// Reads Tiff Images
RGBAImage* RGBAImage::ReadTiff(char *filename)
{
RGBAImage *fimg = 0;
TIFF* tif = TIFFOpen(filename, "r");
char emsg[1024];
if (tif) {
TIFFRGBAImage img;
if (TIFFRGBAImageBegin(&img, tif, 0, emsg)) {
size_t npixels;
uint32* raster;
npixels = img.width * img.height;
raster = (uint32*) _TIFFmalloc(npixels * sizeof (uint32));
if (raster != NULL) {
if (TIFFRGBAImageGet(&img, raster, img.width, img.height)) {
// result is in ABGR
fimg = new RGBAImage(img.width, img.height);
for (int y = 0; y < img.height; y++) {
for (int x = 0; x < img.width; x++) {
fimg->Set(x,y, raster[x + y * img.width]);
}
}
}
_TIFFfree(raster);
}
}
TIFFRGBAImageEnd(&img);
} else {
TIFFError(filename, emsg);
}
return fimg;
}
static RGBAImage *ReadFromFile(const string &filename)
{
cout << "reading from file:" << filename << "\n";
vector<uint8_t> lodepng_image; //the raw pixels
unsigned width, height;
unsigned error = lodepng::decode(lodepng_image, width, height, filename.c_str());
if (error) {
cout << "decoder error " << error << ": " << lodepng_error_text(error) << endl;
return NULL;
}
//the pixels are now in the vector "image", 4 bytes per pixel,
//ordered RGBARGBA..., use it as texture, draw it, ...
cout << "width " << width << ", height " << height << "\n";
RGBAImage *rgbaimg = new RGBAImage(width,height,filename);
for(unsigned y = 0; y < height; y += 1) {
for(unsigned x = 0; x < width; x += 1) {
uint32_t red = lodepng_image[4 * y * width + 4 * x + 0]; //red
uint32_t green = lodepng_image[4 * y * width + 4 * x + 1]; //green
uint32_t blue = lodepng_image[4 * y * width + 4 * x + 2]; //blue
uint32_t alpha = lodepng_image[4 * y * width + 4 * x + 3]; //alpha
rgbaimg->Set( red, green, blue, alpha, y*width+x );
}
}
return rgbaimg;
}
Image* LoadHLWBuff( byte* buffer ){
byte *buf_p;
unsigned long mipdatasize;
int columns, rows, numPixels;
byte *pixbuf;
int row, column;
byte *palette;
LPWAD3_MIP lpMip;
unsigned char red, green, blue, alphabyte;
lpMip = (LPWAD3_MIP)buffer; //!\todo Make endian-safe.
mipdatasize = GET_MIP_DATA_SIZE( lpMip->width,lpMip->height );
palette = buffer + mipdatasize + 2;
buf_p = buffer + lpMip->offsets[0];
columns = lpMip->width;
rows = lpMip->height;
numPixels = columns * rows;
RGBAImage* image = new RGBAImage( columns, rows );
for ( row = 0; row < rows; row++ )
{
pixbuf = image->getRGBAPixels() + row * columns * 4;
for ( column = 0; column < columns; column++ )
{
int palIndex;
palIndex = *buf_p++;
red = *( palette + ( palIndex * 3 ) );
green = *( palette + ( palIndex * 3 ) + 1 );
blue = *( palette + ( palIndex * 3 ) + 2 );
// HalfLife engine makes pixels that are BLUE transparent.
// So show them that way in the editor.
