim */
a->talkFrame1 = getVarOrDirectByte(0x80);
a->talkFrame2 = getVarOrDirectByte(0x40);
break;
case 6: /* standanim */
a->standFrame = getVarOrDirectByte(0x80);
break;
case 7: /* ignore */
getVarOrDirectByte(0x80);
getVarOrDirectByte(0x40);
getVarOrDirectByte(0x20);
break;
case 8: /* init */
a->initActor(0);
break;
case 9: /* elevation */
a->elevation = getVarOrDirectWord(0x80);
a->needRedraw = true;
a->needBgReset = true;
break;
case 10: /* defaultanims */
a->initFrame = 1;
a->walkFrame = 2;
a->standFrame = 3;
a->talkFrame1 = 4;
a->talkFrame2 = 5;
break;
case 11: /* palette */
i = getVarOrDirectByte(0x80);
j = getVarOrDirectByte(0x40);
checkRange(31, 0, i, "Illegal palet slot %d");
a->palette[i] = j;
a->needRedraw = true;
break;
case 12: /* talk color */
a->talkColor = getVarOrDirectByte(0x80);
break;
case 13: /* name */
loadPtrToResource(rtActorName, a->number, NULL);
break;
case 14: /* initanim */
a->initFrame = getVarOrDirectByte(0x80);
break;
case 15: /* unk */
error("o5_actorset: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: /* width */
a->width = getVarOrDirectByte(0x80);
break;
case 17: /* scale */
if (_gameId == GID_MONKEY_VGA) {
a->scalex = a->scaley = getVarOrDirectByte(0x80);
} else {
a->scalex = getVarOrDirectByte(0x80);
a->scaley = getVarOrDirectByte(0x40);
}
if (a->scalex > 255 || a->scaley > 255)
error("Setting an bad actor scale!");
a->needRedraw = true;
a->needBgReset = true;
break;
case 18: /* neverzclip */
a->forceClip = 0;
break;
case 19: /* setzclip */
a->forceClip = getVarOrDirectByte(0x80);
break;
case 20: /* ignoreboxes */
case 21: /* followboxes */
a->ignoreBoxes = !(_opcode & 1);
a->forceClip = 0;
if (a->isInCurrentRoom())
a->putActor(a->x, a->y, a->room);
break;
case 22: /* animspeed */
a->animSpeed = getVarOrDirectByte(0x80);
a->animProgress = 0;
break;
case 23: /* unk2 */
a->shadow_mode = getVarOrDirectByte(0x80); /* shadow mode */
break;
default:
warning("o5_actorSet: default case");
}
}
}
void Scumm_v5::o5_setClass()
{
int obj = getVarOrDirectWord(0x80);
int newClass;
while ((_opcode = fetchScriptByte()) != 0xFF) {
newClass = getVarOrDirectWord(0x80);
if (newClass == 0) {
_classData[obj] = 0;
if ((_features & GF_SMALL_HEADER) && obj <= NUM_ACTORS) {
Actor *a;
a = derefActorSafe(obj, "setClass");
a->ignoreBoxes = 0;
a->forceClip = 0;
}
continue;
}
putClass(obj, newClass, (newClass & 0x80) ? true : false);
}
}
void Scumm_v5::o5_add()
{
int a;
getResultPos();
a = getVarOrDirectWord(0x80);
setResult(readVar(_resultVarNumber) + a);
}
void Scumm_v5::o5_and()
{
int a;
getResultPos();
a = getVarOrDirectWord(0x80);
setResult(readVar(_resultVarNumber) & a);
}
void Scumm_v5::o5_animateActor()
{
int act = getVarOrDirectByte(0x80);
int anim = getVarOrDirectByte(0x40);
Actor *a = derefActorSafe(act, "o5_animateActor");
if (!a)
return;
a->animateActor(anim);
}
void Scumm_v5::o5_badOpcode()
{
error("Scumm opcode %d illegal", _opcode);
}
void Scumm_v5::o5_breakHere()
{
updateScriptPtr();
_currentScript = 0xFF;
}
void Scumm_v5::o5_chainScript()
{
int vars[16];
int data;
int cur;
data = getVarOrDirectByte(0x80);
getWordVararg(vars);
cur = _currentScript;
vm.slot[cur].number = 0;
vm.slot[cur].status = 0;
_currentScript = 0xFF;
runScript(data, vm.slot[cur].unk1, vm.slot[cur].unk2, vars);
}
void Scumm_v5::o5_cursorCommand()
{
int i, j, k;
int table[16];
switch ((_opcode = fetchScriptByte()) & 0x1F) {
case 1: /* cursor show */
_cursor.state = 1;
verbMouseOver(0);
break;
case 2: /* cursor hide */
_cursor.state = 0;
verbMouseOver(0);
break;
case 3: /* userput on */
_userPut = 1;
break;
case 4: /* userput off */
_userPut = 0;
break;
case 5: /* cursor soft on */
_cursor.state++;
verbMouseOver(0);
break;
case 6: /* cursor soft off */
_cursor.state--;
verbMouseOver(0);
break;
case 7: /* userput soft on */
_userPut++;
break;
case 8: /* userput soft off */
_userPut--;
break;
case 10: /* set cursor img */
i = getVarOrDirectByte(0x80);
j = getVarOrDirectByte(0x40);
if (_gameId != GID_LOOM256)
setCursorImg(i, j, 1);
break;
case 11: /* set cursor hotspot */
i = getVarOrDirectByte(0x80);
j = getVarOrDirectByte(0x40);
k = getVarOrDirectByte(0x20);
setCursorHotspot2(j, k);
break;
case 12: /* init cursor */
setCursor(getVarOrDirectByte(0x80));
break;
case 13: /* init charset */
initCharset(getVarOrDirectByte(0x80));
break;
case 14: /* unk */
getWordVararg(table);
for (i = 0; i < 16; i++)
_charsetColorMap[i] = _charsetData[_string[1].t_charset][i] = (unsigned char)table[i];
break;
}
_vars[VAR_CURSORSTATE] = _cursor.state;
_vars[VAR_USERPUT] = _userPut;
}
void Scumm_v5::o5_cutscene()
{
int args[16];
getWordVararg(args);
cutscene(args);
}
void Scumm_v5::o5_endCutscene()
{
endCutscene();
}
void Scumm_v5::o5_debug()
{
getVarOrDirectWord(0x80);
}
void Scumm_v5::o5_decrement()
{
getResultPos();
setResult(readVar(_resultVarNumber) - 1);
}
void Scumm_v5::o5_delay()
{
int delay = fetchScriptByte();
delay |= fetchScriptByte() << 8;
delay |= fetchScriptByte() << 16;
vm.slot[_currentScript].delay = delay;
vm.slot[_currentScript].status = 1;
o5_breakHere();
}
void Scumm_v5::o5_delayVariable()
{
vm.slot[_currentScript].delay = readVar(fetchScriptWord());
