#include "util/numeric.h"
#include "irrlichttypes_extrabloated.h"
#include "debug.h"
-#include "main.h" // for g_settings
#include "filesys.h"
#include "settings.h"
#include "mesh.h"
#include "log.h"
#include "gamedef.h"
-#include "strfnd.h"
+#include "util/strfnd.h"
#include "util/string.h" // for parseColorString()
+#include "imagefilters.h"
+#include "guiscalingfilter.h"
+#include "nodedef.h"
+
#ifdef __ANDROID__
#include <GLES/gl.h>
}
};
-/* Upscale textures to user's requested minimum size. This is a trick to make
- * filters look as good on low-res textures as on high-res ones, by making
- * low-res textures BECOME high-res ones. This is helpful for worlds that
- * mix high- and low-res textures, or for mods with least-common-denominator
- * textures that don't have the resources to offer high-res alternatives.
- */
-video::IImage *textureMinSizeUpscale(video::IVideoDriver *driver, video::IImage *orig) {
- if(orig == NULL)
- return orig;
- s32 scaleto = g_settings->getS32("texture_min_size");
- if (scaleto > 0) {
-
- /* Calculate scaling needed to make the shortest texture dimension
- * equal to the target minimum. If e.g. this is a vertical frames
- * animation, the short dimension will be the real size.
- */
- const core::dimension2d<u32> dim = orig->getDimension();
- u32 xscale = scaleto / dim.Width;
- u32 yscale = scaleto / dim.Height;
- u32 scale = (xscale > yscale) ? xscale : yscale;
-
- // Never downscale; only scale up by 2x or more.
- if (scale > 1) {
- u32 w = scale * dim.Width;
- u32 h = scale * dim.Height;
- const core::dimension2d<u32> newdim = core::dimension2d<u32>(w, h);
- video::IImage *newimg = driver->createImage(
- orig->getColorFormat(), newdim);
- orig->copyToScaling(newimg);
- return newimg;
- }
- }
-
- return orig;
-}
-
/*
SourceImageCache: A cache used for storing source images.
*/
public:
~SourceImageCache() {
for (std::map<std::string, video::IImage*>::iterator iter = m_images.begin();
- iter != m_images.end(); iter++) {
+ iter != m_images.end(); ++iter) {
iter->second->drop();
}
m_images.clear();
}
}
- /* Apply the "clean transparent" filter to textures, removing borders on transparent textures.
- * PNG optimizers discard RGB values of fully-transparent pixels, but filters may expose the
- * replacement colors at borders by blending to them; this filter compensates for that by
- * filling in those RGB values from nearby pixels.
- */
- if (g_settings->getBool("texture_clean_transparent")) {
- const core::dimension2d<u32> dim = toadd->getDimension();
-
- // Walk each pixel looking for ones that will show as transparent.
- for (u32 ctrx = 0; ctrx < dim.Width; ctrx++)
- for (u32 ctry = 0; ctry < dim.Height; ctry++) {
- irr::video::SColor c = toadd->getPixel(ctrx, ctry);
- if (c.getAlpha() > 127)
- continue;
-
- // Sample size and total weighted r, g, b values.
- u32 ss = 0, sr = 0, sg = 0, sb = 0;
-
- // Walk each neighbor pixel (clipped to image bounds).
- for (u32 sx = (ctrx < 1) ? 0 : (ctrx - 1);
- sx <= (ctrx + 1) && sx < dim.Width; sx++)
- for (u32 sy = (ctry < 1) ? 0 : (ctry - 1);
- sy <= (ctry + 1) && sy < dim.Height; sy++) {
-
- // Ignore the center pixel (its RGB is already
- // presumed meaningless).
- if ((sx == ctrx) && (sy == ctry))
- continue;
-
- // Ignore other nearby pixels that would be
- // transparent upon display.
- irr::video::SColor d = toadd->getPixel(sx, sy);
- if(d.getAlpha() < 128)
- continue;
-
- // Add one weighted sample.
- ss++;
- sr += d.getRed();
- sg += d.getGreen();
- sb += d.getBlue();
- }
-
- // If we found any neighbor RGB data, set pixel to average
- // weighted by alpha.
