scummvm/lipsynch.cpp
2005-01-01 21:07:52 +00:00

110 lines
3.5 KiB
C++

// Residual - Virtual machine to run LucasArts' 3D adventure games
// Copyright (C) 2003-2005 The ScummVM-Residual Team (www.scummvm.org)
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
//
// This library 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
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#include "stdafx.h"
#include "bits.h"
#include "debug.h"
#include "lipsynch.h"
#include <cstring>
#include <SDL_endian.h>
// A new define that'll be around when theres a configure script :)
#undef DEBUG_VERBOSE
LipSynch::LipSynch(const char *filename, const char *data, int len) :
Resource(filename) {
uint16 readPhoneme;
int j;
if (std::memcmp(data, "LIP!", 4) != 0) {
error("Invalid file format in %s\n", filename);
} else {
_numEntries = (len - 8) / 4;
// There are cases where the lipsync file has no entries
if (_numEntries == 0) {
_entries = NULL;
}
else {
data += 8;
#ifdef DEBUG_VERBOSE
printf("Reading LipSynch %s, %d entries\n", filename, _numEntries);
#endif
_entries = new LipEntry[_numEntries];
for (int i = 0; i < _numEntries; i++) {
_entries[i].frame = READ_LE_UINT16(data);
readPhoneme = READ_LE_UINT16(data + 2);
// Look for the animation corresponding to the phoneme
for (j = 0; j < _animTableSize && readPhoneme != _animTable[j].phoneme; j++);
if (readPhoneme != _animTable[j].phoneme) {
warning("Unknown phoneme: 0x%X in file %s\n", readPhoneme, filename);
_entries[i].anim = 1;
} else
_entries[i].anim = _animTable[j].anim;
data += 4;
}
#ifdef DEBUG_VERBOSE
for (int j = 0; j < _numEntries; j++)
printf("LIP %d) frame %d, anim %d\n", j, _entries[j].frame, _entries[j].anim);
#endif
}
}
}
LipSynch::~LipSynch() {
delete[] _entries;
}
int LipSynch::getAnim(int pos) {
int frame1, frame2;
// tune a bit to prevent internal imuse drift
pos += 15;
for (int i = 0; i < _numEntries; i++) {
frame1 = _entries[i].frame;
if ((i + 1) < _numEntries) {
frame2 = _entries[i + 1].frame;
} else {
frame2 = (unsigned int)-1L;
}
if ((pos >= frame1) && (pos < frame2)) {
//printf("frame1: %d, frame2: %d, pos: %d, i: %d, num: %d\n", frame1, frame2, pos, i, _numEntries -1);
return _entries[i].anim;
}
}
return -1;
}
const LipSynch::PhonemeAnim LipSynch::_animTable[] = {
{0x005F, 0}, {0x0251, 1}, {0x0061, 1}, {0x00E6, 1}, {0x028C, 8},
{0x0254, 1}, {0x0259, 1}, {0x0062, 6}, {0x02A7, 2}, {0x0064, 2},
{0x00F0, 5}, {0x025B, 8}, {0x0268, 8}, {0x025A, 9}, {0x025D, 9},
{0x0065, 1}, {0x0066, 4}, {0x0067, 8}, {0x0261, 8}, {0x0068, 8},
{0x026A, 8}, {0x0069, 3}, {0x02A4, 2}, {0x006B, 2}, {0x006C, 5},
{0x026B, 5}, {0x006D, 6}, {0x006E, 8}, {0x014B, 8}, {0x006F, 7},
{0x0070, 6}, {0x0072, 2}, {0x027B, 2}, {0x0279, 2}, {0x0073, 2},
{0x0283, 2}, {0x0074, 2}, {0x027E, 2}, {0x03B8, 5}, {0x028A, 9},
{0x0075, 9}, {0x0076, 4}, {0x0077, 9}, {0x006A, 8}, {0x007A, 2},
{0x0292, 2}, {0x002E, 2}
};
const int LipSynch::_animTableSize = sizeof(LipSynch::_animTable) / sizeof(LipSynch::_animTable[0]);