From 6276c1ff96e449e73e84977110334cd8957c31b6 Mon Sep 17 00:00:00 2001 From: Bjørn Lindeijer Date: Sun, 3 Jun 2007 16:52:06 +0000 Subject: Fixed image loading in software mode to not check for alpha layer with images aren't 32-bit and removed drawImageTransparent from Graphics class, should be set on image. --- src/particle.cpp | 738 ++++++++++++++++++++++++++++--------------------------- 1 file changed, 370 insertions(+), 368 deletions(-) (limited to 'src/particle.cpp') diff --git a/src/particle.cpp b/src/particle.cpp index 88e8c2b3..f88b9c21 100644 --- a/src/particle.cpp +++ b/src/particle.cpp @@ -1,368 +1,370 @@ -/* - * The Mana World - * Copyright 2006 The Mana World Development Team - * - * This file is part of The Mana World. - * - * The Mana World is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * any later version. - * - * The Mana World 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 General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with The Mana World; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * - */ - -#include "particle.h" - -#include - -#include "animationparticle.h" -#include "configuration.h" -#include "imageparticle.h" -#include "log.h" -#include "map.h" -#include "particleemitter.h" -#include "textparticle.h" - -#include "resources/resourcemanager.h" - -#include "utils/dtor.h" -#include "utils/fastsqrt.h" -#include "utils/xml.h" - -class Graphics; -class Image; - -int Particle::particleCount = 0; -int Particle::maxCount = 0; -int Particle::fastPhysics = 0; -int Particle::emitterSkip = 1; -const float Particle::PARTICLE_SKY = 800.0f; - -Particle::Particle(Map *map) : - mAlive(true), - mPosX(0.0f), mPosY(0.0f), mPosZ(0.0f), - mLifetimeLeft(-1), - mLifetimePast(0), - mFadeOut(0), - mFadeIn(0), - mAutoDelete(true), - mMap(map), - mVectorX(0.0f), mVectorY(0.0f), mVectorZ(0.0f), - mGravity(0.0f), - mRandomnes(0), - mBounce(0.0f), - mTarget(NULL), - mAcceleration(0.0f), - mInvDieDistance(-1.0f), - mMomentum(1.0f) -{ - Particle::particleCount++; - if (mMap) setSpriteIterator(mMap->addSprite(this)); -} - - -void -Particle::setupEngine() -{ - Particle::maxCount = (int)config.getValue("particleMaxCount", 3000); - Particle::fastPhysics = (int)config.getValue("particleFastPhysics", 0); - Particle::emitterSkip = (int)config.getValue("particleEmitterSkip", 0) + 1; - disableAutoDelete(); - logger->log("Particle engine set up"); -} - -bool -Particle::update() -{ - if (!mMap) return false; - - if (mLifetimeLeft == 0) - { - mAlive = false; - } - - if (mAlive) - { - //update child emitters - if (mLifetimePast%Particle::emitterSkip == 0) - { - for ( EmitterIterator e = mChildEmitters.begin(); - e != mChildEmitters.end(); - e++ - ) - { - Particles newParticles = (*e)->createParticles(); - for ( ParticleIterator p = newParticles.begin(); - p != newParticles.end(); - p++ - ) - { - (*p)->moveBy(mPosX, mPosY, mPosZ); - mChildParticles.push_back (*p); - } - } - } - - if (mMomentum != 1.0f) - { - mVectorX *= mMomentum; - mVectorY *= mMomentum; - mVectorZ *= mMomentum; - } - - if (mTarget && mAcceleration != 0.0f) - { - float distX = mPosX - mTarget->getPosX(); - float distY = mPosY - mTarget->getPosY(); - float distZ = mPosZ - mTarget->getPosZ(); - float invHypotenuse; - - switch(Particle::fastPhysics) - { - case 1: - invHypotenuse = fastInvSqrt( - distX * distX + distY * distY + distZ * distZ); - break; - case 2: - invHypotenuse = 2.0f / - fabs(distX) + fabs(distY) + fabs(distZ); - break; - default: - invHypotenuse = 1.0f / sqrt( - distX * distX + distY * distY + distZ * distZ); - break; - } - - if (invHypotenuse) - { - if (mInvDieDistance > 0.0f && invHypotenuse > mInvDieDistance) - { - mAlive = false; - } - float accFactor = invHypotenuse * mAcceleration; - mVectorX -= distX * accFactor; - mVectorY -= distY * accFactor; - mVectorZ -= distZ * accFactor; - } - } - - if (mRandomnes > 0) - { - mVectorX += (rand()%mRandomnes - rand()%mRandomnes) / 1000.0f; - mVectorY += (rand()%mRandomnes - rand()%mRandomnes) / 1000.0f; - mVectorZ += (rand()%mRandomnes - rand()%mRandomnes) / 1000.0f; - } - - mVectorZ -= mGravity; - - // update position - mPosX += mVectorX; - mPosY += mVectorY; - mPosZ += mVectorZ; - - //update other stuff - if (mLifetimeLeft > 0) - { - mLifetimeLeft--; - } - mLifetimePast++; - - if (mPosZ > PARTICLE_SKY || mPosZ < 0.0f) - { - if (mBounce > 0.0f) - { - mPosZ *= -mBounce; - mVectorX *= mBounce; - mVectorY *= mBounce; - mVectorZ *= -mBounce; - } - else { - mAlive = false; - } - } - } - - //update child particles - for ( ParticleIterator p = mChildParticles.begin(); - p != mChildParticles.end(); - - ) - { - if ((*p)->update()) - { - p++; - }else { - delete (*p); - p = mChildParticles.erase(p); - } - } - - if (!mAlive && mChildParticles.empty() && mAutoDelete) - { - return false; - }; - - return true; -} - - -void Particle::draw(Graphics *graphics, int offsetX, int offsetY) const -{ -} - - -Particle* -Particle::addEffect (std::string particleEffectFile, int pixelX, int pixelY) -{ - Particle *newParticle = NULL; - - // XML parser initialisation stuff - int size; - ResourceManager *resman = ResourceManager::getInstance(); - char *data = (char*) resman->loadFile(particleEffectFile.c_str(), size); - - if (!data) { - logger->log("Warning: Particle engine could not find %s !", - particleEffectFile.c_str()); - return NULL; - } - - xmlDocPtr doc = xmlParseMemory(data, size); - free(data); - - if (!doc) { - logger->log("Warning: Particle engine found syntax error in %s!", - particleEffectFile.c_str()); - return NULL; - } - - xmlNodePtr rootNode = xmlDocGetRootElement(doc); - if (!rootNode || !xmlStrEqual(rootNode->name, BAD_CAST "effect")) { - logger->log("Warning: %s is not a valid particle effect definition file!", - particleEffectFile.c_str()); - return NULL; - } - - // parse particles - for_each_xml_child_node(effectChildNode, rootNode) - { - // We're only interested in particles - if (!xmlStrEqual(effectChildNode->name, BAD_CAST "particle")) - continue; - - // Determine the exact particle type - xmlNodePtr node; - - // Animation - if ((node = XML::findFirstChildByName( - effectChildNode, "animation"))) { - newParticle = new AnimationParticle(mMap, node); - } - // Image - else if ((node = XML::findFirstChildByName( - effectChildNode, "image"))) { - Image *img= resman->getImage((const char*) - node->xmlChildrenNode->content); - - newParticle = new ImageParticle(mMap, img); - } - // Other - else { - newParticle = new Particle(mMap); - } - - // Read and set the basic properties of the particle - int offsetX = XML::getProperty(effectChildNode, "position-x", 0); - int offsetY = XML::getProperty(effectChildNode, "position-y", 0); - int offsetZ = XML::getProperty(effectChildNode, "position-z", 0); - - int