From 00fb4bde7974a20aacfc1c52e48fff2faee2d385 Mon Sep 17 00:00:00 2001 From: Philipp Sehmisch Date: Fri, 4 May 2007 13:09:25 +0000 Subject: Merged particle engine into main eAthena branch. --- src/CMakeLists.txt | 10 ++ src/Makefile.am | 12 +- src/animationparticle.cpp | 51 ++++++ src/animationparticle.h | 49 ++++++ src/being.cpp | 98 +++++++----- src/being.h | 10 +- src/engine.cpp | 7 + src/game.cpp | 5 + src/graphics.cpp | 11 ++ src/graphics.h | 8 + src/gui/debugwindow.cpp | 10 ++ src/gui/debugwindow.h | 1 + src/imageparticle.cpp | 67 ++++++++ src/imageparticle.h | 46 ++++++ src/map.cpp | 23 +++ src/map.h | 25 ++- src/net/beinghandler.cpp | 17 +- src/particle.cpp | 366 ++++++++++++++++++++++++++++++++++++++++++++ src/particle.h | 278 +++++++++++++++++++++++++++++++++ src/particleemitter.cpp | 313 +++++++++++++++++++++++++++++++++++++ src/particleemitter.h | 108 +++++++++++++ src/resources/mapreader.cpp | 24 +++ src/simpleanimation.cpp | 87 ++++++++++- src/simpleanimation.h | 27 ++-- src/utils/fastsqrt.h | 23 +++ src/utils/minmax.h | 47 ++++++ src/utils/wingettimeofday.h | 226 +++++++++++++-------------- src/utils/xml.cpp | 23 +++ src/utils/xml.h | 11 ++ 29 files changed, 1812 insertions(+), 171 deletions(-) create mode 100644 src/animationparticle.cpp create mode 100644 src/animationparticle.h create mode 100644 src/imageparticle.cpp create mode 100644 src/imageparticle.h create mode 100644 src/particle.cpp create mode 100644 src/particle.h create mode 100644 src/particleemitter.cpp create mode 100644 src/particleemitter.h create mode 100644 src/utils/fastsqrt.h create mode 100644 src/utils/minmax.h (limited to 'src') diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt index ed5623fc..b88921c6 100644 --- a/src/CMakeLists.txt +++ b/src/CMakeLists.txt @@ -260,6 +260,8 @@ SET(SRCS utils/xml.h animatedsprite.cpp animatedsprite.h + animationparticle.cpp + animationparticle.h being.cpp being.h beingmanager.cpp @@ -280,6 +282,8 @@ SET(SRCS graphics.cpp graphics.h guichanfwd.h + imageparticle.cpp + imageparticle.h inventory.cpp inventory.h item.cpp @@ -302,6 +306,10 @@ SET(SRCS npc.h openglgraphics.cpp openglgraphics.h + particle.cpp + particle.h + particleemitter.cpp + particleemitter.h player.cpp player.h properties.h @@ -311,6 +319,8 @@ SET(SRCS sound.cpp sound.h sprite.h + textparticle.cpp + textparticle.h tileset.h ) diff --git a/src/Makefile.am b/src/Makefile.am index d491ca4b..088c4b18 100644 --- a/src/Makefile.am +++ b/src/Makefile.am @@ -209,6 +209,8 @@ tmw_SOURCES = gui/widgets/resizegrip.cpp \ utils/xml.h \ animatedsprite.cpp \ animatedsprite.h \ + animationparticle.cpp \ + animationparticle.h \ being.cpp \ being.h \ beingmanager.cpp \ @@ -229,6 +231,8 @@ tmw_SOURCES = gui/widgets/resizegrip.cpp \ graphics.cpp \ graphics.h \ guichanfwd.h \ + imageparticle.cpp \ + imageparticle.h \ inventory.cpp \ inventory.h \ item.cpp \ @@ -251,15 +255,21 @@ tmw_SOURCES = gui/widgets/resizegrip.cpp \ npc.h \ openglgraphics.cpp\ openglgraphics.h \ + particle.cpp \ + particle.h \ + particleemitter.cpp \ + particleemitter.h \ player.cpp \ player.h \ properties.h \ serverinfo.h \ simpleanimation.cpp \ - simpleanimation.h \ + simpleanimation.h \ sound.cpp \ sound.h \ sprite.h \ + textparticle.cpp \ + textparticle.h \ tileset.h # set the include path found by configure diff --git a/src/animationparticle.cpp b/src/animationparticle.cpp new file mode 100644 index 00000000..30c33da7 --- /dev/null +++ b/src/animationparticle.cpp @@ -0,0 +1,51 @@ +/* + * 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 "animationparticle.h" + +#include "graphics.h" +#include "simpleanimation.h" + +AnimationParticle::AnimationParticle(Map *map, Animation *animation): + ImageParticle(map, 0), + mAnimation(new SimpleAnimation(animation)) +{ +} + +AnimationParticle::AnimationParticle(Map *map, xmlNodePtr animationNode): + ImageParticle(map, 0), + mAnimation(new SimpleAnimation(animationNode)) +{ +} + +AnimationParticle::~AnimationParticle() +{ + delete mAnimation; +} + +bool AnimationParticle::update() +{ + mAnimation->update(10); // particle engine is updated every 10ms + mImage = mAnimation->getCurrentImage(); + + return Particle::update(); +} diff --git a/src/animationparticle.h b/src/animationparticle.h new file mode 100644 index 00000000..054b1b73 --- /dev/null +++ b/src/animationparticle.h @@ -0,0 +1,49 @@ +/* + * 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 + * + */ + +#ifndef _ANIMATION_PARTICLE +#define _ANIMATION_PARTICLE + +#include + +#include "imageparticle.h" + +class Animation; +class Map; +class SimpleAnimation; + +class AnimationParticle : public ImageParticle +{ + public: + AnimationParticle(Map *map, Animation *animation); + + AnimationParticle(Map *map, xmlNodePtr animationNode); + + ~AnimationParticle(); + + virtual bool update(); + + private: + SimpleAnimation *mAnimation; /**< Used animation for this particle */ +}; + +#endif diff --git a/src/being.cpp b/src/being.cpp index 930c2d24..db7751bf 100644 --- a/src/being.cpp +++ b/src/being.cpp @@ -30,12 +30,16 @@ #include "graphics.h" #include "log.h" #include "map.h" +#include "particle.h" #include "resources/resourcemanager.h" #include "resources/imageset.h" #include "gui/gui.h" +#include "resources/resourcemanager.h" +#include "resources/imageset.h" + #include "utils/dtor.h" #include "utils/tostring.h" @@ -58,7 +62,6 @@ Being::Being(Uint32 id, Uint16 job, Map *map): mHairStyle(0), mHairColor(0), mSex(2), mSpeechTime(0), - mDamageTime(0), mPx(0), mPy(0), mSprites(VECTOREND_SPRITE, NULL), mEquipmentSpriteIDs(VECTOREND_SPRITE, 0) @@ -82,6 +85,13 @@ Being::~Being() clearPath(); setMap(NULL); + for ( std::list::iterator i = mChildParticleEffects.begin(); + i != mChildParticleEffects.end(); + i++) + { + (*i)->kill(); + } + instances--; if (instances == 0) @@ -154,8 +164,34 @@ Being::setSpeech(const std::string &text, Uint32 time) void Being::takeDamage(int amount) { - mDamage = amount ? toString(amount) : "miss"; - mDamageTime = 300; + gcn::Font* font; + std::string damage = amount ? toString(amount) : "miss"; + + // Selecting the right color + if (damage == "miss") + { + font = hitYellowFont; + } + else + { + // hit particle effect + controlParticle(particleEngine->addEffect("graphics/particles/hit.particle.xml", 0, 0)); + + if (getType() == MONSTER) + { + font = hitBlueFont; + } + else + { + font = hitRedFont; + } + } + + // show damage number + particleEngine->addTextSplashEffect(damage, + font, + gcn::Color(255, 255, 255), + mPx + 16, mPy + 16); } void @@ -182,6 +218,19 @@ Being::setMap(Map *map) { mSpriteIterator = mMap->addSprite(this); } + + //clear particle effect list because child particles became invalid + mChildParticleEffects.clear(); +} + +void +Being::controlParticle(Particle *particle) +{ + if (particle) + { + particle->disableAutoDelete(); //the effect may not die without the beings permission or we segvault + mChildParticleEffects.push_back(particle); + } } void @@ -321,10 +370,6 @@ Being::logic() if (mSpeechTime > 0) mSpeechTime--; - // Reduce the time that damage is still displayed - if (mDamageTime > 0) - mDamageTime--; - // Update pixel coordinates mPx = mX * 32 + getXOffset(); mPy = mY * 32 + getYOffset(); @@ -345,6 +390,14 @@ Being::logic() mSprites[i]->update(tick_time * 10); } } + + //Update particle effects + for ( std::list::iterator i = mChildParticleEffects.begin(); + i != mChildParticleEffects.end(); + i++) + { + (*i)->setPosition((float)mPx + 16.0f, (float)mPy + 32.0f); + } } void @@ -387,37 +440,6 @@ Being::drawSpeech(Graphics *graphics, Sint32 offsetX, Sint32 offsetY) graphics->setColor(gcn::Color(255, 255, 255)); graphics->drawText(mSpeech, px + 18, py - 60, gcn::Graphics::CENTER); } - - // Draw damage above this being - if (mDamageTime > 0 && mDamageTime < 275) - { - // Selecting the right color - if (mDamage == "miss") - { - graphics->setFont(hitYellowFont); - } - else if (getType() == MONSTER) - { - graphics->setFont(hitBlueFont); - } - else - { - graphics->setFont(hitRedFont); - } - - int textY = (getType() == MONSTER) ? 32 : 70; - int ft = 150 - mDamageTime; - float a = (ft > 0) ? 1.0 - ft / 150.0 : 1.0; - - graphics->setColor(gcn::Color(255, 255, 255, (int)(255 * a))); - graphics->drawText(mDamage, - px + 16, - py - textY - (300 - mDamageTime) / 10, - gcn::Graphics::CENTER); - - // Reset alpha value - graphics->setColor(gcn::Color(255, 255, 255)); - } } Being::Type diff --git a/src/being.h b/src/being.h index 08b0e710..5dbd845b 100644 --- a/src/being.h +++ b/src/being.h @@ -42,6 +42,7 @@ class Item; class Map; class Graphics; class ImageSet; +class Particle; /** * A position along a being's path. @@ -351,6 +352,12 @@ class Being : public Sprite std::auto_ptr mEquipment; + /** + * Take control of a particle + */ + void + controlParticle(Particle *particle); + protected: /** * Sets the new path for this being. @@ -380,15 +387,14 @@ class Being : public Sprite Path mPath; std::string mSpeech; - std::string mDamage; Uint16 mHairStyle, mHairColor; Uint8 mSex; Uint32 mSpeechTime; - Uint32 mDamageTime; Sint32 mPx, mPy; /**< Pixel coordinates */ std::vector mSprites; std::vector mEquipmentSpriteIDs; + std::list mChildParticleEffects; private: static int instances; /**< Number of Being instances */ diff --git a/src/engine.cpp b/src/engine.cpp index 8546f150..fb6b6048 100644 --- a/src/engine.cpp +++ b/src/engine.cpp @@ -36,6 +36,7 @@ #include "log.h" #include "main.h" #include "map.h" +#include "particle.h" #include "sound.h" #include "gui/gui.h" @@ -68,6 +69,7 @@ void Engine::changeMap(const std::string &mapPath) floorItemManager->clear(); beingManager->clear(); + particleEngine->clear(); // Store full map path in global var map_path = "maps/" + mapPath.substr(0, mapPath.rfind(".")) + ".tmx.gz"; @@ -88,8 +90,12 @@ void Engine::changeMap(const std::string &mapPath) } minimap->setMapImage(mapImage); beingManager->setMap(newMap); + particleEngine->setMap(newMap); viewport->setMap(newMap); + // Initialize map-based particle effects + newMap->initializeParticleEffects(particleEngine); + // Start playing new music file when necessary std::string oldMusic = ""; @@ -115,5 +121,6 @@ void Engine::changeMap(const std::string &mapPath) void Engine::logic() { beingManager->logic(); + particleEngine->update(); gui->logic(); } diff --git a/src/game.cpp b/src/game.cpp index d8235384..a51343dd 100644 --- a/src/game.cpp +++ b/src/game.cpp @@ -40,6 +40,7 @@ #include "localplayer.h" #include "log.h" #include "npc.h" +#include "particle.h" #include "gui/buy.h" #include "gui/buysell.h" @@ -117,6 +118,7 @@ DebugWindow *debugWindow; BeingManager *beingManager = NULL; FloorItemManager *floorItemManager = NULL; +Particle* particleEngine = NULL; const int MAX_TIME = 10000; @@ -251,6 +253,8 @@ Game::Game(Network *network): beingManager = new BeingManager(network); floorItemManager = new FloorItemManager(); + particleEngine = new Particle(NULL); + particleEngine->setupEngine(); // Initialize timers tick_time = 0; @@ -295,6 +299,7 @@ Game::~Game() delete beingManager; delete floorItemManager; delete joystick; + delete particleEngine; beingManager = NULL; floorItemManager = NULL; diff --git a/src/graphics.cpp b/src/graphics.cpp index f007470a..4ea75a93 100644 --- a/src/graphics.cpp +++ b/src/graphics.cpp @@ -148,6 +148,17 @@ bool Graphics::drawImage(Image *image, int srcX, int srcY, int dstX, int dstY, return !(SDL_BlitSurface(image->mImage, &srcRect, mScreen, &dstRect) < 0); } +bool Graphics::drawImageTransparent(Image *image, int x, int y, float opacity) +{ + if (!image) return false; + + float oldalpha = image->getAlpha(); + image->setAlpha(opacity * oldalpha); + bool retval = drawImage(image, x, y); + image->setAlpha(oldalpha); + return retval; +} + void Graphics::drawImagePattern(Image *image, int x, int y, int w, int h) { int iw = image->getWidth(); diff --git a/src/graphics.h b/src/graphics.h index b3d36653..abef794f 100644 --- a/src/graphics.h +++ b/src/graphics.h @@ -97,6 +97,14 @@ class Graphics : public gcn::SDLGraphics { int dstX, int dstY, int width, int height); + /** + * Blits an image onto the screen with an alpha factor + * + * @return true if the image was blitted properly + * false otherwise. + */ + bool drawImageTransparent(Image *image, int x, int y, float opacity); + virtual void drawImagePattern(Image *image, int x, int y, diff --git a/src/gui/debugwindow.cpp b/src/gui/debugwindow.cpp index 