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authorAndrei Karas <akaras@inbox.ru>2015-12-21 00:24:52 +0300
committerAndrei Karas <akaras@inbox.ru>2015-12-21 00:24:52 +0300
commitee604eb07a7acededf351c3ac194e437223c2015 (patch)
treeed6ba14746da69e559f42e4d32733897d9d21aed /src/resources/atlas/atlasmanager.cpp
parente576b8a204e2c8be2733acd121d036ab14a70646 (diff)
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Move atlas related files inpt atlas directory.
Diffstat (limited to 'src/resources/atlas/atlasmanager.cpp')
-rw-r--r--src/resources/atlas/atlasmanager.cpp379
1 files changed, 379 insertions, 0 deletions
diff --git a/src/resources/atlas/atlasmanager.cpp b/src/resources/atlas/atlasmanager.cpp
new file mode 100644
index 000000000..a81a6c10d
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+++ b/src/resources/atlas/atlasmanager.cpp
@@ -0,0 +1,379 @@
+/*
+ * The ManaPlus Client
+ * Copyright (C) 2012-2015 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/>.
+ */
+
+#ifdef USE_OPENGL
+
+#include "resources/atlas/atlasmanager.h"
+
+#include "settings.h"
+
+#ifdef DEBUG_IMAGES
+#include "logger.h"
+#endif
+
+#include "utils/mathutils.h"
+#include "utils/physfscheckutils.h"
+#include "utils/physfsrwops.h"
+#include "utils/sdlcheckutils.h"
+
+#include "resources/dye.h"
+#include "resources/imagehelper.h"
+#include "resources/openglimagehelper.h"
+#include "resources/resourcemanager.h"
+#include "resources/sdlimagehelper.h"
+
+#include "resources/atlas/atlasitem.h"
+#include "resources/atlas/atlasresource.h"
+#include "resources/atlas/textureatlas.h"
+
+#include "debug.h"
+
+AtlasManager::AtlasManager()
+{
+}
+
+AtlasResource *AtlasManager::loadTextureAtlas(const std::string &name,
+ const StringVect &files)
+{
+ BLOCK_START("AtlasManager::loadTextureAtlas")
+ std::vector<TextureAtlas*> atlases;
+ std::vector<Image*> images;
+ AtlasResource *resource = new AtlasResource;
+
+ loadImages(files, images);
+ int maxSize = OpenGLImageHelper::getTextureSize();
+#if !defined(ANDROID) && !defined(__APPLE__)
+ int sz = settings.textureSize;
+ if (maxSize > sz)
+ maxSize = sz;
+#endif
+
+ // sorting images on atlases.
+ simpleSort(name, atlases, images, maxSize);
+
+ FOR_EACH (std::vector<TextureAtlas*>::iterator, it, atlases)
+ {
+ TextureAtlas *const atlas = *it;
+ if (!atlas)
+ continue;
+
+ // create atlas base on sorted images
+ SDL_Surface *const surface = createSDLAtlas(atlas);
+
+ if (!surface)
+ continue;
+
+ // debug save
+// ImageWriter::writePNG(surface, settings.tempDir
+// + "/atlas" + name + toString(k) + ".png");
+// k ++;
+
+ // convert SDL images to OpenGL
+ convertAtlas(atlas);
+
+ // free SDL atlas surface
+ MSDL_FreeSurface(surface);
+
+ resource->atlases.push_back(atlas);
+ }
+
+ BLOCK_END("AtlasManager::loadTextureAtlas")
+ return resource;
+}
+
+void AtlasManager::loadImages(const StringVect &files,
+ std::vector<Image*> &images)
+{
+ BLOCK_START("AtlasManager::loadImages")
+
+ FOR_EACH (StringVectCIter, it, files)
+ {
+ const std::string str = *it;
+ // check is image with same name already in cache
+ // and if yes, move it to deleted set
+ Resource *const res = resourceManager->getTempResource(str);
+ if (res)
+ {
+ // increase counter because in moveToDeleted it will be decreased.
