scummvm/scumm/script_v7he.cpp
Eugene Sandulenko 154c4af8dc Mass-renamed all variables of Actor object according to our current code
formatting standards. Earlier we had half of vars named with leading
underscore and half without it.

Now code in actor.cpp is considerably more readable.

svn-id: r17068
2005-03-11 01:10:06 +00:00

1103 lines
23 KiB
C++

/* ScummVM - Scumm Interpreter
* Copyright (C) 2001 Ludvig Strigeus
* Copyright (C) 2001-2005 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 "common/config-manager.h"
#include "scumm/actor.h"
#include "scumm/charset.h"
#include "scumm/intern.h"
#include "scumm/object.h"
#include "scumm/resource.h"
#include "scumm/resource_v7he.h"
#include "scumm/scumm.h"
#include "scumm/sound.h"
#include "scumm/verbs.h"
namespace Scumm {
#define OPCODE(x) _OPCODE(ScummEngine_v70he, x)
void ScummEngine_v70he::setupOpcodes() {
static const OpcodeEntryv70he opcodes[256] = {
/* 00 */
OPCODE(o6_pushByte),
OPCODE(o6_pushWord),
OPCODE(o6_pushByteVar),
OPCODE(o6_pushWordVar),
/* 04 */
OPCODE(o6_invalid),
OPCODE(o6_invalid),
OPCODE(o6_byteArrayRead),
OPCODE(o6_wordArrayRead),
/* 08 */
OPCODE(o6_invalid),
OPCODE(o6_invalid),
OPCODE(o6_byteArrayIndexedRead),
OPCODE(o6_wordArrayIndexedRead),
/* 0C */
OPCODE(o6_dup),
OPCODE(o6_not),
OPCODE(o6_eq),
OPCODE(o6_neq),
/* 10 */
OPCODE(o6_gt),
OPCODE(o6_lt),
OPCODE(o6_le),
OPCODE(o6_ge),
/* 14 */
OPCODE(o6_add),
OPCODE(o6_sub),
OPCODE(o6_mul),
OPCODE(o6_div),
/* 18 */
OPCODE(o6_land),
OPCODE(o6_lor),
OPCODE(o6_pop),
OPCODE(o6_invalid),
/* 1C */
OPCODE(o6_invalid),
OPCODE(o6_invalid),
OPCODE(o6_invalid),
OPCODE(o6_invalid),
/* 20 */
OPCODE(o6_invalid),
OPCODE(o6_invalid),
OPCODE(o6_invalid),
OPCODE(o6_invalid),
/* 24 */
OPCODE(o6_invalid),
OPCODE(o6_invalid),
OPCODE(o6_invalid),
OPCODE(o6_invalid),
/* 28 */
OPCODE(o6_invalid),
OPCODE(o6_invalid),
OPCODE(o6_invalid),
OPCODE(o6_invalid),
/* 2C */
OPCODE(o6_invalid),
OPCODE(o6_invalid),
OPCODE(o6_invalid),
OPCODE(o6_invalid),
/* 30 */
OPCODE(o6_invalid),
OPCODE(o6_invalid),
OPCODE(o6_invalid),
OPCODE(o6_invalid),
/* 34 */
OPCODE(o6_invalid),
OPCODE(o6_invalid),
OPCODE(o6_invalid),
OPCODE(o6_invalid),
/* 38 */
OPCODE(o6_invalid),
OPCODE(o6_invalid),
OPCODE(o6_invalid),
OPCODE(o6_invalid),
/* 3C */
OPCODE(o6_invalid),
OPCODE(o6_invalid),
OPCODE(o6_invalid),
OPCODE(o6_invalid),
/* 40 */
OPCODE(o6_invalid),
OPCODE(o6_invalid),
OPCODE(o6_writeByteVar),
OPCODE(o6_writeWordVar),
/* 44 */
OPCODE(o6_invalid),
OPCODE(o6_invalid),
OPCODE(o6_byteArrayWrite),
OPCODE(o6_wordArrayWrite),
/* 48 */
OPCODE(o6_invalid),
OPCODE(o6_invalid),
OPCODE(o6_byteArrayIndexedWrite),
OPCODE(o6_wordArrayIndexedWrite),
/* 4C */
OPCODE(o6_invalid),
OPCODE(o6_invalid),
OPCODE(o6_byteVarInc),
OPCODE(o6_wordVarInc),
/* 50 */
OPCODE(o6_invalid),
OPCODE(o6_invalid),
OPCODE(o6_byteArrayInc),
OPCODE(o6_wordArrayInc),
/* 54 */
OPCODE(o6_invalid),
OPCODE(o6_invalid),
OPCODE(o6_byteVarDec),
OPCODE(o6_wordVarDec),
/* 58 */
OPCODE(o6_invalid),
OPCODE(o6_invalid),
OPCODE(o6_byteArrayDec),
