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feat(editor): add --add-texture-to-zone for importing existing PNGs

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Imports an existing PNG into a zone directory. Companion to
--gen-texture (procedural placeholder) for the "I have an artist-
painted texture, get it into my project" workflow. Optional
<renameTo> argument lets the user store the PNG under a project-
specific name.

Safety:
- Refuses non-.png input with a hint to use --convert-blp-png first
  (so .blp/.tga don't get silently shoved into a tree that won't
  render them)
- Auto-appends .png to renameTo if user supplied just a stem
- Idempotent re-runs: byte-identical destination → no-op exit 0
- Different-content destination → refuses to overwrite, exit 1

Closing line suggests --add-texture-to-mesh as the next step so
the user has the full workflow in front of them.

Verified all five paths: plain copy, rename+auto-ext, idempotent
re-run (no-op exit 0), conflict (different bytes, exit 1), wrong
extension (.blp, exit 1). Brings command count to 208.
This commit is contained in:
Kelsi 2026-05-07 04:00:21 -07:00
parent 6f0a60ce83
commit fad0884d31
1 changed files with 93 additions and 1 deletions
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94
tools/editor/main.cpp
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@ -526,6 +526,8 @@ static void printUsage(const char* argv0) {
std::printf(" Markdown migration-progress report (per-pair table, share %%, recommended next steps)\n");
std::printf(" --gen-texture <out.png> <colorHex|pattern> [W H]\n");
std::printf(" Synthesize a placeholder texture (solid hex color or 'checker'/'grid'); default 256x256\n");
std::printf(" --add-texture-to-zone <zoneDir> <png-path> [renameTo]\n");
std::printf(" Copy an existing PNG into <zoneDir> (optionally renaming it on the way in)\n");
std::printf(" --gen-mesh <wom-base> <cube|plane|sphere|cylinder> [size]\n");
std::printf(" Synthesize a procedural WOM primitive with proper normals, UVs, and bounds\n");
std::printf(" --gen-mesh-textured <wom-base> <cube|plane|sphere|cylinder> <colorHex|pattern> [size]\n");
@ -937,7 +939,7 @@ int main(int argc, char* argv[]) {
"--bench-validate-project", "--bench-bake-project",
"--bench-migrate-data-tree", "--list-data-tree-largest",
"--export-data-tree-md", "--gen-texture", "--gen-mesh", "--gen-mesh-textured",
"--add-texture-to-mesh",
"--add-texture-to-mesh", "--add-texture-to-zone",
"--validate-glb", "--info-glb", "--info-glb-tree", "--info-glb-bytes",
"--validate-jsondbc", "--check-glb-bounds", "--validate-stl",
"--validate-png", "--validate-blp",
@ -15376,6 +15378,96 @@ int main(int argc, char* argv[]) {
pngPath.c_str(), expected.c_str());
}
return 0;
} else if (std::strcmp(argv[i], "--add-texture-to-zone") == 0 && i + 2 < argc) {
// Import an existing PNG into a zone directory. Useful
// for the "I have an artist-painted texture, get it into
// my project" workflow — complements --gen-texture
// (procedural placeholder) and --convert-blp-png (legacy
// BLP migration).
//
// Optional <renameTo> argument lets the user store the
// PNG under a project-specific name (e.g., a generic
// "stone.png" downloaded from a tileset becomes
// "courtyard_floor.png" in the zone).
//
// Refuses to overwrite an existing destination unless the
// source and destination are byte-identical (idempotent
// re-runs are safe).
std::string zoneDir = argv[++i];
std::string srcPng = argv[++i];
std::string renameTo;
if (i + 1 < argc && argv[i + 1][0] != '-') renameTo = argv[++i];
namespace fs = std::filesystem;
if (!fs::exists(zoneDir) || !fs::is_directory(zoneDir)) {
std::fprintf(stderr,
"add-texture-to-zone: %s is not a directory\n",
zoneDir.c_str());
return 1;
}
if (!fs::exists(srcPng) || !fs::is_regular_file(srcPng)) {
std::fprintf(stderr,
"add-texture-to-zone: %s is not a file\n",
srcPng.c_str());
return 1;
}
// Sanity-check: must end in .png (any case) so users
// don't accidentally drop a .blp/.tga and get surprised
// when nothing renders.
std::string srcExt = fs::path(srcPng).extension().string();
std::transform(srcExt.begin(), srcExt.end(), srcExt.begin(),
[](unsigned char c) { return std::tolower(c); });
if (srcExt != ".png") {
std::fprintf(stderr,
"add-texture-to-zone: %s is not a .png "
"(use --convert-blp-png for .blp first)\n",
srcPng.c_str());
return 1;
}
std::string destLeaf = renameTo.empty()
? fs::path(srcPng).filename().string()
: renameTo;
// If the rename arg lacks an extension, append .png so
// common typos ("stone" -> "stone.png") just work.
if (fs::path(destLeaf).extension().string().empty()) {
destLeaf += ".png";
}
std::string destPath = zoneDir + "/" + destLeaf;
std::error_code ec;
if (fs::exists(destPath)) {
// Allow re-running if the bytes already match — makes
// makefile-driven workflows idempotent.
if (fs::file_size(srcPng, ec) == fs::file_size(destPath, ec)) {
std::ifstream a(srcPng, std::ios::binary);
std::ifstream b(destPath, std::ios::binary);
std::stringstream sa, sb;
sa << a.rdbuf(); sb << b.rdbuf();
if (sa.str() == sb.str()) {
std::printf("Already present: %s (no-op)\n",
destPath.c_str());
return 0;
}
}
std::fprintf(stderr,
"add-texture-to-zone: %s already exists with different "
"content (delete it first if intentional)\n",
destPath.c_str());
return 1;
}
fs::copy_file(srcPng, destPath, ec);
if (ec) {
std::fprintf(stderr,
"add-texture-to-zone: copy failed (%s)\n",
ec.message().c_str());
return 1;
}
uint64_t bytes = fs::file_size(destPath, ec);
std::printf("Imported %s -> %s\n",
srcPng.c_str(), destPath.c_str());
std::printf(" bytes : %llu\n",
static_cast<unsigned long long>(bytes));
std::printf(" next : --add-texture-to-mesh <wom-base> %s\n",
destPath.c_str());
return 0;
} else if (std::strcmp(argv[i], "--info-data-tree") == 0 && i + 1 < argc) {
// Non-destructive companion to --migrate-data-tree. Walks
// <srcDir> recursively, counts files per format pair