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scummvm/scumm/costume.cpp

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/* ScummVM - Scumm Interpreter
* Copyright (C) 2001 Ludvig Strigeus
* Copyright (C) 2001-2003 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 "costume.h"
#include "scumm/sound.h"
const byte revBitMask[8] = { 0x80, 0x40, 0x20, 0x10, 0x08, 0x04, 0x02, 0x01 };
const byte cost_scaleTable[256] = {
0xFF, 0xFD, 0x7D, 0xBD, 0x3D, 0xDD, 0x5D, 0x9D,
0x1D, 0xED, 0x6D, 0xAD, 0x2D, 0xCD, 0x4D, 0x8D,
0x0D, 0xF5, 0x75, 0xB5, 0x35, 0xD5, 0x55, 0x95,
0x15, 0xE5, 0x65, 0xA5, 0x25, 0xC5, 0x45, 0x85,
0x05, 0xF9, 0x79, 0xB9, 0x39, 0xD9, 0x59, 0x99,
0x19, 0xE9, 0x69, 0xA9, 0x29, 0xC9, 0x49, 0x89,
0x09, 0xF1, 0x71, 0xB1, 0x31, 0xD1, 0x51, 0x91,
0x11, 0xE1, 0x61, 0xA1, 0x21, 0xC1, 0x41, 0x81,
0x01, 0xFB, 0x7B, 0xBB, 0x3B, 0xDB, 0x5B, 0x9B,
0x1B, 0xEB, 0x6B, 0xAB, 0x2B, 0xCB, 0x4B, 0x8B,
0x0B, 0xF3, 0x73, 0xB3, 0x33, 0xD3, 0x53, 0x93,
0x13, 0xE3, 0x63, 0xA3, 0x23, 0xC3, 0x43, 0x83,
0x03, 0xF7, 0x77, 0xB7, 0x37, 0xD7, 0x57, 0x97,
0x17, 0xE7, 0x67, 0xA7, 0x27, 0xC7, 0x47, 0x87,
0x07, 0xEF, 0x6F, 0xAF, 0x2F, 0xCF, 0x4F, 0x8F,
0x0F, 0xDF, 0x5F, 0x9F, 0x1F, 0xBF, 0x3F, 0x7F,
0x00, 0x80, 0x40, 0xC0, 0x20, 0xA0, 0x60, 0xE0,
0x10, 0x90, 0x50, 0xD0, 0x30, 0xB0, 0x70, 0xF0,
0x08, 0x88, 0x48, 0xC8, 0x28, 0xA8, 0x68, 0xE8,
0x18, 0x98, 0x58, 0xD8, 0x38, 0xB8, 0x78, 0xF8,
0x04, 0x84, 0x44, 0xC4, 0x24, 0xA4, 0x64, 0xE4,
0x14, 0x94, 0x54, 0xD4, 0x34, 0xB4, 0x74, 0xF4,
0x0C, 0x8C, 0x4C, 0xCC, 0x2C, 0xAC, 0x6C, 0xEC,
0x1C, 0x9C, 0x5C, 0xDC, 0x3C, 0xBC, 0x7C, 0xFC,
0x02, 0x82, 0x42, 0xC2, 0x22, 0xA2, 0x62, 0xE2,
0x12, 0x92, 0x52, 0xD2, 0x32, 0xB2, 0x72, 0xF2,
0x0A, 0x8A, 0x4A, 0xCA, 0x2A, 0xAA, 0x6A, 0xEA,
0x1A, 0x9A, 0x5A, 0xDA, 0x3A, 0xBA, 0x7A, 0xFA,
0x06, 0x86, 0x46, 0xC6, 0x26, 0xA6, 0x66, 0xE6,
0x16, 0x96, 0x56, 0xD6, 0x36, 0xB6, 0x76, 0xF6,
0x0E, 0x8E, 0x4E, 0xCE, 0x2E, 0xAE, 0x6E, 0xEE,
0x1E, 0x9E, 0x5E, 0xDE, 0x3E, 0xBE, 0x7E, 0xFE
};
byte CostumeRenderer::mainRoutine(int xmoveCur, int ymoveCur) {
int i, skip;
byte drawFlag = 1;
uint scal;
bool use_scaling;
byte startScaleIndexX;
int ex1, ex2;
int y_top, y_bottom;
int x_left, x_right;
int step;
CHECK_HEAP
v1.scaletable = cost_scaleTable;
if (_loaded._numColors == 32) {
v1.mask = 7;
v1.shr = 3;
} else {
v1.mask = 0xF;
v1.shr = 4;
}
switch (_loaded._format) {
case 0x60:
case 0x61:
// This format is used e.g. in the Sam&Max intro
ex1 = _srcptr[0];
ex2 = _srcptr[1];
_srcptr += 2;
if (ex1 != 0xFF || ex2 != 0xFF) {
ex1 = READ_LE_UINT16(_loaded._frameOffsets + ex1 * 2);
_srcptr = _loaded._baseptr + READ_LE_UINT16(_loaded._baseptr + ex1 + ex2 * 2) + 14;
}
}
v1.x = _actorX;
v1.y = _actorY;
use_scaling = (_scaleX != 0xFF) || (_scaleY != 0xFF);
skip = 0;
if (use_scaling) {
v1.scaleXstep = -1;
if (xmoveCur < 0) {
xmoveCur = -xmoveCur;
v1.scaleXstep = 1;
}
if (_mirror) {
startScaleIndexX = _scaleIndexX = 128 - xmoveCur;
for (i = 0; i < xmoveCur; i++) {
if (cost_scaleTable[_scaleIndexX++] < _scaleX)
v1.x -= v1.scaleXstep;
}
