ZVISION: Implement subtitle handle class

3 files changed, 135 insertions, 2 deletions

diff --git a/engines/zvision/module.mk b/engines/zvision/module.mk
index ea70b4b831..c8f629de1f 100644
--- a/engines/zvision/module.mk
+++ b/engines/zvision/module.mk
@@ -37,7 +37,8 @@ MODULE_OBJS := \
 	menu.o \
 	meta_animation.o \
 	search_manager.o \
-	text.o
+	text.o \
+	subtitles.o
  
 MODULE_DIRS += \
 	engines/zvision
diff --git a/engines/zvision/subtitles.cpp b/engines/zvision/subtitles.cpp
new file mode 100644
index 0000000000..1942e3c979
--- /dev/null
+++ b/engines/zvision/subtitles.cpp
@@ -0,0 +1,108 @@
+/* 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 "zvision/subtitles.h"
+#include "zvision/render_manager.h"
+#include "zvision/search_manager.h"
+#include "zvision/text.h"
+
+namespace ZVision {
+
+Subtitle::Subtitle(ZVision *engine, const Common::String &subname) :
+	_engine(engine),
+	_areaId(-1),
+	_subId(-1) {
+	Common::File file;
+	if (_engine->getSearchManager()->openFile(file, subname)) {
+		while (!file.eos()) {
+			Common::String str = file.readLine();
+			if (str.lastChar() == '~')
+				str.deleteLastChar();
+
+			if (str.matchString("*Initialization*", true)) {
+				// Not used
+			} else if (str.matchString("*Rectangle*", true)) {
+				int32 x1, y1, x2, y2;
+				sscanf(str.c_str(), "%*[^:]:%d %d %d %d", &x1, &y1, &x2, &y2);
+				Common::Rect rct = Common::Rect(x1, y1, x2, y2);
+				_areaId = _engine->getRenderManager()->createSubArea(rct);
+			} else if (str.matchString("*TextFile*", true)) {
+				char filename[64];
+				sscanf(str.c_str(), "%*[^:]:%s", filename);
+				Common::File txt;
+				if (_engine->getSearchManager()->openFile(txt, filename)) {
+					while (!txt.eos()) {
+						Common::String txtline = readWideLine(txt);
+						sub cur_sub;
+						cur_sub.start = -1;
+						cur_sub.stop = -1;
+						cur_sub.sub = txtline;
+
+						_subs.push_back(cur_sub);
+					}
+					txt.close();
+				}
+			} else {
+				int32 st;
+				int32 en;
+				int32 sb;
+				if (sscanf(str.c_str(), "%*[^:]:(%d,%d)=%d", &st, &en, &sb) == 3) {
+					if (sb <= (int32)_subs.size()) {
+						_subs[sb].start = st;
+						_subs[sb].stop = en;
+					}
+				}
+			}
+		}
+	}
+}
+
+Subtitle::~Subtitle() {
+	if (_areaId != -1)
+		_engine->getRenderManager()->deleteSubArea(_areaId);
+
+	_subs.clear();
+}
+
+void Subtitle::process(int32 time) {
+	int16 j = -1;
+	for (uint16 i = 0; i < _subs.size(); i++)
+		if (time >= _subs[i].start && time <= _subs[i].stop) {
+			j = i;
+			break;
+		}
+
+	if (j == -1 && _subId != -1) {
+		if (_areaId != -1)
+			_engine->getRenderManager()->updateSubArea(_areaId, "");
+		_subId = -1;
+	}
+
+	if (j != -1 && j != _subId) {
+		if (_subs[j].sub.size())
+			if (_areaId != -1)
+				_engine->getRenderManager()->updateSubArea(_areaId, _subs[j].sub);
+		_subId = j;
+	}
+}
+
+} // End of namespace ZVision
diff --git a/engines/zvision/subtitles.h b/engines/zvision/subtitles.h
index 13426e03e4..d14cb6f052 100644
--- a/engines/zvision/subtitles.h
+++ b/engines/zvision/subtitles.h
@@ -24,6 +24,30 @@
 #ifndef ZVISION_SUBTITLES_H
 #define ZVISION_SUBTITLES_H
 
-// TODO: Implement Subtitles
+#include "zvision/zvision.h"
+
+namespace ZVision {
+
+class Subtitle {
+public:
+	Subtitle(ZVision *engine, const Common::String &subname);
+	~Subtitle();
+
+	void process(int32 time);
+private:
+	ZVision *_engine;
+	int32 _areaId;
+	int16 _subId;
+
+	struct sub {
+		int start;
+		int stop;
+		Common::String sub;
+	};
+
+	Common::Array<sub> _subs;
+};
+
+}
 
 #endif