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-rw-r--r--engines/sci/engine/kernel.cpp1
-rw-r--r--engines/sci/engine/kernel.h1
-rw-r--r--engines/sci/engine/kgraphics.cpp43
-rw-r--r--engines/sci/gfx/seq_decoder.cpp197
-rw-r--r--engines/sci/gfx/seq_decoder.h48
-rw-r--r--engines/sci/module.mk1
6 files changed, 291 insertions, 0 deletions
diff --git a/engines/sci/engine/kernel.cpp b/engines/sci/engine/kernel.cpp
index b84466e852..7985d3301b 100644
--- a/engines/sci/engine/kernel.cpp
+++ b/engines/sci/engine/kernel.cpp
@@ -210,6 +210,7 @@ SciKernelFunction kfunct_mappers[] = {
DEFUN("DoSync", kDoSync, ".*"),
DEFUN("ResCheck", kResCheck, "iii*"),
DEFUN("SetQuitStr", kSetQuitStr, "r"),
+ DEFUN("ShowMovie", kShowMovie, "ri"),
// Special and NOP stuff
{KF_NEW, NULL, k_Unknown, NULL},
diff --git a/engines/sci/engine/kernel.h b/engines/sci/engine/kernel.h
index da3dca9ec4..c7110d5165 100644
--- a/engines/sci/engine/kernel.h
+++ b/engines/sci/engine/kernel.h
@@ -433,6 +433,7 @@ reg_t kDoAudio(EngineState *s, int funct_nr, int argc, reg_t *argv);
reg_t kDoSync(EngineState *s, int funct_nr, int argc, reg_t *argv);
reg_t kResCheck(EngineState *s, int funct_nr, int argc, reg_t *argv);
reg_t kSetQuitStr(EngineState *s, int funct_nr, int argc, reg_t *argv);
+reg_t kShowMovie(EngineState *s, int funct_nr, int argc, reg_t *argv);
reg_t k_Unknown(EngineState *s, int funct_nr, int argc, reg_t *argv);
// The Unknown/Unnamed kernel function
diff --git a/engines/sci/engine/kgraphics.cpp b/engines/sci/engine/kgraphics.cpp
index a0bb426584..14e82a9a62 100644
--- a/engines/sci/engine/kgraphics.cpp
+++ b/engines/sci/engine/kgraphics.cpp
@@ -24,6 +24,7 @@
*/
#include "common/system.h"
+#include "common/events.h"
#include "sci/sci.h"
#include "sci/resource.h"
@@ -32,6 +33,7 @@
#include "sci/gfx/gfx_gui.h"
#include "sci/gfx/gfx_widgets.h"
#include "sci/gfx/gfx_state_internal.h" // required for GfxContainer, GfxPort, GfxVisual
+#include "sci/gfx/seq_decoder.h"
namespace Sci {
@@ -3312,4 +3314,45 @@ reg_t kDisplay(EngineState *s, int funct_nr, int argc, reg_t *argv) {
return s->r_acc;
}
+reg_t kShowMovie(EngineState *s, int funct_nr, int argc, reg_t *argv) {
+ const char *filename = kernel_dereference_char_pointer(s, argv[0], 0);
+ int framerate = UKPV(1); // FIXME: verify
+ SeqDecoder seq;
+
+ if (!seq.loadFile(filename)) {
+ warning("Failed to open movie file %s", filename);
+ return s->r_acc;
+ }
+
+ bool play = true;
+ while (play) {
+ gfx_pixmap_t *pixmap = seq.getFrame(play);
+ gfx_xlate_pixmap(pixmap, s->gfx_state->driver->mode, GFX_XLATE_FILTER_NONE);
+ GFX_ASSERT(gfxop_draw_pixmap(s->gfx_state, pixmap, gfx_rect(0, 0, 320, 200), Common::Point(pixmap->xoffset, pixmap->yoffset)));
+ gfxop_update_box(s->gfx_state, gfx_rect(0, 0, 320, 200));
+ gfx_free_pixmap(pixmap);
+
+ uint32 startTime = g_system->getMillis();
+
+ // Wait before showing the next frame