x_right = x_left = v1.x;
_scaleIndexX = startScaleIndexX;
for (i = 0; i < _width; i++) {
if (x_right < 0) {
skip++;
startScaleIndexX = _scaleIndexX;
}
scal = cost_scaleTable[_scaleIndexX++];
if (scal < _scaleX)
x_right++;
}
} else {
startScaleIndexX = _scaleIndexX = xmoveCur + 128;
for (i = 0; i < xmoveCur; i++) {
scal = cost_scaleTable[_scaleIndexX--];
if (scal < _scaleX)
v1.x += v1.scaleXstep;
}
x_right = x_left = v1.x;
_scaleIndexX = startScaleIndexX;
for (i = 0; i < _width; i++) {
if (x_left > (_vm->_screenWidth - 1)) {
skip++;
startScaleIndexX = _scaleIndexX;
}
scal = cost_scaleTable[_scaleIndexX--];
if (scal < _scaleX)
x_left--;
}
}
_scaleIndexX = startScaleIndexX;
if (skip)
skip--;
step = -1;
if (ymoveCur < 0) {
ymoveCur = -ymoveCur;
step = 1;
}
_scaleIndexY = 128 - ymoveCur;
for (i = 0; i < ymoveCur; i++) {
scal = cost_scaleTable[_scaleIndexY++];
if (scal < _scaleY)
v1.y -= step;
}
y_top = y_bottom = v1.y;
_scaleIndexY = 128 - ymoveCur;
for (i = 0; i < _height; i++) {
scal = cost_scaleTable[_scaleIndexY++];
if (scal < _scaleY)
y_bottom++;
}
_scaleIndexY = 128 - ymoveCur;
} else {
if (!_mirror)
xmoveCur = -xmoveCur;
v1.x += xmoveCur;
v1.y += ymoveCur;
if (_mirror) {
x_left = v1.x;
x_right = v1.x + _width;
} else {
x_left = v1.x - _width;
x_right = v1.x;
}
y_top = v1.y;
y_bottom = y_top + _height;
}
v1.skip_width = _width;
v1.scaleXstep = _mirror ? 1 : -1;
_vm->updateDirtyRect(0, x_left, x_right + 1, y_top, y_bottom, _dirty_id);
if (y_top >= (int)_outheight || y_bottom <= 0)
return 0;
if (x_left >= _vm->_screenWidth || x_right <= 0)
return 0;
v1.replen = 0;
if (_mirror) {
if (!use_scaling)
skip = -v1.x;
if (skip > 0) {
v1.skip_width -= skip;
if (_loaded._format == 0x57)
c64_ignorePakCols(skip);
else
codec1_ignorePakCols(skip);
v1.x = 0;
} else {
skip = x_right - _vm->_screenWidth;
if (skip <= 0) {
drawFlag = 2;
} else {
v1.skip_width -= skip;
}
}
} else {
if (!use_scaling)
skip = x_right - _vm->_screenWidth;
if (skip > 0) {
v1.skip_width -= skip;
if (_loaded._format == 0x57)
c64_ignorePakCols(skip);
else
codec1_ignorePakCols(skip);
v1.x = _vm->_screenWidth - 1;
} else {
skip = -1 - x_left;
if (skip <= 0)
drawFlag = 2;
else
v1.skip_width -= skip;
}
}
if (v1.skip_width <= 0)
return 0;
if (x_left < 0)
x_left = 0;
if ((uint) y_top > _outheight)
y_top = 0;
if ((uint) y_bottom > _outheight)
y_bottom = _outheight;
if (_draw_top > y_top)
_draw_top = y_top;
if (_draw_bottom < y_bottom)
_draw_bottom = y_bottom;
if (_height + y_top >= 256) {
CHECK_HEAP
return 2;
}
v1.destptr = _outptr + v1.y * _outwidth + v1.x;
v1.mask_ptr = _vm->getMaskBuffer(0, v1.y, 0);
v1.imgbufoffs = _vm->gdi._imgBufOffs[_zbuf];
CHECK_HEAP
if (_loaded._format == 0x57)
procC64();
else if (_vm->_features & GF_AMIGA && _vm->_version == 5)
proc3_ami();
else
proc3();
CHECK_HEAP
return drawFlag;
}
void CostumeRenderer::c64_ignorePakCols(int num) {
warning("c64_ignorePakCols(%d) - this needs testing", num);
// FIXME: A problem with this is that num can be a number
// not divisible by 8, e.g. c64_ignorePakCols(17) happens.
