PHP網頁遊戲學習之Xnova(ogame)源碼解讀（十六）_php執行個體

十九、攻擊任務（MissionCaseAttack.php）

按照艦隊任務的編號，排在第一個的就是攻擊任務。這個代碼很長，看的時候要有耐心。
好在引用的內容並不是很多，並且給出了詳細的注釋，讀者不會暈頭轉向。

function MissionCaseAttack ($FleetRow){  global $user, $phpEx, $xnova_root_path, $pricelist, $lang, $resource, $CombatCaps;   // 在艦隊的記錄中，fleet_start_time代表的不是出發時間，而是到達目的地時間   // 代表出發時間的是start_time   // 此外還有fleet_end_time 這個是回到家的時間    // fleet_end_stay 這個是結束逗留的時間（聯合防禦和遠征任務會用到）    // 所以下面這個判斷的意思是“艦隊到達了目的地”，而不是“艦隊起飛了”    if ($FleetRow['fleet_start_time'] <= time()) {    // fleet_mess是用來記錄艦隊的狀態的，基本可以理解為是在前進途中還是返航途中    // 但感覺利用得並不好，如果只有兩個狀態，可以用true 和 false來記錄    // 所以我把它設為了0，1，2三個狀態，對於需要停留的任務，停留時就處於第三個狀態    if ($FleetRow['fleet_mess'] == 0) {      // ↓↓ 這個判斷是試探存放戰鬥資料的檔案是否存在       // 如果檔案不存在，就中斷操作，提示聯絡管理員       if (!isset($CombatCaps[202]['sd'])) {        message("<span style="FONT-FAMILY: ">" . $lang['sys_no_vars'] . "</span>", $lang['sys_error'], "fleet." . $phpEx, 2);      }      // ↓↓ 開始是一系列的資料庫查詢，取得攻防雙方的艦隊數量和科技等級      // 根據艦隊資訊取得防守方星球資料      $QryTargetPlanet = "SELECT * FROM {{table}} ";      $QryTargetPlanet .= "WHERE ";      $QryTargetPlanet .= "`galaxy` = '" . $FleetRow['fleet_end_galaxy'] . "' AND ";      $QryTargetPlanet .= "`system` = '" . $FleetRow['fleet_end_system'] . "' AND ";      $QryTargetPlanet .= "`planet` = '" . $FleetRow['fleet_end_planet'] . "' AND ";      $QryTargetPlanet .= "`planet_type` = '" . $FleetRow['fleet_end_type'] . "';";      $TargetPlanet = doquery($QryTargetPlanet, 'planets', true);      $TargetUserID = $TargetPlanet['id_owner'];      // 根據艦隊資訊取得攻擊方資訊      $QryCurrentUser = "SELECT * FROM {{table}} ";      $QryCurrentUser .= "WHERE ";      $QryCurrentUser .= "`id` = '" . $FleetRow['fleet_owner'] . "';";      $CurrentUser = doquery($QryCurrentUser , 'users', true);      $CurrentUserID = $CurrentUser['id'];      // 由星球資料取得目標星球的所有者的資訊       $QryTargetUser = "SELECT * FROM {{table}} ";      $QryTargetUser .= "WHERE ";      $QryTargetUser .= "`id` = '" . $TargetUserID . "';";      $TargetUser = doquery($QryTargetUser, 'users', true);      // 然後取得雙方的科技資訊       // 其實下面這兩個完全可以與上面兩個查詢整到一起      $QryTargetTech = "SELECT ";      $QryTargetTech .= "`military_tech`, `defence_tech`, `shield_tech` ";      $QryTargetTech .= "FROM {{table}} ";      $QryTargetTech .= "WHERE ";      $QryTargetTech .= "`id` = '" . $TargetUserID . "';";      $TargetTechno = doquery($QryTargetTech, 'users', true);      $QryCurrentTech = "SELECT ";      $QryCurrentTech .= "`military_tech`, `defence_tech`, `shield_tech` ";      $QryCurrentTech .= "FROM {{table}} ";      $QryCurrentTech .= "WHERE ";      $QryCurrentTech .= "`id` = '" . $CurrentUserID . "';";      $CurrentTechno = doquery($QryCurrentTech, 'users', true);      // ↑↑ 如果有其他的能影響艦隊三圍的項目（比如指揮官等），也應該在這裡一併取出來      // 產生防守方的艦隊（防禦）       // 如果考慮聯合防禦，在上面還應該把這個星球上聯合防禦的艦隊提取出來       // 然後一起計算數量和科技水平       for ($SetItem = 200; $SetItem 0) {          $TargetSet[$SetItem]['count'] = $TargetPlanet[$resource[$SetItem]];        }      }      // 產生攻擊方的艦隊，也是用數組存放。'