Replace SG_USE_STD() by using std::

[simgear.git] / simgear / scene / tgdb / ShaderGeometry.cxx

diff --git a/simgear/scene/tgdb/ShaderGeometry.cxx b/simgear/scene/tgdb/ShaderGeometry.cxx
index d98b5b663d4706d07f816579b2d45ba0c9190fb3..a6a7c1ed9300018b65eae93373be5c71f4159409 100644 (file)
--- a/simgear/scene/tgdb/ShaderGeometry.cxx
+++ b/simgear/scene/tgdb/ShaderGeometry.cxx
@@ -1,15 +1,44 @@
+/* -*-c++-*-
+ *
+ * Copyright (C) 2008 Stuart Buchanan
+ *
+ * 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 <osgDB/Registry>
+#include <osgDB/Input>
+#include <osgDB/ParameterOutput>
+
 #include "ShaderGeometry.hxx"
 
 using namespace osg;
+using namespace osgDB;
 
 namespace simgear
 {
 void ShaderGeometry::drawImplementation(RenderInfo& renderInfo) const
 {
-    for(PositionSizeList::const_iterator itr = _trees.begin();
-        itr != _trees.end();
-        ++itr) {
-        glColor4fv(itr->ptr());
+    osg::State& state = *renderInfo.getState();
+    const Extensions* extensions = getExtensions(state.getContextID(),true);
+
+    for(TreeBin::TreeList::const_iterator t = _trees.begin(); t != _trees.end(); ++t)
+    {
+        extensions->glVertexAttrib1f(1, (float) t->texture_index/varieties);
+        glColor4f(t->position.x(), t->position.y(), t->position.z(), t->scale);
         _geometry->draw(renderInfo);
     }
 }
@@ -18,15 +47,84 @@ BoundingBox ShaderGeometry::computeBound() const
 {
     BoundingBox geom_box = _geometry->getBound();
     BoundingBox bb;
-    for(PositionSizeList::const_iterator itr = _trees.begin();
+    for(TreeBin::TreeList::const_iterator itr = _trees.begin();
         itr != _trees.end();
         ++itr) {
-        bb.expandBy(geom_box.corner(0)*(*itr)[3] +
-                    Vec3((*itr)[0], (*itr)[1], (*itr)[2]));
-        bb.expandBy(geom_box.corner(7)*(*itr)[3] +
-                    Vec3((*itr)[0], (*itr)[1], (*itr)[2]));
+         bb.expandBy(geom_box.corner(0)*itr->scale +
+                     osg::Vec3( itr->position.x(), itr->position.y(), itr->position.z() ));
+         bb.expandBy(geom_box.corner(7)*itr->scale +
+                     osg::Vec3( itr->position.x(), itr->position.y(), itr->position.z() ));
     }
     return bb;
 }
 
+bool ShaderGeometry_readLocalData(Object& obj, Input& fr)
+{
+    bool iteratorAdvanced = false;
+
+    ShaderGeometry& geom = static_cast<ShaderGeometry&>(obj);
+
+    if ((fr[0].matchWord("geometry"))) {
+        ++fr;
+        iteratorAdvanced = true;
+        osg::Drawable* drawable = fr.readDrawable();
+        if (drawable) {
+            geom._geometry = drawable;
+        }
+    }
+    if ((fr.matchSequence("instances %i"))) {
+        int entry = fr[0].getNoNestedBrackets();
+        int capacity;
+        fr[1].getInt(capacity);
+        geom._trees.reserve(capacity);
+        fr += 3;
+        iteratorAdvanced = true;
+        // skip {
+        while (!fr.eof() && fr[0].getNoNestedBrackets() > entry) {
+            SGVec3f v;
+            int t;
+            float s;
+            if (fr[0].getFloat(v.x()) && fr[1].getFloat(v.y())
+                && fr[2].getFloat(v.z()) && fr[3].getInt(t) && fr[4].getFloat(s)) {
+                    fr += 4;
+                    //SGVec3f* v = new SGVec3f(v.x(), v.y(), v.z());
+                    //TreeBin::Tree tree = new TreeBin::Tree(v, t, s);
+                    geom._trees.push_back(TreeBin::Tree(v, t, s));
+            } else {
+                ++fr;
+            }
+        }
+    }
+    return iteratorAdvanced;
+}
+
+bool ShaderGeometry_writeLocalData(const Object& obj, Output& fw)
+{
+    const ShaderGeometry& geom = static_cast<const ShaderGeometry&>(obj);
+
+    fw.indent() << "geometry" << std::endl;
+    fw.writeObject(*geom._geometry);
+    fw.indent() << "instances " << geom._trees.size() << std::endl;
+    fw.indent() << "{" << std::endl;
+    fw.moveIn();
+    for (TreeBin::TreeList::const_iterator iter
+             = geom._trees.begin();
+         iter != geom._trees.end();
+         ++iter) {
+        fw.indent() << iter->position.x() << " " << iter->position.y() << " " << iter->position.z() << " "
+                    << iter->texture_index << " " << iter->scale << std::endl;
+    }
+    fw.moveOut();
+    fw.indent() << "}" << std::endl;
+    return true;
+}
+
+osgDB::RegisterDotOsgWrapperProxy shaderGeometryProxy
+(
+    new ShaderGeometry,
+    "ShaderGeometry",
+    "Object Drawable ShaderGeometry",
+    &ShaderGeometry_readLocalData,
+    &ShaderGeometry_writeLocalData
+    );
 }