+ while (play && (g_system->getMillis() < startTime + 1000 / framerate)) {
+ // FIXME: we should probably make a function that handles quitting in these kinds of situations
+ Common::Event curEvent;
+ Common::EventManager *eventMan = g_system->getEventManager();
+
+ // Process quit events
+ while (eventMan->pollEvent(curEvent)) {
+ if (curEvent.type == Common::EVENT_QUIT) {
+ play = false;
+ quit_vm();
+ }
+ }
+
+ g_system->delayMillis(10);
+ }
+ }
+
+ return s->r_acc;
+}
+
} // End of namespace Sci
diff --git a/engines/sci/gfx/seq_decoder.cpp b/engines/sci/gfx/seq_decoder.cpp
new file mode 100644
index 0000000000..ac12678b09
--- /dev/null
+++ b/engines/sci/gfx/seq_decoder.cpp
@@ -0,0 +1,197 @@
+/* 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 "common/archive.h"
+#include "sci/gfx/seq_decoder.h"
+#include "sci/gfx/gfx_resource.h"
+#include "sci/gfx/gfx_tools.h"
+
+namespace Sci {
+
+SeqDecoder::~SeqDecoder() {
+ closeFile();
+}
+
+bool SeqDecoder::loadFile(const char *fileName) {
+ closeFile();
+
+ _fileStream = SearchMan.createReadStreamForMember(fileName);
+ if (!_fileStream)
+ return false;
+
+ _frameCount = _fileStream->readUint16LE();
+ int paletteSize = _fileStream->readUint32LE();
+
+ byte *paletteData = new byte[paletteSize];
+ _fileStream->read(paletteData, paletteSize);
+ _palette = gfxr_read_pal11(-1, paletteData, paletteSize);
+ delete[] paletteData;
+
+ _currentFrame = 0;
+
+ return true;
+}
+
+void SeqDecoder::closeFile() {
+ if (!_fileStream)
+ return;
+
+ delete _fileStream;
+ _fileStream = 0;
+
+ delete _palette;
+ _palette = 0;
+}
+
+#define WRITE_TO_BUFFER(n) \
+ if (writeRow * width + writeCol + (n) > width * height) { \
+ warning("SEQ player: writing out of bounds, aborting"); \
+ return false; \
+ } \
+ if (litPos + (n) > litSize) { \
+ warning("SEQ player: reading out of bounds, aborting"); \
+ } \
+ memcpy(dest + writeRow * width + writeCol, litData + litPos, n);
+
+bool SeqDecoder::decodeFrame(byte *rleData, int rleSize, byte *litData, int litSize, byte *dest, int width, int height, int colorKey) {
+ int writeRow = 0;
+ int writeCol = 0;
+ int litPos = 0;
+ int rlePos = 0;
+
+ memset(dest, colorKey, width * height);
+
+ while (rlePos < rleSize) {
+ int op = rleData[rlePos++];
+
+ if ((op & 0xc0) == 0xc0) {
+ op &= 0x3f;
+ if (op == 0) {
+ // Go to next line in target buffer
+ writeRow++;
+ writeCol = 0;
+ } else {
+ // Skip bytes on current line
+ writeCol += op;
+ }
+ } else if (op & 0x80) {
+ op &= 0x3f;
+ if (op == 0) {
+ // Copy remainder of current line
+ int rem = width - writeCol;
+
+ WRITE_TO_BUFFER(rem);
+ writeRow++;
+ writeCol = 0;
+ litPos += rem;
+ } else {
+ // Copy bytes
+ WRITE_TO_BUFFER(op);
+ writeCol += op;
+ litPos += op;
+ }
+ } else {
+ uint16 count = ((op & 7) << 8) | rleData[rlePos++];
+
+ switch (op >> 3) {
+ case 2:
+ // Skip bytes
+ writeCol += count;
+ break;
+ case 3:
+ // Copy bytes
