mirror of
https://github.com/libretro/scummvm.git
synced 2024-12-22 01:39:57 +00:00
310 lines
7.4 KiB
C++
310 lines
7.4 KiB
C++
/* 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 "toon/picture.h"
|
|
#include "toon/tools.h"
|
|
#include "common/stack.h"
|
|
|
|
namespace Toon {
|
|
|
|
bool Picture::loadPicture(Common::String file, bool totalPalette /*= false*/) {
|
|
debugC(1, kDebugPicture, "loadPicture(%s, %d)", file.c_str(), (totalPalette) ? 1 : 0);
|
|
|
|
uint32 size = 0;
|
|
uint8 *fileData = _vm->resources()->getFileData(file, &size);
|
|
if (!fileData)
|
|
return false;
|
|
|
|
_useFullPalette = totalPalette;
|
|
|
|
uint32 compId = READ_BE_UINT32(fileData);
|
|
|
|
switch (compId) {
|
|
case kCompLZSS: {
|
|
uint32 dstsize = READ_LE_UINT32(fileData + 4);
|
|
_data = new uint8[dstsize];
|
|
decompressLZSS(fileData + 8, _data, dstsize);
|
|
|
|
// size can only be 640x400 or 1280x400
|
|
if (dstsize > 640 * 400 + 768)
|
|
_width = 1280;
|
|
else
|
|
_width = 640;
|
|
|
|
_height = 400;
|
|
|
|
// do we have a palette ?
|
|
_paletteEntries = (dstsize & 0x7ff) / 3;
|
|
if (_paletteEntries) {
|
|
_palette = new uint8[_paletteEntries * 3];
|
|
memcpy(_palette, _data + dstsize - (dstsize & 0x7ff), _paletteEntries * 3);
|
|
_vm->fixPaletteEntries(_palette, _paletteEntries);
|
|
} else {
|
|
_palette = 0;
|
|
}
|
|
return true;
|
|
}
|
|
case kCompSPCN: {
|
|
uint32 decSize = READ_LE_UINT32(fileData + 10);
|
|
_data = new uint8[decSize+100];
|
|
_paletteEntries = READ_LE_UINT16(fileData + 14) / 3;
|
|
|
|
if (_paletteEntries) {
|
|
_palette = new uint8[_paletteEntries * 3];
|
|
memcpy(_palette, fileData + 16, _paletteEntries * 3);
|
|
_vm->fixPaletteEntries(_palette, _paletteEntries);
|
|
}
|
|
|
|
// size can only be 640x400 or 1280x400
|
|
if (decSize > 640 * 400 + 768)
|
|
_width = 1280;
|
|
else
|
|
_width = 640;
|
|
|
|
_height = 400;
|
|
|
|
// decompress the picture into our buffer
|
|
decompressSPCN(fileData + 16 + _paletteEntries * 3, _data, decSize);
|
|
return true;
|
|
}
|
|
case kCompRNC1: {
|
|
Toon::RncDecoder rnc;
|
|
|
|
// allocate enough place
|
|
uint32 decSize = READ_BE_UINT32(fileData + 4);
|
|
|
|
_data = new uint8[decSize];
|
|
|
|
rnc.unpackM1(fileData, _data);
|
|
|
|
// size can only be 640x400 or 1280x400
|
|
if (decSize > 640 * 400 + 768)
|
|
_width = 1280;
|
|
else
|
|
_width = 640;
|
|
|
|
_height = 400;
|
|
return true;
|
|
}
|
|
case kCompRNC2: {
|
|
Toon::RncDecoder rnc;
|
|
|
|
// allocate enough place
|
|
uint32 decSize = READ_BE_UINT32(fileData + 4);
|
|
|
|
_data = new uint8[decSize];
|
|
|
|
decSize = rnc.unpackM2(fileData, _data);
|
|
|
|
if (decSize > 640 * 400 + 768)
|
|
_width = 1280;
|
|
else
|
|
_width = 640;
|
|
|
|
_height = 400;
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
Picture::Picture(ToonEngine *vm) : _vm(vm) {
|
|
_data = NULL;
|
|
_palette = NULL;
|
|
}
|
|
|
|
Picture::~Picture() {
|
|
delete[] _data;
|
|
delete[] _palette;
|
|
}
|
|
|
|
void Picture::setupPalette() {
|
|
debugC(1, kDebugPicture, "setupPalette()");
|
|
|
|
if (_useFullPalette)
|
|
_vm->setPaletteEntries(_palette, 0, 256);
|
|
else
|
|
_vm->setPaletteEntries(_palette, 1, 128);
|
|
}
|
|
|
|
void Picture::drawMask(Graphics::Surface &surface, int32 x, int32 y, int32 dx, int32 dy) {
|
|
debugC(1, kDebugPicture, "drawMask(surface, %d, %d, %d, %d)", x, y, dx, dy);
|
|
|
|
for (int32 i = 0; i < 128; i++) {
|
|
byte color[3];
|
|
color[0] = i * 2;
|
|
color[1] = i * 2;
|
|
color[2] = 255 - i * 2;
|
|
_vm->setPaletteEntries(color, i, 1);
|
|
}
|
|
|
|
int32 rx = MIN(_width, surface.w - x);
|
|
int32 ry = MIN(_height, surface.h - y);
|
|
|
|
if (rx < 0 || ry < 0)
|
|
return;
|
|
|
|
int32 destPitch = surface.pitch;
|
|
int32 srcPitch = _width;
|
|
