3 Copyright (C) 2010-2011 celeron55, Perttu Ahola <celeron55@gmail.com>
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License along
16 with this program; if not, write to the Free Software Foundation, Inc.,
17 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
22 #include "main.h" // for g_settings
27 A cache from texture name to texture path
29 MutexedMap<std::string, std::string> g_texturename_to_path_cache;
32 Replaces the filename extension.
34 std::string image = "a/image.png"
35 replace_ext(image, "jpg")
36 -> image = "a/image.jpg"
37 Returns true on success.
39 static bool replace_ext(std::string &path, const char *ext)
43 // Find place of last dot, fail if \ or / found.
45 for(s32 i=path.size()-1; i>=0; i--)
53 if(path[i] == '\\' || path[i] == '/')
56 // If not found, return an empty string
59 // Else make the new path
60 path = path.substr(0, last_dot_i+1) + ext;
65 Find out the full path of an image by trying different filename
70 static std::string getImagePath(std::string path)
72 // A NULL-ended list of possible image extensions
73 const char *extensions[] = {
74 "png", "jpg", "bmp", "tga",
75 "pcx", "ppm", "psd", "wal", "rgb",
79 const char **ext = extensions;
81 bool r = replace_ext(path, *ext);
84 if(fs::PathExists(path))
87 while((++ext) != NULL);
93 Gets the path to a texture by first checking if the texture exists
94 in texture_path and if not, using the data path.
96 Checks all supported extensions by replacing the original extension.
98 If not found, returns "".
100 Utilizes a thread-safe cache.
102 std::string getTexturePath(const std::string &filename)
104 std::string fullpath = "";
108 bool incache = g_texturename_to_path_cache.get(filename, &fullpath);
113 Check from texture_path
115 std::string texture_path = g_settings.get("texture_path");
116 if(texture_path != "")
118 std::string testpath = texture_path + '/' + filename;
119 // Check all filename extensions. Returns "" if not found.
120 fullpath = getImagePath(testpath);
124 Check from default data directory
128 std::string testpath = porting::getDataPath(filename.c_str());
129 // Check all filename extensions. Returns "" if not found.
130 fullpath = getImagePath(testpath);
133 // Add to cache (also an empty result is cached)
134 g_texturename_to_path_cache.set(filename, fullpath);
144 TextureSource::TextureSource(IrrlichtDevice *device):
146 m_main_atlas_image(NULL),
147 m_main_atlas_texture(NULL)
151 m_atlaspointer_cache_mutex.Init();
153 m_main_thread = get_current_thread_id();
155 // Add a NULL AtlasPointer as the first index, named ""
156 m_atlaspointer_cache.push_back(SourceAtlasPointer(""));
157 m_name_to_id[""] = 0;
159 // Build main texture atlas
160 if(g_settings.getBool("enable_texture_atlas"))
163 dstream<<"INFO: Not building texture atlas."<<std::endl;
166 TextureSource::~TextureSource()
170 void TextureSource::processQueue()
175 if(m_get_texture_queue.size() > 0)
177 GetRequest<std::string, u32, u8, u8>
178 request = m_get_texture_queue.pop();
180 dstream<<"INFO: TextureSource::processQueue(): "
181 <<"got texture request with "
182 <<"name="<<request.key
185 GetResult<std::string, u32, u8, u8>
187 result.key = request.key;
188 result.callers = request.callers;
189 result.item = getTextureIdDirect(request.key);
191 request.dest->push_back(result);
195 u32 TextureSource::getTextureId(const std::string &name)
197 //dstream<<"INFO: getTextureId(): name="<<name<<std::endl;
201 See if texture already exists
203 JMutexAutoLock lock(m_atlaspointer_cache_mutex);
204 core::map<std::string, u32>::Node *n;
205 n = m_name_to_id.find(name);
208 return n->getValue();
215 if(get_current_thread_id() == m_main_thread)
217 return getTextureIdDirect(name);
221 dstream<<"INFO: getTextureId(): Queued: name="<<name<<std::endl;
223 // We're gonna ask the result to be put into here
224 ResultQueue<std::string, u32, u8, u8> result_queue;
226 // Throw a request in
227 m_get_texture_queue.add(name, 0, 0, &result_queue);
229 dstream<<"INFO: Waiting for texture from main thread, name="
234 // Wait result for a second
235 GetResult<std::string, u32, u8, u8>
236 result = result_queue.pop_front(1000);
238 // Check that at least something worked OK
239 assert(result.key == name);
243 catch(ItemNotFoundException &e)
245 dstream<<"WARNING: Waiting for texture timed out."<<std::endl;
250 dstream<<"WARNING: getTextureId(): Failed"<<std::endl;
255 // Draw a progress bar on the image
256 void make_progressbar(float value, video::IImage *image);