// We currently don't really deal with that. OTOH it seems
// in all cases the number was of the form 8n+1, e.g. 1, 9, 17
//
uint height = _height;
num >>= 3;
while (num > 0) {
v1.replen = *_srcptr++;
if (v1.replen & 0x80) {
v1.replen &= 0x7f;
v1.repcolor = *_srcptr++;
while (v1.replen--) {
if (!--height) {
if (!--num) {
v1.replen |= 0x80;
return;
}
height = _height;
}
}
} else {
while (v1.replen--) {
v1.repcolor = *_srcptr++;
if (!--height) {
if (!--num)
return;
height = _height;
}
}
}
}
}
void CostumeRenderer::procC64() {
const byte *src;
byte *dst;
byte len;
uint y, height;
byte color, pcolor;
bool rep;
y = v1.y;
src = _srcptr;
dst = v1.destptr;
len = v1.replen;
color = v1.repcolor;
height = _height;
// TODO:
// * figure out how to get the right colors/palette
// * test masking (once we implement any masking for V1 games)
const byte *palette = _vm->gdi._C64Colors;
// const byte palette[4] = { 0, 1, 2, 3 };
// const byte *palette = _palette;
v1.skip_width >>= 3;
if (len)
goto StartPos;
do {
len = *src++;
if (len & 0x80)
color = *src++;
StartPos:;
rep = (len & 0x80) != 0;
len &= 0x7f;
while (len--) {
if (!rep)
color = *src++;
if (y < _outheight) {
#define MASK_AT(xoff) (v1.mask_ptr && ((v1.mask_ptr[(v1.x+xoff) >> 3] | v1.mask_ptr[((v1.x+xoff) >> 3) + v1.imgbufoffs]) & revBitMask[(v1.x+xoff) & 7]))
if (!_mirror) {
pcolor = (color >> 0) & 3; if (pcolor) { if (!MASK_AT(0)) dst[0] = palette[pcolor]; if (!MASK_AT(1)) dst[1] = palette[pcolor]; }
pcolor = (color >> 2) & 3; if (pcolor) { if (!MASK_AT(2)) dst[2] = palette[pcolor]; if (!MASK_AT(3)) dst[3] = palette[pcolor]; }
pcolor = (color >> 4) & 3; if (pcolor) { if (!MASK_AT(4)) dst[4] = palette[pcolor]; if (!MASK_AT(5)) dst[5] = palette[pcolor]; }
pcolor = (color >> 6) & 3; if (pcolor) { if (!MASK_AT(6)) dst[6] = palette[pcolor]; if (!MASK_AT(7)) dst[7] = palette[pcolor]; }
} else {
pcolor = (color >> 6) & 3; if (pcolor) { if (!MASK_AT(0)) dst[0] = palette[pcolor]; if (!MASK_AT(1)) dst[1] = palette[pcolor]; }
pcolor = (color >> 4) & 3; if (pcolor) { if (!MASK_AT(2)) dst[2] = palette[pcolor]; if (!MASK_AT(3)) dst[3] = palette[pcolor]; }
pcolor = (color >> 2) & 3; if (pcolor) { if (!MASK_AT(4)) dst[4] = palette[pcolor]; if (!MASK_AT(5)) dst[5] = palette[pcolor]; }
pcolor = (color >> 0) & 3; if (pcolor) { if (!MASK_AT(6)) dst[6] = palette[pcolor]; if (!MASK_AT(7)) dst[7] = palette[pcolor]; }
}
#undef MASK_AT
}
dst += _outwidth;
y++;
if (!--height) {
if (!--v1.skip_width)
return;
height = _height;
y = v1.y;
v1.x += 8 * v1.scaleXstep;
if (v1.x < 0 || v1.x >= _vm->_screenWidth)
return;
v1.destptr += 8 * v1.scaleXstep;
dst = v1.destptr;
}
}
} while(1);
}
void CostumeRenderer::proc3() {
const byte *mask, *src;
byte *dst;
byte len, maskbit;
uint y, color, height, pcolor;
const byte *scaleytab;
bool masked;
y = v1.y;
src = _srcptr;
dst = v1.destptr;
len = v1.replen;
color = v1.repcolor;
height = _height;
scaleytab = &v1.scaletable[_scaleIndexY];
maskbit = revBitMask[v1.x & 7];
mask = v1.mask_ptr + (v1.x >> 3);
if (len)