- if (ss > 0) {
- c.setRed(sr / ss);
- c.setGreen(sg / ss);
- c.setBlue(sb / ss);
- toadd->setPixel(ctrx, ctry, c);
- }
- }
- }
-
if (need_to_grab)
toadd->grab();
m_images[name] = toadd;
*/
video::ITexture* getTexture(u32 id);
- video::ITexture* getTexture(const std::string &name, u32 *id);
+ video::ITexture* getTexture(const std::string &name, u32 *id = NULL);
+
+ /*
+ Get a texture specifically intended for mesh
+ application, i.e. not HUD, compositing, or other 2D
+ use. This texture may be a different size and may
+ have had additional filters applied.
+ */
+ video::ITexture* getTextureForMesh(const std::string &name, u32 *id);
// Returns a pointer to the irrlicht device
virtual IrrlichtDevice* getDevice()
video::IImage* generateImage(const std::string &name);
video::ITexture* getNormalTexture(const std::string &name);
+ video::SColor getTextureAverageColor(const std::string &name);
+ video::ITexture *getShaderFlagsTexture(bool normamap_present);
+
private:
// The id of the thread that is allowed to use irrlicht directly
// Maps a texture name to an index in the former.
std::map<std::string, u32> m_name_to_id;
// The two former containers are behind this mutex
- JMutex m_textureinfo_cache_mutex;
+ Mutex m_textureinfo_cache_mutex;
// Queued texture fetches (to be processed by the main thread)
RequestQueue<std::string, u32, u8, u8> m_get_texture_queue;
{
assert(m_device); // Pre-condition
- m_main_thread = get_current_thread_id();
+ m_main_thread = thr_get_current_thread_id();
// Add a NULL TextureInfo as the first index, named ""
m_textureinfo_cache.push_back(TextureInfo(""));
for (std::vector<TextureInfo>::iterator iter =
m_textureinfo_cache.begin();
- iter != m_textureinfo_cache.end(); iter++)
+ iter != m_textureinfo_cache.end(); ++iter)
{
//cleanup texture
if (iter->texture)
for (std::vector<video::ITexture*>::iterator iter =
m_texture_trash.begin(); iter != m_texture_trash.end();
- iter++) {
+ ++iter) {
video::ITexture *t = *iter;
//cleanup trashed texture
/*
See if texture already exists
*/
- JMutexAutoLock lock(m_textureinfo_cache_mutex);
+ MutexAutoLock 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())
/*
Get texture
*/
- if (get_current_thread_id() == m_main_thread)
+ if (thr_is_current_thread(m_main_thread))
{
return generateTexture(name);
}
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 color to an image. Uses an int (0-255) to calculate the ratio.
+// If the ratio is 255 or -1 and keep_alpha is true, then it multiples the
+// color alpha with the destination alpha.
+// Otherwise, any pixels that are not fully transparent get the color alpha.
+static void apply_colorize(video::IImage *dst, v2u32 dst_pos, v2u32 size,
+ video::SColor color, int ratio, bool keep_alpha);
// Apply a mask to an image
static void apply_mask(video::IImage *mask, video::IImage *dst,
/*
See if texture already exists
*/
- JMutexAutoLock lock(m_textureinfo_cache_mutex);
+ MutexAutoLock 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()) {
/*
Calling only allowed from main thread
*/
- if (get_current_thread_id() != m_main_thread) {
+ if (!thr_is_current_thread(m_main_thread)) {
errorstream<<"TextureSource::generateTexture() "
"called not from main thread"<<std::endl;
return 0;
video::IVideoDriver *driver = m_device->getVideoDriver();
sanity_check(driver);
- video::IImage *origimg = generateImage(name);
- video::IImage *img = textureMinSizeUpscale(driver, origimg);
+ video::IImage *img = generateImage(name);
video::ITexture *tex = NULL;
#endif
// Create texture from resulting image
tex = driver->addTexture(name.c_str(), img);
+ guiScalingCache(io::path(name.c_str()), driver, img);
img->drop();
- if((origimg != NULL) && (img != origimg))
- origimg->drop();
}
/*
Add texture to caches (add NULL textures too)
