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scummvm/scumm/akos.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 "akos.h"
#include "bomp.h"
#include "imuse.h"
#include "sound.h"
#if !defined(__GNUC__)
#pragma START_PACK_STRUCTS
#endif
struct AkosHeader {
byte unk_1[2];
byte flags;
byte unk_2;
uint16 num_anims;
uint16 unk_3;
uint16 codec;
} GCC_PACK;
struct AkosOffset {
uint32 akcd;
uint16 akci;
} GCC_PACK;
#if !defined(__GNUC__)
#pragma END_PACK_STRUCTS
#endif
enum AkosOpcodes {
AKC_Return = 0xC001,
AKC_SetVar = 0xC010,
AKC_CmdQue3 = 0xC015,
AKC_ComplexChan = 0xC020,
AKC_Jump = 0xC030,
AKC_JumpIfSet = 0xC031,
AKC_AddVar = 0xC040,
AKC_Ignore = 0xC050,
AKC_IncVar = 0xC060,
AKC_CmdQue3Quick = 0xC061,
AKC_JumpStart = 0xC070,
AKC_JumpE = 0xC070,
AKC_JumpNE = 0xC071,
AKC_JumpL = 0xC072,
AKC_JumpLE = 0xC073,
AKC_JumpG = 0xC074,
AKC_JumpGE = 0xC075,
AKC_StartAnim = 0xC080,
AKC_StartVarAnim = 0xC081,
AKC_Random = 0xC082,
AKC_SetActorClip = 0xC083,
AKC_StartAnimInActor = 0xC084,
AKC_SetVarInActor = 0xC085,
AKC_HideActor = 0xC086,
AKC_SetDrawOffs = 0xC087,
AKC_JumpTable = 0xC088,
AKC_SoundStuff = 0xC089,
AKC_Flip = 0xC08A,
AKC_Cmd3 = 0xC08B,
AKC_Ignore3 = 0xC08C,
AKC_Ignore2 = 0xC08D,
AKC_SkipStart = 0xC090,
AKC_SkipE = 0xC090,
AKC_SkipNE = 0xC091,
AKC_SkipL = 0xC092,
AKC_SkipLE = 0xC093,
AKC_SkipG = 0xC094,
AKC_SkipGE = 0xC095,
AKC_ClearFlag = 0xC09F,
AKC_EndSeq = 0xC0FF
};
bool Scumm::akos_hasManyDirections(Actor *a) {
byte *akos;
const AkosHeader *akhd;
akos = getResourceAddress(rtCostume, a->costume);
assert(akos);
akhd = (const AkosHeader *)findResourceData(MKID('AKHD'), akos);
return (akhd->flags & 2) != 0;
}
int Scumm::akos_frameToAnim(Actor *a, int frame) {
if (akos_hasManyDirections(a))
return toSimpleDir(1, a->facing) + frame * 8;
else
return newDirToOldDir(a->facing) + frame * 4;
}
void Scumm::akos_decodeData(Actor *a, int frame, uint usemask) {
uint anim;
const byte *akos, *r;
const AkosHeader *akhd;
uint offs;
int i;
byte code;
uint16 start, len;
uint16 mask;
if (a->costume == 0)
return;
anim = akos_frameToAnim(a, frame);
akos = getResourceAddress(rtCostume, a->costume);
assert(akos);
akhd = (const AkosHeader *)findResourceData(MKID('AKHD'), akos);
if (anim >= READ_LE_UINT16(&akhd->num_anims))
return;
r = findResourceData(MKID('AKCH'), akos);
assert(r);
offs = READ_LE_UINT16(r + anim * sizeof(uint16));
if (offs == 0)
return;
r += offs;
i = 0;
mask = READ_LE_UINT16(r);
r += sizeof(uint16);
do {
if (mask & 0x8000) {
code = *r++;
if (usemask & 0x8000) {
switch (code) {
case 1:
a->cost.active[i] = 0;
a->cost.frame[i] = frame;
a->cost.end[i] = 0;
a->cost.start[i] = 0;
a->cost.curpos[i] = 0;
break;
case 4:
a->cost.stopped |= 1 << i;
break;
case 5:
a->cost.stopped &= ~(1 << i);
break;
default:
start = READ_LE_UINT16(r);
len = READ_LE_UINT16(r + sizeof(uint16));
r += sizeof(uint16) * 2;
a->cost.active[i] = code;
a->cost.frame[i] = frame;
a->cost.end[i] = start + len;
a->cost.start[i] = start;
a->cost.curpos[i] = start;
break;
}
} else {
if (code != 1 && code != 4 && code != 5)
r += sizeof(uint16) * 2;
}
}
i++;
mask <<= 1;
usemask <<= 1;
} while ((uint16)mask);
}
void AkosRenderer::setPalette(byte *new_palette) {
const byte *the_akpl;
uint size, i;
the_akpl = _vm->findResourceData(MKID('AKPL'), akos);
size = _vm->getResourceDataSize(akpl);
if (size > 256)
error("akos_setPalette: %d is too many colors", size);
