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scummvm/akos.cpp
Marcus Comstedt 9243299447 Added newline at end of file to fix gcc warnings. 
svn-id: r3552
2002-02-02 19:07:32 +00:00

1098 lines
26 KiB
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/* ScummVM - Scumm Interpreter
* Copyright (C) 2001 Ludvig Strigeus
*
* 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"
bool Scumm::akos_hasManyDirections(Actor *a) {
if (_features & GF_NEW_COSTUMES) {
byte *akos;
AkosHeader *akhd;
akos = getResourceAddress(rtCostume, a->costume);
assert(akos);
akhd = (AkosHeader*)findResourceData(MKID('AKHD'), akos);
return (akhd->flags&2) != 0;
}
return 0;
}
int Scumm::akos_frameToAnim(Actor *a, int frame) {
if (akos_hasManyDirections(a)) {
error("akos_frameToAnim: hasManyDirections not supported");
} else {
return newDirToOldDir(a->facing) + frame * 4;
}
}
void Scumm::akos_decodeData(Actor *a, int frame, uint usemask) {
uint anim;
byte *akos,*r;
AkosHeader *akhd;
uint offs;
int i;
byte code;
uint32 start,len;
uint16 mask;
if (a->costume==0)
return;
anim = akos_frameToAnim(a, frame);
akos = getResourceAddress(rtCostume, a->costume);
assert(akos);
akhd = (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 Scumm::akos_setPalette(AkosRenderer *ar, byte *palette) {
byte *akos, *akpl;
uint size, i;
akpl = findResourceData(MKID('AKPL'), ar->akos);
size = getResourceDataSize(akpl);
if (size > 256)
error("akos_setPalette: %d is too many colors", size);
for(i=0; i<size; i++) {
ar->palette[i] = palette[i]!=0xFF ? palette[i] : akpl[i];
}
}
void Scumm::akos_setCostume(AkosRenderer *ar, int costume) {
ar->akos = getResourceAddress(rtCostume, costume);
assert(ar->akos);
ar->akhd = (AkosHeader*)findResourceData(MKID('AKHD'), ar->akos);
ar->akof = (AkosOffset*)findResourceData(MKID('AKOF'), ar->akos);
ar->akci = findResourceData(MKID('AKCI'), ar->akos);
ar->aksq = findResourceData(MKID('AKSQ'), ar->akos);
ar->akcd = findResourceData(MKID('AKCD'), ar->akos);
ar->akpl = findResourceData(MKID('AKPL'), ar->akos);
ar->codec = READ_LE_UINT16(&ar->akhd->codec);
}
void Scumm::akos_setFacing(AkosRenderer *ar, Actor *a) {
ar->mirror = (newDirToOldDir(a->facing)!=0 || ar->akhd->flags&1);
if (a->flip)
ar->mirror ^= 1;
}
bool Scumm::akos_drawCostume(AkosRenderer *ar) {
int i;
bool result = false;
ar->move_x = ar->move_y = 0;
for(i=0; i<16; i++)
result |= akos_drawCostumeChannel(ar, i);
return result;
}
bool Scumm::akos_drawCostumeChannel(AkosRenderer *ar, int chan) {
uint code;
byte *p;
AkosOffset *off;
AkosCI *akci;
uint i,extra;
if (!ar->cd->active[chan] || ar->cd->stopped&(1<<chan))
return false;
p = ar->aksq + ar->cd->curpos[chan];
code = p[0];
if (code & 0x80) code = (code<<8)|p[1];
if (code==AKC_Return)
return false;
if (code!=AKC_ComplexChan) {
off = ar->akof + (code & 0xFFF);
assert( (code & 0xFFF)*6 < READ_BE_UINT32_UNALIGNED((byte*)ar->akof - 4)-8 );
assert( (code&0x7000) == 0);
ar->srcptr = ar->akcd + READ_LE_UINT32(&off->akcd);
akci = (AkosCI*)(ar->akci + READ_LE_UINT16(&off->akci));
ar->move_x_cur = ar->move_x + (int16)READ_LE_UINT16(&akci->rel_x);
