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CHEWY: Add support for palette fadeout to videos

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This commit is contained in:
Filippos Karapetis 2016-10-10 04:42:06 +03:00
parent a292fcdd93
commit 684cbfa2fd
3 changed files with 25 additions and 5 deletions
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3
engines/chewy/graphics.cpp
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@ -128,7 +128,9 @@ void Graphics::playVideo(uint num) {
uint16 x = (g_system->getWidth() - cfoDecoder->getWidth()) / 2;
uint16 y = (g_system->getHeight() - cfoDecoder->getHeight()) / 2;
bool skipVideo = false;
byte curPalette[256 * 3];
g_system->getPaletteManager()->grabPalette(curPalette, 0, 256);
hideCursor();
cfoDecoder->start();
@ -157,6 +159,7 @@ void Graphics::playVideo(uint num) {
cfoDecoder->close();
g_system->getPaletteManager()->setPalette(curPalette, 0, 256);
showCursor();
}

26
engines/chewy/video/cfo_decoder.cpp
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@ -23,6 +23,7 @@
#include "common/events.h"
#include "common/system.h"
#include "engines/engine.h"
#include "graphics/palette.h"
#include "video/flic_decoder.h"
#include "chewy/sound.h"
@ -175,7 +176,7 @@ void CfoDecoder::CfoVideoTrack::handleFrame() {
void CfoDecoder::CfoVideoTrack::handleCustomFrame() {
uint16 chunkCount = _fileStream->readUint16LE();
uint16 delay, number, channel, volume, repeat, balance;
uint16 number, channel, volume, repeat, balance;
// Read subchunks
for (uint32 i = 0; i < chunkCount; ++i) {
@ -188,10 +189,8 @@ void CfoDecoder::CfoVideoTrack::handleCustomFrame() {
break;
case kChunkFadeOut:
// Used in video 0
delay = _fileStream->readUint16LE();
warning("kChunkFadeOut, delay %d", delay);
// TODO
_fileStream->skip(2); // delay, unused
fadeOut();
break;
case kChunkLoadMusic:
// Used in videos 0, 18, 34, 71
@ -300,4 +299,21 @@ void CfoDecoder::CfoVideoTrack::handleCustomFrame() {
}
}
void CfoDecoder::CfoVideoTrack::fadeOut() {
for (int j = 0; j < 64; j++) {
for (int i = 0; i < 256; i++) {
if (_palette[i * 3 + 0] > 0)
--_palette[i * 3 + 0];
if (_palette[i * 3 + 1] > 0)
--_palette[i * 3 + 1];
if (_palette[i * 3 + 2] > 0)
--_palette[i * 3 + 2];
}
g_system->getPaletteManager()->setPalette(_palette, 0, 256);
g_system->updateScreen();
g_system->delayMillis(10);
}
}
} // End of namespace Chewy

1
engines/chewy/video/cfo_decoder.h
View File

@ -58,6 +58,7 @@ private:
private:
void handleFrame();
void handleCustomFrame();
void fadeOut();
Sound *_sound;