Initial commit

engines/pink/resource_mgr.cpp

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+/* 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 3 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, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include "pink/cel_decoder.h"
+#include "pink/file.h"
+#include "pink/pink.h"
+#include "pink/resource_mgr.h"
+#include "pink/sound.h"
+#include "pink/objects/pages/game_page.h"
+
+namespace Pink {
+
+ResourceMgr::ResourceMgr()
+		: _game(nullptr), _resDescTable(nullptr), _resCount(0) {}
+
+ResourceMgr::~ResourceMgr() {
+	clear();
+}
+
+void ResourceMgr::init(PinkEngine *game, Page *page) {
+	OrbFile *orb = game->getOrb();
+	_game = game;
+
+	ObjectDescription *objDesc = orb->getObjDesc(page->getName().c_str());
+	_resCount = objDesc->resourcesCount;
+	orb->loadObject(page, objDesc);
+	_resDescTable = orb->createResDescTable(objDesc);
+
+	debugC(kPinkDebugLoadingResources, "%d Resource descriptions are loaded", _resCount);
+}
+
+void ResourceMgr::clear() {
+	delete[] _resDescTable;
+	_resDescTable = nullptr;
+}
+
+static int resDescComp(const void *a, const void *b) {
+	return scumm_stricmp((const char *)a, (const char *)b);
+}
+
+Common::SeekableReadStream *ResourceMgr::getResourceStream(const Common::String &name) {
+	Common::SeekableReadStream *stream;
+
+	ResourceDescription *desc = (ResourceDescription *)bsearch(name.c_str(), _resDescTable, _resCount, sizeof(ResourceDescription), resDescComp);
+
+	if (desc->inBro)
+		stream = _game->getBro();
+	else
+		stream = _game->getOrb();
+
+	stream->seek(desc->offset);
+
+	byte *data = (byte *)malloc(desc->size);
+	stream->read(data, desc->size);
+
+	Common::MemoryReadStream *memstream = new Common::MemoryReadStream(data, desc->size, DisposeAfterUse::YES);
+
+	debugC(kPinkDebugLoadingResources, "Got stream of %s resource", name.c_str());
+	return memstream;
+}
+
+} // End of namespace Pink