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<<"\""<<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=\""
230 <<name<<"\""<<std::endl;
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
309 <<"\" found in cache"<<std::endl;
310 return n->getValue();
314 dstream<<"INFO: getTextureIdDirect(): \""<<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 of \""<<name<<"\" = \""
351 <<base_image_name<<"\""<<std::endl;*/
352 base_image_id = getTextureIdDirect(base_image_name);
355 //dstream<<"base_image_id="<<base_image_id<<std::endl;
357 video::IVideoDriver* driver = m_device->getVideoDriver();
360 video::ITexture *t = NULL;
363 An image will be built from files and then converted into a texture.
365 video::IImage *baseimg = NULL;
367 // If a base image was found, copy it to baseimg
368 if(base_image_id != 0)
370 JMutexAutoLock lock(m_atlaspointer_cache_mutex);
372 SourceAtlasPointer ap = m_atlaspointer_cache[base_image_id];
374 video::IImage *image = ap.atlas_img;
378 dstream<<"WARNING: getTextureIdDirect(): NULL image in "
379 <<"cache: \""<<base_image_name<<"\""
384 core::dimension2d<u32> dim = ap.intsize;
386 baseimg = driver->createImage(video::ECF_A8R8G8B8, dim);
388 core::position2d<s32> pos_to(0,0);
389 core::position2d<s32> pos_from = ap.intpos;
393 v2s32(0,0), // position in target
394 core::rect<s32>(pos_from, dim) // from
397 /*dstream<<"INFO: getTextureIdDirect(): Loaded \""
398 <<base_image_name<<"\" from image cache"
404 Parse out the last part of the name of the image and act
408 std::string last_part_of_name = name.substr(last_separator_position+1);
409 //dstream<<"last_part_of_name=\""<<last_part_of_name<<"\""<<std::endl;
411 // Generate image according to part of name
412 if(generate_image(last_part_of_name, baseimg, m_device) == false)
414 dstream<<"INFO: getTextureIdDirect(): "
415 "failed to generate \""<<last_part_of_name<<"\""
419 // If no resulting image, print a warning
422 dstream<<"WARNING: getTextureIdDirect(): baseimg is NULL (attempted to"
423 " create texture \""<<name<<"\""<<std::endl;
428 // Create texture from resulting image
429 t = driver->addTexture(name.c_str(), baseimg);
433 Add texture to caches (add NULL textures too)
436 JMutexAutoLock lock(m_atlaspointer_cache_mutex);
438 u32 id = m_atlaspointer_cache.size();
444 core::dimension2d<u32> baseimg_dim(0,0);
446 baseimg_dim = baseimg->getDimension();
447 SourceAtlasPointer nap(name, ap, baseimg, v2s32(0,0), baseimg_dim);
448 m_atlaspointer_cache.push_back(nap);
449 m_name_to_id.insert(name, id);
451 /*dstream<<"INFO: getTextureIdDirect(): "
452 <<"Returning id="<<id<<" for name \""<<name<<"\""<<std::endl;*/
457 std::string TextureSource::getTextureName(u32 id)
459 JMutexAutoLock lock(m_atlaspointer_cache_mutex);
461 if(id >= m_atlaspointer_cache.size())
463 dstream<<"WARNING: TextureSource::getTextureName(): id="<<id
464 <<" >= m_atlaspointer_cache.size()="
465 <<m_atlaspointer_cache.size()<<std::endl;
469 return m_atlaspointer_cache[id].name;
473 AtlasPointer TextureSource::getTexture(u32 id)
475 JMutexAutoLock lock(m_atlaspointer_cache_mutex);
477 if(id >= m_atlaspointer_cache.size())
478 return AtlasPointer(0, NULL);
480 return m_atlaspointer_cache[id].a;
483 void TextureSource::buildMainAtlas()
485 dstream<<"TextureSource::buildMainAtlas()"<<std::endl;
487 //return; // Disable (for testing)
489 video::IVideoDriver* driver = m_device->getVideoDriver();
492 JMutexAutoLock lock(m_atlaspointer_cache_mutex);
494 // Create an image of the right size
495 core::dimension2d<u32> atlas_dim(1024,1024);
496 video::IImage *atlas_img =
497 driver->createImage(video::ECF_A8R8G8B8, atlas_dim);
501 A list of stuff to add. This should contain as much of the
502 stuff shown in game as possible, to minimize texture changes.