goto StartPos;
do {
len = *src++;
color = len >> v1.shr;
len &= v1.mask;
if (!len)
len = *src++;
do {
if (_scaleY == 255 || *scaleytab++ < _scaleY) {
masked = (y < _outheight) && v1.mask_ptr && ((mask[0] | mask[v1.imgbufoffs]) & maskbit);
if (color && y < _outheight && !masked) {
// FIXME: Fully implement _shadow_mode.
// For now, it's enough for Sam & Max
// transparency.
if (_shadow_mode & 0x20) {
pcolor = _vm->_proc_special_palette[*dst];
} else {
pcolor = _palette[color];
if (pcolor == 13 && _shadow_table)
pcolor = _shadow_table[*dst];
}
*dst = pcolor;
}
dst += _outwidth;
mask += _numStrips;
y++;
}
if (!--height) {
if (!--v1.skip_width)
return;
height = _height;
y = v1.y;
scaleytab = &v1.scaletable[_scaleIndexY];
if (_scaleX == 255 || v1.scaletable[_scaleIndexX] < _scaleX) {
v1.x += v1.scaleXstep;
if (v1.x < 0 || v1.x >= _vm->_screenWidth)
return;
maskbit = revBitMask[v1.x & 7];
v1.destptr += v1.scaleXstep;
}
_scaleIndexX += v1.scaleXstep;
dst = v1.destptr;
mask = v1.mask_ptr + (v1.x >> 3);
}
StartPos:;
} while (--len);
} while (1);
}
void CostumeRenderer::proc3_ami() {
const byte *mask, *src;
byte *dst;
byte maskbit, len, height, width;
int color;
uint y;
bool masked;
int oldXpos, oldScaleIndexX;
mask = v1.mask_ptr + (v1.x >> 3);
dst = v1.destptr;
height = _height;
width = _width;
src = _srcptr;
maskbit = revBitMask[v1.x & 7];
y = v1.y;
oldXpos = v1.x;
oldScaleIndexX = _scaleIndexX;
do {
len = *src++;
color = len >> v1.shr;
len &= v1.mask;
if (!len)
len = *src++;
do {
if (_scaleY == 255 || cost_scaleTable[_scaleIndexY] < _scaleY) {
masked = (y < _outheight) && v1.mask_ptr && ((mask[0] | mask[v1.imgbufoffs]) & maskbit);
if (color && v1.x >= 0 && v1.x < _vm->_screenWidth && !masked) {
*dst = _palette[color];
}
if (_scaleX == 255 || cost_scaleTable[_scaleIndexX] < _scaleX) {
v1.x += v1.scaleXstep;
dst += v1.scaleXstep;
maskbit = revBitMask[v1.x & 7];
}
_scaleIndexX += v1.scaleXstep;
mask = v1.mask_ptr + (v1.x >> 3);
}
if (!--width) {
if (!--height)
return;
if (y >= _outheight)
return;
if (v1.x != oldXpos) {
dst += _vm->_screenWidth - (v1.x - oldXpos);
v1.mask_ptr += _numStrips;
mask = v1.mask_ptr;
y++;
}
width = _width;
v1.x = oldXpos;
_scaleIndexX = oldScaleIndexX;
_scaleIndexY++;
}
} while (--len);
} while (1);
}
void LoadedCostume::loadCostume(int id) {
_id = id;
byte *ptr = _vm->getResourceAddress(rtCostume, id);
if (_vm->_version >= 6)
ptr += 8;
else if (_vm->_features & GF_OLD_BUNDLE)
ptr += -2;
else if (_vm->_features & GF_SMALL_HEADER)
ptr += 0;
else
ptr += 2;
_baseptr = ptr;
_numAnim = ptr[6];
_format = ptr[7] & 0x7F;
_mirror = (ptr[7] & 0x80) != 0;
_palette = ptr + 8;
switch (_format) {
case 0x57: // Only used in V1 games
_numColors = 0;
break;
case 0x58:
_numColors = 16;
break;
case 0x59:
_numColors = 32;
break;
case 0x60: // New since version 6
_numColors = 16;
break;
case 0x61: // New since version 6
_numColors = 32;
break;
default:
error("Costume %d is invalid", id);
}
// In GF_OLD_BUNDLE games, there is no actual palette, just a single color byte.
