src/content_cso.cpp


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77/*
Minetest
Copyright (C) 2010-2014 celeron55, Perttu Ahola <celeron55@gmail.com>

This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details.

You should have received a copy of the GNU Lesser 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.
*/

#ifndef WIELDMESH_HEADER
#define WIELDMESH_HEADER

#include "irrlichttypes_extrabloated.h"
#include <string>

struct ItemStack;
class IGameDef;
class ITextureSource;
struct TileSpec;

/*
	Wield item scene node, renders the wield mesh of some item
*/
class WieldMeshSceneNode: public scene::ISceneNode
{
public:
	WieldMeshSceneNode(scene::ISceneNode *parent, scene::ISceneManager *mgr,
			s32 id = -1, bool lighting = false);
	virtual ~WieldMeshSceneNode();

	void setCube(const TileSpec tiles[6],
			v3f wield_scale, ITextureSource *tsrc);
	void setExtruded(const std::string &imagename,
			v3f wield_scale, ITextureSource *tsrc, u8 num_frames);
	void setItem(const ItemStack &item, IGameDef *gamedef);

	// Sets the vertex color of the wield mesh.
	// Must only be used if the constructor was called with lighting = false
	void setColor(video
		m_spritenode = smgr->addBillboardSceneNode(
				NULL, v2f(1,1), pos, -1);
		m_spritenode->setMaterialTexture(0,
				env->getGameDef()->tsrc()->getTextureForMesh("smoke_puff.png"));
		m_spritenode->setMaterialFlag(video::EMF_LIGHTING, false);
		m_spritenode->setMaterialFlag(video::EMF_BILINEAR_FILTER, false);
		//m_spritenode->setMaterialType(video::EMT_TRANSPARENT_ALPHA_CHANNEL_REF);
		m_spritenode->setMaterialType(video::EMT_TRANSPARENT_ALPHA_CHANNEL);
		m_spritenode->setMaterialFlag(video::EMF_FOG_ENABLE, true);
		m_spritenode->setColor(video::SColor(255,0,0,0));
		m_spritenode->setVisible(true);
		m_spritenode->setSize(size);
		/* Update brightness */
		u8 light;
		bool pos_ok;
		MapNode n = env->getMap().getNodeNoEx(floatToInt(pos, BS), &pos_ok);
		light = pos_ok ? decode_light(n.getLightBlend(env->getDayNightRatio(),
							env->getGameDef()->ndef()))
		               : 64;
		video::SColor color(255,light,light,light);
		m_spritenode->setColor(color);
	}
	virtual ~SmokePuffCSO()
	{
		infostream<<"SmokePuffCSO: destructing"<<std::endl;
		m_spritenode->remove();
	}
	void step(float dtime)
	{
		m_age += dtime;
		if(m_age > 1.0){
			m_to_be_removed = true;
		}
	}
};

ClientSimpleObject* createSmokePuff(scene::ISceneManager *smgr,
		ClientEnvironment *env, v3f pos, v2f size)
{
	return new SmokePuffCSO(smgr, env, pos, size);
}