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/* This file is part of the Spring engine (GPL v2 or later), see LICENSE.html */
#include "PlayerRoster.h"
#include "Game/Players/Player.h"
#include "Game/Players/PlayerHandler.h"
#include "Game/GlobalUnsynced.h"
#include "Sim/Misc/TeamHandler.h"
#include "Sim/Misc/GlobalSynced.h"
#include "System/StringUtil.h"
#include <cassert>
#include <cstring>
static int CompareDummy (const int aIdx, const int bIdx) { return ((aIdx > bIdx) * 2 - 1); }
static int CompareAllies (const int aIdx, const int bIdx);
static int CompareTeamIDs (const int aIdx, const int bIdx);
static int ComparePlayerNames(const int aIdx, const int bIdx);
static int ComparePlayerCPUs (const int aIdx, const int bIdx);
static int ComparePlayerPings(const int aIdx, const int bIdx);
PlayerRoster playerRoster;
PlayerRoster::PlayerRoster()
{
compareType = Allies;
compareFunc = CompareAllies;
}
void PlayerRoster::SetCompareFunc(SortType cmpType)
{
switch (cmpType) {
case Allies: { compareFunc = CompareAllies; } break;
case TeamID: { compareFunc = CompareTeamIDs; } break;
case PlayerName: { compareFunc = ComparePlayerNames; } break;
case PlayerCPU: { compareFunc = ComparePlayerCPUs; } break;
case PlayerPing: { compareFunc = ComparePlayerPings; } break;
case Disabled: { compareFunc = CompareDummy; } break;
default: { compareFunc = CompareAllies; } break;
}
}
bool PlayerRoster::SetSortTypeByName(const std::string& name)
{
const int num = atoi(name.c_str());
if (num > 0)
return SetSortTypeByCode((SortType)num);
switch (name[0]) {
case 'a': case 'A': { SetCompareFunc(compareType = Allies ); return true; } break;
case 't': case 'T': { SetCompareFunc(compareType = TeamID ); return true; } break;
case 'n': case 'N': { SetCompareFunc(compareType = PlayerName); return true; } break;
case 'c': case 'C': { SetCompareFunc(compareType = PlayerCPU ); return true; } break;
case 'p': case 'P': { SetCompareFunc(compareType = PlayerPing); return true; } break;
default: { } break;
}
SetCompareFunc(compareType = Disabled);
return false;
}
bool PlayerRoster::SetSortTypeByCode(SortType type)
{
switch (type) {
case Allies: { } // fall-through
case TeamID: { } // fall-through
case PlayerName: { } // fall-through
case PlayerCPU: { } // fall-through
case PlayerPing: { SetCompareFunc(compareType = type); return true; } break;
case Disabled: { SetCompareFunc(compareType = type); return false; } break;
default: { } break;
}
return false;
}
const char* PlayerRoster::GetSortName() const
{
switch (compareType) {
case Allies: return "Allies";
case TeamID: return "TeamID";
case PlayerName: return "Name";
case PlayerCPU: return "CPU Usage";
case PlayerPing: return "Ping";
case Disabled: return "Disabled";
default: assert(false); break;
}
return nullptr;
}
const std::vector<int>& PlayerRoster::GetIndices(bool includePathingFlag, bool callerBlockResort)
{
// if Disabled, compareFunc is a dummy so the indices are left alone
// assert(compareType != Disabled);
// number of players can change at runtime, must test this each call
// or make PlayerRoster an EventClient and listen for Player* events
// caller should ensure not to block resorting if a player joins and
// another quits in between calls
if (playerIndices.size() != playerHandler.ActivePlayers()) {
playerIndices.clear();
playerIndices.resize(playerHandler.ActivePlayers(), 0);
}
if (!callerBlockResort) {
int playerIdx = 0;
std::generate(playerIndices.begin(), playerIndices.end(), [&playerIdx]() { return (playerIdx++); });
