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Change how [combine parameters are checked

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the old checks were too strict
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sfan5 2024-01-27 20:26:43 +01:00 committed by Lars Müller
parent b1ee137177
commit ffec698d3e
1 changed files with 33 additions and 21 deletions
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52
src/client/tile.cpp
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@ -35,6 +35,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
#include "guiscalingfilter.h" #include "guiscalingfilter.h"
#include "renderingengine.h" #include "renderingengine.h"
#include "util/base64.h" #include "util/base64.h"
#include "irrlicht_changes/printing.h"
/* /*
A cache from texture name to texture path A cache from texture name to texture path
@ -1323,37 +1324,45 @@ bool TextureSource::generateImagePart(std::string part_of_name,
sf.next(":"); sf.next(":");
u32 w0 = stoi(sf.next("x")); u32 w0 = stoi(sf.next("x"));
u32 h0 = stoi(sf.next(":")); u32 h0 = stoi(sf.next(":"));
if (!baseimg) {
CHECK_DIM(w0, h0); CHECK_DIM(w0, h0);
core::dimension2d<u32> dim(w0,h0); baseimg = driver->createImage(video::ECF_A8R8G8B8, {w0, h0});
if (baseimg == NULL) {
baseimg = driver->createImage(video::ECF_A8R8G8B8, dim);
baseimg->fill(video::SColor(0,0,0,0)); baseimg->fill(video::SColor(0,0,0,0));
} }
while (!sf.at_end()) { while (!sf.at_end()) {
u32 x = stoi(sf.next(",")); v2s32 pos_base;
u32 y = stoi(sf.next("=")); pos_base.X = stoi(sf.next(","));
pos_base.Y = stoi(sf.next("="));
std::string filename = unescape_string(sf.next_esc(":", escape), escape); std::string filename = unescape_string(sf.next_esc(":", escape), escape);
if (x >= w0 || y >= h0) auto basedim = baseimg->getDimension();
COMPLAIN_INVALID("X or Y offset"); if (pos_base.X > (s32)basedim.Width || pos_base.Y > (s32)basedim.Height) {
infostream<<"Adding \""<<filename warningstream << "generateImagePart(): Skipping \""
<<"\" to combined ("<<x<<","<<y<<")" << filename << "\" as it's out-of-bounds " << pos_base
<<std::endl; << " for [combine" << std::endl;
continue;
}
infostream << "Adding \"" << filename<< "\" to combined "
<< pos_base << std::endl;
video::IImage *img = generateImage(filename, source_image_names); video::IImage *img = generateImage(filename, source_image_names);
if (img) { if (!img) {
core::dimension2d<u32> dim = img->getDimension();
core::position2d<s32> pos_base(x, y);
video::IImage *img2 =
driver->createImage(video::ECF_A8R8G8B8, dim);
img->copyTo(img2);
img->drop();
blit_with_alpha(img2, baseimg, v2s32(0,0), pos_base, dim);
img2->drop();
} else {
errorstream << "generateImagePart(): Failed to load image \"" errorstream << "generateImagePart(): Failed to load image \""
<< filename << "\" for [combine" << std::endl; << filename << "\" for [combine" << std::endl;
continue;
} }
const auto dim = img->getDimension();
if (pos_base.X + dim.Width <= 0 || pos_base.Y + dim.Height <= 0) {
warningstream << "generateImagePart(): Skipping \""
<< filename << "\" as it's out-of-bounds " << pos_base
<< " for [combine" << std::endl;
img->drop();
continue;
}
blit_with_alpha(img, baseimg, v2s32(0,0), pos_base, dim);
img->drop();
} }
} }
/* /*
@ -2036,6 +2045,8 @@ static inline video::SColor blitPixel(const video::SColor src_c, const video::SC
static void blit_with_alpha(video::IImage *src, video::IImage *dst, static void blit_with_alpha(video::IImage *src, video::IImage *dst,
v2s32 src_pos, v2s32 dst_pos, v2u32 size) v2s32 src_pos, v2s32 dst_pos, v2u32 size)
{ {
// FIXME: loop should be restricted to actual overlap
// (if dst smaller than size or dst_pos negative)
for (u32 y0=0; y0<size.Y; y0++) for (u32 y0=0; y0<size.Y; y0++)
for (u32 x0=0; x0<size.X; x0++) for (u32 x0=0; x0<size.X; x0++)
{ {
@ -2057,6 +2068,7 @@ static void blit_with_alpha(video::IImage *src, video::IImage *dst,
static void blit_with_alpha_overlay(video::IImage *src, video::IImage *dst, static void blit_with_alpha_overlay(video::IImage *src, video::IImage *dst,
v2s32 src_pos, v2s32 dst_pos, v2u32 size) v2s32 src_pos, v2s32 dst_pos, v2u32 size)
{ {
// FIXME: same as above here
for (u32 y0=0; y0<size.Y; y0++) for (u32 y0=0; y0<size.Y; y0++)
for (u32 x0=0; x0<size.X; x0++) for (u32 x0=0; x0<size.X; x0++)
{ {