Moved engines to the new engines/ directory
svn-id: r20582
This commit is contained in:
Max Horn
parent
2a9a0d4211
commit
26ee630756
531 changed files with 454 additions and 454 deletions
303
engines/scumm/nut_renderer.cpp
Normal file
303
engines/scumm/nut_renderer.cpp
Normal file
|
|
@ -0,0 +1,303 @@
|
|||
/* ScummVM - Scumm Interpreter
|
||||
* Copyright (C) 2002-2006 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
||||
*
|
||||
* $URL$
|
||||
* $Id$
|
||||
*/
|
||||
|
||||
#include "common/stdafx.h"
|
||||
#include "scumm/scumm.h"
|
||||
#include "scumm/nut_renderer.h"
|
||||
#include "scumm/util.h"
|
||||
|
||||
namespace Scumm {
|
||||
|
||||
NutRenderer::NutRenderer(ScummEngine *vm) :
|
||||
_vm(vm),
|
||||
_loaded(false),
|
||||
_numChars(0) {
|
||||
memset(_chars, 0, sizeof(_chars));
|
||||
}
|
||||
|
||||
NutRenderer::~NutRenderer() {
|
||||
for (int i = 0; i < _numChars; i++) {
|
||||
delete []_chars[i].src;
|
||||
}
|
||||
}
|
||||
|
||||
void smush_decode_codec1(byte *dst, const byte *src, int left, int top, int width, int height, int pitch);
|
||||
|
||||
static void smush_decode_codec21(byte *dst, const byte *src, int width, int height, int pitch) {
|
||||
while (height--) {
|
||||
uint8 *dstPtrNext = dst + pitch;
|
||||
const uint8 *srcPtrNext = src + 2 + READ_LE_UINT16(src); src += 2;
|
||||
int len = width;
|
||||
do {
|
||||
int offs = READ_LE_UINT16(src); src += 2;
|
||||
dst += offs;
|
||||
len -= offs;
|
||||
if (len <= 0) {
|
||||
break;
|
||||
}
|
||||
int w = READ_LE_UINT16(src) + 1; src += 2;
|
||||
len -= w;
|
||||
if (len < 0) {
|
||||
w += len;
|
||||
}
|
||||
// the original codec44 handles this part slightly differently (this is the only difference with codec21) :
|
||||
// src bytes equal to 255 are replaced by 0 in dst
|
||||
// src bytes equal to 1 are replaced by a color passed as an argument in the original function
|
||||
// other src bytes values are copied as-is
|
||||
memcpy(dst, src, w); dst += w; src += w;
|
||||
} while (len > 0);
|
||||
dst = dstPtrNext;
|
||||
src = srcPtrNext;
|
||||
}
|
||||
}
|
||||
|
||||
bool NutRenderer::loadFont(const char *filename) {
|
||||
if (_loaded) {
|
||||
debug(0, "NutRenderer::loadFont() Font already loaded, ok, loading...");
|
||||
}
|
||||
|
||||
ScummFile file;
|
||||
_vm->openFile(file, filename);
|
||||
if (!file.isOpen()) {
|
||||
error("NutRenderer::loadFont() Can't open font file: %s", filename);
|
||||
return false;
|
||||
}
|
||||
|
||||
uint32 tag = file.readUint32BE();
|
||||
if (tag != 'ANIM') {
|
||||
error("NutRenderer::loadFont() there is no ANIM chunk in font header");
|
||||
return false;
|
||||
}
|
||||
|
||||
uint32 length = file.readUint32BE();
|
||||
byte *dataSrc = (byte *)malloc(length);
|
||||
file.read(dataSrc, length);
|
||||
file.close();
|
||||
|
||||
if (READ_BE_UINT32(dataSrc) != 'AHDR') {
|
||||
error("NutRenderer::loadFont() there is no AHDR chunk in font header");
|
||||
free(dataSrc);
|
||||
return false;
|
||||
}
|
||||
|
||||
_numChars = READ_LE_UINT16(dataSrc + 10);
|
||||
assert(_numChars <= ARRAYSIZE(_chars));
|
||||
uint32 offset = 0;
|
||||
for (int l = 0; l < _numChars; l++) {
|
||||
offset += READ_BE_UINT32(dataSrc + offset + 4) + 8;
|
||||
if (READ_BE_UINT32(dataSrc + offset) != 'FRME') {
|
||||
error("NutRenderer::loadFont(%s) there is no FRME chunk %d (offset %x)", filename, l, offset);
|
||||
break;
|
||||
}
|
||||
offset += 8;
|
||||
if (READ_BE_UINT32(dataSrc + offset) != 'FOBJ') {
|
||||
error("NutRenderer::loadFont(%s) there is no FOBJ chunk in FRME chunk %d (offset %x)", filename, l, offset);
|
||||
break;
|
||||
}
|
||||
int codec = READ_LE_UINT16(dataSrc + offset + 8);
|
||||
_chars[l].xoffs = READ_LE_UINT16(dataSrc + offset + 10);
|
||||
_chars[l].yoffs = READ_LE_UINT16(dataSrc + offset + 12);
|
||||
_chars[l].width = READ_LE_UINT16(dataSrc + offset + 14);
|
||||
_chars[l].height = READ_LE_UINT16(dataSrc + offset + 16);
|
||||
const int srcSize = _chars[l].width * _chars[l].height;
|
||||
_chars[l].src = new byte[srcSize];
|
||||
// If characters have transparency, then bytes just get skipped and
|
||||
// so there may appear some garbage. That's why we have to fill it
|
||||
// with zeroes first.
