Added ratio argument to colorize, removed the weird alpha-based ratio.
authorTriBlade9 <triblade9@mail.com>
Mon, 19 Jan 2015 06:15:20 +0000 (14:15 +0800)
committerCraig Robbins <kde.psych@gmail.com>
Tue, 20 Jan 2015 12:56:20 +0000 (22:56 +1000)
doc/lua_api.txt
src/tile.cpp

index 6359ef6dee51f6d1d455dcc72f88bec128511db7..586c520fc0774de0e8689c173e06d0b562bfca3c 100644 (file)
@@ -337,9 +337,11 @@ Apply a mask to the base image.
 
 The mask is applied using binary AND.
 
-#### `[colorize:<color>`
+#### `[colorize:<color>:<ratio>`
 Colorize the textures with the given color.
 `<color>` is specified as a `ColorString`.
+`<ratio>` is an int ranging from 0 to 255, and specifies how much of the
+color to apply. If ommitted, the alpha will be used.
 
 Sounds
 ------
@@ -3259,4 +3261,3 @@ Definition tables
         playername = "singleplayer"
     --  ^ Playername is optional, if specified spawns particle only on the player's client
     }
-
index 560dcddb87dcb3dcd606ff250fad88ebf713f722..81b362d616f2c61e249fea235c1dca49b996bbf9 100644 (file)
@@ -54,23 +54,23 @@ MutexedMap<std::string, std::string> g_texturename_to_path_cache;
 */
 static bool replace_ext(std::string &path, const char *ext)
 {
-       if(ext == NULL)
+       if (ext == NULL)
                return false;
        // Find place of last dot, fail if \ or / found.
        s32 last_dot_i = -1;
-       for(s32 i=path.size()-1; i>=0; i--)
+       for (s32 i=path.size()-1; i>=0; i--)
        {
-               if(path[i] == '.')
+               if (path[i] == '.')
                {
                        last_dot_i = i;
                        break;
                }
 
-               if(path[i] == '\\' || path[i] == '/')
+               if (path[i] == '\\' || path[i] == '/')
                        break;
        }
        // If not found, return an empty string
-       if(last_dot_i == -1)
+       if (last_dot_i == -1)
                return false;
        // Else make the new path
        path = path.substr(0, last_dot_i+1) + ext;
@@ -92,15 +92,15 @@ std::string getImagePath(std::string path)
                NULL
        };
        // If there is no extension, add one
-       if(removeStringEnd(path, extensions) == "")
+       if (removeStringEnd(path, extensions) == "")
                path = path + ".png";
        // Check paths until something is found to exist
        const char **ext = extensions;
        do{
                bool r = replace_ext(path, *ext);
-               if(r == false)
+               if (r == false)
                        return "";
-               if(fs::PathExists(path))
+               if (fs::PathExists(path))
                        return path;
        }
        while((++ext) != NULL);
@@ -125,14 +125,14 @@ std::string getTexturePath(const std::string &filename)
                Check from cache
        */
        bool incache = g_texturename_to_path_cache.get(filename, &fullpath);
-       if(incache)
+       if (incache)
                return fullpath;
 
        /*
                Check from texture_path
        */
        std::string texture_path = g_settings->get("texture_path");
-       if(texture_path != "")
+       if (texture_path != "")
        {
                std::string testpath = texture_path + DIR_DELIM + filename;
                // Check all filename extensions. Returns "" if not found.
@@ -142,7 +142,7 @@ std::string getTexturePath(const std::string &filename)
        /*
                Check from default data directory
        */
-       if(fullpath == "")
+       if (fullpath == "")
        {
                std::string base_path = porting::path_share + DIR_DELIM + "textures"
                                + DIR_DELIM + "base" + DIR_DELIM + "pack";
@@ -190,7 +190,7 @@ class SourceImageCache
 {
 public:
        ~SourceImageCache() {
-               for(std::map<std::string, video::IImage*>::iterator iter = m_images.begin();
+               for (std::map<std::string, video::IImage*>::iterator iter = m_images.begin();
                                iter != m_images.end(); iter++) {
                        iter->second->drop();
                }
@@ -203,8 +203,8 @@ public:
                // Remove old image
                std::map<std::string, video::IImage*>::iterator n;
                n = m_images.find(name);
-               if(n != m_images.end()){
-                       if(n->second)
+               if (n != m_images.end()){
+                       if (n->second)
                                n->second->drop();
                }
 