505 core::array<std::string> sourcelist;
507 sourcelist.push_back("stone.png");
508 sourcelist.push_back("mud.png");
509 sourcelist.push_back("sand.png");
510 sourcelist.push_back("grass.png");
511 sourcelist.push_back("grass_footsteps.png");
512 sourcelist.push_back("tree.png");
513 sourcelist.push_back("tree_top.png");
514 sourcelist.push_back("water.png");
515 sourcelist.push_back("leaves.png");
516 sourcelist.push_back("glass.png");
517 sourcelist.push_back("mud.png^grass_side.png");
518 sourcelist.push_back("cobble.png");
519 sourcelist.push_back("mossycobble.png");
520 sourcelist.push_back("gravel.png");
521 sourcelist.push_back("cactus.png");
522 sourcelist.push_back("jungletree.png");
524 sourcelist.push_back("stone.png^mineral_coal.png");
525 sourcelist.push_back("stone.png^mineral_iron.png");
527 // Padding to disallow texture bleeding
531 First pass: generate almost everything
533 core::position2d<s32> pos_in_atlas(0,0);
535 pos_in_atlas.Y += padding;
537 for(u32 i=0; i<sourcelist.size(); i++)
539 std::string name = sourcelist[i];
541 /*video::IImage *img = driver->createImageFromFile(
542 getTexturePath(name.c_str()).c_str());
546 core::dimension2d<u32> dim = img->getDimension();
547 // Make a copy with the right color format
548 video::IImage *img2 =
549 driver->createImage(video::ECF_A8R8G8B8, dim);
553 // Generate image by name
554 video::IImage *img2 = generate_image_from_scratch(name, m_device);
557 dstream<<"WARNING: TextureSource::buildMainAtlas(): Couldn't generate texture atlas: Couldn't generate image \""<<name<<"\""<<std::endl;
561 core::dimension2d<u32> dim = img2->getDimension();
563 // Don't add to atlas if image is large
564 core::dimension2d<u32> max_size_in_atlas(32,32);
565 if(dim.Width > max_size_in_atlas.Width
566 || dim.Height > max_size_in_atlas.Height)
568 dstream<<"INFO: TextureSource::buildMainAtlas(): Not adding "
569 <<"\""<<name<<"\" because image is large"<<std::endl;
573 // Stop making atlas if atlas is full
574 if(pos_in_atlas.Y + dim.Height > atlas_dim.Height)
576 dstream<<"WARNING: TextureSource::buildMainAtlas(): "
577 <<"Atlas is full, not adding more textures."
582 dstream<<"INFO: TextureSource::buildMainAtlas(): Adding \""<<name
583 <<"\" to texture atlas"<<std::endl;
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<<"\""<<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 of \""<<name<<"\" = \""
715 <<base_image_name<<"\""<<std::endl;*/
716 baseimg = generate_image_from_scratch(base_image_name, device);
720 Parse out the last part of the name of the image and act
724 std::string last_part_of_name = name.substr(last_separator_position+1);
725 //dstream<<"last_part_of_name=\""<<last_part_of_name<<"\""<<std::endl;
727 // Generate image according to part of name
728 if(generate_image(last_part_of_name, baseimg, device) == false)
730 dstream<<"INFO: generate_image_from_scratch(): "
731 "failed to generate \""<<last_part_of_name<<"\""
739 bool generate_image(std::string part_of_name, video::IImage *& baseimg,
740 IrrlichtDevice *device)
742 video::IVideoDriver* driver = device->getVideoDriver();
745 // Stuff starting with [ are special commands
746 if(part_of_name[0] != '[')
748 // A normal texture; load it from a file
749 std::string path = getTexturePath(part_of_name.c_str());
750 /*dstream<<"INFO: generate_image(): Loading path \""<<path
753 video::IImage *image = driver->createImageFromFile(path.c_str());
757 dstream<<"WARNING: generate_image(): Could not load image \""
758 <<part_of_name<<"\" from path \""<<path<<"\""
759 <<" while building texture"<<std::endl;
763 dstream<<"WARNING: generate_image(): Creating a dummy"
764 <<" image for \""<<part_of_name<<"\""<<std::endl;
766 // Just create a dummy image
767 //core::dimension2d<u32> dim(2,2);
768 core::dimension2d<u32> dim(1,1);
769 image = driver->createImage(video::ECF_A8R8G8B8, dim);
771 /*image->setPixel(0,0, video::SColor(255,255,0,0));
772 image->setPixel(1,0, video::SColor(255,0,255,0));
773 image->setPixel(0,1, video::SColor(255,0,0,255));
774 image->setPixel(1,1, video::SColor(255,255,0,255));*/
775 image->setPixel(0,0, video::SColor(255,myrand()%256,
776 myrand()%256,myrand()%256));
777 /*image->setPixel(1,0, video::SColor(255,myrand()%256,
778 myrand()%256,myrand()%256));
779 image->setPixel(0,1, video::SColor(255,myrand()%256,
780 myrand()%256,myrand()%256));
781 image->setPixel(1,1, video::SColor(255,myrand()%256,
782 myrand()%256,myrand()%256));*/
785 // If base image is NULL, load as base.