|
||||
memset(_chars[l].src, 0, srcSize);
|
||||
|
||||
const uint8 *fobjptr = dataSrc + offset + 22;
|
||||
switch (codec) {
|
||||
case 1:
|
||||
smush_decode_codec1(_chars[l].src, fobjptr, 0, 0, _chars[l].width, _chars[l].height, _chars[l].width);
|
||||
break;
|
||||
case 21:
|
||||
case 44:
|
||||
smush_decode_codec21(_chars[l].src, fobjptr, _chars[l].width, _chars[l].height, _chars[l].width);
|
||||
break;
|
||||
default:
|
||||
error("NutRenderer::loadFont: unknown codec: %d", codec);
|
||||
}
|
||||
}
|
||||
|
||||
free(dataSrc);
|
||||
_loaded = true;
|
||||
return true;
|
||||
}
|
||||
|
||||
int NutRenderer::getCharWidth(byte c) const {
|
||||
if (!_loaded) {
|
||||
error("NutRenderer::getCharWidth() Font is not loaded");
|
||||
return 0;
|
||||
}
|
||||
|
||||
if (c >= 0x80 && _vm->_useCJKMode)
|
||||
return _vm->_2byteWidth / 2;
|
||||
|
||||
if (c >= _numChars)
|
||||
error("invalid character in NutRenderer::getCharWidth : %d (%d)", c, _numChars);
|
||||
|
||||
return _chars[c].width;
|
||||
}
|
||||
|
||||
int NutRenderer::getCharHeight(byte c) const {
|
||||
if (!_loaded) {
|
||||
error("NutRenderer::getCharHeight() Font is not loaded");
|
||||
return 0;
|
||||
}
|
||||
|
||||
if (c >= 0x80 && _vm->_useCJKMode)
|
||||
return _vm->_2byteHeight;
|
||||
|
||||
if (c >= _numChars)
|
||||
error("invalid character in NutRenderer::getCharHeight : %d (%d)", c, _numChars);
|
||||
|
||||
return _chars[c].height;
|
||||
}
|
||||
|
||||
void NutRenderer::drawShadowChar(const Graphics::Surface &s, int c, int x, int y, byte color, bool showShadow) {
|
||||
if (!_loaded) {
|
||||
error("NutRenderer::drawShadowChar() Font is not loaded");
|
||||
return;
|
||||
}
|
||||
|
||||
// HACK: we draw the character a total of 7 times: 6 times shifted
|
||||
// and in black for the shadow, and once in the right color and position.
|
||||
// This way we achieve the exact look as the original CMI had. However,
|
||||
// the question remains whether they did it this way, too, or if there is
|
||||
// some "font shadow" resource we don't know yet.