563f380f..ebf7d974 100644 --- a/src/gui/debugwindow.cpp +++ b/src/gui/debugwindow.cpp @@ -33,6 +33,7 @@ #include "../game.h" #include "../engine.h" +#include "../particle.h" #include "../map.h" #include "../utils/tostring.h" @@ -58,6 +59,9 @@ DebugWindow::DebugWindow(): mTileMouseLabel = new gcn::Label("[Mouse: 0, 0]"); mTileMouseLabel->setPosition(100, 0); + mParticleCountLabel = new gcn::Label("[Particle count: 0]"); + mParticleCountLabel->setPosition(100, 60); + Button *closeButton = new Button("Close", "close", this); closeButton->setPosition(5, 60); @@ -65,6 +69,7 @@ DebugWindow::DebugWindow(): add(mMusicFileLabel); add(mMapFileLabel); add(mTileMouseLabel); + add(mParticleCountLabel); add(closeButton); } @@ -97,6 +102,11 @@ DebugWindow::logic() mMapFileLabel->setCaption(minimap); mMapFileLabel->adjustSize(); } + + mParticleCountLabel->setCaption("[Particle count: " + + toString(Particle::particleCount) + +"]"); + mParticleCountLabel->adjustSize(); } void diff --git a/src/gui/debugwindow.h b/src/gui/debugwindow.h index 4fd33d83..d082b2ca 100644 --- a/src/gui/debugwindow.h +++ b/src/gui/debugwindow.h @@ -58,6 +58,7 @@ class DebugWindow : public Window, public gcn::ActionListener private: gcn::Label *mMusicFileLabel, *mMapFileLabel; gcn::Label *mTileMouseLabel, *mFPSLabel; + gcn::Label *mParticleCountLabel; }; #endif diff --git a/src/imageparticle.cpp b/src/imageparticle.cpp new file mode 100644 index 00000000..86e7e50f --- /dev/null +++ b/src/imageparticle.cpp @@ -0,0 +1,67 @@ +/* + * 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 "imageparticle.h" + +#include "graphics.h" + +#include "resources/image.h" + +ImageParticle::ImageParticle(Map *map, Image *image): + Particle(map), + mImage(image) +{ +} + +void ImageParticle::draw(Graphics *graphics, int offsetX, int offsetY) const +{ + if (!mAlive) + return; + + int screenX = (int)mPosX + offsetX - mImage->getWidth()/2; + int screenY = (int)mPosY - int(mPosZ) + offsetY - mImage->getHeight()/2; + + // check if on screen + if (screenX + mImage->getWidth() < 0 || + screenX > graphics->getWidth() || + screenY + mImage->getHeight() < 0 || + screenY > graphics->getHeight()) + return; + + float alphafactor = 1.0f; + + if (mLifetimeLeft > -1 && mLifetimeLeft < mFadeOut) + alphafactor *= ((float)mLifetimeLeft / (float)mFadeOut); + + if (mLifetimePast < mFadeIn) + alphafactor *= ((float)mLifetimePast / (float)mFadeIn); + + if (alphafactor < 1.0f) { + graphics->drawImageTransparent(mImage, + screenX, + screenY, + alphafactor + ); + } else { + graphics->drawImage(mImage, screenX, screenY); + } +} diff --git a/src/imageparticle.h b/src/imageparticle.h new file mode 100644 index 00000000..4396fb7c --- /dev/null +++ b/src/imageparticle.h @@ -0,0 +1,46 @@ +/* + * 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 + * + */ + +#ifndef _IMAGEPARTICLE_H +#define _IMAGEPARTICLE_H + +#include "particle.h" + +class Image; +class Map; + +class ImageParticle : public Particle +{ + public: + ImageParticle(Map *map, Image *image); + + /** + * Draws the particle image + */ + virtual void + draw(Graphics *graphics, int offsetX, int offsetY) const; + + protected: + Image *mImage; /**< The image used for this particle. */ +}; + +#endif diff --git a/src/map.cpp b/src/map.cpp index 575f80d3..1f0c22b9 100644 --- a/src/map.cpp +++ b/src/map.cpp @@ -29,6 +29,7 @@ #include "beingmanager.h" #include "game.h" #include "graphics.h" +#include "particle.h" #include "sprite.h" #include "tileset.h" @@ -508,3 +509,25 @@ Map::findPath(int startX, int startY, int destX, int destY) return path; } + +void +Map::addParticleEffect (std::string effectFile, int x, int y) +{ + ParticleEffectData newEffect; + newEffect.file = effectFile; + newEffect.x = x; + newEffect.y = y; + particleEffects.push_back(newEffect); +} + +void +Map::initializeParticleEffects(Particle* particleEngine) +{ + for (std::list::iterator i = particleEffects.begin(); + i != particleEffects.end(); + i++ + ) + { + particleEngine->addEffect(i->file, i->x, i->y); + } +} diff --git a/src/map.h b/src/map.h index 15b9b0dc..3ccbe7ae 100644 --- a/src/map.h +++ b/src/map.h @@ -32,8 +32,9 @@ class AmbientOverlay; class Graphics; class Image; -class Tileset; +class Particle; class Sprite; +class Tileset; struct PATH_NODE; @@ -185,6 +186,17 @@ class Map : public Properties void removeSprite(SpriteIterator iterator); + /** + * Adds a particle effect + */ + void addParticleEffect (std::string effectFile, int x, int y); + + /** + * Initializes all added particle effects + */ + void + initializeParticleEffects(Particle* particleEngine); + private: /** * Converts a global tile id to the Image* pointing to the associated @@ -220,10 +232,19 @@ class Map : public Properties // Pathfinding members int mOnClosedList, mOnOpenList; - //overlay Data + // Overlay Data std::list mOverlays; float mLastScrollX; float mLastScrollY; + + // Particle effect data + struct ParticleEffectData + { + std::string file; + int x; + int y; + }; + std::list particleEffects; }; #endif diff --git a/src/net/beinghandler.cpp b/src/net/beinghandler.cpp index 4734a710..fc202b36 100644 --- a/src/net/beinghandler.cpp +++ b/src/net/beinghandler.cpp @@ -34,6 +34,7 @@ #include "../localplayer.h" #include "../log.h" #include "../main.h" +#include "../particle.h" #include "../sound.h" const int EMOTION_TIME = 150; /**< Duration of emotion icon */ @@ -212,13 +213,23 @@ void BeingHandler::handleMessage(MessageIn *msg) break; case SMSG_BEING_LEVELUP: - if ((Uint32) msg->readInt32() == player_node->getId()) { + id = (Uint32)msg->readInt32(); + + if (id == player_node->getId()) { logger->log("Level up"); sound.playSfx("sfx/levelup.ogg"); - } else { + } + else { logger->log("Someone else went level up"); } - msg->readInt32(); // type + Particle *levelupFX; + if (msg->readInt32() == 0) { // type + levelupFX = particleEngine->addEffect("graphics/particles/levelup.particle.xml", 0, 0); + } + else { + levelupFX = particleEngine->addEffect("graphics/particles/skillup.particle.xml", 0, 0); + } + beingManager->findBeing(id)->controlParticle(levelupFX); break; case SMSG_BEING_EMOTION: diff --git a/src/particle.cpp b/src/particle.cpp new file mode 100644 index 00000000..bb28c873 --- /dev/null +++ b/src/particle.cpp @@ -0,0 +1,366 @@ +/* + * 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) + { + logger->log("killed"); + 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 && fabs(mVectorZ) > mGravity * 2) { + 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, gcn::Font *font, gcn::Color color, int x, int y) +{ + Particle *newParticle = new TextParticle(mMap, text, font, color); + 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); + + 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(); +} diff --git a/src/particle.h b/src/particle.h new file mode 100644 index 00000000..f208225a --- /dev/null +++ b/src/particle.h @@ -0,0 +1,278 @@ +/* + * 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 + * + */ + +#ifndef _PARTICLE_H +#define _PARTICLE_H + +#include +#include + +#include + +#include "guichanfwd.h" +#include "sprite.h" + + +class Map; +class Particle; +class ParticleEmitter; + +typedef std::list Particles; +typedef Particles::iterator ParticleIterator; +typedef std::list Emitters; +typedef Emitters::iterator EmitterIterator; + +/** + * a particle spawned by a ParticleEmitter + */ +class Particle : public Sprite +{ + public: + static const float PARTICLE_SKY; /**< maximum Z position of particles */ + static int fastPhysics; /**< mode of squareroot calculation */ + static int particleCount; /**< current number of particles*/ + static int maxCount; /**< maximum number of particles*/ + static int emitterSkip; /**< duration of pause between two emitter updates in ticks */ + + Particle(Map *map); + + ~Particle(); + + /** + * Deletes all child particles and emitters + */ + void + clear(); + + /** + * Gives a particle the properties of an engine root particle and loads + * the particle-related config settings + */ + void + setupEngine(); + + /** + * Updates particle position, returns false when the particle should + * be deleted + */ + virtual bool + update(); + + /** + * Draws the particle image + */ + virtual void + draw(Graphics *graphics, int offsetX, int offsetY) const; + + /** + * Necessary for sorting with the other sprites + */ + virtual int + getPixelY() const + { + return (int)(mPosY + mPosZ) - 64; + }; + + /* + Basic Particle properites: + */ + + /** + * Sets the map the particle is on + */ + void setMap(Map *map); + + /** + * Creates a child particle that hosts some emitters described in the + * particleEffectFile + */ + Particle* + addEffect (std::string particleEffectFile, int pixelX, int pixelY); + + /** + * Creates a standalone text particle + */ + Particle* + addTextSplashEffect(std::string text, gcn::Font *font, gcn::Color color, int x, int y); + + /** + * Adds an emitter to the particle + */ + void + addEmitter (ParticleEmitter* emitter) + { mChildEmitters.push_back(emitter);}; + + /** + * Sets the position in 3 dimensional space in pixels relative to map + */ + void + setPosition(float x, float y, float z) + { mPosX = x; mPosY = y; mPosZ = z; }; + + /** + * Sets the position in 2 dimensional space in pixels relative to map + */ + void + setPosition(float x, float y) + { mPosX = x; mPosY = y; }; + + float getPosX() const + { return mPosX; }; + + float getPosY() const + { return mPosY; }; + + float getPosZ() const + { return mPosZ; }; + + /** + * Changes the particle position relative + */ + void + moveBy(float x, float y, float z) + { mPosX += x; mPosY += y; mPosZ += z; }; + + /** + * Sets the time in game ticks until the particle is destroyed. + */ + void + setLifetime(int lifetime) + { mLifetimeLeft = lifetime; mLifetimePast = 0; }; + + /** + * Sets the age of the pixel in game ticks where the particle has + * faded in completely + */ + void + setFadeOut (int fadeOut) + { mFadeOut = fadeOut; }; + + /** + * Sets the remaining particle lifetime where the particle starts to + * fade out + */ + void + setFadeIn (int fadeIn) + { mFadeIn = fadeIn; }; + + /** + * Sets the sprite iterator of the particle on the current map to make + * it easier to remove the particle from the map when it is destroyed + */ + void + setSpriteIterator(std::list::iterator spriteIterator) + { mSpriteIterator = spriteIterator; }; + + /** + * Gets the sprite iterator of the particle on the current map + */ + std::list::iterator + getSpriteIterator() const + { return mSpriteIterator; }; + + /** + * Sets the current velocity in 3 dimensional space + */ + void + setVector(float x, float y, float z) + { mVectorX = x; mVectorY = y; mVectorZ = z; }; + + /** + * Sets the downward acceleration + */ + void + setGravity(float g) + { mGravity = g; }; + + /** + * Sets the ammount of random vector changes + */ + void + setRandomnes(int r) + { mRandomnes = r; }; + + /** + * Sets the ammount of velocity particles retain after + * hitting the ground. + */ + void + setBounce(float bouncieness) + { mBounce = bouncieness; }; + + /** + * Makes the particle move toward another particle with a + * given acceleration and momentum + */ + void setDestination(Particle *target, float accel, float moment) + { mTarget = target; mAcceleration = accel; mMomentum = moment; }; + + /** + * Sets the distance in pixel the particle can come near the target + * particle before it is destroyed. Does only make sense after a + * target particle has been set using setDestination. + */ + void setDieDistance(float dist) + { mInvDieDistance = 1.0f / dist; }; + + /** + * Manually marks the particle for deletion + */ + void kill() + { mAlive = false; mAutoDelete = true; }; + + /** + * After calling this function the particle will only request + * deletion when kill() is called + */ + void disableAutoDelete() + { mAutoDelete = false; }; + + protected: + bool mAlive; /**< Is the particle supposed to be drawn and updated?*/ + float mPosX, mPosY, mPosZ; /**< Position in 3 dimensonal space - pixel based relative to map */ + int mLifetimeLeft; /**< Lifetime left in game ticks*/ + int mLifetimePast; /**< Age of the particle in game ticks*/ + int mFadeOut; /**< Lifetime in game ticks left where fading out begins*/ + int mFadeIn; /**< Age in game ticks where fading in is finished*/ + + private: + // generic properties + bool mAutoDelete; /**< May the particle request its deletion by the parent particle?