fleet_array'是不能直接拿來用的       // 這個欄位的結構是  編號,數量;編號,數量; ……       // 所以使用時需要用兩次explode把它打散然後存進數組       $TheFleet = explode(";", $FleetRow['fleet_array']);      foreach($TheFleet as $a => $b) {        if ($b != '') {          $a = explode(",", $b);          $CurrentSet[$a[0]]['count'] = $a[1];        }      }      // 包含進戰鬥引擎,ready to fight      include_once($xnova_root_path . 'includes/ataki.' . $phpEx);      // 在輸入資訊之前採集時間       $mtime = microtime();      $mtime = explode(" ", $mtime);      $mtime = $mtime[1] + $mtime[0];      $starttime = $mtime;      // 將雙方艦隊和科技輸入戰鬥引擎，並用$walka來記錄輸出結果       $walka = walka($CurrentSet, $TargetSet, $CurrentTechno, $TargetTechno);      // 再採集時間，得到戰鬥過程所用的時間       // 也就是“戰鬥報告產生於 x.xxxxxxxxxx 秒”的由來      $mtime = microtime();      $mtime = explode(" ", $mtime);      $mtime = $mtime[1] + $mtime[0];      $endtime = $mtime;      $totaltime = ($endtime - $starttime);      // 分別用一個單獨的數組來記錄攻擊方的剩餘艦隊資訊、       $CurrentSet = $walka["atakujacy"];      // ……防守方的艦隊資訊、       $TargetSet = $walka["wrog"];      // ……戰鬥的勝負結果、       $FleetResult = $walka["wygrana"];      // ……每一輪的詳細情況、       $dane_do_rw = $walka["dane_do_rw"];      // 以及雙方的損失和廢墟情況       $zlom = $walka["zlom"];      // 計算攻擊方剩下的單位，順便把裝載量也一併計算進去了      $FleetArray = "";      $FleetAmount = 0;      $FleetStorage = 0;      foreach ($CurrentSet as $Ship => $Count) {        $FleetStorage += $pricelist[$Ship]["capacity"] * $Count['count'];        // 用$FleetArray記載艦隊情況，轉換成資料庫裡欄位的格式，準備“入庫”          $FleetArray .= $Ship . "," . $Count['count'] . ";";        $FleetAmount += $Count['count'];      }      $FleetStorage -= $FleetRow["fleet_resource_metal"];      $FleetStorage -= $FleetRow["fleet_resource_crystal"];      $FleetStorage -= $FleetRow["fleet_resource_deuterium"];      // 計算防守星球戰後的情況       $TargetPlanetUpd = "";  if (!is_null($TargetSet)) {        foreach($TargetSet as $Ship => $Count) {          $TargetPlanetUpd .= "`" . $resource[$Ship] . "` = '" . $Count['count'] . "', ";        }  }      // 如果戰鬥結果為攻擊方獲勝，則開始計算掠奪資源的情況 ↓↓      // 這裡可以include進PlanetResourceUpdate.php，在掠奪之前先更新目標星球的資源       $Mining['metal'] = 0;      $Mining['crystal'] = 0;      $Mining['deuter'] = 0;      if ($FleetResult == "a") {        if ($FleetStorage > 0) {          $metal = $TargetPlanet['metal'] / 2;          $crystal = $TargetPlanet['crystal'] / 2;          $deuter = $TargetPlanet["deuterium"] / 2;          if (($metal) > $FleetStorage / 3) {            $Mining['metal'] = $FleetStorage / 3;            $FleetStorage = $FleetStorage - $Mining['metal'];          } else {            $Mining['metal'] = $metal;            $FleetStorage = $FleetStorage - $Mining['metal'];          }          if (($crystal) > $FleetStorage / 2) {            $Mining['crystal'] = $FleetStorage / 2;            $FleetStorage = $FleetStorage - $Mining['crystal'];          } else {            $Mining['crystal'] = $crystal;            $FleetStorage = $FleetStorage - $Mining['crystal'];          }          if (($deuter) > $FleetStorage) {            $Mining['deuter'] = $FleetStorage;            $FleetStorage = $FleetStorage - $Mining['deuter'];          } else {            $Mining['deuter'] = $deuter;            $FleetStorage = $FleetStorage - $Mining['deuter'];          }        }      }      // ↑↑ 到這裡為止就計算結束了，但如果星球上金屬巨多，但晶體和重氫幾乎沒有       // 那就會出現裝了１／３倉的金屬，剩下２／３倉全都空著       // 所以可以考慮自己把掠奪方法完善一下，也不是很難      $Mining['metal'] = round($Mining['metal']);      $Mining['crystal'] = round($Mining['crystal']);      $Mining['deuter'] = round($Mining['deuter']);      // ↓↓ 更新資料庫       $QryUpdateTarget = "UPDATE {{table}} SET ";      $QryUpdateTarget .= $TargetPlanetUpd;      $QryUpdateTarget .= "`metal` = `metal` - '" . $Mining['metal'] . "', ";      $QryUpdateTarget .= "`crystal` = `crystal` - '" . $Mining['crystal'] . "', ";      $QryUpdateTarget .= "`deuterium` = `deuterium` - '" . $Mining['deuter'] . "' ";      $QryUpdateTarget .= "WHERE ";      $QryUpdateTarget .= "`galaxy` = '" . $FleetRow['fleet_end_galaxy'] . "' AND ";      $QryUpdateTarget .= "`system` = '" . $FleetRow['fleet_end_system'] . "' AND ";      $QryUpdateTarget .= "`planet` = '" . $FleetRow['fleet_end_planet'] . "' AND ";      $QryUpdateTarget .= "`planet_type` = '" . $FleetRow['fleet_end_type'] . "' ";      $QryUpdateTarget .= "LIMIT 1;";      doquery($QryUpdateTarget , 'planets');      $QryUpdateGalaxy = "UPDATE {{table}} SET ";      $QryUpdateGalaxy .= "`metal` = `metal` + '" . $zlom['metal'] . "', ";      $QryUpdateGalaxy .= "`crystal` = `crystal` + '" . $zlom['crystal'] . "' ";      $QryUpdateGalaxy .= "WHERE ";      $QryUpdateGalaxy .= "`galaxy` = '" . $FleetRow['fleet_end_galaxy'] . "' AND ";      $QryUpdateGalaxy .= "`system` = '" . $FleetRow['fleet_end_system'] . "' AND ";      $QryUpdateGalaxy .= "`planet` = '" . $FleetRow['fleet_end_planet'] . "' ";      $QryUpdateGalaxy .= "LIMIT 1;";      doquery($QryUpdateGalaxy , 'galaxy');      // ↓↓ 計算廢墟和損失的情況       $FleetDebris = $zlom['metal'] + $zlom['crystal'];      $StrAttackerUnits = sprintf ($lang['sys_attacker_lostunits'], pretty_number ($zlom["atakujacy"]));      $StrDefenderUnits = sprintf ($lang['sys_defender_lostunits'], pretty_number ($zlom["wrog"]));      $StrRuins = sprintf ($lang['sys_gcdrunits'], pretty_number ($zlom["metal"]), $lang['Metal'], pretty_number ($zlom['crystal']), $lang['Crystal']);      $DebrisField = $StrAttackerUnits . "" . $StrDefenderUnits . "" . $StrRuins;      // ↓↓ 計算產月機率       $MoonChance = $FleetDebris / 100000;      if ($FleetDebris > 2000000) {        $MoonChance = 20;      }      if ($FleetDebris = 100000) {        $UserChance = mt_rand(1, 100);        $ChanceMoon = sprintf ($lang['sys_moonproba'], $MoonChance);      }      // 如果RP夠好，就能產生月亮了。