for (i = 0; i < size; i++) {
palette[i] = new_palette[i] != 0xFF ? new_palette[i] : the_akpl[i];
}
if (size == 256) {
byte color = new_palette[0];
if (color == 255) {
palette[0] = color;
} else {
_vm->_bompActorPalettePtr = palette;
}
}
}
void AkosRenderer::setCostume(int costume) {
akos = _vm->getResourceAddress(rtCostume, costume);
assert(akos);
akhd = (const AkosHeader *) _vm->findResourceData(MKID('AKHD'), akos);
akof = (const AkosOffset *) _vm->findResourceData(MKID('AKOF'), akos);
akci = _vm->findResourceData(MKID('AKCI'), akos);
aksq = _vm->findResourceData(MKID('AKSQ'), akos);
akcd = _vm->findResourceData(MKID('AKCD'), akos);
akpl = _vm->findResourceData(MKID('AKPL'), akos);
codec = READ_LE_UINT16(&akhd->codec);
}
void AkosRenderer::setFacing(Actor *a) {
_mirror = (newDirToOldDir(a->facing) != 0 || akhd->flags & 1);
if (a->flip)
_mirror = !_mirror;
}
byte AkosRenderer::drawLimb(const CostumeData &cost, int limb) {
uint code;
const byte *p;
const AkosOffset *off;
const CostumeInfo *costumeInfo;
uint i, extra;
byte result = 0;
int xmoveCur, ymoveCur;
if (!cost.active[limb] || cost.stopped & (1 << limb))
return 0;
p = aksq + cost.curpos[limb];
code = p[0];
if (code & 0x80)
code = (code << 8) | p[1];
if (code == AKC_Return || code == AKC_EndSeq)
return 0;
if (code != AKC_ComplexChan) {
off = akof + (code & 0xFFF);
assert((code & 0xFFF) * 6 < READ_BE_UINT32_UNALIGNED((const byte *)akof - 4) - 8);
assert((code & 0x7000) == 0);
_srcptr = akcd + READ_LE_UINT32(&off->akcd);
costumeInfo = (const CostumeInfo *) (akci + READ_LE_UINT16(&off->akci));
_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);
switch (codec) {
case 1:
result |= codec1(xmoveCur, ymoveCur);
break;
case 5:
result |= codec5(xmoveCur, ymoveCur);
break;
case 16:
result |= codec16(xmoveCur, ymoveCur);
break;
default:
error("akos_drawCostumeChannel: invalid codec %d", codec);
}
} else {
extra = p[2];
p += 3;
for (i = 0; i != extra; i++) {
code = p[4];
if (code & 0x80)
code = ((code & 0xF) << 8) | p[5];
off = akof + code;
_srcptr = akcd + READ_LE_UINT32(&off->akcd);
costumeInfo = (const CostumeInfo *) (akci + READ_LE_UINT16(&off->akci));
_width = READ_LE_UINT16(&costumeInfo->width);
_height = READ_LE_UINT16(&costumeInfo->height);
xmoveCur = _xmove + (int16)READ_LE_UINT16(p + 0);
ymoveCur = _ymove + (int16)READ_LE_UINT16(p + 2);
p += (p[4] & 0x80) ? 6 : 5;
switch (codec) {
case 1:
result |= codec1(xmoveCur, ymoveCur);
break;
case 5:
result |= codec5(xmoveCur, ymoveCur);
break;
case 16:
result |= codec16(xmoveCur, ymoveCur);
break;
default:
error("akos_drawCostumeChannel: invalid codec %d", codec);
}
}
}
return result;
}
void AkosRenderer::codec1_genericDecode() {
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[v1.scaleYindex];
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 (*scaleytab++ < _scaleY) {
masked = (y < _outheight) && v1.mask_ptr && ((mask[0] | mask[v1.imgbufoffs]) & maskbit);
if (color && y < _outheight && !masked) {
pcolor = palette[color];
if (_shadow_mode == 1) {
if (pcolor == 13)
pcolor = _shadow_table[*dst];
} else if (_shadow_mode == 2) {
warning("codec1_spec2"); // TODO
} else if (_shadow_mode == 3) {
if (pcolor < 8) {
pcolor = (pcolor << 8) + *dst;
pcolor = _shadow_table[pcolor];
}
}
*dst = pcolor;
}
dst += _outwidth;
mask += _numStrips;
y++;
}
if (!--height) {
if (!--v1.skip_width)