@@ -212,11 +212,11 @@ public:
                bool need_to_grab = true;
 
                // Try to use local texture instead if asked to
-               if(prefer_local){
+               if (prefer_local){
                        std::string path = getTexturePath(name);
-                       if(path != ""){
+                       if (path != ""){
                                video::IImage *img2 = driver->createImageFromFile(path.c_str());
-                               if(img2){
+                               if (img2){
                                        toadd = img2;
                                        need_to_grab = false;
                                }
@@ -231,7 +231,7 @@ public:
        {
                std::map<std::string, video::IImage*>::iterator n;
                n = m_images.find(name);
-               if(n != m_images.end())
+               if (n != m_images.end())
                        return n->second;
                return NULL;
        }
@@ -240,13 +240,13 @@ public:
        {
                std::map<std::string, video::IImage*>::iterator n;
                n = m_images.find(name);
-               if(n != m_images.end()){
+               if (n != m_images.end()){
                        n->second->grab(); // Grab for caller
                        return n->second;
                }
                video::IVideoDriver* driver = device->getVideoDriver();
                std::string path = getTexturePath(name);
-               if(path == ""){
+               if (path == ""){
                        infostream<<"SourceImageCache::getOrLoad(): No path found for \""
                                        <<name<<"\""<<std::endl;
                        return NULL;
@@ -255,7 +255,7 @@ public:
                                <<"\""<<std::endl;
                video::IImage *img = driver->createImageFromFile(path.c_str());
 
-               if(img){
+               if (img){
                        m_images[name] = img;
                        img->grab(); // Grab for caller
                }
@@ -341,7 +341,7 @@ public:
        {
                bool is_known = false;
                bool cache_found = m_source_image_existence.get(name, &is_known);
-               if(cache_found)
+               if (cache_found)
                        return is_known;
                // Not found in cache; find out if a local file exists
                is_known = (getTexturePath(name) != "");
@@ -480,7 +480,7 @@ u32 TextureSource::getTextureId(const std::string &name)
                JMutexAutoLock lock(m_textureinfo_cache_mutex);
                std::map<std::string, u32>::iterator n;
                n = m_name_to_id.find(name);
-               if(n != m_name_to_id.end())
+               if (n != m_name_to_id.end())
                {
                        return n->second;
                }
@@ -489,7 +489,7 @@ u32 TextureSource::getTextureId(const std::string &name)
        /*
                Get texture
        */
-       if(get_current_thread_id() == m_main_thread)
+       if (get_current_thread_id() == m_main_thread)
        {
                return generateTexture(name);
        }
@@ -540,6 +540,11 @@ static void blit_with_alpha(video::IImage *src, video::IImage *dst,
 static void blit_with_alpha_overlay(video::IImage *src, video::IImage *dst,
                v2s32 src_pos, v2s32 dst_pos, v2u32 size);
 
+// Like blit_with_alpha overlay, but uses an int to calculate the ratio
+// and modifies any destination pixels that are not fully transparent
+static void blit_with_interpolate_overlay(video::IImage *src, video::IImage *dst,
+               v2s32 src_pos, v2s32 dst_pos, v2u32 size, int ratio);
+
 // Apply a mask to an image
 static void apply_mask(video::IImage *mask, video::IImage *dst,
                v2s32 mask_pos, v2s32 dst_pos, v2u32 size);
@@ -626,7 +631,7 @@ std::string TextureSource::getTextureName(u32 id)
 {
        JMutexAutoLock lock(m_textureinfo_cache_mutex);
 
-       if(id >= m_textureinfo_cache.size())
+       if (id >= m_textureinfo_cache.size())
        {
                errorstream<<"TextureSource::getTextureName(): id="<<id
                                <<" >= m_textureinfo_cache.size()="
@@ -641,7 +646,7 @@ video::ITexture* TextureSource::getTexture(u32 id)
 {
        JMutexAutoLock lock(m_textureinfo_cache_mutex);
 
