void TextureSource::rebuildImagesAndTextures()
{
JMutexAutoLock lock(m_atlaspointer_cache_mutex);
/*// Oh well... just clear everything, they'll load sometime.
m_atlaspointer_cache.clear();
m_name_to_id.clear();*/
video::IVideoDriver* driver = m_device->getVideoDriver();
// Remove source images from textures to disable inheriting textures
// from existing textures
/*for(u32 i=0; i<m_atlaspointer_cache.size(); i++){
SourceAtlasPointer *sap = &m_atlaspointer_cache[i];
sap->atlas_img->drop();
sap->atlas_img = NULL;
}*/
// Recreate textures
for(u32 i=0; i<m_atlaspointer_cache.size(); i++){
SourceAtlasPointer *sap = &m_atlaspointer_cache[i];
video::IImage *img =
generate_image_from_scratch(sap->name, m_device, &m_sourcecache);
// Create texture from resulting image
video::ITexture *t = NULL;
if(img)
t = driver->addTexture(sap->name.c_str(), img);
// Replace texture
sap->a.atlas = t;
sap->a.pos = v2f(0,0);
sap->a.size = v2f(1,1);
sap->a.tiled = 0;
sap->atlas_img = img;
sap->intpos = v2s32(0,0);
sap->intsize = img->getDimension();
}
}
void TextureSource::buildMainAtlas(class IGameDef *gamedef)
{
assert(gamedef->tsrc() == this);
INodeDefManager *ndef = gamedef->ndef();
infostream<<"TextureSource::buildMainAtlas()"<<std::endl;
//return; // Disable (for testing)
video::IVideoDriver* driver = m_device->getVideoDriver();
assert(driver);
JMutexAutoLock lock(m_atlaspointer_cache_mutex);
// Create an image of the right size
core::dimension2d<u32> atlas_dim(1024,1024);
video::IImage *atlas_img =
driver->createImage(video::ECF_A8R8G8B8, atlas_dim);
//assert(atlas_img);
if(atlas_img == NULL)
{
errorstream<<"TextureSource::buildMainAtlas(): Failed to create atlas "
"image; not building texture atlas."<<std::endl;
return;
}
/*
Grab list of stuff to include in the texture atlas from the
main content features
*/
core::map<std::string, bool> sourcelist;
for(u16 j=0; j<MAX_CONTENT+1; j++)
{
if(j == CONTENT_IGNORE || j == CONTENT_AIR)
continue;
const ContentFeatures &f = ndef->get(j);
for(u32 i=0; i<6; i++)
{
std::string name = f.tname_tiles[i];
sourcelist[name] = true;
}
}
infostream<<"Creating texture atlas out of textures: ";
for(core::map<std::string, bool>::Iterator
i = sourcelist.getIterator();
i.atEnd() == false; i++)
{
std::string name = i.getNode()->getKey();
infostream<<"\""<<name<<"\" ";
}
infostream<<std::endl;
// Padding to disallow texture bleeding
s32 padding = 16;
s32 column_width = 256;
s32 column_padding = 16;
/*
First pass: generate almost everything
*/
core::position2d<s32> pos_in_atlas(0,0);
pos_in_atlas.Y = padding;
for(core::map<std::string, bool>::Iterator
i = sourcelist.getIterator();
i.atEnd() == false; i++)
{
std::string name = i.getNode()->getKey();
// Generate image by name
video::IImage *img2 = generate_image_from_scratch(name, m_device,
&m_sourcecache);
if(img2 == NULL)
{
errorstream<<"TextureSource::buildMainAtlas(): "
<<"Couldn't generate image \""<<name<<"\""<<std::endl;
continue;
}
core::dimension2d<u32> dim = img2->getDimension();
// Don't add to atlas if image is large
core::dimension2d<u32> max_size_in_atlas(32,32);
if(dim.Width > max_size_in_atlas.Width
|| dim.Height > max_size_in_atlas.Height)
{
infostream<<"TextureSource::buildMainAtlas(): Not adding "
<<"\""<<name<<"\" because image is large"<<std::endl;
continue;
}
// Wrap columns and stop making atlas if atlas is full
if(pos_in_atlas.Y + dim.Height > atlas_dim.Height)
{
if(pos_in_atlas.X > (s32)atlas_dim.Width - 256 - padding){
errorstream<<"TextureSource::buildMainAtlas(): "
<<"Atlas is full, not adding more textures."