return;
height = _height;
y = v1.y;
scaleytab = &v1.scaletable[v1.scaleYindex];
if (v1.scaletable[v1.scaleXindex] < _scaleX) {
v1.x += v1.scaleXstep;
if (v1.x < 0 || v1.x >= _vm->_screenWidth)
return;
maskbit = revBitMask[v1.x & 7];
v1.destptr += v1.scaleXstep;
}
mask = v1.mask_ptr + (v1.x >> 3);
v1.scaleXindex += v1.scaleXstep;
dst = v1.destptr;
}
StartPos:;
} while (--len);
} while (1);
}
#ifdef __PALM_OS__
const byte *default_scale_table;
#else
const byte default_scale_table[768] = {
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,
0x01, 0x81, 0x41, 0xC1, 0x21, 0xA1, 0x61, 0xE1,
0x11, 0x91, 0x51, 0xD1, 0x31, 0xB1, 0x71, 0xF1,
0x09, 0x89, 0x49, 0xC9, 0x29, 0xA9, 0x69, 0xE9,
0x19, 0x99, 0x59, 0xD9, 0x39, 0xB9, 0x79, 0xF9,
0x05, 0x85, 0x45, 0xC5, 0x25, 0xA5, 0x65, 0xE5,
0x15, 0x95, 0x55, 0xD5, 0x35, 0xB5, 0x75, 0xF5,
0x0D, 0x8D, 0x4D, 0xCD, 0x2D, 0xAD, 0x6D, 0xED,
0x1D, 0x9D, 0x5D, 0xDD, 0x3D, 0xBD, 0x7D, 0xFD,
0x03, 0x83, 0x43, 0xC3, 0x23, 0xA3, 0x63, 0xE3,
0x13, 0x93, 0x53, 0xD3, 0x33, 0xB3, 0x73, 0xF3,
0x0B, 0x8B, 0x4B, 0xCB, 0x2B, 0xAB, 0x6B, 0xEB,
0x1B, 0x9B, 0x5B, 0xDB, 0x3B, 0xBB, 0x7B, 0xFB,
0x07, 0x87, 0x47, 0xC7, 0x27, 0xA7, 0x67, 0xE7,
0x17, 0x97, 0x57, 0xD7, 0x37, 0xB7, 0x77, 0xF7,
0x0F, 0x8F, 0x4F, 0xCF, 0x2F, 0xAF, 0x6F, 0xEF,
0x1F, 0x9F, 0x5F, 0xDF, 0x3F, 0xBF, 0x7F, 0xFE,
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,
0x01, 0x81, 0x41, 0xC1, 0x21, 0xA1, 0x61, 0xE1,
0x11, 0x91, 0x51, 0xD1, 0x31, 0xB1, 0x71, 0xF1,
0x09, 0x89, 0x49, 0xC9, 0x29, 0xA9, 0x69, 0xE9,
0x19, 0x99, 0x59, 0xD9, 0x39, 0xB9, 0x79, 0xF9,
0x05, 0x85, 0x45, 0xC5, 0x25, 0xA5, 0x65, 0xE5,
0x15, 0x95, 0x55, 0xD5, 0x35, 0xB5, 0x75, 0xF5,
0x0D, 0x8D, 0x4D, 0xCD, 0x2D, 0xAD, 0x6D, 0xED,
0x1D, 0x9D, 0x5D, 0xDD, 0x3D, 0xBD, 0x7D, 0xFD,
0x03, 0x83, 0x43, 0xC3, 0x23, 0xA3, 0x63, 0xE3,
0x13, 0x93, 0x53, 0xD3, 0x33, 0xB3, 0x73, 0xF3,
0x0B, 0x8B, 0x4B, 0xCB, 0x2B, 0xAB, 0x6B, 0xEB,
0x1B, 0x9B, 0x5B, 0xDB, 0x3B, 0xBB, 0x7B, 0xFB,
0x07, 0x87, 0x47, 0xC7, 0x27, 0xA7, 0x67, 0xE7,
0x17, 0x97, 0x57, 0xD7, 0x37, 0xB7, 0x77, 0xF7,
0x0F, 0x8F, 0x4F, 0xCF, 0x2F, 0xAF, 0x6F, 0xEF,
0x1F, 0x9F, 0x5F, 0xDF, 0x3F, 0xBF, 0x7F, 0xFE,
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,
0x01, 0x81, 0x41, 0xC1, 0x21, 0xA1, 0x61, 0xE1,
0x11, 0x91, 0x51, 0xD1, 0x31, 0xB1, 0x71, 0xF1,
0x09, 0x89, 0x49, 0xC9, 0x29, 0xA9, 0x69, 0xE9,
0x19, 0x99, 0x59, 0xD9, 0x39, 0xB9, 0x79, 0xF9,
0x05, 0x85, 0x45, 0xC5, 0x25, 0xA5, 0x65, 0xE5,
0x15, 0x95, 0x55, 0xD5, 0x35, 0xB5, 0x75, 0xF5,
0x0D, 0x8D, 0x4D, 0xCD, 0x2D, 0xAD, 0x6D, 0xED,
0x1D, 0x9D, 0x5D, 0xDD, 0x3D, 0xBD, 0x7D, 0xFD,
0x03, 0x83, 0x43, 0xC3, 0x23, 0xA3, 0x63, 0xE3,
0x13, 0x93, 0x53, 0xD3, 0x33, 0xB3, 0x73, 0xF3,
0x0B, 0x8B, 0x4B, 0xCB, 0x2B, 0xAB, 0x6B, 0xEB,
0x1B, 0x9B, 0x5B, 0xDB, 0x3B, 0xBB, 0x7B, 0xFB,
0x07, 0x87, 0x47, 0xC7, 0x27, 0xA7, 0x67, 0xE7,
0x17, 0x97, 0x57, 0xD7, 0x37, 0xB7, 0x77, 0xF7,
0x0F, 0x8F, 0x4F, 0xCF, 0x2F, 0xAF, 0x6F, 0xEF,
0x1F, 0x9F, 0x5F, 0xDF, 0x3F, 0xBF, 0x7F, 0xFF,
};
#endif
byte AkosRenderer::codec1(int xmoveCur, int ymoveCur) {
int num_colors;
bool use_scaling;
int i, j;
int skip = 0, startScaleIndexX, startScaleIndexY;
int cur_x, x_right, x_left;
int cur_y, y_top, y_bottom;
bool charsetmask, masking;
int step;
byte drawFlag = 1;
/* implement custom scale table */
v1.scaletable = default_scale_table;
// FIXME - which value for VAR_CUSTOMSCALETABLE in V8 ?