OPCODE(o6_wordArrayDec),
/* 5C */
OPCODE(o6_if),
OPCODE(o6_ifNot),
OPCODE(o6_startScript),
OPCODE(o6_startScriptQuick),
/* 60 */
OPCODE(o6_startObject),
OPCODE(o6_drawObject),
OPCODE(o6_drawObjectAt),
OPCODE(o6_invalid),
/* 64 */
OPCODE(o6_invalid),
OPCODE(o6_stopObjectCode),
OPCODE(o6_stopObjectCode),
OPCODE(o6_endCutscene),
/* 68 */
OPCODE(o6_cutscene),
OPCODE(o6_stopMusic),
OPCODE(o6_freezeUnfreeze),
OPCODE(o6_cursorCommand),
/* 6C */
OPCODE(o6_breakHere),
OPCODE(o6_ifClassOfIs),
OPCODE(o6_setClass),
OPCODE(o6_getState),
/* 70 */
OPCODE(o60_setState),
OPCODE(o6_setOwner),
OPCODE(o6_getOwner),
OPCODE(o6_jump),
/* 74 */
OPCODE(o70_startSound),
OPCODE(o6_stopSound),
OPCODE(o6_startMusic),
OPCODE(o6_stopObjectScript),
/* 78 */
OPCODE(o6_panCameraTo),
OPCODE(o6_actorFollowCamera),
OPCODE(o6_setCameraAt),
OPCODE(o6_loadRoom),
/* 7C */
OPCODE(o6_stopScript),
OPCODE(o6_walkActorToObj),
OPCODE(o6_walkActorTo),
OPCODE(o6_putActorAtXY),
/* 80 */
OPCODE(o6_putActorAtObject),
OPCODE(o6_faceActor),
OPCODE(o6_animateActor),
OPCODE(o6_doSentence),
/* 84 */
OPCODE(o70_pickupObject),
OPCODE(o6_loadRoomWithEgo),
OPCODE(o6_invalid),
OPCODE(o6_getRandomNumber),
/* 88 */
OPCODE(o6_getRandomNumberRange),
OPCODE(o6_invalid),
OPCODE(o6_getActorMoving),
OPCODE(o6_isScriptRunning),
/* 8C */
OPCODE(o70_getActorRoom),
OPCODE(o6_getObjectX),
OPCODE(o6_getObjectY),
OPCODE(o6_getObjectOldDir),
/* 90 */
OPCODE(o6_getActorWalkBox),
OPCODE(o6_getActorCostume),
OPCODE(o6_findInventory),
OPCODE(o6_getInventoryCount),
/* 94 */
OPCODE(o6_getVerbFromXY),
OPCODE(o6_beginOverride),
OPCODE(o6_endOverride),
OPCODE(o6_setObjectName),
/* 98 */
OPCODE(o6_isSoundRunning),
OPCODE(o6_setBoxFlags),
OPCODE(o6_invalid),
OPCODE(o70_resourceRoutines),
/* 9C */
OPCODE(o60_roomOps),
OPCODE(o60_actorOps),
OPCODE(o6_verbOps),
OPCODE(o6_getActorFromXY),
/* A0 */
OPCODE(o70_findObject),
OPCODE(o6_pseudoRoom),
OPCODE(o6_getActorElevation),
OPCODE(o6_getVerbEntrypoint),
/* A4 */
OPCODE(o6_arrayOps),
OPCODE(o6_saveRestoreVerbs),
OPCODE(o6_drawBox),
OPCODE(o6_pop),
/* A8 */
OPCODE(o6_getActorWidth),
OPCODE(o60_wait),
OPCODE(o6_getActorScaleX),
OPCODE(o6_getActorAnimCounter1),
/* AC */
OPCODE(o6_invalid),
OPCODE(o6_isAnyOf),
OPCODE(o70_quitPauseRestart),
OPCODE(o6_isActorInBox),
/* B0 */
OPCODE(o6_delay),
OPCODE(o6_delaySeconds),
OPCODE(o6_delayMinutes),
OPCODE(o6_stopSentence),
/* B4 */
OPCODE(o6_printLine),
OPCODE(o6_printCursor),
OPCODE(o6_printDebug),
OPCODE(o6_printSystem),
/* B8 */
OPCODE(o6_printActor),
OPCODE(o6_printEgo),
OPCODE(o6_talkActor),
OPCODE(o6_talkEgo),
/* BC */
OPCODE(o6_dimArray),
OPCODE(o6_stopObjectCode),
OPCODE(o6_startObjectQuick),
OPCODE(o6_startScriptQuick2),
/* C0 */
OPCODE(o6_dim2dimArray),
OPCODE(o6_invalid),
OPCODE(o6_invalid),
OPCODE(o6_invalid),
/* C4 */
OPCODE(o6_abs),
OPCODE(o6_distObjectObject),
OPCODE(o6_distObjectPt),
OPCODE(o6_distPtPt),
/* C8 */
OPCODE(o60_kernelGetFunctions),
OPCODE(o70_kernelSetFunctions),
OPCODE(o6_delayFrames),
OPCODE(o6_pickOneOf),
/* CC */
