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("sandstone.png");
510 sourcelist.push_back("brick.png");
511 sourcelist.push_back("grass.png");
512 sourcelist.push_back("grass_footsteps.png");
513 sourcelist.push_back("tree.png");
514 sourcelist.push_back("tree_top.png");
515 sourcelist.push_back("water.png");
516 sourcelist.push_back("leaves.png");
517 sourcelist.push_back("cactus_side.png");
518 sourcelist.push_back("cactus_top.png");
519 sourcelist.push_back("glass.png");
520 sourcelist.push_back("mud.png^grass_side.png");
521 sourcelist.push_back("cobble.png");
523 sourcelist.push_back("stone.png^mineral_coal.png");
524 sourcelist.push_back("stone.png^mineral_iron.png");
525 sourcelist.push_back("mud.png^mineral_coal.png");
526 sourcelist.push_back("mud.png^mineral_iron.png");
527 sourcelist.push_back("sand.png^mineral_coal.png");
528 sourcelist.push_back("sand.png^mineral_iron.png");
530 // Padding to disallow texture bleeding
534 First pass: generate almost everything
536 core::position2d<s32> pos_in_atlas(0,0);
538 pos_in_atlas.Y += padding;
540 for(u32 i=0; i<sourcelist.size(); i++)
542 std::string name = sourcelist[i];
544 /*video::IImage *img = driver->createImageFromFile(
545 getTexturePath(name.c_str()).c_str());
549 core::dimension2d<u32> dim = img->getDimension();
550 // Make a copy with the right color format
551 video::IImage *img2 =
552 driver->createImage(video::ECF_A8R8G8B8, dim);
556 // Generate image by name
557 video::IImage *img2 = generate_image_from_scratch(name, m_device);
560 dstream<<"WARNING: TextureSource::buildMainAtlas(): Couldn't generate texture atlas: Couldn't generate image \""<<name<<"\""<<std::endl;
564 core::dimension2d<u32> dim = img2->getDimension();
566 // Don't add to atlas if image is large
567 core::dimension2d<u32> max_size_in_atlas(32,32);
568 if(dim.Width > max_size_in_atlas.Width
569 || dim.Height > max_size_in_atlas.Height)
571 dstream<<"INFO: TextureSource::buildMainAtlas(): Not adding "
572 <<"\""<<name<<"\" because image is large"<<std::endl;
576 // Stop making atlas if atlas is full
577 if(pos_in_atlas.Y + dim.Height > atlas_dim.Height)
579 dstream<<"WARNING: TextureSource::buildMainAtlas(): "
580 <<"Atlas is full, not adding more textures."
585 // Tile it a few times in the X direction
586 u16 xwise_tiling = 16;
587 for(u32 j=0; j<xwise_tiling; j++)
589 // Copy the copy to the atlas
590 img2->copyToWithAlpha(atlas_img,
591 pos_in_atlas + v2s32(j*dim.Width,0),
592 core::rect<s32>(v2s32(0,0), dim),
593 video::SColor(255,255,255,255),
597 // Copy the borders a few times to disallow texture bleeding
598 for(u32 side=0; side<2; side++) // top and bottom
599 for(s32 y0=0; y0<padding; y0++)
600 for(s32 x0=0; x0<(s32)xwise_tiling*(s32)dim.Width; x0++)
606 dst_y = y0 + pos_in_atlas.Y + dim.Height;
607 src_y = pos_in_atlas.Y + dim.Height - 1;
611 dst_y = -y0 + pos_in_atlas.Y-1;
612 src_y = pos_in_atlas.Y;
614 s32 x = x0 + pos_in_atlas.X * dim.Width;
615 video::SColor c = atlas_img->getPixel(x, src_y);
616 atlas_img->setPixel(x,dst_y,c);
622 Add texture to caches
626 u32 id = m_atlaspointer_cache.size();
628 // Create AtlasPointer
630 ap.atlas = NULL; // Set on the second pass
631 ap.pos = v2f((float)pos_in_atlas.X/(float)atlas_dim.Width,
632 (float)pos_in_atlas.Y/(float)atlas_dim.Height);
633 ap.size = v2f((float)dim.Width/(float)atlas_dim.Width,
634 (float)dim.Width/(float)atlas_dim.Height);
635 ap.tiled = xwise_tiling;
637 // Create SourceAtlasPointer and add to containers
638 SourceAtlasPointer nap(name, ap, atlas_img, pos_in_atlas, dim);
639 m_atlaspointer_cache.push_back(nap);
640 m_name_to_id.insert(name, id);