<<std::endl;
break;
}
pos_in_atlas.Y = padding;
pos_in_atlas.X += column_width + column_padding;
}
/*infostream<<"TextureSource::buildMainAtlas(): Adding \""<<name
<<"\" to texture atlas"<<std::endl;*/
// Tile it a few times in the X direction
u16 xwise_tiling = column_width / dim.Width;
if(xwise_tiling > 16) // Limit to 16 (more gives no benefit)
xwise_tiling = 16;
for(u32 j=0; j<xwise_tiling; j++)
{
// Copy the copy to the atlas
/*img2->copyToWithAlpha(atlas_img,
pos_in_atlas + v2s32(j*dim.Width,0),
core::rect<s32>(v2s32(0,0), dim),
video::SColor(255,255,255,255),
NULL);*/
img2->copyTo(atlas_img,
pos_in_atlas + v2s32(j*dim.Width,0),
core::rect<s32>(v2s32(0,0), dim),
NULL);
}
// Copy the borders a few times to disallow texture bleeding
for(u32 side=0; side<2; side++) // top and bottom
for(s32 y0=0; y0<padding; y0++)
for(s32 x0=0; x0<(s32)xwise_tiling*(s32)dim.Width; x0++)
{
s32 dst_y;
s32 src_y;
if(side==0)
{
dst_y = y0 + pos_in_atlas.Y + dim.Height;
src_y = pos_in_atlas.Y + dim.Height - 1;
}
else
{
dst_y = -y0 + pos_in_atlas.Y-1;
src_y = pos_in_atlas.Y;
}
s32 x = x0 + pos_in_atlas.X;
video::SColor c = atlas_img->getPixel(x, src_y);
atlas_img->setPixel(x,dst_y,c);
}
img2->drop();
/*
Add texture to caches
*/
bool reuse_old_id = false;
u32 id = m_atlaspointer_cache.size();
// Check old id without fetching a texture
core::map<std::string, u32>::Node *n;
n = m_name_to_id.find(name);
// If it exists, we will replace the old definition
if(n){
id = n->getValue();
reuse_old_id = true;
/*infostream<<"TextureSource::buildMainAtlas(): "
<<"Replacing old AtlasPointer"<<std::endl;*/
}
// Create AtlasPointer
AtlasPointer ap(id);
ap.atlas = NULL; // Set on the second pass
ap.pos = v2f((float)pos_in_atlas.X/(float)atlas_dim.Width,
(float)pos_in_atlas.Y/(float)atlas_dim.Height);
ap.size = v2f((float)dim.Width/(float)atlas_dim.Width,
(float)dim.Width/(float)atlas_dim.Height);
ap.tiled = xwise_tiling;
// Create SourceAtlasPointer and add to containers
SourceAtlasPointer nap(name, ap, atlas_img, pos_in_atlas, dim);
if(reuse_old_id)
m_atlaspointer_cache[id] = nap;
else
m_atlaspointer_cache.push_back(nap);
m_name_to_id[name] = id;
// Increment position
pos_in_atlas.Y += dim.Height + padding * 2;
}
/*
Make texture
*/
video::ITexture *t = driver->addTexture("__main_atlas__", atlas_img);
assert(t);
/*
Second pass: set texture pointer in generated AtlasPointers
*/
for(core::map<std::string, bool>::Iterator
i = sourcelist.getIterator();
i.atEnd() == false; i++)
{
std::string name = i.getNode()->getKey();
if(m_name_to_id.find(name) == NULL)
continue;
u32 id = m_name_to_id[name];
//infostream<<"id of name "<<name<<" is "<<id<<std::endl;
m_atlaspointer_cache[id].a.atlas = t;
}
/*
Write image to file so that it can be inspected
*/
/*std::string atlaspath = porting::path_user
+ DIR_DELIM + "generated_texture_atlas.png";
infostream<<"Removing and writing texture atlas for inspection to "
<<atlaspath<<std::endl;
fs::RecursiveDelete(atlaspath);
driver->writeImageToFile(atlas_img, atlaspath.c_str());*/
}
bool generate_image(std::string part_of_name, video::IImage *& baseimg,
IrrlichtDevice *device, SourceImageCache *sourcecache)
{
video::IVideoDriver* driver = device->getVideoDriver();
assert(driver);
// Stuff starting with [ are special commands
if(part_of_name.size() == 0 || part_of_name[0] != '[')
{
video::IImage *image = sourcecache->getOrLoad(part_of_name, device);
if(image == NULL)
{
if(part_of_name != ""){
errorstream<<"generate_image(): Could not load image \""
<<part_of_name<<"\""<<" while building texture"<<std::endl;
errorstream<<"generate_image(): Creating a dummy"
<<" image for \""<<part_of_name<<"\""<<std::endl;
}
// Just create a dummy image
//core::dimension2d<u32> dim(2,2);
core::dimension2d<u32> dim(1,1);
image = driver->createImage(video::ECF_A8R8G8B8, dim);
assert(image);
/*image->setPixel(0,0, video::SColor(255,255,0,0));
image->setPixel(1,0, video::SColor(255,0,255,0));
image->setPixel(0,1, video::SColor(255,0,0,255));
image->setPixel(1,1, video::SColor(255,255,0,255));*/
image->setPixel(0,0, video::SColor(255,myrand()%256,
myrand()%256,myrand()%256));
/*image->setPixel(1,0, video::SColor(255,myrand()%256,
myrand()%256,myrand()%256));
image->setPixel(0,1, video::SColor(255,myrand()%256,
myrand()%256,myrand()%256));
image->setPixel(1,1, video::SColor(255,myrand()%256,
myrand()%256,myrand()%256));*/
}
// If base image is NULL, load as base.
if(baseimg == NULL)
{
//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
images that don't have alpha in the original file.