// Don't forget, these games were designed around a fixed 16 color HW palette :-)
// In addition, all offsets are shifted by 2; we accomodate that via a seperate
// _baseptr value (instead of adding tons of if's throughout the code).
if (_vm->_features & GF_OLD_BUNDLE) {
_numColors = (_format == 0x57) ? 0 : 1;
_baseptr += 2;
}
ptr += 8 + _numColors;
_frameOffsets = ptr + 2;
if (_format == 0x57) {
_dataOffsets = ptr + 18;
_baseptr += 4;
} else {
_dataOffsets = ptr + 34;
}
_animCmds = _baseptr + READ_LE_UINT16(ptr);
}
byte CostumeRenderer::drawLimb(const CostumeData &cost, int limb) {
int i;
int code;
const byte *frameptr;
// If the specified limb is stopped or not existing, do nothing.
if (cost.curpos[limb] == 0xFFFF || cost.stopped & (1 << limb))
return 0;
// Determine the position the limb is at
i = cost.curpos[limb] & 0x7FFF;
// Get the frame pointer for that limb
frameptr = _loaded._baseptr + READ_LE_UINT16(_loaded._frameOffsets + limb * 2);
// Determine the offset to the costume data for the limb at position i
code = _loaded._animCmds[i] & 0x7F;
// Code 0x7B indicates a limb for which there is nothing to draw
if (code != 0x7B) {
_srcptr = _loaded._baseptr + READ_LE_UINT16(frameptr + code * 2);
if (!(_vm->_features & GF_OLD256) || code < 0x79) {
const CostumeInfo *costumeInfo;
int xmoveCur, ymoveCur;
if (_loaded._format == 0x57) {
_width = _srcptr[0] * 8;
_height = _srcptr[1];
xmoveCur = _xmove + (int8)_srcptr[2] * 8;
ymoveCur = _ymove - (int8)_srcptr[3];
_xmove += (int8)_srcptr[4] * 8;
_ymove -= (int8)_srcptr[5];
_srcptr += 6;
} else {
costumeInfo = (const CostumeInfo *)_srcptr;
_width = READ_LE_UINT16(&costumeInfo->width);
_height = READ_LE_UINT16(&costumeInfo->height);
xmoveCur = _xmove + (int16)READ_LE_UINT16(&costumeInfo->rel_x);
ymoveCur = _ymove + (int16)READ_LE_UINT16(&costumeInfo->rel_y);
_xmove += (int16)READ_LE_UINT16(&costumeInfo->move_x);
_ymove -= (int16)READ_LE_UINT16(&costumeInfo->move_y);
_srcptr += 12;
}
return mainRoutine(xmoveCur, ymoveCur);
}
}
return 0;
}
int Scumm::cost_frameToAnim(Actor *a, int frame) {
return newDirToOldDir(a->getFacing()) + frame * 4;
}
void Scumm::cost_decodeData(Actor *a, int frame, uint usemask) {
const byte *r;
uint mask, j;
int i;
byte extra, cmd;
int anim;
LoadedCostume lc(this);
lc.loadCostume(a->costume);
anim = cost_frameToAnim(a, frame);
if (anim > lc._numAnim) {
return;
}
r = lc._baseptr + READ_LE_UINT16(lc._dataOffsets + anim * 2);
if (r == lc._baseptr) {
return;
}
if (_version == 1) {
mask = *r++ << 8;
} else {
mask = READ_LE_UINT16(r);
r += 2;
}
i = 0;
do {
if (mask & 0x8000) {
if (_version <= 3) {
j = *r++;
if (j == 0xFF)
j = 0xFFFF;
} else {
j = READ_LE_UINT16(r);
r += 2;
}
if (usemask & 0x8000) {