if ( blue == 0xff && red == 0x00 && green == 0x00 ) {
alphabyte = 0x00;
blue = 0x00; // don't set the resulting pixel to blue
}
else
{
alphabyte = 0xff;
}
*pixbuf++ = red;
*pixbuf++ = green;
*pixbuf++ = blue;
*pixbuf++ = alphabyte;
}
}
return image;
}
/**
* Simple octree color quantization: Similar to http://rosettacode.org/wiki/Color_quantization#C
*/
void octreeColorQuantize(const RGBAImage& image, size_t max_colors,
std::vector<RGBAPixel>& colors, Octree** octree) {
assert(max_colors > 0);
// have an octree with the colors as leaves
Octree* internal_octree = new Octree();
// and a priority queue of leaves to be processed
// the order of leaves is very important, see NodeComparator
std::priority_queue<Octree*, std::vector<Octree*>, NodeComparator> queue;
// insert the colors into the octree
for (int x = 0; x < image.getWidth(); x++) {
for (int y = 0; y < image.getHeight(); y++) {
RGBAPixel color = image.pixel(x, y);
Octree* node = Octree::findOrCreateNode(internal_octree, color);
node->setColor(color);
// add the leaf only once to the queue
if (node->getCount() == 1)
queue.push(node);
}
}
// now: reduce the leaves until we have less colors than maximum
while (queue.size() > max_colors) {
Octree* node = queue.top();
assert(node->isLeaf());
queue.pop();
// add the color value of the leaf to the parent
node->reduceToParent();
Octree* parent = node->getParent();
// delete the leaf (leaf is automatically removed from parent in reduceToParent())
delete node;
// add parent to queue if it is a leaf now
if (parent->isLeaf())
queue.push(parent);
}
// gather the quantized colors
while (queue.size()) {
Octree* node = queue.top();
assert(node->isLeaf());
node->setColorID(colors.size());
colors.push_back(node->getColor());
queue.pop();
}
if (octree != nullptr)
*octree = internal_octree;
else
delete internal_octree;
}
GLuint GLUtils::generateTexture(const RGBAImage &img, GLuint &tex)
{
int width = img.width();
int height = img.height();
cout<<"Image size: "<<width<<"x"<<height<<endl;
cout<<"Generating image texture..."<<endl;
GLfloat *m = new GLfloat[width * height * 4];
int i, j;
//float c;
for (i = 0; i < height; i++) {
int y = i;
for (j = 0; j < width; j++) {
int x = j;
float r = img(x, y, 0);
float g = img(x, y, 1);
float b = img(x, y, 2);
float a = img(x, y, 3);
int baseIdx = (y * width + x) * 4;
//float randVaue = (float)rand()/(float)RAND_MAX;
m[baseIdx+ 0] = r;
m[baseIdx+ 1] = g;
m[baseIdx+ 2] = b;
m[baseIdx+ 3] = a;
}
}
glEnable(GL_TEXTURE_2D);
glDeleteTextures(1, &tex);
glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
glGenTextures(1, &tex);
glBindTexture(GL_TEXTURE_2D, tex);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER,
GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER,
GL_LINEAR);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA32F_ARB, width,
height, 0, GL_RGBA, GL_FLOAT,
m);
glDisable(GL_TEXTURE_2D);
cout<<"Image texture ID: "<<tex<<endl;
delete[] m;
return tex;
}
static Image* LoadImage (ArchiveFile& file, const char *extension)
{
RGBAImage* image = (RGBAImage *) 0;
/* load the buffer from pk3 or filesystem */
ScopedArchiveBuffer buffer(file);
GdkPixbufLoader *loader = gdk_pixbuf_loader_new_with_type(extension, (GError**) 0);
if (loader == (GdkPixbufLoader*)0) {
g_warning("could not get a loader for: '%s'\n", extension);
return image;
}
GError *error = (GError *) 0;
if (gdk_pixbuf_loader_write(loader, (const guchar *) buffer.buffer, static_cast<gsize> (buffer.length),
&error)) {
int pos = 0;
GdkPixbuf *pixbuf = gdk_pixbuf_loader_get_pixbuf(loader);
const int width = gdk_pixbuf_get_width(pixbuf);
const int height = gdk_pixbuf_get_height(pixbuf);
const gboolean hasAlpha = gdk_pixbuf_get_has_alpha(pixbuf);
const int stepWidth = gdk_pixbuf_get_n_channels(pixbuf);
const guchar *pixels = gdk_pixbuf_get_pixels(pixbuf);
image = new RGBAImage(width, height, false);
byte *rgba = image->getRGBAPixels();
const int rowextra = gdk_pixbuf_get_rowstride(pixbuf) - width * stepWidth;
for (int y = 0; y < height; ++y, pixels += rowextra) {
for (int x = 0; x < width; ++x) {
rgba[pos++] = *(pixels++);
rgba[pos++] = *(pixels++);
rgba[pos++] = *(pixels++);
