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scummvm/scumm/script_v7he.cpp
Travis Howell 042d59acb2 Add missing cases 
svn-id: r15220
2004-09-21 12:08:02 +00:00

1040 lines
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/* ScummVM - Scumm Interpreter
* Copyright (C) 2001 Ludvig Strigeus
* Copyright (C) 2001-2004 The ScummVM project
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* $Header$
*
*/
#include "stdafx.h"
#include "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"
#include "scumm/smush/smush_player.h"
#include "sound/mididrv.h"
#include "sound/mixer.h"
namespace Scumm {
#define OPCODE(x) { &ScummEngine_v70he::x, #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(o6_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_localizeArray),
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(o6_invalid),
OPCODE(o70_unknownED),
OPCODE(o70_stringLen),
OPCODE(o70_unknownEF),
/* F0 */
OPCODE(o6_invalid),
OPCODE(o6_invalid),
OPCODE(o6_invalid),
OPCODE(o70_readINI),
/* F4 */
OPCODE(o70_writeINI),
OPCODE(o70_unknownF5),
OPCODE(o70_unknownF6),
OPCODE(o6_invalid),
/* F8 */
OPCODE(o6_invalid),
OPCODE(o70_setFilePath),
OPCODE(o70_unknownFA),
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;
}
void ScummEngine_v70he::arrrays_unk2(int dst, int src, int len2, int len) {
int edi, value;
int i = 0;
if (len == -1) {
len = resStrLen(getStringAddress(src));
len2 = 0;
}
edi = resStrLen(getStringAddress(dst));
len -= len2;
len++;
while (i < len) {
writeVar(0, src);
value = readArray(0, 0, len2 + i);
writeVar(0, dst);
writeArray(0, 0, edi + i, value);
i++;
}
writeArray(0, 0, edi + i, 0);
}
void ScummEngine_v70he::o70_startSound() {
byte op;
op = fetchScriptByte();
switch (op) {
case 9:
_heSndLoop |= 4;
break;
case 23:
debug(1,"o70_startSound: case 29 (%d, %d, %d)", pop(), pop(), pop());
break;
case 56:
_heSndLoop |= 2;
break;
case 164:
_heSndLoop |= 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:
_heSndLoop |= 1;
break;
case 255:
// _sound->addSoundToQueue(_heSndSoundId, _heSndOffset, _heSndChannel, _heSndLoop);
_sound->addSoundToQueue(_heSndSoundId, _heSndOffset);
debug(2, "o70_startSound stub (%d, %d, %d, %d)", _heSndSoundId, _heSndOffset, _heSndChannel, _heSndLoop);
_heSndLoop = 0;
break;
default:
error("o70_startSound invalid case %d", op);
}
}
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;
default:
debug(1,"o70_resourceRoutines: default case %d", op);
}
}
void ScummEngine_v70he::o70_quitPauseRestart() {
byte subOp = fetchScriptByte();
int par1;
switch (subOp & 0xff) {
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_unknownED() {
int array, pos, len;
int chr, result = 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);
result += _charset->getCharWidth(chr);
pos++;
}
push(result);
debug(1,"stub o70_unknownED");
}
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
break;
case 43:
// drawWizImage related
break;
case 714:
break;
default:
error("o70_kernelSetFunctions: default case %d (param count %d)", args[0], num);
}
}
void ScummEngine_v70he::o70_stringLen() {
int id, len;
byte *addr;
id = pop();
addr = getStringAddress(id);
if (!addr)
error("o70_stringLen: Reference to zeroed array pointer (%d)", id);
len = resStrLen(getStringAddress(id));
push(len);
}
void ScummEngine_v70he::o70_unknownEF() {
int dst, size;
int b = pop();
int a = pop();
int src = pop();
size = b - a + 2;
writeVar(0, 0);
defineArray(0, kStringArray, 0, size);
writeArray(0, 0, 0, 0);
dst = readVar(0);
arrrays_unk2(dst, src, a, b);
push(dst);
debug(1,"stub o70_unknownEF");
}
void ScummEngine_v70he::o70_readINI() {
int len;
int type;
int retval;
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, "ReadPagesAutomatically"))
push(1);
else if (!strcmp((char *)option, "NoPrinting"))
push(1);
else
push(0);
break;
case 2: // string
writeVar(0, 0);
defineArray(0, kStringArray, 0, 0);
retval = readVar(0);
writeArray(0, 0, 0, 0);
push(retval); // 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_unknownF5() {
int chr, max;
int array, len, pos, result = 0;
max = pop();
pos = pop();
array = pop();