OPCODE(o6_pickOneOfDefault),
OPCODE(o6_stampObject),
OPCODE(o6_invalid),
OPCODE(o6_invalid),
/* D0 */
OPCODE(o6_getDateTime),
OPCODE(o6_stopTalking),
OPCODE(o6_getAnimateVariable),
OPCODE(o6_invalid),
/* D4 */
OPCODE(o6_shuffle),
OPCODE(o6_jumpToScript),
OPCODE(o6_band),
OPCODE(o6_bor),
/* D8 */
OPCODE(o6_isRoomScriptRunning),
OPCODE(o60_closeFile),
OPCODE(o60_openFile),
OPCODE(o60_readFile),
/* DC */
OPCODE(o60_writeFile),
OPCODE(o6_findAllObjects),
OPCODE(o60_deleteFile),
OPCODE(o60_rename),
/* E0 */
OPCODE(o60_soundOps),
OPCODE(o6_getPixel),
OPCODE(o60_localizeArrayToScript),
OPCODE(o6_pickVarRandom),
/* E4 */
OPCODE(o6_setBoxSet),
OPCODE(o6_invalid),
OPCODE(o6_invalid),
OPCODE(o6_invalid),
/* E8 */
OPCODE(o6_invalid),
OPCODE(o60_seekFilePos),
OPCODE(o60_redimArray),
OPCODE(o60_readFilePos),
/* EC */
OPCODE(o70_copyString),
OPCODE(o70_getStringWidth),
OPCODE(o70_getStringLen),
OPCODE(o70_appendString),
/* F0 */
OPCODE(o70_concatString),
OPCODE(o70_compareString),
OPCODE(o6_invalid),
OPCODE(o70_readINI),
/* F4 */
OPCODE(o70_writeINI),
OPCODE(o70_getStringLenForWidth),
OPCODE(o70_getCharIndexInString),
OPCODE(o6_invalid),
/* F8 */
OPCODE(o6_invalid),
OPCODE(o70_setFilePath),
OPCODE(o70_setWindowCaption),
OPCODE(o70_polygonOps),
/* FC */
OPCODE(o70_polygonHit),
OPCODE(o6_invalid),
OPCODE(o6_invalid),
OPCODE(o6_invalid),
};
_opcodesv70he = opcodes;
}
void ScummEngine_v70he::executeOpcode(byte i) {
OpcodeProcv70he op = _opcodesv70he[i].proc;
(this->*op) ();
}
const char *ScummEngine_v70he::getOpcodeDesc(byte i) {
return _opcodesv70he[i].desc;
}
int ScummEngine_v70he::getStringCharWidth(byte chr) {
int charset = _string[0]._default.charset;
byte *ptr = getResourceAddress(rtCharset, charset);
if (ptr == 0)
error("getStringCharWidth::charset %d not found!", charset);
ptr += 29;
int spacing = 0;
int offs = READ_LE_UINT32(ptr + chr * 4 + 4);
if (offs) {
spacing = ptr[offs] + (signed char)ptr[offs + 2];
}
return spacing;
}
int ScummEngine_v70he::setupStringArray(int size) {
writeVar(0, 0);
defineArray(0, kStringArray, 0, size + 1);
writeArray(0, 0, 0, 0);
return readVar(0);
}
void ScummEngine_v70he::appendSubstring(int dst, int src, int srcOffs, int len) {
int dstOffs, value;
int i = 0;
if (len == -1) {
len = resStrLen(getStringAddress(src));
srcOffs = 0;
}
dstOffs = resStrLen(getStringAddress(dst));
len -= srcOffs;
len++;
while (i < len) {
writeVar(0, src);
value = readArray(0, 0, srcOffs + i);
writeVar(0, dst);
writeArray(0, 0, dstOffs + i, value);
i++;
}
writeArray(0, 0, dstOffs + i, 0);
}
int ScummEngine_v70he::findObject(int x, int y, int num, int *args) {
int i, b, result;
int cond, cls, tmp;
byte a;
const int mask = 0xF;
for (i = 1; i < _numLocalObjects; i++) {
result = 0;
if ((_objs[i].obj_nr < 1) || getClass(_objs[i].obj_nr, kObjectClassUntouchable))
continue;
// Check polygon bounds
if (_wiz.polygonDefined(_objs[i].obj_nr)) {
if (_wiz.polygonHit(_objs[i].obj_nr, x, y) != 0)
result = _objs[i].obj_nr;
else if (VAR_POLYGONS_ONLY != 0xFF && VAR(VAR_POLYGONS_ONLY))
