thirdparty/scummvm
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more cleanup

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svn-id: r6292
This commit is contained in:
Max Horn 2002-12-31 14:59:06 +00:00
parent 4b6605c286
commit 7f15b5d08b
5 changed files with 141 additions and 141 deletions
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207
scumm/gfx.cpp
View file

@ -470,7 +470,6 @@ void Scumm::initBGBuffers(int height)
if (_features & GF_AFTER_V7) {
initVirtScreen(0, 0, virtscr[0].topline, _realWidth, height, 1, 1);
}
room = getResourceAddress(rtRoom, _roomResource);
@ -499,7 +498,7 @@ void Scumm::initBGBuffers(int height)
assert(gdi._numZBuffer >= 1 && gdi._numZBuffer <= 8);
if (_features & GF_AFTER_V7)
itemsize = _scrHeight * gdi._numStrips + gdi._numStrips * 10;
itemsize = (_scrHeight + 10) * gdi._numStrips;
else
itemsize = (_scrHeight + 4) * gdi._numStrips;
@ -790,6 +789,7 @@ void Gdi::drawBitmap(byte *ptr, VirtScreen *vs, int x, int y, const int h,
int numzbuf;
int sx;
bool lightsOn;
bool useOrDecompress;
// Check whether lights are turned on or not
lightsOn = (_vm->_features & GF_AFTER_V6) || (vs->number != 0) || (_vm->_vars[_vm->VAR_CURRENT_LIGHTS] & LIGHTMODE_screen);
@ -886,9 +886,9 @@ void Gdi::drawBitmap(byte *ptr, VirtScreen *vs, int x, int y, const int h,
_mask_ptr = _vm->getResourceAddress(rtBuffer, 9) + (y * _numStrips + x);
if (_vm->_features & GF_SMALL_HEADER)
decompressBitmap(bgbak_ptr, smap_ptr + READ_LE_UINT32(smap_ptr + stripnr * 4 + 4), h);
useOrDecompress = decompressBitmap(bgbak_ptr, smap_ptr + READ_LE_UINT32(smap_ptr + stripnr * 4 + 4), h);
else
decompressBitmap(bgbak_ptr, smap_ptr + READ_LE_UINT32(smap_ptr + stripnr * 4 + 8), h);
useOrDecompress = decompressBitmap(bgbak_ptr, smap_ptr + READ_LE_UINT32(smap_ptr + stripnr * 4 + 8), h);
CHECK_HEAP;
if (vs->alloctwobuffers) {
@ -930,7 +930,7 @@ void Gdi::drawBitmap(byte *ptr, VirtScreen *vs, int x, int y, const int h,
z_plane_ptr = zplane_list[1] + READ_LE_UINT16(zplane_list[1] + stripnr * 2 + 8);
for (i = 0; i < numzbuf; i++) {
_mask_ptr_dest = _vm->getResourceAddress(rtBuffer, 9) + y * _numStrips + x + _imgBufOffs[i];
if (_useOrDecompress && flag & dbAllowMaskOr)
if (useOrDecompress && (flag & dbAllowMaskOr))
decompressMaskImgOr(_mask_ptr_dest, z_plane_ptr, h);
else
decompressMaskImg(_mask_ptr_dest, z_plane_ptr, h);
@ -956,13 +956,13 @@ void Gdi::drawBitmap(byte *ptr, VirtScreen *vs, int x, int y, const int h,
if (offs) {
byte *z_plane_ptr = zplane_list[i] + offs;
if (_useOrDecompress && flag & dbAllowMaskOr) {
if (useOrDecompress && (flag & dbAllowMaskOr)) {
decompressMaskImgOr(_mask_ptr_dest, z_plane_ptr, h);
} else {
decompressMaskImg(_mask_ptr_dest, z_plane_ptr, h);
}
} else {
if (!(_useOrDecompress && flag & dbAllowMaskOr))
if (!(useOrDecompress && (flag & dbAllowMaskOr)))
for (int height = 0; height < h; height++)
_mask_ptr_dest[height * _numStrips] = 0;
/* needs better abstraction, FIXME */
@ -978,7 +978,7 @@ next_iter:
}
void Gdi::decompressBitmap(byte *bgbak_ptr, byte *smap_ptr, int numLinesToProcess)
bool Gdi::decompressBitmap(byte *bgbak_ptr, byte *smap_ptr, int numLinesToProcess)
{
byte code = *smap_ptr++;
assert(numLinesToProcess);
@ -988,16 +988,10 @@ void Gdi::decompressBitmap(byte *bgbak_ptr, byte *smap_ptr, int numLinesToProces
else
_palette_mod = 0;
_useOrDecompress = false;
bool useOrDecompress = false;
_decomp_shr = code % 10;
_decomp_mask = 0xFF >> (8 - _decomp_shr);
// Note that some of the decoders exist in pairs: one honors _transparency, the other not.