if (_vm->VAR_CUSTOMSCALETABLE != 0xFF && _vm->isGlobInMemory(rtString, _vm->VAR(_vm->VAR_CUSTOMSCALETABLE))) {
v1.scaletable = _vm->getStringAddressVar(_vm->VAR_CUSTOMSCALETABLE);
}
// Setup color decoding variables
num_colors = _vm->getResourceDataSize(akpl);
if (num_colors == 32) {
v1.mask = (1 << 3) - 1;
v1.shr = 3;
} else if (num_colors == 64) {
v1.mask = (1 << 2) - 1;
v1.shr = 2;
} else {
v1.mask = (1 << 4) - 1;
v1.shr = 4;
}
use_scaling = (_scaleX != 0xFF) || (_scaleY != 0xFF);
cur_x = _actorX;
cur_y = _actorY;
if (use_scaling) {
/* Scale direction */
v1.scaleXstep = -1;
if (xmoveCur < 0) {
xmoveCur = -xmoveCur;
v1.scaleXstep = 1;
}
if (_mirror) {
/* Adjust X position */
startScaleIndexX = 0x180 - xmoveCur;
j = startScaleIndexX;
for (i = 0; i < xmoveCur; i++) {
if (v1.scaletable[j++] < _scaleX)
cur_x -= v1.scaleXstep;
}
x_left = x_right = cur_x;
j = startScaleIndexX;
for (i = 0, skip = 0; i < _width; i++) {
if (x_right < 0) {
skip++;
startScaleIndexX = j;
}
if (v1.scaletable[j++] < _scaleX)
x_right++;
}
} else {
/* No mirror */
/* Adjust X position */
startScaleIndexX = 0x180 + xmoveCur;
j = startScaleIndexX;
for (i = 0; i < xmoveCur; i++) {
if (v1.scaletable[j++] < _scaleX)
cur_x += v1.scaleXstep;
}
x_left = x_right = cur_x;
j = startScaleIndexX;
for (i = 0, skip = 0; i < _width; i++) {
if (x_left >= (int)_outwidth) {
startScaleIndexX = j;
skip++;
}
if (v1.scaletable[j--] < _scaleX)
x_left--;
}
}
if (skip)
skip--;
step = -1;
if (ymoveCur < 0) {
ymoveCur = -ymoveCur;
step = -step;
}
startScaleIndexY = 0x180 - ymoveCur;
for (i = 0; i < ymoveCur; i++) {
if (v1.scaletable[startScaleIndexY++] < _scaleY)
cur_y -= step;
}
y_top = y_bottom = cur_y;
startScaleIndexY = 0x180 - ymoveCur;
for (i = 0; i < _height; i++) {
if (v1.scaletable[startScaleIndexY++] < _scaleY)
y_bottom++;
}
startScaleIndexY = 0x180 - ymoveCur;
} else {
if (!_mirror)
xmoveCur = -xmoveCur;
cur_x += xmoveCur;
cur_y += ymoveCur;
if (_mirror) {
x_left = cur_x;
x_right = cur_x + _width;
} else {
x_right = cur_x;
x_left = cur_x - _width;
}
y_top = cur_y;
y_bottom = cur_y + _height;
startScaleIndexX = 0x180;
startScaleIndexY = 0x180;
}
v1.scaleXindex = startScaleIndexX;
v1.scaleYindex = startScaleIndexY;
v1.skip_width = _width;
v1.scaleXstep = _mirror ? 1 : -1;
_vm->updateDirtyRect(0, x_left, x_right, y_top, y_bottom, _dirty_id);
if (y_top >= (int)_outheight || y_bottom <= 0)
return 0;
if (x_left >= (int)_outwidth || x_right <= 0)
return 0;
v1.replen = 0;
if (_mirror) {
if (!use_scaling)
skip = -cur_x;
if (skip > 0) {
v1.skip_width -= skip;
codec1_ignorePakCols(skip);
cur_x = 0;
} else {
skip = x_right - _outwidth;
if (skip <= 0) {
drawFlag = 2;
} else {
v1.skip_width -= skip;
}
}
} else {
if (!use_scaling)
skip = x_right - _outwidth + 1;
if (skip > 0) {
v1.skip_width -= skip;
codec1_ignorePakCols(skip);
cur_x = _outwidth - 1;
} else {
skip = -1 - x_left;
if (skip <= 0) {
drawFlag = 2;
} else {
v1.skip_width -= skip;
}
}
}
v1.x = cur_x;
v1.y = cur_y;
if (v1.skip_width <= 0 || _height <= 0)
return 0;
if ((uint) y_top > (uint) _outheight)
y_top = 0;
if ((uint) y_bottom > (uint) _outheight)
y_bottom = _outheight;
if (_draw_top > y_top)
_draw_top = y_top;
if (_draw_bottom < y_bottom)
_draw_bottom = y_bottom;
v1.destptr = _outptr + v1.y * _outwidth + v1.x;
charsetmask =
_vm->hasCharsetMask(x_left, y_top + _vm->virtscr[0].topline, x_right,
_vm->virtscr[0].topline + y_bottom);
masking = false;
if (_zbuf != 0) {
masking = _vm->isMaskActiveAt(x_left, y_top, x_right, y_bottom,