*/ + Map *mMap; /**< Map the particle is on*/ + std::list::iterator mSpriteIterator; /**< iterator of the particle on the current map */ + Emitters mChildEmitters; /**< List of child emitters*/ + Particles mChildParticles; /**< List of particles controlled by this particle*/ + //dynamic particle + float mVectorX, mVectorY, mVectorZ; /**< Speed in 3 dimensional space in pixels per game-tick */ + float mGravity; /**< Downward acceleration in pixels per game-tickČ*/ + int mRandomnes; /**< Ammount of random vector change*/ + float mBounce; /**< How much the particle bounces off when hitting the ground*/ + //follow-point particles + Particle *mTarget; /**< The particle that attracts this particle*/ + float mAcceleration; /**< Acceleration towards the target particle in pixels per game-tickČ*/ + float mInvDieDistance; /**< Distance in pixels from the target particle that causes the destruction of the particle*/ + float mMomentum; /**< How much speed the particle retains after each game tick*/ +}; + +extern Particle *particleEngine; + +#endif diff --git a/src/particleemitter.cpp b/src/particleemitter.cpp new file mode 100644 index 00000000..62ac6bd8 --- /dev/null +++ b/src/particleemitter.cpp @@ -0,0 +1,313 @@ +/* + * 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 "particleemitter.h" + +#include "animationparticle.h" +#include "imageparticle.h" +#include "log.h" +#include "particle.h" + +#include "resources/animation.h" +#include "resources/image.h" +#include "resources/resourcemanager.h" +#include "resources/imageset.h" + +#include + +#define SIN45 0.707106781f +#define DEG_RAD_FACTOR 0.017453293f + +ParticleEmitter::ParticleEmitter(xmlNodePtr emitterNode, Particle *target, Map *map) +{ + mMap = map; + mParticleTarget = target; + + //initializing default values + mParticlePosX.set (0.0f); + mParticlePosY.set (0.0f); + mParticlePosZ.set (0.0f); + mParticleAngleHorizontal.set (0.0f); + mParticleAngleVertical.set (0.0f); + mParticlePower.set (0.0f); + mParticleGravity.set (0.0f); + mParticleRandomnes.set (0); + mParticleBounce.set(0.0f); + mParticleAcceleration.set (0.0f); + mParticleDieDistance.set(-1.0f); + mParticleMomentum.set (1.0f); + mParticleLifetime.set (-1); + mParticleFadeOut.set (0); + mParticleFadeIn.set (0); + mOutput.set (1); + mParticleImage = ""; + + for_each_xml_child_node(propertyNode, emitterNode) + { + if (xmlStrEqual(propertyNode->name, BAD_CAST "property")) + { + std::string name = XML::getProperty(propertyNode, "name", ""); + + if (name == "position-x") + { + mParticlePosX = readMinMax(propertyNode, 0.0f); + } + else if (name == "position-y") + { + + mParticlePosY = readMinMax(propertyNode, 0.0f); + } + else if (name == "position-z") + { + mParticlePosZ = readMinMax(propertyNode, 0.0f); + } + else if (name == "image") + { + mParticleImage = XML::getProperty(propertyNode, "value", ""); + } + else if (name == "horizontal-angle") + { + mParticleAngleHorizontal = readMinMax(propertyNode, 0.0f); + mParticleAngleHorizontal.minVal *= DEG_RAD_FACTOR; + mParticleAngleHorizontal.maxVal *= DEG_RAD_FACTOR; + } + else if (name == "vertical-angle") + { + mParticleAngleVertical = readMinMax(propertyNode, 0.0f); + mParticleAngleVertical.minVal *= DEG_RAD_FACTOR; + mParticleAngleVertical.maxVal *= DEG_RAD_FACTOR; + } + else if (name == "power") + { + mParticlePower = readMinMax(propertyNode, 0.0f); + } + else if (name == "gravity") + { + mParticleGravity = readMinMax(propertyNode, 0.0f); + } + else if (name == "randomnes") + { + mParticleRandomnes = readMinMax(propertyNode, 0); + } + else if (name == "bounce") + { + mParticleBounce = readMinMax(propertyNode, 0.0f); + } + else if (name == "lifetime") + { + mParticleLifetime = readMinMax(propertyNode, 0); + mParticleLifetime.minVal += 1; + } + else if (name == "output") + { + mOutput = readMinMax(propertyNode, 0); + mOutput.maxVal +=1; + } + else if (name == "acceleration") + { + mParticleAcceleration = readMinMax(propertyNode, 0.0f); + } + else if (name == "die-distance") + { + mParticleDieDistance = readMinMax(propertyNode, 0.0f); + } + else if (name == "momentum") + { + mParticleMomentum = readMinMax(propertyNode, 1.0f); + } + else if (name == "fade-out") + { + mParticleFadeOut = readMinMax(propertyNode, 0); + } + else if (name == "fade-in") + { + mParticleFadeIn = readMinMax(propertyNode, 0); + } + else + { + logger->log("Particle Engine: Warning, unknown emitter property \"%s\"", + name.c_str() + ); + } + } + else if (xmlStrEqual(propertyNode->name, BAD_CAST "emitter")) + { + ParticleEmitter newEmitter(propertyNode, mParticleTarget, map); + mParticleChildEmitters.push_back(newEmitter); + } + else if (xmlStrEqual(propertyNode->name, BAD_CAST "animation")) + { + ImageSet *imageset = ResourceManager::getInstance()->getImageSet( + XML::getProperty(propertyNode, "imageset", ""), + XML::getProperty(propertyNode, "width", 0), + XML::getProperty(propertyNode, "height", 0) + ); + + // Get animation frames + for_each_xml_child_node(frameNode, propertyNode) + { + int delay = XML::getProperty(frameNode, "delay", 0); + int offsetX = XML::getProperty(frameNode, "offsetX", 0); + int offsetY = XML::getProperty(frameNode, "offsetY", 0); + offsetY -= imageset->getHeight() - 32; + offsetX -= imageset->getWidth() / 2 - 16; + + if (xmlStrEqual(frameNode->name, BAD_CAST "frame")) + { + int index = XML::getProperty(frameNode, "index", -1); + + if (index < 0) + { + logger->log("No valid value for 'index'"); + continue; + } + + Image *img = imageset->get(index); + + if (!img) + { + logger->log("No image at index " + (index)); + continue; + } + + mParticleAnimation.addFrame(img, delay, offsetX, offsetY); + } + else if (xmlStrEqual(frameNode->name, BAD_CAST "sequence")) + { + int start = XML::getProperty(frameNode, "start", -1); + int end = XML::getProperty(frameNode, "end", -1); + + if (start < 0 || end < 0) + { + logger->log("No valid value for 'start' or 'end'"); + continue; + } + + while (end >= start) + { + Image *img = imageset->get(start); + + if (!img) + { + logger->log("No image at index " + + (start)); + continue; + } + + mParticleAnimation.addFrame(img, delay, offsetX, offsetY); + start++; + } + } + else if (xmlStrEqual(frameNode->name, BAD_CAST "end")) + { + mParticleAnimation.addTerminator(); + } + } // for frameNode + } + } +} + + +template MinMax +ParticleEmitter::readMinMax(xmlNodePtr propertyNode, T def) +{ + MinMax retval; + + def = (T)XML::getFloatProperty(propertyNode, "value", (double)def); + retval.set ( (T)XML::getFloatProperty(propertyNode, "min", (double)def), + (T)XML::getFloatProperty(propertyNode, "max", (double)def) + ); + + return retval; +} + + +std::list +ParticleEmitter::createParticles() +{ + std::list newParticles; + ResourceManager *resman = ResourceManager::getInstance(); + + for (int i = mOutput.value(); i > 0; i--) + { + //limit maximum particles + if (Particle::particleCount > Particle::maxCount) break; + + Particle *newParticle; + if (mParticleImage != "") + { + newParticle = new ImageParticle(mMap, + resman->getImage(mParticleImage)); + } + else if (mParticleAnimation.getLength() > 0) + { + Animation *newAnimation = new Animation(mParticleAnimation); + newParticle = new AnimationParticle(mMap, newAnimation); + } + else + { + newParticle = new Particle(mMap); + } + + + newParticle->setPosition( + mParticlePosX.value(), + mParticlePosY.value(), + mParticlePosZ.value() + ); + + float angleH = mParticleAngleHorizontal.value(); + float angleV = mParticleAngleVertical.value(); + float power = mParticlePower.value(); + newParticle->setVector( + cos(angleH) * cos(angleV) * power, + sin(angleH) * cos(angleV) * SIN45 * power, + sin(angleV) * SIN45 * power + ); + + newParticle->setRandomnes(mParticleRandomnes.value()); + newParticle->setGravity(mParticleGravity.value()); + newParticle->setBounce(mParticleBounce.value()); + + newParticle->setDestination(mParticleTarget, + mParticleAcceleration.value(), + mParticleMomentum.value() + ); + newParticle->setDieDistance(mParticleDieDistance.value()); + + newParticle->setLifetime(mParticleLifetime.value()); + newParticle->setFadeOut(mParticleFadeOut.value()); + newParticle->setFadeIn(mParticleFadeIn.value()); + + for ( std::list::iterator i = mParticleChildEmitters.begin(); + i != mParticleChildEmitters.end(); + i++ + ) + { + newParticle->addEmitter(new ParticleEmitter(*i)); + } + + newParticles.push_back(newParticle); + } + + return newParticles; +} diff --git a/src/particleemitter.h b/src/particleemitter.h new file mode 100644 index 00000000..dcc7069b --- /dev/null +++ b/src/particleemitter.h @@ -0,0 +1,108 @@ +/* + * 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 + * + */ + +#ifndef _PARTICLEEMITTER_H +#define _PARTICLEEMITTER_H + +#include + +#include "utils/xml.h" +#include "utils/minmax.h" + +#include "resources/animation.h" + +class Map; +class Particle; + +/** + * Every Particle can have one or more particle emitters that create new + * particles when they are updated + */ +class ParticleEmitter +{ + public: + + ParticleEmitter(xmlNodePtr emitterNode, Particle *target, Map *map); + + /** + * Spawns new particles + * @return: a list of created particles + */ + std::list createParticles(); + + /** + * Sets the target of the particles that are created + */ + void + setTarget(Particle *target) + { mParticleTarget = target; }; + + private: + template MinMax readMinMax(xmlNodePtr propertyNode, T def); + + /** + * initial position of particles: + */ + MinMax mParticlePosX, mParticlePosY, mParticlePosZ; + + /** + * initial vector of particles: + */ + MinMax mParticleAngleHorizontal, mParticleAngleVertical; + + /** + * Initial velocity of particles + */ + MinMax mParticlePower; + + /** + * vector changing of particles: + */ + MinMax mParticleGravity; + MinMax mParticleRandomnes; + MinMax mParticleBounce; + + /** + * Properties of targeting particles: + */ + Particle *mParticleTarget; + MinMax mParticleAcceleration; + MinMax mParticleDieDistance; + MinMax mParticleMomentum; + + /** + * Behavior over time of the particles: + */ + MinMax mParticleLifetime; + MinMax mParticleFadeOut; + MinMax mParticleFadeIn; + + Map *mMap; /**< Map the particles are supposed to spawn on */ + + MinMax mOutput; /**< Number of particles spawned per update */ + + std::string mParticleImage; /**< Filename of particle image */ + Animation mParticleAnimation; /**< Filename of particle animation file */ + + std::list mParticleChildEmitters; /** List of emitters the spawned particles are equipped with */ +}; +#endif diff --git a/src/resources/mapreader.cpp b/src/resources/mapreader.cpp index fda8916d..2230cb6a 100644 --- a/src/resources/mapreader.cpp +++ b/src/resources/mapreader.cpp @@ -231,6 +231,30 @@ MapReader::readMap(xmlNodePtr node, const std::string &path) { readProperties(childNode, map); } + else if (xmlStrEqual(childNode->name, BAD_CAST "objectgroup")) + { + for_each_xml_child_node(objectNode, childNode) + { + if (xmlStrEqual(objectNode->name, BAD_CAST "object")) + { + std::string objName = XML::getProperty(objectNode, "name", ""); + std::string objType = XML::getProperty(objectNode, "type", ""); + int objX = XML::getProperty(objectNode, "x", 0); + int objY = XML::getProperty(objectNode, "y", 0); + + logger->log("- Loading object name: %s type: %s at %d:%d", + objName.c_str(), objType.c_str(), objX, objY); + if (objType == "PARTICLE_EFFECT") + { + map->addParticleEffect(objName, objX, objY); + } + else + { + logger->log(" Warning: Unknown object type"); + } + } + } + } } map->initializeOverlays(); diff --git a/src/simpleanimation.cpp b/src/simpleanimation.cpp index 5fc35bcd..f52fd172 100644 --- a/src/simpleanimation.cpp +++ b/src/simpleanimation.cpp @@ -23,10 +23,95 @@ #include "simpleanimation.h" +#include "graphics.h" +#include "log.h" + +#include "resources/image.h" +#include "resources/resourcemanager.h" +#include "resources/imageset.h" + + +SimpleAnimation::SimpleAnimation(xmlNodePtr animationNode): + mAnimationTime(0), + mAnimationPhase(0) +{ + mAnimation = new Animation(); + + ImageSet *imageset = ResourceManager::getInstance()->getImageSet( + XML::getProperty(animationNode, "imageset", ""), + XML::getProperty(animationNode, "width", 0), + XML::getProperty(animationNode, "height", 0) + ); + + // Get animation frames + for ( xmlNodePtr frameNode = animationNode->xmlChildrenNode; + frameNode != NULL; + frameNode = frameNode->next) + { + int delay = XML::getProperty(frameNode, "delay", 