diff options
Diffstat (limited to 'src/resources')
| -rw-r--r-- | src/resources/ambientlayer.cpp | 103 | ||||
| -rw-r--r-- | src/resources/ambientlayer.h | 60 | ||||
| -rw-r--r-- | src/resources/mapreader.cpp | 2 |
3 files changed, 164 insertions, 1 deletions
diff --git a/src/resources/ambientlayer.cpp b/src/resources/ambientlayer.cpp new file mode 100644 index 00000000..92895bc2 --- /dev/null +++ b/src/resources/ambientlayer.cpp @@ -0,0 +1,103 @@ +/* + * The Mana World + * Copyright (C) 2004 The Mana World Development Team + * + * This file is part of The Mana World. + * + * 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, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include "resources/ambientlayer.h" + +#include "resources/image.h" +#include "resources/resourcemanager.h" +#include "graphics.h" + +AmbientLayer::AmbientLayer(Image *img, float parallax, + float speedX, float speedY, bool keepRatio): + mImage(img), mParallax(parallax), + mPosX(0), mPosY(0), + mSpeedX(speedX), mSpeedY(speedY), + mKeepRatio(keepRatio) +{ + + if (keepRatio && !mImage->isAnOpenGLOne() + && defaultScreenWidth != 0 + && defaultScreenHeight != 0 + && graphics->getWidth() != defaultScreenWidth + && graphics->getHeight() != defaultScreenHeight) + { + // Rescale the overlay to keep the ratio as if we were on + // the default resolution... + Image *rescaledOverlay = mImage->SDLgetScaledImage( + (int) mImage->getWidth() / defaultScreenWidth * graphics->getWidth(), + (int) mImage->getHeight() / defaultScreenHeight * graphics->getHeight()); + + if (rescaledOverlay) + { + // Replace the resource with the new one... + std::string idPath = mImage->getIdPath() + "_rescaled"; + ResourceManager::getInstance()->addResource(idPath, rescaledOverlay); + mImage = rescaledOverlay; + } + else + mImage->incRef(); + } + else + mImage->incRef(); +} + +AmbientLayer::~AmbientLayer() +{ + mImage->decRef(); +} + +void AmbientLayer::update(int timePassed, float dx, float dy) +{ + // Self scrolling of the overlay + mPosX -= mSpeedX * timePassed / 10; + mPosY -= mSpeedY * timePassed / 10; + + // Parallax scrolling + mPosX += dx * mParallax; + mPosY += dy * mParallax; + + int imgW = mImage->getWidth(); + int imgH = mImage->getHeight(); + + // Wrap values + while (mPosX > imgW) + mPosX -= imgW; + while (mPosX < 0) + mPosX += imgW; + + while (mPosY > imgH) + mPosY -= imgH; + while (mPosY < 0) + mPosY += imgH; +} + +void AmbientLayer::draw(Graphics *graphics, int x, int y) +{ + if (!mImage->isAnOpenGLOne() || !mKeepRatio) + graphics->drawImagePattern(mImage, + (int) -mPosX, (int) -mPosY, x + (int) mPosX, y + (int) mPosY); + else + graphics->drawRescaledImagePattern(mImage, + (int) -mPosX, (int) -mPosY, x + (int) mPosX, y + (int) mPosY, + (int) mImage->getWidth() / defaultScreenWidth * graphics->getWidth(), + (int) mImage->getHeight() / defaultScreenHeight * graphics->getHeight()); + +} diff --git a/src/resources/ambientlayer.h b/src/resources/ambientlayer.h new file mode 100644 index 00000000..43801bdb --- /dev/null +++ b/src/resources/ambientlayer.h @@ -0,0 +1,60 @@ +/* + * The Mana World + * Copyright (C) 2004 The Mana World Development Team + * + * This file is part of The Mana World. + * + * 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, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#ifndef RESOURCES_AMBIENTOVERLAY_H +#define RESOURCES_AMBIENTOVERLAY_H + +class Graphics; +class Image; + +class AmbientLayer +{ + public: + /** + * Constructor. + * + * @param img the image this overlay displays + * @param parallax scroll factor based on camera position + * @param speedX scrolling speed in x-direction + * @param speedY scrolling speed in y-direction + * @param keepRatio rescale the image to keep + * the same ratio than in 800x600 resolution mode. + */ + AmbientLayer(Image *img, float parallax, + float speedX, float speedY, bool keepRatio = false); + + ~AmbientLayer(); + + void update(int timePassed, float dx, float dy); + + void draw(Graphics *graphics, int x, int y); + + private: + Image *mImage; + float mParallax; + float mPosX; /**< Current layer X position. */ + float mPosY; /**< Current layer Y position. */ + float mSpeedX; /**< Scrolling speed in X direction. */ + float mSpeedY; /**< Scrolling speed in Y direction. */ + bool mKeepRatio; /**< Keep overlay ratio on every resolution */ +}; + +#endif diff --git a/src/resources/mapreader.cpp b/src/resources/mapreader.cpp index 1e0eee50..291dd732 100644 --- a/src/resources/mapreader.cpp +++ b/src/resources/mapreader.cpp @@ -280,7 +280,7 @@ Map *MapReader::readMap(xmlNodePtr node, const std::string &path) } } - map->initializeOverlays(); + map->initializeAmbientLayers(); return map; } |