added derived object to add linkable object support

1 files changed, 80 insertions, 0 deletions

diff --git a/src/clientlinkableobject.h b/src/clientlinkableobject.h
new file mode 100644
index 000000000..a6192d58c
--- /dev/null
+++ b/src/clientlinkableobject.h
@@ -0,0 +1,80 @@
+/*
+Minetest-c55
+Copyright (C) 2010-2012 celeron55, Perttu Ahola <celeron55@gmail.com>
+Copyright (C) 2012 sapier sapier at gmx dot net
+
+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.
+*/
+
+#ifndef CLIENTLINKABLEOBJECT_H_
+#define CLIENTLINKABLEOBJECT_H_
+
+#include <list>
+#include <sstream>
+#include <irrlichttypes.h>
+#include "clientobject.h"
+#include "environment.h"
+#include "content_object.h"
+#include "utility.h"
+#include "log.h"
+
+
+//this ain't the right place to define this but until cao/sao split
+//is decided it'll have to stay here
+struct AO_Message_type {
+	static const u8 SetPosition      = 0x00;
+	static const u8 SetTextureMod    = 0x01;
+	static const u8 SetSprite        = 0x02;
+	static const u8 Punched          = 0x03;
+	static const u8 TakeDamage       = 0x04;
+	static const u8 Shoot            = 0x05;
+	static const u8 Link             = 0x06;
+	static const u8 UnLink           = 0x07;
+};
+
+
+class ClientLinkableObject {
+	public:
+		ClientLinkableObject();
+		~ClientLinkableObject();
+		//internal communication between entitys NOT to be used by user
+		void link(ClientLinkableObject* entity);
+		void unlink(ClientLinkableObject* entity);
+
+		virtual void setPosition(v3f toset, float dtime) = 0;
+		virtual void updateLinkState(bool value) = 0;
+
+	protected:
+		void stepLinkedObjects(v3f pos,float dtime);
+
+		bool handleLinkUnlinkMessages(u8 cmd,std::istringstream* is,ClientEnvironment *m_env);
+
+
+		//user driven functions (exported by lua)
+		bool linkEntity(v3f offset, ClientLinkableObject* parent);
+		bool unlinkEntity();
+
+		bool isLinked();
+		v3f  m_linkOffset;
+
+
+	private:
+		ClientLinkableObject* m_Parent;
+
+		std::list<ClientLinkableObject*> m_LinkedObjects;
+};
+
+
+#endif /* CLIENTLINKABLEOBJECT_H_ */