*/
core::dimension2d<u32> dim = image->getDimension();
baseimg = driver->createImage(video::ECF_A8R8G8B8, dim);
image->copyTo(baseimg);
image->drop();
}
// Else blit on base.
else
{
//infostream<<"Blitting "<<part_of_name<<" on base"<<std::endl;
// Size of the copied area
core::dimension2d<u32> dim = image->getDimension();
//core::dimension2d<u32> dim(16,16);
// Position to copy the blitted to in the base image
core::position2d<s32> pos_to(0,0);
// Position to copy the blitted from in the blitted image
core::position2d<s32> pos_from(0,0);
// Blit
image->copyToWithAlpha(baseimg, pos_to,
core::rect<s32>(pos_from, dim),
video::SColor(255,255,255,255),
NULL);
// Drop image
image->drop();
}
}
else
{
// A special texture modification
/*infostream<<"generate_image(): generating special "
<<"modification \""<<part_of_name<<"\""
<<std::endl;*/
/*
This is the simplest of all; it just adds stuff to the
name so that a separate texture is created.
It is used to make textures for stuff that doesn't want
to implement getting the texture from a bigger texture
atlas.
*/
if(part_of_name == "[forcesingle")
{
// If base image is NULL, create a random color
if(baseimg == NULL)
{
core::dimension2d<u32> dim(1,1);
baseimg = driver->createImage(video::ECF_A8R8G8B8, dim);
assert(baseimg);
baseimg->setPixel(0,0, video::SColor(255,myrand()%256,
myrand()%256,myrand()%256));
}
}
/*
[crackN
Adds a cracking texture
*/
else if(part_of_name.substr(0,6) == "[crack")
{
if(baseimg == NULL)
{
errorstream<<"generate_image(): baseimg==NULL "
<<"for part_of_name=\""<<part_of_name
<<"\", 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;
}
// Size of the base image
core::dimension2d<u32> dim_base = baseimg->getDimension();
/*
Load crack image.
It is an image with a number of cracking stages
horizontally tiled.
*/
video::IImage *img_crack = sourcecache->getOrLoad("crack.png", 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));
}
}
if(img_crack_scaled)
img_crack_scaled->drop();
if(img_crack_cropped)
img_crack_cropped->drop();
img_crack->drop();
}
}
/*
[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")
{
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);
baseimg = driver->createImage(video::ECF_A8R8G8B8, dim);
while(sf.atend() == false)
{
u32 x = stoi(sf.next(","));
u32 y = stoi(sf.next("="));
std::string filename = sf.next(":");
infostream<<"Adding \""<<filename
<<"\" to combined ("<<x<<","<<y<<")"
<<std::endl;
video::IImage *img = sourcecache->getOrLoad(filename, device);
if(img)
{
core::dimension2d<u32> dim = img->getDimension();
infostream<<"Size "<<dim.Width
<<"x"<<dim.Height<<std::endl;
core::position2d<s32> pos_base(x, y);
video::IImage *img2 =
driver->createImage(video::ECF_A8R8G8B8, dim);
img->copyTo(img2);
img->drop();
img2->copyToWithAlpha(baseimg, pos_base,
core::rect<s32>(v2s32(0,0), dim),
video::SColor(255,255,255,255),
NULL);
img2->drop();
}
else
{
infostream<<"img==NULL"<<std::endl;
}
}
}
/*
"[brighten"
*/
else if(part_of_name.substr(0,9) == "[brighten")
{
if(baseimg == NULL)
{
errorstream<<"generate_image(): baseimg==NULL "
<<"for part_of_name=\""<<part_of_name
<<"\", cancelling."<<std::endl;
return false;
}
brighten(baseimg);
}
/*
"[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")
{
if(baseimg == NULL)
{
errorstream<<"generate_image(): baseimg==NULL "
<<"for part_of_name=\""<<part_of_name
<<"\", cancelling."<<std::endl;
return false;
}
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++)
{
video::SColor c = baseimg->getPixel(x,y);
c.setAlpha(255);
baseimg->setPixel(x,y,c);
}
}
/*
"[makealpha:R,G,B"
Convert one color to transparent.
*/
else if(part_of_name.substr(0,11) == "[makealpha:")
{
if(baseimg == NULL)
{
errorstream<<"generate_image(): baseimg==NULL "
<<"for part_of_name=\""<<part_of_name
<<"\", cancelling."<<std::endl;
return false;
}
Strfnd sf(part_of_name.substr(11));
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();
/*video::IImage *oldbaseimg = baseimg;
baseimg = driver->createImage(video::ECF_A8R8G8B8, dim);
oldbaseimg->copyTo(baseimg);
oldbaseimg->drop();*/
// Set alpha to full
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))
continue;
c.setAlpha(0);
baseimg->setPixel(x,y,c);
}
}
/*
[inventorycube{topimage{leftimage{rightimage
In every subimage, replace ^ with &.
Create an "inventory cube".
NOTE: This should be used only on its own.
