last_dot_i = i;
break;
}
-
+
if(path[i] == '\\' || path[i] == '/')
break;
}
return path;
}
while((++ext) != NULL);
-
+
return "";
}
bool incache = g_texturename_to_path_cache.get(filename, &fullpath);
if(incache)
return fullpath;
-
+
/*
Check from texture_path
*/
// Check all filename extensions. Returns "" if not found.
fullpath = getImagePath(testpath);
}
-
+
// Add to cache (also an empty result is cached)
g_texturename_to_path_cache.set(filename, fullpath);
-
+
// Finally return it
return fullpath;
}
getTextureId("stone.png^mineral_coal.png^crack0").
*/
-
+
/*
Gets a texture id from cache or
- if main thread, from getTextureIdDirect
- if other thread, adds to request queue and waits for main thread
*/
u32 getTextureId(const std::string &name);
-
+
/*
Example names:
"stone.png"
// Processes queued texture requests from other threads.
// Shall be called from the main thread.
void processQueue();
-
+
// Insert an image into the cache without touching the filesystem.
// Shall be called from the main thread.
void insertSourceImage(const std::string &name, video::IImage *img);
-
+
// Rebuild images and textures from the current set of source images
// Shall be called from the main thread.
void rebuildImagesAndTextures();
-
+
// Render a mesh to a texture.
// Returns NULL if render-to-texture failed.
// Shall be called from the main thread.
video::ITexture* generateTextureFromMesh(
const TextureFromMeshParams ¶ms);
-
+
// Generates an image from a full string like
- // "stone.png^mineral_coal.png^[crack0".
+ // "stone.png^mineral_coal.png^[crack:1:0".
// Shall be called from the main thread.
video::IImage* generateImageFromScratch(std::string name);
- // Generate image based on a string like "stone.png" or "[crack0".
+ // Generate image based on a string like "stone.png" or "[crack:1:0".
// if baseimg is NULL, it is created. Otherwise stuff is made on it.
// Shall be called from the main thread.
bool generateImage(std::string part_of_name, video::IImage *& baseimg);
private:
-
+
// The id of the thread that is allowed to use irrlicht directly
threadid_t m_main_thread;
// The irrlicht device
IrrlichtDevice *m_device;
-
+
// Cache of source images
// This should be only accessed from the main thread
SourceImageCache m_sourcecache;
std::map<std::string, u32> m_name_to_id;
// The two former containers are behind this mutex
JMutex m_textureinfo_cache_mutex;
-
+
// Queued texture fetches (to be processed by the main thread)
RequestQueue<std::string, u32, u8, u8> m_get_texture_queue;
m_device(device)
{
assert(m_device);
-
- m_textureinfo_cache_mutex.Init();
-
+
m_main_thread = get_current_thread_id();
-
+
// Add a NULL TextureInfo as the first index, named ""
m_textureinfo_cache.push_back(TextureInfo(""));
m_name_to_id[""] = 0;
-
+
// Cache some settings
// Note: Since this is only done once, the game must be restarted
// for these settings to take effect
return n->second;
}
}
-
+
/*
Get texture
*/
infostream<<"getTextureId(): Queued: name=\""<<name<<"\""<<std::endl;
// We're gonna ask the result to be put into here
- ResultQueue<std::string, u32, u8, u8> result_queue;
-
+ static ResultQueue<std::string, u32, u8, u8> result_queue;
+
// Throw a request in
m_get_texture_queue.add(name, 0, 0, &result_queue);
-
- infostream<<"Waiting for texture from main thread, name=\""
- <<name<<"\""<<std::endl;
-
+
+ /*infostream<<"Waiting for texture from main thread, name=\""
+ <<name<<"\""<<std::endl;*/
+
try
{
- // Wait result for a second
- GetResult<std::string, u32, u8, u8>
+ while(true) {
+ // Wait result for a second
+ GetResult<std::string, u32, u8, u8>
result = result_queue.pop_front(1000);
-
- // Check that at least something worked OK
- assert(result.key == name);
- return result.item;
+ if (result.key == name) {
+ return result.item;
+ }
+ }
}
catch(ItemNotFoundException &e)
{
- infostream<<"Waiting for texture timed out."<<std::endl;
+ errorstream<<"Waiting for texture " << name << " timed out."<<std::endl;
return 0;
}
}
-
+
infostream<<"getTextureId(): Failed"<<std::endl;
return 0;
}
-// Overlay image on top of another image (used for cracks)
-void overlay(video::IImage *image, video::IImage *overlay);
-
// Draw an image on top of an another one, using the alpha channel of the
// source image
static void blit_with_alpha(video::IImage *src, video::IImage *dst,
v2s32 src_pos, v2s32 dst_pos, v2u32 size);
+// Like blit_with_alpha, but only modifies destination pixels that
+// are fully opaque
+static void blit_with_alpha_overlay(video::IImage *src, video::IImage *dst,
+ v2s32 src_pos, v2s32 dst_pos, v2u32 size);
+
+// Draw or overlay a crack
+static void draw_crack(video::IImage *crack, video::IImage *dst,
+ bool use_overlay, s32 frame_count, s32 progression,
+ video::IVideoDriver *driver);
+
// Brighten image
void brighten(video::IImage *image);
// Parse a transform name
infostream<<"getTextureIdDirect(): name is empty"<<std::endl;
return 0;
}
-
+
/*
Calling only allowed from main thread
*/
/*infostream<<"getTextureIdDirect(): \""<<name
<<"\" NOT found in cache. Creating it."<<std::endl;*/
-
+
/*
Get the base image
*/
is made.