continue;
}
if (!result) {
// Check object bounds
b = i;
do {
a = _objs[b].parentstate;
b = _objs[b].parent;
if (b == 0) {
if (_objs[i].x_pos <= x && _objs[i].width + _objs[i].x_pos > x &&
_objs[i].y_pos <= y && _objs[i].height + _objs[i].y_pos > y)
result = _objs[i].obj_nr;
break;
}
} while ((_objs[b].state & mask) == a);
}
if (result) {
if (!num)
return result;
// Check object class
cond = 1;
tmp = num;
while (--tmp >= 0) {
cls = args[tmp];
b = getClass(i, cls);
if ((cls & 0x80 && !b) || (!(cls & 0x80) && b))
cond = 0;
}
if (cond)
return result;
}
}
return 0;
}
void ScummEngine_v70he::o70_startSound() {
byte subOp = fetchScriptByte();
switch (subOp) {
case 9:
_heSndFlags |= 4;
break;
case 23:
{
int value = pop();
int var = pop();
int snd = pop();
debug(1,"o70_startSound: case 29 (snd %d, var %d, value %d)", snd, var, value);
}
break;
case 56:
_heSndFlags |= 2;
break;
case 164:
_heSndFlags |= 2;
break;
case 224:
_heSndSoundFreq = pop();
break;
case 230:
_heSndChannel = pop();
break;
case 231:
_heSndOffset = pop();
break;
case 232:
_heSndSoundId = pop();
_heSndOffset = 0;
_heSndSoundFreq = 11025;
_heSndChannel = VAR(VAR_MUSIC_CHANNEL);
break;
case 245:
_heSndFlags |= 1;
break;
case 255:
debug(1, "o70_startSound (ID %d, Offset %d, Channel %d, Flags %d)", _heSndSoundId, _heSndOffset, _heSndChannel, _heSndFlags);
_sound->addSoundToQueue(_heSndSoundId, _heSndOffset, _heSndChannel, _heSndFlags);
_heSndFlags = 0;
break;
default:
error("o70_startSound invalid case %d", subOp);
}
}
void ScummEngine_v70he::o70_pickupObject() {
int obj, room;
room = pop();
obj = pop();
if (room == 0)
room = getObjectRoom(obj);
addObjectToInventory(obj, room);
putOwner(obj, VAR(VAR_EGO));
if (_heversion <= 70) {
putClass(obj, kObjectClassUntouchable, 1);
putState(obj, 1);
markObjectRectAsDirty(obj);
clearDrawObjectQueue();
}
runInventoryScript(obj); /* Difference */
}
void ScummEngine_v70he::o70_getActorRoom() {
int act = pop();
if (act < _numActors) {
Actor *a = derefActor(act, "o70_getActorRoom");
push(a->_room);
} else
push(getObjectRoom(act));
}
void ScummEngine_v70he::o70_resourceRoutines() {
int resid, op;
op = fetchScriptByte();
switch (op) {
case 100: // SO_LOAD_SCRIPT
resid = pop();
ensureResourceLoaded(rtScript, resid);
break;
case 101: // SO_LOAD_SOUND
resid = pop();
ensureResourceLoaded(rtSound, resid);
break;
case 102: // SO_LOAD_COSTUME
resid = pop();
ensureResourceLoaded(rtCostume, resid);
break;
case 103: // SO_LOAD_ROOM
resid = pop();
ensureResourceLoaded(rtRoom, resid);
break;
case 104: // SO_NUKE_SCRIPT
resid = pop();
setResourceCounter(rtScript, resid, 0x7F);
break;
case 105: // SO_NUKE_SOUND
resid = pop();
setResourceCounter(rtSound, resid, 0x7F);
break;
case 106: // SO_NUKE_COSTUME
resid = pop();
setResourceCounter(rtCostume, resid, 0x7F);
break;
case 107: // SO_NUKE_ROOM
resid = pop();
setResourceCounter(rtRoom, resid, 0x7F);
break;
case 108: // SO_LOCK_SCRIPT
resid = pop();
if (resid >= _numGlobalScripts)
break;
lock(rtScript, resid);
break;