*/
- JMutexAutoLock lock(m_textureinfo_cache_mutex);
+ MutexAutoLock lock(m_textureinfo_cache_mutex);
u32 id = m_textureinfo_cache.size();
TextureInfo ti(name, tex);
std::string TextureSource::getTextureName(u32 id)
{
- JMutexAutoLock lock(m_textureinfo_cache_mutex);
+ MutexAutoLock lock(m_textureinfo_cache_mutex);
if (id >= m_textureinfo_cache.size())
{
video::ITexture* TextureSource::getTexture(u32 id)
{
- JMutexAutoLock lock(m_textureinfo_cache_mutex);
+ MutexAutoLock lock(m_textureinfo_cache_mutex);
if (id >= m_textureinfo_cache.size())
return NULL;
return getTexture(actual_id);
}
+video::ITexture* TextureSource::getTextureForMesh(const std::string &name, u32 *id)
+{
+ return getTexture(name + "^[applyfiltersformesh", id);
+}
+
void TextureSource::processQueue()
{
/*
{
//infostream<<"TextureSource::insertSourceImage(): name="<<name<<std::endl;
- sanity_check(get_current_thread_id() == m_main_thread);
+ sanity_check(thr_is_current_thread(m_main_thread));
m_sourcecache.insert(name, img, true, m_device->getVideoDriver());
m_source_image_existence.set(name, true);
void TextureSource::rebuildImagesAndTextures()
{
- JMutexAutoLock lock(m_textureinfo_cache_mutex);
+ MutexAutoLock lock(m_textureinfo_cache_mutex);
video::IVideoDriver* driver = m_device->getVideoDriver();
sanity_check(driver);
// Recreate textures
for (u32 i=0; i<m_textureinfo_cache.size(); i++){
TextureInfo *ti = &m_textureinfo_cache[i];
- video::IImage *origimg = generateImage(ti->name);
- video::IImage *img = textureMinSizeUpscale(driver, origimg);
+ video::IImage *img = generateImage(ti->name);
#ifdef __ANDROID__
img = Align2Npot2(img, driver);
sanity_check(img->getDimension().Height == npot2(img->getDimension().Height));
video::ITexture *t = NULL;
if (img) {
t = driver->addTexture(ti->name.c_str(), img);
+ guiScalingCache(io::path(ti->name.c_str()), driver, img);
img->drop();
- if(origimg && (origimg != img))
- origimg->drop();
}
video::ITexture *t_old = ti->texture;
// Replace texture
rawImage->copyToScaling(inventory_image);
rawImage->drop();
+ guiScalingCache(io::path(params.rtt_texture_name.c_str()), driver, inventory_image);
+
video::ITexture *rtt = driver->addTexture(params.rtt_texture_name.c_str(), inventory_image);
inventory_image->drop();
smgr->drop();
// Unset render target
- driver->setRenderTarget(0, false, true, 0);
+ driver->setRenderTarget(0, false, true, video::SColor(0,0,0,0));
if (params.delete_texture_on_shutdown)
m_texture_trash.push_back(rtt);
video::IImage* TextureSource::generateImage(const std::string &name)
{
- /*
- Get the base image
- */
+ // Get the base image
const char separator = '^';
+ const char escape = '\\';
const char paren_open = '(';
const char paren_close = ')';
s32 last_separator_pos = -1;
u8 paren_bal = 0;
for (s32 i = name.size() - 1; i >= 0; i--) {
- switch(name[i]) {
+ if (i > 0 && name[i-1] == escape)
+ continue;
+ switch (name[i]) {
case separator:
if (paren_bal == 0) {
last_separator_pos = i;
std::string last_part_of_name = name.substr(last_separator_pos + 1);
- /*
+ /*
If this name is enclosed in parentheses, generate it
and blit it onto the base image
*/
return NULL;
}
core::dimension2d<u32> dim = tmp->getDimension();
- if (!baseimg)
- baseimg = driver->createImage(video::ECF_A8R8G8B8, dim);
- blit_with_alpha(tmp, baseimg, v2s32(0, 0), v2s32(0, 0), dim);
- tmp->drop();
+ if (baseimg) {
+ blit_with_alpha(tmp, baseimg, v2s32(0, 0), v2s32(0, 0), dim);
+ tmp->drop();
+ } else {
+ baseimg = tmp;
+ }
} else if (!generateImagePart(last_part_of_name, baseimg)) {
// Generate image according to part of name
errorstream << "generateImage(): "
#endif
+static std::string unescape_string(const std::string &str, const char esc = '\\')
+{
+ std::string out;
+ size_t pos = 0, cpos;
+ out.reserve(str.size());