642 // Increment position
643 pos_in_atlas.Y += dim.Height + padding * 2;
649 video::ITexture *t = driver->addTexture("__main_atlas__", atlas_img);
653 Second pass: set texture pointer in generated AtlasPointers
655 for(u32 i=0; i<sourcelist.size(); i++)
657 std::string name = sourcelist[i];
658 if(m_name_to_id.find(name) == NULL)
660 u32 id = m_name_to_id[name];
661 //dstream<<"id of name "<<name<<" is "<<id<<std::endl;
662 m_atlaspointer_cache[id].a.atlas = t;
666 Write image to file so that it can be inspected
668 /*driver->writeImageToFile(atlas_img,
669 getTexturePath("main_atlas.png").c_str());*/
672 video::IImage* generate_image_from_scratch(std::string name,
673 IrrlichtDevice *device)
675 dstream<<"INFO: generate_image_from_scratch(): "
676 "name="<<name<<std::endl;
678 video::IVideoDriver* driver = device->getVideoDriver();
685 video::IImage *baseimg = NULL;
687 char separator = '^';
689 // Find last meta separator in name
690 s32 last_separator_position = -1;
691 for(s32 i=name.size()-1; i>=0; i--)
693 if(name[i] == separator)
695 last_separator_position = i;
700 /*dstream<<"INFO: generate_image_from_scratch(): "
701 <<"last_separator_position="<<last_separator_position
705 If separator was found, construct the base name and make the
706 base image using a recursive call
708 std::string base_image_name;
709 if(last_separator_position != -1)
711 // Construct base name
712 base_image_name = name.substr(0, last_separator_position);
713 dstream<<"INFO: generate_image_from_scratch(): Calling itself recursively"
714 " to get base image, name="<<base_image_name<<std::endl;
715 baseimg = generate_image_from_scratch(base_image_name, device);
719 Parse out the last part of the name of the image and act
723 std::string last_part_of_name = name.substr(last_separator_position+1);
724 dstream<<"last_part_of_name="<<last_part_of_name<<std::endl;
726 // Generate image according to part of name
727 if(generate_image(last_part_of_name, baseimg, device) == false)
729 dstream<<"INFO: generate_image_from_scratch(): "
730 "failed to generate \""<<last_part_of_name<<"\""
738 bool generate_image(std::string part_of_name, video::IImage *& baseimg,
739 IrrlichtDevice *device)
741 video::IVideoDriver* driver = device->getVideoDriver();
744 // Stuff starting with [ are special commands
745 if(part_of_name[0] != '[')
747 // A normal texture; load it from a file
748 std::string path = getTexturePath(part_of_name.c_str());
749 dstream<<"INFO: getTextureIdDirect(): Loading path \""<<path
752 video::IImage *image = driver->createImageFromFile(path.c_str());
756 dstream<<"WARNING: Could not load image \""<<part_of_name
757 <<"\" from path \""<<path<<"\""
758 <<" while building texture"<<std::endl;
762 dstream<<"WARNING: Creating a dummy"<<" image for \""
763 <<part_of_name<<"\""<<std::endl;
765 // Just create a dummy image
766 //core::dimension2d<u32> dim(2,2);
767 core::dimension2d<u32> dim(1,1);
768 image = driver->createImage(video::ECF_A8R8G8B8, dim);
770 /*image->setPixel(0,0, video::SColor(255,255,0,0));
771 image->setPixel(1,0, video::SColor(255,0,255,0));
772 image->setPixel(0,1, video::SColor(255,0,0,255));
773 image->setPixel(1,1, video::SColor(255,255,0,255));*/
774 image->setPixel(0,0, video::SColor(255,myrand()%256,
775 myrand()%256,myrand()%256));
776 /*image->setPixel(1,0, video::SColor(255,myrand()%256,
777 myrand()%256,myrand()%256));
778 image->setPixel(0,1, video::SColor(255,myrand()%256,
779 myrand()%256,myrand()%256));
780 image->setPixel(1,1, video::SColor(255,myrand()%256,
781 myrand()%256,myrand()%256));*/
784 // If base image is NULL, load as base.
