1 files changed, 123 insertions, 0 deletions
diff --git a/src/anim/StateAnim.cpp b/src/anim/StateAnim.cpp
new file mode 100644
index 0000000..4858c23
--- /dev/null
+++ b/src/anim/StateAnim.cpp
@@ -0,0 +1,123 @@
+//
+//  libavg - Media Playback Engine. 
+//  Copyright (C) 2003-2014 Ulrich von Zadow
+//
+//  This library is free software; you can redistribute it and/or
+//  modify it under the terms of the GNU Lesser General Public
+//  License as published by the Free Software Foundation; either
+//  version 2 of the License, or (at your option) any later version.
+//
+//  This library 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
+//  Lesser General Public License for more details.
+//
+//  You should have received a copy of the GNU Lesser General Public
+//  License along with this library; if not, write to the Free Software
+//  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+//
+//  Current versions can be found at www.libavg.de
+//
+
+#include "StateAnim.h"
+
+#include "../base/Exception.h"
+#include "../player/Player.h"
+
+using namespace boost::python;
+using namespace std;
+
+namespace avg {
+
+AnimState::AnimState(const string& sName, AnimPtr pAnim, const string& sNextName)
+    : m_sName(sName),
+      m_pAnim(pAnim),
+      m_sNextName(sNextName)
+{
+}
+
+AnimState::AnimState()
+{
+}
+
+StateAnim::StateAnim(const vector<AnimState>& states)
+    : Anim(object(), object()),
+      m_bDebug(false)
+{
+    vector<AnimState>::const_iterator it;
+    for (it=states.begin(); it != states.end(); ++it) {
+        m_States[(*it).m_sName] = *it;
+        it->m_pAnim->setHasParent();
+    }
+}
+
+StateAnim::~StateAnim()
+{
+    setState("");
+}
+
+void StateAnim::abort()
+{
+    setState("");
+}
+
+void StateAnim::setState(const std::string& sName, bool bKeepAttr)
+{
+    if (m_sCurStateName == sName) {
+        return;
+    }
+    if (!m_sCurStateName.empty()) {
+        m_States[m_sCurStateName].m_pAnim->abort();
+    }
+    switchToNewState(sName, bKeepAttr);
+}
+
+const std::string& StateAnim::getState() const
+{
+    return m_sCurStateName;
+}
+
+void StateAnim::setDebug(bool bDebug)
+{
+    m_bDebug = bDebug;
+}
+    
+bool StateAnim::step()
+{
+    // Make sure the object isn't deleted until the end of the method.
+    AnimPtr tempThis = shared_from_this();  
+
+    if (!m_sCurStateName.empty()) {
+        const AnimState& curState = m_States[m_sCurStateName];
+        bool bDone = curState.m_pAnim->step();
+        if (bDone) {
+            switchToNewState(curState.m_sNextName, false);
+        }
+    }
+    return false;
+}
+
+void StateAnim::switchToNewState(const string& sName, bool bKeepAttr)
+{
+    if (m_bDebug) {
+        cerr << this << " State change: '" << m_sCurStateName << "' --> '" << sName 
+                << "'" << endl;
+    }
+    string sOldStateName = m_sCurStateName;
+    m_sCurStateName = sName;
+    if (!sName.empty()) {
+        map<string, AnimState>::iterator it = m_States.find(sName);
+        if (it == m_States.end()) {
+            throw Exception(AVG_ERR_INVALID_ARGS, "StateAnim: State "+sName+" unknown.");
+        } else {
+            it->second.m_pAnim->start(bKeepAttr);
+        }
+        if (sOldStateName == "") {
+            Anim::start(false);
+        }
+    } else {
+        Anim::setStopped();
+    }
+}
+
+}