Added particle containers and refactored beings to use them (to clean up responsibilities a little)

1 files changed, 158 insertions, 0 deletions

diff --git a/src/particlecontainer.cpp b/src/particlecontainer.cpp
new file mode 100644
index 00000000..4df45b26
--- /dev/null
+++ b/src/particlecontainer.cpp
@@ -0,0 +1,158 @@
+/*
+ *  The Mana World
+ *  Copyright 2008 The Mana World Development Team
+ *
+ *  This file is part of The Mana World.
+ *
+ *  The Mana World 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
+ *  any later version.
+ *
+ *  The Mana World 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 The Mana World; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#include <cassert>
+
+#include "particlecontainer.h"
+
+
+ParticleContainer::ParticleContainer(ParticleContainer *parent, bool delParent) :
+    mDelParent(delParent),
+    mNext(parent)
+{};
+
+ParticleContainer::~ParticleContainer()
+{
+    clearLocally();
+    if (mNext && mDelParent)
+        delete mNext;
+}
+
+void
+ParticleContainer::addLocally(Particle *particle)
+{
+    if (particle)
+    {
+        // The effect may not die without the beings permission or we segfault
+        particle->disableAutoDelete();
+        mElements.push_back(particle);
+    }
+}
+
+void
+ParticleContainer::removeLocally(Particle *particle)
+{
+    for (std::list<Particle *>::iterator it = mElements.begin();
+         it != mElements.end(); it++)
+        if (*it == particle) {
+            (*it)->kill();
+            mElements.erase(it);
+        }
+}
+
+void
+ParticleContainer::clear()
+{
+    clearLocally();
+    if (mNext)
+        mNext->clear();
+}
+
+void
+ParticleContainer::clearLocally()
+{
+    for (std::list<Particle *>::iterator it = mElements.begin();
+         it != mElements.end(); it++)
+        (*it)->kill();
+    
+    mElements.clear();
+}
+
+void
+ParticleContainer::setPositions(float x, float y)
+{
+    for (std::list<Particle *>::iterator it = mElements.begin();
+         it != mElements.end();)
+    {
+        (*it)->setPosition(x, y);
+        if ((*it)->isExtinct())
+        {
+            (*it)->kill();
+            it = mElements.erase(it);
+        }
+        else
+            it++;
+    }
+}
+
+
+
+
+ParticleVector::ParticleVector(ParticleContainer *next, bool delParent)
+{
+    ParticleContainer::ParticleContainer(next, delParent);
+}
+
+void
+ParticleVector::setLocally(int index, Particle *particle)
+{
+    assert(index >= 0);
+
+    delLocally(index);
+
+    if (mIndexedElements.size() <= (unsigned) index)
+        mIndexedElements.resize(index + 1, NULL);
+
+    mIndexedElements[index] = particle;
+}
+
+void
+ParticleVector::delLocally(int index)
+{
+    assert(index >= 0);
+
+    if (mIndexedElements.size() <= (unsigned) index)
+        return;
+
+    Particle *p = mIndexedElements[index];
+    if (p)
+    {
+        mIndexedElements[index] = NULL;
+        p->kill();
+    }
+}
+
+void
+ParticleVector::clearLocally()
+{
+    for (unsigned int i = 0; i < mIndexedElements.size(); i++)
+        delLocally(i);
+}
+
+void
+ParticleVector::setPositions(float x, float y)
+{
+    ParticleContainer::setPositions(x, y);
+
+    for (std::vector<Particle *>::iterator it = mIndexedElements.begin();
+         it != mIndexedElements.end(); it++)
+        if (*it)
+        {
+            (*it)->setPosition(x, y);
+
+            if ((*it)->isExtinct())
+            {
+                (*it)->kill();
+                *it = NULL;
+            }
+        }
+}
+