vm.slot[_currentScript].status = 1;
o5_breakHere();
}
void Scumm_v5::o5_divide()
{
int a;
getResultPos();
a = getVarOrDirectWord(0x80);
if (a == 0) {
error("Divide by zero");
setResult(0);
} else
setResult(readVar(_resultVarNumber) / a);
}
void Scumm_v5::o5_doSentence()
{
int a, b;
SentenceTab *st;
a = getVarOrDirectByte(0x80);
if (a == 0xFE) {
_sentenceNum = 0;
stopScriptNr(_vars[VAR_SENTENCE_SCRIPT]);
clearClickedStatus();
return;
}
st = &_sentence[_sentenceNum++];
st->unk5 = a;
st->unk4 = getVarOrDirectWord(0x40);
b = st->unk3 = getVarOrDirectWord(0x20);
if (b == 0) {
st->unk2 = 0;
} else {
st->unk2 = 1;
}
st->freezeCount = 0;
}
void Scumm_v5::o5_drawBox()
{
int x, y, x2, y2, color;
x = getVarOrDirectWord(0x80);
y = getVarOrDirectWord(0x40);
_opcode = fetchScriptByte();
x2 = getVarOrDirectWord(0x80);
y2 = getVarOrDirectWord(0x40);
color = getVarOrDirectByte(0x20);
drawBox(x, y, x2, y2, color);
}
void Scumm_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(0x80);
if (_features & GF_SMALL_HEADER) {
xpos = getVarOrDirectWord(0x40);
ypos = getVarOrDirectWord(0x20);
} else {
switch ((_opcode = fetchScriptByte()) & 0x1F) {
case 1: /* draw at */
xpos = getVarOrDirectWord(0x80);
ypos = getVarOrDirectWord(0x40);
break;
case 2: /* set state */
state = getVarOrDirectWord(0x80);
break;
case 0x1F: /* neither */
break;
default:
error("o5_drawObject: default case");
}
}
idx = getObjectIndex(obj);
if (idx == -1)
return;
od = &_objs[idx];
if (xpos != 0xFF) {
od->walk_x += (xpos << 3) - od->x_pos;
od->x_pos = xpos << 3;
od->walk_y += (ypos << 3) - od->y_pos;
od->y_pos = ypos << 3;
}
addObjectToDrawQue(idx);
x = od->x_pos;
y = od->y_pos;
w = od->width;
h = od->height;
i = _numLocalObjects;
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 Scumm_v5::o5_dummy()
{
/* nothing */
}
void Scumm_v5::o5_expression()
{
int dst, i;
_scummStackPos = 0;
getResultPos();
dst = _resultVarNumber;
while ((_opcode = fetchScriptByte()) != 0xFF) {
switch (_opcode & 0x1F) {
case 1: /* varordirect */
push(getVarOrDirectWord(0x80));
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(_vars[0]);
break;
}
}
_resultVarNumber = dst;
setResult(pop());
}
void Scumm_v5::o5_faceActor()
{
int act, obj;
Actor *a;
act = getVarOrDirectByte(0x80);
obj = getVarOrDirectWord(0x40);
a = derefActorSafe(act, "o5_faceActor");
assert(a);
a->factToObject(obj);
}
void Scumm_v5::o5_findInventory()
{
int t;
getResultPos();
t = getVarOrDirectByte(0x80);
setResult(findInventory(t, getVarOrDirectByte(0x40)));
}
void Scumm_v5::o5_findObject()
{
int t;
getResultPos();
t = getVarOrDirectWord(0x80);
setResult(findObject(t, getVarOrDirectWord(0x40)));
}
void Scumm_v5::o5_freezeScripts()
{
int scr = getVarOrDirectByte(0x80);
if (scr != 0)
freezeScripts(scr);
else
unfreezeScripts();
}
void Scumm_v5::o5_getActorCostume()
{
int act;
Actor *a;
getResultPos();
act = getVarOrDirectByte(0x80);
a = derefActorSafe(act, "o5_getActorCostume");
if (!a) {
warning("Invalid actor %d in o5_getActorCostume", act);
return;
}
setResult(a->costume);
}
void Scumm_v5::o5_getActorElevation()
{
int act;
Actor *a;
getResultPos();
act = getVarOrDirectByte(0x80);
a = derefActorSafe(act, "o5_getActorElevation");
if (!a) {
warning("Invalid actor %d in o5_getActorElevation", act);
return;
}
setResult(a->elevation);
}
void Scumm_v5::o5_getActorFacing()
{
int act;
Actor *a;
getResultPos();
act = getVarOrDirectByte(0x80);
a = derefActorSafe(act, "o5_getActorFacing");
if (!a) {
warning("Invalid actor %d in o5_getActorFacing", act);
return;
}
setResult(newDirToOldDir (a->facing));
}
void Scumm_v5::o5_getActorMoving()
{
int act;
Actor *a;
getResultPos();
act = getVarOrDirectByte(0x80);
a = derefActorSafe(act, "o5_getActorMoving");
if (!a) {
warning("Invalid actor %d in o5_getActorMoving", act);
return;
}
setResult(a->moving);
}
void Scumm_v5::o5_getActorRoom()
{
int act;
Actor *a;
getResultPos();
act = getVarOrDirectByte(0x80);
a = derefActorSafe(act, "o5_getActorRoom");
if (!a) {
warning("Invalid actor %d in o5_getActorRoom", act);
return;
}
setResult(a->room);
}
void Scumm_v5::o5_getActorScale()
{
// INDY3 uses this opcode as a wait_for_actor();
if (_gameId == GID_INDY3_256) {
byte *oldaddr = _scriptPointer - 1;
if (derefActorSafe(getVarOrDirectByte(0x80), "o5_wait")->moving) {
_scriptPointer = oldaddr;
o5_breakHere();
}
return;
}
getResultPos();
setResult(derefActorSafe(getVarOrDirectByte(0x80), "o5_getActorScale")->scalex);
}
void Scumm_v5::o5_getActorWalkBox()
{
Actor *a;
getResultPos();
a = derefActorSafe(getVarOrDirectByte(0x80), "o5_getActorWalkbox");
if (a) // FIXME - bug 572977 workaround
setResult(a->walkbox);
else
setResult(0);
}
void Scumm_v5::o5_getActorWidth()
{
getResultPos();
setResult(derefActorSafe(getVarOrDirectByte(0x80), "o5_getActorWidth")->width);
}
void Scumm_v5::o5_getActorX()
{
int a;
getResultPos();
if (_gameId == GID_INDY3_256)
a = getVarOrDirectByte(0x80);
else
a = getVarOrDirectWord(0x80);
setResult(getObjX(a));
}
void Scumm_v5::o5_getActorY()
{
int a;
getResultPos();
if (_gameId == GID_INDY3_256) {
a = getVarOrDirectByte(0x80);
// Indy3 hack to cheat the 'Leap of Faith' grail test
// This test is so damn annoying, I'm leaving this in.