+ while (1) {
+ cpos = str.find_first_of(esc, pos);
+ if (cpos == std::string::npos) {
+ out += str.substr(pos);
+ break;
+ }
+ out += str.substr(pos, cpos - pos) + str[cpos + 1];
+ pos = cpos + 2;
+ }
+ return out;
+}
+
bool TextureSource::generateImagePart(std::string part_of_name,
video::IImage *& baseimg)
{
+ const char escape = '\\'; // same as in generateImage()
video::IVideoDriver* driver = m_device->getVideoDriver();
sanity_check(driver);
core::rect<s32>(pos_from, dim),
video::SColor(255,255,255,255),
NULL);*/
- blit_with_alpha(image, baseimg, pos_from, pos_to, dim);
+
+ core::dimension2d<u32> dim_dst = baseimg->getDimension();
+ if (dim == dim_dst) {
+ blit_with_alpha(image, baseimg, pos_from, pos_to, dim);
+ } else if (dim.Width * dim.Height < dim_dst.Width * dim_dst.Height) {
+ // Upscale overlying image
+ video::IImage* scaled_image = m_device->getVideoDriver()->
+ createImage(video::ECF_A8R8G8B8, dim_dst);
+ image->copyToScaling(scaled_image);
+
+ blit_with_alpha(scaled_image, baseimg, pos_from, pos_to, dim_dst);
+ scaled_image->drop();
+ } else {
+ // Upscale base image
+ video::IImage* scaled_base = m_device->getVideoDriver()->
+ createImage(video::ECF_A8R8G8B8, dim);
+ baseimg->copyToScaling(scaled_base);
+ baseimg->drop();
+ baseimg = scaled_base;
+
+ blit_with_alpha(image, baseimg, pos_from, pos_to, dim);
+ }
}
//cleanup
image->drop();
Adds a cracking texture
N = animation frame count, P = crack progression
*/
- if (part_of_name.substr(0,6) == "[crack")
+ if (str_starts_with(part_of_name, "[crack"))
{
if (baseimg == NULL) {
errorstream<<"generateImagePart(): baseimg == NULL "
s32 frame_count = stoi(sf.next(":"));
s32 progression = stoi(sf.next(":"));
- /*
- Load crack image.
+ if (progression >= 0) {
+ /*
+ Load crack image.
- It is an image with a number of cracking stages
- horizontally tiled.
- */
- video::IImage *img_crack = m_sourcecache.getOrLoad(
+ It is an image with a number of cracking stages
+ horizontally tiled.
+ */
+ video::IImage *img_crack = m_sourcecache.getOrLoad(
"crack_anylength.png", m_device);
- if (img_crack && progression >= 0)
- {
- draw_crack(img_crack, baseimg,
+ if (img_crack) {
+ draw_crack(img_crack, baseimg,
use_overlay, frame_count,
progression, driver);
- img_crack->drop();
+ img_crack->drop();
+ }
}
}
/*
[combine:WxH:X,Y=filename:X,Y=filename2
- Creates a bigger texture from an amount of smaller ones
+ Creates a bigger texture from any amount of smaller ones
*/
- else if (part_of_name.substr(0,8) == "[combine")
+ else if (str_starts_with(part_of_name, "[combine"))
{
Strfnd sf(part_of_name);
sf.next(":");
u32 w0 = stoi(sf.next("x"));
u32 h0 = stoi(sf.next(":"));
- //infostream<<"combined w="<<w0<<" h="<<h0<<std::endl;
core::dimension2d<u32> dim(w0,h0);
if (baseimg == NULL) {
baseimg = driver->createImage(video::ECF_A8R8G8B8, dim);
baseimg->fill(video::SColor(0,0,0,0));
}
- while (sf.atend() == false) {
+ while (sf.at_end() == false) {
u32 x = stoi(sf.next(","));
u32 y = stoi(sf.next("="));
- std::string filename = sf.next(":");
+ std::string filename = unescape_string(sf.next_esc(":", escape), escape);
infostream<<"Adding \""<<filename
<<"\" to combined ("<<x<<","<<y<<")"
<<std::endl;
- video::IImage *img = m_sourcecache.getOrLoad(filename, m_device);
+ video::IImage *img = generateImage(filename);
if (img) {
core::dimension2d<u32> dim = img->getDimension();
infostream<<"Size "<<dim.Width
}
}
/*
- "[brighten"
+ [brighten
*/
- else if (part_of_name.substr(0,9) == "[brighten")
+ else if (str_starts_with(part_of_name, "[brighten"))
{
if (baseimg == NULL) {
errorstream<<"generateImagePart(): baseimg==NULL "
brighten(baseimg);
}
/*
- "[noalpha"
+ [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
when simple alpha channel is used for rendering.