787 dstream<<"INFO: Setting "<<part_of_name<<" as base"<<std::endl;
789 Copy it this way to get an alpha channel.
790 Otherwise images with alpha cannot be blitted on
791 images that don't have alpha in the original file.
793 core::dimension2d<u32> dim = image->getDimension();
794 baseimg = driver->createImage(video::ECF_A8R8G8B8, dim);
795 image->copyTo(baseimg);
798 // Else blit on base.
801 dstream<<"INFO: Blitting "<<part_of_name<<" on base"<<std::endl;
802 // Size of the copied area
803 core::dimension2d<u32> dim = image->getDimension();
804 //core::dimension2d<u32> dim(16,16);
805 // Position to copy the blitted to in the base image
806 core::position2d<s32> pos_to(0,0);
807 // Position to copy the blitted from in the blitted image
808 core::position2d<s32> pos_from(0,0);
810 image->copyToWithAlpha(baseimg, pos_to,
811 core::rect<s32>(pos_from, dim),
812 video::SColor(255,255,255,255),
820 // A special texture modification
822 dstream<<"INFO: getTextureIdDirect(): generating special "
823 <<"modification \""<<part_of_name<<"\""
827 This is the simplest of all; it just adds stuff to the
828 name so that a separate texture is created.
830 It is used to make textures for stuff that doesn't want
831 to implement getting the texture from a bigger texture
834 if(part_of_name == "[forcesingle")
839 Adds a cracking texture
841 else if(part_of_name.substr(0,6) == "[crack")
845 dstream<<"WARNING: getTextureIdDirect(): baseimg==NULL "
846 <<"for part_of_name="<<part_of_name
847 <<", cancelling."<<std::endl;
851 // Crack image number
852 u16 progression = stoi(part_of_name.substr(6));
854 // Size of the base image
855 core::dimension2d<u32> dim_base = baseimg->getDimension();
860 It is an image with a number of cracking stages
863 video::IImage *img_crack = driver->createImageFromFile(
864 getTexturePath("crack.png").c_str());
868 // Dimension of original image
869 core::dimension2d<u32> dim_crack
870 = img_crack->getDimension();
871 // Count of crack stages
872 u32 crack_count = dim_crack.Height / dim_crack.Width;
874 if(progression > crack_count-1)
875 progression = crack_count-1;
876 // Dimension of a single scaled crack stage
877 core::dimension2d<u32> dim_crack_scaled_single(
881 // Dimension of scaled size
882 core::dimension2d<u32> dim_crack_scaled(
883 dim_crack_scaled_single.Width,
884 dim_crack_scaled_single.Height * crack_count
886 // Create scaled crack image
887 video::IImage *img_crack_scaled = driver->createImage(
888 video::ECF_A8R8G8B8, dim_crack_scaled);
891 // Scale crack image by copying
892 img_crack->copyToScaling(img_crack_scaled);
894 // Position to copy the crack from
895 core::position2d<s32> pos_crack_scaled(
897 dim_crack_scaled_single.Height * progression
900 // This tiling does nothing currently but is useful
901 for(u32 y0=0; y0<dim_base.Height
902 / dim_crack_scaled_single.Height; y0++)
903 for(u32 x0=0; x0<dim_base.Width
904 / dim_crack_scaled_single.Width; x0++)