case 109: // SO_LOCK_SOUND
resid = pop();
lock(rtSound, resid);
break;
case 110: // SO_LOCK_COSTUME
resid = pop();
lock(rtCostume, resid);
break;
case 111: // SO_LOCK_ROOM
resid = pop();
if (resid > 0x7F)
resid = _resourceMapper[resid & 0x7F];
lock(rtRoom, resid);
break;
case 112: // SO_UNLOCK_SCRIPT
resid = pop();
if (resid >= _numGlobalScripts)
break;
unlock(rtScript, resid);
break;
case 113: // SO_UNLOCK_SOUND
resid = pop();
unlock(rtSound, resid);
break;
case 114: // SO_UNLOCK_COSTUME
resid = pop();
unlock(rtCostume, resid);
break;
case 115: // SO_UNLOCK_ROOM
resid = pop();
if (resid > 0x7F)
resid = _resourceMapper[resid & 0x7F];
unlock(rtRoom, resid);
break;
case 116:
break;
case 117: // SO_LOAD_CHARSET
resid = pop();
loadCharset(resid);
break;
case 118: // SO_NUKE_CHARSET
resid = pop();
nukeCharset(resid);
break;
case 119: // SO_LOAD_OBJECT
{
int room, obj = popRoomAndObj(&room);
loadFlObject(obj, room);
break;
}
case 120: /* queue for load */
case 121:
case 122:
case 123:
case 203:
debug(5,"stub queueload (%d) resource %d", op, pop());
break;
case 159:
resid = pop();
unlock(rtImage, resid);
break;
case 192:
resid = pop();
nukeResource(rtImage, resid);
break;
case 201:
resid = pop();
ensureResourceLoaded(rtImage, resid);
break;
case 202:
resid = pop();
lock(rtImage, resid);
break;
case 233:
resid = pop();
debug(5,"stub o70_resourceRoutines lock object %d", resid);
break;
case 235:
resid = pop();
debug(5,"stub o70_resourceRoutines unlock object %d", resid);
break;
case 239:
// Used in airport
break;
default:
debug(1,"o70_resourceRoutines: default case %d", op);
}
}
void ScummEngine_v70he::o70_findObject() {
int y = pop();
int x = pop();
int r = findObject(x, y, 0, 0);
push(r);
}
void ScummEngine_v70he::o70_quitPauseRestart() {
byte subOp = fetchScriptByte();
int par1;
switch (subOp) {
case 22: // HE80+
clearDrawObjectQueue();
break;
case 26: // HE80+
// Clear screen
// Update palette
break;
case 158: // SO_RESTART
restart();
break;
case 160:
// FIXME: check
shutDown();
break;
case 250:
par1 = pop();
warning("stub: o70_quitPauseRestart subOpcode %d", subOp);
break;
case 253:
par1 = pop();
warning("stub: o70_quitPauseRestart subOpcode %d", subOp);
case 244: // SO_QUIT
shutDown();
break;
case 251:
case 252:
warning("stub: o70_quitPauseRestart subOpcode %d", subOp);
break;
default:
warning("o70_quitPauseRestart invalid case %d", subOp);
}
}
void ScummEngine_v70he::o70_copyString() {
int dst, size;
int src = pop();
size = resStrLen(getStringAddress(src)) + 1;
dst = setupStringArray(size);
appendSubstring(dst, src, -1, -1);
push(dst);
debug(1,"o70_copyString");
}
void ScummEngine_v70he::o70_getStringWidth() {
int array, pos, len;
int chr, width = 0;
len = pop();
pos = pop();
array = pop();
if (len == -1) {
pos = 0;
len = resStrLen(getStringAddress(array));
}
writeVar(0, array);
while (pos <= len) {
chr = readArray(0, 0, pos);
if (chr == 0)
break;
width += getStringCharWidth(chr);
pos++;
}
push(width);
debug(1,"o70_getStringWidth (%d)", width);
}