259 Generate image based on a string like "stone.png" or "[crack0".
260 if baseimg is NULL, it is created. Otherwise stuff is made on it.
262 bool generate_image(std::string part_of_name, video::IImage *& baseimg,
263 IrrlichtDevice *device);
266 Generates an image from a full string like
267 "stone.png^mineral_coal.png^[crack0".
269 This is used by buildMainAtlas().
271 video::IImage* generate_image_from_scratch(std::string name,
272 IrrlichtDevice *device);
275 This method generates all the textures
277 u32 TextureSource::getTextureIdDirect(const std::string &name)
279 dstream<<"INFO: getTextureIdDirect(): name="<<name<<std::endl;
281 // Empty name means texture 0
284 dstream<<"INFO: getTextureIdDirect(): name is empty"<<std::endl;
289 Calling only allowed from main thread
291 if(get_current_thread_id() != m_main_thread)
293 dstream<<"ERROR: TextureSource::getTextureIdDirect() "
294 "called not from main thread"<<std::endl;
299 See if texture already exists
302 JMutexAutoLock lock(m_atlaspointer_cache_mutex);
304 core::map<std::string, u32>::Node *n;
305 n = m_name_to_id.find(name);
308 dstream<<"INFO: getTextureIdDirect(): name="<<name
309 <<" found in cache"<<std::endl;
310 return n->getValue();
314 dstream<<"INFO: getTextureIdDirect(): name="<<name
315 <<" NOT found in cache. Creating it."<<std::endl;
321 char separator = '^';
324 This is set to the id of the base image.
325 If left 0, there is no base image and a completely new image
328 u32 base_image_id = 0;
330 // Find last meta separator in name
331 s32 last_separator_position = -1;
332 for(s32 i=name.size()-1; i>=0; i--)
334 if(name[i] == separator)
336 last_separator_position = i;
341 If separator was found, construct the base name and make the
342 base image using a recursive call
344 std::string base_image_name;
345 if(last_separator_position != -1)
347 // Construct base name
348 base_image_name = name.substr(0, last_separator_position);
349 dstream<<"INFO: getTextureIdDirect(): Calling itself recursively"
350 " to get base image, name="<<base_image_name<<std::endl;
351 base_image_id = getTextureIdDirect(base_image_name);
354 dstream<<"base_image_id="<<base_image_id<<std::endl;
356 video::IVideoDriver* driver = m_device->getVideoDriver();
359 video::ITexture *t = NULL;