if (_roomResource == 85) {
setResult(94);
return;
}
setResult(getObjY(a) - 1); // FIXME: Is this right, or can it be less specific?
// It's here to fix bug 636433 in specific, the actors
// are one pixel off what the script waits for.
return;
} else
a = getVarOrDirectWord(0x80);
setResult(getObjY(a));
}
void Scumm_v5::o5_getAnimCounter()
{
Actor *a;
getResultPos();
a = derefActorSafe(getVarOrDirectByte(0x80), "o5_getActorAnimCounter");
if (a) // FIXME
setResult(a->cost.animCounter1);
else
setResult(0);
}
void Scumm_v5::o5_getClosestObjActor()
{
int obj;
int act;
int closest_obj = 0xFF, closest_dist = 0xFF;
int dist;
getResultPos();
act = getVarOrDirectWord(0x80);
obj = _vars[VAR_V5_OBJECT_HI];
do {
dist = getObjActToObjActDist(act, obj);
if (dist < closest_dist) {
closest_dist = dist;
closest_obj = obj;
}
} while (--obj >= _vars[VAR_V5_OBJECT_LO]);
setResult(closest_dist);
}
void Scumm_v5::o5_getDist()
{
int o1, o2;
int r;
getResultPos();
o1 = getVarOrDirectWord(0x80);
o2 = getVarOrDirectWord(0x40);
r = getObjActToObjActDist(o1, o2);
/* FIXME: MI2 race workaround, see bug 597022 */
if (_gameId == GID_MONKEY2 && vm.slot[_currentScript].number == 40 && r < 60)
r = 60;
setResult(r);
}
void Scumm_v5::o5_getInventoryCount()
{
getResultPos();
setResult(getInventoryCount(getVarOrDirectByte(0x80)));
}
void Scumm_v5::o5_getObjectOwner()
{
getResultPos();
setResult(getOwner(getVarOrDirectWord(0x80)));
}
void Scumm_v5::o5_getObjectState()
{
if (_features & GF_SMALL_HEADER) {
o5_ifState();
} else {
getResultPos();
setResult(getState(getVarOrDirectWord(0x80)));
}
}
void Scumm_v5::o5_ifState()
{
int a = getVarOrDirectWord(0x80);
int b = getVarOrDirectByte(0x40);
if (getState(a) != b)
o5_jumpRelative();
else
ignoreScriptWord();
}
void Scumm_v5::o5_ifNotState()
{
int a = getVarOrDirectWord(0x80);
int b = getVarOrDirectByte(0x40);
if (getState(a) == b)
o5_jumpRelative();
else
ignoreScriptWord();
}
void Scumm_v5::o5_getRandomNr()
{
getResultPos();
setResult(_rnd.getRandomNumber(getVarOrDirectByte(0x80)));
}
void Scumm_v5::o5_isScriptRunning()
{
getResultPos();
setResult(isScriptRunning(getVarOrDirectByte(0x80)));
}
void Scumm_v5::o5_getVerbEntrypoint()
{
int a, b;
getResultPos();
a = getVarOrDirectWord(0x80);
b = getVarOrDirectWord(0x40);
setResult(getVerbEntrypoint(a, b));
}
void Scumm_v5::o5_ifClassOfIs()
{
int act, cls, b = 0;
bool cond = true;
act = getVarOrDirectWord(0x80);
while ((_opcode = fetchScriptByte()) != 0xFF) {
cls = getVarOrDirectWord(0x80);
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 Scumm_v5::o5_increment()
{
getResultPos();
setResult(readVar(_resultVarNumber) + 1);
}
void Scumm_v5::o5_isActorInBox()
{
int box;
Actor *a;
a = derefActorSafe(getVarOrDirectByte(0x80), "o5_isActorInBox");
box = getVarOrDirectByte(0x40);
if (!checkXYInBoxBounds(box, a->x, a->y))
o5_jumpRelative();
else
ignoreScriptWord();
}
void Scumm_v5::o5_isEqual()
{
int16 a, b;
int var;
var = fetchScriptWord();
a = readVar(var);
b = getVarOrDirectWord(0x80);
// 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 Scumm_v5::o5_isGreater()
{
int16 a = readVar(fetchScriptWord());
int16 b = getVarOrDirectWord(0x80);
if (b > a)
ignoreScriptWord();
else
o5_jumpRelative();
}
void Scumm_v5::o5_isGreaterEqual()
{
int16 a = readVar(fetchScriptWord());
int16 b = getVarOrDirectWord(0x80);
if (b >= a)
ignoreScriptWord();
else
o5_jumpRelative();
}
void Scumm_v5::o5_isLess()
{
int16 a = readVar(fetchScriptWord());
int16 b = getVarOrDirectWord(0x80);
if (b < a)
ignoreScriptWord();
else
o5_jumpRelative();
}
void Scumm_v5::o5_lessOrEqual()
{
int16 a = readVar(fetchScriptWord());
int16 b = getVarOrDirectWord(0x80);
if (b <= a)
ignoreScriptWord();
else
o5_jumpRelative();
}
void Scumm_v5::o5_isNotEqual()
{
int16 a = readVar(fetchScriptWord());
int16 b = getVarOrDirectWord(0x80);
if (b != a)
ignoreScriptWord();
else
o5_jumpRelative();
}
void Scumm_v5::o5_notEqualZero()
{
int a = readVar(fetchScriptWord());
if (a != 0)
ignoreScriptWord();
else
o5_jumpRelative();
}
void Scumm_v5::o5_equalZero()
{
int a = readVar(fetchScriptWord());
if (a == 0)
ignoreScriptWord();
else
o5_jumpRelative();
}
void Scumm_v5::o5_isSoundRunning()
{
int snd;
getResultPos();
snd = getVarOrDirectByte(0x80);
if (snd)
snd = _sound->isSoundRunning(snd);
setResult(snd);
}
void Scumm_v5::o5_jumpRelative()
{
_scriptPointer += (int16)fetchScriptWord();
}
void Scumm_v5::o5_lights()
{
int a, b, c;
a = getVarOrDirectByte(0x80);
b = fetchScriptByte();
c = fetchScriptByte();
if (c == 0)
_vars[VAR_CURRENT_LIGHTS] = a;
else if (c == 1) {
_flashlightXStrips = a;
_flashlightYStrips = b;
}
_fullRedraw = 1;
}
void Scumm_v5::o5_loadRoom()
{
int room;
room = getVarOrDirectByte(0x80);