_vm->getResourceAddress(rtBuffer, 9) +
_vm->gdi._imgBufOffs[_zbuf] + _vm->_screenStartStrip) != 0;
}
v1.mask_ptr = NULL;
if (masking || charsetmask || _shadow_mode) {
v1.mask_ptr = _vm->getResourceAddress(rtBuffer, 9) + v1.y * _numStrips + _vm->_screenStartStrip;
v1.imgbufoffs = _vm->gdi._imgBufOffs[_zbuf];
if (!charsetmask && masking) {
v1.mask_ptr += v1.imgbufoffs;
v1.imgbufoffs = 0;
}
}
codec1_genericDecode();
return drawFlag;
}
byte AkosRenderer::codec5(int xmoveCur, int ymoveCur) {
int32 clip_left, clip_right, clip_top, clip_bottom, maxw, maxh;
if (!_mirror) {
clip_left = (_actorX - xmoveCur - _width) + 1;
} else {
clip_left = _actorX + xmoveCur - 1;
}
clip_top = _actorY + ymoveCur;
clip_right = (clip_left + _width) - 1;
clip_bottom = (clip_top + _height) - 1;
maxw = _outwidth - 1;
maxh = _outheight - 1;
_vm->updateDirtyRect(0, clip_left, clip_right + 1, clip_top, clip_bottom + 1, _dirty_id);
if (clip_top < 0) {
clip_top = 0;
}
if (clip_bottom > maxh) {
clip_bottom = maxh;
}
if (clip_left < 0) {
clip_left = 0;
}
if (clip_right > maxw) {
clip_right = maxw;
}
if ((clip_left >= clip_right) || (clip_top >= clip_bottom))
return 0;
if (_draw_top > clip_top)
_draw_top = clip_top;
if (_draw_bottom < clip_bottom)
_draw_bottom = clip_bottom + 1;
BompDrawData bdd;
bdd.srcwidth = _width;
bdd.srcheight = _height;
bdd.out = _outptr;
bdd.outwidth = _outwidth;
bdd.outheight = _outheight;
bdd.dataptr = _srcptr;
bdd.scale_x = 255;
bdd.scale_y = 255;
bdd.shadowMode = _shadow_mode;
bdd.scalingXPtr = NULL;
bdd.scalingYPtr = NULL;
bdd.scaleRight = 0;
bdd.scaleBottom = 0;
int decode_mode;
if (!_mirror) {
bdd.x = (_actorX - xmoveCur - _width) + 1;
decode_mode = 3;
} else {
bdd.x = _actorX + xmoveCur;
decode_mode = 1;
}
bdd.y = _actorY + ymoveCur;
if (_zbuf != 0) {
bdd.maskPtr = _vm->getResourceAddress(rtBuffer, 9) + _vm->gdi._imgBufOffs[_zbuf];
_vm->drawBomp(bdd, decode_mode, 1);
} else {
_vm->drawBomp(bdd, decode_mode, 0);
}
_vm->_bompActorPalettePtr = NULL;
return 0;
}
void AkosRenderer::akos16SetupBitReader(const byte *src) {
akos16.unk5 = 0;
akos16.numbits = 16;
akos16.mask = (1 << *src) - 1;
akos16.shift = *(src);
akos16.color = *(src + 1);
akos16.bits = (*(src + 2) | *(src + 3) << 8);
akos16.dataptr = src + 4;
}
#define AKOS16_FILL_BITS() \
if (akos16.numbits <= 8) { \
akos16.bits |= (*akos16.dataptr++) << akos16.numbits; \
akos16.numbits += 8; \
}
#define AKOS16_EAT_BITS(n) \
akos16.numbits -= (n); \
akos16.bits >>= (n);
void AkosRenderer::akos16SkipData(int32 numbytes) {
akos16DecodeLine(0, numbytes, 0);
}
void AkosRenderer::akos16DecodeLine(byte *buf, int32 numbytes, int32 dir) {
uint16 bits, tmp_bits;
while (numbytes != 0) {
if (buf) {
*buf = akos16.color;
buf += dir;
}
if (akos16.unk5 == 0) {
AKOS16_FILL_BITS()
bits = akos16.bits & 3;
if (bits & 1) {
AKOS16_EAT_BITS(2)
if (bits & 2) {
tmp_bits = akos16.bits & 7;
AKOS16_EAT_BITS(3)
if (tmp_bits != 4) {
akos16.color += (tmp_bits - 4);
} else {
akos16.unk5 = 1;
AKOS16_FILL_BITS()
akos16.unk6 = (akos16.bits & 0xff) - 1;
AKOS16_EAT_BITS(8)
AKOS16_FILL_BITS()
}
} else {
AKOS16_FILL_BITS()
akos16.color = ((byte)akos16.bits) & akos16.mask;
AKOS16_EAT_BITS(akos16.shift)
AKOS16_FILL_BITS()
}
} else {
AKOS16_EAT_BITS(1);
}
} else {
if (--akos16.unk6 == 0) {
akos16.unk5 = 0;
}
}
numbytes--;
}
}
void AkosRenderer::akos16ApplyMask(byte *dest, byte *maskptr, byte bits, int32 count, byte fillwith) {
byte bitpos = 1 << (7 - bits);
if (count <= 0)
return;
while(1) {
