ZVISION: Create Control class

2 files changed, 119 insertions, 2 deletions

diff --git a/engines/zvision/control.cpp b/engines/zvision/control.cpp
new file mode 100644
index 0000000000..59ef14eb07
--- /dev/null
+++ b/engines/zvision/control.cpp
@@ -0,0 +1,101 @@
+/* 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/scummsys.h"
+
+#include "common/stream.h"
+
+#include "zvision/zvision.h"
+#include "zvision/render_manager.h"
+#include "zvision/render_table.h"
+#include "zvision/control.h"
+#include "zvision/utility.h"
+
+namespace ZVision {
+
+void Control::parseFlatControl(ZVision *engine) {
+	engine->getRenderManager()->getRenderTable()->setRenderState(RenderTable::FLAT);
+}
+
+void Control::parsePanoramaControl(ZVision *engine, Common::SeekableReadStream &stream) {
+	RenderTable *renderTable = engine->getRenderManager()->getRenderTable();
+	renderTable->setRenderState(RenderTable::PANORAMA);
+
+	// Loop until we find the closing brace
+	Common::String line = stream.readLine();
+	trimCommentsAndWhiteSpace(&line);
+
+	while (!line.contains('}')) {
+		if (line.matchString("angle*", true)) {
+			float fov;
+			sscanf(line.c_str(), "angle(%f)", &fov);
+			renderTable->setPanoramaFoV(fov);
+		} else if (line.matchString("linscale*", true)) {
+			float scale;
+			sscanf(line.c_str(), "angle(%f)", &scale);
+			renderTable->setPanoramaScale(scale);
+		} else if (line.matchString("reversepana*", true)) {
+			byte reverse;
+			sscanf(line.c_str(), "reversepana(%hhu)", &reverse);
+			if (reverse == 1) {
+				renderTable->setPanoramaReverse(true);
+			}
+		} else if (line.matchString("zeropoint*", true)) {
+			// TODO: Implement
+		}
+
+		line = stream.readLine();
+		trimCommentsAndWhiteSpace(&line);
+	}
+}
+
+void Control::parseTiltControl(ZVision *engine, Common::SeekableReadStream &stream) {
+	RenderTable *renderTable = engine->getRenderManager()->getRenderTable();
+	renderTable->setRenderState(RenderTable::TILT);
+
+	// Loop until we find the closing brace
+	Common::String line = stream.readLine();
+	trimCommentsAndWhiteSpace(&line);
+
+	while (!line.contains('}')) {
+		if (line.matchString("angle*", true)) {
+			float fov;
+			sscanf(line.c_str(), "angle(%f)", &fov);
+			renderTable->setTiltFoV(fov);
+		} else if (line.matchString("linscale*", true)) {
+			float scale;
+			sscanf(line.c_str(), "angle(%f)", &scale);
+			renderTable->setTiltScale(scale);
+		} else if (line.matchString("reversepana*", true)) {
+			byte reverse;
+			sscanf(line.c_str(), "reversepana(%hhu)", &reverse);
+			if (reverse == 1) {
+				renderTable->setTiltReverse(true);
+			}
+		}
+
+		line = stream.readLine();
+		trimCommentsAndWhiteSpace(&line);
+	}
+}
+
+} // End of namespace ZVision
diff --git a/engines/zvision/control.h b/engines/zvision/control.h
index 1f59478b4c..edc0fc2930 100644
--- a/engines/zvision/control.h
+++ b/engines/zvision/control.h
@@ -25,11 +25,27 @@
 
 #include "common/types.h"
 
+namespace Common {
+class SeekableReadStream;
+}
+
 namespace ZVision {
 
-struct Control {
-	uint16 id;
+class ZVision;
+
+class Control {
+public:
+	virtual ~Control() {}
+	virtual bool execute(ZVision *engine) = 0;
+
+protected:
+	uint32 key;
 
+// Static member functions
+public:
+	static void parseFlatControl(ZVision *engine);
+	static void parsePanoramaControl(ZVision *engine, Common::SeekableReadStream &stream);
+	static void parseTiltControl(ZVision *engine, Common::SeekableReadStream &stream);
 };
 
 } // End of namespace ZVision