*/
u32 base_image_id = 0;
-
+
// Find last meta separator in name
s32 last_separator_position = -1;
for(s32 i=name.size()-1; i>=0; i--)
<<base_image_name<<"\""<<std::endl;*/
base_image_id = getTextureIdDirect(base_image_name);
}
-
+
//infostream<<"base_image_id="<<base_image_id<<std::endl;
-
+
video::IVideoDriver* driver = m_device->getVideoDriver();
assert(driver);
An image will be built from files and then converted into a texture.
*/
video::IImage *baseimg = NULL;
-
+
// If a base image was found, copy it to baseimg
if(base_image_id != 0)
{
JMutexAutoLock lock(m_textureinfo_cache_mutex);
TextureInfo *ti = &m_textureinfo_cache[base_image_id];
-
+
if(ti->img == NULL)
{
infostream<<"getTextureIdDirect(): WARNING: NULL image in "
<<std::endl;*/
}
}
-
+
/*
Parse out the last part of the name of the image and act
according to it
errorstream<<"getTextureIdDirect(): baseimg is NULL (attempted to"
" create texture \""<<name<<"\""<<std::endl;
}
-
+
if(baseimg != NULL)
{
// Create texture from resulting image
t = driver->addTexture(name.c_str(), baseimg);
}
-
+
/*
Add texture to caches (add NULL textures too)
*/
JMutexAutoLock lock(m_textureinfo_cache_mutex);
-
+
u32 id = m_textureinfo_cache.size();
TextureInfo ti(name, t, baseimg);
m_textureinfo_cache.push_back(ti);
/*infostream<<"getTextureIdDirect(): "
<<"Returning id="<<id<<" for name \""<<name<<"\""<<std::endl;*/
-
+
return id;
}
<<m_textureinfo_cache.size()<<std::endl;
return "";
}
-
+
return m_textureinfo_cache[id].name;
}
/*
Fetch textures
*/
+ //NOTE this is only thread safe for ONE consumer thread!
if(!m_get_texture_queue.empty())
{
GetRequest<std::string, u32, u8, u8>
<<"name=\""<<request.key<<"\""
<<std::endl;*/
- GetResult<std::string, u32, u8, u8>
- result;
- result.key = request.key;
- result.callers = request.callers;
- result.item = getTextureIdDirect(request.key);
-
- request.dest->push_back(result);
+ m_get_texture_queue.pushResult(request,getTextureIdDirect(request.key));
}
}
void TextureSource::insertSourceImage(const std::string &name, video::IImage *img)
{
//infostream<<"TextureSource::insertSourceImage(): name="<<name<<std::endl;
-
+
assert(get_current_thread_id() == m_main_thread);
-
+
m_sourcecache.insert(name, img, true, m_device->getVideoDriver());
m_source_image_existence.set(name, true);
}
base_image_name = name.substr(0, last_separator_position);
baseimg = generateImageFromScratch(base_image_name);
}
-
+
/*
Parse out the last part of the name of the image and act
according to it
*/
std::string last_part_of_name = name.substr(last_separator_position+1);
-
+
// Generate image according to part of name
if(!generateImage(last_part_of_name, baseimg))
{
<<std::endl;
return NULL;
}
-
+
return baseimg;
}
//infostream<<"Setting "<<part_of_name<<" as base"<<std::endl;
/*
Copy it this way to get an alpha channel.
- Otherwise images with alpha cannot be blitted on
+ Otherwise images with alpha cannot be blitted on
images that don't have alpha in the original file.