當然前提是這個座標上沒有月亮       if (($UserChance > 0) and ($UserChance $MoonChance) {        ……       }      // ↓↓ 從這裡開始產生戰鬥報告，很長，但並不複雜       $AttackDate = date("r", $FleetRow["fleet_start_time"]);      $title = sprintf ($lang['sys_attack_title'], $AttackDate);      $raport = "" . $title . "";      $zniszczony = false;      $a_zestrzelona = 0;      // ↓↓ 雙方攻防資訊。如果有其他能影響艦隊三圍的，也要在這裡加進去       // 當然這裡的資料只是顯示在戰報中而已，是不會影響島實際戰鬥的       $AttackTechon['A'] = $CurrentTechno["military_tech"] * 10;      $AttackTechon['B'] = $CurrentTechno["defence_tech"] * 10;      $AttackTechon['C'] = $CurrentTechno["shield_tech"] * 10;      $AttackerData = sprintf ($lang['sys_attack_attacker_pos'], $CurrentUser["username"],$FleetRow['fleet_start_galaxy'], $FleetRow['fleet_start_system'], $FleetRow['fleet_start_planet']);      $AttackerTech = sprintf ($lang['sys_attack_techologies'], $AttackTechon['A'],$AttackTechon['B'], $AttackTechon['C']);      $DefendTechon['A'] = $TargetTechno["military_tech"] * 10;      $DefendTechon['B'] = $TargetTechno["defence_tech"] * 10;      $DefendTechon['C'] = $TargetTechno["shield_tech"] * 10;      $DefenderData = sprintf ($lang['sys_attack_defender_pos'], $TargetUser["username"], $FleetRow['fleet_end_galaxy'], $FleetRow['fleet_end_system'], $FleetRow['fleet_end_planet']);      $DefenderTech = sprintf ($lang['sys_attack_techologies'], $DefendTechon['A'], $DefendTechon['B'], $DefendTechon['C']);      // 根據戰鬥中每一輪的詳細情況產生交火的細節，包括每一輪的數量，攻防值，造成和吸收了多少傷害等       // 有一些索引值可能需要看了戰鬥引擎才會明白它代表的什麼，所以看不懂也沒關係 ↓↓      foreach ($dane_do_rw as $a => $b) {       ……       }      // ↓↓ 根據勝負結果顯示相應的結尾       switch ($FleetResult) {       ……       }       // 戰鬥報告產生於 x.xxxxxxxxxxxx 秒       $SimMessage = sprintf ($lang['sys_rapport_build_time'], $totaltime);      $raport .= $SimMessage . "";      // ↓↓ 將戰鬥報告編碼，存入資料庫       $dpath = (!$user["dpath"]) ? DEFAULT_SKINPATH : $user["dpath"];      $rid = md5($raport);      $QryInsertRapport = "INSERT INTO {{table}} SET ";      $QryInsertRapport .= "`time` = UNIX_TIMESTAMP(), ";      $QryInsertRapport .= "`id_owner1` = '" . $FleetRow['fleet_owner'] . "', ";      $QryInsertRapport .= "`id_owner2` = '" . $TargetUserID . "', ";      $QryInsertRapport .= "`rid` = '" . $rid . "', ";      $QryInsertRapport .= "`a_zestrzelona` = '" . $a_zestrzelona . "', ";      $QryInsertRapport .= "`raport` = '" . addslashes ($raport) . "';";      doquery($QryInsertRapport , 'rw');      // ↓↓ 這裡才是發給玩家的訊息，其中有一個onclick的連結到上面的戰報       // 下面這個是發給攻擊方的，根據戰鬥結果不同，標題也有不同的顏色       $raport = "";      $raport .= "";      if ($FleetResult == "a") {        $raport .= "";      } elseif ($FleetResult == "r") {        $raport .= "";      } elseif ($FleetResult == "w") {        $raport .= "";      }      $raport .