remote (combined) bitset have

src/bitset_image_loader.cpp

@@ -16,23 +16,8 @@ namespace Message {
 uint64_t getTimeMS(void);
 }
 
-BitsetImageLoader::BitsetImageLoader(void) {
-}
-
-std::optional<TextureEntry> BitsetImageLoader::load(TextureUploaderI& tu, ObjectHandle o) {
-	if (!static_cast<bool>(o)) {
-		std::cerr << "BIL error: trying to load invalid object\n";
-		return std::nullopt;
-	}
-
-	if (!o.all_of<ObjComp::F::LocalHaveBitset>()) {
-		// after completion, this is called until the texture times out
-		//std::cout << "BIL: no local have bitset\n";
-		return std::nullopt;
-	}
-
-	// TODO: const
-	auto& have = o.get<ObjComp::F::LocalHaveBitset>().have;
+std::optional<TextureEntry> BitsetImageLoader::haveToTexture(TextureUploaderI& tu, BitSet& have, ObjectHandle o) {
+	assert(have.size_bits() > 0);
 
 	auto* surf = SDL_CreateSurfaceFrom(
 		have.size_bits(), 1,
@@ -83,3 +68,86 @@ std::optional<TextureEntry> BitsetImageLoader::load(TextureUploaderI& tu, Object
 	return new_entry;
 }
 
+BitsetImageLoader::BitsetImageLoader(void) {
+}
+
+std::optional<TextureEntry> BitsetImageLoader::load(TextureUploaderI& tu, ObjectHandle o) {
+	if (!static_cast<bool>(o)) {
+		std::cerr << "BIL error: trying to load invalid object\n";
+		return std::nullopt;
+	}
+
+	if (!o.any_of<ObjComp::F::LocalHaveBitset, ObjComp::F::RemoteHaveBitset>()) {
+		// after completion, this is called until the texture times out
+		//std::cout << "BIL: no local have bitset\n";
+		return std::nullopt;
+	}
+
+	if (o.all_of<ObjComp::F::LocalHaveBitset>()) {
+		auto& have = o.get<ObjComp::F::LocalHaveBitset>().have;
+		assert(have.size_bits() > 0);
+		return haveToTexture(tu, have, o);
+	} else if (o.all_of<ObjComp::F::RemoteHaveBitset>()) {
+		auto& list = o.get<ObjComp::F::RemoteHaveBitset>().others;
+		if (list.empty()) {
+			std::cout << "BIL: remote set list empty\n";
+			return std::nullopt;
+		}
+		const auto& first_entry = list.begin()->second;
+
+		if (first_entry.have_all) {
+			_tmp_bitset = {8};
+			_tmp_bitset.invert();
+			std::cout << "BIL: remote first have all\n";
+		} else {
+			_tmp_bitset = first_entry.have;
+			assert(_tmp_bitset.size_bits() == first_entry.have.size_bits());
+
+			for (auto it = list.begin()+1; it != list.end(); it++) {
+				if (it->second.have_all) {
+					_tmp_bitset = {8};
+					_tmp_bitset.invert();
+					std::cout << "BIL: remote have all\n";
+					break;
+				}
+
+				_tmp_bitset.merge(it->second.have);
+			}
+		}
+
+		return haveToTexture(tu, _tmp_bitset, o);
+	}
+
+	return std::nullopt;
+}
+
+std::optional<TextureEntry> BitsetImageLoader::load(TextureUploaderI& tu, ObjectContactSub ocs) {
+	if (!static_cast<bool>(ocs.o)) {
+		std::cerr << "BIL error: trying to load invalid object\n";
+		return std::nullopt;
+	}
+
+	if (!ocs.o.all_of<ObjComp::F::RemoteHaveBitset>()) {
+		// after completion, this is called until the texture times out
+		return std::nullopt;
+	}
+
+	auto& map = ocs.o.get<ObjComp::F::RemoteHaveBitset>().others;
+	auto it = map.find(ocs.c);
+	if (it == map.end()) {
+		// contact not found
+		return std::nullopt;
+	}
+
+	if (it->second.have_all) {
+		BitSet tmp{8}; // or 1?
+		tmp.invert();
+		return haveToTexture(tu, tmp, ocs.o);
+	} else if (it->second.have.size_bits() == 0) {
+		BitSet tmp{8}; // or 1?
+		return haveToTexture(tu, tmp, ocs.o);
+	} else {
+		return haveToTexture(tu, it->second.have, ocs.o);
+	}
+}
+