362 An image will be built from files and then converted into a texture.
364 video::IImage *baseimg = NULL;
366 // If a base image was found, copy it to baseimg
367 if(base_image_id != 0)
369 JMutexAutoLock lock(m_atlaspointer_cache_mutex);
371 SourceAtlasPointer ap = m_atlaspointer_cache[base_image_id];
373 video::IImage *image = ap.atlas_img;
377 dstream<<"WARNING: getTextureIdDirect(): NULL image in "
378 <<"cache: \""<<base_image_name<<"\""
383 core::dimension2d<u32> dim = ap.intsize;
385 baseimg = driver->createImage(video::ECF_A8R8G8B8, dim);
387 core::position2d<s32> pos_to(0,0);
388 core::position2d<s32> pos_from = ap.intpos;
392 v2s32(0,0), // position in target
393 core::rect<s32>(pos_from, dim) // from
396 dstream<<"INFO: getTextureIdDirect(): Loaded \""
397 <<base_image_name<<"\" from image cache"
403 Parse out the last part of the name of the image and act
407 std::string last_part_of_name = name.substr(last_separator_position+1);
408 dstream<<"last_part_of_name="<<last_part_of_name<<std::endl;
410 // Generate image according to part of name
411 if(generate_image(last_part_of_name, baseimg, m_device) == false)
413 dstream<<"INFO: getTextureIdDirect(): "
414 "failed to generate \""<<last_part_of_name<<"\""
418 // If no resulting image, print a warning
421 dstream<<"WARNING: getTextureIdDirect(): baseimg is NULL (attempted to"
422 " create texture \""<<name<<"\""<<std::endl;
427 // Create texture from resulting image
428 t = driver->addTexture(name.c_str(), baseimg);
432 Add texture to caches (add NULL textures too)
435 JMutexAutoLock lock(m_atlaspointer_cache_mutex);
437 u32 id = m_atlaspointer_cache.size();
443 core::dimension2d<u32> baseimg_dim(0,0);
445 baseimg_dim = baseimg->getDimension();
446 SourceAtlasPointer nap(name, ap, baseimg, v2s32(0,0), baseimg_dim);
447 m_atlaspointer_cache.push_back(nap);
448 m_name_to_id.insert(name, id);
450 dstream<<"INFO: getTextureIdDirect(): name="<<name
451 <<": succesfully returning id="<<id<<std::endl;
456 std::string TextureSource::getTextureName(u32 id)
458 JMutexAutoLock lock(m_atlaspointer_cache_mutex);
460 if(id >= m_atlaspointer_cache.size())
462 dstream<<"WARNING: TextureSource::getTextureName(): id="<<id
463 <<" >= m_atlaspointer_cache.size()="
464 <<m_atlaspointer_cache.size()<<std::endl;
468 return m_atlaspointer_cache[id].name;
472 AtlasPointer TextureSource::getTexture(u32 id)
474 JMutexAutoLock lock(m_atlaspointer_cache_mutex);
476 if(id >= m_atlaspointer_cache.size())
477 return AtlasPointer(0, NULL);
479 return m_atlaspointer_cache[id].a;
482 void TextureSource::buildMainAtlas()
484 dstream<<"TextureSource::buildMainAtlas()"<<std::endl;
486 //return; // Disable (for testing)
488 video::IVideoDriver* driver = m_device->getVideoDriver();
491 JMutexAutoLock lock(m_atlaspointer_cache_mutex);
493 // Create an image of the right size
494 core::dimension2d<u32> atlas_dim(1024,1024);
495 video::IImage *atlas_img =
496 driver->createImage(video::ECF_A8R8G8B8, atlas_dim);
500 A list of stuff to add. This should contain as much of the
501 stuff shown in game as possible, to minimize texture changes.
