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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* $URL$
* $Id$
*
*/
#include "common/endian.h"
#include "common/savefile.h"
#include "graphics/conversion.h"
#include "gob/gob.h"
#include "gob/video.h"
#include "gob/util.h"
#include "gob/draw.h"
#include "gob/global.h"
namespace Gob {
Video_v6::Video_v6(GobEngine *vm) : Video_v2(vm) {
}
char Video_v6::spriteUncompressor(byte *sprBuf, int16 srcWidth, int16 srcHeight,
int16 x, int16 y, int16 transp, Surface &destDesc) {
if ((sprBuf[0] == 1) && (sprBuf[1] == 3)) {
drawPacked(sprBuf, x, y, destDesc);
return 1;
}
if (srcWidth & 0xC000) {
warning("Playtoons Stub: srcWidth & 0xC000 == %04X", srcWidth & 0xC000);
srcWidth &= 0x3FFF;
}
if ((sprBuf[0] == 1) && (sprBuf[1] == 2)) {
if (Video_v2::spriteUncompressor(sprBuf, srcWidth, srcHeight, x, y, transp, destDesc))
return 1;
Video::drawPacked(sprBuf, srcWidth, srcHeight, x, y, transp, destDesc);
return 1;
}
warning("Urban Stub: spriteUncompressor(), sprBuf[0,1,2] = %d,%d,%d",
sprBuf[0], sprBuf[1], sprBuf[2]);
return 1;
}
/*
void Video_v6::fillRect(Surface &dest,
int16 left, int16 top, int16 right, int16 bottom, int16 color) {
if (!(color & 0xFF00)) {
Video::fillRect(dest, left, top, right, bottom, color);
return;
}
if (!(color & 0x0100)) {
Video::fillRect(dest, left, top, right, bottom, color);
return;
}
if (_doRangeClamp) {
if (left > right)
SWAP(left, right);
if (top > bottom)
SWAP(top, bottom);
if ((left >= dest.getWidth()) || (right < 0) ||
(top >= dest.getHeight()) || (bottom < 0))
return;
left = CLIP(left, (int16)0, (int16)(dest.getWidth() - 1));
top = CLIP(top, (int16)0, (int16)(dest.getHeight() - 1));
right = CLIP(right, (int16)0, (int16)(dest.getWidth() - 1));
bottom = CLIP(bottom, (int16)0, (int16)(dest.getHeight() - 1));
}
byte strength = 16 - (((uint16) color) >> 12);
shadeRect(dest, left, top, right, bottom, color, strength);
}
*/
void Video_v6::shadeRect(Surface &dest,
int16 left, int16 top, int16 right, int16 bottom, byte color, byte strength) {
warning("TODO: Video_v6::shadeRect()");
/*
int width = right - left + 1;
int height = bottom - top + 1;
int dWidth = dest.getWidth();
byte *vidMem = dest.getVidMem() + dWidth * top + left;
byte sY, sU, sV;
//_palLUT->getEntry(color, sY, sU, sV);
int shadeY = sY * (16 - strength);
int shadeU = sU * (16 - strength);
int shadeV = sV * (16 - strength);
Graphics::SierraLight *dither =
new Graphics::SierraLight(width, _palLUT);
for (int i = 0; i < height; i++) {
byte *d = vidMem;
for (int j = 0; j < width; j++) {
byte dY, dU, dV;
byte dC = *d;
_palLUT->getEntry(dC, dY, dU, dV);
dY = CLIP<int>((shadeY + strength * dY) >> 4, 0, 255);
dU = CLIP<int>((shadeU + strength * dU) >> 4, 0, 255);
dV = CLIP<int>((shadeV + strength * dV) >> 4, 0, 255);
*d++ = dither->dither(dY, dU, dV, j);
}
dither->nextLine();
vidMem += dWidth;
}
delete dither;
*/
}
void Video_v6::drawPacked(const byte *sprBuf, int16 x, int16 y, Surface &surfDesc) {
const byte *data = sprBuf + 2;
int16 width = READ_LE_UINT16(data);
int16 height = READ_LE_UINT16(data + 2);
data += 4;
const byte *srcData = data;
byte *uncBuf = 0;
if (*srcData++ != 0) {
uint32 size = READ_LE_UINT32(data);
uncBuf = new byte[size];
//spriteUncompressor(data, buf);
warning("Urban Stub: drawPacked: spriteUncompressor(data, uncBuf)");
srcData = uncBuf;
}
drawYUVData(srcData, surfDesc, width, height, x, y);
delete[] uncBuf;
}
void Video_v6::drawYUVData(const byte *srcData, Surface &destDesc,
int16 width, int16 height, int16 x, int16 y) {
int16 dataWidth = width;
int16 dataHeight = height;
if (dataWidth & 0xF)
dataWidth = (dataWidth & 0xFFF0) + 16;
if (dataHeight & 0xF)
dataHeight = (dataHeight & 0xFFF0) + 16;
const byte *dataY = srcData;
const byte *dataU = dataY + (dataWidth * dataHeight);
const byte *dataV = dataU + ((dataWidth * dataHeight) >> 4);
drawYUV(destDesc, x, y, dataWidth, dataHeight, width, height, dataY, dataU, dataV);
}
void Video_v6::drawYUV(Surface &destDesc, int16 x, int16 y,
int16 dataWidth, int16 dataHeight, int16 width, int16 height,
const byte *dataY, const byte *dataU, const byte *dataV) {
const Graphics::PixelFormat &pixelFormat = _vm->getPixelFormat();
if ((x + width - 1) >= destDesc.getWidth())
width = destDesc.getWidth() - x;
if ((y + height - 1) >= destDesc.getHeight())
height = destDesc.getHeight() - y;
Pixel dst = destDesc.get(x, y);
for (int i = 0; i < height; i++) {
Pixel dstRow = dst;
for (int j = 0; j < width; j++, dstRow++) {
// Get (7bit) YUV data
byte dY = dataY[j ] << 1;
byte dU = dataU[j >> 2] << 1;
byte dV = dataV[j >> 2] << 1;
byte r, g, b;
Graphics::YUV2RGB(dY, dU, dV, r, g, b);
if (dY != 0) {
// Solid pixel
uint32 c = pixelFormat.RGBToColor(r, g, b);
// If the solid pixel's value is 0, we'll fudge it to 1
dstRow.set((c == 0) ? 1 : c);
} else
// Transparent pixel, we'll use pixel value 0
dstRow.set(0);
}
dst += destDesc.getWidth();
dataY += dataWidth;
if ((i & 3) == 3) {
// Next line of chroma data
dataU += dataWidth >> 2;
dataV += dataWidth >> 2;
}
}
}
} // End of namespace Gob
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