if (hasAlpha && *pixels != 255)
image->setHasAlpha(true);
rgba[pos++] = hasAlpha ? *(pixels++) : 255;
}
}
g_object_unref(pixbuf);
} else {
g_warning("image could not get loaded: '%s' %s\n",
file.getName().c_str(), (error != (GError *) 0) ? error->message : "");
if (error)
g_error_free(error);
}
gdk_pixbuf_loader_close(loader, (GError**) 0);
return image;
}
static Image* LoadImageGDK (ArchiveFile& file)
{
// Allocate a new GdkPixBuf and create an alpha-channel with alpha=1.0
GdkPixbuf* rawPixbuf = gdk_pixbuf_new_from_file(file.getName().c_str(), NULL);
// Only create an alpha channel if the other rawPixbuf could be loaded
GdkPixbuf* img = (rawPixbuf != NULL) ? gdk_pixbuf_add_alpha(rawPixbuf, TRUE, 255, 0, 255) : NULL;
if (img != NULL) {
// Allocate a new image
RGBAImage* image = new RGBAImage(gdk_pixbuf_get_width(img), gdk_pixbuf_get_height(img), false);
// Initialise the source buffer pointers
guchar* gdkStart = gdk_pixbuf_get_pixels(img);
int rowstride = gdk_pixbuf_get_rowstride(img);
int numChannels = gdk_pixbuf_get_n_channels(img);
// Set the target buffer pointer to the first RGBAPixel
RGBAPixel* targetPixel = image->pixels;
// Now do an unelegant cycle over all the pixels and move them into the target
for (unsigned int y = 0; y < image->height; y++) {
for (unsigned int x = 0; x < image->width; x++) {
guchar* gdkPixel = gdkStart + y * rowstride + x * numChannels;
// Copy the values from the GdkPixel
targetPixel->red = gdkPixel[0];
targetPixel->green = gdkPixel[1];
targetPixel->blue = gdkPixel[2];
targetPixel->alpha = gdkPixel[3];
if (targetPixel->alpha != 255)
image->setHasAlpha(true);
// Increase the pointer
targetPixel++;
}
}
// Free the GdkPixbufs from the memory
g_object_unref(G_OBJECT(img));
g_object_unref(G_OBJECT(rawPixbuf));
return image;
} else {
g_warning("image could not get loaded: '%s'\n", file.getName().c_str());
}
// No image could be loaded, return NULL
return NULL;
}
Image* LoadDDSBuff( const byte* buffer ){
int width, height;
ddsPF_t pixelFormat;
if ( DDSGetInfo( reinterpret_cast<ddsBuffer_t*>( const_cast<byte*>( buffer ) ), &width, &height, &pixelFormat ) == -1 ) {
return 0;
}
RGBAImage* image = new RGBAImage( width, height );
if ( DDSDecompress( reinterpret_cast<ddsBuffer_t*>( const_cast<byte*>( buffer ) ), image->getRGBAPixels() ) == -1 ) {
image->release();
return 0;
}
return image;
}
static RGBAImage *ToRGBAImage(FIBITMAP *image, const char *filename=NULL)
{
const int w = FreeImage_GetWidth(image);
const int h = FreeImage_GetHeight(image);
RGBAImage* result = new RGBAImage(w, h, filename);
// Copy the image over to our internal format, FreeImage has the scanlines bottom to top though.
unsigned int* dest = result->Get_Data();
for( int y=0; y < h; y++, dest += w )
{
const unsigned int* scanline = reinterpret_cast<const unsigned int*>(FreeImage_GetScanLine(image, h - y - 1));
memcpy(dest, scanline, sizeof(dest[0]) * w);
}
return result;
}
void testPNG()
{
RGBAImage img;
img.create(100, 100);
for (vector<RGBAPixel>::iterator it = img.data.begin(); it != img.data.end(); it++)
{
*it = ((rand() % 256) << 24) | ((rand() % 256) << 16) | ((rand() % 256) << 8) | (rand() % 256);
}
img.writePNG("test.png");
RGBAImage img2;
img2.readPNG("test.png");
if (img2.data != img.data)
cout << "images don't match after trip through PNG!" << endl;
else
cout << "PNG test successful" << endl;
}
Image* LoadMDLImageBuff( byte* buffer ){
if ( !LoadPalette() ) {
return 0;
}
if ( !ident_equal( buffer, MDL_IDENT ) ) {
globalErrorStream() << "LoadMDLImage: data has wrong ident\n";
return 0;
}
PointerInputStream inputStream( buffer );
inputStream.seek( 4 + 4 + 12 + 12 + 4 + 12 );
//int numskins =
istream_read_int32_le( inputStream );
int skinwidth = istream_read_int32_le( inputStream );
int skinheight = istream_read_int32_le( inputStream );
inputStream.seek( 4 + 4 + 4 + 4 + 4 + 4 );
switch ( istream_read_int32_le( inputStream ) )
{
case MDL_SKIN_SINGLE:
break;
case MDL_SKIN_GROUP:
int numskins = istream_read_int32_le( inputStream );
inputStream.seek( numskins * 4 );
break;
}
RGBAImage* image = new RGBAImage( skinwidth, skinheight );
unsigned char* pRGBA = image->getRGBAPixels();