504 core::array<std::string> sourcelist;
506 sourcelist.push_back("stone.png");
507 sourcelist.push_back("mud.png");
508 sourcelist.push_back("sand.png");
509 sourcelist.push_back("grass.png");
510 sourcelist.push_back("grass_footsteps.png");
511 sourcelist.push_back("tree.png");
512 sourcelist.push_back("tree_top.png");
513 sourcelist.push_back("water.png");
514 sourcelist.push_back("leaves.png");
515 sourcelist.push_back("glass.png");
516 sourcelist.push_back("mud.png^grass_side.png");
517 sourcelist.push_back("cobble.png");
519 sourcelist.push_back("stone.png^mineral_coal.png");
520 sourcelist.push_back("stone.png^mineral_iron.png");
521 sourcelist.push_back("mud.png^mineral_coal.png");
522 sourcelist.push_back("mud.png^mineral_iron.png");
523 sourcelist.push_back("sand.png^mineral_coal.png");
524 sourcelist.push_back("sand.png^mineral_iron.png");
526 // Padding to disallow texture bleeding
530 First pass: generate almost everything
532 core::position2d<s32> pos_in_atlas(0,0);
534 pos_in_atlas.Y += padding;
536 for(u32 i=0; i<sourcelist.size(); i++)
538 std::string name = sourcelist[i];
540 /*video::IImage *img = driver->createImageFromFile(
541 getTexturePath(name.c_str()).c_str());
545 core::dimension2d<u32> dim = img->getDimension();
546 // Make a copy with the right color format
547 video::IImage *img2 =
548 driver->createImage(video::ECF_A8R8G8B8, dim);
552 // Generate image by name
553 video::IImage *img2 = generate_image_from_scratch(name, m_device);
556 dstream<<"WARNING: TextureSource::buildMainAtlas(): Couldn't generate texture atlas: Couldn't generate image \""<<name<<"\""<<std::endl;
560 core::dimension2d<u32> dim = img2->getDimension();
562 // Don't add to atlas if image is large
563 core::dimension2d<u32> max_size_in_atlas(32,32);
564 if(dim.Width > max_size_in_atlas.Width
565 || dim.Height > max_size_in_atlas.Height)
567 dstream<<"INFO: TextureSource::buildMainAtlas(): Not adding "
568 <<"\""<<name<<"\" because image is large"<<std::endl;
572 // Stop making atlas if atlas is full
573 if(pos_in_atlas.Y + dim.Height > atlas_dim.Height)
575 dstream<<"WARNING: TextureSource::buildMainAtlas(): "
576 <<"Atlas is full, not adding more textures."
581 // Tile it a few times in the X direction
582 u16 xwise_tiling = 16;
583 for(u32 j=0; j<xwise_tiling; j++)
585 // Copy the copy to the atlas
586 img2->copyToWithAlpha(atlas_img,
587 pos_in_atlas + v2s32(j*dim.Width,0),
588 core::rect<s32>(v2s32(0,0), dim),
589 video::SColor(255,255,255,255),
593 // Copy the borders a few times to disallow texture bleeding
594 for(u32 side=0; side<2; side++) // top and bottom
595 for(s32 y0=0; y0<padding; y0++)
596 for(s32 x0=0; x0<(s32)xwise_tiling*(s32)dim.Width; x0++)
602 dst_y = y0 + pos_in_atlas.Y + dim.Height;
603 src_y = pos_in_atlas.Y + dim.Height - 1;
607 dst_y = -y0 + pos_in_atlas.Y-1;
608 src_y = pos_in_atlas.Y;
610 s32 x = x0 + pos_in_atlas.X * dim.Width;
611 video::SColor c = atlas_img->getPixel(x, src_y);
612 atlas_img->setPixel(x,dst_y,c);
618 Add texture to caches
622 u32 id = m_atlaspointer_cache.size();
624 // Create AtlasPointer
626 ap.atlas = NULL; // Set on the second pass
627 ap.pos = v2f((float)pos_in_atlas.X/(float)atlas_dim.Width,
628 (float)pos_in_atlas.Y/(float)atlas_dim.Height);
629 ap.size = v2f((float)dim.Width/(float)atlas_dim.Width,
630 (float)dim.Width/(float)atlas_dim.Height);
631 ap.tiled = xwise_tiling;
633 // Create SourceAtlasPointer and add to containers
634 SourceAtlasPointer nap(name, ap, atlas_img, pos_in_atlas, dim);
635 m_atlaspointer_cache.push_back(nap);
636 m_name_to_id.insert(name, id);
638 // Increment position
639 pos_in_atlas.Y += dim.Height + padding * 2;
645 video::ITexture *t = driver->addTexture("__main_atlas__", atlas_img);
649 Second pass: set texture pointer in generated AtlasPointers