-       if(id >= m_textureinfo_cache.size())
+       if (id >= m_textureinfo_cache.size())
                return NULL;
 
        return m_textureinfo_cache[id].texture;
@@ -650,7 +655,7 @@ video::ITexture* TextureSource::getTexture(u32 id)
 video::ITexture* TextureSource::getTexture(const std::string &name, u32 *id)
 {
        u32 actual_id = getTextureId(name);
-       if(id){
+       if (id){
                *id = actual_id;
        }
        return getTexture(actual_id);
@@ -662,7 +667,7 @@ void TextureSource::processQueue()
                Fetch textures
        */
        //NOTE this is only thread safe for ONE consumer thread!
-       if(!m_get_texture_queue.empty())
+       if (!m_get_texture_queue.empty())
        {
                GetRequest<std::string, u32, u8, u8>
                                request = m_get_texture_queue.pop();
@@ -694,7 +699,7 @@ void TextureSource::rebuildImagesAndTextures()
        assert(driver != 0);
 
        // Recreate textures
-       for(u32 i=0; i<m_textureinfo_cache.size(); i++){
+       for (u32 i=0; i<m_textureinfo_cache.size(); i++){
                TextureInfo *ti = &m_textureinfo_cache[i];
                video::IImage *img = generateImage(ti->name);
 #ifdef __ANDROID__
@@ -836,17 +841,17 @@ video::ITexture* TextureSource::generateTextureFromMesh(
 
                driver->makeColorKeyTexture(rtt, v2s32(0,0));
 
-               if(params.delete_texture_on_shutdown)
+               if (params.delete_texture_on_shutdown)
                        m_texture_trash.push_back(rtt);
 
                return rtt;
        }
 #endif
 
-       if(driver->queryFeature(video::EVDF_RENDER_TO_TARGET) == false)
+       if (driver->queryFeature(video::EVDF_RENDER_TO_TARGET) == false)
        {
                static bool warned = false;
-               if(!warned)
+               if (!warned)
                {
                        errorstream<<"TextureSource::generateTextureFromMesh(): "
                                <<"EVDF_RENDER_TO_TARGET not supported."<<std::endl;
@@ -859,7 +864,7 @@ video::ITexture* TextureSource::generateTextureFromMesh(
        video::ITexture *rtt = driver->addRenderTargetTexture(
                        params.dim, params.rtt_texture_name.c_str(),
                        video::ECF_A8R8G8B8);
-       if(rtt == NULL)
+       if (rtt == NULL)
        {
                errorstream<<"TextureSource::generateTextureFromMesh(): "
                        <<"addRenderTargetTexture returned NULL."<<std::endl;
@@ -911,7 +916,7 @@ video::ITexture* TextureSource::generateTextureFromMesh(
        // Unset render target
        driver->setRenderTarget(0, false, true, 0);
 
-       if(params.delete_texture_on_shutdown)
+       if (params.delete_texture_on_shutdown)
                m_texture_trash.push_back(rtt);
 
        return rtt;
@@ -930,7 +935,7 @@ video::IImage* TextureSource::generateImage(const std::string &name)
        // Find last separator in the name
        s32 last_separator_pos = -1;
        u8 paren_bal = 0;
-       for(s32 i = name.size() - 1; i >= 0; i--) {
+       for (s32 i = name.size() - 1; i >= 0; i--) {
                switch(name[i]) {
                case separator:
                        if (paren_bal == 0) {
@@ -1030,7 +1035,7 @@ video::IImage* TextureSource::generateImage(const std::string &name)
 video::IImage * Align2Npot2(video::IImage * image,
                video::IVideoDriver* driver)
 {
-       if(image == NULL) {
+       if (image == NULL) {
                return image;
        }
 
@@ -1077,7 +1082,7 @@ bool TextureSource::generateImagePart(std::string part_of_name,
        assert(driver);
 
        // Stuff starting with [ are special commands
-       if(part_of_name.size() == 0 || part_of_name[0] != '[')
+       if (part_of_name.size() == 0 || part_of_name[0] != '[')
        {
                video::IImage *image = m_sourcecache.getOrLoad(part_of_name, m_device);
 #ifdef __ANDROID__
@@ -1118,7 +1123,7 @@ bool TextureSource::generateImagePart(std::string part_of_name,
                }
 