// 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 Scumm_v5::o5_loadRoomWithEgo()
{
Actor *a;
int obj, room, x, y;
obj = getVarOrDirectWord(0x80);
room = getVarOrDirectByte(0x40);
a = derefActorSafe(_vars[VAR_EGO], "o5_loadRoomWithEgo");
a->putActor(0, 0, room);
_egoPositioned = false;
x = (int16)fetchScriptWord();
y = (int16)fetchScriptWord();
_vars[VAR_WALKTO_OBJ] = obj;
startScene(a->room, a, obj);
_vars[VAR_WALKTO_OBJ] = 0;
camera._dest.x = camera._cur.x = a->x;
setCameraAt(a->x, a->y);
setCameraFollows(a);
_fullRedraw = 1;
if (x != -1) {
a->startWalkActor(x, y, -1);
}
}
void Scumm_v5::o5_matrixOps()
{
int a, b;
if (_features & GF_OLD256) {
a = getVarOrDirectByte(0x80);
b = fetchScriptByte();
setBoxFlags(a, b);
return;
}
_opcode = fetchScriptByte();
switch (_opcode & 0x1F) {
case 1:
a = getVarOrDirectByte(0x80);
b = getVarOrDirectByte(0x40);
setBoxFlags(a, b);
break;
case 2:
a = getVarOrDirectByte(0x80);
b = getVarOrDirectByte(0x40);
setBoxScale(a, b);
break;
case 3:
a = getVarOrDirectByte(0x80);
b = getVarOrDirectByte(0x40);
setBoxScale(a, (b - 1) | 0x8000);
break;
case 4:
createBoxMatrix();
break;
}
}
void Scumm_v5::o5_move()
{
getResultPos();
setResult(getVarOrDirectWord(0x80));
}
void Scumm_v5::o5_multiply()
{
int a;
getResultPos();
a = getVarOrDirectWord(0x80);
setResult(readVar(_resultVarNumber) * a);
}
void Scumm_v5::o5_or()
{
int a;
getResultPos();
a = getVarOrDirectWord(0x80);
setResult(readVar(_resultVarNumber) | a);
}
void Scumm_v5::o5_overRide()
{
if (fetchScriptByte() != 0)
beginOverride();
else
endOverride();
}
void Scumm_v5::o5_panCameraTo()
{
panCameraTo(getVarOrDirectWord(0x80), 0);
}
void Scumm_v5::o5_pickupObject()
{
int obj, room;
if (_features & GF_OLD256) {
o5_drawObject();
return;
}
obj = getVarOrDirectWord(0x80);
room = getVarOrDirectByte(0x40);
if (room == 0)
room = _roomResource;
addObjectToInventory(obj, room);
putOwner(obj, _vars[VAR_EGO]);
putClass(obj, 32, 1);
putState(obj, 1);
removeObjectFromRoom(obj);
clearDrawObjectQueue();
runHook(1);
}
void Scumm_v5::o5_print()
{
_actorToPrintStrFor = getVarOrDirectByte(0x80);
decodeParseString();
}
void Scumm_v5::o5_printEgo()
{
_actorToPrintStrFor = (unsigned char)_vars[VAR_EGO];
decodeParseString();
}
void Scumm_v5::o5_pseudoRoom()
{
int i = fetchScriptByte(), j;
while ((j = fetchScriptByte()) != 0) {
if (j >= 0x80) {
_resourceMapper[j & 0x7F] = i;
}
}
}
void Scumm_v5::o5_putActor()
{
int x, y;
Actor *a;
a = derefActorSafe(getVarOrDirectByte(0x80), "o5_putActor");
if (!a)
return;
x = getVarOrDirectWord(0x40);
y = getVarOrDirectWord(0x20);
a->putActor(x, y, a->room);
}
void Scumm_v5::o5_putActorAtObject()
{
int obj, x, y;
Actor *a;
a = derefActorSafe(getVarOrDirectByte(0x80), "o5_putActorAtObject");
obj = getVarOrDirectWord(0x40);
if (whereIsObject(obj) != WIO_NOT_FOUND)
getObjectXYPos(obj, x, y);
else {
x = 240;
y = 120;
}
a->putActor(x, y, a->room);
}
void Scumm_v5::o5_putActorInRoom()
{
int room;
Actor *a;
a = derefActorSafe(getVarOrDirectByte(0x80), "o5_putActorInRoom");
room = getVarOrDirectByte(0x40);
if (a == NULL) return; // FIXME - yet another null dref hack, see bug 639201
if (a->visible && _currentRoom != room && _vars[VAR_TALK_ACTOR] == a->number) {
clearMsgQueue();
}
a->room = room;
if (!room)
a->putActor(0, 0, 0);
}
void Scumm_v5::o5_quitPauseRestart()
{
switch (fetchScriptByte()) {
case 1:
pauseGame(false);
break;
case 3:
shutDown(0);
break;
}
}
void Scumm_v5::o5_resourceRoutines()
{
const ResTypes resType[4] = { rtScript, rtSound, rtCostume, rtRoom };
int resid = 0;
int foo, bar;
_opcode = fetchScriptByte();
if (_opcode != 17)
resid = getVarOrDirectByte(0x80);
if (_gameId == GID_ZAK256)
_opcode &= 0x3F;
else
_opcode &= 0x1F;
switch (_opcode) {
case 1: // load script
case 2: // load sound
case 3: // load costume
ensureResourceLoaded(resType[_opcode-1], resid);
break;
case 4: // load room
if (_gameId == GID_ZAK256) {
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: // nuke script
case 6: // nuke sound
case 7: // nuke costume
case 8: // nuke room
if (_gameId == GID_ZAK256)
warning("o5_resourceRoutines %d should not occur in Zak256", _opcode);
else
setResourceCounter(resType[_opcode-5], resid, 0x7F);
break;
case 9: // lock script
if (resid >= _numGlobalScripts)
break;
lock(rtScript, resid);
break;
case 10: // lock sound
lock(rtSound, resid);
break;
case 11: // lock costume
lock(rtCostume, resid);
break;
case 12: // lock room
if (resid > 0x7F)
resid = _resourceMapper[resid & 0x7F];
lock(rtRoom, resid);
break;
case 13: // unlock script
if (resid >= _numGlobalScripts)
break;
unlock(rtScript, resid);
break;
case 14: // unlock sound
unlock(rtSound, resid);
break;
case 15: // unlock costume