651 for(u32 i=0; i<sourcelist.size(); i++)
653 std::string name = sourcelist[i];
654 if(m_name_to_id.find(name) == NULL)
656 u32 id = m_name_to_id[name];
657 //dstream<<"id of name "<<name<<" is "<<id<<std::endl;
658 m_atlaspointer_cache[id].a.atlas = t;
662 Write image to file so that it can be inspected
664 /*driver->writeImageToFile(atlas_img,
665 getTexturePath("main_atlas.png").c_str());*/
668 video::IImage* generate_image_from_scratch(std::string name,
669 IrrlichtDevice *device)
671 dstream<<"INFO: generate_image_from_scratch(): "
672 "name="<<name<<std::endl;
674 video::IVideoDriver* driver = device->getVideoDriver();
681 video::IImage *baseimg = NULL;
683 char separator = '^';
685 // Find last meta separator in name
686 s32 last_separator_position = -1;
687 for(s32 i=name.size()-1; i>=0; i--)
689 if(name[i] == separator)
691 last_separator_position = i;
696 /*dstream<<"INFO: generate_image_from_scratch(): "
697 <<"last_separator_position="<<last_separator_position
701 If separator was found, construct the base name and make the
702 base image using a recursive call
704 std::string base_image_name;
705 if(last_separator_position != -1)
707 // Construct base name
708 base_image_name = name.substr(0, last_separator_position);
709 dstream<<"INFO: generate_image_from_scratch(): Calling itself recursively"
710 " to get base image, name="<<base_image_name<<std::endl;
711 baseimg = generate_image_from_scratch(base_image_name, device);
715 Parse out the last part of the name of the image and act
719 std::string last_part_of_name = name.substr(last_separator_position+1);
720 dstream<<"last_part_of_name="<<last_part_of_name<<std::endl;
722 // Generate image according to part of name
723 if(generate_image(last_part_of_name, baseimg, device) == false)
725 dstream<<"INFO: generate_image_from_scratch(): "
726 "failed to generate \""<<last_part_of_name<<"\""
734 bool generate_image(std::string part_of_name, video::IImage *& baseimg,
735 IrrlichtDevice *device)
737 video::IVideoDriver* driver = device->getVideoDriver();
740 // Stuff starting with [ are special commands
741 if(part_of_name[0] != '[')
743 // A normal texture; load it from a file
744 std::string path = getTexturePath(part_of_name.c_str());
745 dstream<<"INFO: getTextureIdDirect(): Loading path \""<<path
748 video::IImage *image = driver->createImageFromFile(path.c_str());
752 dstream<<"WARNING: Could not load image \""<<part_of_name
753 <<"\" from path \""<<path<<"\""
754 <<" while building texture"<<std::endl;
758 dstream<<"WARNING: Creating a dummy"<<" image for \""
759 <<part_of_name<<"\""<<std::endl;
761 // Just create a dummy image
762 //core::dimension2d<u32> dim(2,2);
763 core::dimension2d<u32> dim(1,1);
764 image = driver->createImage(video::ECF_A8R8G8B8, dim);
766 /*image->setPixel(0,0, video::SColor(255,255,0,0));
767 image->setPixel(1,0, video::SColor(255,0,255,0));
768 image->setPixel(0,1, video::SColor(255,0,0,255));
769 image->setPixel(1,1, video::SColor(255,255,0,255));*/
770 image->setPixel(0,0, video::SColor(255,myrand()%256,
771 myrand()%256,myrand()%256));
772 /*image->setPixel(1,0, video::SColor(255,myrand()%256,
773 myrand()%256,myrand()%256));
774 image->setPixel(0,1, video::SColor(255,myrand()%256,
775 myrand()%256,myrand()%256));
776 image->setPixel(1,1, video::SColor(255,myrand()%256,
777 myrand()%256,myrand()%256));*/
780 // If base image is NULL, load as base.
783 dstream<<"INFO: Setting "<<part_of_name<<" as base"<<std::endl;
785 Copy it this way to get an alpha channel.
786 Otherwise images with alpha cannot be blitted on
787 images that don't have alpha in the original file.
789 core::dimension2d<u32> dim = image->getDimension();
790 baseimg = driver->createImage(video::ECF_A8R8G8B8, dim);
791 image->copyTo(baseimg);
794 // Else blit on base.