+ WRITE_TO_BUFFER(count);
+ writeCol += count;
+ litPos += count;
+ break;
+ case 6: {
+ // Copy rows
+ if (count == 0)
+ count = height - writeRow;
+
+ for (int i = 0; i < count; i++) {
+ WRITE_TO_BUFFER(width);
+ litPos += width;
+ writeRow++;
+ }
+ break;
+ }
+ case 7:
+ // Skip rows
+ if (count == 0)
+ count = height - writeRow;
+
+ writeRow += count;
+ break;
+ default:
+ warning("Unsupported operation %i encountered", op >> 3);
+ return false;
+ }
+ }
+ }
+
+ return true;
+}
+
+gfx_pixmap_t *SeqDecoder::getFrame(bool &hasNext) {
+ int frameWidth = _fileStream->readUint16LE();
+ int frameHeight = _fileStream->readUint16LE();
+ int frameLeft = _fileStream->readUint16LE();
+ int frameTop = _fileStream->readUint16LE();
+ int colorKey = _fileStream->readByte();
+ int type = _fileStream->readByte();
+ _fileStream->seek(2, SEEK_CUR);
+ uint16 bytes = _fileStream->readUint16LE();
+ _fileStream->seek(2, SEEK_CUR);
+ uint16 rle_bytes = _fileStream->readUint16LE();
+ _fileStream->seek(6, SEEK_CUR);
+ uint32 offset = _fileStream->readUint32LE();
+
+ _fileStream->seek(offset);
+ gfx_pixmap_t *pixmap = gfx_new_pixmap(frameWidth, frameHeight, 0, 0, 0);
+
+ assert(pixmap);
+
+ gfx_pixmap_alloc_index_data(pixmap);
+
+ if (type == 0)
+ _fileStream->read(pixmap->index_data, bytes);
+ else {
+ byte *buf = new byte[bytes];
+ _fileStream->read(buf, bytes);
+ decodeFrame(buf, rle_bytes, buf + rle_bytes, bytes - rle_bytes, pixmap->index_data, frameWidth, frameHeight, colorKey);
+ }
+
+ pixmap->xoffset = frameLeft;
+ pixmap->yoffset = frameTop;
+ pixmap->color_key = colorKey;
+ pixmap->palette = _palette->getref();
+
+ hasNext = ++_currentFrame < _frameCount;
+
+ return pixmap;
+}
+
+} // End of namespace Sci
diff --git a/engines/sci/gfx/seq_decoder.h b/engines/sci/gfx/seq_decoder.h
new file mode 100644
index 0000000000..99126c056a
--- /dev/null
+++ b/engines/sci/gfx/seq_decoder.h
@@ -0,0 +1,48 @@
+/* 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 "common/file.h"
+#include "sci/gfx/gfx_system.h"
+
+namespace Sci {
+
+class SeqDecoder {
+public:
+ SeqDecoder() : _fileStream(0), _palette(0) { }
+ ~SeqDecoder();
+ bool loadFile(const char *fileName);
+ void closeFile();
+ gfx_pixmap_t *getFrame(bool &hasNext);
+
+private:
+ bool decodeFrame(byte *runlength_data, int runlength_size, byte *literal_data, int literal_size, byte *dest, int xl, int yl, int color_key);
+
+ Common::SeekableReadStream *_fileStream;
+ Palette *_palette;
+ int _frameCount;
+ int _currentFrame;
+};
+
+} // End of namespace Sci
diff --git a/engines/sci/module.mk b/engines/sci/module.mk
index 08318aad2a..979bf08cd9 100644
--- a/engines/sci/module.mk
+++ b/engines/sci/module.mk
@@ -57,6 +57,7 @@ MODULE_OBJS = \
gfx/res_pic.o \
gfx/res_view0.o \
gfx/res_view1.o \
+ gfx/seq_decoder.o \
sfx/adlib_sbi.o \
sfx/core.o \
sfx/iterator.o \
generated by cgit v1.2.3 (git 2.25.1) at 2025-02-20 12:23:45 +0000