// The pairs are:
// unkDecode1 <-> unkDecode3
// unkDecode2 <-> unkDecode5
// unkDecode4 <-> unkDecode6
switch (code) {
case 1:
unkDecode7(bgbak_ptr, smap_ptr, numLinesToProcess);
@ -1024,7 +1018,7 @@ void Gdi::decompressBitmap(byte *bgbak_ptr, byte *smap_ptr, int numLinesToProces
case 16:
case 17:
case 18:
unkDecode6(bgbak_ptr, smap_ptr, numLinesToProcess);
unkDecodeC(bgbak_ptr, smap_ptr, numLinesToProcess);
break;
case 24:
@ -1032,7 +1026,7 @@ void Gdi::decompressBitmap(byte *bgbak_ptr, byte *smap_ptr, int numLinesToProces
case 26:
case 27:
case 28:
unkDecode5(bgbak_ptr, smap_ptr, numLinesToProcess);
unkDecodeB(bgbak_ptr, smap_ptr, numLinesToProcess);
break;
case 34:
@ -1040,8 +1034,8 @@ void Gdi::decompressBitmap(byte *bgbak_ptr, byte *smap_ptr, int numLinesToProces
case 36:
case 37:
case 38:
_useOrDecompress = true;
unkDecode4(bgbak_ptr, smap_ptr, numLinesToProcess);
useOrDecompress = true;
unkDecodeC_trans(bgbak_ptr, smap_ptr, numLinesToProcess);
break;
case 44:
@ -1049,8 +1043,8 @@ void Gdi::decompressBitmap(byte *bgbak_ptr, byte *smap_ptr, int numLinesToProces
case 46:
case 47:
case 48:
_useOrDecompress = true;
unkDecode2(bgbak_ptr, smap_ptr, numLinesToProcess);
useOrDecompress = true;
unkDecodeB_trans(bgbak_ptr, smap_ptr, numLinesToProcess);
break;
case 64:
@ -1063,7 +1057,7 @@ void Gdi::decompressBitmap(byte *bgbak_ptr, byte *smap_ptr, int numLinesToProces
case 106:
case 107:
case 108:
unkDecode1(bgbak_ptr, smap_ptr, numLinesToProcess);
unkDecodeA(bgbak_ptr, smap_ptr, numLinesToProcess);
break;
case 84:
@ -1076,13 +1070,15 @@ void Gdi::decompressBitmap(byte *bgbak_ptr, byte *smap_ptr, int numLinesToProces
case 126:
case 127:
case 128:
_useOrDecompress = true;
unkDecode3(bgbak_ptr, smap_ptr, numLinesToProcess);
useOrDecompress = true;
unkDecodeA_trans(bgbak_ptr, smap_ptr, numLinesToProcess);
break;
default:
error("Gdi::decompressBitmap: default case %d", code);
}
return useOrDecompress;
}
void Gdi::draw8ColWithMasking(byte *dst, byte *src, int height, byte *mask)
@ -1244,7 +1240,7 @@ void Gdi::decompressMaskImgOr(byte *dst, byte *src, int height)
#define READ_BIT (cl--, bit = bits&1, bits>>=1,bit)
#define FILL_BITS do { if (cl <= 8) { bits |= (*src++ << cl); cl += 8; } } while (0)
void Gdi::unkDecode1(byte *dst, byte *src, int height)
void Gdi::unkDecodeA(byte *dst, byte *src, int height)
{
byte color = *src++;
uint bits = *src++;
@ -1293,40 +1289,7 @@ void Gdi::unkDecode1(byte *dst, byte *src, int height)
} while (--height);
}
void Gdi::unkDecode2(byte *dst, byte *src, int height)
{
byte color = *src++;
uint bits = *src++;
byte cl = 8;
byte bit;
int8 inc = -1;
do {
int x = 8;
do {
FILL_BITS;
if (color != _transparency)
*dst = color + _palette_mod;
dst++;
if (!READ_BIT) {
} else if (!READ_BIT) {
FILL_BITS;
color = bits & _decomp_mask;
bits >>= _decomp_shr;
cl -= _decomp_shr;
inc = -1;
} else if (!READ_BIT) {
color += inc;
} else {
inc = -inc;
color += inc;
}
} while (--x);
dst += _vm->_realWidth - 8;
} while (--height);
}
void Gdi::unkDecode3(byte *dst, byte *src, int height)
void Gdi::unkDecodeA_trans(byte *dst, byte *src, int height)
{
byte color = *src++;
uint bits = *src++;
@ -1338,7 +1301,7 @@ void Gdi::unkDecode3(byte *dst, byte *src, int height)
int x = 8;
do {
FILL_BITS;
if (color != _transparency)
if (color != _transparentColor)
*dst = color + _palette_mod;
dst++;
@ -1365,7 +1328,7 @@ void Gdi::unkDecode3(byte *dst, byte *src, int height)
if (!--height)
return;
}
if (color != _transparency)