788 //dstream<<"INFO: Setting "<<part_of_name<<" as base"<<std::endl;
790 Copy it this way to get an alpha channel.
791 Otherwise images with alpha cannot be blitted on
792 images that don't have alpha in the original file.
794 core::dimension2d<u32> dim = image->getDimension();
795 baseimg = driver->createImage(video::ECF_A8R8G8B8, dim);
796 image->copyTo(baseimg);
799 // Else blit on base.
802 //dstream<<"INFO: Blitting "<<part_of_name<<" on base"<<std::endl;
803 // Size of the copied area
804 core::dimension2d<u32> dim = image->getDimension();
805 //core::dimension2d<u32> dim(16,16);
806 // Position to copy the blitted to in the base image
807 core::position2d<s32> pos_to(0,0);
808 // Position to copy the blitted from in the blitted image
809 core::position2d<s32> pos_from(0,0);
811 image->copyToWithAlpha(baseimg, pos_to,
812 core::rect<s32>(pos_from, dim),
813 video::SColor(255,255,255,255),
821 // A special texture modification
823 dstream<<"INFO: generate_image(): generating special "
824 <<"modification \""<<part_of_name<<"\""
828 This is the simplest of all; it just adds stuff to the
829 name so that a separate texture is created.
831 It is used to make textures for stuff that doesn't want
832 to implement getting the texture from a bigger texture
835 if(part_of_name == "[forcesingle")
840 Adds a cracking texture
842 else if(part_of_name.substr(0,6) == "[crack")
846 dstream<<"WARNING: generate_image(): baseimg==NULL "
847 <<"for part_of_name=\""<<part_of_name
848 <<"\", cancelling."<<std::endl;
852 // Crack image number
853 u16 progression = stoi(part_of_name.substr(6));
855 // Size of the base image
856 core::dimension2d<u32> dim_base = baseimg->getDimension();
861 It is an image with a number of cracking stages
864 video::IImage *img_crack = driver->createImageFromFile(
865 getTexturePath("crack.png").c_str());
869 // Dimension of original image
870 core::dimension2d<u32> dim_crack
871 = img_crack->getDimension();
872 // Count of crack stages
873 u32 crack_count = dim_crack.Height / dim_crack.Width;
875 if(progression > crack_count-1)
876 progression = crack_count-1;
877 // Dimension of a single scaled crack stage
878 core::dimension2d<u32> dim_crack_scaled_single(
882 // Dimension of scaled size
883 core::dimension2d<u32> dim_crack_scaled(
884 dim_crack_scaled_single.Width,
885 dim_crack_scaled_single.Height * crack_count
887 // Create scaled crack image
888 video::IImage *img_crack_scaled = driver->createImage(
889 video::ECF_A8R8G8B8, dim_crack_scaled);
892 // Scale crack image by copying
893 img_crack->copyToScaling(img_crack_scaled);
895 // Position to copy the crack from
896 core::position2d<s32> pos_crack_scaled(
898 dim_crack_scaled_single.Height * progression
901 // This tiling does nothing currently but is useful
902 for(u32 y0=0; y0<dim_base.Height
903 / dim_crack_scaled_single.Height; y0++)
904 for(u32 x0=0; x0<dim_base.Width
905 / dim_crack_scaled_single.Width; x0++)