*/
core::dimension2d<u32> dim = image->getDimension();
/*infostream<<"generateImage(): generating special "
<<"modification \""<<part_of_name<<"\""
<<std::endl;*/
-
+
/*
- [crackN
+ [crack:N:P
+ [cracko:N:P
Adds a cracking texture
+ N = animation frame count, P = crack progression
*/
if(part_of_name.substr(0,6) == "[crack")
{
<<"\", cancelling."<<std::endl;
return false;
}
-
+
// Crack image number and overlay option
- s32 progression = 0;
- bool use_overlay = false;
- if(part_of_name.substr(6,1) == "o")
- {
- progression = stoi(part_of_name.substr(7));
- use_overlay = true;
- }
- else
- {
- progression = stoi(part_of_name.substr(6));
- use_overlay = false;
- }
+ bool use_overlay = (part_of_name[6] == 'o');
+ Strfnd sf(part_of_name);
+ sf.next(":");
+ s32 frame_count = stoi(sf.next(":"));
+ s32 progression = stoi(sf.next(":"));
- // Size of the base image
- core::dimension2d<u32> dim_base = baseimg->getDimension();
-
/*
Load crack image.
*/
video::IImage *img_crack = m_sourcecache.getOrLoad(
"crack_anylength.png", m_device);
-
+
if(img_crack && progression >= 0)
{
- // Dimension of original image
- core::dimension2d<u32> dim_crack
- = img_crack->getDimension();
- // Count of crack stages
- s32 crack_count = dim_crack.Height / dim_crack.Width;
- // Limit progression
- if(progression > crack_count-1)
- progression = crack_count-1;
- // Dimension of a single crack stage
- core::dimension2d<u32> dim_crack_cropped(
- dim_crack.Width,
- dim_crack.Width
- );
- // Create cropped and scaled crack images
- video::IImage *img_crack_cropped = driver->createImage(
- video::ECF_A8R8G8B8, dim_crack_cropped);
- video::IImage *img_crack_scaled = driver->createImage(
- video::ECF_A8R8G8B8, dim_base);
-
- if(img_crack_cropped && img_crack_scaled)
- {
- // Crop crack image
- v2s32 pos_crack(0, progression*dim_crack.Width);
- img_crack->copyTo(img_crack_cropped,
- v2s32(0,0),
- core::rect<s32>(pos_crack, dim_crack_cropped));
- // Scale crack image by copying
- img_crack_cropped->copyToScaling(img_crack_scaled);
- // Copy or overlay crack image
- if(use_overlay)
- {
- overlay(baseimg, img_crack_scaled);
- }
- else
- {
- /*img_crack_scaled->copyToWithAlpha(
- baseimg,
- v2s32(0,0),
- core::rect<s32>(v2s32(0,0), dim_base),
- video::SColor(255,255,255,255));*/
- blit_with_alpha(img_crack_scaled, baseimg,
- v2s32(0,0), v2s32(0,0), dim_base);
- }
- }
-
- if(img_crack_scaled)
- img_crack_scaled->drop();
-
- if(img_crack_cropped)
- img_crack_cropped->drop();
-
+ draw_crack(img_crack, baseimg,
+ use_overlay, frame_count,
+ progression, driver);
img_crack->drop();
}
}
"[noalpha"
Make image completely opaque.
Used for the leaves texture when in old leaves mode, so
- that the transparent parts don't look completely black
+ that the transparent parts don't look completely black
when simple alpha channel is used for rendering.
*/
else if(part_of_name.substr(0,8) == "[noalpha")
}
core::dimension2d<u32> dim = baseimg->getDimension();
-
+
// Set alpha to full
for(u32 y=0; y<dim.Height; y++)
for(u32 x=0; x<dim.Width; x++)
std::string filename = sf.next("");
core::dimension2d<u32> dim = baseimg->getDimension();
-
+
/*video::IImage *oldbaseimg = baseimg;
baseimg = driver->createImage(video::ECF_A8R8G8B8, dim);
oldbaseimg->copyTo(baseimg);
img_top->drop();
img_left->drop();
img_right->drop();
-
+
/*
Draw a cube mesh into a render target texture
*/
params.light_position.set(10, 100, -50);
params.light_color.set(1.0, 0.5, 0.5, 0.5);
params.light_radius = 1000;
-
+
video::ITexture *rtt = generateTextureFromMesh(params);
-
+
// Drop mesh
cube->drop();
driver->removeTexture(texture_top);
driver->removeTexture(texture_left);
driver->removeTexture(texture_right);
-
+
if(rtt == NULL)
{
baseimg = generateImageFromScratch(imagename_top);
<<"\", cancelling."<<std::endl;
return false;
}
-
+
v2u32 frame_size = baseimg->getDimension();
frame_size.Y /= frame_count;
return true;
}
-void overlay(video::IImage *image, video::IImage *overlay)
-{
- /*
- Copy overlay to image, taking alpha into account.
- Where image is transparent, don't copy from overlay.
- Images sizes must be identical.