906 // Position to copy the crack to in the base image
907 core::position2d<s32> pos_base(
908 x0*dim_crack_scaled_single.Width,
909 y0*dim_crack_scaled_single.Height
911 // Rectangle to copy the crack from on the scaled image
912 core::rect<s32> rect_crack_scaled(
914 dim_crack_scaled_single
917 img_crack_scaled->copyToWithAlpha(baseimg, pos_base,
919 video::SColor(255,255,255,255),
923 img_crack_scaled->drop();
930 [combine:WxH:X,Y=filename:X,Y=filename2
931 Creates a bigger texture from an amount of smaller ones
933 else if(part_of_name.substr(0,8) == "[combine")
935 Strfnd sf(part_of_name);
937 u32 w0 = stoi(sf.next("x"));
938 u32 h0 = stoi(sf.next(":"));
939 dstream<<"INFO: combined w="<<w0<<" h="<<h0<<std::endl;
940 core::dimension2d<u32> dim(w0,h0);
941 baseimg = driver->createImage(video::ECF_A8R8G8B8, dim);
942 while(sf.atend() == false)
944 u32 x = stoi(sf.next(","));
945 u32 y = stoi(sf.next("="));
946 std::string filename = sf.next(":");
947 dstream<<"INFO: Adding \""<<filename
948 <<"\" to combined ("<<x<<","<<y<<")"
950 video::IImage *img = driver->createImageFromFile(
951 getTexturePath(filename.c_str()).c_str());
954 core::dimension2d<u32> dim = img->getDimension();
955 dstream<<"INFO: Size "<<dim.Width
956 <<"x"<<dim.Height<<std::endl;
957 core::position2d<s32> pos_base(x, y);
958 video::IImage *img2 =
959 driver->createImage(video::ECF_A8R8G8B8, dim);
962 img2->copyToWithAlpha(baseimg, pos_base,
963 core::rect<s32>(v2s32(0,0), dim),
964 video::SColor(255,255,255,255),
970 dstream<<"WARNING: img==NULL"<<std::endl;
976 Adds a progress bar, 0.0 <= N <= 1.0
978 else if(part_of_name.substr(0,12) == "[progressbar")
982 dstream<<"WARNING: getTextureIdDirect(): baseimg==NULL "
983 <<"for part_of_name="<<part_of_name
984 <<", cancelling."<<std::endl;
988 float value = stof(part_of_name.substr(12));
989 make_progressbar(value, baseimg);
992 "[noalpha:filename.png"
993 Use an image without it's alpha channel.
994 Used for the leaves texture when in old leaves mode, so
995 that the transparent parts don't look completely black
996 when simple alpha channel is used for rendering.
998 else if(part_of_name.substr(0,8) == "[noalpha")
1002 dstream<<"WARNING: getTextureIdDirect(): baseimg!=NULL "
1003 <<"for part_of_name="<<part_of_name
1004 <<", cancelling."<<std::endl;
1008 std::string filename = part_of_name.substr(9);
1010 std::string path = getTexturePath(filename.c_str());
1012 dstream<<"INFO: getTextureIdDirect(): Loading path \""<<path
1015 video::IImage *image = driver->createImageFromFile(path.c_str());
1019 dstream<<"WARNING: getTextureIdDirect(): Loading path \""
1020 <<path<<"\" failed"<<std::endl;
1024 core::dimension2d<u32> dim = image->getDimension();
1025 baseimg = driver->createImage(video::ECF_A8R8G8B8, dim);
1027 // Set alpha to full
1028 for(u32 y=0; y<dim.Height; y++)
1029 for(u32 x=0; x<dim.Width; x++)
1031 video::SColor c = image->getPixel(x,y);
1033 image->setPixel(x,y,c);
1036 image->copyTo(baseimg);
