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Version 0.2.0

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Fixed Size/UV Issues Atlas builder
Calculate UVS during Packing
Fix File loader loading height into width
Set Atlas Size on File load
Push Entries on File load
Only build palladium, if it is not in build space
Add functionality to d7rc-make to check files and create files
Fix Palladium Submodule Integration
This commit is contained in:
tobid7
2025-10-25 17:37:04 +02:00
parent ad0028a208
commit 09062d6836
7 changed files with 88 additions and 22 deletions
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13
source/lib/atlas.cpp
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@@ -40,9 +40,6 @@ bool Atlas::AppendImage(PD::Image::Ref img, const std::string& name) {
e.iImg = img;
e.iPos = PD::ivec2(it.x, it.y);
e.Size = PD::ivec2(img->Width(), img->Height());
e.UV = PD::fvec4((float)it.x / (float)Size.x, (float)it.y / (float)Size.y,
(float)(it.x + img->Width()) / (float)Size.x,
(float)(it.x + img->Height()) / (float)Size.y);
Entries.push_back(e);
#ifdef DEBUG
std::cout << std::format("Created Image {} ({})\n", name,
@@ -86,6 +83,7 @@ void Atlas::Pack() {
if (!PD::BitUtil::IsSingleBit(Max.y)) {
Size.y = PD::BitUtil::GetPow2(Max.y);
}
pCreateUVs();
Img.resize(Size.x * Size.y * 4);
for (auto& it : Entries) {
for (int i = 0; i < it.Size.x; i++) {
@@ -128,4 +126,13 @@ PD::Li::Texture::Ref Atlas::Get(const std::string& name) {
}
return nullptr;
}
void Atlas::pCreateUVs() {
for (auto& e : Entries) {
e.UV = PD::fvec4((float)e.iPos.x / (float)Size.x,
1.f - (float)e.iPos.y / (float)Size.y,
(float)(e.iPos.x + e.Size.x) / (float)Size.x,
1.f - (float)(e.iPos.y + e.Size.y) / (float)Size.y);
}
}
} // namespace D7RC

4
source/lib/file.cpp
View File

@@ -107,6 +107,7 @@ void File::Read(Atlas& atlas, const std::string& path) {
hdr.Read(iff);
pReadTab(iff, atlas);
atlas.Img.resize(hdr.DataSize);
atlas.Size = PD::ivec2(hdr.Width, hdr.Height);
iff.read(reinterpret_cast<char*>(atlas.Img.data()), hdr.DataSize);
iff.close();
}
@@ -118,11 +119,12 @@ void File::pReadTab(std::ifstream& iff, Atlas& atlas) {
PD::u32 namelen = 0;
iff.read(reinterpret_cast<char*>(&e.UV), sizeof(e.UV));
iff.read(reinterpret_cast<char*>(&w), sizeof(w));
iff.read(reinterpret_cast<char*>(&w), sizeof(h));
iff.read(reinterpret_cast<char*>(&h), sizeof(h));
iff.read(reinterpret_cast<char*>(&namelen), sizeof(PD::u32));
e.Name.resize(namelen);
iff.read(e.Name.data(), namelen);
e.Size = PD::ivec2(w, h);
atlas.Entries.push_back(e);
}
}