Added: #1469 Parsing of camera animation shake modifier

--HG--
branch : gsoc2012-fabien

code/ryzom/server/src/entities_game_service/camera_animation_manager/camera_animation_modifiers.cpp

@@ -0,0 +1,53 @@
+// Ryzom - MMORPG Framework <http://dev.ryzom.com/projects/ryzom/>
+// Copyright (C) 2010  Winch Gate Property Limited
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero 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 Affero General Public License for more details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+// 
+
+#include "camera_animation_manager/camera_animation_modifier_factory.h"
+
+/////////////////////////////////////////////////////////////////////////////
+/// This animation modifier shakes the camera. The parameter is
+/// - strength
+class CCameraAnimationModifierShake : public ICameraAnimationModifier
+{
+protected:
+	float Strength;
+
+public:
+	CCameraAnimationModifierShake()
+	{
+		Strength = 0.f;
+	}
+
+	virtual bool parseModifier(const NLLIGO::IPrimitive* prim, const std::string& filename)
+	{
+		std::string value;
+
+		// We get the strength
+		if (!prim->getPropertyByName("duration", value))
+		{
+			nlwarning("<CCameraAnimationModifierShake parseModifier> impossible to get the strength property of the basic modifier in primitive : %s", filename.c_str());
+			return false;
+		}
+		if (!NLMISC::fromString(value, Strength))
+		{
+			nlwarning("<CCameraAnimationModifierShake parseModifier> impossible to convert the string : %s, in float in the basic modifier in primitive : %s", value.c_str(), filename.c_str());
+			return false;
+		}
+
+		return true;
+	}
+};
+CAMERA_ANIMATION_REGISTR_MODIFIER(CCameraAnimationModifierShake, "camera_modifier_shake");