1042 [inventorycube{topimage{leftimage{rightimage
1043 In every subimage, replace ^ with &.
1044 Create an "inventory cube".
1045 NOTE: This should be used only on its own.
1046 Example (a grass block (not actually used in game):
1047 "[inventorycube{grass.png{mud.png&grass_side.png{mud.png&grass_side.png"
1049 else if(part_of_name.substr(0,14) == "[inventorycube")
1053 dstream<<"WARNING: getTextureIdDirect(): baseimg!=NULL "
1054 <<"for part_of_name="<<part_of_name
1055 <<", cancelling."<<std::endl;
1059 str_replace_char(part_of_name, '&', '^');
1060 Strfnd sf(part_of_name);
1062 std::string imagename_top = sf.next("{");
1063 std::string imagename_left = sf.next("{");
1064 std::string imagename_right = sf.next("{");
1069 if(driver->queryFeature(video::EVDF_RENDER_TO_TARGET) == false)
1071 dstream<<"WARNING: getTextureIdDirect(): EVDF_RENDER_TO_TARGET"
1072 " not supported. Creating fallback image"<<std::endl;
1073 baseimg = generate_image_from_scratch(
1074 imagename_top, device);
1080 dstream<<"INFO: inventorycube w="<<w0<<" h="<<h0<<std::endl;
1081 core::dimension2d<u32> dim(w0,h0);
1083 // Generate images for the faces of the cube
1084 video::IImage *img_top = generate_image_from_scratch(
1085 imagename_top, device);
1086 video::IImage *img_left = generate_image_from_scratch(
1087 imagename_left, device);
1088 video::IImage *img_right = generate_image_from_scratch(
1089 imagename_right, device);
1090 assert(img_top && img_left && img_right);
1092 // TODO: Create textures from images
1093 video::ITexture *texture_top = driver->addTexture(
1094 (imagename_top + "__temp__").c_str(), img_top);
1095 assert(texture_top);
1102 // Create render target texture
1103 video::ITexture *rtt = NULL;
1104 std::string rtt_name = part_of_name + "_RTT";
1105 rtt = driver->addRenderTargetTexture(dim, rtt_name.c_str(),
1106 video::ECF_A8R8G8B8);
1109 // Set render target
1110 driver->setRenderTarget(rtt, true, true,
1111 video::SColor(0,0,0,0));
1113 // Get a scene manager
1114 scene::ISceneManager *smgr_main = device->getSceneManager();
1116 scene::ISceneManager *smgr = smgr_main->createNewSceneManager();
1121 - An unit cube is centered at 0,0,0
1122 - Camera looks at cube from Y+, Z- towards Y-, Z+
1123 NOTE: Cube has to be changed to something else because
1124 the textures cannot be set individually (or can they?)
1127 scene::ISceneNode* cube = smgr->addCubeSceneNode(1.0, NULL, -1,
1128 v3f(0,0,0), v3f(0, 45, 0));
1129 // Set texture of cube
1130 cube->setMaterialTexture(0, texture_top);
1131 //cube->setMaterialFlag(video::EMF_LIGHTING, false);
1132 cube->setMaterialFlag(video::EMF_ANTI_ALIASING, false);
1133 cube->setMaterialFlag(video::EMF_BILINEAR_FILTER, false);
1135 scene::ICameraSceneNode* camera = smgr->addCameraSceneNode(0,
1136 v3f(0, 1.0, -1.5), v3f(0, 0, 0));
1137 // Set orthogonal projection
1138 core::CMatrix4<f32> pm;
1139 pm.buildProjectionMatrixOrthoLH(1.65, 1.65, 0, 100);
1140 camera->setProjectionMatrix(pm, true);
1142 /*scene::ILightSceneNode *light =*/ smgr->addLightSceneNode(0,
1143 v3f(-50, 100, 0), video::SColorf(0.5,0.5,0.5), 1000);
1145 smgr->setAmbientLight(video::SColorf(0.2,0.2,0.2));
1148 driver->beginScene(true, true, video::SColor(0,0,0,0));
1152 // NOTE: The scene nodes should not be dropped, otherwise
1153 // smgr->drop() segfaults
1157 // Drop scene manager
1160 // Unset render target
1161 driver->setRenderTarget(0, true, true, 0);
1163 //TODO: Free textures of images
1164 driver->removeTexture(texture_top);
1166 // Create image of render target
1167 video::IImage *image = driver->createImage(rtt, v2s32(0,0), dim);
1171 baseimg = driver->createImage(video::ECF_A8R8G8B8, dim);
1175 image->copyTo(baseimg);
1182 dstream<<"WARNING: getTextureIdDirect(): Invalid "
1183 " modification: \""<<part_of_name<<"\""<<std::endl;
1190 void make_progressbar(float value, video::IImage *image)
1195 core::dimension2d<u32> size = image->getDimension();
1197 u32 barheight = size.Height/16;
1198 u32 barpad_x = size.Width/16;
1199 u32 barpad_y = size.Height/16;
1200 u32 barwidth = size.Width - barpad_x*2;
1201 v2u32 barpos(barpad_x, size.Height - barheight - barpad_y);
1203 u32 barvalue_i = (u32)(((float)barwidth * value) + 0.5);
1205 video::SColor active(255,255,0,0);
1206 video::SColor inactive(255,0,0,0);
1207 for(u32 x0=0; x0<barwidth; x0++)
1214 u32 x = x0 + barpos.X;
1215 for(u32 y=barpos.Y; y<barpos.Y+barheight; y++)
1217 image->setPixel(x,y, *c);