unlock(rtCostume, resid);
break;
case 16: // unlock room
if (resid > 0x7F)
resid = _resourceMapper[resid & 0x7F];
unlock(rtRoom, resid);
break;
case 17: // clear heap
heapClear(0);
unkHeapProc2(0, 0);
break;
case 18: // load charset
loadCharset(resid);
break;
case 19: // nuke charset
nukeCharset(resid);
break;
case 20: // load fl object
loadFlObject(getVarOrDirectWord(0x40), resid);
break;
case 0x1F + 1:
// TODO
warning("o5_resourceRoutines %d not yet handled (script %d)", _opcode, vm.slot[_currentScript].number);
break;
case 0x20 + 1:
// TODO
warning("o5_resourceRoutines %d not yet handled (script %d)", _opcode, vm.slot[_currentScript].number);
break;
case 0x22 + 1:
// TODO
foo = getVarOrDirectByte(0x40);
warning("o5_resourceRoutines %d not yet handled (script %d)", _opcode, vm.slot[_currentScript].number);
break;
case 0x23 + 1:
// TODO
foo = getVarOrDirectByte(0x40);
bar = fetchScriptByte();
warning("o5_resourceRoutines %d not yet handled (script %d)", _opcode, vm.slot[_currentScript].number);
break;
case 0x24 + 1:
// TODO
foo = getVarOrDirectByte(0x40);
warning("o5_resourceRoutines %d not yet handled (script %d)", _opcode, vm.slot[_currentScript].number);
break;
default:
warning("Unknown o5_resourceRoutines: %d", _opcode);
break;
}
}
void Scumm_v5::o5_roomOps()
{
int a = 0, b = 0, c, d, e;
if (_features & GF_OLD256) {
a = getVarOrDirectWord(0x80);
b = getVarOrDirectWord(0x40);
}
_opcode = fetchScriptByte();
switch (_opcode & 0x1F) {
case 1: /* room scroll */
if (!(_features & GF_OLD256)) {
a = getVarOrDirectWord(0x80);
b = getVarOrDirectWord(0x40);
}
if (a < (_realWidth / 2))
a = (_realWidth / 2);
if (b < (_realWidth / 2))
b = (_realWidth / 2);
if (a > _scrWidth - (_realWidth / 2))
a = _scrWidth - (_realWidth / 2);
if (b > _scrWidth - (_realWidth / 2))
b = _scrWidth - (_realWidth / 2);
_vars[VAR_CAMERA_MIN_X] = a;
_vars[VAR_CAMERA_MAX_X] = b;
break;
case 2: /* room color */
if (_features & GF_SMALL_HEADER) {
if (!(_features & GF_OLD256)) {
a = getVarOrDirectWord(0x80);
b = getVarOrDirectWord(0x40);
}
checkRange(256, 0, a, "o5_roomOps: 2: Illegal room color slot (%d)");
// FIXME - fingolfin thinks our whole _shadowPalette usage is weird.
// It seems very suspicious that subopcode 2 is identical to subopcode 4
// for GF_SMALL_HEADER games. Needs investigation.
// printf("copyPalColor(%d, %d)\n", a, b);
// copyPalColor(a, b);
_shadowPalette[b] = a;
setDirtyColors(b, b);
} else {
error("room-color is no longer a valid command");
}
break;
case 3: /* set screen */
if (!(_features & GF_OLD256)) {
a = getVarOrDirectWord(0x80);
b = getVarOrDirectWord(0x40);
}
initScreens(0, a, _realWidth, b);
break;
case 4: /* set palette color */
if (_features & GF_SMALL_HEADER) {
if (!(_features & GF_OLD256)) {
a = getVarOrDirectWord(0x80);
b = getVarOrDirectWord(0x40);
}
checkRange(256, 0, a, "o5_roomOps: 2: Illegal room color slot (%d)");
_shadowPalette[b] = a;
setDirtyColors(b, b);
} else {
a = getVarOrDirectWord(0x80);
b = getVarOrDirectWord(0x40);
c = getVarOrDirectWord(0x20);
_opcode = fetchScriptByte();
d = getVarOrDirectByte(0x80);
setPalColor(d, a, b, c); /* index, r, g, b */
}
break;
case 5: /* shake on */
setShake(1);
break;
case 6: /* shake off */
setShake(0);
break;
case 7: /* room scale for old games */
a = getVarOrDirectByte(0x80);
b = getVarOrDirectByte(0x40);
_opcode = fetchScriptByte();
c = getVarOrDirectByte(0x80);
d = getVarOrDirectByte(0x40);
_opcode = fetchScriptByte();
e = getVarOrDirectByte(0x40);
setScaleItem(e - 1, b, a, d, c);
break;
case 8: /* room scale? */
if (_features & GF_SMALL_HEADER) {
if (!(_features & GF_OLD256)) {
a = getVarOrDirectWord(0x80);
b = getVarOrDirectWord(0x40);
}
c = getVarOrDirectWord(0x20);
} else {
a = getVarOrDirectByte(0x80);
b = getVarOrDirectByte(0x40);
c = getVarOrDirectByte(0x20);
}
darkenPalette(a, a, a, b, c);
break;
case 9: /* ? */
_saveLoadFlag = getVarOrDirectByte(0x80);
_saveLoadSlot = getVarOrDirectByte(0x40);
_saveLoadSlot = 99; /* use this slot */
_saveLoadCompatible = true;
break;
case 10: /* ? */
a = getVarOrDirectWord(0x80);
if (a) {
_switchRoomEffect = (byte)a;
_switchRoomEffect2 = (byte)(a >> 8);
} else {
fadeIn(_newEffect);
}
break;
case 11: /* ? */
a = getVarOrDirectWord(0x80);
b = getVarOrDirectWord(0x40);
c = getVarOrDirectWord(0x20);
_opcode = fetchScriptByte();
d = getVarOrDirectByte(0x80);
e = getVarOrDirectByte(0x40);
darkenPalette(a, b, c, d, e);
break;
case 12: /* ? */
a = getVarOrDirectWord(0x80);
b = getVarOrDirectWord(0x40);
c = getVarOrDirectWord(0x20);
_opcode = fetchScriptByte();
d = getVarOrDirectByte(0x80);
e = getVarOrDirectByte(0x40);
setupShadowPalette(a, b, c, d, e);
break;
case 13:{ /* save-string */