*/
- else if (part_of_name.substr(0,8) == "[noalpha")
+ else if (str_starts_with(part_of_name, "[noalpha"))
{
if (baseimg == NULL){
errorstream<<"generateImagePart(): baseimg==NULL "
}
}
/*
- "[makealpha:R,G,B"
+ [makealpha:R,G,B
Convert one color to transparent.
*/
- else if (part_of_name.substr(0,11) == "[makealpha:")
+ else if (str_starts_with(part_of_name, "[makealpha:"))
{
if (baseimg == NULL) {
errorstream<<"generateImagePart(): baseimg == NULL "
u32 r1 = stoi(sf.next(","));
u32 g1 = stoi(sf.next(","));
u32 b1 = stoi(sf.next(""));
- std::string filename = sf.next("");
core::dimension2d<u32> dim = baseimg->getDimension();
}
}
/*
- "[transformN"
+ [transformN
Rotates and/or flips the image.
N can be a number (between 0 and 7) or a transform 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 (str_starts_with(part_of_name, "[transform"))
{
if (baseimg == NULL) {
errorstream<<"generateImagePart(): baseimg == NULL "
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 (str_starts_with(part_of_name, "[inventorycube"))
{
if (baseimg != NULL){
errorstream<<"generateImagePart(): baseimg != NULL "
[lowpart:percent:filename
Adds the lower part of a texture
*/
- else if (part_of_name.substr(0,9) == "[lowpart:")
+ else if (str_starts_with(part_of_name, "[lowpart:"))
{
Strfnd sf(part_of_name);
sf.next(":");
u32 percent = stoi(sf.next(":"));
- std::string filename = sf.next(":");
- //infostream<<"power part "<<percent<<"%% of "<<filename<<std::endl;
+ std::string filename = unescape_string(sf.next_esc(":", escape), escape);
if (baseimg == NULL)
baseimg = driver->createImage(video::ECF_A8R8G8B8, v2u32(16,16));
- video::IImage *img = m_sourcecache.getOrLoad(filename, m_device);
+ video::IImage *img = generateImage(filename);
if (img)
{
core::dimension2d<u32> dim = img->getDimension();
Crops a frame of a vertical animation.