|
||||
|
||||
static const int offsetX[7] = { -1, 0, 1, 0, 1, 2, 0 };
|
||||
static const int offsetY[7] = { 0, -1, 0, 1, 2, 1, 0 };
|
||||
const int cTable[7] = { 0, 0, 0, 0, 0, 0, color };
|
||||
int i = 0;
|
||||
|
||||
if (!showShadow)
|
||||
i = 6;
|
||||
|
||||
for (; i < 7; i++) {
|
||||
x += offsetX[i];
|
||||
y += offsetY[i];
|
||||
color = cTable[i];
|
||||
|
||||
if (c >= 256 && _vm->_useCJKMode)
|
||||
draw2byte(s, c, x, y, color);
|
||||
else
|
||||
drawChar(s, (byte)c, x, y, color);
|
||||
|
||||
x -= offsetX[i];
|
||||
y -= offsetY[i];
|
||||
}
|
||||
}
|
||||
|
||||
void NutRenderer::drawFrame(byte *dst, int c, int x, int y) {
|
||||
const int width = MIN(_chars[c].width, _vm->_screenWidth - x);
|
||||
const int height = MIN(_chars[c].height, _vm->_screenHeight - y);
|
||||
const byte *src = _chars[c].src;
|
||||
const int srcPitch = _chars[c].width;
|
||||
byte bits = 0;
|
||||
|
||||
const int minX = x < 0 ? -x : 0;
|
||||
const int minY = y < 0 ? -y : 0;
|
||||
|
||||
if (height <= 0 || width <= 0) {
|
||||
return;
|
||||
}
|
||||
|
||||
dst += _vm->_screenWidth * y + x;
|
||||
if (minY) {
|
||||
src += minY * srcPitch;
|
||||
dst += minY * _vm->_screenWidth;
|
||||
}
|
||||
|
||||
for (int ty = minY; ty < height; ty++) {
|
||||
for (int tx = minX; tx < width; tx++) {
|
||||
bits = src[tx];
|
||||
if (bits != 231 && bits) {
|
||||
dst[tx] = bits;
|
||||
}
|
||||
}
|
||||
src += srcPitch;
|
||||
dst += _vm->_screenWidth;
|
||||
}
|
||||
}
|
||||
|
||||
void NutRenderer::drawChar(const Graphics::Surface &s, byte c, int x, int y, byte color) {
|
||||
byte *dst = (byte *)s.pixels + y * s.pitch + x;
|
||||
const int width = MIN(_chars[c].width, s.w - x);
|
||||
const int height = MIN(_chars[c].height, s.h - y);
|
||||
const byte *src = _chars[c].src;
|
||||
const int srcPitch = _chars[c].width;
|
||||
|
||||
const int minX = x < 0 ? -x : 0;
|
||||
const int minY = y < 0 ? -y : 0;
|
||||
|
||||
if (height <= 0 || width <= 0) {
|
||||
return;
|
||||
}
|
||||
|
||||
if (minY) {
|
||||
src += minY * srcPitch;
|
||||
dst += minY * s.pitch;
|
||||
}
|
||||
|
||||
for (int ty = minY; ty < height; ty++) {
|
||||
for (int tx = minX; tx < width; tx++) {
|
||||
if (src[tx] != 0) {
|
||||
dst[tx] = color;
|
||||
}
|
||||
}
|
||||
src += srcPitch;
|
||||
dst += s.pitch;
|
||||
}
|
||||
}
|
||||
|
||||
void NutRenderer::draw2byte(const Graphics::Surface &s, int c, int x, int y, byte color) {
|
||||
if (!_loaded) {
|
||||
error("NutRenderer::draw2byte() Font is not loaded");
|
||||
return;
|
||||
}
|
||||
|
||||
byte *dst = (byte *)s.pixels + y * s.pitch + x;
|
||||
const int width = _vm->_2byteWidth;
|
||||
const int height = MIN(_vm->_2byteHeight, s.h - y);
|
||||
const byte *src = _vm->get2byteCharPtr(c);
|
||||
byte bits = 0;
|
||||
|
||||
if (height <= 0 || width <= 0) {
|
||||
return;
|
||||
}
|
||||
|
||||
for (int ty = 0; ty < height; ty++) {
|
||||
for (int tx = 0; tx < width; tx++) {
|
||||
if ((tx & 7) == 0)
|
||||
bits = *src++;
|
||||
if (x + tx < 0 || x + tx >= s.w || y + ty < 0)
|
||||
continue;
|
||||
if (bits & revBitMask(tx % 8)) {
|
||||
dst[tx] = color;
|
||||
}
|
||||
}
|
||||
dst += s.pitch;
|
||||
}
|
||||
}
|
||||
|
||||
} // End of namespace Scumm
|
||||
Loading…
Add table
Add a link
Reference in a new issue