for ( int i = 0; i < ( skinheight ); i++ )
{
for ( int j = 0; j < ( skinwidth ); j++ )
{
byte index = istream_read_byte( inputStream );
*pRGBA++ = mdl_palette[index * 3 + 0];
*pRGBA++ = mdl_palette[index * 3 + 1];
*pRGBA++ = mdl_palette[index * 3 + 2];
*pRGBA++ = 255;
}
}
return image;
}
static Image* LoadJPGBuff_( const void *src_buffer, int src_size ){
struct jpeg_decompress_struct cinfo;
struct my_jpeg_error_mgr jerr;
cinfo.err = jpeg_std_error( &jerr.pub );
jerr.pub.error_exit = my_jpeg_error_exit;
if ( setjmp( jerr.setjmp_buffer ) ) { //< TODO: use c++ exceptions instead of setjmp/longjmp to handle errors
globalErrorStream() << "WARNING: JPEG library error: " << errormsg << "\n";
jpeg_destroy_decompress( &cinfo );
return 0;
}
jpeg_create_decompress( &cinfo );
jpeg_buffer_src( &cinfo, const_cast<void*>( src_buffer ), src_size );
jpeg_read_header( &cinfo, TRUE );
jpeg_start_decompress( &cinfo );
int row_stride = cinfo.output_width * cinfo.output_components;
RGBAImage* image = new RGBAImage( cinfo.output_width, cinfo.output_height );
JSAMPARRAY buffer = ( *cinfo.mem->alloc_sarray )( ( j_common_ptr ) & cinfo, JPOOL_IMAGE, row_stride, 1 );
while ( cinfo.output_scanline < cinfo.output_height )
{
jpeg_read_scanlines( &cinfo, buffer, 1 );
if ( cinfo.out_color_components == 4 ) {
j_putRGBAScanline( buffer[0], cinfo.output_width, image->getRGBAPixels(), cinfo.output_scanline - 1 );
}
else if ( cinfo.out_color_components == 3 ) {
j_putRGBScanline( buffer[0], cinfo.output_width, image->getRGBAPixels(), cinfo.output_scanline - 1 );
}
else if ( cinfo.out_color_components == 1 ) {
j_putGrayScanlineToRGB( buffer[0], cinfo.output_width, image->getRGBAPixels(), cinfo.output_scanline - 1 );
}
}
jpeg_finish_decompress( &cinfo );
jpeg_destroy_decompress( &cinfo );
return image;
}
void CaveRendermode::draw(RGBAImage& image, const mc::BlockPos& pos,
uint16_t id, uint16_t data) {
// a nice color gradient to see something
// (because the whole map is just full of cave stuff,
// one can't differentiate the single caves)
double h1 = (double) (64 - pos.y) / 64;
if (pos.y > 64)
h1 = 0;
double h2 = 0;
if (pos.y >= 64 && pos.y < 96)
h2 = (double) (96 - pos.y) / 32;
else if (pos.y > 16 && pos.y < 64)
h2 = (double) (pos.y - 16) / 48;
double h3 = 0;
if (pos.y > 64)
h3 = (double) (pos.y - 64) / 64;
int R = h1 * 128.0 + 128.0;
int G = h2 * 255.0;
int B = h3 * 255.0;
int Y = (R*3+G*10+B)/14; //get luminance of recolor
// We try to do luminance-neutral additive/subtractive color instead of alpha blending, for better contrast
// So first subtract luminance from each component.
R = (R-Y)/3; // /3 is similar to alpha=85
G = (G-Y)/3;
B = (B-Y)/3;
int size = image.getWidth();
for (int y = 0; y < size; y++)
for (int x = 0; x < size; x++) {
uint32_t pixel = image.getPixel(x, y);
if (pixel != 0) {
image.setPixel(x,y, rgba_add_clamp(pixel, R, G, B));
}
}
}
void TopdownTileRenderer::renderTile(const TilePos& tile_pos, RGBAImage& tile) {
int texture_size = images->getTextureSize();
tile.setSize(getTileSize(), getTileSize());
for (int x = 0; x < tile_width; x++) {
for (int z = 0; z < tile_width; z++) {
mc::ChunkPos chunkpos(tile_pos.getX() * tile_width + x, tile_pos.getY() * tile_width + z);
current_chunk = world->getChunk(chunkpos);
if (current_chunk != nullptr)
renderChunk(*current_chunk, tile, texture_size*16*x, texture_size*16*z);
}
}
}
void testOctreeWithImage(const RGBAImage& image) {
std::set<RGBAPixel> colors;
int r = 0, g = 0, b = 0, count = 0;
Octree octree;
// insert all pixels into an octree
for (int x = 0; x < image.getWidth(); x++) {
for (int y = 0; y < image.getHeight(); y++) {
RGBAPixel color = image.getPixel(x, y);
colors.insert(color);
r += rgba_red(color);
g += rgba_green(color);
b += rgba_blue(color);
count++;
Octree::findOrCreateNode(&octree, color)->setColor(color);
}
}
// make sure that all colors are inserted correctly
BOOST_CHECK(octree.isRoot() && !octree.isLeaf());
BOOST_CHECK(!octree.hasColor());
// reduce all colors up to the root of the tree
// the color should be the overall average color
traverseReduceOctree(&octree);
BOOST_CHECK(octree.hasColor());
RGBAPixel average1 = octree.getColor();