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")
{
if(baseimg != NULL)
{
errorstream<<"generate_image(): baseimg!=NULL "
<<"for part_of_name=\""<<part_of_name
<<"\", cancelling."<<std::endl;
return false;
}
str_replace_char(part_of_name, '&', '^');
Strfnd sf(part_of_name);
sf.next("{");
std::string imagename_top = sf.next("{");
std::string imagename_left = sf.next("{");
std::string imagename_right = sf.next("{");
// Generate images for the faces of the cube
video::IImage *img_top = generate_image_from_scratch(
imagename_top, device, sourcecache);
video::IImage *img_left = generate_image_from_scratch(
imagename_left, device, sourcecache);
video::IImage *img_right = generate_image_from_scratch(
imagename_right, device, sourcecache);
assert(img_top && img_left && img_right);
// Create textures from images
video::ITexture *texture_top = driver->addTexture(
(imagename_top + "__temp__").c_str(), img_top);
video::ITexture *texture_left = driver->addTexture(
(imagename_left + "__temp__").c_str(), img_left);
video::ITexture *texture_right = driver->addTexture(
(imagename_right + "__temp__").c_str(), img_right);
assert(texture_top && texture_left && texture_right);
// Drop images
img_top->drop();
img_left->drop();
img_right->drop();
/*
Draw a cube mesh into a render target texture
*/
scene::IMesh* cube = createCubeMesh(v3f(1, 1, 1));
setMeshColor(cube, video::SColor(255, 255, 255, 255));
cube->getMeshBuffer(0)->getMaterial().setTexture(0, texture_top);
cube->getMeshBuffer(1)->getMaterial().setTexture(0, texture_top);
cube->getMeshBuffer(2)->getMaterial().setTexture(0, texture_right);
cube->getMeshBuffer(3)->getMaterial().setTexture(0, texture_right);
cube->getMeshBuffer(4)->getMaterial().setTexture(0, texture_left);
cube->getMeshBuffer(5)->getMaterial().setTexture(0, texture_left);
core::dimension2d<u32> dim(64,64);
std::string rtt_texture_name = part_of_name + "_RTT";
v3f camera_position(0, 1.0, -1.5);
camera_position.rotateXZBy(45);
v3f camera_lookat(0, 0, 0);
core::CMatrix4<f32> camera_projection_matrix;
// Set orthogonal projection
camera_projection_matrix.buildProjectionMatrixOrthoLH(
1.65, 1.65, 0, 100);
video::SColorf ambient_light(0.2,0.2,0.2);
v3f light_position(10, 100, -50);
video::SColorf light_color(0.5,0.5,0.5);
f32 light_radius = 1000;
video::ITexture *rtt = generateTextureFromMesh(
cube, device, dim, rtt_texture_name,
camera_position,
camera_lookat,
camera_projection_matrix,
ambient_light,
light_position,
light_color,
light_radius);
// Drop mesh
cube->drop();
// Free textures of images
driver->removeTexture(texture_top);
driver->removeTexture(texture_left);
driver->removeTexture(texture_right);
if(rtt == NULL)
{
baseimg = generate_image_from_scratch(
imagename_top, device, sourcecache);
return true;
}
// Create image of render target
video::IImage *image = driver->createImage(rtt, v2s32(0,0), dim);
assert(image);
baseimg = driver->createImage(video::ECF_A8R8G8B8, dim);
if(image)
{
image->copyTo(baseimg);
image->drop();
}
}
else
{
errorstream<<"generate_image(): Invalid "
" modification: \""<<part_of_name<<"\""<<std::endl;
}
}
return true;
}
video::IImage* generate_image_from_scratch(std::string name,
IrrlichtDevice *device, SourceImageCache *sourcecache)
{
/*infostream<<"generate_image_from_scratch(): "
"\""<<name<<"\""<<std::endl;*/
video::IVideoDriver* driver = device->getVideoDriver();
assert(driver);
/*
Get the base image
*/
video::IImage *baseimg = NULL;
char separator = '^';
// Find last meta separator in name
s32 last_separator_position = name.find_last_of(separator);
//if(last_separator_position == std::npos)
// last_separator_position = -1;
/*infostream<<"generate_image_from_scratch(): "
<<"last_separator_position="<<last_separator_position
<<std::endl;*/
/*
If separator was found, construct the base name and make the
base image using a recursive call
*/
std::string base_image_name;
if(last_separator_position != -1)
{
// Construct base name
base_image_name = name.substr(0, last_separator_position);
/*infostream<<"generate_image_from_scratch(): Calling itself recursively"
" to get base image of \""<<name<<"\" = \""
<<base_image_name<<"\""<<std::endl;*/
baseimg = generate_image_from_scratch(base_image_name, device,
sourcecache);
}
/*
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);
//infostream<<"last_part_of_name=\""<<last_part_of_name<<"\""<<std::endl;
// Generate image according to part of name
if(!generate_image(last_part_of_name, baseimg, device, sourcecache))
{
errorstream<<"generate_image_from_scratch(): "
"failed to generate \""<<last_part_of_name<<"\""
<<std::endl;
return NULL;
}
return baseimg;
}
bool generate_image(std::string part_of_name, video::IImage *& baseimg,
IrrlichtDevice *device)
{
video::IVideoDriver* driver = device->getVideoDriver();
assert(driver);
// Stuff starting with [ are special commands
if(part_of_name[0] != '[')
{
// A normal texture; load it from a file
std::string path = getTexturePath(part_of_name.c_str());
/*infostream<<"generate_image(): Loading path \""<<path
<<"\""<<std::endl;*/
video::IImage *image = driver->createImageFromFile(path.c_str());
if(image == NULL)
{
infostream<<"generate_image(): Could not load image \""
<<part_of_name<<"\" from path \""<<path<<"\""
<<" while building texture"<<std::endl;
//return false;
infostream<<"generate_image(): Creating a dummy"
<<" image for \""<<part_of_name<<"\""<<std::endl;
// Just create a dummy image
//core::dimension2d<u32> dim(2,2);
core::dimension2d<u32> dim(1,1);
image = driver->createImage(video::ECF_A8R8G8B8, dim);
assert(image);
/*image->setPixel(0,0, video::SColor(255,255,0,0));
image->setPixel(1,0, video::SColor(255,0,255,0));
image->setPixel(0,1, video::SColor(255,0,0,255));
image->setPixel(1,1, video::SColor(255,255,0,255));*/
image->setPixel(0,0, video::SColor(255,myrand()%256,
myrand()%256,myrand()%256));
/*image->setPixel(1,0, video::SColor(255,myrand()%256,
myrand()%256,myrand()%256));
image->setPixel(0,1, video::SColor(255,myrand()%256,
myrand()%256,myrand()%256));
image->setPixel(1,1, video::SColor(255,myrand()%256,
myrand()%256,myrand()%256));*/
}
// If base image is NULL, load as base.