particleX = (int)mPosX + pixelX + offsetX; - int particleY = (int)mPosY + pixelY + offsetY; - int particleZ = (int)mPosZ + offsetZ; - - int lifetime = XML::getProperty(effectChildNode, "lifetime", -1); - - newParticle->setPosition(particleX, particleY, particleZ); - newParticle->setLifetime(lifetime); - - // Look for additional emitters for this particle - for_each_xml_child_node(emitterNode, effectChildNode) - { - if (!xmlStrEqual(emitterNode->name, BAD_CAST "emitter")) - continue; - - ParticleEmitter *newEmitter; - newEmitter = new ParticleEmitter(emitterNode, newParticle, mMap); - newParticle->addEmitter(newEmitter); - } - - mChildParticles.push_back(newParticle); - } - - return newParticle; -} - - -Particle* -Particle::addTextSplashEffect(std::string text, - int colorR, int colorG, int colorB, - gcn::Font *font, int x, int y) -{ - Particle *newParticle = new TextParticle(mMap, text, colorR, colorG, colorB, - font); - newParticle->setPosition(x, y, 0); - newParticle->setVector ( ((rand()%100) - 50) / 200.0f, //X Vector - ((rand()%100) - 50) / 200.0f, //Y Vector - ((rand()%100) / 200.0f) + 4.0f //Z Vector - ); - newParticle->setGravity(0.1f); - newParticle->setBounce(0.5f); - newParticle->setLifetime(200); - newParticle->setFadeOut(100); - - mChildParticles.push_back(newParticle); - - return newParticle; -} - - -void -Particle::setMap(Map *map) -{ - mMap = map; - if (mMap) setSpriteIterator(mMap->addSprite(this)); - - // TODO: Create map emitters based on emitter data in map data -} - - -Particle::~Particle() -{ - //remove from map sprite list - if (mMap) mMap->removeSprite(mSpriteIterator); - //delete child emitters and child particles - clear(); - Particle::particleCount--; -} - - -void -Particle::clear() -{ - std::for_each(mChildEmitters.begin(), mChildEmitters.end(), - make_dtor(mChildEmitters)); - mChildEmitters.clear(); - - std::for_each(mChildParticles.begin(), mChildParticles.end(), - make_dtor(mChildParticles)); - mChildParticles.clear(); -} +/* + * The Mana World + * Copyright 2006 The Mana World Development Team + * + * This file is part of The Mana World. + * + * The Mana World is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * any later version. + * + * The Mana World 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 General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with The Mana World; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * $Id$ + */ + +#include "particle.h" + +#include + +#include "animationparticle.h" +#include "configuration.h" +#include "imageparticle.h" +#include "log.h" +#include "map.h" +#include "particleemitter.h" +#include "textparticle.h" + +#include "resources/resourcemanager.h" + +#include "utils/dtor.h" +#include "utils/fastsqrt.h" +#include "utils/xml.h" + +class Graphics; +class Image; + +int Particle::particleCount = 0; +int Particle::maxCount = 0; +int Particle::fastPhysics = 0; +int Particle::emitterSkip = 1; +const float Particle::PARTICLE_SKY = 800.0f; + +Particle::Particle(Map *map) : + mAlive(true), + mPosX(0.0f), mPosY(0.0f), mPosZ(0.0f), + mLifetimeLeft(-1), + mLifetimePast(0), + mFadeOut(0), + mFadeIn(0), + mAutoDelete(true), + mMap(map), + mVectorX(0.0f), mVectorY(0.0f), mVectorZ(0.0f), + mGravity(0.0f), + mRandomnes(0), + mBounce(0.0f), + mTarget(NULL), + mAcceleration(0.0f), + mInvDieDistance(-1.0f), + mMomentum(1.0f) +{ + Particle::particleCount++; + if (mMap) setSpriteIterator(mMap->addSprite(this)); +} + + +void +Particle::setupEngine() +{ + Particle::maxCount = (int)config.getValue("particleMaxCount", 3000); + Particle::fastPhysics = (int)config.getValue("particleFastPhysics", 0); + Particle::emitterSkip = (int)config.getValue("particleEmitterSkip", 0) + 1; + disableAutoDelete(); + logger->log("Particle engine set up"); +} + +bool +Particle::update() +{ + if (!mMap) return false; + + if (mLifetimeLeft == 0) + { + mAlive = false; + } + + if (mAlive) + { + // Update child emitters + if (mLifetimePast%Particle::emitterSkip == 0) + { + for ( EmitterIterator e = mChildEmitters.begin(); + e != mChildEmitters.end(); + e++ + ) + { + Particles newParticles = (*e)->createParticles(); + for ( ParticleIterator p = newParticles.begin(); + p != newParticles.end(); + p++ + ) + { + (*p)->moveBy(mPosX, mPosY, mPosZ); + mChildParticles.push_back (*p); + } + } + } + + if (mMomentum != 1.0f) + { + mVectorX *= mMomentum; + mVectorY *= mMomentum; + mVectorZ *= mMomentum; + } + + if (mTarget && mAcceleration != 0.0f) + { + float distX = mPosX - mTarget->getPosX(); + float distY = mPosY - mTarget->getPosY(); + float distZ = mPosZ - mTarget->getPosZ(); + float invHypotenuse; + + switch(Particle::fastPhysics) + { + case 1: + invHypotenuse = fastInvSqrt( + distX * distX + distY * distY + distZ * distZ); + break; + case 2: + invHypotenuse = 2.0f / + fabs(distX) + fabs(distY) + fabs(distZ); + break; + default: + invHypotenuse = 1.0f / sqrt( + distX * distX + distY * distY + distZ * distZ); + break; + } + + if (invHypotenuse) + { + if (mInvDieDistance > 0.0f && invHypotenuse > mInvDieDistance) + { + mAlive = false; + } + float accFactor = invHypotenuse * mAcceleration; + mVectorX -= distX * accFactor; + mVectorY -= distY * accFactor; + mVectorZ -= distZ * accFactor; + } + } + + if (mRandomnes > 0) + { + mVectorX += (rand()%mRandomnes - rand()%mRandomnes) / 1000.0f; + mVectorY += (rand()%mRandomnes - rand()%mRandomnes) / 1000.0f; + mVectorZ += (rand()%mRandomnes - rand()%mRandomnes) / 1000.0f; + } + + mVectorZ -= mGravity; + + // Update position + mPosX += mVectorX; + mPosY += mVectorY; + mPosZ += mVectorZ; + + // Update other stuff + if (mLifetimeLeft > 0) + { + mLifetimeLeft--; + } + mLifetimePast++; + + if (mPosZ > PARTICLE_SKY || mPosZ < 0.0f) + { + if (mBounce > 0.0f) + { + mPosZ *= -mBounce; + mVectorX *= mBounce; + mVectorY *= mBounce; + mVectorZ *= -mBounce; + } + else { + mAlive = false; + } + } + } + + // Update child particles + for ( ParticleIterator p = mChildParticles.begin(); + p != mChildParticles.end(); + + ) + { + if ((*p)->update()) + { + p++; + } else { + delete (*p); + p = mChildParticles.erase(p); + } + } + + if (!mAlive && mChildParticles.empty() && mAutoDelete) + { + return false; + } + + return true; +} + + +void Particle::draw(Graphics *graphics, int offsetX, int offsetY) const +{ +} + + +Particle* +Particle::addEffect(std::string particleEffectFile, int pixelX, int pixelY) +{ + Particle *newParticle = NULL; + + // XML parser initialisation stuff + int size; + ResourceManager *resman = ResourceManager::getInstance(); + char *data = (char*) resman->loadFile(particleEffectFile.c_str(), size); + + if (!data) { + logger->log("Warning: Particle engine could not find %s !", + particleEffectFile.c_str()); + return NULL; + } + + xmlDocPtr doc = xmlParseMemory(data, size); + free(data); + + if (!doc) { + logger->log("Warning: Particle engine found syntax error in %s!", + particleEffectFile.c_str()); + return NULL; + } + + xmlNodePtr rootNode = xmlDocGetRootElement(doc); + if (!rootNode || !xmlStrEqual(rootNode->name, BAD_CAST "effect")) + { + logger->log("Warning: %s is not a valid particle effect definition file!", + particleEffectFile.c_str()); + return NULL; + } + + // Parse particles + for_each_xml_child_node(effectChildNode, rootNode) + { + // We're only interested in particles + if (!xmlStrEqual(effectChildNode->name, BAD_CAST "particle")) + continue; + + // Determine the exact particle type + xmlNodePtr node; + + // Animation + if ((node = XML::findFirstChildByName( + effectChildNode, "animation"))) { + newParticle = new AnimationParticle(mMap, node); + } + // Image + else if ((node = XML::findFirstChildByName( + effectChildNode, "image"))) { + Image *img= resman->getImage((const char*) + node->xmlChildrenNode->content); + + newParticle = new ImageParticle(mMap, img); + } + // Other + else { + newParticle = new Particle(mMap); + } + + // Read and set the basic properties of the particle + int offsetX = XML::getProperty(effectChildNode, "position-x", 0); + int offsetY = XML::getProperty(effectChildNode, "position-y", 0); + int offsetZ = XML::getProperty(effectChildNode, "position-z", 0); + + int particleX = (int)mPosX + pixelX + offsetX; + int particleY = (int)mPosY + pixelY + offsetY; + int particleZ = (int)mPosZ + offsetZ; + + int lifetime = XML::getProperty(effectChildNode, "lifetime", -1); + + newParticle->setPosition(particleX, particleY, particleZ); + newParticle->setLifetime(lifetime); + + // Look for additional emitters for this particle + for_each_xml_child_node(emitterNode, effectChildNode) + { + if (!xmlStrEqual(emitterNode->name, BAD_CAST "emitter")) + continue; + + ParticleEmitter *newEmitter; + newEmitter = new ParticleEmitter(emitterNode, newParticle, mMap); + newParticle->addEmitter(newEmitter); + } + + mChildParticles.push_back(newParticle); + } + + return newParticle; +} + + +Particle* +Particle::addTextSplashEffect(std::string text, + int colorR, int colorG, int colorB, + gcn::Font *font, int x, int y) +{ + Particle *newParticle = new TextParticle(mMap, text, colorR, colorG, colorB, + font); + newParticle->setPosition(x, y, 0); + newParticle->setVector ( ((rand()%100) - 50) / 200.0f, // X vector + ((rand()%100) - 50) / 200.0f, // Y vector + ((rand()%100) / 200.0f) + 4.0f // Z vector + ); + newParticle->setGravity(0.1f); + newParticle->setBounce(0.5f); + newParticle->setLifetime(200); + newParticle->setFadeOut(100); + + mChildParticles.push_back(newParticle); + + return newParticle; +} + + +void +Particle::setMap(Map *map) +{ + mMap = map; + if (mMap) setSpriteIterator(mMap->addSprite(this)); + + // TODO: Create map emitters based on emitter data in map data +} + + +Particle::~Particle() +{ + // Remove from map sprite list + if (mMap) mMap->removeSprite(mSpriteIterator); + // Delete child emitters and child particles + clear(); + Particle::particleCount--; +} + + +void +Particle::clear() +{ + std::for_each(mChildEmitters.begin(), mChildEmitters.end(), + make_dtor(mChildEmitters)); + mChildEmitters.clear(); + + std::for_each(mChildParticles.begin(), mChildParticles.end(), + make_dtor(mChildParticles)); + mChildParticles.clear(); +} -- cgit v1.2.3-70-g09d2