ar->move_y_cur = ar->move_y + (int16)READ_LE_UINT16(&akci->rel_y);
ar->width = READ_LE_UINT16(&akci->width);
ar->height = READ_LE_UINT16(&akci->height);
ar->move_x += (int16)READ_LE_UINT16(&akci->move_x);
ar->move_y -= (int16)READ_LE_UINT16(&akci->move_y);
switch(ar->codec) {
case 1:
akos_codec1(ar);
break;
case 5:
akos_codec5(ar);
break;
case 16:
akos_codec16(ar);
break;
default:
error("akos_drawCostumeChannel: invalid codec %d", ar->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 = ar->akof + code;
ar->srcptr = ar->akcd + READ_LE_UINT32(&off->akcd);
akci = (AkosCI*)(ar->akci + READ_LE_UINT16(&off->akci));
ar->move_x_cur = ar->move_x + (int16)READ_LE_UINT16(p+0);
ar->move_y_cur = ar->move_y + (int16)READ_LE_UINT16(p+2);
p += (p[4]&0x80) ? 6 : 5;
ar->width = READ_LE_UINT16(&akci->width);
ar->height = READ_LE_UINT16(&akci->height);
switch(ar->codec) {
case 1:
akos_codec1(ar);
break;
case 5:
akos_codec5(ar);
break;
case 16:
akos_codec16(ar);
break;
default:
error("akos_drawCostumeChannel: invalid codec %d", ar->codec);
}
}
}
return true;
}
void akos_c1_0y_decode(AkosRenderer *ar) {
byte len,color;
byte *src, *dst;
int height;
uint y;
uint scrheight;
len = ar->v1.replen;
src = ar->srcptr;
dst = ar->v1.destptr;
color = ar->v1.repcolor;
scrheight = ar->outheight;
height = ar->height;
y = ar->v1.y;
if (len) goto StartPos;
do {
len = *src++;
color = len>>ar->v1.shl;
len &= ar->v1.mask;
if (!len) len = *src++;
do {
if (color && y < scrheight) {
*dst = ar->palette[color];
}
dst += ar->outwidth;
y++;
if (!--height) {
if (!--ar->v1.skip_width)
return;
dst -= ar->v1.y_pitch;
height = ar->height;
y = ar->v1.y;
}
StartPos:;
} while (--len);
} while (1);
}
void akos_generic_decode(AkosRenderer *ar) {
byte *src,*dst;
byte len,height,pcolor, maskbit;
uint y,scrheight;
uint color;
int t;
const byte *scaleytab, *mask;
y = ar->v1.y;
len = ar->v1.replen;
src = ar->srcptr;
dst = ar->v1.destptr;
color = ar->v1.repcolor;
height = ar->height;
scaleytab = &ar->v1.scaletable[ar->v1.tmp_y];
maskbit = revBitMask[ar->v1.x&7];
mask = ar->v1.mask_ptr + (ar->v1.x>>3);
if (len) goto StartPos;
do {
len = *src++;
color = len>>ar->v1.shl;
len &= ar->v1.mask;
if (!len) len = *src++;
do {
if (*scaleytab++ < ar->scale_y) {
if (color && y < ar->outheight && (!ar->v1.mask_ptr || !((mask[0]|mask[ar->v1.imgbufoffs]) & maskbit)) ) {
*dst = ar->palette[color];
}
mask += 40;
dst += ar->outwidth;
y++;
}
if (!--height) {
if(!--ar->v1.skip_width)
return;
height = ar->height;
y = ar->v1.y;
scaleytab = &ar->v1.scaletable[ar->v1.tmp_y];
if (ar->v1.scaletable[ar->v1.tmp_x] < ar->scale_x) {
ar->v1.x += ar->v1.scaleXstep;
if ((uint)ar->v1.x >= 320)
return;
maskbit = revBitMask[ar->v1.x&7];
ar->v1.destptr += ar->v1.scaleXstep;
}
mask = ar->v1.mask_ptr + (ar->v1.x>>3);
ar->v1.tmp_x += ar->v1.scaleXstep;
dst = ar->v1.destptr;
}
StartPos:;
} while (--len);
} while(1);
}
void akos_c1_spec1(AkosRenderer *ar) {
byte *src,*dst;
byte len,height,pcolor, maskbit;
uint y,scrheight;
uint color;
int t;
const byte *scaleytab, *mask;
y = ar->v1.y;
len = ar->v1.replen;
src = ar->srcptr;
dst = ar->v1.destptr;