if(baseimg == NULL)
{
//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
images that don't have alpha in the original file.
*/
core::dimension2d<u32> dim = image->getDimension();
baseimg = driver->createImage(video::ECF_A8R8G8B8, dim);
image->copyTo(baseimg);
image->drop();
}
// Else blit on base.
else
{
//infostream<<"Blitting "<<part_of_name<<" on base"<<std::endl;
// Size of the copied area
core::dimension2d<u32> dim = image->getDimension();
//core::dimension2d<u32> dim(16,16);
// Position to copy the blitted to in the base image
core::position2d<s32> pos_to(0,0);
// Position to copy the blitted from in the blitted image
core::position2d<s32> pos_from(0,0);
// Blit
image->copyToWithAlpha(baseimg, pos_to,
core::rect<s32>(pos_from, dim),
video::SColor(255,255,255,255),
NULL);
// Drop image
image->drop();
}
}
else
{
// A special texture modification
infostream<<"generate_image(): generating special "
<<"modification \""<<part_of_name<<"\""
<<std::endl;
/*
This is the simplest of all; it just adds stuff to the
name so that a separate texture is created.
It is used to make textures for stuff that doesn't want
to implement getting the texture from a bigger texture
atlas.
*/
if(part_of_name == "[forcesingle")
{
}
/*
[crackN
Adds a cracking texture
*/
else if(part_of_name.substr(0,6) == "[crack")
{
if(baseimg == NULL)
{
infostream<<"generate_image(): baseimg==NULL "
<<"for part_of_name=\""<<part_of_name
<<"\", cancelling."<<std::endl;
return false;
}
// Crack image number
u16 progression = stoi(part_of_name.substr(6));
// Size of the base image
core::dimension2d<u32> dim_base = baseimg->getDimension();
/*
Load crack image.
It is an image with a number of cracking stages
horizontally tiled.
*/
video::IImage *img_crack = driver->createImageFromFile(
getTexturePath("crack.png").c_str());
if(img_crack)
{
// Dimension of original image
core::dimension2d<u32> dim_crack
= img_crack->getDimension();
// Count of crack stages
u32 crack_count = dim_crack.Height / dim_crack.Width;
// Limit progression
if(progression > crack_count-1)
progression = crack_count-1;
// Dimension of a single scaled crack stage
core::dimension2d<u32> dim_crack_scaled_single(
dim_base.Width,
dim_base.Height
);
// Dimension of scaled size
core::dimension2d<u32> dim_crack_scaled(
dim_crack_scaled_single.Width,
dim_crack_scaled_single.Height * crack_count
);
// Create scaled crack image
video::IImage *img_crack_scaled = driver->createImage(
video::ECF_A8R8G8B8, dim_crack_scaled);
if(img_crack_scaled)
{
// Scale crack image by copying
img_crack->copyToScaling(img_crack_scaled);
// Position to copy the crack from
core::position2d<s32> pos_crack_scaled(
0,
dim_crack_scaled_single.Height * progression
);
// This tiling does nothing currently but is useful
for(u32 y0=0; y0<dim_base.Height
/ dim_crack_scaled_single.Height; y0++)
for(u32 x0=0; x0<dim_base.Width
/ dim_crack_scaled_single.Width; x0++)
{
// Position to copy the crack to in the base image
core::position2d<s32> pos_base(
x0*dim_crack_scaled_single.Width,
y0*dim_crack_scaled_single.Height
);
// Rectangle to copy the crack from on the scaled image
core::rect<s32> rect_crack_scaled(
pos_crack_scaled,
dim_crack_scaled_single
);
// Copy it
img_crack_scaled->copyToWithAlpha(baseimg, pos_base,
rect_crack_scaled,
video::SColor(255,255,255,255),
NULL);
}
img_crack_scaled->drop();
}
img_crack->drop();
}
}
/*
[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")
{
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);
baseimg = driver->createImage(video::ECF_A8R8G8B8, dim);
while(sf.atend() == false)
{
u32 x = stoi(sf.next(","));
u32 y = stoi(sf.next("="));
std::string filename = sf.next(":");
infostream<<"Adding \""<<filename
<<"\" to combined ("<<x<<","<<y<<")"
<<std::endl;
video::IImage *img = driver->createImageFromFile(
getTexturePath(filename.c_str()).c_str());
if(img)
{
core::dimension2d<u32> dim = img->getDimension();
infostream<<"Size "<<dim.Width
<<"x"<<dim.Height<<std::endl;
core::position2d<s32> pos_base(x, y);
video::IImage *img2 =
driver->createImage(video::ECF_A8R8G8B8, dim);
img->copyTo(img2);
img->drop();
img2->copyToWithAlpha(baseimg, pos_base,
core::rect<s32>(v2s32(0,0), dim),
video::SColor(255,255,255,255),
NULL);
img2->drop();
}
else
{
infostream<<"img==NULL"<<std::endl;
}
}
}
/*
[progressbarN
Adds a progress bar, 0.0 <= N <= 1.0
*/
else if(part_of_name.substr(0,12) == "[progressbar")
{
if(baseimg == NULL)
{
infostream<<"generate_image(): baseimg==NULL "
<<"for part_of_name=\""<<part_of_name
<<"\", cancelling."<<std::endl;
return false;
}
float value = stof(part_of_name.substr(12));
make_progressbar(value, baseimg);
}
/*
"[noalpha:filename.png"
Use an image without it's alpha channel.