// TODO - use class File instead of fopen/fwrite/fclose
char buf[256], *s;
FILE *out;
a = getVarOrDirectByte(0x80);
// FIXME - check for buffer overflow
strcpy(buf, getSavePath());
s = buf + strlen(buf);
while ((*s++ = fetchScriptByte()));
// Use buf as filename
out = fopen(buf, "wb");
if (out) {
byte *ptr;
ptr = getResourceAddress(rtString, a);
fwrite(ptr, resStrLen(ptr) + 1, 1, out);
fclose(out);
}
break;
}
case 14:{ /* load-string */
// TODO - use class File instead of fopen/fread/fclose
char buf[256], *s;
FILE *in;
a = getVarOrDirectByte(0x80);
// FIXME - check for buffer overflow
strcpy(buf, getSavePath());
s = buf + strlen(buf);
while ((*s++ = fetchScriptByte()));
// Use buf as filename
in = fopen(buf, "rb");
if (in) {
byte *ptr;
int len;
fseek(in, 0, SEEK_END);
len = ftell(in); // Determine file size
ptr = (byte *)calloc(len + 1, 1); // Create a zero terminated buffer
fseek(in, 0, SEEK_SET);
fread(ptr, len, 1, in); // Read in the data
fclose(in);
loadPtrToResource(rtString, a, ptr);
free(ptr);
}
break;
}
case 15: /* palmanip */
a = getVarOrDirectByte(0x80);
_opcode = fetchScriptByte();
b = getVarOrDirectByte(0x80);
c = getVarOrDirectByte(0x40);
_opcode = fetchScriptByte();
d = getVarOrDirectByte(0x80);
palManipulateInit(b, c, a, d);
break;
case 16:
a = getVarOrDirectByte(0x80);
b = getVarOrDirectByte(0x40);
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;
}
}
void Scumm_v5::o5_saveRestoreVerbs()
{
int a, b, c, slot, slot2;
_opcode = fetchScriptByte();
a = getVarOrDirectByte(0x80);
b = getVarOrDirectByte(0x40);
c = getVarOrDirectByte(0x20);
switch (_opcode) {
case 1: /* hide 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: /* show 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: /* kill verbs */
while (a <= b) {
slot = getVerbSlot(a, c);
if (slot)
killVerb(slot);
a++;
}
break;
default:
error("o5_saveRestoreVerbs: invalid opcode");
}
}
void Scumm_v5::o5_setCameraAt()
{
setCameraAtEx(getVarOrDirectWord(0x80));
}
void Scumm_v5::o5_setObjectName()
{
int obj = getVarOrDirectWord(0x80);
int size;
int a;
int i = 0;
byte *name = NULL;
unsigned char work[256];
// Read in new name
while ((a = fetchScriptByte()) != 0) {
work[i++] = a;
if (a == 0xFF) {
work[i++] = fetchScriptByte();
work[i++] = fetchScriptByte();
work[i++] = fetchScriptByte();
}
}
work[i] = 0;
if (obj < NUM_ACTORS)
error("Can't set actor %d name with new-name-of", obj);
if (!getOBCDFromObject(obj)) {
// FIXME: Bug 587553. This is an odd one and looks more like
// an actual bug in the original script. Usually we would error
warning("Can't find OBCD to rename object %d to %s", obj, work);
return;
}
name = getObjOrActorName(obj);
if (_features & GF_SMALL_HEADER) {
// FIXME this is hack to make MonkeyVGA work. needed at least for the german
// version but possibly for others as well. There is no apparent other
// way to determine the available space that works in all cases...
byte *objptr;
byte offset = 0;
objptr = getOBCDFromObject(obj);
offset = READ_LE_UINT16(objptr + 18);
size = READ_LE_UINT16(objptr) - offset;
} else {
size = getResourceDataSize(name);
}
if (i >= size) {
warning("New name of object %d too long (old *%s* new *%s*)", obj, name, work);
i = size - 1;
}
memcpy(name, work, i+1);
runHook(0);
}
void Scumm_v5::o5_setOwnerOf()
{
int obj, owner;
obj = getVarOrDirectWord(0x80);
owner = getVarOrDirectByte(0x40);
setOwnerOf(obj, owner);
}
void Scumm_v5::o5_setState()
{
int obj, state;
obj = getVarOrDirectWord(0x80);
state = getVarOrDirectByte(0x40);
putState(obj, state);
removeObjectFromRoom(obj);
if (_BgNeedsRedraw)
clearDrawObjectQueue();
}
void Scumm_v5::o5_setVarRange()
{
int a, b;
getResultPos();
a = fetchScriptByte();
do {
if (_opcode & 0x80)
b = fetchScriptWord();
else
b = fetchScriptByte();
setResult(b);
_resultVarNumber++;
} while (--a);
}
void Scumm_v5::o5_soundKludge()
{
int items[15];
int i;
if (_features & GF_SMALL_HEADER) { // Is WaitForSentence in SCUMM V3
if (_sentenceNum) {
if (_sentence[_sentenceNum - 1].freezeCount && !isScriptInUse(_vars[VAR_SENTENCE_SCRIPT]))
return;
} else if (!isScriptInUse(_vars[VAR_SENTENCE_SCRIPT]))
return;
_scriptPointer--;
o5_breakHere();
return;
}
for (i = 0; i < 15; i++)
items[i] = 0;
int num = getWordVararg(items);
_sound->soundKludge(items, num);
}
void Scumm_v5::o5_startMusic()
{
_sound->addSoundToQueue(getVarOrDirectByte(0x80));
}
void Scumm_v5::o5_startObject()
{
int obj, script;
int data[16];
obj = getVarOrDirectWord(0x80);
script = getVarOrDirectByte(0x40);
getWordVararg(data);
runVerbCode(obj, script, 0, 0, data);
}
void Scumm_v5::o5_startScript()
{
int op, script;
int data[16];
int a, b;
op = _opcode;
script = getVarOrDirectByte(0x80);
getWordVararg(data);
a = b = 0;
if (op & 0x40)