                // If base image is NULL, load as base.
-               if(baseimg == NULL)
+               if (baseimg == NULL)
                {
                        //infostream<<"Setting "<<part_of_name<<" as base"<<std::endl;
                        /*
@@ -1165,7 +1170,7 @@ bool TextureSource::generateImagePart(std::string part_of_name,
                        Adds a cracking texture
                        N = animation frame count, P = crack progression
                */
-               if(part_of_name.substr(0,6) == "[crack")
+               if (part_of_name.substr(0,6) == "[crack")
                {
                        if (baseimg == NULL) {
                                errorstream<<"generateImagePart(): baseimg == NULL "
@@ -1190,7 +1195,7 @@ bool TextureSource::generateImagePart(std::string part_of_name,
                        video::IImage *img_crack = m_sourcecache.getOrLoad(
                                        "crack_anylength.png", m_device);
 
-                       if(img_crack && progression >= 0)
+                       if (img_crack && progression >= 0)
                        {
                                draw_crack(img_crack, baseimg,
                                                use_overlay, frame_count,
@@ -1202,7 +1207,7 @@ bool TextureSource::generateImagePart(std::string part_of_name,
                        [combine:WxH:X,Y=filename:X,Y=filename2
                        Creates a bigger texture from an amount of smaller ones
                */
-               else if(part_of_name.substr(0,8) == "[combine")
+               else if (part_of_name.substr(0,8) == "[combine")
                {
                        Strfnd sf(part_of_name);
                        sf.next(":");
@@ -1246,7 +1251,7 @@ bool TextureSource::generateImagePart(std::string part_of_name,
                /*
                        "[brighten"
                */
-               else if(part_of_name.substr(0,9) == "[brighten")
+               else if (part_of_name.substr(0,9) == "[brighten")
                {
                        if (baseimg == NULL) {
                                errorstream<<"generateImagePart(): baseimg==NULL "
@@ -1264,7 +1269,7 @@ bool TextureSource::generateImagePart(std::string part_of_name,
                        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")
+               else if (part_of_name.substr(0,8) == "[noalpha")
                {
                        if (baseimg == NULL){
                                errorstream<<"generateImagePart(): baseimg==NULL "
@@ -1276,8 +1281,8 @@ bool TextureSource::generateImagePart(std::string part_of_name,
                        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++)
+                       for (u32 y=0; y<dim.Height; y++)
+                       for (u32 x=0; x<dim.Width; x++)
                        {
                                video::SColor c = baseimg->getPixel(x,y);
                                c.setAlpha(255);
@@ -1288,7 +1293,7 @@ bool TextureSource::generateImagePart(std::string part_of_name,
                        "[makealpha:R,G,B"
                        Convert one color to transparent.
                */
-               else if(part_of_name.substr(0,11) == "[makealpha:")
+               else if (part_of_name.substr(0,11) == "[makealpha:")
                {
                        if (baseimg == NULL) {
                                errorstream<<"generateImagePart(): baseimg == NULL "
@@ -1311,14 +1316,14 @@ bool TextureSource::generateImagePart(std::string part_of_name,
                        oldbaseimg->drop();*/
 
                        // Set alpha to full
-                       for(u32 y=0; y<dim.Height; y++)
-                       for(u32 x=0; x<dim.Width; x++)
+                       for (u32 y=0; y<dim.Height; y++)
+                       for (u32 x=0; x<dim.Width; x++)
                        {
                                video::SColor c = baseimg->getPixel(x,y);
                                u32 r = c.getRed();
                                u32 g = c.getGreen();
                                u32 b = c.getBlue();
-                               if(!(r == r1 && g == g1 && b == b1))
+                               if (!(r == r1 && g == g1 && b == b1))
                                        continue;
                                c.setAlpha(0);
                                baseimg->setPixel(x,y,c);
@@ -1344,7 +1349,7 @@ bool TextureSource::generateImagePart(std::string part_of_name,
                        The resulting transform will be equivalent to one of the
                        eight existing ones, though (see: dihedral group).
                */
-               else if(part_of_name.substr(0,10) == "[transform")
+               else if (part_of_name.substr(0,10) == "[transform")
                {
                        if (baseimg == NULL) {
                                errorstream<<"generateImagePart(): baseimg == NULL "
@@ -1371,7 +1376,7 @@ bool TextureSource::generateImagePart(std::string part_of_name,
                        Example (a grass block (not actually used in game):
                        "[inventorycube{grass.png{mud.png&grass_side.png{mud.png&grass_side.png"
                */
-               else if(part_of_name.substr(0,14) == "[inventorycube")
+               else if (part_of_name.substr(0,14) == "[inventorycube")
                {
                        if (baseimg != NULL){
                                errorstream<<"generateImagePart(): baseimg != NULL "
@@ -1488,7 +1493,7 @@ bool TextureSource::generateImagePart(std::string part_of_name,
                        [lowpart:percent:filename
                        Adds the lower part of a texture
                */
-               else if(part_of_name.substr(0,9) == "[lowpart:")
+               else if (part_of_name.substr(0,9) == "[lowpart:")
                {
                        Strfnd sf(part_of_name);
                        sf.next(":");
@@ -1496,10 +1501,10 @@ bool TextureSource::generateImagePart(std::string part_of_name,
                        std::string filename = sf.next(":");
                        //infostream<<"power part "<<percent<<"%% of "<<filename<<std::endl;
 
