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https://github.com/Kelsidavis/WoWee.git
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4b3375ac44
TextureExporter::collectUsedTextures only picked up terrain textures, so exported zones were missing every texture referenced by NPC creature models and placed M2 doodads. Added collectM2Textures() and unified the export collection to include terrain + all referenced M2 paths, so the rendered zone is fully self-contained in the PNG/WOM open formats.
89 lines
3.2 KiB
C++
89 lines
3.2 KiB
C++
#include "texture_exporter.hpp"
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#include "pipeline/asset_manager.hpp"
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#include "pipeline/blp_loader.hpp"
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#include "pipeline/m2_loader.hpp"
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#include "core/logger.hpp"
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#include <filesystem>
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#include <algorithm>
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#define STB_IMAGE_WRITE_IMPLEMENTATION
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#include "stb_image_write.h"
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namespace wowee {
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namespace editor {
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std::vector<std::string> TextureExporter::collectUsedTextures(const pipeline::ADTTerrain& terrain) {
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std::unordered_set<std::string> unique;
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for (const auto& tex : terrain.textures)
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unique.insert(tex);
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std::vector<std::string> result(unique.begin(), unique.end());
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std::sort(result.begin(), result.end());
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return result;
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}
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std::vector<std::string> TextureExporter::collectM2Textures(pipeline::AssetManager* am,
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const std::string& m2Path) {
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std::vector<std::string> out;
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if (!am || m2Path.empty()) return out;
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auto data = am->readFile(m2Path);
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if (data.empty()) return out;
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auto m2 = pipeline::M2Loader::load(data);
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// Skin file holds geometry but textures live in the M2 header itself.
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// Even if isValid() is false (no skin loaded), the texture list is populated.
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std::unordered_set<std::string> unique;
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for (const auto& tex : m2.textures) {
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if (tex.filename.empty()) continue;
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std::string p = tex.filename;
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std::transform(p.begin(), p.end(), p.begin(),
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[](unsigned char c) { return std::tolower(c); });
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unique.insert(p);
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}
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out.assign(unique.begin(), unique.end());
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std::sort(out.begin(), out.end());
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return out;
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}
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int TextureExporter::exportTexturesAsPng(pipeline::AssetManager* am,
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const std::vector<std::string>& texturePaths,
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const std::string& outputDir) {
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namespace fs = std::filesystem;
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int exported = 0;
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for (const auto& texPath : texturePaths) {
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auto blpImage = am->loadTexture(texPath);
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if (!blpImage.isValid()) {
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LOG_WARNING("Texture not found or invalid: ", texPath);
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continue;
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}
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// Build output path: replace backslashes, change .blp to .png
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std::string outPath = texPath;
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std::replace(outPath.begin(), outPath.end(), '\\', '/');
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// Lowercase
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std::transform(outPath.begin(), outPath.end(), outPath.begin(),
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[](unsigned char c) { return std::tolower(c); });
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// Change extension
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auto dotPos = outPath.rfind('.');
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if (dotPos != std::string::npos)
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outPath = outPath.substr(0, dotPos) + ".png";
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std::string fullPath = outputDir + "/" + outPath;
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fs::create_directories(fs::path(fullPath).parent_path());
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// Write RGBA data as PNG
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if (stbi_write_png(fullPath.c_str(), blpImage.width, blpImage.height, 4,
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blpImage.data.data(), blpImage.width * 4)) {
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exported++;
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} else {
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LOG_WARNING("Failed to write PNG: ", fullPath);
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}
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}
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LOG_INFO("Exported ", exported, "/", texturePaths.size(), " textures as PNG to ", outputDir);
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return exported;
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}
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} // namespace editor
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} // namespace wowee
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