void ScummEngine_v70he::o70_kernelSetFunctions() {
int args[29];
int num;
Actor *a;
num = getStackList(args, ARRAYSIZE(args));
debug(1, "o70_kernelSetFunctions: case %d (param count %d)", args[0], num);
switch (args[0]) {
case 1:
// Used to restore images when decorating cake in
// Fatty Bear's Birthday Surprise
virtScreenLoad(args[1], args[2], args[3], args[4], args[5]);
break;
case 20: // HE72+
a = derefActor(args[1], "o70_kernelSetFunctions: 20");
queueAuxBlock(a);
break;
case 21:
_skipDrawObject = 1;
break;
case 22:
_skipDrawObject = 0;
break;
case 23:
_charset->clearCharsetMask();
_fullRedraw = 1;
break;
case 24:
_skipProcessActors = 1;
_fullRedraw = 1;
break;
case 25:
_skipProcessActors = 0;
_fullRedraw = 1;
break;
case 30:
a = derefActor(args[1], "o70_kernelSetFunctions: 30");
a->_clipOverride.bottom = args[2];
break;
case 42:
// drawWizImage related
warning("o70_kernelSetFunctions: unhandled case 42");
break;
case 43:
// drawWizImage related
warning("o70_kernelSetFunctions: unhandled case 43");
break;
case 714:
break;
case 2001:
// Used in SoccerMLS/Soccer2004
warning("o70_kernelSetFunctions: unhandled case 2001");
break;
default:
error("o70_kernelSetFunctions: default case %d (param count %d)", args[0], num);
}
}
void ScummEngine_v70he::o70_getStringLen() {
int id, len;
byte *addr;
id = pop();
addr = getStringAddress(id);
if (!addr)
error("o70_getStringLen: Reference to zeroed array pointer (%d)", id);
len = resStrLen(getStringAddress(id));
push(len);
}
void ScummEngine_v70he::o70_appendString() {
int dst, size;
int len = pop();
int srcOffs = pop();
int src = pop();
size = len - srcOffs + 2;
dst = setupStringArray(size);
appendSubstring(dst, src, srcOffs, len);
push(dst);
debug(1,"o70_appendString");
}
void ScummEngine_v70he::o70_concatString() {
int dst, size;
int src2 = pop();
int src1 = pop();
size = resStrLen(getStringAddress(src1));
size += resStrLen(getStringAddress(src2)) + 1;
dst = setupStringArray(size);
appendSubstring(dst, src1, 0, -1);
appendSubstring(dst, src2, 0, -1);
push(dst);
debug(1,"o70_concatString");
}
void ScummEngine_v70he::o70_compareString() {
int result;
int array1 = pop();
int array2 = pop();
byte *string1 = getStringAddress(array1);
if (!string1)
error("o70_compareString: Reference to zeroed array pointer (%d)", array1);
byte *string2 = getStringAddress(array2);
if (!string2)
error("o70_compareString: Reference to zeroed array pointer (%d)", array2);
while (*string1 == *string2) {
if (*string2 == 0) {
push(0);
return;
}
string1++;
string2++;
}
result = (*string1 > *string2) ? -1 : 1;
push(result);
debug(1,"o70_compareString (%d, %d, %d)", array1, array2, result);
}
void ScummEngine_v70he::o70_readINI() {
int len;
int type;
byte option[256];
// we pretend that we don't have .ini file
addMessageToStack(_scriptPointer, option, sizeof(option));
len = resStrLen(_scriptPointer);
_scriptPointer += len + 1;
type = pop();
switch (type) {
case 1: // number
if (!strcmp((char *)option, "NoPrinting"))
push(1);
else
push(0);
break;
case 2: // string