907 // Position to copy the crack to in the base image
908 core::position2d<s32> pos_base(
909 x0*dim_crack_scaled_single.Width,
910 y0*dim_crack_scaled_single.Height
912 // Rectangle to copy the crack from on the scaled image
913 core::rect<s32> rect_crack_scaled(
915 dim_crack_scaled_single
918 img_crack_scaled->copyToWithAlpha(baseimg, pos_base,
920 video::SColor(255,255,255,255),
924 img_crack_scaled->drop();
931 [combine:WxH:X,Y=filename:X,Y=filename2
932 Creates a bigger texture from an amount of smaller ones
934 else if(part_of_name.substr(0,8) == "[combine")
936 Strfnd sf(part_of_name);
938 u32 w0 = stoi(sf.next("x"));
939 u32 h0 = stoi(sf.next(":"));
940 dstream<<"INFO: combined w="<<w0<<" h="<<h0<<std::endl;
941 core::dimension2d<u32> dim(w0,h0);
942 baseimg = driver->createImage(video::ECF_A8R8G8B8, dim);
943 while(sf.atend() == false)
945 u32 x = stoi(sf.next(","));
946 u32 y = stoi(sf.next("="));
947 std::string filename = sf.next(":");
948 dstream<<"INFO: Adding \""<<filename
949 <<"\" to combined ("<<x<<","<<y<<")"
951 video::IImage *img = driver->createImageFromFile(
952 getTexturePath(filename.c_str()).c_str());
955 core::dimension2d<u32> dim = img->getDimension();
956 dstream<<"INFO: Size "<<dim.Width
957 <<"x"<<dim.Height<<std::endl;
958 core::position2d<s32> pos_base(x, y);
959 video::IImage *img2 =
960 driver->createImage(video::ECF_A8R8G8B8, dim);
963 img2->copyToWithAlpha(baseimg, pos_base,
964 core::rect<s32>(v2s32(0,0), dim),
965 video::SColor(255,255,255,255),
971 dstream<<"WARNING: img==NULL"<<std::endl;
977 Adds a progress bar, 0.0 <= N <= 1.0
979 else if(part_of_name.substr(0,12) == "[progressbar")
983 dstream<<"WARNING: generate_image(): baseimg==NULL "
984 <<"for part_of_name=\""<<part_of_name
985 <<"\", cancelling."<<std::endl;
989 float value = stof(part_of_name.substr(12));
990 make_progressbar(value, baseimg);
993 "[noalpha:filename.png"
994 Use an image without it's alpha channel.
995 Used for the leaves texture when in old leaves mode, so
996 that the transparent parts don't look completely black
997 when simple alpha channel is used for rendering.
999 else if(part_of_name.substr(0,8) == "[noalpha")
1003 dstream<<"WARNING: generate_image(): baseimg!=NULL "
1004 <<"for part_of_name=\""<<part_of_name
1005 <<"\", cancelling."<<std::endl;
1009 std::string filename = part_of_name.substr(9);
1011 std::string path = getTexturePath(filename.c_str());
1013 dstream<<"INFO: generate_image(): Loading path \""<<path
1016 video::IImage *image = driver->createImageFromFile(path.c_str());
1020 dstream<<"WARNING: generate_image(): Loading path \""
1021 <<path<<"\" failed"<<std::endl;
1025 core::dimension2d<u32> dim = image->getDimension();
1026 baseimg = driver->createImage(video::ECF_A8R8G8B8, dim);
1028 // Set alpha to full
1029 for(u32 y=0; y<dim.Height; y++)
1030 for(u32 x=0; x<dim.Width; x++)
1032 video::SColor c = image->getPixel(x,y);
1034 image->setPixel(x,y,c);
1037 image->copyTo(baseimg);