N = frame count, I = frame index
*/
- else if (part_of_name.substr(0,15) == "[verticalframe:")
+ else if (str_starts_with(part_of_name, "[verticalframe:"))
{
Strfnd sf(part_of_name);
sf.next(":");
[mask:filename
Applies a mask to an image
*/
- else if (part_of_name.substr(0,6) == "[mask:")
+ else if (str_starts_with(part_of_name, "[mask:"))
{
if (baseimg == NULL) {
errorstream << "generateImage(): baseimg == NULL "
}
Strfnd sf(part_of_name);
sf.next(":");
- std::string filename = sf.next(":");
+ std::string filename = unescape_string(sf.next_esc(":", escape), escape);
- video::IImage *img = m_sourcecache.getOrLoad(filename, m_device);
+ video::IImage *img = generateImage(filename);
if (img) {
apply_mask(img, baseimg, v2s32(0, 0), v2s32(0, 0),
img->getDimension());
+ img->drop();
} else {
errorstream << "generateImage(): Failed to load \""
<< filename << "\".";
Overlays image with given color
color = color as ColorString
*/
- else if (part_of_name.substr(0,10) == "[colorize:") {
+ else if (str_starts_with(part_of_name, "[colorize:"))
+ {
Strfnd sf(part_of_name);
sf.next(":");
std::string color_str = sf.next(":");
video::SColor color;
int ratio = -1;
+ bool keep_alpha = false;
if (!parseColorString(color_str, color, false))
return false;
if (is_number(ratio_str))
ratio = mystoi(ratio_str, 0, 255);
+ else if (ratio_str == "alpha")
+ keep_alpha = true;
+
+ apply_colorize(baseimg, v2u32(0, 0), baseimg->getDimension(), color, ratio, keep_alpha);
+ }
+ /*
+ [applyfiltersformesh
+ Internal modifier
+ */
+ else if (str_starts_with(part_of_name, "[applyfiltersformesh"))
+ {
+ // Apply the "clean transparent" filter, if configured.
+ if (g_settings->getBool("texture_clean_transparent"))
+ imageCleanTransparent(baseimg, 127);
+
+ /* Upscale textures to user's requested minimum size. This is a trick to make
+ * filters look as good on low-res textures as on high-res ones, by making
+ * low-res textures BECOME high-res ones. This is helpful for worlds that
+ * mix high- and low-res textures, or for mods with least-common-denominator
+ * textures that don't have the resources to offer high-res alternatives.
+ */
+ s32 scaleto = g_settings->getS32("texture_min_size");
+ if (scaleto > 1) {
+ const core::dimension2d<u32> dim = baseimg->getDimension();
+
+ /* Calculate scaling needed to make the shortest texture dimension
+ * equal to the target minimum. If e.g. this is a vertical frames
+ * animation, the short dimension will be the real size.
+ */
+ u32 xscale = scaleto / dim.Width;
+ u32 yscale = scaleto / dim.Height;
+ u32 scale = (xscale > yscale) ? xscale : yscale;
+
+ // Never downscale; only scale up by 2x or more.
+ if (scale > 1) {
+ u32 w = scale * dim.Width;
+ u32 h = scale * dim.Height;
+ const core::dimension2d<u32> newdim = core::dimension2d<u32>(w, h);
+ video::IImage *newimg = driver->createImage(
+ baseimg->getColorFormat(), newdim);
+ baseimg->copyToScaling(newimg);
+ baseimg->drop();
+ baseimg = newimg;
+ }
+ }
+ }
+ /*
+ [resize:WxH
+ Resizes the base image to the given dimensions
+ */
+ else if (str_starts_with(part_of_name, "[resize"))
+ {
+ if (baseimg == NULL) {
+ errorstream << "generateImagePart(): baseimg == NULL "
+ << "for part_of_name=\""<< part_of_name
+ << "\", cancelling." << std::endl;
+ return false;
+ }
+
+ Strfnd sf(part_of_name);
+ sf.next(":");
+ u32 width = stoi(sf.next("x"));
+ u32 height = stoi(sf.next(""));
+ core::dimension2d<u32> dim(width, height);
+
+ video::IImage* image = m_device->getVideoDriver()->
+ createImage(video::ECF_A8R8G8B8, dim);
+ baseimg->copyToScaling(image);
+ baseimg->drop();
+ baseimg = image;
+ }
+ /*
+ [opacity:R
+ Makes the base image transparent according to the given ratio.
+ R must be between 0 and 255.
+ 0 means totally transparent.
+ 255 means totally opaque.
+ */
+ else if (str_starts_with(part_of_name, "[opacity:")) {
+ if (baseimg == NULL) {
+ errorstream << "generateImagePart(): baseimg == NULL "
+ << "for part_of_name=\"" << part_of_name
+ << "\", cancelling." << std::endl;
+ return false;
+ }
+
+ Strfnd sf(part_of_name);
+ sf.next(":");
+
+ u32 ratio = mystoi(sf.next(""), 0, 255);
+
+ core::dimension2d<u32> dim = baseimg->getDimension();
+
+ 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(floor((c.getAlpha() * ratio) / 255 + 0.5));
+ baseimg->setPixel(x, y, c);
+ }
+ }
+ /*
+ [invert:mode
+ Inverts the given channels of the base image.