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")
{
if(baseimg != NULL)
{
infostream<<"generate_image(): baseimg!=NULL "
<<"for part_of_name=\""<<part_of_name
<<"\", cancelling."<<std::endl;
return false;
}
std::string filename = part_of_name.substr(9);
std::string path = getTexturePath(filename.c_str());
infostream<<"generate_image(): Loading path \""<<path
<<"\""<<std::endl;
video::IImage *image = driver->createImageFromFile(path.c_str());
if(image == NULL)
{
infostream<<"generate_image(): Loading path \""
<<path<<"\" failed"<<std::endl;
}
else
{
core::dimension2d<u32> dim = image->getDimension();
baseimg = driver->createImage(video::ECF_A8R8G8B8, dim);
// Set alpha to full
for(u32 y=0; y<dim.Height; y++)
for(u32 x=0; x<dim.Width; x++)
{
video::SColor c = image->getPixel(x,y);
c.setAlpha(255);
image->setPixel(x,y,c);
}
// Blit
image->copyTo(baseimg);
image->drop();
}
}
/*
"[makealpha:R,G,B:filename.png"
Use an image with converting one color to transparent.
*/
else if(part_of_name.substr(0,11) == "[makealpha:")
{
if(baseimg != NULL)
{
infostream<<"generate_image(): baseimg!=NULL "
<<"for part_of_name=\""<<part_of_name
<<"\", cancelling."<<std::endl;
return false;
}
Strfnd sf(part_of_name.substr(11));
u32 r1 = stoi(sf.next(","));
u32 g1 = stoi(sf.next(","));
u32 b1 = stoi(sf.next(":"));
std::string filename = sf.next("");
std::string path = getTexturePath(filename.c_str());
infostream<<"generate_image(): Loading path \""<<path
<<"\""<<std::endl;
video::IImage *image = driver->createImageFromFile(path.c_str());
if(image == NULL)
{
infostream<<"generate_image(): Loading path \""
<<path<<"\" failed"<<std::endl;
}
else
{
core::dimension2d<u32> dim = image->getDimension();
baseimg = 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 = image->getPixel(x,y);
u32 r = c.getRed();
u32 g = c.getGreen();
u32 b = c.getBlue();
if(!(r == r1 && g == g1 && b == b1))
continue;
c.setAlpha(0);
image->setPixel(x,y,c);
}
// Blit
image->copyTo(baseimg);
image->drop();
}
}
/*
"[makealpha2:R,G,B;R2,G2,B2:filename.png"
Use an image with converting two colors to transparent.
*/
else if(part_of_name.substr(0,12) == "[makealpha2:")
{
if(baseimg != NULL)
{
infostream<<"generate_image(): baseimg!=NULL "
<<"for part_of_name=\""<<part_of_name
<<"\", cancelling."<<std::endl;
return false;
}
Strfnd sf(part_of_name.substr(12));
u32 r1 = stoi(sf.next(","));
u32 g1 = stoi(sf.next(","));
u32 b1 = stoi(sf.next(";"));
u32 r2 = stoi(sf.next(","));
u32 g2 = stoi(sf.next(","));
u32 b2 = stoi(sf.next(":"));
std::string filename = sf.next("");
std::string path = getTexturePath(filename.c_str());
infostream<<"generate_image(): Loading path \""<<path
<<"\""<<std::endl;
video::IImage *image = driver->createImageFromFile(path.c_str());
if(image == NULL)
{
infostream<<"generate_image(): Loading path \""
<<path<<"\" failed"<<std::endl;
}
else
{
core::dimension2d<u32> dim = image->getDimension();
baseimg = 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 = image->getPixel(x,y);
u32 r = c.getRed();
u32 g = c.getGreen();
u32 b = c.getBlue();
if(!(r == r1 && g == g1 && b == b1) &&
!(r == r2 && g == g2 && b == b2))
continue;
c.setAlpha(0);
image->setPixel(x,y,c);
}
// Blit
image->copyTo(baseimg);
image->drop();
}
}
/*
[inventorycube{topimage{leftimage{rightimage
In every subimage, replace ^ with &.
Create an "inventory cube".
NOTE: This should be used only on its own.
