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Diffstat (limited to 'sword1/animation.cpp')
-rw-r--r-- | sword1/animation.cpp | 389 |
1 files changed, 389 insertions, 0 deletions
diff --git a/sword1/animation.cpp b/sword1/animation.cpp new file mode 100644 index 0000000000..1533dd5e74 --- /dev/null +++ b/sword1/animation.cpp @@ -0,0 +1,389 @@ +/* ScummVM - Scumm Interpreter + * Copyright (C) 2004 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + * + * $Header$ + * + */ + +#include "common/stdafx.h" +#include "common/file.h" +#include "sound/vorbis.h" + +#include "sword1/animation.h" + +namespace Sword1 { + +AnimationState::AnimationState(Screen *scr, SoundMixer *snd, OSystem *sys) + : _scr(scr), _snd(snd), _sys(sys) { +} + +AnimationState::~AnimationState() { +#ifdef USE_MPEG2 + _snd->stopHandle(bgSound); + if (decoder) + mpeg2_close(decoder); + delete mpgfile; + delete sndfile; +#ifndef BACKEND_8BIT + _sys->hide_overlay(); + delete overlay; +#endif +#endif +} + +bool AnimationState::init(const char *basename) { +#ifdef USE_MPEG2 + + char tempFile[512]; + + decoder = NULL; + mpgfile = NULL; + sndfile = NULL; + bgSoundStream = NULL; + +#ifdef BACKEND_8BIT + + int i, p; + + // Load lookup palettes + // TODO: Binary format so we can use File class + sprintf(tempFile, "%s.pal", basename); + FILE *f = fopen(tempFile, "r"); + + if (!f) { + warning("Cutscene: %s.pal palette missing", basename); + return false; + } + + p = 0; + while (!feof(f)) { + if (fscanf(f, "%i %i", &palettes[p].end, &palettes[p].cnt) != 2) + break; + for (i = 0; i < palettes[p].cnt; i++) { + int r, g, b; + fscanf(f, "%i", &r); + fscanf(f, "%i", &g); + fscanf(f, "%i", &b); + palettes[p].pal[4 * i] = r; + palettes[p].pal[4 * i + 1] = g; + palettes[p].pal[4 * i + 2] = b; + palettes[p].pal[4 * i + 3] = 0; + } + for (; i < 256; i++) { + palettes[p].pal[4 * i] = 0; + palettes[p].pal[4 * i + 1] = 0; + palettes[p].pal[4 * i + 2] = 0; + palettes[p].pal[4 * i + 3] = 0; + } + p++; + } + fclose(f); + + palnum = 0; + maxPalnum = p; + _sys->set_palette(palettes[palnum].pal, 0, 256); + lut = lut2 = lookup[0]; + curpal = -1; + cr = 0; + buildLookup(palnum, 256); + lut2 = lookup[1]; + lutcalcnum = (BITDEPTH + palettes[palnum].end + 2) / (palettes[palnum].end + 2); +#else + buildLookup2(); + overlay = (NewGuiColor*)calloc(640 * 400, sizeof(NewGuiColor)); + _sys->show_overlay(); +#endif + + // Open MPEG2 stream + mpgfile = new File(); + sprintf(tempFile, "%s.mp2", basename); + if (!mpgfile->open(tempFile)) { + warning("Cutscene: Could not open %s", tempFile); + return false; + } + + // Load and configure decoder + decoder = mpeg2_init(); + if (decoder == NULL) { + warning("Cutscene: Could not allocate an MPEG2 decoder"); + return false; + } + + info = mpeg2_info(decoder); + framenum = 0; + ticks = _sys->get_msecs(); + + /* Play audio - TODO: Sync with video?