std::sort(playerIndices.begin(), playerIndices.end(), [&](int aIdx, int bIdx) { return (compareFunc(aIdx, bIdx) <= 0); });
}
// caller should do filtering for active players
return playerIndices;
}
static inline int CompareBasics(const CPlayer* a, const CPlayer* b)
{
// non-NULL first (and return 0 if both NULL)
if ((a != nullptr) && (b == nullptr)) return -1;
if ((a == nullptr) && (b != nullptr)) return +1;
if ((a == nullptr) && (b == nullptr)) return 0;
// active players first
if ( a->active && !b->active) return -1;
if (!a->active && b->active) return +1;
// then pathing players
if (gs->PreSimFrame()) {
if (a->ping == PATHING_FLAG && b->ping != PATHING_FLAG) return -1;
if (a->ping != PATHING_FLAG && b->ping == PATHING_FLAG) return +1;
}
return 0;
}
static int CompareAllies(const int aIdx, const int bIdx)
{
const CPlayer* a = playerHandler.Player(aIdx);
const CPlayer* b = playerHandler.Player(bIdx);
const int basic = CompareBasics(a, b);
if (basic != 0)
return basic;
// non-spectators first
if (!a->spectator && b->spectator) return -1;
if ( a->spectator && !b->spectator) return +1;
// my player first
const int myPNum = gu->myPlayerNum;
if ((aIdx == myPNum) && (bIdx != myPNum)) return -1;
if ((aIdx != myPNum) && (bIdx == myPNum)) return +1;
// my teammates first
const int aTeam = a->team;
const int bTeam = b->team;
const int myTeam = gu->myTeam;
if ((aTeam == myTeam) && (bTeam != myTeam)) return -1;
if ((aTeam != myTeam) && (bTeam == myTeam)) return +1;
// my allies first
const int aAlly = teamHandler.AllyTeam(aTeam);
const int bAlly = teamHandler.AllyTeam(bTeam);
const int myATeam = gu->myAllyTeam;
if ((aAlly == myATeam) && (bAlly != myATeam)) return -1;
if ((aAlly != myATeam) && (bAlly == myATeam)) return +1;
// sort by ally team
if (aAlly < bAlly) return -1;
if (aAlly > bAlly) return +1;
// sort by team
if (aTeam < bTeam) return -1;
if (aTeam > bTeam) return +1;
// sort by player id
if (aIdx < bIdx) return -1;
if (aIdx > bIdx) return +1;
return 0;
}
static int CompareTeamIDs(const int aIdx, const int bIdx)
{
const CPlayer* a = playerHandler.Player(aIdx);
const CPlayer* b = playerHandler.Player(bIdx);
const int basic = CompareBasics(a, b);
if (basic != 0)
return basic;
// sort by team id
if (a->team < b->team) return -1;
if (a->team > b->team) return +1;
// sort by player id
if (aIdx < bIdx) return -1;
if (aIdx > bIdx) return +1;
return 0;
}
static int ComparePlayerNames(const int aIdx, const int bIdx)
{
const CPlayer* a = playerHandler.Player(aIdx);
const CPlayer* b = playerHandler.Player(bIdx);
const int basic = CompareBasics(a, b);
if (basic != 0)
return basic;
// sort by player name
const std::string aName = StringToLower(a->name);
const std::string bName = StringToLower(b->name);
return strcmp(aName.c_str(), bName.c_str());
}
static int ComparePlayerCPUs(const int aIdx, const int bIdx)
{
const CPlayer* a = playerHandler.Player(aIdx);
const CPlayer* b = playerHandler.Player(bIdx);
const int basic = CompareBasics(a, b);
if (basic != 0)
return basic;
// sort by player cpu usage
if (a->cpuUsage < b->cpuUsage) return -1;
if (a->cpuUsage > b->cpuUsage) return +1;
return 0;
}
static int ComparePlayerPings(const int aIdx, const int bIdx)
{
const CPlayer* a = playerHandler.Player(aIdx);
const CPlayer* b = playerHandler.Player(bIdx);
const int basic = CompareBasics(a, b);
if (basic != 0)
return basic;
// sort by player pings
if (a->ping < b->ping) return -1;
if (a->ping > b->ping) return +1;
return 0;
}
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