if (color != _transparentColor)
*dst = color + _palette_mod;
dst++;
} while (--reps);
@ -1379,41 +1342,7 @@ void Gdi::unkDecode3(byte *dst, byte *src, int height)
} while (--height);
}
void Gdi::unkDecode4(byte *dst, byte *src, int height)
{
byte color = *src++;
uint bits = *src++;
byte cl = 8;
byte bit;
int8 inc = -1;
int x = 8;
do {
int h = height;
do {
FILL_BITS;
if (color != _transparency)
*dst = color + _palette_mod;
dst += _vm->_realWidth;
if (!READ_BIT) {
} else if (!READ_BIT) {
FILL_BITS;
color = bits & _decomp_mask;
bits >>= _decomp_shr;
cl -= _decomp_shr;
inc = -1;
} else if (!READ_BIT) {
color += inc;
} else {
inc = -inc;
color += inc;
}
} while (--h);
dst -= _vertStripNextInc;
} while (--x);
}
void Gdi::unkDecode5(byte *dst, byte *src, int height)
void Gdi::unkDecodeB(byte *dst, byte *src, int height)
{
byte color = *src++;
uint bits = *src++;
@ -1444,7 +1373,40 @@ void Gdi::unkDecode5(byte *dst, byte *src, int height)
} while (--height);
}
void Gdi::unkDecode6(byte *dst, byte *src, int height)
void Gdi::unkDecodeB_trans(byte *dst, byte *src, int height)
{
byte color = *src++;
uint bits = *src++;
byte cl = 8;
byte bit;
int8 inc = -1;
do {
int x = 8;
do {
FILL_BITS;
if (color != _transparentColor)
*dst = color + _palette_mod;
dst++;
if (!READ_BIT) {
} else if (!READ_BIT) {
FILL_BITS;
color = bits & _decomp_mask;
bits >>= _decomp_shr;
cl -= _decomp_shr;
inc = -1;
} else if (!READ_BIT) {
color += inc;
} else {
inc = -inc;
color += inc;
}
} while (--x);
dst += _vm->_realWidth - 8;
} while (--height);
}
void Gdi::unkDecodeC(byte *dst, byte *src, int height)
{
byte color = *src++;
uint bits = *src++;
@ -1477,6 +1439,44 @@ void Gdi::unkDecode6(byte *dst, byte *src, int height)
} while (--x);
}
void Gdi::unkDecodeC_trans(byte *dst, byte *src, int height)
{
byte color = *src++;
uint bits = *src++;
byte cl = 8;
byte bit;
int8 inc = -1;
int x = 8;
do {
int h = height;
do {
FILL_BITS;
if (color != _transparentColor)
*dst = color + _palette_mod;
dst += _vm->_realWidth;
if (!READ_BIT) {
} else if (!READ_BIT) {
FILL_BITS;
color = bits & _decomp_mask;
bits >>= _decomp_shr;
cl -= _decomp_shr;
inc = -1;
} else if (!READ_BIT) {
color += inc;
} else {
inc = -inc;
color += inc;
}
} while (--h);
dst -= _vertStripNextInc;
} while (--x);
}
#undef READ_BIT
#undef FILL_BITS
/* Ender - Zak256/Indy256 decoders */
#define READ_256BIT \
if ((mask <<= 1) == 256) {buffer = *src++; mask = 1;} \
@ -1655,8 +1655,6 @@ void Gdi::unkDecode11(byte *dst, byte *src, int height)
#undef NEXT_ROW
#undef READ_256BIT
#undef READ_BIT
#undef FILL_BITS
#pragma mark -
@ -3209,7 +3207,7 @@ void Scumm::bompApplyMask(byte * line_buffer, byte * mask_src, byte bits, int32
}
line_buffer++;
bits >>= 1;
} while (bits != 0);
} while (bits);
bits = 128;
}
}
@ -3324,7 +3322,7 @@ void Scumm::decompressBomp(byte *dst, byte *src, int w, int h)
void Scumm::drawBomp(BompDrawData * bd, int decode_mode, int mask) {
byte skip_y = 128;
byte skip_y_new = 0;
byte bits = 0;
byte bits;
byte *mask_out = 0;
byte *charset_mask;
byte tmp;
@ -3423,8 +3421,9 @@ void Scumm::drawBomp(BompDrawData * bd, int decode_mode, int mask) {
}
}
if (clip_top-- > 0)
goto labelBompSkip;
if (clip_top > 0) {
clip_top--;
} else {
if (mask == 1) {
bompApplyMask(line_ptr, mask_out, bits, clip_right);
@ -3446,8 +3445,8 @@ void Scumm::drawBomp(BompDrawData * bd, int decode_mode, int mask) {
default:
error("Unknown bomp shadowMode %d", bd->shadowMode);
}
}
labelBompSkip:
mask_out += mask_pitch;
charset_mask += mask_pitch;
pos_y++;