*/ + +#ifdef USE_VORBIS + // Another TODO: There is no reason that this only allows OGG, and not + // MP3, or any other format the mixer might support one day... is + // there? + sndfile = new File; + sprintf(tempFile, "%s.ogg", basename); + if (sndfile->open(tempFile)) { + bgSoundStream = makeVorbisStream(sndfile, sndfile->size()); + _snd->playInputStream(&bgSound, bgSoundStream, false, 255, 0, -1); + } + +#endif + + return true; +#else /* USE_MPEG2 */ + return false; +#endif +} + + +#ifdef BACKEND_8BIT +/** + * Build 'Best-Match' RGB lookup table + */ +void AnimationState::buildLookup(int p, int lines) { + int y, cb; + int r, g, b, ii; + + if (p >= maxPalnum) + return; + + if (p != curpal) { + curpal = p; + cr = 0; + pos = 0; + } + + if (cr >= BITDEPTH) + return; + + for (ii = 0; ii < lines; ii++) { + r = (-16 * 256 + (int) (256 * 1.596) * ((cr << SHIFT) - 128)) / 256; + for (cb = 0; cb < BITDEPTH; cb++) { + g = (-16 * 256 - (int) (0.813 * 256) * ((cr << SHIFT) - 128) - (int) (0.391 * 256) * ((cb << SHIFT) - 128)) / 256; + b = (-16 * 256 + (int) (2.018 * 256) * ((cb << SHIFT) - 128)) / 256; + + for (y = 0; y < BITDEPTH; y++) { + int idx, bst = 0; + int dis = 2 * SQR(r - palettes[p].pal[0]) + 4 * SQR(g - palettes[p].pal[1]) + SQR(b - palettes[p].pal[2]); + + for (idx = 1; idx < 256; idx++) { + long d2 = 2 * SQR(r - palettes[p].pal[4 * idx]) + 4 * SQR(g - palettes[p].pal[4 * idx + 1]) + SQR(b - palettes[p].pal[4 * idx + 2]); + if (d2 < dis) { + bst = idx; + dis = d2; + } + } + lut2[pos++] = bst; + + r += (1 << SHIFT); + g += (1 << SHIFT); + b += (1 << SHIFT); + } + r -= 256; + } + cr++; + if (cr >= BITDEPTH) + return; + } +} + +bool AnimationState::checkPaletteSwitch() { + // if we have reached the last image with this palette, switch to new one + if (framenum == palettes[palnum].end) { + unsigned char *l = lut2; + palnum++; + _sys->set_palette(palettes[palnum].pal, 0, 256); + lutcalcnum = (BITDEPTH + palettes[palnum].end - (framenum + 1) + 2) / (palettes[palnum].end - (framenum + 1) + 2); + lut2 = lut; + lut = l; + return true; + } + + return false; +} + +#else + +bool AnimationState::lookupInit = false; +NewGuiColor AnimationState::lookup2[BITDEPTH * BITDEPTH * 256]; + +void AnimationState::buildLookup2() { + + if (lookupInit) return; + lookupInit = true; + + int y, cb, cr; + int r, g, b; + int pos = 0; + + for (cr = 0; cr < BITDEPTH; cr++) { + for (cb = 0; cb < BITDEPTH; cb++) { + for (y = 0; y < 256; y++) { + r = ((y-16) * 256 + (int) (256 * 1.596) * ((cr << SHIFT) - 128)) / 256; + g = ((y-16) * 256 - (int) (0.813 * 256) * ((cr << SHIFT) - 128) - (int) (0.391 * 256) * ((cb << SHIFT) - 128)) / 256; + b = ((y-16) * 256 + (int) (2.018 * 256) * ((cb << SHIFT) - 128)) / 256; + + if (r < 0) r = 0; + if (r > 255) r = 255; + if (g < 0) g = 0; + if (g > 255) g = 255; + if (b < 0) b = 0; + if (b > 255) b = 255; + + lookup2[pos++] = _sys->RGBToColor(r, g, b); + } + } + } +} + +void AnimationState::plotYUV(NewGuiColor *lut, int width, int height, byte *const *dat) { + + NewGuiColor *ptr = overlay + (400-height)/2 * 640 + (640-width)/2; + + int x, y; + + int ypos = 0; + int cpos = 0; + int linepos = 0; + + for (y = 0; y < height; y += 2) { + for (x = 0; x < width; x += 2) { + int i = ((((dat[2][cpos] + ROUNDADD) >> SHIFT) * BITDEPTH) + ((dat[1][cpos] + ROUNDADD)>>SHIFT)) * 256; + cpos++; + + ptr[linepos ] = lut[i + dat[0][ ypos ]]; + ptr[640 + linepos++] = lut[i + dat[0][width + ypos++]]; + ptr[linepos ] = lut[i + dat[0][ ypos ]]; + ptr[640 + linepos++] = lut[i + dat[0][width + ypos++]]; + + } + linepos += (2 * 640 - width); + ypos += width; + } + + _sys->copy_rect_overlay(overlay, 640, 0, 40, 640, 400); +} + +#endif + +bool AnimationState::decodeFrame() { +#ifdef USE_MPEG2 + mpeg2_state_t state; + const mpeg2_sequence_t *sequence_i; + size_t size = (size_t) -1; + + do { + state = mpeg2_parse(decoder); + sequence_i = info->sequence; + + switch (state) { + case STATE_BUFFER: + size = mpgfile->read(buffer, BUFFER_SIZE); + mpeg2_buffer(decoder, buffer, buffer + size); + break; + + case STATE_SLICE: + case STATE_END: + if (info->display_fbuf) { + /* simple audio video sync code: + * we calculate the actual frame by taking the delivered audio samples + * we add 2 frames as the number of samples delivered is higher than the + * number actually played due to buffering + * + * we then try to stay inside +- 1 frame of this calculated frame number by + * dropping frames if we run behind and delaying if we are too fast + */ + +#ifdef BACKEND_8BIT + if (checkPaletteSwitch() || (bgSoundStream == 0) || + (bgSoundStream->getSamplesPlayed()*12/bgSoundStream->getRate()) < (framenum+3)){ + _scr->plotYUV(lut, sequence_i->width, sequence_i->height, info->display_fbuf->buf); + + if (bgSoundStream) { + while ((bgSoundStream->getSamplesPlayed()*12/bgSoundStream->getRate()) < framenum+1); + _sys->delay_msecs(10); + } else { + ticks += 83; + while (_sys->get_msecs() < ticks) + _sys->delay_msecs(10); + } + + + + } else + printf("dropped frame %i\n", framenum); + + buildLookup(palnum + 1, lutcalcnum); + +#else + + if ((bgSoundStream->getSamplesPlayed()*12/bgSoundStream->getRate()) < (framenum+3)){ + plotYUV(lookup2, sequence_i->width, sequence_i->height, info->display_fbuf->buf); + + if (bgSoundStream) { + while ((bgSoundStream->getSamplesPlayed()*12/bgSoundStream->getRate()) < framenum+1); + _sys->delay_msecs(10); + } else { + ticks += 83; + while (_sys->get_msecs() < ticks) + _sys->delay_msecs(10); + } + + } else + printf("dropped frame %i\n", framenum); + +#endif + + framenum++; + return true; + + } + break; + + default: + break; + } + } while (size); +#endif + return false; +} + +/** + * Plays an animated cutscene. + * @param filename the file name of the cutscene file + * @param text the subtitles and voiceovers for the cutscene + * @param musicOut lead-out music + */ + +void MoviePlayer::play(const char *filename) { +#ifdef USE_MPEG2 + AnimationState *anim = new AnimationState(_scr, _snd, _sys); + + if (anim->init(filename)) { + while (anim->decodeFrame()) { +#ifndef BACKEND_8BIT + _sys->update_screen(); +#endif + // FIXME: check for ESC and abbort animation be just returning from the function + } + } + + delete anim; + +#endif +} + +} // End of namespace Sword2 |