BLADERUNNER: Add Overlay videos

1 files changed, 146 insertions, 0 deletions

diff --git a/engines/bladerunner/overlays.cpp b/engines/bladerunner/overlays.cpp
new file mode 100644
index 0000000000..946cbe266d
--- /dev/null
+++ b/engines/bladerunner/overlays.cpp
@@ -0,0 +1,146 @@
+/* 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 "bladerunner/overlays.h"
+
+#include "bladerunner/bladerunner.h"
+
+#include "bladerunner/archive.h"
+#include "bladerunner/vqa_player.h"
+
+#include "graphics/surface.h"
+
+namespace BladeRunner {
+
+Overlays::Overlays(BladeRunnerEngine *vm)
+	: _vm(vm)
+{
+}
+
+bool Overlays::init() {
+	reset();
+	_videos.resize(kOverlayVideos);
+
+	for (int i = 0; i < kOverlayVideos; ++i) {
+		_videos[i].vqaPlayer = nullptr;
+		resetSingle(i);
+	}
+
+	return true;
+}
+
+Overlays::~Overlays() {
+	for (int i = 0; i < kOverlayVideos; ++i) {
+		resetSingle(i);
+	}
+	_videos.clear();
+	reset();
+}
+
+int Overlays::play(const Common::String &name, int loopId, int loopForever, int a5, int a6) {
+	int id = mix_id(name);
+	int index = findById(id);
+	if (index < 0) {
+		index = findEmpty();
+		if (index < 0) {
+			return index;
+		}
+		_videos[index].id = id;
+		_videos[index].vqaPlayer = new VQAPlayer(_vm, &_vm->_surfaceGame);
+
+		// repeat forever
+		_videos[index].vqaPlayer->setBeginAndEndFrame(0, 0, -1, kLoopSetModeJustStart, nullptr, nullptr);
+		_videos[index].loaded = true;
+	}
+
+	Common::String resourceName = Common::String::format("%s.VQA", name.c_str());
+	_videos[index].vqaPlayer->open(resourceName);
+	_videos[index].vqaPlayer->setLoop(
+		loopId,
+		loopForever ? -1 : 0,
+		a5 ? kLoopSetModeImmediate : kLoopSetModeEnqueue,
+		nullptr, nullptr);
+
+	return index;
+}
+
+void Overlays::remove(const Common::String &name) {
+	int id = mix_id(name);
+	int index = findById(id);
+	if (index >= 0) {
+		resetSingle(index);
+	}
+}
+
+void Overlays::tick() {
+	for (int i = 0; i < kOverlayVideos; ++i) {
+		if (_videos[i].loaded) {
+			int frame = _videos[i].vqaPlayer->update(true);
+			if (frame < 0) {
+				resetSingle(i);
+			}
+		}
+	}
+}
+
+int Overlays::findById(int id) const {
+	for (int i = 0; i < kOverlayVideos; ++i) {
+		if (_videos[i].loaded && _videos[i].id == id) {
+			return i;
+		}
+	}
+	return -1;
+}
+
+int Overlays::findEmpty() const {
+	for (int i = 0; i < kOverlayVideos; ++i) {
+		if (!_videos[i].loaded) {
+			return i;
+		}
+	}
+	return -1;
+}
+
+void Overlays::resetSingle(int i) {
+	assert(i >= 0 && i < (int)_videos.size());
+	if (_videos[i].vqaPlayer) {
+		delete _videos[i].vqaPlayer;
+		_videos[i].vqaPlayer = nullptr;
+	}
+	_videos[i].loaded = false;
+	_videos[i].id = 0;
+	_videos[i].field2 = -1;
+}
+
+void Overlays::resetAll() {
+	for (int i = 0; i < kOverlayVideos; ++i) {
+		if (_videos[i].loaded) {
+			resetSingle(i);
+		}
+	}
+}
+
+void Overlays::reset() {
+	_videos.clear();
+}
+
+} // End of namespace BladeRunner