src/common/placement/PlacementShadowDefinition.cpp

   1 ////////////////////////////////////////////////////////////////////////////////
   2 //    Scorched3D (c) 2000-2009
   3 //
   4 //    This file is part of Scorched3D.
   5 //
   6 //    Scorched3D is free software; you can redistribute it and/or modify
   7 //    it under the terms of the GNU General Public License as published by
   8 //    the Free Software Foundation; either version 2 of the License, or
   9 //    (at your option) any later version.
  10 //
  11 //    Scorched3D is distributed in the hope that it will be useful,
  12 //    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 //    GNU General Public License for more details.
  15 //
  16 //    You should have received a copy of the GNU General Public License
  17 //    along with Scorched3D; if not, write to the Free Software
  18 //    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19 ////////////////////////////////////////////////////////////////////////////////
  20
  21 #include <placement/PlacementShadowDefinition.h>
  22 #include <landscapemap/LandscapeMaps.h>
  23 #include <landscapemap/DeformLandscape.h>
  24 #include <common/Defines.h>
  25 #include <engine/ScorchedContext.h>
  26 #include <image/ImageStore.h>
  27
  28 PlacementShadowDefinition::PlacementShadowDefinition() :
  29         drawShadow_(true), flattenArea_(0)
  30 {
  31 }
  32
  33 PlacementShadowDefinition::~PlacementShadowDefinition()
  34 {
  35 }
  36
  37 bool PlacementShadowDefinition::readXML(XMLNode *node, const char *base)
  38 {
  39         node->getNamedChild("drawshadow", drawShadow_, false);
  40         node->getNamedChild("flattenarea", flattenArea_, false);
  41
  42         XMLNode *groundMap = 0;
  43         if (node->getNamedChild("groundmap", groundMap, false))
  44         {
  45                 if (!groundMap_.initFromNode(base, groundMap)) return false;
  46         }
  47
  48         return true;
  49 }
  50
  51 void PlacementShadowDefinition::updateLandscapeHeight(
  52         ScorchedContext &context,
  53         FixedVector &position, FixedVector &size)
  54 {
  55         if (flattenArea_ != 0)
  56         {
  57                 fixed areaSize = flattenArea_;
  58                 if (areaSize < 0)
  59                 {
  60                         areaSize = MAX(size[0], size[1])/2 + 1;
  61                 }
  62
  63                 DeformLandscape::flattenArea(context, position, false, areaSize);
  64         }
  65 }
  66
  67 #ifndef S3D_SERVER
  68
  69 #include <GLEXT/GLImageModifier.h>
  70 void PlacementShadowDefinition::updateLandscapeTexture(
  71         bool useShadows,
  72         ScorchedContext &context,
  73         FixedVector &position, FixedVector &size)
  74 {
  75         if (groundMap_.imageValid())
  76         {
  77                 Image *image = ImageStore::instance()->loadImage(groundMap_);
  78                 ImageModifier::addBitmapToLandscape(
  79                         context,
  80                         *image,
  81                         position[0].asFloat(),
  82                         position[1].asFloat(),
  83                         0.25f, 0.25f);
  84         }
  85
  86         if (drawShadow_ && useShadows)
  87         {
  88                 ImageModifier::addCircleToLandscape(
  89                         context,
  90                         position[0].asFloat(),
  91                         position[1].asFloat(),
  92                         MAX(size[0], size[1]).asFloat(), 1.0f);
  93         }
  94 }
  95
  96 #endif //S3D_SERVER