RGBAPixel average2 = rgba(r / count, g / count, b / count, 255);
BOOST_CHECK_EQUAL(average1, average2);
BOOST_TEST_MESSAGE("Overall colors: " << colors.size());
BOOST_TEST_MESSAGE("Pixels per color: " << (double) (image.getWidth() * image.getHeight()) / colors.size());
BOOST_TEST_MESSAGE("Average color: " << (int) rgba_red(average1) << ","
<< (int) rgba_green(average1) << "," << (int) rgba_blue(average1));
}
static std::shared_ptr<FIBITMAP> to_free_image(const RGBAImage &image)
{
const auto *data = image.get_data();
std::shared_ptr<FIBITMAP> bitmap(
FreeImage_Allocate(image.get_width(), image.get_height(), 32,
0x000000ff, 0x0000ff00, 0x00ff0000),
FreeImageDeleter());
assert(bitmap.get());
for (auto y = 0u; y < image.get_height();
y++, data += image.get_width())
{
auto scanline = reinterpret_cast<unsigned int *>(
FreeImage_GetScanLine(bitmap.get(), image.get_height() - y - 1));
memcpy(scanline, data, sizeof(data[0]) * image.get_width());
}
return bitmap;
}
void TopdownTileRenderer::renderChunk(const mc::Chunk& chunk, RGBAImage& tile, int dx, int dy) {
// TODO implement preblit water render behavior
int texture_size = images->getTextureSize();
for (int x = 0; x < 16; x++) {
for (int z = 0; z < 16; z++) {
std::deque<RenderBlock> blocks;
// TODO make this water thing a bit nicer
bool in_water = false;
int water = 0;
mc::LocalBlockPos localpos(x, z, 0);
//int height = chunk.getHeightAt(localpos);
//localpos.y = height;
localpos.y = -1;
if (localpos.y >= mc::CHUNK_HEIGHT*16 || localpos.y < 0)
localpos.y = mc::CHUNK_HEIGHT*16 - 1;
uint16_t id = chunk.getBlockID(localpos);
while (id == 0 && localpos.y > 0) {
localpos.y--;
id = chunk.getBlockID(localpos);
}
if (localpos.y < 0)
continue;
while (localpos.y >= 0) {
mc::BlockPos globalpos = localpos.toGlobalPos(chunk.getPos());
id = chunk.getBlockID(localpos);
if (id == 0) {
in_water = false;
localpos.y--;
continue;
}
uint16_t data = chunk.getBlockData(localpos);
bool is_water = (id == 8 || id == 9) && data == 0;
if (render_mode->isHidden(globalpos, id, data)) {
localpos.y--;
continue;
}
if (is_water && !use_preblit_water) {
if (is_water == in_water) {
localpos.y--;
continue;
}
in_water = is_water;
} else if (use_preblit_water) {
if (!is_water)
water = 0;
else {
water++;
if (water > images->getMaxWaterPreblit()) {
auto it = blocks.begin();
while (it != blocks.end()) {
auto current = it++;
if (it == blocks.end() || (it->id != 8 && it->id != 9)) {
RenderBlock& top = *current;
// blocks.erase(current);
top.id = 8;
top.data = OPAQUE_WATER;
top.block = images->getBlock(top.id, top.data);
render_mode->draw(top.block, top.pos, top.id, top.data);
// blocks.insert(current, top);
break;
} else {
blocks.erase(current);
}
}
break;
}
}
}
data = checkNeighbors(globalpos, id, data);
RGBAImage block = images->getBlock(id, data);
if (Biome::isBiomeBlock(id, data)) {
block = images->getBiomeBlock(id, data, getBiomeOfBlock(globalpos, &chunk));
}
render_mode->draw(block, globalpos, id, data);
RenderBlock render_block;
render_block.block = block;
render_block.id = id;
render_block.data = data;
render_block.pos = globalpos;
blocks.push_back(render_block);
if (!images->isBlockTransparent(id, data))
break;
localpos.y--;
}
while (blocks.size() > 0) {
RenderBlock render_block = blocks.back();
tile.alphaBlit(render_block.block, dx + x*texture_size, dy + z*texture_size);
blocks.pop_back();
}
}
}
}
bool expandMap(const string& outputpath)
{
// read old params
MapParams mp;
if (!mp.readFile(outputpath))
{
cerr << "pigmap.params missing or corrupt" << endl;
return false;
}
int32_t tileSize = mp.tileSize();
// to expand a map, the following must be done:
// 1. the top-left quadrant of the current zoom level 1 needs to be moved to zoom level 2, where
// it will become the bottom-right quadrant of the top-left quadrant of the new zoom level 1,
// so the top-level file "0.png" and subdirectory "0" must become "0/3.png" and "0/3",
// respectively; and similarly for the other three quadrants
// 2. new zoom level 1 tiles must be created: "0.png" is 3/4 empty, but has a shrunk version of
// the old "0.png" (which is the new "0/3.png") in its bottom-right, etc.