if (j == 0xFFFF) {
a->cost.curpos[i] = 0xFFFF;
a->cost.start[i] = 0;
a->cost.frame[i] = frame;
} else {
extra = *r++;
cmd = lc._animCmds[j];
if (cmd == 0x7A) {
a->cost.stopped &= ~(1 << i);
} else if (cmd == 0x79) {
a->cost.stopped |= (1 << i);
} else {
a->cost.curpos[i] = a->cost.start[i] = j;
a->cost.end[i] = j + (extra & 0x7F);
if (extra & 0x80)
a->cost.curpos[i] |= 0x8000;
a->cost.frame[i] = frame;
}
}
} else {
if (j != 0xFFFF)
r++;
}
}
i++;
usemask <<= 1;
mask <<= 1;
} while ((uint16)mask);
}
void CostumeRenderer::setPalette(byte *palette) {
int i;
byte color;
if (_loaded._format == 0x57)
return;
if (_vm->_features & GF_OLD_BUNDLE) {
if ((_vm->VAR(_vm->VAR_CURRENT_LIGHTS) & LIGHTMODE_actor_color)) {
memcpy(_palette, palette, 16);
} else {
memset(_palette, 8, 16);
_palette[12] = 0;
}
_palette[_loaded._palette[0]] = _palette[0];
} else {
if ((_vm->_features & GF_NEW_OPCODES) || (_vm->VAR(_vm->VAR_CURRENT_LIGHTS) & LIGHTMODE_actor_color)) {
for (i = 0; i < _loaded._numColors; i++) {
color = palette[i];
if (color == 255)
color = _loaded._palette[i];
_palette[i] = color;
}
} else {
memset(_palette, 8, _loaded._numColors);
_palette[12] = 0;
}
}
}
void CostumeRenderer::setFacing(Actor *a) {
_mirror = newDirToOldDir(a->getFacing()) != 0 || _loaded._mirror;
}
void CostumeRenderer::setCostume(int costume) {
_loaded.loadCostume(costume);
}
byte LoadedCostume::increaseAnims(Actor *a) {
int i;
byte r = 0;
for (i = 0; i != 16; i++) {
if (a->cost.curpos[i] != 0xFFFF)
r += increaseAnim(a, i);
}
return r;
}
byte LoadedCostume::increaseAnim(Actor *a, int slot) {
int highflag;
int i, end;
byte code, nc;
if (a->cost.curpos[slot] == 0xFFFF)
return 0;
highflag = a->cost.curpos[slot] & 0x8000;
i = a->cost.curpos[slot] & 0x7FFF;
end = a->cost.end[slot];
code = _animCmds[i] & 0x7F;
if (_vm->_version <= 3) {
if (_animCmds[i] & 0x80)
a->cost.soundCounter++;
}
do {
if (!highflag) {
if (i++ >= end)
i = a->cost.start[slot];
} else {
if (i != end)
i++;
}
nc = _animCmds[i];
if (nc == 0x7C) {
a->cost.animCounter++;
if (a->cost.start[slot] != end)
continue;
} else {
if (_vm->_version >= 6) {
if (nc >= 0x71 && nc <= 0x78) {
_vm->_sound->addSoundToQueue2(a->sound[nc - 0x71]);
if (a->cost.start[slot] != end)
continue;
}
} else {
if (nc == 0x78) {
a->cost.soundCounter++;
if (a->cost.start[slot] != end)
continue;
}
}
}
a->cost.curpos[slot] = i | highflag;
return (_animCmds[i] & 0x7F) != code;
} while (1);
}
bool Scumm::isCostumeInUse(int cost) const {
int i;
Actor *a;
if (_roomResource != 0)
for (i = 1; i < _numActors; i++) {
a = derefActor(i);
if (a->isInCurrentRoom() && a->costume == cost)
return true;
}
return false;
}
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