byte tmp = *(maskptr++);
do {
if (tmp & bitpos) {
*(dest) = fillwith;
}
dest++;
if (--count == 0)
return;
} while ((bitpos>>=1) != 0);
bitpos = 0x80;
}
}
void AkosRenderer::akos16Decompress(byte *dest, int32 pitch, const byte *src, int32 t_width, int32 t_height, int32 dir, int32 numskip_before, int32 numskip_after, byte transparency) {
byte *tmp_buf = akos16.buffer;
if (dir < 0) {
dest -= (t_width - 1);
tmp_buf += (t_width - 1);
}
akos16SetupBitReader(src);
if (numskip_before != 0) {
akos16SkipData(numskip_before);
}
assert(t_height > 0);
assert(t_width > 0);
while (t_height--) {
akos16DecodeLine(tmp_buf, t_width, dir);
bompApplyShadow(_shadow_mode, _shadow_table, akos16.buffer, dest, t_width, transparency);
if (numskip_after != 0) {
akos16SkipData(numskip_after);
}
dest += pitch;
}
}
void AkosRenderer::akos16DecompressMask(byte *dest, int32 pitch, const byte *src, int32 t_width, int32 t_height, int32 dir, int32 numskip_before, int32 numskip_after, byte transparency, byte * maskptr, int32 bitpos_start) {
byte *tmp_buf = akos16.buffer;
int maskpitch;
if (dir < 0) {
dest -= (t_width - 1);
tmp_buf += (t_width - 1);
}
akos16SetupBitReader(src);
if (numskip_before != 0) {
akos16SkipData(numskip_before);
}
maskpitch = _numStrips;
assert(t_height > 0);
assert(t_width > 0);
while (t_height--) {
akos16DecodeLine(tmp_buf, t_width, dir);
akos16ApplyMask(akos16.buffer, maskptr, (byte)bitpos_start, t_width, transparency);
bompApplyShadow(_shadow_mode, _shadow_table, akos16.buffer, dest, t_width, transparency);
if (numskip_after != 0) {
akos16SkipData(numskip_after);
}
dest += pitch;
maskptr += maskpitch;
}
}
byte AkosRenderer::codec16(int xmoveCur, int ymoveCur) {
int32 clip_left, clip_right, clip_top, clip_bottom, maxw, maxh;
int32 skip_x, skip_y, cur_x, cur_y;
const byte transparency = (_vm->_features & GF_HUMONGOUS) ? 0 : 255;
if(!_mirror) {
clip_left = (_actorX - xmoveCur - _width) + 1;
} else {
clip_left = _actorX + xmoveCur;
}
clip_top = ymoveCur + _actorY;
clip_right = (clip_left + _width) - 1;
clip_bottom = (clip_top + _height) - 1;
maxw = _outwidth - 1;
maxh = _outheight - 1;
skip_x = 0;
skip_y = 0;
cur_x = _width - 1;
cur_y = _height - 1;
_vm->updateDirtyRect(0, clip_left, clip_right + 1, clip_top, clip_bottom + 1, _dirty_id);
if (clip_left < 0) {
skip_x = -clip_left;
clip_left = 0;
}
if(clip_right > maxw) {
cur_x -= clip_right - maxw;
clip_right = maxw;
}
if(clip_top < 0) {
skip_y -= clip_top;
clip_top = 0;
}
if(clip_bottom > maxh) {
cur_y -= clip_bottom - maxh;
clip_bottom = maxh;
}
if ((clip_left >= clip_right) || (clip_top >= clip_bottom))
return 0;
if (_draw_top > clip_top)
_draw_top = clip_top;
if (_draw_bottom < clip_bottom)
_draw_bottom = clip_bottom + 1;
int32 width_unk, height_unk;
height_unk = clip_top;
int32 pitch = _vm->_screenWidth;
int32 dir;
if (!_mirror) {
dir = -1;
int tmp_skip_x = skip_x;
skip_x = _width - 1 - cur_x;
cur_x = _width - 1 - tmp_skip_x;
width_unk = clip_right;
} else {
dir = 1;
width_unk = clip_left;
}
int32 out_height;
out_height = cur_y - skip_y;
if (out_height < 0) {
out_height = -out_height;
}
out_height++;
cur_x -= skip_x;
if(cur_x < 0) {
cur_x = -cur_x;
}
cur_x++;
int32 numskip_before = skip_x + (skip_y * _width);
int32 numskip_after = _width - cur_x;
byte *dest = _outptr + width_unk + height_unk * _outwidth;
if (_zbuf == 0) {
akos16Decompress(dest, pitch, _srcptr, cur_x, out_height, dir, numskip_before, numskip_after, transparency);
} else {