color = ar->v1.repcolor;
height = ar->height;
scaleytab = &ar->v1.scaletable[ar->v1.tmp_y];
maskbit = revBitMask[ar->v1.x&7];
mask = ar->v1.mask_ptr + (ar->v1.x>>3);
if (len) goto StartPos;
do {
len = *src++;
color = len>>ar->v1.shl;
len &= ar->v1.mask;
if (!len) len = *src++;
do {
if (*scaleytab++ < ar->scale_y) {
if (color && y < ar->outheight && (!ar->v1.mask_ptr || !((mask[0]|mask[ar->v1.imgbufoffs]) & maskbit)) ) {
pcolor = ar->palette[color];
if (pcolor==13)
pcolor = ar->shadow_table[*dst];
*dst = pcolor;
}
mask += 40;
dst += ar->outwidth;
y++;
}
if (!--height) {
if(!--ar->v1.skip_width)
return;
height = ar->height;
y = ar->v1.y;
scaleytab = &ar->v1.scaletable[ar->v1.tmp_y];
if (ar->v1.scaletable[ar->v1.tmp_x] < ar->scale_x) {
ar->v1.x += ar->v1.scaleXstep;
if ((uint)ar->v1.x >= 320)
return;
maskbit = revBitMask[ar->v1.x&7];
ar->v1.destptr += ar->v1.scaleXstep;
}
mask = ar->v1.mask_ptr + (ar->v1.x>>3);
ar->v1.tmp_x += ar->v1.scaleXstep;
dst = ar->v1.destptr;
}
StartPos:;
} while (--len);
} while(1);
}
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,
};
void Scumm::akos_codec1(AkosRenderer *ar) {
int num_colors;
bool use_scaling;
int i,j;
int x,x_right,x_left,skip,tmp_x,tmp_y;
int y,y_top,y_bottom;
byte *stab;
bool y_clipping;
bool charsetmask;
bool masking;
int step;
/* implement custom scale table */
ar->v1.scaletable = default_scale_table;
/* Setup color decoding variables */
num_colors = getResourceDataSize(ar->akpl);
if (num_colors == 32) {
ar->v1.mask = (1<<3)-1;
ar->v1.shl = 3;
} else if (num_colors == 64) {
ar->v1.mask = (1<<2)-1;
ar->v1.shl = 2;
} else {
ar->v1.mask = (1<<4)-1;
ar->v1.shl = 4;
}
use_scaling = (ar->scale_x!=0xFF) || (ar->scale_y!=0xFF);
x = ar->x;
y = ar->y;
if (use_scaling) {
/* Scale direction */
ar->v1.scaleXstep = -1;
if (ar->move_x_cur < 0) {
ar->move_x_cur = -ar->move_x_cur;
ar->v1.scaleXstep = 1;
}
if (ar->mirror) {
/* Adjust X position */
tmp_x = 0x180 - ar->move_x_cur;
j = tmp_x;
for(i=0; i<ar->move_x_cur; i++) {
if (ar->v1.scaletable[j++] < ar->scale_x)
x -= ar->v1.scaleXstep;
}
x_left = x_right = x;
j = tmp_x;
for(i=0,skip=0; i<ar->width; i++) {
if (x_right < 0) {
skip++;
tmp_x = j;
}
if (ar->v1.scaletable[j++] < ar->scale_x)
x_right++;
}
} else {
/* No mirror */
/* Adjust X position */
tmp_x = 0x180 + ar->move_x_cur;
j = tmp_x;
for(i=0; i<ar->move_x_cur; i++) {
if (ar->v1.scaletable[j++] < ar->scale_x)
x += ar->v1.scaleXstep;
}
x_left = x_right = x;
j = tmp_x;
for(i=0,skip=0; i<ar->width; i++) {
if (x_left >= (int)ar->outwidth) {
tmp_x = j;
skip++;
}
if (ar->v1.scaletable[j--] < ar->scale_x)
x_left--;
}
}
if (skip) skip--;
step = -1;
if (ar->move_y_cur < 0) {
ar->move_y_cur = -ar->move_y_cur;
step = -step;
}
tmp_y = 0x180 - ar->move_y_cur;
for(i=0; i<ar->move_y_cur; i++) {
if (ar->v1.scaletable[tmp_y++] < ar->scale_y)
y -= step;
}
y_top = y_bottom = y;
tmp_y = 0x180 - ar->move_y_cur;
for(i=0; i<ar->height; i++) {
if (ar->v1.scaletable[tmp_y++] < ar->scale_y)
y_bottom++;
}
tmp_y = 0x180 - ar->move_y_cur;
} else {
if (!ar->mirror)
ar->move_x_cur = -ar->move_x_cur;
x += ar->move_x_cur;