b = 1;
if (op & 0x20)
a = 1;
runScript(script, a, b, data);
}
void Scumm_v5::o5_startSound()
{
_vars[VAR_MUSIC_FLAG] = 0;
_sound->addSoundToQueue(getVarOrDirectByte(0x80));
}
void Scumm_v5::o5_stopMusic()
{
_sound->stopAllSounds();
}
void Scumm_v5::o5_stopObjectCode()
{
stopObjectCode();
}
void Scumm_v5::o5_stopObjectScript()
{
stopObjectScript(getVarOrDirectWord(0x80));
}
void Scumm_v5::o5_stopScript()
{
int script;
script = getVarOrDirectByte(0x80);
if (!script)
stopObjectCode();
else
stopScriptNr(script);
}
void Scumm_v5::o5_stopSound()
{
_sound->stopSound(getVarOrDirectByte(0x80));
}
void Scumm_v5::o5_stringOps()
{
int a, b, c, i;
byte *ptr;
_opcode = fetchScriptByte();
switch (_opcode & 0x1F) {
case 1: /* loadstring */
loadPtrToResource(rtString, getVarOrDirectByte(0x80), NULL);
break;
case 2: /* copystring */
a = getVarOrDirectByte(0x80);
b = getVarOrDirectByte(0x40);
nukeResource(rtString, a);
ptr = getResourceAddress(rtString, b);
if (ptr)
loadPtrToResource(rtString, a, ptr);
break;
case 3: /* set string char */
a = getVarOrDirectByte(0x80);
b = getVarOrDirectByte(0x40);
c = getVarOrDirectByte(0x20);
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(0x80);
b = getVarOrDirectByte(0x40);
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(0x80);
b = getVarOrDirectByte(0x40);
nukeResource(rtString, a);
if (b) {
ptr = createResource(rtString, a, b);
if (ptr) {
for (i = 0; i < b; i++)
ptr[i] = 0;
}
}
break;
}
}
void Scumm_v5::o5_subtract()
{
int a;
getResultPos();
a = getVarOrDirectWord(0x80);
setResult(readVar(_resultVarNumber) - a);
}
void Scumm_v5::o5_verbOps()
{
int verb, slot;
VerbSlot *vs;
int a, b;
byte *ptr;
verb = getVarOrDirectByte(0x80);
slot = getVerbSlot(verb, 0);
checkRange(_maxVerbs - 1, 0, slot, "Illegal new verb slot %d");
vs = &_verbs[slot];
vs->verbid = verb;
while ((_opcode = fetchScriptByte()) != 0xFF) {
switch (_opcode & 0x1F) {
case 1: /* load image */
a = getVarOrDirectWord(0x80);
if (slot) {
setVerbObject(_roomResource, a, slot);
vs->type = kImageVerbType;
}
break;
case 2: /* load from code */
loadPtrToResource(rtVerb, slot, NULL);
if (slot == 0)
nukeResource(rtVerb, slot);
vs->type = kTextVerbType;
vs->imgindex = 0;
break;
case 3: /* color */
vs->color = getVarOrDirectByte(0x80);
break;
case 4: /* set hi color */
vs->hicolor = getVarOrDirectByte(0x80);
break;
case 5: /* set xy */
vs->x = getVarOrDirectWord(0x80);
vs->y = getVarOrDirectWord(0x40);
// FIXME: hack loom notes into right spot
if (_gameId == GID_LOOM256) {
if ((verb >= 90) && (verb <= 97)) { // Notes
switch (verb) {
case 90:
case 91:
vs->y -= 7;
break;
case 92:
vs->y -= 6;
break;
case 93:
vs->y -= 4;
break;
case 94:
vs->y -= 3;
break;
case 95:
vs->y -= 1;
break;
case 97:
vs->y -= 5;
}
}
}
break;
case 6: /* set on */
vs->curmode = 1;
break;
case 7: /* set off */
vs->curmode = 0;
break;
case 8: /* delete */
killVerb(slot);
break;
case 9: /* new */
slot = getVerbSlot(verb, 0);
if (slot == 0) {
for (slot = 1; slot < _maxVerbs; slot++) {
if (_verbs[slot].verbid == 0)
break;
}
if (slot == _maxVerbs)
error("Too many verbs");
}
vs = &_verbs[slot];
vs->verbid = verb;
vs->color = 2;
vs->hicolor = 0;
vs->dimcolor = 8;
vs->type = kTextVerbType;
vs->charset_nr = _string[0].t_charset;
vs->curmode = 0;
vs->saveid = 0;
vs->key = 0;
vs->center = 0;
vs->imgindex = 0;
break;
case 16: /* set dim color */
vs->dimcolor = getVarOrDirectByte(0x80);
break;
case 17: /* dim */
vs->curmode = 2;
break;
case 18: /* set key */
vs->key = getVarOrDirectByte(0x80);
break;
case 19: /* set center */
vs->center = 1;
break;
case 20: /* set to string */
ptr = getResourceAddress(rtString, getVarOrDirectWord(0x80));
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(0x80);
b = getVarOrDirectByte(0x40);
if (slot && vs->imgindex != a) {
setVerbObject(b, a, slot);
vs->type = kImageVerbType;
vs->imgindex = a;
}
break;
case 23: /* set back color */
vs->bkcolor = getVarOrDirectByte(0x80);
break;
}
}
drawVerb(slot, 0);
verbMouseOver(0);
}
void Scumm_v5::o5_wait()
{
byte *oldaddr;
oldaddr = _scriptPointer - 1;
if (_gameId == GID_INDY3_256) {
_opcode = 2;
} else
_opcode = fetchScriptByte();
switch (_opcode & 0x1F) {
case 1: { /* wait for actor */
Actor *a = derefActorSafe(getVarOrDirectByte(0x80), "o5_wait");
if (a && a->isInCurrentRoom() && a->moving)
break;
return;
}
case 2: /* wait for message */
if (_vars[VAR_HAVE_MSG])
break;
return;
case 3: /* wait for camera */
if (camera._cur.x >> 3 != camera._dest.x >> 3)
break;
return;
case 4: /* wait for sentence */
if (_sentenceNum) {
if (_sentence[_sentenceNum - 1].freezeCount && !isScriptInUse(_vars[VAR_SENTENCE_SCRIPT]))
return;
break;
}
if (!isScriptInUse(_vars[VAR_SENTENCE_SCRIPT]))
return;
