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-rw-r--r--engines/chewy/chewy.cpp36
-rw-r--r--engines/chewy/module.mk3
-rw-r--r--engines/chewy/resource.cpp82
-rw-r--r--engines/chewy/resource.h73
4 files changed, 193 insertions, 1 deletions
diff --git a/engines/chewy/chewy.cpp b/engines/chewy/chewy.cpp
index a26a944674..130e31b64c 100644
--- a/engines/chewy/chewy.cpp
+++ b/engines/chewy/chewy.cpp
@@ -20,12 +20,16 @@
*
*/
+#include "common/config-manager.h"
#include "common/error.h"
+#include "common/events.h"
+#include "common/system.h"
#include "engines/engine.h"
#include "engines/util.h"
#include "chewy/chewy.h"
+#include "chewy/resource.h"
namespace Chewy {
@@ -33,6 +37,16 @@ ChewyEngine::ChewyEngine(OSystem *syst, const ChewyGameDescription *gameDesc)
: Engine(syst),
_gameDescription(gameDesc),
_rnd("chewy") {
+
+ const Common::FSNode gameDataDir(ConfMan.get("path"));
+
+ SearchMan.addSubDirectoryMatching(gameDataDir, "back");
+ SearchMan.addSubDirectoryMatching(gameDataDir, "cut");
+ SearchMan.addSubDirectoryMatching(gameDataDir, "err");
+ SearchMan.addSubDirectoryMatching(gameDataDir, "misc");
+ SearchMan.addSubDirectoryMatching(gameDataDir, "room");
+ SearchMan.addSubDirectoryMatching(gameDataDir, "sound");
+ SearchMan.addSubDirectoryMatching(gameDataDir, "txt");
}
ChewyEngine::~ChewyEngine() {
@@ -44,6 +58,28 @@ Common::Error ChewyEngine::run() {
initialize();
+ Resource *res = new Resource("comic.tgp");
+ TBFChunk *cur = res->getChunk(1);
+
+ debug("Chunk 1: packed %d, type %d, pos %d, mode %d, comp %d, unpacked %d, width %d, height %d",
+ cur->packedSize, cur->type, cur->pos, cur->screenMode, cur->compressionFlag, cur->unpackedSize,
+ cur->width, cur->height
+ );
+
+ delete res;
+
+ // Run a dummy loop
+ Common::Event event;
+
+ while (!shouldQuit()) {
+ while (g_system->getEventManager()->pollEvent(event)) {
+ if ((event.type == Common::EVENT_KEYDOWN && event.kbd.keycode == Common::KEYCODE_ESCAPE) || event.type == Common::EVENT_LBUTTONUP)
+ g_engine->quitGame();
+ }
+
+ g_system->delayMillis(10);
+ }
+
return Common::kNoError;
}
diff --git a/engines/chewy/module.mk b/engines/chewy/module.mk
index 497c101212..c9621c6273 100644
--- a/engines/chewy/module.mk
+++ b/engines/chewy/module.mk
@@ -2,7 +2,8 @@ MODULE := engines/chewy
MODULE_OBJS = \
chewy.o \
- detection.o
+ detection.o \
+ resource.o
# This module can be built as a plugin
diff --git a/engines/chewy/resource.cpp b/engines/chewy/resource.cpp
new file mode 100644
index 0000000000..1d8764a979
--- /dev/null
+++ b/engines/chewy/resource.cpp
@@ -0,0 +1,82 @@
+/* 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.
+ *
+ */
+
+#include "common/stream.h"
+#include "common/debug.h"
+#include "common/textconsole.h"
+
+#include "chewy/chewy.h"
+#include "chewy/resource.h"
+
+namespace Chewy {
+
+Resource::Resource(Common::String filename) {
+ _stream.open(filename);
+ uint32 magicBytes = MKTAG('N', 'G', 'S', '\0');
+ if (_stream.readUint32BE() != magicBytes)
+ error("Invalid resource - %s", filename.c_str());
+ _stream.skip(2); // type
+ _chunkCount = _stream.readUint16LE();
+
+ uint32 tbfID = MKTAG('T', 'B', 'F', '\0');
+
+ for (uint i = 0; i < _chunkCount; i++) {
+ TBFChunk cur;
+ cur.packedSize = _stream.readUint32LE();
+ cur.type = _stream.readUint16LE();
+ cur.pos = _stream.pos();
+ if (_stream.readUint32BE() != tbfID)
+ error("Corrupt resource %s", filename.c_str());
+
+ cur.screenMode = _stream.readUint16LE();
+ cur.compressionFlag = _stream.readUint16LE();
+ cur.unpackedSize = _stream.readUint32LE();
+ cur.width = _stream.readUint16LE();
+ cur.height = _stream.readUint16LE();
+ _stream.read(cur.palette, 3 * 256);
+ _stream.skip(cur.packedSize - TBF_CHUNK_HEADER_SIZE);
+
+ _tbfChunkList.push_back(cur);
+
+ /*debug("Chunk %d: packed %d, type %d, pos %d, mode %d, comp %d, unpacked %d, width %d, height %d",
+ i, cur.packedSize, cur.type, cur.pos, cur.screenMode, cur.compressionFlag, cur.unpackedSize,
+ cur.width, cur.height
+ );*/
+ }
+
+}
+
+Resource::~Resource() {
+ _tbfChunkList.clear();
+ _stream.close();
+}
+
+TBFChunk *Resource::getChunk(int num) {
+ return &_tbfChunkList[num];
+}
+
+Common::SeekableReadStream *Resource::getChunkData(int num) {
+ // TODO
+ return nullptr;
+}
+
+} // End of namespace Chewy
diff --git a/engines/chewy/resource.h b/engines/chewy/resource.h
new file mode 100644
index 0000000000..5432e3c160
--- /dev/null
+++ b/engines/chewy/resource.h
@@ -0,0 +1,73 @@
+/* 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.
+ *
+ */
+
+#ifndef CHEWY_RESOURCE_H
+#define CHEWY_RESOURCE_H
+
+
+#include "common/scummsys.h"
+#include "common/file.h"
+#include "common/util.h"
+#include "common/str.h"
+#include "common/hashmap.h"
+#include "common/hash-str.h"
+#include "common/random.h"
+
+namespace Chewy {
+
+// 4 + 2 + 2 + 4 + 2 + 2 + 768 = 784 bytes
+#define TBF_CHUNK_HEADER_SIZE 784
+
+struct TBFChunk {
+ uint32 packedSize; // includes header
+ uint16 type;
+ uint32 pos; // extra field
+
+ // TBF chunk header
+ // ID (TBF, followed by a zero)
+ uint16 screenMode;
+ uint16 compressionFlag;
+ uint32 unpackedSize;
+ uint16 width;
+ uint16 height;
+ char palette[3 * 256];
+};
+
+typedef Common::Array<TBFChunk> TBFChunkList;
+
+class Resource {
+public:
+ Resource(Common::String filename);
+ ~Resource();
+
+ TBFChunk *getChunk(int num);
+ Common::SeekableReadStream *getChunkData(int num);
+
+private:
+ Common::File _stream;
+ uint16 _chunkCount;
+ TBFChunkList _tbfChunkList;
+};
+
+} // End of namespace Chewy
+
+#endif