// Check all filename extensions. Returns "" if not found.
fullpath = getImagePath(testpath);
}
-
- /*
- Check from $user/textures/all
- */
- if(fullpath == "")
- {
- std::string texture_path = porting::path_user + DIR_DELIM
- + "textures" + DIR_DELIM + "all";
- std::string testpath = texture_path + DIR_DELIM + filename;
- // Check all filename extensions. Returns "" if not found.
- fullpath = getImagePath(testpath);
- }
/*
Check from default data directory
return fullpath;
}
+void clearTextureNameCache()
+{
+ g_texturename_to_path_cache.clear();
+}
+
/*
Stores internal information about a texture.
*/
return NULL;
}
// Primarily fetches from cache, secondarily tries to read from filesystem
- video::IImage* getOrLoad(const std::string &name, IrrlichtDevice *m_device)
+ video::IImage* getOrLoad(const std::string &name, IrrlichtDevice *device)
{
std::map<std::string, video::IImage*>::iterator n;
n = m_images.find(name);
n->second->grab(); // Grab for caller
return n->second;
}
- video::IVideoDriver* driver = m_device->getVideoDriver();
+ video::IVideoDriver* driver = device->getVideoDriver();
std::string path = getTexturePath(name.c_str());
if(path == ""){
infostream<<"SourceImageCache::getOrLoad(): No path found for \""
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);
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
<<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();
}
}
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)
projects / dragonfireclient.git / blobdiff