797 dstream<<"INFO: Blitting "<<part_of_name<<" on base"<<std::endl;
798 // Size of the copied area
799 core::dimension2d<u32> dim = image->getDimension();
800 //core::dimension2d<u32> dim(16,16);
801 // Position to copy the blitted to in the base image
802 core::position2d<s32> pos_to(0,0);
803 // Position to copy the blitted from in the blitted image
804 core::position2d<s32> pos_from(0,0);
806 image->copyToWithAlpha(baseimg, pos_to,
807 core::rect<s32>(pos_from, dim),
808 video::SColor(255,255,255,255),
816 // A special texture modification
818 dstream<<"INFO: getTextureIdDirect(): generating special "
819 <<"modification \""<<part_of_name<<"\""
823 This is the simplest of all; it just adds stuff to the
824 name so that a separate texture is created.
826 It is used to make textures for stuff that doesn't want
827 to implement getting the texture from a bigger texture
830 if(part_of_name == "[forcesingle")
835 Adds a cracking texture
837 else if(part_of_name.substr(0,6) == "[crack")
841 dstream<<"WARNING: getTextureIdDirect(): baseimg==NULL "
842 <<"for part_of_name="<<part_of_name
843 <<", cancelling."<<std::endl;
847 // Crack image number
848 u16 progression = stoi(part_of_name.substr(6));
850 // Size of the base image
851 core::dimension2d<u32> dim_base = baseimg->getDimension();
856 It is an image with a number of cracking stages
859 video::IImage *img_crack = driver->createImageFromFile(
860 getTexturePath("crack.png").c_str());
864 // Dimension of original image
865 core::dimension2d<u32> dim_crack
866 = img_crack->getDimension();
867 // Count of crack stages
868 u32 crack_count = dim_crack.Height / dim_crack.Width;
870 if(progression > crack_count-1)
871 progression = crack_count-1;
872 // Dimension of a single scaled crack stage
873 core::dimension2d<u32> dim_crack_scaled_single(
877 // Dimension of scaled size
878 core::dimension2d<u32> dim_crack_scaled(
879 dim_crack_scaled_single.Width,
880 dim_crack_scaled_single.Height * crack_count
882 // Create scaled crack image
883 video::IImage *img_crack_scaled = driver->createImage(
884 video::ECF_A8R8G8B8, dim_crack_scaled);
887 // Scale crack image by copying
888 img_crack->copyToScaling(img_crack_scaled);
890 // Position to copy the crack from
891 core::position2d<s32> pos_crack_scaled(
893 dim_crack_scaled_single.Height * progression
896 // This tiling does nothing currently but is useful
897 for(u32 y0=0; y0<dim_base.Height
898 / dim_crack_scaled_single.Height; y0++)
899 for(u32 x0=0; x0<dim_base.Width
900 / dim_crack_scaled_single.Width; x0++)
902 // Position to copy the crack to in the base image
903 core::position2d<s32> pos_base(
904 x0*dim_crack_scaled_single.Width,
905 y0*dim_crack_scaled_single.Height
907 // Rectangle to copy the crack from on the scaled image
908 core::rect<s32> rect_crack_scaled(
910 dim_crack_scaled_single
913 img_crack_scaled->copyToWithAlpha(baseimg, pos_base,
915 video::SColor(255,255,255,255),
919 img_crack_scaled->drop();
926 [combine:WxH:X,Y=filename:X,Y=filename2
927 Creates a bigger texture from an amount of smaller ones
929 else if(part_of_name.substr(0,8) == "[combine")
931 Strfnd sf(part_of_name);
933 u32 w0 = stoi(sf.next("x"));
934 u32 h0 = stoi(sf.next(":"));
935 dstream<<"INFO: combined w="<<w0<<" h="<<h0<<std::endl;
936 core::dimension2d<u32> dim(w0,h0);
937 baseimg = driver->createImage(video::ECF_A8R8G8B8, dim);
938 while(sf.atend() == false)
940 u32 x = stoi(sf.next(","));
941 u32 y = stoi(sf.next("="));
942 std::string filename = sf.next(":");
943 dstream<<"INFO: Adding \""<<filename
944 <<"\" to combined ("<<x<<","<<y<<")"
946 video::IImage *img = driver->createImageFromFile(
947 getTexturePath(filename.c_str()).c_str());
950 core::dimension2d<u32> dim = img->getDimension();
951 dstream<<"INFO: Size "<<dim.Width
952 <<"x"<<dim.Height<<std::endl;
953 core::position2d<s32> pos_base(x, y);
954 video::IImage *img2 =
955 driver->createImage(video::ECF_A8R8G8B8, dim);