+ Mode may contain the characters "r", "g", "b", "a".
+ Only the channels that are mentioned in the mode string
+ will be inverted.
+ */
+ else if (str_starts_with(part_of_name, "[invert:")) {
+ if (baseimg == NULL) {
+ errorstream << "generateImagePart(): baseimg == NULL "
+ << "for part_of_name=\"" << part_of_name
+ << "\", cancelling." << std::endl;
+ return false;
+ }
+
+ Strfnd sf(part_of_name);
+ sf.next(":");
+
+ std::string mode = sf.next("");
+ u32 mask = 0;
+ if (mode.find("a") != std::string::npos)
+ mask |= 0xff000000UL;
+ if (mode.find("r") != std::string::npos)
+ mask |= 0x00ff0000UL;
+ if (mode.find("g") != std::string::npos)
+ mask |= 0x0000ff00UL;
+ if (mode.find("b") != std::string::npos)
+ mask |= 0x000000ffUL;
core::dimension2d<u32> dim = baseimg->getDimension();
- video::IImage *img = driver->createImage(video::ECF_A8R8G8B8, dim);
+ for (u32 y = 0; y < dim.Height; y++)
+ for (u32 x = 0; x < dim.Width; x++)
+ {
+ video::SColor c = baseimg->getPixel(x, y);
+ c.color ^= mask;
+ baseimg->setPixel(x, y, c);
+ }
+ }
+ /*
+ [sheet:WxH:X,Y
+ Retrieves a tile at position X,Y (in tiles)
+ from the base image it assumes to be a
+ tilesheet with dimensions W,H (in tiles).
+ */
+ else if (part_of_name.substr(0,7) == "[sheet:") {
+ if (baseimg == NULL) {
+ errorstream << "generateImagePart(): baseimg != NULL "
+ << "for part_of_name=\"" << part_of_name
+ << "\", cancelling." << std::endl;
+ return false;
+ }
+
+ Strfnd sf(part_of_name);
+ sf.next(":");
+ u32 w0 = stoi(sf.next("x"));
+ u32 h0 = stoi(sf.next(":"));
+ u32 x0 = stoi(sf.next(","));
+ u32 y0 = stoi(sf.next(":"));
+
+ core::dimension2d<u32> img_dim = baseimg->getDimension();
+ core::dimension2d<u32> tile_dim(v2u32(img_dim) / v2u32(w0, h0));
+
+ video::IImage *img = driver->createImage(
+ video::ECF_A8R8G8B8, tile_dim);
if (!img) {
errorstream << "generateImagePart(): Could not create image "
<< "for part_of_name=\"" << part_of_name
return false;
}
- img->fill(video::SColor(color));
- // Overlay the colored image
- blit_with_interpolate_overlay(img, baseimg, v2s32(0,0), v2s32(0,0), dim, ratio);
- img->drop();
+ img->fill(video::SColor(0,0,0,0));
+ v2u32 vdim(tile_dim);
+ core::rect<s32> rect(v2s32(x0 * vdim.X, y0 * vdim.Y), tile_dim);
+ baseimg->copyToWithAlpha(img, v2s32(0), rect,
+ video::SColor(255,255,255,255), NULL);
+
+ // Replace baseimg
+ baseimg->drop();
+ baseimg = img;
}
else
{
}
}
+// This function has been disabled because it is currently unused.
+// Feel free to re-enable if you find it handy.
+#if 0
/*
Draw an image on top of an another one, using the specified ratio
modify all partially-opaque pixels in the destination.