y += ar->move_y_cur;
if (ar->mirror) {
x_left = x;
x_right = x + ar->width;
} else {
x_right = x;
x_left = x - ar->width;
}
y_top = y;
y_bottom = y + ar->height;
tmp_x = 0x180;
tmp_y = 0x180;
}
ar->v1.tmp_x = tmp_x;
ar->v1.tmp_y = tmp_y;
ar->v1.skip_width = ar->width;
ar->v1.scaleXstep = -1;
if (ar->mirror)
ar->v1.scaleXstep = -ar->v1.scaleXstep;
if ((uint)y_top >= (uint)ar->outheight || y_bottom <= 0)
return;
if ((int)x_left >= (int)ar->outwidth || x_right <= 0)
return;
ar->v1.replen = 0;
ar->v1.y_pitch = ar->height * ar->outwidth;
if (ar->mirror) {
ar->v1.y_pitch--;
if (!use_scaling)
skip = -x;
if (skip > 0) {
ar->v1.skip_width -= skip;
akos_codec1_ignorePakCols(ar, skip);
x = 0;
} else {
skip = x_right - ar->outwidth;
if (skip > 0)
ar->v1.skip_width -= skip;
}
} else {
ar->v1.y_pitch++;
if (!use_scaling) {
skip = x_right - ar->outwidth + 1;
}
if (skip > 0) {
ar->v1.skip_width -= skip;
akos_codec1_ignorePakCols(ar, skip);
x = ar->outwidth - 1;
} else {
skip = -1 - x_left;
if (skip > 0)
ar->v1.skip_width -= skip;
}
}
ar->v1.x = x;
ar->v1.y = y;
if (ar->v1.skip_width <= 0 || ar->height<=0)
return;
updateDirtyRect(0, x_left, x_right, y_top, y_bottom, 1<<ar->dirty_id);
y_clipping = ((uint)y_bottom > ar->outheight || y_top < 0);
if ( (uint)y_top > (uint)ar->outheight)
y_top = 0;
if ( (uint) y_bottom > (uint)ar->outheight)
y_bottom = ar->outheight;
if (y_top < ar->draw_top)
ar->draw_top = y_top;
if (y_bottom > ar->draw_bottom)
ar->draw_bottom = y_bottom;
if (x==-1) x=0; /* ?? */
ar->v1.destptr = ar->outptr + x + y * ar->outwidth;
charsetmask = ar->charsetmask;
masking = false;
if (ar->clipping) {
masking = isMaskActiveAt(x_left, y_top, x_right, y_bottom,
getResourceAddress(rtBuffer, 9) + gdi._imgBufOffs[ar->clipping] + _screenStartStrip
) != 0;
}
ar->v1.mask_ptr = NULL;
if (masking || charsetmask || ar->shadow_mode) {
ar->v1.mask_ptr = getResourceAddress(rtBuffer, 9) + y*40 + _screenStartStrip;
ar->v1.imgbufoffs = gdi._imgBufOffs[ar->clipping];
if (!charsetmask && masking) {
ar->v1.mask_ptr += ar->v1.imgbufoffs;
ar->v1.imgbufoffs = 0;
}
}
switch(ar->shadow_mode) {
case 1:
akos_c1_spec1(ar);
return;
case 2:
// akos_c1_spec2(ar);
return;
case 3:
// akos_c1_spec3(ar);
return;
}
akos_generic_decode(ar);
// akos_c1_0y_decode(ar);
#if 0
switch(((byte)y_clipping<<3) | ((byte)use_scaling<<2) | ((byte)masking<<1) | (byte)charsetmask) {
case 0: akos_c1_0_decode(ar); break;
case 0+8: akos_c1_0y_decode(ar); break;
case 2:
case 1: akos_c1_12_decode(ar); break;
case 2+8:
case 1+8: akos_c1_12y_decode(ar); break;
case 3+8:
case 3: akos_c1_3_decode(ar); break;
case 4: akos_c1_4_decode(ar); break;
case 4+8: akos_c1_4y_decode(ar); break;
case 6:
case 5: akos_c1_56_decode(ar); break;
case 6+8:
case 5+8: akos_c1_56y_decode(ar); break;
case 7:
case 7+8: akos_c1_7_decode(ar); break;
}
#endif
}
void Scumm::akos_codec1_ignorePakCols(AkosRenderer *ar, int num) {
int n;
byte repcolor;
byte replen;
byte *src;
n = ar->height;
if (num>1) n *= num;
src = ar->srcptr;
do {
repcolor = *src++;
replen = repcolor & ar->v1.mask;
if (replen==0) {
replen = *src++;
}
do {
if (!--n) {
