src/content_cso.cpp

   1 /*
   2 Minetest-c55
   3 Copyright (C) 2012 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
  27 static void setBillboardTextureMatrix(scene::IBillboardSceneNode *bill,
  28                 float txs, float tys, int col, int row)
  29 {
  30         video::SMaterial& material = bill->getMaterial(0);
  31         core::matrix4& matrix = material.getTextureMatrix(0);
  32         matrix.setTextureTranslate(txs*col, tys*row);
  33         matrix.setTextureScale(txs, tys);
  34 }
  35
  36 class SmokePuffCSO: public ClientSimpleObject
  37 {
  38         float m_age;
  39         scene::IBillboardSceneNode *m_spritenode;
  40 public:
  41         SmokePuffCSO(scene::ISceneManager *smgr,
  42                         ClientEnvironment *env, v3f pos, v2f size):
  43                 m_age(0),
  44                 m_spritenode(NULL)
  45         {
  46                 infostream<<"SmokePuffCSO: constructing"<<std::endl;
  47                 m_spritenode = smgr->addBillboardSceneNode(
  48                                 NULL, v2f(1,1), pos, -1);
  49                 m_spritenode->setMaterialTexture(0,
  50                                 env->getGameDef()->tsrc()->getTextureRaw("smoke_puff.png"));
  51                 m_spritenode->setMaterialFlag(video::EMF_LIGHTING, false);
  52                 m_spritenode->setMaterialFlag(video::EMF_BILINEAR_FILTER, false);
  53                 //m_spritenode->setMaterialType(video::EMT_TRANSPARENT_ALPHA_CHANNEL_REF);
  54                 m_spritenode->setMaterialType(video::EMT_TRANSPARENT_ALPHA_CHANNEL);
  55                 m_spritenode->setMaterialFlag(video::EMF_FOG_ENABLE, true);
  56                 m_spritenode->setColor(video::SColor(255,0,0,0));
  57                 m_spritenode->setVisible(true);
  58                 m_spritenode->setSize(size);
  59                 /* Update brightness */
  60                 u8 light = 64;
  61                 try{
  62                         MapNode n = env->getMap().getNode(floatToInt(pos, BS));
  63                         light = decode_light(n.getLightBlend(env->getDayNightRatio(),
  64                                         env->getGameDef()->ndef()));
  65                 }
  66                 catch(InvalidPositionException &e){}
  67                 video::SColor color(255,light,light,light);
  68                 m_spritenode->setColor(color);
  69         }
  70         virtual ~SmokePuffCSO()
  71         {
  72                 infostream<<"SmokePuffCSO: destructing"<<std::endl;
  73                 m_spritenode->remove();
  74         }
  75         void step(float dtime)
  76         {
  77                 m_age += dtime;
  78                 if(m_age > 1.0){
  79                         m_to_be_removed = true;
  80                 }
  81         }
  82 };
  83
  84 ClientSimpleObject* createSmokePuff(scene::ISceneManager *smgr,
  85                 ClientEnvironment *env, v3f pos, v2f size)
  86 {
  87         return new SmokePuffCSO(smgr, env, pos, size);
  88 }
  89