len = resStrLen(getStringAddress(array));
writeVar(0, array);
while (pos <= len) {
chr = readArray(0, 0, pos);
result += _charset->getCharWidth(chr);
if (result >= max) {
push(pos);
return;
}
pos++;
}
push(len);
debug(1,"stub o70_unknownF5 (%d)", result);
}
void ScummEngine_v70he::o70_unknownF6() {
int len, edi, pos, value, id;
value = pop();
edi = pop();
pos = pop();
id = pop();
if (edi >= 0) {
len = resStrLen(getStringAddress(id));
if (len < edi)
edi = len;
} else {
edi = 0;
}
if (pos < 0)
pos = 0;
writeVar(0, id);
if (edi > pos) {
while (edi >= pos) {
if (readArray(0, 0, pos) == value) {
push(pos);
return;
}
pos++;
}
} else {
while (edi <= pos) {
if (readArray(0, 0, pos) == value) {
push(pos);
return;
}
pos--;
}
}
push(-1);
debug(1,"stub o70_unknownF6");
}
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_unknownFA() {
int num = fetchScriptByte();
int len = resStrLen(_scriptPointer);
debug(1,"stub o70_unknownFA(%d, \"%s\")", num, _scriptPointer);
_scriptPointer += len + 1;
}
void ScummEngine_v70he::o70_polygonOps() {
byte b;
b = fetchScriptByte();
int vert1x, vert1y, vert2x, vert2y, vert3x, vert3y, vert4x, vert4y;
int id;
int fromId, toId;
switch (b) {
case 246:
case 248:
vert4y = pop();
vert4x = pop();
vert3y = pop();
vert3x = pop();
vert2y = pop();
vert2x = pop();
vert1y = pop();
vert1x = pop();
id = pop();
polygonStore(id, (b == 248), vert1x, vert1y, vert2x, vert2y, vert3x, vert3y,
vert4x, vert4y);
break;
case 247:
toId = pop();
fromId = pop();
polygonErase(fromId, toId);
break;
}
}
void ScummEngine::polygonStore(int id, bool flag, int vert1x, int vert1y, int vert2x,
int vert2y, int vert3x, int vert3y, int vert4x, int vert4y) {
int i;
for (i = 0; i < _wizNumPolygons; i++)
if (_wizPolygons[i].id == 0)
break;
if (i == _wizNumPolygons) {
error("ScummEngine::polygonStore: out of polygon slot, max = %d",
_wizNumPolygons);
}
_wizPolygons[i].vert[0].x = vert1x;
_wizPolygons[i].vert[0].y = vert1y;
_wizPolygons[i].vert[1].x = vert2x;
_wizPolygons[i].vert[1].y = vert2y;
_wizPolygons[i].vert[2].x = vert3x;
_wizPolygons[i].vert[2].y = vert3y;
_wizPolygons[i].vert[3].x = vert4x;
_wizPolygons[i].vert[3].y = vert4y;
_wizPolygons[i].vert[4].x = vert1x;
_wizPolygons[i].vert[4].y = vert1y;
_wizPolygons[i].id = id;
_wizPolygons[i].numVerts = 5;
_wizPolygons[i].flag = flag;
_wizPolygons[i].bound.left = 10000;
_wizPolygons[i].bound.top = 10000;
_wizPolygons[i].bound.right = -10000;
_wizPolygons[i].bound.bottom = -10000;
for (int j = 0; j < 5; j++) {
_wizPolygons[i].bound.left = MIN(_wizPolygons[i].bound.left, _wizPolygons[i].vert[j].x);
_wizPolygons[i].bound.top = MIN(_wizPolygons[i].bound.top, _wizPolygons[i].vert[j].y);
_wizPolygons[i].bound.right = MAX(_wizPolygons[i].bound.right, _wizPolygons[i].vert[j].x);
_wizPolygons[i].bound.bottom = MAX(_wizPolygons[i].bound.bottom, _wizPolygons[i].vert[j].y);
}
}
void ScummEngine_v70he::polygonErase(int fromId, int toId) {
for (int i = 0; i < _wizNumPolygons; i++) {
if (_wizPolygons[i].id >= fromId && _wizPolygons[i].id <= toId)
memset(&_wizPolygons[i], 0, sizeof(WizPolygon));
}
}
void ScummEngine_v70he::o70_polygonHit() {
int y = pop();
int x = pop();
push(polygonHit(0, x, y));
}
int ScummEngine_v70he::polygonHit(int id, int x, int y) {
for (int i = 0; i < _wizNumPolygons; i++) {
if ((!id || _wizPolygons[i].id == id) && _wizPolygons[i].bound.contains(x, y)) {
if (polygonContains(_wizPolygons[i], x, y)) {
return _wizPolygons[i].id;
}
}
}
return 0;
}
bool ScummEngine_v70he::polygonDefined(int id) {
for (int i = 0; i < _wizNumPolygons; i++)
if (_wizPolygons[i].id == id)
return true;
return false;
}
bool ScummEngine_v70he::polygonContains(WizPolygon &pol, int x, int y) {
int pi = pol.numVerts - 1;
bool diry = (y < pol.vert[pi].y);
bool curdir;
bool r = false;
for (int i = 0; i < pol.numVerts; i++) {
curdir = (y <= pol.vert[i].y);
if (curdir != diry) {
if (((pol.vert[pi].y - pol.vert[i].y) * (pol.vert[i].x - x) <=
(pol.vert[pi].x - pol.vert[i].x) * (pol.vert[i].y - y)) == diry)
r = !r;
}
pi = i;
diry = curdir;
}
return r;
}
} // End of namespace Scumm
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