/* * The ManaPlus Client * Copyright (C) 2004-2009 The Mana World Development Team * Copyright (C) 2009-2010 The Mana Developers * Copyright (C) 2011 The ManaPlus Developers * * This file is part of The ManaPlus Client. * * This program 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. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ #include "animatedsprite.h" #include "graphics.h" #include "log.h" #include "resources/action.h" #include "resources/animation.h" #include "resources/image.h" #include "resources/resourcemanager.h" #include "utils/xml.h" #include <cassert> #include "debug.h" AnimatedSprite::AnimatedSprite(SpriteDef *sprite): mDirection(DIRECTION_DOWN), mLastTime(0), mFrameIndex(0), mFrameTime(0), mSprite(sprite), mAction(0), mAnimation(0), mFrame(0) { // assert(mSprite); mAlpha = 1.0f; // Take possession of the sprite if (mSprite) mSprite->incRef(); // Play the stand animation by default play(SpriteAction::STAND); } AnimatedSprite *AnimatedSprite::load(const std::string &filename, int variant) { ResourceManager *resman = ResourceManager::getInstance(); SpriteDef *s = resman->getSprite(filename, variant); if (!s) return 0; AnimatedSprite *as = new AnimatedSprite(s); s->decRef(); return as; } AnimatedSprite::~AnimatedSprite() { if (mSprite) { mSprite->decRef(); mSprite = 0; } } bool AnimatedSprite::reset() { bool ret = mFrameIndex !=0 || mFrameTime != 0 || mLastTime != 0; mFrameIndex = 0; mFrameTime = 0; mLastTime = 0; return ret; } bool AnimatedSprite::play(std::string spriteAction) { if (!mSprite) return false; Action *action = mSprite->getAction(spriteAction); if (!action) return false; mAction = action; Animation *animation = mAction->getAnimation(mDirection); if (animation && animation != mAnimation && animation->getLength() > 0) { mAnimation = animation; mFrame = mAnimation->getFrame(0); reset(); return true; } return false; } bool AnimatedSprite::update(int time) { // Avoid freaking out at first frame or when tick_time overflows if (time < mLastTime || mLastTime == 0) mLastTime = time; // If not enough time has passed yet, do nothing if (time <= mLastTime || !mAnimation) return false; unsigned int dt = time - mLastTime; mLastTime = time; Animation *animation = mAnimation; Frame *frame = mFrame; if (!updateCurrentAnimation(dt)) { // Animation finished, reset to default play(SpriteAction::STAND); } // Make sure something actually changed return animation != mAnimation || frame != mFrame; } bool AnimatedSprite::updateCurrentAnimation(unsigned int time) { if (!mFrame || !mAnimation || Animation::isTerminator(*mFrame)) return false; mFrameTime += time; while ((mFrameTime > static_cast<unsigned>(mFrame->delay) && mFrame->delay > 0) || mFrame->type != Frame::ANIMATION) { bool fail(true); mFrameTime -= static_cast<unsigned>(mFrame->delay); mFrameIndex++; if (mFrameIndex >= mAnimation->getLength()) mFrameIndex = 0; mFrame = mAnimation->getFrame(mFrameIndex); if (mFrame->type == Frame::LABEL && !mFrame->nextAction.empty()) { fail = true; } else if (mFrame->type == Frame::GOTO && !mFrame->nextAction.empty()) { if (mFrame->rand == 100 || rand() % 100 <= mFrame->rand) { for (unsigned i = 0; i < mAnimation->getLength(); i ++) { Frame *frame = mAnimation->getFrame(i); if (frame->type == Frame::LABEL && mFrame->nextAction == frame->nextAction) { mFrameTime = 0; mFrameIndex = i; if (mFrameIndex >= mAnimation->getLength()) mFrameIndex = 0; mFrame = mAnimation->getFrame(mFrameIndex); fail = true; break; } } } } else if (mFrame->type == Frame::JUMP && !mFrame->nextAction.empty()) { if (mFrame->rand == 100 || rand() % 100 <= mFrame->rand) { play(mFrame->nextAction); return true; } } else if (Animation::isTerminator(*mFrame)) { if (mFrame->rand == 100 || rand() % 100 <= mFrame->rand) { mAnimation = 0; mFrame = 0; return false; } } else { if (mFrame->rand == 100 || mFrameIndex >= mAnimation->getLength()) { fail = false; } else { if (rand() % 100 <= mFrame->rand) fail = false; } } if (fail) mFrameTime = mFrame->delay + 1; } return true; } bool AnimatedSprite::draw(Graphics *graphics, int posX, int posY) const { if (!mFrame || !mFrame->image) return false; if (mFrame->image->getAlpha() != mAlpha) mFrame->image->setAlpha(mAlpha); return graphics->drawImage(mFrame->image, posX + mFrame->offsetX, posY + mFrame->offsetY); } bool AnimatedSprite::setSpriteDirection(SpriteDirection direction) { if (mDirection != direction) { mDirection = direction; if (!mAction) return false; Animation *animation = mAction->getAnimation(mDirection); if (animation && animation != mAnimation && animation->getLength() > 0) { mAnimation = animation; mFrame = mAnimation->getFrame(0); reset(); } return true; } return false; } unsigned int AnimatedSprite::getCurrentFrame() const { return mFrameIndex; } unsigned int AnimatedSprite::getFrameCount() const { if (mAnimation) return mAnimation->getLength(); else return 0; } int AnimatedSprite::getWidth() const { if (mFrame && mFrame->image) return mFrame->image->mBounds.w; else return 0; } int AnimatedSprite::getHeight() const { if (mFrame && mFrame->image) return mFrame->image->mBounds.h; else return 0; } std::string AnimatedSprite::getIdPath() { if (!mSprite) return ""; return mSprite->getIdPath(); } const Image* AnimatedSprite::getImage() const { return mFrame ? mFrame->image : 0; } void AnimatedSprite::setAlpha(float alpha) { mAlpha = alpha; if (mFrame && mFrame->image && mFrame->image->getAlpha() != mAlpha) mFrame->image->setAlpha(mAlpha); }