-                       if(baseimg == NULL)
+                       if (baseimg == NULL)
                                baseimg = driver->createImage(video::ECF_A8R8G8B8, v2u32(16,16));
                        video::IImage *img = m_sourcecache.getOrLoad(filename, m_device);
-                       if(img)
+                       if (img)
                        {
                                core::dimension2d<u32> dim = img->getDimension();
                                core::position2d<s32> pos_base(0, 0);
@@ -1524,14 +1529,14 @@ bool TextureSource::generateImagePart(std::string part_of_name,
                        Crops a frame of a vertical animation.
                        N = frame count, I = frame index
                */
-               else if(part_of_name.substr(0,15) == "[verticalframe:")
+               else if (part_of_name.substr(0,15) == "[verticalframe:")
                {
                        Strfnd sf(part_of_name);
                        sf.next(":");
                        u32 frame_count = stoi(sf.next(":"));
                        u32 frame_index = stoi(sf.next(":"));
 
-                       if(baseimg == NULL){
+                       if (baseimg == NULL){
                                errorstream<<"generateImagePart(): baseimg != NULL "
                                                <<"for part_of_name=\""<<part_of_name
                                                <<"\", cancelling."<<std::endl;
@@ -1543,7 +1548,7 @@ bool TextureSource::generateImagePart(std::string part_of_name,
 
                        video::IImage *img = driver->createImage(video::ECF_A8R8G8B8,
                                        frame_size);
-                       if(!img){
+                       if (!img){
                                errorstream<<"generateImagePart(): Could not create image "
                                                <<"for part_of_name=\""<<part_of_name
                                                <<"\", cancelling."<<std::endl;
@@ -1568,7 +1573,7 @@ bool TextureSource::generateImagePart(std::string part_of_name,
                        [mask:filename
                        Applies a mask to an image
                */
-               else if(part_of_name.substr(0,6) == "[mask:")
+               else if (part_of_name.substr(0,6) == "[mask:")
                {
                        if (baseimg == NULL) {
                                errorstream << "generateImage(): baseimg == NULL "
@@ -1598,6 +1603,7 @@ bool TextureSource::generateImagePart(std::string part_of_name,
                        Strfnd sf(part_of_name);
                        sf.next(":");
                        std::string color_str = sf.next(":");
+                       std::string ratio_str = sf.next(":");
 
                        if (baseimg == NULL) {
                                errorstream << "generateImagePart(): baseimg != NULL "
@@ -1607,9 +1613,14 @@ bool TextureSource::generateImagePart(std::string part_of_name,
                        }
 
                        video::SColor color;
+                       int ratio = -1;
+
                        if (!parseColorString(color_str, color, false))
                                return false;
-                       
+
+                       if (is_number(ratio_str))
+                               ratio = mystoi(ratio_str, 0, 255);
+
                        core::dimension2d<u32> dim = baseimg->getDimension();
                        video::IImage *img = driver->createImage(video::ECF_A8R8G8B8, dim);
 
@@ -1622,7 +1633,7 @@ bool TextureSource::generateImagePart(std::string part_of_name,
 
                        img->fill(video::SColor(color));
                        // Overlay the colored image
-                       blit_with_alpha_overlay(img, baseimg, v2s32(0,0), v2s32(0,0), dim);
+                       blit_with_interpolate_overlay(img, baseimg, v2s32(0,0), v2s32(0,0), dim, ratio);
                        img->drop();
                }
                else
@@ -1645,8 +1656,8 @@ bool TextureSource::generateImagePart(std::string part_of_name,
 static void blit_with_alpha(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++)
+       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;
@@ -1666,8 +1677,8 @@ static void blit_with_alpha(video::IImage *src, video::IImage *dst,
 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++)
+       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;
@@ -1675,7 +1686,7 @@ static void blit_with_alpha_overlay(video::IImage *src, video::IImage *dst,
                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)
+               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);
@@ -1683,14 +1694,41 @@ static void blit_with_alpha_overlay(video::IImage *src, video::IImage *dst,
        }
 }
 