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")
{
if(baseimg != NULL)
{
infostream<<"generate_image(): baseimg!=NULL "
<<"for part_of_name=\""<<part_of_name
<<"\", cancelling."<<std::endl;
return false;
}
str_replace_char(part_of_name, '&', '^');
Strfnd sf(part_of_name);
sf.next("{");
std::string imagename_top = sf.next("{");
std::string imagename_left = sf.next("{");
std::string imagename_right = sf.next("{");
#if 1
//TODO
if(driver->queryFeature(video::EVDF_RENDER_TO_TARGET) == false)
{
infostream<<"generate_image(): EVDF_RENDER_TO_TARGET"
" not supported. Creating fallback image"<<std::endl;
baseimg = generate_image_from_scratch(
imagename_top, device);
return true;
}
u32 w0 = 64;
u32 h0 = 64;
//infostream<<"inventorycube w="<<w0<<" h="<<h0<<std::endl;
core::dimension2d<u32> dim(w0,h0);
// Generate images for the faces of the cube
video::IImage *img_top = generate_image_from_scratch(
imagename_top, device);
video::IImage *img_left = generate_image_from_scratch(
imagename_left, device);
video::IImage *img_right = generate_image_from_scratch(
imagename_right, device);
assert(img_top && img_left && img_right);
// TODO: Create textures from images
video::ITexture *texture_top = driver->addTexture(
(imagename_top + "__temp__").c_str(), img_top);
assert(texture_top);
// Drop images
img_top->drop();
img_left->drop();
img_right->drop();
// Create render target texture
video::ITexture *rtt = NULL;
std::string rtt_name = part_of_name + "_RTT";
rtt = driver->addRenderTargetTexture(dim, rtt_name.c_str(),
video::ECF_A8R8G8B8);
assert(rtt);
// Set render target
driver->setRenderTarget(rtt, true, true,
video::SColor(0,0,0,0));
// Get a scene manager
scene::ISceneManager *smgr_main = device->getSceneManager();
assert(smgr_main);
scene::ISceneManager *smgr = smgr_main->createNewSceneManager();
assert(smgr);
/*
Create scene:
- An unit cube is centered at 0,0,0
- Camera looks at cube from Y+, Z- towards Y-, Z+
NOTE: Cube has to be changed to something else because
the textures cannot be set individually (or can they?)
*/
scene::ISceneNode* cube = smgr->addCubeSceneNode(1.0, NULL, -1,
v3f(0,0,0), v3f(0, 45, 0));
// Set texture of cube
cube->setMaterialTexture(0, texture_top);
//cube->setMaterialFlag(video::EMF_LIGHTING, false);
cube->setMaterialFlag(video::EMF_ANTI_ALIASING, false);
cube->setMaterialFlag(video::EMF_BILINEAR_FILTER, false);
scene::ICameraSceneNode* camera = smgr->addCameraSceneNode(0,
v3f(0, 1.0, -1.5), v3f(0, 0, 0));
// Set orthogonal projection
core::CMatrix4<f32> pm;
pm.buildProjectionMatrixOrthoLH(1.65, 1.65, 0, 100);
camera->setProjectionMatrix(pm, true);
/*scene::ILightSceneNode *light =*/ smgr->addLightSceneNode(0,
v3f(-50, 100, 0), video::SColorf(0.5,0.5,0.5), 1000);
smgr->setAmbientLight(video::SColorf(0.2,0.2,0.2));
// Render scene
driver->beginScene(true, true, video::SColor(0,0,0,0));
smgr->drawAll();
driver->endScene();
// NOTE: The scene nodes should not be dropped, otherwise
// smgr->drop() segfaults
/*cube->drop();
camera->drop();
light->drop();*/
// Drop scene manager
smgr->drop();
// Unset render target
driver->setRenderTarget(0, true, true, 0);
//TODO: Free textures of images
driver->removeTexture(texture_top);
// Create image of render target
video::IImage *image = driver->createImage(rtt, v2s32(0,0), dim);
assert(image);
baseimg = driver->createImage(video::ECF_A8R8G8B8, dim);
if(image)
{
image->copyTo(baseimg);
image->drop();
}
#endif
}
else
{
infostream<<"generate_image(): Invalid "
" modification: \""<<part_of_name<<"\""<<std::endl;
}
}
return true;
}
void TextureSource::buildMainAtlas()
{
infostream<<"TextureSource::buildMainAtlas()"<<std::endl;
//return; // Disable (for testing)
video::IVideoDriver* driver = m_device->getVideoDriver();
assert(driver);
JMutexAutoLock lock(m_atlaspointer_cache_mutex);
// Create an image of the right size
core::dimension2d<u32> atlas_dim(1024,1024);
video::IImage *atlas_img =
driver->createImage(video::ECF_A8R8G8B8, atlas_dim);
//assert(atlas_img);
if(atlas_img == NULL)
{
errorstream<<"TextureSource::buildMainAtlas(): Failed to create atlas "
"image; not building texture atlas."<<std::endl;
return;
}
/*
A list of stuff to include in the texture atlas.
It is a single-dimensional texture atlas due to the need to tile
textures.
It should contain as much of the stuff shown in game as possible,
to minimize texture changes.
It fills up quickly, so do not add anything that isn't contained
in most MapBlocks. E.g. mese isn't suitable but stone is.
