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 "client/tile.h"
  23 #include "clientenvironment.h"
  24 #include "client.h"
  25 #include "map.h"
  26
  27 class SmokePuffCSO: public ClientSimpleObject
  28 {
  29         float m_age;
  30         scene::IBillboardSceneNode *m_spritenode;
  31 public:
  32         SmokePuffCSO(scene::ISceneManager *smgr,
  33                         ClientEnvironment *env, v3f pos, v2f size):
  34                 m_age(0),
  35                 m_spritenode(NULL)
  36         {
  37                 infostream<<"SmokePuffCSO: constructing"<<std::endl;
  38                 m_spritenode = smgr->addBillboardSceneNode(
  39                                 NULL, v2f(1,1), pos, -1);
  40                 m_spritenode->setMaterialTexture(0,
  41                                 env->getGameDef()->tsrc()->getTextureForMesh("smoke_puff.png"));
  42                 m_spritenode->setMaterialFlag(video::EMF_LIGHTING, false);
  43                 m_spritenode->setMaterialFlag(video::EMF_BILINEAR_FILTER, false);
  44                 //m_spritenode->setMaterialType(video::EMT_TRANSPARENT_ALPHA_CHANNEL_REF);
  45                 m_spritenode->setMaterialType(video::EMT_TRANSPARENT_ALPHA_CHANNEL);
  46                 m_spritenode->setMaterialFlag(video::EMF_FOG_ENABLE, true);
  47                 m_spritenode->setColor(video::SColor(255,0,0,0));
  48                 m_spritenode->setVisible(true);
  49                 m_spritenode->setSize(size);
  50                 /* Update brightness */
  51                 u8 light;
  52                 bool pos_ok;
  53                 MapNode n = env->getMap().getNodeNoEx(floatToInt(pos, BS), &pos_ok);
  54                 light = pos_ok ? decode_light(n.getLightBlend(env->getDayNightRatio(),
  55                                                         env->getGameDef()->ndef()))
  56                                : 64;
  57                 video::SColor color(255,light,light,light);
  58                 m_spritenode->setColor(color);
  59         }
  60         virtual ~SmokePuffCSO()
  61         {
  62                 infostream<<"SmokePuffCSO: destructing"<<std::endl;
  63                 m_spritenode->remove();
  64         }
  65         void step(float dtime)
  66         {
  67                 m_age += dtime;
  68                 if(m_age > 1.0){
  69                         m_to_be_removed = true;
  70                 }
  71         }
  72 };
  73
  74 ClientSimpleObject* createSmokePuff(scene::ISceneManager *smgr,
  75                 ClientEnvironment *env, v3f pos, v2f size)
  76 {
  77         return new SmokePuffCSO(smgr, env, pos, size);
  78 }
  79