+ res->incRef();
+ resourceManager->moveToDeleted(res);
+ }
+
+ std::string path = str;
+ const size_t p = path.find('|');
+ Dye *d = nullptr;
+ if (p != std::string::npos)
+ {
+ d = new Dye(path.substr(p + 1));
+ path = path.substr(0, p);
+ }
+
+ SDL_RWops *const rw = MPHYSFSRWOPS_openRead(path.c_str());
+ if (rw)
+ {
+ Image *const image = d ? surfaceImageHelper->load(rw, *d)
+ : surfaceImageHelper->load(rw);
+
+ if (image)
+ {
+ image->mIdPath = str;
+#ifdef DEBUG_IMAGES
+ logger->log("set name %p, %s", static_cast<void*>(image),
+ image->mIdPath.c_str());
+#endif
+ images.push_back(image);
+ }
+ }
+ delete d;
+ }
+ BLOCK_END("AtlasManager::loadImages")
+}
+
+void AtlasManager::simpleSort(const std::string &restrict name,
+ std::vector<TextureAtlas*> &restrict atlases,
+ const std::vector<Image*> &restrict images,
+ int size)
+{
+ BLOCK_START("AtlasManager::simpleSort")
+ int x = 0;
+ int y = 0;
+ int tempHeight = 0;
+ TextureAtlas *atlas = new TextureAtlas();
+ std::vector<Image*>::const_iterator it = images.begin();
+ const std::vector<Image*>::const_iterator it_end = images.end();
+ for (it = images.begin(); it != it_end; ++ it)
+ {
+ const Image *const img = *it;
+ if (img)
+ {
+ atlas->name = std::string("atlas_").append(name).append(
+ "_").append(img->getIdPath());
+ break;
+ }
+ }
+
+ for (it = images.begin(); it != it_end; ++ it)
+ {
+ Image *const img = *it;
+ if (img)
+ {
+ AtlasItem *const item = new AtlasItem(img);
+ item->name = img->getIdPath();
+ // start next line
+ if (x + img->mBounds.w > size)
+ {
+ x = 0;
+ y += tempHeight;
+ tempHeight = 0;
+ }
+
+ // can't put image with this height
+ if (y + img->mBounds.h > size)
+ {
+ x = 0;
+ y = 0;
+ atlases.push_back(atlas);
+ atlas = new TextureAtlas();
+ atlas->name = std::string("atlas_").append(name).append(
+ "_").append(img->getIdPath());
+ }
+
+ if (img->mBounds.h > tempHeight)
+ tempHeight = img->mBounds.h;
+
+ item->x = x;
+ item->y = y;
+ atlas->items.push_back(item);
+
+ // continue put textures in line
+ x += img->mBounds.w;
+ if (x > atlas->width)
+ atlas->width = x;
+ if (y + img->mBounds.h > atlas->height)
+ atlas->height = y + img->mBounds.h;
+ }
+ }
+ if (!atlas->items.empty())
+ atlases.push_back(atlas);
+ else
+ delete atlas;
+ BLOCK_END("AtlasManager::simpleSort")
+}
+
+SDL_Surface *AtlasManager::createSDLAtlas(TextureAtlas *const atlas)
+{
+ BLOCK_START("AtlasManager::createSDLAtlas")
+#if SDL_BYTEORDER == SDL_BIG_ENDIAN
+ const unsigned int rmask = 0xff000000;
+ const unsigned int gmask = 0x00ff0000;
+ const unsigned int bmask = 0x0000ff00;
+ const unsigned int amask = 0x000000ff;
+#else
+ const unsigned int rmask = 0x000000ff;
+ const unsigned int gmask = 0x0000ff00;
+ const unsigned int bmask = 0x00ff0000;
+ const unsigned int amask = 0xff000000;
+#endif
+
+ // do not create atlas based on only one image
+ if (atlas->items.size() == 1)
+ {
+ BLOCK_END("AtlasManager::createSDLAtlas")
+ return nullptr;
+ }
+
+ // using only power of two sizes.