- */
- if(image == NULL || overlay == NULL)
- return;
-
- core::dimension2d<u32> dim = image->getDimension();
- core::dimension2d<u32> dim_overlay = overlay->getDimension();
- assert(dim == dim_overlay);
-
- for(u32 y=0; y<dim.Height; y++)
- for(u32 x=0; x<dim.Width; x++)
- {
- video::SColor c1 = image->getPixel(x,y);
- video::SColor c2 = overlay->getPixel(x,y);
- u32 a1 = c1.getAlpha();
- u32 a2 = c2.getAlpha();
- if(a1 == 255 && a2 != 0)
- {
- c1.setRed((c1.getRed()*(255-a2) + c2.getRed()*a2)/255);
- c1.setGreen((c1.getGreen()*(255-a2) + c2.getGreen()*a2)/255);
- c1.setBlue((c1.getBlue()*(255-a2) + c2.getBlue()*a2)/255);
- }
- image->setPixel(x,y,c1);
- }
-}
-
/*
Draw an image on top of an another one, using the alpha channel of the
source image
}
}
+/*
+ Draw an image on top of an another one, using the alpha channel of the
+ source image; only modify fully opaque pixels in destinaion
+*/
+static void blit_with_alpha_overlay(video::IImage *src, video::IImage *dst,
+ v2s32 src_pos, v2s32 dst_pos, v2u32 size)
+{
+ for(u32 y0=0; y0<size.Y; y0++)
+ for(u32 x0=0; x0<size.X; x0++)
+ {
+ s32 src_x = src_pos.X + x0;
+ s32 src_y = src_pos.Y + y0;
+ s32 dst_x = dst_pos.X + x0;
+ s32 dst_y = dst_pos.Y + y0;
+ video::SColor src_c = src->getPixel(src_x, src_y);
+ video::SColor dst_c = dst->getPixel(dst_x, dst_y);
+ if(dst_c.getAlpha() == 255 && src_c.getAlpha() != 0)
+ {
+ dst_c = src_c.getInterpolated(dst_c, (float)src_c.getAlpha()/255.0f);
+ dst->setPixel(dst_x, dst_y, dst_c);
+ }
+ }
+}
+
+static void draw_crack(video::IImage *crack, video::IImage *dst,
+ bool use_overlay, s32 frame_count, s32 progression,
+ video::IVideoDriver *driver)
+{
+ // Dimension of destination image
+ core::dimension2d<u32> dim_dst = dst->getDimension();
+ // Dimension of original image
+ core::dimension2d<u32> dim_crack = crack->getDimension();
+ // Count of crack stages
+ s32 crack_count = dim_crack.Height / dim_crack.Width;
+ // Limit frame_count
+ if(frame_count > (s32) dim_dst.Height)
+ frame_count = dim_dst.Height;
+ if(frame_count < 1)
+ frame_count = 1;
+ // Limit progression
+ if(progression > crack_count-1)
+ progression = crack_count-1;
+ // Dimension of a single crack stage
+ core::dimension2d<u32> dim_crack_cropped(
+ dim_crack.Width,
+ dim_crack.Width
+ );
+ // Dimension of the scaled crack stage,
+ // which is the same as the dimension of a single destination frame
+ core::dimension2d<u32> dim_crack_scaled(
+ dim_dst.Width,
+ dim_dst.Height / frame_count
+ );
+ // Create cropped and scaled crack images
+ video::IImage *crack_cropped = driver->createImage(
+ video::ECF_A8R8G8B8, dim_crack_cropped);
+ video::IImage *crack_scaled = driver->createImage(
+ video::ECF_A8R8G8B8, dim_crack_scaled);
+
+ if(crack_cropped && crack_scaled)
+ {
+ // Crop crack image
+ v2s32 pos_crack(0, progression*dim_crack.Width);
+ crack->copyTo(crack_cropped,
+ v2s32(0,0),
+ core::rect<s32>(pos_crack, dim_crack_cropped));
+ // Scale crack image by copying
+ crack_cropped->copyToScaling(crack_scaled);
+ // Copy or overlay crack image onto each frame
+ for(s32 i = 0; i < frame_count; ++i)
+ {
+ v2s32 dst_pos(0, dim_crack_scaled.Height * i);
+ if(use_overlay)
+ {
+ blit_with_alpha_overlay(crack_scaled, dst,
+ v2s32(0,0), dst_pos,
+ dim_crack_scaled);
+ }
+ else
+ {
+ blit_with_alpha(crack_scaled, dst,
+ v2s32(0,0), dst_pos,
+ dim_crack_scaled);
+ }
+ }
+ }
+
+ if(crack_scaled)
+ crack_scaled->drop();
+
+ if(crack_cropped)
+ crack_cropped->drop();
+}
+
void brighten(video::IImage *image)
{
if(image == NULL)
return;
-
+
core::dimension2d<u32> dim = image->getDimension();
for(u32 y=0; y<dim.Height; y++)
{
if(src == NULL || dst == NULL)
return;
-
+
core::dimension2d<u32> srcdim = src->getDimension();
core::dimension2d<u32> dstdim = dst->getDimension();