uint8 *c = _data + _width * dy + dx;
|
|
uint8 *curRow = (uint8 *)surface.pixels + y * destPitch + x;
|
|
|
|
for (int32 yy = 0; yy < ry; yy++) {
|
|
uint8 *curSrc = c;
|
|
uint8 *cur = curRow;
|
|
for (int32 xx = 0; xx < rx; xx++) {
|
|
//*cur = (*curSrc >> 5) * 8; // & 0x1f;
|
|
*cur = (*curSrc & 0x1f) ? 127 : 0;
|
|
|
|
curSrc++;
|
|
cur++;
|
|
}
|
|
curRow += destPitch;
|
|
c += srcPitch;
|
|
}
|
|
}
|
|
|
|
void Picture::draw(Graphics::Surface &surface, int32 x, int32 y, int32 dx, int32 dy) {
|
|
debugC(6, kDebugPicture, "draw(surface, %d, %d, %d, %d)", x, y, dx, dy);
|
|
|
|
int32 rx = MIN(_width, surface.w - x);
|
|
int32 ry = MIN(_height, surface.h - y);
|
|
|
|
if (rx < 0 || ry < 0)
|
|
return;
|
|
|
|
int32 destPitch = surface.pitch;
|
|
int32 srcPitch = _width;
|
|
uint8 *c = _data + _width * dy + dx;
|
|
uint8 *curRow = (uint8 *)surface.pixels + y * destPitch + x;
|
|
|
|
for (int32 yy = 0; yy < ry; yy++) {
|
|
uint8 *curSrc = c;
|
|
uint8 *cur = curRow;
|
|
for (int32 xx = 0; xx < rx; xx++) {
|
|
*cur = *curSrc;
|
|
curSrc++;
|
|
cur++;
|
|
}
|
|
curRow += destPitch;
|
|
c += srcPitch;
|
|
}
|
|
}
|
|
|
|
uint8 Picture::getData(int32 x, int32 y) {
|
|
debugC(6, kDebugPicture, "getData(%d, %d)", x, y);
|
|
|
|
if (!_data)
|
|
return 0;
|
|
|
|
return _data[y * _width + x];
|
|
}
|
|
|
|
// use original work from johndoe
|
|
void Picture::floodFillNotWalkableOnMask(int32 x, int32 y) {
|
|
debugC(1, kDebugPicture, "floodFillNotWalkableOnMask(%d, %d)", x, y);
|
|
// Stack-based floodFill algorithm based on
|
|
// http://student.kuleuven.be/~m0216922/CG/files/floodfill.cpp
|
|
Common::Stack<Common::Point> stack;
|
|
bool spanLeft, spanRight;
|
|
stack.push(Common::Point(x, y));
|
|
while (!stack.empty()) {
|
|
Common::Point pt = stack.pop();
|
|
while (_data[pt.x + pt.y * _width] & 0x1F && pt.y >= 0)
|
|
pt.y--;
|
|
pt.y++;
|
|
spanLeft = false;
|
|
spanRight = false;
|
|
while (_data[pt.x + pt.y * _width] & 0x1F && pt.y < _height) {
|
|
_data[pt.x + pt.y * _width] &= 0xE0;
|
|
if (!spanLeft && pt.x > 0 && _data[pt.x - 1 + pt.y * _width] & 0x1F) {
|
|
stack.push(Common::Point(pt.x - 1, pt.y));
|
|
spanLeft = 1;
|
|
} else if (spanLeft && pt.x > 0 && !(_data[pt.x - 1 + pt.y * _width] & 0x1F)) {
|
|
spanLeft = 0;
|
|
}
|
|
if (!spanRight && pt.x < _width - 1 && _data[pt.x + 1 + pt.y * _width] & 0x1F) {
|
|
stack.push(Common::Point(pt.x + 1, pt.y));
|
|
spanRight = 1;
|
|
} else if (spanRight && pt.x < _width - 1 && !(_data[pt.x + 1 + pt.y * _width] & 0x1F)) {
|
|
spanRight = 0;
|
|
}
|
|
pt.y++;
|
|
}
|
|
}
|
|
}
|
|
|
|
void Picture::drawLineOnMask(int32 x, int32 y, int32 x2, int32 y2, bool walkable) {
|
|
debugC(1, kDebugPicture, "drawLineOnMask(%d, %d, %d, %d, %d)", x, y, x2, y2, (walkable) ? 1 : 0);
|
|
static int32 lastX = 0;
|
|
static int32 lastY = 0;
|
|
|
|
if (x == -1) {
|
|
x = lastX;
|
|
y = lastY;
|
|
}
|
|
|
|
uint32 bx = x << 16;
|
|
int32 dx = x2 - x;
|
|
uint32 by = y << 16;
|
|
int32 dy = y2 - y;
|
|
uint32 adx = abs(dx);
|
|
uint32 ady = abs(dy);
|
|
int32 t = 0;
|
|
if (adx <= ady)
|
|
t = ady;
|
|
else
|
|
t = adx;
|
|
|
|
|
|
int32 cdx = (dx << 16) / t;
|
|
int32 cdy = (dy << 16) / t;
|
|
|
|
int32 i = t;
|
|
while (i) {
|
|
|
|
int32 rx = bx >> 16;
|
|
int32 ry = by >> 16;
|
|
|
|
if( rx >= 0 && rx < _width-1 && ry >= 0 && ry < _height) { // sanity check: some lines in the game
|
|
// were drawing outside the screen causing corruption
|
|
if (!walkable) {
|
|
_data[_width * ry + rx] &= 0xe0;
|
|
_data[_width * ry + rx+1] &= 0xe0;
|
|
} else {
|
|
int32 v = _data[_width * (by >> 16) + rx - 1];
|
|
_data[_width * ry + rx] = v;
|
|
_data[_width * ry + rx+1] = v;
|
|
}
|
|
}
|
|
|
|
bx += cdx;
|
|
by += cdy;
|
|
i--;
|
|
}
|
|
}
|
|
} // End of namespace Toon
|