+ atlas->width = powerOfTwo(atlas->width);
+ atlas->height = powerOfTwo(atlas->height);
+
+ const int width = atlas->width;
+ const int height = atlas->height;
+ BLOCK_START("AtlasManager::createSDLAtlas create surface")
+ // temp SDL surface for atlas
+ SDL_Surface *const surface = MSDL_CreateRGBSurface(SDL_SWSURFACE,
+ width, height, 32U, rmask, gmask, bmask, amask);
+ if (!surface)
+ {
+ BLOCK_END("AtlasManager::createSDLAtlas")
+ return nullptr;
+ }
+ BLOCK_END("AtlasManager::createSDLAtlas create surface")
+
+ Image *image = imageHelper->load(surface);
+
+ // drawing SDL images to surface
+ FOR_EACH (std::vector<AtlasItem*>::iterator, it, atlas->items)
+ {
+ AtlasItem *const item = *it;
+ if (image)
+ {
+ imageHelper->copySurfaceToImage(image, item->x, item->y,
+ item->image->mSDLSurface);
+ }
+ }
+ atlas->atlasImage = image;
+ BLOCK_END("AtlasManager::createSDLAtlas")
+ return surface;
+}
+
+void AtlasManager::convertAtlas(TextureAtlas *const atlas)
+{
+ // no check for null pointer in atlas because it was in caller
+ // convert surface to OpemGL image
+ Image *const oldImage = atlas->atlasImage;
+
+ if (oldImage->mSDLSurface)
+ {
+ atlas->atlasImage = imageHelper->load(atlas->atlasImage->mSDLSurface);
+ oldImage->decRef();
+ }
+
+ Image *const image = atlas->atlasImage;
+ if (!image)
+ return;
+
+ image->mIdPath = atlas->name;
+#ifdef DEBUG_IMAGES
+ logger->log("set name %p, %s", static_cast<void*>(image),
+ image->mIdPath.c_str());
+#endif
+ image->incRef();
+
+ FOR_EACH (std::vector<AtlasItem*>::iterator, it, atlas->items)
+ {
+ AtlasItem *const item = *it;
+ // delete SDL Image
+ delete item->image;
+ // store OpenGL image
+ item->image = image->getSubImage(item->x, item->y,
+ item->width, item->height);
+ Image *const image2 = item->image;
+ if (image2)
+ {
+ image2->mIdPath = item->name;
+#ifdef DEBUG_IMAGES
+ logger->log("set name %p, %s", static_cast<void*>(image2),
+ image2->mIdPath.c_str());
+#endif
+ image2->incRef();
+ }
+ }
+}
+
+void AtlasManager::injectToResources(const AtlasResource *const resource)
+{
+ if (!resource)
+ return;
+ FOR_EACH (std::vector<TextureAtlas*>::const_iterator,
+ it, resource->atlases)
+ {
+ // add each atlas image to resources
+ TextureAtlas *const atlas = *it;
+ if (atlas)
+ {
+ Image *const image = atlas->atlasImage;
+ if (image)
+ resourceManager->addResource(atlas->name, image);
+ FOR_EACH (std::vector<AtlasItem*>::iterator, it2, atlas->items)
+ {
+ AtlasItem *const item = *it2;
+ if (!item)
+ continue;
+ // add each atlas sub image to resources
+ resourceManager->addResource(item->name, item->image);
+ }
+ }
+ }
+}
+
+void AtlasManager::moveToDeleted(AtlasResource *const resource)
+{
+ if (!resource)
+ return;
+ FOR_EACH (std::vector<TextureAtlas*>::iterator, it, resource->atlases)
+ {
+ // move each atlas image to deleted
+ TextureAtlas *const atlas = *it;
+ if (atlas)
+ {
+ Image *const image = atlas->atlasImage;
+ if (image)
+ {
+ // move each atlas image to deleted
+ resourceManager->moveToDeleted(image);
+ }
+ FOR_EACH (std::vector<AtlasItem*>::iterator, it2, atlas->items)
+ {
+ AtlasItem *const item = *it2;
+ if (item)
+ {
+ Image *const image2 = item->image;
+ if (image2)
+ {
+ // move each atlas sub image to deleted
+ resourceManager->moveToDeleted(image2);
+ }
+ }
+ }
+ }
+ }
+}
+
+#endif