}
}
}
+#endif
+
+/*
+ Apply color to destination
+*/
+static void apply_colorize(video::IImage *dst, v2u32 dst_pos, v2u32 size,
+ video::SColor color, int ratio, bool keep_alpha)
+{
+ u32 alpha = color.getAlpha();
+ video::SColor dst_c;
+ if ((ratio == -1 && alpha == 255) || ratio == 255) { // full replacement of color
+ if (keep_alpha) { // replace the color with alpha = dest alpha * color alpha
+ dst_c = color;
+ for (u32 y = dst_pos.Y; y < dst_pos.Y + size.Y; y++)
+ for (u32 x = dst_pos.X; x < dst_pos.X + size.X; x++) {
+ u32 dst_alpha = dst->getPixel(x, y).getAlpha();
+ if (dst_alpha > 0) {
+ dst_c.setAlpha(dst_alpha * alpha / 255);
+ dst->setPixel(x, y, dst_c);
+ }
+ }
+ } else { // replace the color including the alpha
+ for (u32 y = dst_pos.Y; y < dst_pos.Y + size.Y; y++)
+ for (u32 x = dst_pos.X; x < dst_pos.X + size.X; x++)
+ if (dst->getPixel(x, y).getAlpha() > 0)
+ dst->setPixel(x, y, color);
+ }
+ } else { // interpolate between the color and destination
+ float interp = (ratio == -1 ? color.getAlpha() / 255.0f : ratio / 255.0f);
+ for (u32 y = dst_pos.Y; y < dst_pos.Y + size.Y; y++)
+ for (u32 x = dst_pos.X; x < dst_pos.X + size.X; x++) {
+ dst_c = dst->getPixel(x, y);
+ if (dst_c.getAlpha() > 0) {
+ dst_c = color.getInterpolated(dst_c, interp);
+ dst->setPixel(x, y, dst_c);
+ }
+ }
+ }
+}
/*
Apply mask to destination
video::ITexture* TextureSource::getNormalTexture(const std::string &name)
{
- u32 id;
if (isKnownSourceImage("override_normal.png"))
- return getTexture("override_normal.png", &id);
+ return getTexture("override_normal.png");
std::string fname_base = name;
std::string normal_ext = "_normal.png";
size_t pos = fname_base.find(".");
fname_base.replace(i, 4, normal_ext);
i += normal_ext.length();
}
- return getTexture(fname_base, &id);
+ return getTexture(fname_base);
}
return NULL;
}
+
+video::SColor TextureSource::getTextureAverageColor(const std::string &name)
+{
+ video::IVideoDriver *driver = m_device->getVideoDriver();
+ video::SColor c(0, 0, 0, 0);
+ video::ITexture *texture = getTexture(name);
+ video::IImage *image = driver->createImage(texture,
+ core::position2d<s32>(0, 0),
+ texture->getOriginalSize());
+ u32 total = 0;
+ u32 tR = 0;
+ u32 tG = 0;
+ u32 tB = 0;
+ core::dimension2d<u32> dim = image->getDimension();
+ u16 step = 1;
+ if (dim.Width > 16)
+ step = dim.Width / 16;
+ for (u16 x = 0; x < dim.Width; x += step) {
+ for (u16 y = 0; y < dim.Width; y += step) {
+ c = image->getPixel(x,y);
+ if (c.getAlpha() > 0) {
+ total++;
+ tR += c.getRed();
+ tG += c.getGreen();
+ tB += c.getBlue();
+ }
+ }
+ }
+ image->drop();
+ if (total > 0) {
+ c.setRed(tR / total);
+ c.setGreen(tG / total);
+ c.setBlue(tB / total);
+ }
+ c.setAlpha(255);
+ return c;
+}
+
+
+video::ITexture *TextureSource::getShaderFlagsTexture(bool normalmap_present)
+{
+ std::string tname = "__shaderFlagsTexture";
+ tname += normalmap_present ? "1" : "0";
+
+ if (isKnownSourceImage(tname)) {
+ return getTexture(tname);
+ } else {
+ video::IVideoDriver *driver = m_device->getVideoDriver();
+ video::IImage *flags_image = driver->createImage(
+ video::ECF_A8R8G8B8, core::dimension2d<u32>(1, 1));
+ sanity_check(flags_image != NULL);
+ video::SColor c(255, normalmap_present ? 255 : 0, 0, 0);
+ flags_image->setPixel(0, 0, c);
+ insertSourceImage(tname, flags_image);
+ flags_image->drop();
+ return getTexture(tname);
+ }
+}
projects / minetest.git / blobdiff