+/*
+       Draw an image on top of an another one, using the specified ratio
+       modify all partially-opaque pixels in the destination.
+*/
+static void blit_with_interpolate_overlay(video::IImage *src, video::IImage *dst,
+               v2s32 src_pos, v2s32 dst_pos, v2u32 size, int ratio)
+{
+       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() > 0 && src_c.getAlpha() != 0)
+               {
+                       if (ratio == -1)
+                               dst_c = src_c.getInterpolated(dst_c, (float)src_c.getAlpha()/255.0f);
+                       else
+                               dst_c = src_c.getInterpolated(dst_c, (float)ratio/255.0f);
+                       dst->setPixel(dst_x, dst_y, dst_c);
+               }
+       }
+}
+
 /*
        Apply mask to destination
 */
 static void apply_mask(video::IImage *mask, video::IImage *dst,
                v2s32 mask_pos, v2s32 dst_pos, v2u32 size)
 {
-       for(u32 y0 = 0; y0 < size.Y; y0++) {
-               for(u32 x0 = 0; x0 < size.X; x0++) {
+       for (u32 y0 = 0; y0 < size.Y; y0++) {
+               for (u32 x0 = 0; x0 < size.X; x0++) {
                        s32 mask_x = x0 + mask_pos.X;
                        s32 mask_y = y0 + mask_pos.Y;
                        s32 dst_x = x0 + dst_pos.X;
@@ -1714,12 +1752,12 @@ static void draw_crack(video::IImage *crack, video::IImage *dst,
        // Count of crack stages
        s32 crack_count = dim_crack.Height / dim_crack.Width;
        // Limit frame_count
-       if(frame_count > (s32) dim_dst.Height)
+       if (frame_count > (s32) dim_dst.Height)
                frame_count = dim_dst.Height;
-       if(frame_count < 1)
+       if (frame_count < 1)
                frame_count = 1;
        // Limit progression
-       if(progression > crack_count-1)
+       if (progression > crack_count-1)
                progression = crack_count-1;
        // Dimension of a single crack stage
        core::dimension2d<u32> dim_crack_cropped(
@@ -1738,7 +1776,7 @@ static void draw_crack(video::IImage *crack, video::IImage *dst,
        video::IImage *crack_scaled = driver->createImage(
                        video::ECF_A8R8G8B8, dim_crack_scaled);
 
-       if(crack_cropped && crack_scaled)
+       if (crack_cropped && crack_scaled)
        {
                // Crop crack image
                v2s32 pos_crack(0, progression*dim_crack.Width);
@@ -1748,10 +1786,10 @@ static void draw_crack(video::IImage *crack, video::IImage *dst,
                // 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)
+               for (s32 i = 0; i < frame_count; ++i)
                {
                        v2s32 dst_pos(0, dim_crack_scaled.Height * i);
-                       if(use_overlay)
+                       if (use_overlay)
                        {
                                blit_with_alpha_overlay(crack_scaled, dst,
                                                v2s32(0,0), dst_pos,
@@ -1766,22 +1804,22 @@ static void draw_crack(video::IImage *crack, video::IImage *dst,
                }
        }
 
-       if(crack_scaled)
+       if (crack_scaled)
                crack_scaled->drop();
 
-       if(crack_cropped)
+       if (crack_cropped)
                crack_cropped->drop();
 }
 
 void brighten(video::IImage *image)
 {
-       if(image == NULL)
+       if (image == NULL)
                return;
 
        core::dimension2d<u32> dim = image->getDimension();
 
-       for(u32 y=0; y<dim.Height; y++)
-       for(u32 x=0; x<dim.Width; x++)
+       for (u32 y=0; y<dim.Height; y++)
+       for (u32 x=0; x<dim.Width; x++)
        {
                video::SColor c = image->getPixel(x,y);
                c.setRed(0.5 * 255 + 0.5 * (float)c.getRed());
@@ -1807,17 +1845,17 @@ u32 parseImageTransform(const std::string& s)
        while(pos < s.size())
        {
                int transform = -1;
-               for(int i = 0; i <= 7; ++i)
+               for (int i = 0; i <= 7; ++i)
                {
                        const std::string &name_i = transform_names[i];
 
