src/content_cso.cpp

   1 /*
   2 Minetest
   3 Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
   4
   5 This program is free software; you can redistribute it and/or modify
   6 it under the terms of the GNU Lesser General Public License as published by
   7 the Free Software Foundation; either version 2.1 of the License, or
   8 (at your option) any later version.
   9
  10 This program is distributed in the hope that it will be useful,
  11 but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 GNU Lesser General Public License for more details.
  14
  15 You should have received a copy of the GNU Lesser General Public License along
  16 with this program; if not, write to the Free Software Foundation, Inc.,
  17 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18 */
  19
  20 #include "content_cso.h"
  21 #include <IBillboardSceneNode.h>
  22 #include "tile.h"
  23 #include "environment.h"
  24 #include "gamedef.h"
  25 #include "log.h"
  26 #include "map.h"
  27
  28 static void setBillboardTextureMatrix(scene::IBillboardSceneNode *bill,
  29                 float txs, float tys, int col, int row)
  30 {
  31         video::SMaterial& material = bill->getMaterial(0);
  32         core::matrix4& matrix = material.getTextureMatrix(0);
  33         matrix.setTextureTranslate(txs*col, tys*row);
  34         matrix.setTextureScale(txs, tys);
  35 }
  36
  37 class SmokePuffCSO: public ClientSimpleObject
  38 {
  39         float m_age;
  40         scene::IBillboardSceneNode *m_spritenode;
  41 public:
  42         SmokePuffCSO(scene::ISceneManager *smgr,
  43                         ClientEnvironment *env, v3f pos, v2f size):
  44                 m_age(0),
  45                 m_spritenode(NULL)
  46         {
  47                 infostream<<"SmokePuffCSO: constructing"<<std::endl;
  48                 m_spritenode = smgr->addBillboardSceneNode(
  49                                 NULL, v2f(1,1), pos, -1);
  50                 m_spritenode->setMaterialTexture(0,
  51                                 env->getGameDef()->tsrc()->getTextureRaw("smoke_puff.png"));
  52                 m_spritenode->setMaterialFlag(video::EMF_LIGHTING, false);
  53                 m_spritenode->setMaterialFlag(video::EMF_BILINEAR_FILTER, false);
  54                 //m_spritenode->setMaterialType(video::EMT_TRANSPARENT_ALPHA_CHANNEL_REF);
  55                 m_spritenode->setMaterialType(video::EMT_TRANSPARENT_ALPHA_CHANNEL);
  56                 m_spritenode->setMaterialFlag(video::EMF_FOG_ENABLE, true);
  57                 m_spritenode->setColor(video::SColor(255,0,0,0));
  58                 m_spritenode->setVisible(true);
  59                 m_spritenode->setSize(size);
  60                 /* Update brightness */
  61                 u8 light = 64;
  62                 try{
  63                         MapNode n = env->getMap().getNode(floatToInt(pos, BS));
  64                         light = decode_light(n.getLightBlend(env->getDayNightRatio(),
  65                                         env->getGameDef()->ndef()));
  66                 }
  67                 catch(InvalidPositionException &e){}
  68                 video::SColor color(255,light,light,light);
  69                 m_spritenode->setColor(color);
  70         }
  71         virtual ~SmokePuffCSO()
  72         {
  73                 infostream<<"SmokePuffCSO: destructing"<<std::endl;
  74                 m_spritenode->remove();
  75         }
  76         void step(float dtime)
  77         {
  78                 m_age += dtime;
  79                 if(m_age > 1.0){
  80                         m_to_be_removed = true;
  81                 }
  82         }
  83 };
  84
  85 ClientSimpleObject* createSmokePuff(scene::ISceneManager *smgr,
  86                 ClientEnvironment *env, v3f pos, v2f size)
  87 {
  88         return new SmokePuffCSO(smgr, env, pos, size);
  89 }
  90