Special graphic symbol packet

wxdata/source/scwx/wsr88d/rpg/sti_circle_symbol_packet.cpp

@@ -0,0 +1,117 @@
+#include <scwx/wsr88d/rpg/sti_circle_symbol_packet.hpp>
+
+#include <istream>
+#include <string>
+
+#include <boost/log/trivial.hpp>
+
+namespace scwx
+{
+namespace wsr88d
+{
+namespace rpg
+{
+
+static const std::string logPrefix_ =
+   "[scwx::wsr88d::rpg::sti_circle_symbol_packet] ";
+
+struct StiCircleSymbol
+{
+   int16_t  iPosition_;
+   int16_t  jPosition_;
+   uint16_t radiusOfCircle_;
+
+   StiCircleSymbol() : iPosition_ {0}, jPosition_ {0}, radiusOfCircle_ {0} {}
+};
+
+class StiCircleSymbolPacketImpl
+{
+public:
+   explicit StiCircleSymbolPacketImpl() : symbol_ {}, recordCount_ {0} {}
+   ~StiCircleSymbolPacketImpl() = default;
+
+   std::vector<StiCircleSymbol> symbol_;
+   size_t                       recordCount_;
+};
+
+StiCircleSymbolPacket::StiCircleSymbolPacket() :
+    p(std::make_unique<StiCircleSymbolPacketImpl>())
+{
+}
+StiCircleSymbolPacket::~StiCircleSymbolPacket() = default;
+
+StiCircleSymbolPacket::StiCircleSymbolPacket(StiCircleSymbolPacket&&) noexcept =
+   default;
+StiCircleSymbolPacket&
+StiCircleSymbolPacket::operator=(StiCircleSymbolPacket&&) noexcept = default;
+
+int16_t StiCircleSymbolPacket::i_position(size_t i) const
+{
+   return p->symbol_[i].iPosition_;
+}
+
+int16_t StiCircleSymbolPacket::j_position(size_t i) const
+{
+   return p->symbol_[i].jPosition_;
+}
+
+uint16_t StiCircleSymbolPacket::radius_of_circle(size_t i) const
+{
+   return p->symbol_[i].radiusOfCircle_;
+}
+
+size_t StiCircleSymbolPacket::RecordCount() const
+{
+   return p->recordCount_;
+}
+
+bool StiCircleSymbolPacket::ParseData(std::istream& is)
+{
+   bool blockValid = true;
+
+   if (packet_code() != 25)
+   {
+      BOOST_LOG_TRIVIAL(warning)
+         << logPrefix_ << "Invalid packet code: " << packet_code();
+      blockValid = false;
+   }
+
+   if (blockValid)
+   {
+      p->recordCount_ = length_of_block() / 6;
+      p->symbol_.resize(p->recordCount_);
+
+      for (size_t i = 0; i < p->recordCount_; i++)
+      {
+         StiCircleSymbol& s = p->symbol_[i];
+
+         is.read(reinterpret_cast<char*>(&s.iPosition_), 2);
+         is.read(reinterpret_cast<char*>(&s.jPosition_), 2);
+         is.read(reinterpret_cast<char*>(&s.radiusOfCircle_), 2);
+
+         s.iPosition_      = ntohs(s.iPosition_);
+         s.jPosition_      = ntohs(s.jPosition_);
+         s.radiusOfCircle_ = ntohs(s.radiusOfCircle_);
+      }
+   }
+
+   return blockValid;
+}
+
+std::shared_ptr<StiCircleSymbolPacket>
+StiCircleSymbolPacket::Create(std::istream& is)
+{
+   std::shared_ptr<StiCircleSymbolPacket> packet =
+      std::make_shared<StiCircleSymbolPacket>();
+
+   if (!packet->Parse(is))
+   {
+      packet.reset();
+   }
+
+   return packet;
+}
+
+} // namespace rpg
+} // namespace wsr88d
+} // namespace scwx