byte *ptr = _vm->_screenStartStrip + _vm->getResourceAddress(rtBuffer, 9) + _vm->gdi._imgBufOffs[_zbuf];
ptr += _numStrips * clip_top + (clip_left / 8);
akos16DecompressMask(dest, pitch, _srcptr, cur_x, out_height, dir, numskip_before, numskip_after, transparency, ptr, clip_left / 8);
}
return 0;
}
bool Scumm::akos_increaseAnims(const byte *akos, Actor *a) {
const byte *aksq, *akfo;
int i;
uint size;
bool result;
aksq = findResourceData(MKID('AKSQ'), akos);
akfo = findResourceData(MKID('AKFO'), akos);
size = getResourceDataSize(akfo) >> 1;
result = false;
for (i = 0; i < 16; i++) {
if (a->cost.active[i] != 0)
result |= akos_increaseAnim(a, i, aksq, (const uint16 *)akfo, size);
}
return result;
}
#define GW(o) ((int16)READ_LE_UINT16(aksq+curpos+(o)))
#define GUW(o) READ_LE_UINT16(aksq+curpos+(o))
#define GB(o) aksq[curpos+(o)]
bool Scumm::akos_increaseAnim(Actor *a, int chan, const byte *aksq, const uint16 *akfo, int numakfo) {
byte active;
uint old_curpos, curpos, end;
uint code;
bool flag_value;
int tmp, tmp2;
active = a->cost.active[chan];
end = a->cost.end[chan];
old_curpos = curpos = a->cost.curpos[chan];
flag_value = false;
do {
code = aksq[curpos];
if (code & 0x80)
code = (code << 8) | aksq[curpos + 1];
switch (active) {
case 6:
switch (code) {
case AKC_JumpIfSet:
case AKC_AddVar:
case AKC_SetVar:
case AKC_SkipGE:
case AKC_SkipG:
case AKC_SkipLE:
case AKC_SkipL:
case AKC_SkipNE:
case AKC_SkipE:
curpos += 5;
break;
case AKC_JumpTable:
case AKC_SetActorClip:
case AKC_Ignore3:
case AKC_Ignore2:
case AKC_Ignore:
case AKC_StartAnim:
case AKC_StartVarAnim:
case AKC_CmdQue3:
curpos += 3;
break;
case AKC_SoundStuff:
curpos += 8; // in Putt is 6
break;
case AKC_Cmd3:
case AKC_SetVarInActor:
case AKC_SetDrawOffs:
curpos += 6;
break;
case AKC_ClearFlag:
case AKC_HideActor:
case AKC_IncVar:
case AKC_CmdQue3Quick:
case AKC_Return:
case AKC_EndSeq:
curpos += 2;
break;
case AKC_JumpGE:
case AKC_JumpG:
case AKC_JumpLE:
case AKC_JumpL:
case AKC_JumpNE:
case AKC_JumpE:
case AKC_Random:
curpos += 7;
break;
case AKC_Flip:
case AKC_Jump:
case AKC_StartAnimInActor:
curpos += 4;
break;
case AKC_ComplexChan:
curpos += 3;
tmp = aksq[curpos - 1];
while (--tmp >= 0) {
curpos += 4;
curpos += (aksq[curpos] & 0x80) ? 2 : 1;
}
break;
default:
if ((code & 0xC000) == 0xC000)
error("akos_increaseAnim: invalid code %x", code);
curpos += (code & 0x8000) ? 2 : 1;
}
break;
case 2:
curpos += (code & 0x8000) ? 2 : 1;
if (curpos > end)
curpos = a->cost.start[chan];
break;
case 3:
if (curpos != end)
curpos += (code & 0x8000) ? 2 : 1;
break;
}
code = aksq[curpos];
if (code & 0x80)
code = (code << 8) | aksq[curpos + 1];
if (flag_value && code != AKC_ClearFlag)
continue;
switch (code) {
case AKC_StartAnimInActor:
akos_queCommand(4, derefActor(a->getAnimVar(GB(2)), "akos_increaseAnim:29"), a->getAnimVar(GB(3)), 0);
continue;
case AKC_Random:
a->setAnimVar(GB(6), _rnd.getRandomNumberRng(GW(2), GW(4)));
continue;
case AKC_JumpGE:
case AKC_JumpG:
case AKC_JumpLE:
case AKC_JumpL:
case AKC_JumpNE:
case AKC_JumpE:
if (akos_compare(a->getAnimVar(GB(4)), GW(5), code - AKC_JumpStart) != 0) {
curpos = GUW(2);
break;
}
continue;
case AKC_IncVar:
a->setAnimVar(0, a->getAnimVar(0) + 1);
continue;
case AKC_SetVar:
a->setAnimVar(GB(4), GW(2));
continue;
case AKC_AddVar:
a->setAnimVar(GB(4), a->getAnimVar(GB(4)) + GW(2));
continue;
case AKC_Flip:
a->flip = GW(2) != 0;
continue;
case AKC_CmdQue3:
// tmp = GB(2); // previous
tmp = GB(2) - 1;
if ((uint) tmp < 8)
akos_queCommand(3, a, a->sound[tmp], 0);
continue;