17
scumm/gfx.h
View file

@ -131,17 +131,18 @@ protected:
byte _palette_mod;
byte _decomp_shr, _decomp_mask;
byte _transparency;
byte _transparentColor;
uint32 _vertStripNextInc;
/* Bitmap decompressors */
void decompressBitmap(byte *bgbak_ptr, byte *smap_ptr, int numLinesToProcess);
void unkDecode1(byte *dst, byte *src, int height);
void unkDecode2(byte *dst, byte *src, int height);
void unkDecode3(byte *dst, byte *src, int height);
void unkDecode4(byte *dst, byte *src, int height);
void unkDecode5(byte *dst, byte *src, int height);
void unkDecode6(byte *dst, byte *src, int height);
bool decompressBitmap(byte *bgbak_ptr, byte *smap_ptr, int numLinesToProcess);
void unkDecodeA(byte *dst, byte *src, int height);
void unkDecodeA_trans(byte *dst, byte *src, int height);
void unkDecodeB(byte *dst, byte *src, int height);
void unkDecodeB_trans(byte *dst, byte *src, int height);
void unkDecodeC(byte *dst, byte *src, int height);
void unkDecodeC_trans(byte *dst, byte *src, int height);
void unkDecode7(byte *dst, byte *src, int height);
void unkDecode8(byte *dst, byte *src, int height);
void unkDecode9(byte *dst, byte *src, int height);

2
scumm/saveload.cpp
View file

@ -425,7 +425,7 @@ void Scumm::saveOrLoad(Serializer *s, uint32 savegameVersion)
MKARRAY_OLD(Scumm, gfxUsageBits[0], sleUint32, 200, VER_V8, VER_V9),
MKARRAY(Scumm, gfxUsageBits[0], sleUint32, 410, VER_V10),
MKLINE(Scumm, gdi._transparency, sleByte, VER_V8),
MKLINE(Scumm, gdi._transparentColor, sleByte, VER_V8),
MKARRAY(Scumm, _currentPalette[0], sleByte, 768, VER_V8),
MKARRAY(Scumm, _proc_special_palette[0], sleByte, 256, VER_V8),

6
scumm/scummvm.cpp
View file

@ -934,11 +934,11 @@ void Scumm::initRoomSubBlocks()
ptr = findResourceData(MKID('TRNS'), roomptr);
if (ptr)
gdi._transparency = ptr[0];
gdi._transparentColor = ptr[0];
else if (_features & GF_AFTER_V8)
gdi._transparency = 5; // FIXME
gdi._transparentColor = 5; // FIXME
else
gdi._transparency = 255;
gdi._transparentColor = 255;
initBGBuffers(_scrHeight);

10
scumm/string.cpp
View file

@ -348,11 +348,11 @@ void Scumm::CHARSET_1()
void Scumm::description()
{
int c;
byte *buffer;
byte *buf;
buffer = _charsetBuffer;
buf = _charsetBuffer;
_string[0].ypos = camera._cur.y + 88;
_string[0].xpos = (_realWidth / 2) - (_charset->getStringWidth(0, buffer) >> 1);
_string[0].xpos = (_realWidth / 2) - (_charset->getStringWidth(0, buf) >> 1);
if (_string[0].xpos < 0)
_string[0].xpos = 0;
@ -373,7 +373,7 @@ void Scumm::description()
restoreCharsetBg();
do {
c = *buffer++;
c = *buf++;
if (c == 0) {
_haveMsg = 1;
break;
@ -554,7 +554,7 @@ void Scumm::drawString(int a)
if (_features & GF_AFTER_V7) {
_charset->_hasMask = true;
// FIXME - hos is supposed to ever work, since gdi._mask_left is by default set
// FIXME - how is this supposed to ever work, since gdi._mask_left is by default set
// to -1 to mark it as invalid. Hence this comparision will always leave it at -1,
// which implies that if the mask was marked invalid, it will always stay so.
// That seems odd and not at all to be the intended thing... or is it?