// 3. a new "base.png" must be created from the new zoom level 1 tiles
// move everything at zoom 1 or higher one level deeper
// ...first the subdirectories
renameFile(outputpath + "/0", outputpath + "/old0");
renameFile(outputpath + "/1", outputpath + "/old1");
renameFile(outputpath + "/2", outputpath + "/old2");
renameFile(outputpath + "/3", outputpath + "/old3");
makePath(outputpath + "/0");
makePath(outputpath + "/1");
makePath(outputpath + "/2");
makePath(outputpath + "/3");
renameFile(outputpath + "/old0", outputpath + "/0/3");
renameFile(outputpath + "/old1", outputpath + "/1/2");
renameFile(outputpath + "/old2", outputpath + "/2/1");
renameFile(outputpath + "/old3", outputpath + "/3/0");
// ...now the zoom 1 files
const char* formatExtensions[] = {".png", ".jpeg"};
ImageSettings::Format formats[] = {ImageSettings::Format_PNG, ImageSettings::Format_JPEG};
for (int i = 0; i < 2; ++i) {
if (ImageSettings::format == formats[i] || ImageSettings::format == ImageSettings::Format_Both)
{
const char* format = formatExtensions[i];
renameFile(outputpath + "/0" + format, outputpath + "/0/3" + format);
renameFile(outputpath + "/1" + format, outputpath + "/1/2" + format);
renameFile(outputpath + "/2" + format, outputpath + "/2/1" + format);
renameFile(outputpath + "/3" + format, outputpath + "/3/0" + format);
}
}
// build the new zoom 1 tiles
RGBAImage old0img;
bool used0 = old0img.readPNG(outputpath + "/0/3.png");
RGBAImage new0img;
new0img.create(tileSize, tileSize);
if (used0)
{
reduceHalf(new0img, ImageRect(tileSize/2, tileSize/2, tileSize/2, tileSize/2), old0img);
new0img.writeImage(outputpath + "/0");
}
RGBAImage old1img;
bool used1 = old1img.readPNG(outputpath + "/1/2.png");
RGBAImage new1img;
new1img.create(tileSize, tileSize);
if (used1)
{
reduceHalf(new1img, ImageRect(0, tileSize/2, tileSize/2, tileSize/2), old1img);
new1img.writeImage(outputpath + "/1");
}
RGBAImage old2img;
bool used2 = old2img.readPNG(outputpath + "/2/1.png");
RGBAImage new2img;
new2img.create(tileSize, tileSize);
if (used2)
{
reduceHalf(new2img, ImageRect(tileSize/2, 0, tileSize/2, tileSize/2), old2img);
new2img.writeImage(outputpath + "/2");
}
RGBAImage old3img;
bool used3 = old3img.readPNG(outputpath + "/3/0.png");
RGBAImage new3img;
new3img.create(tileSize, tileSize);
if (used3)
{
reduceHalf(new3img, ImageRect(0, 0, tileSize/2, tileSize/2), old3img);
new3img.writeImage(outputpath + "/3");
}
// build the new base tile
RGBAImage newbase;
newbase.create(tileSize, tileSize);
if (used0)
reduceHalf(newbase, ImageRect(0, 0, tileSize/2, tileSize/2), new0img);
if (used1)
reduceHalf(newbase, ImageRect(tileSize/2, 0, tileSize/2, tileSize/2), new1img);
if (used2)
reduceHalf(newbase, ImageRect(0, tileSize/2, tileSize/2, tileSize/2), new2img);
if (used3)
reduceHalf(newbase, ImageRect(tileSize/2, tileSize/2, tileSize/2, tileSize/2), new3img);
newbase.writeImage(outputpath + "/base");
// write new params (with incremented baseZoom)
mp.baseZoom++;
mp.writeFile(outputpath);
// touch all tiles, to prevent browser cache mishaps (since many new tiles will have the same
// filename as some old tile, but possibly with an earlier timestamp)
if (system((string("find ") + outputpath + " -exec touch {} +").c_str()) < 0)
cerr << "Error changing mtimes. Ignoring..." << endl;
return true;
}
Image* LoadIDSPBuff( byte *buffer ){
byte *buf_p;
int columns, rows;
byte *pixbuf;
int row, column;
byte *palette;
unsigned char red, green, blue, alphabyte;
dspriteheader_t *header;
dspritev1_t *pinv1;
dspritev2_t *pinv2;
dspriteframetype_t *pframetype;
int version;
int numframes;
dspriteframe_t *spriteframe;
header = (dspriteheader_t *)buffer;
if ( header->ident != IDSPRITEHEADER ) {
globalWarningStream() << "WARNING: IDSP file has wrong header\n";
return 0;
}
version = header->version;
if ( version != 1 && version != 2 ) {
globalWarningStream() << "WARNING: IDSP file has wrong version number "
"(" << version << " should be 1 or 2)\n";
return 0;
}
// initialise variables depending on the sprite version.