case AKC_CmdQue3Quick:
// akos_queCommand(3, a, a->sound[1], 0); //previous
akos_queCommand(3, a, a->sound[0], 0);
continue;
case AKC_StartAnim:
akos_queCommand(4, a, GB(2), 0);
continue;
case AKC_StartVarAnim:
akos_queCommand(4, a, a->getAnimVar(GB(2)), 0);
continue;
case AKC_SetVarInActor:
derefActor(a->getAnimVar(GB(2)), "akos_increaseAnim:9")->setAnimVar(GB(3), GW(4));
continue;
case AKC_HideActor:
akos_queCommand(1, a, 0, 0);
continue;
case AKC_SetActorClip:
akos_queCommand(5, a, GB(2), 0);
continue;
case AKC_SoundStuff:
tmp = GB(2);
if (tmp >= 8)
continue;
tmp2 = GB(4);
if (tmp2 < 1 || tmp2 > 3)
error("akos_increaseAnim:8 invalid code %d", tmp2);
akos_queCommand(tmp2 + 6, a, a->sound[tmp], GB(6));
continue;
case AKC_SetDrawOffs:
akos_queCommand(6, a, GW(2), GW(4));
continue;
case AKC_JumpTable:
if (akfo == NULL)
error("akos_increaseAnim: no AKFO table");
tmp = a->getAnimVar(GB(2)) - 1;
if (tmp < 0 || tmp >= numakfo - 1)
error("akos_increaseAnim: invalid jump value %d", tmp);
curpos = READ_LE_UINT16(&akfo[tmp]);
break;
case AKC_JumpIfSet:
if (!a->getAnimVar(GB(4)))
continue;
a->setAnimVar(GB(4), 0);
curpos = GUW(2);
break;
case AKC_ClearFlag:
flag_value = false;
continue;
case AKC_Jump:
curpos = GUW(2);
break;
case AKC_Return:
case AKC_EndSeq:
case AKC_ComplexChan:
break;
case AKC_Ignore:
case AKC_Ignore2:
case AKC_Ignore3:
continue;
case AKC_SkipE:
case AKC_SkipNE:
case AKC_SkipL:
case AKC_SkipLE:
case AKC_SkipG:
case AKC_SkipGE:
if (akos_compare(a->getAnimVar(GB(4)), GW(2), code - AKC_SkipStart) == 0)
flag_value = true;
continue;
default:
if ((code & 0xC000) == 0xC000)
error("Undefined uSweat token %X", code);
}
break;
} while (1);
int code2 = aksq[curpos];
if (code2 & 0x80)
code2 = (code2 << 8) | aksq[curpos + 1];
assert((code2 & 0xC000) != 0xC000 || code2 == AKC_ComplexChan || code2 == AKC_Return || code2 == AKC_EndSeq);
a->cost.curpos[chan] = curpos;
return curpos != old_curpos;
}
void Scumm::akos_queCommand(byte cmd, Actor *a, int param_1, int param_2) {
switch (cmd) {
case 1:
a->putActor(0, 0, 0);
break;
case 2:
warning("unimplemented akos_queCommand(2,%d,%d,%d)", a->number, param_1, param_2);
// start script token in actor
break;
case 3:
if (param_1 != 0) {
_sound->addSoundToQueue(param_1);
}
break;
case 4:
a->startAnimActor(param_1);
// param_2 ?
break;
case 5:
a->forceClip = param_1;
break;
case 6:
warning("unimplemented akos_queCommand(6,%d,%d,%d)", a->number, param_1, param_2);
// a->offs_x = param_1;
// a->offs_y = param_2;
break;
case 7:
if (param_1 != 0) {
if (_imuseDigital) {
// _imuseDigital->doCommand(12, 0x600, param_1, 0, 0, 0, 0, 0);
}
}
break;
case 8:
if (param_1 != 0) {
if (_imuseDigital) {
// _imuseDigital->doCommand(12, 0x700, param_1, 0, 0, 0, 0, 0);
}
}
break;
case 9:
if (param_1 != 0) {
if (_imuseDigital) {
// _imuseDigital->doCommand(12, 0x500, param_1, 0, 0, 0, 0, 0);
}
}
break;
default:
warning("akos_queCommand(%d,%d,%d,%d)", cmd, a->number, param_1, param_2);
}
}
bool Scumm::akos_compare(int a, int b, byte cmd) {
switch (cmd) {
case 0:
return a == b;
case 1:
return a != b;
case 2:
return a < b;
case 3:
return a <= b;
case 4:
return a > b;
default:
return a >= b;
}
}
#ifdef __PALM_OS__
#include "scumm_globals.h" // init globals
void Akos_initGlobals() {
GSETPTR(default_scale_table, GBVARS_DEFAULTSCALETABLE_INDEX, byte, GBVARS_SCUMM)
}
void Akos_releaseGlobals() {
GRELEASEPTR(GBVARS_DEFAULTSCALETABLE_INDEX, GBVARS_SCUMM)
}
#endif
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