writeVar(0, 0);
defineArray(0, kStringArray, 0, 0);
writeArray(0, 0, 0, 0);
push(readVar(0)); // var ID string
break;
default:
error("o70_readINI: default type %d", type);
}
}
void ScummEngine_v70he::o70_writeINI() {
int type, value;
byte option[256], option2[256];
int len;
type = pop();
value = pop();
addMessageToStack(_scriptPointer, option, sizeof(option));
len = resStrLen(_scriptPointer);
_scriptPointer += len + 1;
switch (type) {
case 1: // number
debug(1, "o70_writeINI: %s set to %d", option, value);
break;
case 2: // string
addMessageToStack(_scriptPointer, option2, sizeof(option2));
len = resStrLen(_scriptPointer);
_scriptPointer += len + 1;
debug(1, "o70_writeINI: %s set to %s", option, option2);
break;
default:
error("o70_writeINI: default type %d", type);
}
}
void ScummEngine_v70he::o70_getStringLenForWidth() {
int chr, max;
int array, len, pos, width = 0;
max = pop();
pos = pop();
array = pop();
len = resStrLen(getStringAddress(array));
writeVar(0, array);
while (pos <= len) {
chr = readArray(0, 0, pos);
width += getStringCharWidth(chr);
if (width >= max) {
push(pos);
return;
}
pos++;
}
push(len);
debug(1,"o70_getStringLenForWidth (%d)", len);
}
void ScummEngine_v70he::o70_getCharIndexInString() {
int array, end, len, pos, value;
value = pop();
end = pop();
pos = pop();
array = pop();
if (end >= 0) {
len = resStrLen(getStringAddress(array));
if (len < end)
end = len;
} else {
end = 0;
}
if (pos < 0)
pos = 0;
writeVar(0, array);
if (end > pos) {
while (end >= pos) {
if (readArray(0, 0, pos) == value) {
push(pos);
return;
}
pos++;
}
} else {
while (end <= pos) {
if (readArray(0, 0, pos) == value) {
push(pos);
return;
}
pos--;
}
}
push(-1);
debug(1,"o70_getCharIndexInString");
}
void ScummEngine_v70he::o70_setFilePath() {
// File related
int len;
byte filename[100];
addMessageToStack(_scriptPointer, filename, sizeof(filename));
len = resStrLen(_scriptPointer);
_scriptPointer += len + 1;
debug(1,"stub o70_setFilePath(%s)", filename);
}
void ScummEngine_v70he::o70_setWindowCaption() {
int num = fetchScriptByte();
int len = resStrLen(_scriptPointer);
debug(1,"stub o70_setWindowCaption(%d, \"%s\")", num, _scriptPointer);
_scriptPointer += len + 1;
}
void ScummEngine_v70he::o70_polygonOps() {
int vert1x, vert1y, vert2x, vert2y, vert3x, vert3y, vert4x, vert4y;
int id;
int fromId, toId;
byte subOp = fetchScriptByte();
switch (subOp) {
case 68: // HE 100
case 69: // HE 100
case 246:
case 248:
vert4y = pop();
vert4x = pop();
vert3y = pop();
vert3x = pop();
vert2y = pop();
vert2x = pop();
vert1y = pop();
vert1x = pop();
id = pop();
_wiz.polygonStore(id, (subOp == 69 || subOp == 248), vert1x, vert1y, vert2x, vert2y, vert3x, vert3y, vert4x, vert4y);
break;
case 28: // HE 100
case 247:
toId = pop();
fromId = pop();
_wiz.polygonErase(fromId, toId);
break;
default:
error("o70_polygonOps: default case %d", subOp);
}
}
void ScummEngine_v70he::o70_polygonHit() {
int y = pop();
int x = pop();
push(_wiz.polygonHit(0, x, y));
}
} // End of namespace Scumm