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#include "stdafx.h"
#include "CliCommandExperience.h"
#include "..\..\ServerCliEngine.h"
#include "..\..\ServerCliParser.h"
#include "..\CommandParsing.h"
#include "..\..\..\Common\StringUtils.h"
#include "..\..\..\..\Minecraft.Client\MinecraftServer.h"
#include "..\..\..\..\Minecraft.Client\PlayerList.h"
#include "..\..\..\..\Minecraft.Client\ServerPlayer.h"
#include <limits>
namespace ServerRuntime
{
namespace
{
constexpr const char *kExperienceUsage = "xp <amount>[L] [player]";
constexpr const char *kExperienceUsageWithPlayer = "xp <amount>[L] <player>";
struct ExperienceAmount
{
int amount = 0;
bool levels = false;
bool take = false;
};
static bool TryParseExperienceAmount(const std::string &token, ExperienceAmount *outValue)
{
if (outValue == nullptr || token.empty())
{
return false;
}
ExperienceAmount parsed;
std::string numericToken = token;
const char suffix = token[token.size() - 1];
if (suffix == 'l' || suffix == 'L')
{
parsed.levels = true;
numericToken = token.substr(0, token.size() - 1);
if (numericToken.empty())
{
return false;
}
}
int signedAmount = 0;
if (!CommandParsing::TryParseInt(numericToken, &signedAmount))
{
return false;
}
if (signedAmount == (std::numeric_limits<int>::min)())
{
return false;
}
parsed.take = signedAmount < 0;
parsed.amount = parsed.take ? -signedAmount : signedAmount;
*outValue = parsed;
return true;
}
static std::shared_ptr<ServerPlayer> ResolveTargetPlayer(const ServerCliParsedLine &line, ServerCliEngine *engine)
{
if (line.tokens.size() >= 3)
{
return engine->FindPlayerByNameUtf8(line.tokens[2]);
}
MinecraftServer *server = MinecraftServer::getInstance();
if (server == nullptr || server->getPlayers() == nullptr)
{
return nullptr;
}
PlayerList *players = server->getPlayers();
if (players->players.size() == 1 && players->players[0] != nullptr)
{
return players->players[0];
}
return nullptr;
}
}
const char *CliCommandExperience::Name() const
{
return "xp";
}
std::vector<std::string> CliCommandExperience::Aliases() const
{
return { "experience" };
}
const char *CliCommandExperience::Usage() const
{
return kExperienceUsage;
}
const char *CliCommandExperience::Description() const
{
return "Grant or remove experience (server-side implementation).";
}
bool CliCommandExperience::Execute(const ServerCliParsedLine &line, ServerCliEngine *engine)
{
if (line.tokens.size() < 2 || line.tokens.size() > 3)
{
engine->LogWarn(std::string("Usage: ") + kExperienceUsage);
return false;
}
ExperienceAmount amount;
if (!TryParseExperienceAmount(line.tokens[1], &amount))
{
engine->LogWarn(std::string("Usage: ") + kExperienceUsage);
return false;
}
std::shared_ptr<ServerPlayer> target = ResolveTargetPlayer(line, engine);
if (target == nullptr)
{
if (line.tokens.size() >= 3)
{
engine->LogWarn("Unknown player: " + line.tokens[2]);
}
else
{
engine->LogWarn(std::string("Usage: ") + kExperienceUsageWithPlayer);
}
return false;
}
if (amount.levels)
{
target->giveExperienceLevels(amount.take ? -amount.amount : amount.amount);
if (amount.take)
{
engine->LogInfo("Removed " + std::to_string(amount.amount) + " level(s) from " + StringUtils::WideToUtf8(target->getName()) + ".");
}
else
{
engine->LogInfo("Added " + std::to_string(amount.amount) + " level(s) to " + StringUtils::WideToUtf8(target->getName()) + ".");
}
return true;
}
if (amount.take)
{
engine->LogWarn("Removing raw experience points is not supported. Use negative levels (example: xp -5L <player>).");
return false;
}
target->increaseXp(amount.amount);
engine->LogInfo("Added " + std::to_string(amount.amount) + " experience points to " + StringUtils::WideToUtf8(target->getName()) + ".");
return true;
}
void CliCommandExperience::Complete(const ServerCliCompletionContext &context, const ServerCliEngine *engine, std::vector<std::string> *out) const
{
if (context.currentTokenIndex == 1)
{
if (StringUtils::StartsWithIgnoreCase("10", context.prefix))
{
out->push_back(context.linePrefix + "10");
}
if (StringUtils::StartsWithIgnoreCase("10L", context.prefix))
{
out->push_back(context.linePrefix + "10L");
}
if (StringUtils::StartsWithIgnoreCase("-5L", context.prefix))
{
out->push_back(context.linePrefix + "-5L");
}
}
else if (context.currentTokenIndex == 2)
{
engine->SuggestPlayers(context.prefix, context.linePrefix, out);
}
}
}
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