switch ( version )
{
case 1:
pinv1 = (dspritev1_t *)( header + 1 );
numframes = pinv1->numframes;
columns = pinv1->width;
rows = pinv1->height;
pframetype = (dspriteframetype_t *)( pinv1 + 1 );
break;
case 2:
pinv2 = (dspritev2_t *)( header + 1 );
numframes = pinv2->numframes;
columns = pinv2->width;
rows = pinv2->height;
pframetype = (dspriteframetype_t *)( pinv2 + 1 );
break;
default:
globalWarningStream() << "WARNING: IDSP file has unsupported version\n";
return 0;
}
if ( numframes > 1 ) {
globalWarningStream() << "WARNING: IDSP file has multiple frames, only the first frame will be used.\n";
}
// palette = buffer+mipdatasize+2;
// buf_p = buffer+lpMip->offsets[0];
RGBAImage* image = new RGBAImage( columns, rows );
#ifdef DEBUG
frametype = spriteframetype_t( pframetype->type );
if ( frametype == SPR_SINGLE ) {
globalOutputStream() << "Single Frame\n";
}
else if ( frametype == SPR_GROUP ) {
globalOutputStream() << "Group of Frames\n";
}
else
{
globalWarningStream() << "Bleh!\n"; // <-- we always get this, wtf!
}
#endif
palette = (byte *)( pframetype + 1 );
spriteframe = (dspriteframe_t *)( palette + ( 256 * 3 ) + 4 ); // what are those 4 extra bytes ? what's missing ?
buf_p = (byte *)( spriteframe + 1 );
for ( row = 0; row < rows; row++ )
{
pixbuf = image->getRGBAPixels() + row * columns * 4;
for ( column = 0; column < columns; column++ )
{
int palIndex;
palIndex = *buf_p++;
red = *( palette + ( palIndex * 3 ) );
green = *( palette + ( palIndex * 3 ) + 1 );
blue = *( palette + ( palIndex * 3 ) + 2 );
// HalfLife engine makes pixels that are BLUE transparent. (RGB = 0x0000FF)
// So show them that way in the editor.
if ( blue == 0xff && red == 0x00 && green == 0x00 ) {
alphabyte = 0xff; //FIXME: backwards? (so sprite models to render correctly)
blue = 0x00; // don't set the resulting pixel to blue
}
else
{
alphabyte = 0x00; //FIXME: backwards? (so sprite models to render correctly)
}
*pixbuf++ = red;
*pixbuf++ = green;
*pixbuf++ = blue;
*pixbuf++ = alphabyte;
}
}
return image;
}
void IsometricTileRenderer::renderTile(const TilePos& tile_pos, RGBAImage& tile) {
// some vars, set correct image size
int block_size = images->getBlockSize();
tile.setSize(getTileSize(), getTileSize());
// get the maximum count of water blocks
// blitted about each over, until they are nearly opaque
int max_water = images->getMaxWaterPreblit();
// all visible blocks which are rendered in this tile
std::set<RenderBlock> blocks;
// iterate over the highest blocks in the tile
// we use as tile position tile_pos+tile_offset because the offset means that
// we treat the tile position as tile_pos, but it's actually tile_pos+tile_offset
for (TileTopBlockIterator it(tile_pos, block_size, tile_width);
!it.end(); it.next()) {
// water render behavior n1:
// are we already in a row of water?
bool in_water = false;
// water render behavior n2:
// water counter, how many water blocks are at the moment in this row?