0); + int offsetX = XML::getProperty(frameNode, "offsetX", 0); + int offsetY = XML::getProperty(frameNode, "offsetY", 0); + offsetY -= imageset->getHeight() - 32; + offsetX -= imageset->getWidth() / 2 - 16; + + if (xmlStrEqual(frameNode->name, BAD_CAST "frame")) + { + int index = XML::getProperty(frameNode, "index", -1); + + if (index < 0) + { + logger->log("No valid value for 'index'"); + continue; + } + + Image *img = imageset->get(index); + + if (!img) + { + logger->log("No image at index " + (index)); + continue; + } + + mAnimation->addFrame(img, delay, offsetX, offsetY); + } + else if (xmlStrEqual(frameNode->name, BAD_CAST "sequence")) + { + int start = XML::getProperty(frameNode, "start", -1); + int end = XML::getProperty(frameNode, "end", -1); + + if (start < 0 || end < 0) + { + logger->log("No valid value for 'start' or 'end'"); + continue; + } + + while (end >= start) + { + Image *img = imageset->get(start); + + if (!img) + { + logger->log("No image at index " + + (start)); + continue; + } + + mAnimation->addFrame(img, delay, offsetX, offsetY); + start++; + } + } + else if (xmlStrEqual(frameNode->name, BAD_CAST "end")) + { + mAnimation->addTerminator(); + } + } + + mCurrentFrame = mAnimation->getFrame(0); +} void SimpleAnimation::update(unsigned int timePassed) { - mAnimationTime += timePassed; + mAnimationTime+=timePassed; while (mAnimationTime > mCurrentFrame->delay) { mAnimationTime -= mCurrentFrame->delay; diff --git a/src/simpleanimation.h b/src/simpleanimation.h index a56c31da..14793c2f 100644 --- a/src/simpleanimation.h +++ b/src/simpleanimation.h @@ -26,7 +26,10 @@ #include "resources/animation.h" +#include "utils/xml.h" + class Frame; +class Graphics; /** * This class is a leightweight alternative to the AnimatedSprite class. @@ -35,6 +38,10 @@ class Frame; class SimpleAnimation { public: + + /** + * Creates a simple animation with an already created animation + */ SimpleAnimation(Animation *animation): mAnimation(animation), mAnimationTime(0), @@ -42,6 +49,11 @@ class SimpleAnimation mCurrentFrame(mAnimation->getFrame(0)) {}; + /** + * Creates a simple animation that creates its animation from XML Data + */ + SimpleAnimation(xmlNodePtr animationNode); + ~SimpleAnimation(); void update(unsigned int timePassed); @@ -49,17 +61,10 @@ class SimpleAnimation Image *getCurrentImage() const; private: - /** The hosted animation. */ - Animation *mAnimation; - - /** Time in game ticks the current frame is shown. */ - unsigned int mAnimationTime; - - /** Index of current animation frame. */ - unsigned int mAnimationPhase; - - /** Current animation frame. */ - Frame *mCurrentFrame; + Animation *mAnimation; /**< The hosted animation */ + unsigned int mAnimationTime; /**< Time in game ticks the current frame is shown*/ + unsigned int mAnimationPhase; /**< Index of current animation phase*/ + Frame *mCurrentFrame; /**< Current animation phase */ }; #endif diff --git a/src/utils/fastsqrt.h b/src/utils/fastsqrt.h new file mode 100644 index 00000000..8ba6f8ce --- /dev/null +++ b/src/utils/fastsqrt.h @@ -0,0 +1,23 @@ +/* A very fast function to calculate the approximate inverse square root of a + * floating point value and a helper function that uses it for getting the + * normal squareroot. For an explanation of the inverse squareroot function + * read: + * http://www.math.purdue.edu/~clomont/Math/Papers/2003/InvSqrt.pdf + * + * Unfortunately the original creator of this function seems to be unknown. + */ + +float fastInvSqrt(float x) +{ + float xhalf = 0.5f*x; + int i = *(int*)&x; + i = 0x5f375a86- (i>>1); + x = *(float*)&i; + x = x*(1.5f-xhalf*x*x); + return x; +} + +float fastSqrt(float x) +{ + return 1.0f/fastInvSqrt(x); +} diff --git a/src/utils/minmax.h b/src/utils/minmax.h new file mode 100644 index 00000000..1add2b7e --- /dev/null +++ b/src/utils/minmax.h @@ -0,0 +1,47 @@ +/* + * 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 + * + */ + +/** + * Returns a random numeric value that is larger than or equal min and smaller + * than max + */ + +template struct MinMax +{ + void set(T min, T max) + { + minVal=min; maxVal=max; + } + + void set(T val) + { + set(val, val); + } + + T value() + { + return (T)(minVal + (maxVal - minVal) * (rand() / ((double) RAND_MAX + 1))); + } + + T minVal; + T maxVal; +}; diff --git a/src/utils/wingettimeofday.h b/src/utils/wingettimeofday.h index a5537f39..28afb7e5 100644 --- a/src/utils/wingettimeofday.h +++ b/src/utils/wingettimeofday.h @@ -1,113 +1,113 @@ -/* - * The Mana World - * Copyright 2004 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 - * - * $Id$ - */ - -#ifndef _TMW_WINGETTIMEOFDAY_H_ -#define _TMW_WINGETTIMEOFDAY_H_ - -#ifdef WIN32 - -#include - -/* - * the function gettimeofday() is available on UNIX but not on windows. - * this header defines a windows implementation as a - * GetSystemTimeAsFileTime() wrapper. - */ - -int gettimeofday(struct timeval* tv, void *tz) -/*--------------------------------------------------------------- - * Copyright (c) 1999,2000,2001,2002,2003 - * The Board of Trustees of the University of Illinois - * All Rights Reserved. - *--------------------------------------------------------------- - * Permission is hereby granted, free of charge, to any person - * obtaining a copy of this software (Iperf) and associated - * documentation files (the "Software"), to deal in the Software - * without restriction, including without limitation the - * rights to use, copy, modify, merge, publish, distribute, - * sublicense, and/or sell copies of the Software, and to permit - * persons to whom the Software is furnished to do - * so, subject to the following conditions: - * - * - * Redistributions of source code must retain the above - * copyright notice, this list of conditions and - * the following disclaimers. - * - * - * Redistributions in binary form must reproduce the above - * copyright notice, this list of conditions and the following - * disclaimers in the documentation and/or other materials - * provided with the distribution. - * - * - * Neither the names of the University of Illinois, NCSA, - * nor the names of its contributors may be used to endorse - * or promote products derived from this Software without - * specific prior written permission. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES - * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND - * NONINFRINGEMENT. IN NO EVENT SHALL THE CONTIBUTORS OR COPYRIGHT - * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, - * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE - * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - * ________________________________________________________________ - * National Laboratory for Applied Network Research - * National Center for Supercomputing Applications - * University of Illinois at Urbana-Champaign - * http://www.ncsa.uiuc.edu - * ________________________________________________________________ - * - * gettimeofday.c - * by Mark Gates - * ------------------------------------------------------------------- - * A (hack) implementation of gettimeofday for Windows. - * Since I send sec/usec in UDP packets, this made the most sense. - * ------------------------------------------------------------------- */ -{ - FILETIME time; - double timed; - - GetSystemTimeAsFileTime( &time ); - - // Apparently Win32 has units of 1e-7 sec (tenths of microsecs) - // 4294967296 is 2^32, to shift high word over - // 11644473600 is the number of seconds between - // the Win32 epoch 1601-Jan-01 and the Unix epoch 1970-Jan-01 - // Tests found floating point to be 10x faster than 64bit int math. - - timed = ((time.dwHighDateTime * 4294967296e-7) - 11644473600.0) + - (time.dwLowDateTime * 1e-7); - - tv->tv_sec = (long) timed; - tv->tv_usec = (long) ((timed - tv->tv_sec) * 1e6); - - return 0; -} - - -#endif // WIN32 -#endif +/* + * The Mana World + * Copyright 2004 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 + * + * $Id$ + */ + +#ifndef _TMW_WINGETTIMEOFDAY_H_ +#define _TMW_WINGETTIMEOFDAY_H_ + +#ifdef WIN32 + +#include + +/* + * the function gettimeofday() is available on UNIX but not on windows. + * this header defines a windows implementation as a + * GetSystemTimeAsFileTime() wrapper. + */ + +int gettimeofday(struct timeval* tv, void *tz) +/*--------------------------------------------------------------- + * Copyright (c) 1999,2000,2001,2002,2003 + * The Board of Trustees of the University of Illinois + * All Rights Reserved. + *--------------------------------------------------------------- + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software (Iperf) and associated + * documentation files (the "Software"), to deal in the Software + * without restriction, including without limitation the + * rights to use, copy, modify, merge, publish, distribute, + * sublicense, and/or sell copies of the Software, and to permit + * persons to whom the Software is furnished to do + * so, subject to the following conditions: + * + * + * Redistributions of source code must retain the above + * copyright notice, this list of conditions and + * the following disclaimers. + * + * + * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimers in the documentation and/or other materials + * provided with the distribution. + * + * + * Neither the names of the University of Illinois, NCSA, + * nor the names of its contributors may be used to endorse + * or promote products derived from this Software without + * specific prior written permission. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE CONTIBUTORS OR COPYRIGHT + * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, + * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * ________________________________________________________________ + * National Laboratory for Applied Network Research + * National Center for Supercomputing Applications + * University of Illinois at Urbana-Champaign + * http://www.ncsa.uiuc.edu + * ________________________________________________________________ + * + * gettimeofday.c + * by Mark Gates + * ------------------------------------------------------------------- + * A (hack) implementation of gettimeofday for Windows. + * Since I send sec/usec in UDP packets, this made the most sense. + * ------------------------------------------------------------------- */ +{ + FILETIME time; + double timed; + + GetSystemTimeAsFileTime( &time ); + + // Apparently Win32 has units of 1e-7 sec (tenths of microsecs) + // 4294967296 is 2^32, to shift high word over + // 11644473600 is the number of seconds between + // the Win32 epoch 1601-Jan-01 and the Unix epoch 1970-Jan-01 + // Tests found floating point to be 10x faster than 64bit int math. + + timed = ((time.dwHighDateTime * 4294967296e-7) - 11644473600.0) + + (time.dwLowDateTime * 1e-7); + + tv->tv_sec = (long) timed; + tv->tv_usec = (long) ((timed - tv->tv_sec) * 1e6); + + return 0; +} + + +#endif // WIN32 +#endif diff --git a/src/utils/xml.cpp b/src/utils/xml.cpp index 7c917dc0..e30450f0 100644 --- a/src/utils/xml.cpp +++ b/src/utils/xml.cpp @@ -39,6 +39,20 @@ namespace XML return ret; } + double + getFloatProperty(xmlNodePtr node, const char* name, double def) + { + double &ret = def; + + xmlChar *prop = xmlGetProp(node, BAD_CAST name); + if (prop) { + ret = atof((char*)prop); + xmlFree(prop); + } + + return ret; + } + std::string getProperty(xmlNodePtr node, const char *name, const std::string &def) { @@ -51,4 +65,13 @@ namespace XML return def; } + + xmlNodePtr findFirstChildByName(xmlNodePtr parent, const char *name) + { + for_each_xml_child_node(child, parent) + if (xmlStrEqual(child->name, BAD_CAST name)) + return child; + + return NULL; + } } diff --git a/src/utils/xml.h b/src/utils/xml.h index db4c264a..ef3bad3d 100644 --- a/src/utils/xml.h +++ b/src/utils/xml.h @@ -39,11 +39,22 @@ namespace XML int getProperty(xmlNodePtr node, const char *name, int def); + /** + * Gets an floating point property from an xmlNodePtr. + */ + double + getFloatProperty(xmlNodePtr node, const char *name, double def); + /** * Gets a string property from an xmlNodePtr. */ std::string getProperty(xmlNodePtr node, const char *name, const std::string &def); + + /** + * Finds the first child node with the given name + */ + xmlNodePtr findFirstChildByName(xmlNodePtr parent, const char *name); } #define for_each_xml_child_node(var, parent) \ -- cgit v1.2.3-70-g09d2