958 img2->copyToWithAlpha(baseimg, pos_base,
959 core::rect<s32>(v2s32(0,0), dim),
960 video::SColor(255,255,255,255),
966 dstream<<"WARNING: img==NULL"<<std::endl;
972 Adds a progress bar, 0.0 <= N <= 1.0
974 else if(part_of_name.substr(0,12) == "[progressbar")
978 dstream<<"WARNING: getTextureIdDirect(): baseimg==NULL "
979 <<"for part_of_name="<<part_of_name
980 <<", cancelling."<<std::endl;
984 float value = stof(part_of_name.substr(12));
985 make_progressbar(value, baseimg);
988 "[noalpha:filename.png"
989 Use an image without it's alpha channel.
990 Used for the leaves texture when in old leaves mode, so
991 that the transparent parts don't look completely black
992 when simple alpha channel is used for rendering.
994 else if(part_of_name.substr(0,8) == "[noalpha")
998 dstream<<"WARNING: getTextureIdDirect(): baseimg!=NULL "
999 <<"for part_of_name="<<part_of_name
1000 <<", cancelling."<<std::endl;
1004 std::string filename = part_of_name.substr(9);
1006 std::string path = getTexturePath(filename.c_str());
1008 dstream<<"INFO: getTextureIdDirect(): Loading path \""<<path
1011 video::IImage *image = driver->createImageFromFile(path.c_str());
1015 dstream<<"WARNING: getTextureIdDirect(): Loading path \""
1016 <<path<<"\" failed"<<std::endl;
1020 core::dimension2d<u32> dim = image->getDimension();
1021 baseimg = driver->createImage(video::ECF_A8R8G8B8, dim);
1023 // Set alpha to full
1024 for(u32 y=0; y<dim.Height; y++)
1025 for(u32 x=0; x<dim.Width; x++)
1027 video::SColor c = image->getPixel(x,y);
1029 image->setPixel(x,y,c);
1032 image->copyTo(baseimg);
1038 [inventorycube{topimage{leftimage{rightimage
1039 In every subimage, replace ^ with &.
1040 Create an "inventory cube".
1041 NOTE: This should be used only on its own.
1042 Example (a grass block (not actually used in game):
1043 "[inventorycube{grass.png{mud.png&grass_side.png{mud.png&grass_side.png"
1045 else if(part_of_name.substr(0,14) == "[inventorycube")
1049 dstream<<"WARNING: getTextureIdDirect(): baseimg!=NULL "
1050 <<"for part_of_name="<<part_of_name
1051 <<", cancelling."<<std::endl;
1055 str_replace_char(part_of_name, '&', '^');
1056 Strfnd sf(part_of_name);
1058 std::string imagename_top = sf.next("{");
1059 std::string imagename_left = sf.next("{");
1060 std::string imagename_right = sf.next("{");
1065 if(driver->queryFeature(video::EVDF_RENDER_TO_TARGET) == false)
1067 dstream<<"WARNING: getTextureIdDirect(): EVDF_RENDER_TO_TARGET"
1068 " not supported. Creating fallback image"<<std::endl;
1069 baseimg = generate_image_from_scratch(
1070 imagename_top, device);
1076 dstream<<"INFO: inventorycube w="<<w0<<" h="<<h0<<std::endl;
1077 core::dimension2d<u32> dim(w0,h0);
1079 // Generate images for the faces of the cube
1080 video::IImage *img_top = generate_image_from_scratch(
1081 imagename_top, device);
1082 video::IImage *img_left = generate_image_from_scratch(
1083 imagename_left, device);
1084 video::IImage *img_right = generate_image_from_scratch(
1085 imagename_right, device);
1086 assert(img_top && img_left && img_right);
1088 // TODO: Create textures from images
1089 video::ITexture *texture_top = driver->addTexture(
1090 (imagename_top + "__temp__").c_str(), img_top);
1091 assert(texture_top);
1098 // Create render target texture
1099 video::ITexture *rtt = NULL;
1100 std::string rtt_name = part_of_name + "_RTT";
1101 rtt = driver->addRenderTargetTexture(dim, rtt_name.c_str(),
1102 video::ECF_A8R8G8B8);
1105 // Set render target
1106 driver->setRenderTarget(rtt, true, true,
1107 video::SColor(0,0,0,0));
1109 // Get a scene manager
1110 scene::ISceneManager *smgr_main = device->getSceneManager();
1112 scene::ISceneManager *smgr = smgr_main->createNewSceneManager();
1117 - An unit cube is centered at 0,0,0
1118 - Camera looks at cube from Y+, Z- towards Y-, Z+
1119 NOTE: Cube has to be changed to something else because
1120 the textures cannot be set individually (or can they?)