1043 [inventorycube{topimage{leftimage{rightimage
1044 In every subimage, replace ^ with &.
1045 Create an "inventory cube".
1046 NOTE: This should be used only on its own.
1047 Example (a grass block (not actually used in game):
1048 "[inventorycube{grass.png{mud.png&grass_side.png{mud.png&grass_side.png"
1050 else if(part_of_name.substr(0,14) == "[inventorycube")
1054 dstream<<"WARNING: generate_image(): baseimg!=NULL "
1055 <<"for part_of_name=\""<<part_of_name
1056 <<"\", cancelling."<<std::endl;
1060 str_replace_char(part_of_name, '&', '^');
1061 Strfnd sf(part_of_name);
1063 std::string imagename_top = sf.next("{");
1064 std::string imagename_left = sf.next("{");
1065 std::string imagename_right = sf.next("{");
1070 if(driver->queryFeature(video::EVDF_RENDER_TO_TARGET) == false)
1072 dstream<<"WARNING: generate_image(): EVDF_RENDER_TO_TARGET"
1073 " not supported. Creating fallback image"<<std::endl;
1074 baseimg = generate_image_from_scratch(
1075 imagename_top, device);
1081 //dstream<<"INFO: inventorycube w="<<w0<<" h="<<h0<<std::endl;
1082 core::dimension2d<u32> dim(w0,h0);
1084 // Generate images for the faces of the cube
1085 video::IImage *img_top = generate_image_from_scratch(
1086 imagename_top, device);
1087 video::IImage *img_left = generate_image_from_scratch(
1088 imagename_left, device);
1089 video::IImage *img_right = generate_image_from_scratch(
1090 imagename_right, device);
1091 assert(img_top && img_left && img_right);
1093 // TODO: Create textures from images
1094 video::ITexture *texture_top = driver->addTexture(
1095 (imagename_top + "__temp__").c_str(), img_top);
1096 assert(texture_top);
1103 // Create render target texture
1104 video::ITexture *rtt = NULL;
1105 std::string rtt_name = part_of_name + "_RTT";
1106 rtt = driver->addRenderTargetTexture(dim, rtt_name.c_str(),
1107 video::ECF_A8R8G8B8);
1110 // Set render target
1111 driver->setRenderTarget(rtt, true, true,
1112 video::SColor(0,0,0,0));
1114 // Get a scene manager
1115 scene::ISceneManager *smgr_main = device->getSceneManager();
1117 scene::ISceneManager *smgr = smgr_main->createNewSceneManager();
1122 - An unit cube is centered at 0,0,0
1123 - Camera looks at cube from Y+, Z- towards Y-, Z+
1124 NOTE: Cube has to be changed to something else because
1125 the textures cannot be set individually (or can they?)
1128 scene::ISceneNode* cube = smgr->addCubeSceneNode(1.0, NULL, -1,
1129 v3f(0,0,0), v3f(0, 45, 0));
1130 // Set texture of cube
1131 cube->setMaterialTexture(0, texture_top);
1132 //cube->setMaterialFlag(video::EMF_LIGHTING, false);
1133 cube->setMaterialFlag(video::EMF_ANTI_ALIASING, false);
1134 cube->setMaterialFlag(video::EMF_BILINEAR_FILTER, false);
1136 scene::ICameraSceneNode* camera = smgr->addCameraSceneNode(0,
1137 v3f(0, 1.0, -1.5), v3f(0, 0, 0));
1138 // Set orthogonal projection
1139 core::CMatrix4<f32> pm;
1140 pm.buildProjectionMatrixOrthoLH(1.65, 1.65, 0, 100);
1141 camera->setProjectionMatrix(pm, true);
1143 /*scene::ILightSceneNode *light =*/ smgr->addLightSceneNode(0,
1144 v3f(-50, 100, 0), video::SColorf(0.5,0.5,0.5), 1000);
1146 smgr->setAmbientLight(video::SColorf(0.2,0.2,0.2));
1149 driver->beginScene(true, true, video::SColor(0,0,0,0));
1153 // NOTE: The scene nodes should not be dropped, otherwise
1154 // smgr->drop() segfaults
1158 // Drop scene manager
1161 // Unset render target
1162 driver->setRenderTarget(0, true, true, 0);
1164 //TODO: Free textures of images
1165 driver->removeTexture(texture_top);
1167 // Create image of render target
1168 video::IImage *image = driver->createImage(rtt, v2s32(0,0), dim);
1172 baseimg = driver->createImage(video::ECF_A8R8G8B8, dim);
1176 image->copyTo(baseimg);
1183 dstream<<"WARNING: generate_image(): Invalid "
1184 " modification: \""<<part_of_name<<"\""<<std::endl;
1191 void make_progressbar(float value, video::IImage *image)
1196 core::dimension2d<u32> size = image->getDimension();
1198 u32 barheight = size.Height/16;
1199 u32 barpad_x = size.Width/16;
1200 u32 barpad_y = size.Height/16;
1201 u32 barwidth = size.Width - barpad_x*2;
1202 v2u32 barpos(barpad_x, size.Height - barheight - barpad_y);
1204 u32 barvalue_i = (u32)(((float)barwidth * value) + 0.5);
1206 video::SColor active(255,255,0,0);
1207 video::SColor inactive(255,0,0,0);
1208 for(u32 x0=0; x0<barwidth; x0++)
1215 u32 x = x0 + barpos.X;
1216 for(u32 y=barpos.Y; y<barpos.Y+barheight; y++)
1218 image->setPixel(x,y, *c);