ar->v1.repcolor = repcolor>>ar->v1.shl;
ar->v1.replen = replen;
ar->srcptr = src;
return;
}
} while (--replen);
} while (1);
}
void Scumm::akos_codec5(AkosRenderer *ar) {
warning("akos_codec5: not implemented");
}
void Scumm::akos_codec16(AkosRenderer *ar) {
warning("akos_codec16: not implemented");
}
bool Scumm::akos_increaseAnims(byte *akos, Actor *a) {
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!=0x10;i++) {
if (a->cost.active[i]!=0)
result|=akos_increaseAnim(a, i, aksq, (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, byte *aksq, 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_CmdQue3:
curpos += 3;
break;
case AKC_SoundStuff:
curpos += 8;
break;
case AKC_Cmd3:
case AKC_SetVarInActor:
case AKC_SetDrawOffs:
curpos += 6;
break;
case AKC_ClearFlag:
case AKC_HideActor:
case AKC_CmdQue3Quick:
case AKC_Return:
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:
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)
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,
derefActorSafe(getAnimVar(a, GB(2)), "akos_increaseAnim:29"),
getAnimVar(a, GB(3)),
0
);
continue;
case AKC_Random:
setAnimVar(a, GB(6), getRandomNumberRng(GW(2),GW(4)));
continue;
case AKC_SkipGE:
case AKC_SkipG:
case AKC_SkipLE:
case AKC_SkipL:
case AKC_SkipNE:
case AKC_SkipE:
if ( !akos_compare(getAnimVar(a, GB(4)),GW(2), code-AKC_SkipStart) )
flag_value = true;
continue;
case AKC_IncVar:
setAnimVar(a, 0, getAnimVar(a, 0)+1);
continue;
case AKC_SetVar:
setAnimVar(a, GB(4), GW(2));
continue;
case AKC_AddVar:
setAnimVar(a, GB(4), getAnimVar(a, GB(4)) + GW(2) );
continue;
case AKC_Flip:
a->flip = GW(2) != 0;
continue;
case AKC_CmdQue3:
tmp = GB(2);
if ((uint)tmp < 8)
akos_queCommand(3, a, a->sound[tmp], 0);
continue;
case AKC_CmdQue3Quick:
akos_queCommand(3, a, a->sound[1], 0);
continue;
case AKC_StartAnim:
akos_queCommand(4, a, GB(2), 0);
continue;
case AKC_StartVarAnim:
akos_queCommand(4, a, getAnimVar(a, GB(2)), 0);
continue;
case AKC_SetVarInActor:
setAnimVar(
derefActorSafe(getAnimVar(a, GB(2)),"akos_increaseAnim:9"),
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 = getAnimVar(a, 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 (!getAnimVar(a, GB(4)))
continue;
setAnimVar(a, 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_ComplexChan:
break;
case AKC_Ignore:
case AKC_Ignore2:
case AKC_Ignore3:
continue;
case AKC_JumpE:
case AKC_JumpNE:
case AKC_JumpL:
case AKC_JumpLE:
case AKC_JumpG:
case AKC_JumpGE:
if ( !akos_compare(getAnimVar(a, GB(4)), GW(2), code - AKC_JumpStart) )
continue;
curpos = GUW(2);
break;
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);
a->cost.curpos[chan] = curpos;
return curpos != old_curpos;
}
void Scumm::akos_queCommand(byte cmd, Actor *a, int param_1, int param_2) {
// 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;
}
}
int Scumm::getAnimVar(Actor *a, byte var) {
assert(var>=0 && var<=15);
return a->animVariable[var];
}
void Scumm::setAnimVar(Actor *a, byte var, int value) {
assert(var>=0 && var<=15);
a->animVariable[var] = value;
}
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