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feat(editor): add --export-png CLI for terrain preview rendering

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Renders heightmap, normal-map, and zone-map PNGs alongside a
WHM/WOT terrain pair. Useful for portfolio screenshots, ground-
truth map comparison, and quick visual validation without
launching the GUI.
This commit is contained in:
Kelsi 2026-05-06 08:22:26 -07:00
parent 21078f8806
commit 8fb7690ea1
1 changed files with 27 additions and 1 deletions
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28
tools/editor/main.cpp
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@ -32,6 +32,7 @@ static void printUsage(const char* argv0) {
std::printf(" --list-zones List discovered custom zones and exit\n");
std::printf(" --scaffold-zone <name> [tx ty] Create a blank zone in custom_zones/<name>/ and exit\n");
std::printf(" --build-woc <wot-base> Generate a WOC collision mesh from WHM/WOT and exit\n");
std::printf(" --export-png <wot-base> Render heightmap, normal-map, and zone-map PNG previews\n");
std::printf(" --validate <zoneDir> Score zone open-format completeness and exit\n");
std::printf(" --info <wom-base> Print WOM file metadata (version, counts) and exit\n");
std::printf(" --info-wob <wob-base> Print WOB building metadata (groups, portals, doodads) and exit\n");
@ -60,7 +61,7 @@ int main(int argc, char* argv[]) {
"--data", "--info", "--info-wob", "--info-woc", "--info-wot",
"--info-creatures", "--info-objects", "--info-quests",
"--info-wcp", "--list-wcp", "--unpack-wcp", "--pack-wcp",
"--validate", "--scaffold-zone", "--build-woc",
"--validate", "--scaffold-zone", "--build-woc", "--export-png",
"--convert-m2", "--convert-wmo",
};
for (int i = 1; i < argc; i++) {
@ -376,6 +377,31 @@ int main(int argc, char* argv[]) {
std::printf(" quests.json : %s\n", v.hasQuests ? "yes" : "no");
std::printf(" objects.json : %s\n", v.hasObjects ? "yes" : "no");
return score == 7 ? 0 : 1;
} else if (std::strcmp(argv[i], "--export-png") == 0 && i + 1 < argc) {
// Render heightmap, normal-map, and zone-map PNG previews for a
// terrain. Useful for portfolio screenshots, ground-truth map
// comparison, and quick visual validation without launching GUI.
std::string base = argv[++i];
for (const char* ext : {".wot", ".whm"}) {
if (base.size() >= 4 && base.substr(base.size() - 4) == ext) {
base = base.substr(0, base.size() - 4);
break;
}
}
if (!wowee::pipeline::WoweeTerrainLoader::exists(base)) {
std::fprintf(stderr, "WOT/WHM not found at base: %s\n", base.c_str());
return 1;
}
wowee::pipeline::ADTTerrain terrain;
if (!wowee::pipeline::WoweeTerrainLoader::load(base, terrain)) {
std::fprintf(stderr, "Failed to load terrain: %s\n", base.c_str());
return 1;
}
wowee::editor::WoweeTerrain::exportHeightmapPreview(terrain, base + "_heightmap.png");
wowee::editor::WoweeTerrain::exportNormalMap(terrain, base + "_normals.png");
wowee::editor::WoweeTerrain::exportZoneMap(terrain, base + "_zone.png", 512);
std::printf("Exported PNGs: %s_{heightmap,normals,zone}.png\n", base.c_str());
return 0;
} else if (std::strcmp(argv[i], "--build-woc") == 0 && i + 1 < argc) {
// Generate a WOC collision mesh from a WHM/WOT terrain pair.
// Uses terrain triangles only (no WMO overlays); useful as a