-                       if(s[pos] == ('0' + i))
+                       if (s[pos] == ('0' + i))
                        {
                                transform = i;
                                pos++;
                                break;
                        }
-                       else if(!(name_i.empty()) &&
+                       else if (!(name_i.empty()) &&
                                lowercase(s.substr(pos, name_i.size())) == name_i)
                        {
                                transform = i;
@@ -1825,16 +1863,16 @@ u32 parseImageTransform(const std::string& s)
                                break;
                        }
                }
-               if(transform < 0)
+               if (transform < 0)
                        break;
 
                // Multiply total_transform and transform in the group D4
                int new_total = 0;
-               if(transform < 4)
+               if (transform < 4)
                        new_total = (transform + total_transform) % 4;
                else
                        new_total = (transform - total_transform + 8) % 4;
-               if((transform >= 4) ^ (total_transform >= 4))
+               if ((transform >= 4) ^ (total_transform >= 4))
                        new_total += 4;
 
                total_transform = new_total;
@@ -1844,7 +1882,7 @@ u32 parseImageTransform(const std::string& s)
 
 core::dimension2d<u32> imageTransformDimension(u32 transform, core::dimension2d<u32> dim)
 {
-       if(transform % 2 == 0)
+       if (transform % 2 == 0)
                return dim;
        else
                return core::dimension2d<u32>(dim.Height, dim.Width);
@@ -1852,7 +1890,7 @@ core::dimension2d<u32> imageTransformDimension(u32 transform, core::dimension2d<
 
 void imageTransform(u32 transform, video::IImage *src, video::IImage *dst)
 {
-       if(src == NULL || dst == NULL)
+       if (src == NULL || dst == NULL)
                return;
 
        core::dimension2d<u32> srcdim = src->getDimension();
@@ -1867,25 +1905,25 @@ void imageTransform(u32 transform, video::IImage *src, video::IImage *dst)
        */
        int sxn = 0;
        int syn = 2;
-       if(transform == 0)         // identity
+       if (transform == 0)         // identity
                sxn = 0, syn = 2;  //   sx = dx, sy = dy
-       else if(transform == 1)    // rotate by 90 degrees ccw
+       else if (transform == 1)    // rotate by 90 degrees ccw
                sxn = 3, syn = 0;  //   sx = (H-1) - dy, sy = dx
-       else if(transform == 2)    // rotate by 180 degrees
+       else if (transform == 2)    // rotate by 180 degrees
                sxn = 1, syn = 3;  //   sx = (W-1) - dx, sy = (H-1) - dy
-       else if(transform == 3)    // rotate by 270 degrees ccw
+       else if (transform == 3)    // rotate by 270 degrees ccw
                sxn = 2, syn = 1;  //   sx = dy, sy = (W-1) - dx
-       else if(transform == 4)    // flip x
+       else if (transform == 4)    // flip x
                sxn = 1, syn = 2;  //   sx = (W-1) - dx, sy = dy
-       else if(transform == 5)    // flip x then rotate by 90 degrees ccw
+       else if (transform == 5)    // flip x then rotate by 90 degrees ccw
                sxn = 2, syn = 0;  //   sx = dy, sy = dx
-       else if(transform == 6)    // flip y
+       else if (transform == 6)    // flip y
                sxn = 0, syn = 3;  //   sx = dx, sy = (H-1) - dy
-       else if(transform == 7)    // flip y then rotate by 90 degrees ccw
+       else if (transform == 7)    // flip y then rotate by 90 degrees ccw
                sxn = 3, syn = 1;  //   sx = (H-1) - dy, sy = (W-1) - dx
 
-       for(u32 dy=0; dy<dstdim.Height; dy++)
-       for(u32 dx=0; dx<dstdim.Width; dx++)
+       for (u32 dy=0; dy<dstdim.Height; dy++)
+       for (u32 dx=0; dx<dstdim.Width; dx++)
        {
                u32 entries[4] = {dx, dstdim.Width-1-dx, dy, dstdim.Height-1-dy};
                u32 sx = entries[sxn];