*/
core::array<std::string> sourcelist;
sourcelist.push_back("stone.png");
sourcelist.push_back("mud.png");
sourcelist.push_back("sand.png");
sourcelist.push_back("grass.png");
sourcelist.push_back("grass_footsteps.png");
sourcelist.push_back("tree.png");
sourcelist.push_back("tree_top.png");
sourcelist.push_back("water.png");
sourcelist.push_back("leaves.png");
sourcelist.push_back("glass.png");
sourcelist.push_back("mud.png^grass_side.png");
sourcelist.push_back("cobble.png");
sourcelist.push_back("mossycobble.png");
sourcelist.push_back("gravel.png");
sourcelist.push_back("jungletree.png");
sourcelist.push_back("stone.png^mineral_coal.png");
sourcelist.push_back("stone.png^mineral_iron.png");
// Padding to disallow texture bleeding
s32 padding = 16;
/*
First pass: generate almost everything
*/
core::position2d<s32> pos_in_atlas(0,0);
pos_in_atlas.Y += padding;
for(u32 i=0; i<sourcelist.size(); i++)
{
std::string name = sourcelist[i];
/*video::IImage *img = driver->createImageFromFile(
getTexturePath(name.c_str()).c_str());
if(img == NULL)
continue;
core::dimension2d<u32> dim = img->getDimension();
// Make a copy with the right color format
video::IImage *img2 =
driver->createImage(video::ECF_A8R8G8B8, dim);
img->copyTo(img2);
img->drop();*/
// Generate image by name
video::IImage *img2 = generate_image_from_scratch(name, m_device);
if(img2 == NULL)
{
infostream<<"TextureSource::buildMainAtlas(): Couldn't generate texture atlas: Couldn't generate image \""<<name<<"\""<<std::endl;
continue;
}
core::dimension2d<u32> dim = img2->getDimension();
// Don't add to atlas if image is large
core::dimension2d<u32> max_size_in_atlas(32,32);
if(dim.Width > max_size_in_atlas.Width
|| dim.Height > max_size_in_atlas.Height)
{
infostream<<"TextureSource::buildMainAtlas(): Not adding "
<<"\""<<name<<"\" because image is large"<<std::endl;
continue;
}
// Stop making atlas if atlas is full
if(pos_in_atlas.Y + dim.Height > atlas_dim.Height)
{
infostream<<"TextureSource::buildMainAtlas(): "
<<"Atlas is full, not adding more textures."
<<std::endl;
break;
}
infostream<<"TextureSource::buildMainAtlas(): Adding \""<<name
<<"\" to texture atlas"<<std::endl;
// Tile it a few times in the X direction
u16 xwise_tiling = 16;
for(u32 j=0; j<xwise_tiling; j++)
{
// Copy the copy to the atlas
img2->copyToWithAlpha(atlas_img,
pos_in_atlas + v2s32(j*dim.Width,0),
core::rect<s32>(v2s32(0,0), dim),
video::SColor(255,255,255,255),
NULL);
}
// Copy the borders a few times to disallow texture bleeding
for(u32 side=0; side<2; side++) // top and bottom
for(s32 y0=0; y0<padding; y0++)
for(s32 x0=0; x0<(s32)xwise_tiling*(s32)dim.Width; x0++)
{
s32 dst_y;
s32 src_y;
if(side==0)
{
dst_y = y0 + pos_in_atlas.Y + dim.Height;
src_y = pos_in_atlas.Y + dim.Height - 1;
}
else
{
dst_y = -y0 + pos_in_atlas.Y-1;
src_y = pos_in_atlas.Y;
}
s32 x = x0 + pos_in_atlas.X * dim.Width;
video::SColor c = atlas_img->getPixel(x, src_y);
atlas_img->setPixel(x,dst_y,c);
}
img2->drop();
/*
Add texture to caches
*/
// Get next id
u32 id = m_atlaspointer_cache.size();
// Create AtlasPointer
AtlasPointer ap(id);
ap.atlas = NULL; // Set on the second pass
ap.pos = v2f((float)pos_in_atlas.X/(float)atlas_dim.Width,
(float)pos_in_atlas.Y/(float)atlas_dim.Height);
ap.size = v2f((float)dim.Width/(float)atlas_dim.Width,
(float)dim.Width/(float)atlas_dim.Height);
ap.tiled = xwise_tiling;
// Create SourceAtlasPointer and add to containers
SourceAtlasPointer nap(name, ap, atlas_img, pos_in_atlas, dim);
m_atlaspointer_cache.push_back(nap);
m_name_to_id.insert(name, id);
// Increment position
pos_in_atlas.Y += dim.Height + padding * 2;
}
/*
Make texture
*/
video::ITexture *t = driver->addTexture("__main_atlas__", atlas_img);
assert(t);
/*
Second pass: set texture pointer in generated AtlasPointers
*/
for(u32 i=0; i<sourcelist.size(); i++)
{
std::string name = sourcelist[i];
if(m_name_to_id.find(name) == NULL)
continue;
u32 id = m_name_to_id[name];
//infostream<<"id of name "<<name<<" is "<<id<<std::endl;
m_atlaspointer_cache[id].a.atlas = t;
}
/*
Write image to file so that it can be inspected
*/
/*driver->writeImageToFile(atlas_img,
getTexturePath("main_atlas.png").c_str());*/
}
