mirror of
https://github.com/AquariaOSE/Aquaria.git
synced 2024-12-01 15:35:47 +00:00
470 lines
9.4 KiB
C++
470 lines
9.4 KiB
C++
/*
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Copyright (C) 2007, 2010 - Bit-Blot
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This file is part of Aquaria.
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Aquaria is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include "Particles.h"
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#include "SimpleIStringStream.h"
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ParticleEffect::ParticleEffect() : RenderObject()
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{
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addType(SCO_PARTICLE_EFFECT);
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running = false;
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waitForParticles = true;
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effectLife = -1;
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die = false;
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effectLifeCounter = -1;
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cull = false;
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}
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void ParticleEffect::setDie(bool v)
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{
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die = v;
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}
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void ParticleEffect::load(const std::string &name)
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{
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BBGE_PROF(ParticleEffect_load);
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particleManager->loadParticleEffectFromBank(name, this);
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}
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void ParticleEffect::transfer(ParticleEffect *pe)
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{
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pe->effectLife = this->effectLife;
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pe->clearEmitters();
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pe->name = this->name;
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for (Emitters::iterator i = emitters.begin(); i != emitters.end(); i++)
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{
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Emitter *e = pe->addNewEmitter();
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e->data = (*i)->data;
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e->setTexture(e->data.texture);
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}
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}
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Emitter *ParticleEffect::addNewEmitter()
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{
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Emitter *e = new Emitter(this);
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emitters.push_back(e);
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addChild(e, PM_POINTER);
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return e;
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}
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void ParticleEffect::clearEmitters()
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{
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for (Emitters::iterator i = emitters.begin(); i != emitters.end(); i++)
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{
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(*i)->destroy();
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delete *i;
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}
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emitters.clear();
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children.clear();
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}
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void ParticleEffect::bankLoad(const std::string &file, const std::string &path)
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{
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std::string usef = path + file + ".txt";
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name = file;
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stringToLower(name);
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clearEmitters();
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usef = core->adjustFilenameCase(usef);
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debugLog(usef);
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char *buffer = readFile(usef);
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if (!buffer)
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{
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debugLog("Can't read " + usef);
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return;
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}
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SimpleIStringStream inf(buffer, SimpleIStringStream::TAKE_OVER);
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std::string token, tmp;
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int state=0;
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Emitter *currentEmitter = 0;
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while (inf >> token)
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{
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if (token == "[Emitter]")
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{
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state = 1;
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currentEmitter = addNewEmitter();
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continue;
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}
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if (token == "[Color]")
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{
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state = 2;
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continue;
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}
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if (token == "[Number]")
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{
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state = 3;
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continue;
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}
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if (token == "[Alpha]")
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{
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state = 4;
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continue;
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}
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if (token == "[Rotation]")
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{
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state = 5;
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continue;
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}
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if (token == "[Scale]")
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{
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state = 6;
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continue;
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}
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if (state == 2 && currentEmitter)
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{
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float t, x, y, z;
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SimpleIStringStream is(token);
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is >> t;
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inf >> x >> y >> z;
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currentEmitter->data.color.ensureData();
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currentEmitter->data.color.data->path.addPathNode(Vector(x,y,z), t);
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currentEmitter->data.color.startPath(currentEmitter->data.life);
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}
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if (state == 3 && currentEmitter)
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{
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float t, num;
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SimpleIStringStream is(token);
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is >> t;
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inf >> num;
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currentEmitter->data.number.ensureData();
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currentEmitter->data.number.data->path.addPathNode(num, t);
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currentEmitter->data.number.startPath(currentEmitter->data.life);
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}
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if (state == 4 && currentEmitter)
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{
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float t, num;
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SimpleIStringStream is(token);
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is >> t;
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inf >> num;
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currentEmitter->data.alpha.ensureData();
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currentEmitter->data.alpha.data->path.addPathNode(num, t);
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currentEmitter->data.alpha.startPath(currentEmitter->data.life);
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}
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if (state == 5 && currentEmitter)
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{
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float t, num;
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SimpleIStringStream is(token);
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is >> t;
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inf >> num;
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currentEmitter->data.rotation.ensureData();
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currentEmitter->data.rotation.data->path.addPathNode(Vector(0,0,num), t);
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currentEmitter->data.rotation.startPath(currentEmitter->data.life);
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}
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if (state == 6 && currentEmitter)
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{
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float t, sx, sy;
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SimpleIStringStream is(token);
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is >> t;
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inf >> sx >> sy;
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currentEmitter->data.scale.ensureData();
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currentEmitter->data.scale.data->path.addPathNode(Vector(sx, sy), t);
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currentEmitter->data.scale.startPath(currentEmitter->data.life);
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}
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if (token == "EmitterLife")
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{
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inf >> tmp;
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inf >> effectLife;
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continue;
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}
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if (token == "EmitterScale")
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{
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inf >> tmp;
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inf >> scale.x;
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scale.y = scale.x;
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continue;
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}
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if (token == "EmitterUpdateCull")
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{
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inf >> tmp;
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inf >> updateCull;
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continue;
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}
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// subs
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if (currentEmitter)
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{
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if (token == "SpawnLocal")
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{
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inf >> tmp;
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inf >> currentEmitter->data.spawnLocal;
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continue;
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}
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else if (token == "Texture")
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{
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inf >> tmp;
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inf >> currentEmitter->data.texture;
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}
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else if (token == "AvatarVelocity")
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{
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inf >> tmp;
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inf >> currentEmitter->data.avatarVelocity;
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}
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else if (token == "AlphaModTimesVel")
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{
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inf >> tmp;
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inf >> currentEmitter->data.alphaModTimesVel;
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}
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else if (token == "RandomScale")
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{
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inf >> tmp;
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inf >> currentEmitter->data.randomScale1 >> currentEmitter->data.randomScale2;