break;
default:
error("o5_wait: default case");
return;
}
_scriptPointer = oldaddr;
o5_breakHere();
}
void Scumm_v5::o5_walkActorTo()
{
int x, y;
Actor *a;
a = derefActorSafe(getVarOrDirectByte(0x80), "o5_walkActorTo");
x = getVarOrDirectWord(0x40);
y = getVarOrDirectWord(0x20);
a->startWalkActor(x, y, -1);
}
void Scumm_v5::o5_walkActorToActor()
{
int b, x, y;
Actor *a, *a2;
int nr;
int nr2 = getVarOrDirectByte(0x80);
a = derefActorSafe(nr2, "o5_walkActorToActor");
if (!a)
return;
if (!a->isInCurrentRoom()) {
getVarOrDirectByte(0x40);
fetchScriptByte();
return;
}
nr = getVarOrDirectByte(0x40);
if (nr == 106 && _gameId == GID_INDY4) {
warning("Bypassing Indy4 bug");
fetchScriptByte();
return;
}
// warning("walk actor %d to actor %d", nr, nr2);
a2 = derefActorSafe(nr, "o5_walkActorToActor(2)");
if (!a2)
return;
if (!a2->isInCurrentRoom()) {
fetchScriptByte();
return;
}
b = fetchScriptByte(); /* distance from actor */
if (b == 0xFF) {
b = a2->scalex * a->width / 0xFF;
b = b + b / 2;
}
x = a2->x;
y = a2->y;
if (x < a->x)
x += b;
else
x -= b;
a->startWalkActor(x, y, -1);
}
void Scumm_v5::o5_walkActorToObject()
{
int obj;
Actor *a;
// warning("walk object to object");
a = derefActorSafe(getVarOrDirectByte(0x80), "o5_walkActorToObject");
obj = getVarOrDirectWord(0x40);
if (whereIsObject(obj) != WIO_NOT_FOUND) {
int x, y, dir;
getObjectXYPos(obj, x, y, dir);
a->startWalkActor(x, y, dir);
}
}
int Scumm_v5::getWordVararg(int *ptr)
{
int i;
for (i = 0; i < 15; i++)
ptr[i] = 0;
i = 0;
while ((_opcode = fetchScriptByte()) != 0xFF) {
ptr[i++] = getVarOrDirectWord(0x80);
}
return i;
}
int Scumm_v5::getVarOrDirectWord(byte mask)
{
if (_opcode & mask)
return readVar(fetchScriptWord());
return (int16)fetchScriptWord();
}
int Scumm_v5::getVarOrDirectByte(byte mask)
{
if (_opcode & mask)
return readVar(fetchScriptWord());
return fetchScriptByte();
}
void Scumm_v5::decodeParseString()
{
int textSlot;
switch (_actorToPrintStrFor) {
case 252:
textSlot = 3;
break;
case 253:
textSlot = 2;
break;
case 254:
textSlot = 1;
break;
default:
textSlot = 0;
}
setStringVars(textSlot);
while ((_opcode = fetchScriptByte()) != 0xFF) {
switch (_opcode & 0xF) {
case 0: /* set string xy */
_string[textSlot].xpos = getVarOrDirectWord(0x80);
_string[textSlot].ypos = getVarOrDirectWord(0x40);
_string[textSlot].overhead = false;
break;
case 1: /* color */
_string[textSlot].color = getVarOrDirectByte(0x80);
break;
case 2: /* right */
_string[textSlot].right = getVarOrDirectWord(0x80);
break;
case 4: /* center */
_string[textSlot].center = true;
_string[textSlot].overhead = false;
break;
case 6: /* left */
_string[textSlot].center = false;
_string[textSlot].overhead = false;
break;
case 7: /* overhead */
_string[textSlot].overhead = true;
break;
case 8:{ /* play loom talkie sound - use in other games ? */
int x = getVarOrDirectWord(0x80);
int offset;
int delay;
if (x != 0)
offset = (int)((x & 0xffff) * 7.5 - 22650);
else
offset = 0;
delay = (int)((getVarOrDirectWord(0x40) & 0xffff) * 7.5);
if (_gameId == GID_LOOM256) {
_vars[VAR_MI1_TIMER] = 0;
if (offset == 0 && delay == 0) {
_sound->stopCD();
} else {
_sound->playCDTrack(1, 0, offset, delay);
}
} else {
warning("parseString: 8");
}
}
break;
case 15:
_messagePtr = _scriptPointer;
switch (textSlot) {
case 0:
actorTalk();
break;
case 1:
drawString(1);
break;
case 2:
unkMessage1();
break;
case 3:
unkMessage2();
break;
}
// FIXME: Store positions, this is needed for Indy3 (Grail Diary)..
// I don't believe this is the correct fix, may cause other problems
// later in the game.
if (_gameId == GID_INDY3_256) {
_string[textSlot].t_xpos = _string[textSlot].xpos;
_string[textSlot].t_ypos = _string[textSlot].ypos;
}
_scriptPointer = _messagePtr;
return;
default:
return;
}
}
_string[textSlot].t_xpos = _string[textSlot].xpos;
_string[textSlot].t_ypos = _string[textSlot].ypos;
_string[textSlot].t_center = _string[textSlot].center;
_string[textSlot].t_overhead = _string[textSlot].overhead;
_string[textSlot].t_right = _string[textSlot].right;
_string[textSlot].t_color = _string[textSlot].color;
_string[textSlot].t_charset = _string[textSlot].charset;
}
void Scumm_v5::o5_oldRoomEffect()
{
int a;
_opcode = fetchScriptByte();
if ((_opcode & 0x1F) == 3) {
a = getVarOrDirectWord(0x80);
if (a) {
_switchRoomEffect = (byte)a;
_switchRoomEffect2 = (byte)(a >> 8);
} else {
fadeIn(_newEffect);
}
}
}
void Scumm_v5::o5_pickupObjectOld()
{
int obj = getVarOrDirectWord(0x80);
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);
removeObjectFromRoom(obj);
putOwner(obj, _vars[VAR_EGO]);
putClass(obj, 32, 1);
putState(obj, 1);
clearDrawObjectQueue();
runHook(1);
}
Reference in New Issue View Git Blame Copy Permalink