1123 scene::ISceneNode* cube = smgr->addCubeSceneNode(1.0, NULL, -1,
1124 v3f(0,0,0), v3f(0, 45, 0));
1125 // Set texture of cube
1126 cube->setMaterialTexture(0, texture_top);
1127 //cube->setMaterialFlag(video::EMF_LIGHTING, false);
1128 cube->setMaterialFlag(video::EMF_ANTI_ALIASING, false);
1129 cube->setMaterialFlag(video::EMF_BILINEAR_FILTER, false);
1131 scene::ICameraSceneNode* camera = smgr->addCameraSceneNode(0,
1132 v3f(0, 1.0, -1.5), v3f(0, 0, 0));
1133 // Set orthogonal projection
1134 core::CMatrix4<f32> pm;
1135 pm.buildProjectionMatrixOrthoLH(1.65, 1.65, 0, 100);
1136 camera->setProjectionMatrix(pm, true);
1138 /*scene::ILightSceneNode *light =*/ smgr->addLightSceneNode(0,
1139 v3f(-50, 100, 0), video::SColorf(0.5,0.5,0.5), 1000);
1141 smgr->setAmbientLight(video::SColorf(0.2,0.2,0.2));
1144 driver->beginScene(true, true, video::SColor(0,0,0,0));
1148 // NOTE: The scene nodes should not be dropped, otherwise
1149 // smgr->drop() segfaults
1153 // Drop scene manager
1156 // Unset render target
1157 driver->setRenderTarget(0, true, true, 0);
1159 //TODO: Free textures of images
1160 driver->removeTexture(texture_top);
1162 // Create image of render target
1163 video::IImage *image = driver->createImage(rtt, v2s32(0,0), dim);
1167 baseimg = driver->createImage(video::ECF_A8R8G8B8, dim);
1171 image->copyTo(baseimg);
1178 dstream<<"WARNING: getTextureIdDirect(): Invalid "
1179 " modification: \""<<part_of_name<<"\""<<std::endl;
1186 void make_progressbar(float value, video::IImage *image)
1191 core::dimension2d<u32> size = image->getDimension();
1193 u32 barheight = size.Height/16;
1194 u32 barpad_x = size.Width/16;
1195 u32 barpad_y = size.Height/16;
1196 u32 barwidth = size.Width - barpad_x*2;
1197 v2u32 barpos(barpad_x, size.Height - barheight - barpad_y);
1199 u32 barvalue_i = (u32)(((float)barwidth * value) + 0.5);
1201 video::SColor active(255,255,0,0);
1202 video::SColor inactive(255,0,0,0);
1203 for(u32 x0=0; x0<barwidth; x0++)
1210 u32 x = x0 + barpos.X;
1211 for(u32 y=barpos.Y; y<barpos.Y+barheight; y++)
1213 image->setPixel(x,y, *c);