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}
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else if (token == "RandomAlphaMod")
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{
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inf >> tmp;
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inf >> currentEmitter->data.randomAlphaMod1 >> currentEmitter->data.randomAlphaMod2;
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}
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else if (token == "RandomSpawnRadius")
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{
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inf >> tmp;
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inf >> currentEmitter->data.randomSpawnRadius;
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}
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else if (token == "RandomSpawnMod")
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{
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inf >> tmp;
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inf >> currentEmitter->data.randomSpawnMod.x >> currentEmitter->data.randomSpawnMod.y;
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}
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else if (token == "RandomSpawnRadiusRange")
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{
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inf >> tmp;
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inf >> currentEmitter->data.randomSpawnRadiusRange;
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}
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else if (token == "RandomVelocityMagnitude")
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{
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inf >> tmp;
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inf >> currentEmitter->data.randomVelocityMagnitude;
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}
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else if (token == "CopyParentRotation")
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{
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inf >> tmp;
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inf >> currentEmitter->data.copyParentRotation;
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}
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else if (token == "CopyParentFlip")
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{
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inf >> tmp;
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inf >> currentEmitter->data.copyParentFlip;
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}
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else if (token == "JustOne")
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{
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inf >> tmp;
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inf >> currentEmitter->data.justOne;
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}
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else if (token == "SpawnTimeOffset")
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{
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inf >> tmp;
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inf >> currentEmitter->data.spawnTimeOffset;
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}
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else if (token == "RandomRotationRange")
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{
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inf >> tmp;
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inf >> currentEmitter->data.randomRotationRange;
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}
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else if (token == "InitialVelocity")
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{
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inf >> tmp;
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inf >> currentEmitter->data.initialVelocity.x >> currentEmitter->data.initialVelocity.y;
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}
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else if (token == "Influenced")
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{
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inf >> tmp;
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inf >> currentEmitter->data.influenced;
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}
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else if (token == "DeathPrt")
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{
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inf >> tmp;
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inf >> currentEmitter->data.deathPrt;
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}
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else if (token == "Gravity")
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{
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inf >> tmp;
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inf >> currentEmitter->data.gravity.x >> currentEmitter->data.gravity.y;
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}
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else if (token == "PauseLevel")
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{
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inf >> tmp;
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inf >> currentEmitter->data.pauseLevel;
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//errorLog("read in pauseLevel");
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}
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else if (token == "FlipH")
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{
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inf >> tmp;
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inf >> currentEmitter->data.flipH;
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}
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else if (token == "FlipV")
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{
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inf >> tmp;
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inf >> currentEmitter->data.flipV;
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}
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else if (token == "Blend")
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{
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inf >> tmp;
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std::string blendType;
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inf >> blendType;
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if (blendType == "Add")
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currentEmitter->data.blendType = BLEND_ADD;
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else if (blendType == "Sub")
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currentEmitter->data.blendType = RenderObject::BLEND_SUB;
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}
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else if (token == "Width")
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{
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inf >> tmp;
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inf >> currentEmitter->data.width;
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}
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else if (token == "Height")
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{
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inf >> tmp;
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inf >> currentEmitter->data.height;
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}
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else if (token == "Life")
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{
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inf >> tmp;
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inf >> currentEmitter->data.life;
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}
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else if (token == "GroupRender")
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{
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inf >> tmp;
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inf >> currentEmitter->data.groupRender;
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}
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else if (token == "Shape")
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{
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inf >> tmp;
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inf >> tmp;
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}
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else if (token == "Suck")
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{
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inf >> tmp;
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inf >> currentEmitter->data.suckIndex >> currentEmitter->data.suckStr;
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}
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else if (token == "InheritColor")
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{
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inf >> tmp;
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inf >> currentEmitter->data.inheritColor;
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}
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else if (token == "InheritAlpha")
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{
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inf >> tmp;
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inf >> currentEmitter->data.inheritAlpha;
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}
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}
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}
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}
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void ParticleEffect::onUpdate(float dt)
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{
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RenderObject::onUpdate(dt);
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if (effectLifeCounter == 0)
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{
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if (waitForParticles)
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{
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// extra loop, could be combined above later
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int c=0,e=0;
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for (Emitters::iterator i = emitters.begin(); i != emitters.end(); i++)
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{
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if ((*i)->isEmpty())
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{
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e++;
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}
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c++;
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}
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if (c == e)
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{
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if (die)
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safeKill();
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}
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}
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else
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{
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if (die)
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safeKill();
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}
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}
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if (effectLifeCounter != -1 && running)
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{
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effectLifeCounter -= dt;
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if (effectLifeCounter <= 0)
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{
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effectLifeCounter = 0;
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stop();
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}
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}
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}
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// stop the particle effect, let the particles all die off before we delete ourselves
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void ParticleEffect::killParticleEffect()
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{
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effectLifeCounter = 0.0001;
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die = true;
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//stop();
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}
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void ParticleEffect::start()
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{
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effectLifeCounter = effectLife;
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running = true;
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for (Emitters::iterator i = emitters.begin(); i != emitters.end(); i++)
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{
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(*i)->start();
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}
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}
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void ParticleEffect::stop()
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{
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running = false;
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for (Emitters::iterator i = emitters.begin(); i != emitters.end(); i++)
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{
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(*i)->stop();
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}
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}
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void ParticleEffect::onRender()
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{
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BBGE_PROF(ParticleEffect_onRender);
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RenderObject::onRender();
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}
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