int water = 0;
// the render block objects in our current block row
std::set<RenderBlock> row_nodes;
// then iterate over the blocks, which are on the tile at the same position,
// beginning from the highest block
for (BlockRowIterator block(it.current); !block.end(); block.next()) {
// get current chunk position
mc::ChunkPos current_chunk_pos(block.current);
// check if current chunk is not null
// and if the chunk wasn't replaced in the cache (i.e. position changed)
if (current_chunk == nullptr || current_chunk->getPos() != current_chunk_pos)
// get chunk if not
//if (!state.world->hasChunkSection(current_chunk, block.current.y))
// continue;
current_chunk = world->getChunk(current_chunk_pos);
if (current_chunk == nullptr) {
// here is nothing (= air),
// so reset state if we are in water
in_water = false;
continue;
}
// get local block position
mc::LocalBlockPos local(block.current);
// now get block id
uint16_t id = current_chunk->getBlockID(local);
// air is completely transparent so continue
if (id == 0) {
in_water = false;
continue;
}
// now get the block data
uint16_t data = current_chunk->getBlockData(local);
// check if the render mode hides this block
if (render_mode->isHidden(block.current, id, data))
continue;
bool is_water = (id == 8 || id == 9) && data == 0;
if (is_water && !use_preblit_water) {
// water render behavior n1:
// render only the top sides of the water blocks
// and darken the ground with the lighting data
// used for lighting rendermode
// if we are already in water, skip checking this water block
if (is_water && in_water)
continue;
in_water = is_water;
} else if (use_preblit_water) {
// water render behavior n2:
// render the top side of every water block
// have also preblit water blocks to skip redundant alphablitting
// no lighting is needed because the 'opaque-water-effect'
// is created by blitting the top sides of the water blocks
// one above the other
if (!is_water) {
// if not water, reset the counter
water = 0;
} else {
water++;
// when we have enough water in a row
// we can stop searching more blocks
// and replace the already added render blocks with a preblit water block
if (water > max_water) {
std::set<RenderBlock>::const_iterator it = row_nodes.begin();
// iterate through the render blocks in this row
while (it != row_nodes.end()) {
std::set<RenderBlock>::const_iterator current = it++;
// check if we have reached the top most water block
if (it == row_nodes.end() || (it->id != 8 && it->id != 9)) {
RenderBlock top = *current;
row_nodes.erase(current);
// check for neighbors
mc::Block south, west;
south = getBlock(top.pos + mc::DIR_SOUTH);
west = getBlock(top.pos + mc::DIR_WEST);
id = 8;
data = OPAQUE_WATER;
bool neighbor_south = !south.isFullWater();
if (neighbor_south)
// data |= DATA_SOUTH;
data |= OPAQUE_WATER_SOUTH;
bool neighbor_west = !west.isFullWater();
if (neighbor_west)
// data |= DATA_WEST;
data |= OPAQUE_WATER_WEST;
// get image and replace the old render block with this
//top.image = images->getOpaqueWater(neighbor_south,
// neighbor_west);
top.image = images->getBlock(id, data);
// don't forget the render mode
render_mode->draw(top.image, top.pos, id, data);
row_nodes.insert(top);
break;
} else {
// water render block
row_nodes.erase(current);
}
}
break;
}
}
}
// check for special data (neighbor related)
// get block image, check for transparency, create render block...
data = checkNeighbors(block.current, id, data);
//if (is_water && (data & DATA_WEST) && (data & DATA_SOUTH))
// continue;
RGBAImage image;
bool transparent = images->isBlockTransparent(id, data);
// check for biome data
if (Biome::isBiomeBlock(id, data))
image = images->getBiomeBlock(id, data, getBiomeOfBlock(block.current, current_chunk));
else
image = images->getBlock(id, data);
RenderBlock node;
node.x = it.draw_x;
node.y = it.draw_y;
node.pos = block.current;
node.image = image;
node.id = id;
node.data = data;
// let the render mode do their magic with the block image
render_mode->draw(node.image, node.pos, id, data);
// insert into current row
row_nodes.insert(node);
// if this block is not transparent, then break
if (!transparent)
break;
}
// iterate through the created render blocks
for (std::set<RenderBlock>::const_iterator it = row_nodes.begin();
it != row_nodes.end(); ++it) {
std::set<RenderBlock>::const_iterator next = it;
next++;
// insert render block to
if (next == row_nodes.end()) {
blocks.insert(*it);
} else {
// skip unnecessary leaves
if (it->id == 18 && next->id == 18 && (next->data & 3) == (it->data & 3))
continue;
blocks.insert(*it);
}
}
}
// now blit all blocks
for (std::set<RenderBlock>::const_iterator it = blocks.begin(); it != blocks.end();
++it) {
tile.alphaBlit(it->image, it->x, it->y);
}
}