= ……       // ↓ 這裡突然回到計算攻擊艦隊的資源裝載量，其實完全可以挪到上面去       $Mining['metal'] = $Mining['metal'] + $FleetRow["fleet_resource_metal"];      $Mining['crystal'] = $Mining['crystal'] + $FleetRow["fleet_resource_crystal"];      $Mining['deuter'] = $Mining['deuter'] + $FleetRow["fleet_resource_deuterium"];      // 更新艦隊資訊       $QryUpdateFleet = "UPDATE {{table}} SET ";      $QryUpdateFleet .= "`fleet_amount` = '" . $FleetAmount . "', ";      $QryUpdateFleet .= "`fleet_array` = '" . $FleetArray . "', ";      $QryUpdateFleet .= "`fleet_mess` = '1', ";      $QryUpdateFleet .= "`fleet_resource_metal` = '" . $Mining['metal'] . "', ";      $QryUpdateFleet .= "`fleet_resource_crystal` = '" . $Mining['crystal'] . "', ";      $QryUpdateFleet .= "`fleet_resource_deuterium` = '" . $Mining['deuter'] . "' ";      $QryUpdateFleet .= "WHERE fleet_id = '" . $FleetRow['fleet_id'] . "' ";      $QryUpdateFleet .= "LIMIT 1 ;";      doquery($QryUpdateFleet , 'fleets');      // 發送戰鬥訊息給攻擊方       SendSimpleMessage ($CurrentUserID, '', $FleetRow['fleet_start_time'], 3, $lang['sys_mess_tower'], $lang['sys_mess_attack_report'], $raport);      // ↓ 又突然插進來開始計算戰鬥經驗和戰鬥次數       // 嚴重懷疑coder寫這個檔案時是不是喝高了       $AddPoint = $CurrentUser['xpraid'] + 1;      $QryUpdateOfficier = "UPDATE {{table}} SET ";      $QryUpdateOfficier .= "`xpraid` = '" . $AddPoint . "' ";      $QryUpdateOfficier .= "WHERE id = '" . $CurrentUserID . "' ";      $QryUpdateOfficier .= "LIMIT 1 ;";      doquery($QryUpdateOfficier, 'users');      $RaidsTotal = $CurrentUser['raids'] + 1;      if ($FleetResult == "a") {        $RaidsWin = $CurrentUser['raidswin'] + 1;        $QryUpdateRaidsCompteur = "UPDATE {{table}} SET ";        $QryUpdateRaidsCompteur .= "`raidswin` ='" . $RaidsWin . "', ";        $QryUpdateRaidsCompteur .= "`raids` ='" . $RaidsTotal . "' ";        $QryUpdateRaidsCompteur .= "WHERE id = '" . $CurrentUserID . "' ";        $QryUpdateRaidsCompteur .= "LIMIT 1 ;";        doquery($QryUpdateRaidsCompteur, 'users');      } elseif ($FleetResult == "r" || $FleetResult == "w") {        $RaidsLoose = $CurrentUser['raidsloose'] + 1;        $QryUpdateRaidsCompteur = "UPDATE {{table}} SET ";        $QryUpdateRaidsCompteur .= "`raidswin` ='" . $RaidsLoose . "', ";        $QryUpdateRaidsCompteur .= "`raids` ='" . $RaidsTotal . "' ";        $QryUpdateRaidsCompteur .= "WHERE id = '" . $CurrentUserID . "' ";        $QryUpdateRaidsCompteur .= "LIMIT 1 ;";        doquery($QryUpdateRaidsCompteur, 'users');      }      // ↓↓ 終於又回來了，開始寫發給防禦方的訊息       $raport2 = "";      $raport2 .= "";      if ($FleetResult == "a") {        $raport2 .= "";      } elseif ($FleetResult == "r") {        $raport2 .= "";      } elseif ($FleetResult == "w") {        $raport2 .= "";      }      $raport2 .= $lang['sys_mess_attack_report'] . " [" . $FleetRow['fleet_end_galaxy'] . ":" . $FleetRow['fleet_end_system'] . ":" . $FleetRow['fleet_end_planet'] . "]";      SendSimpleMessage ($TargetUserID, '', $FleetRow['fleet_start_time'], 3, $lang['sys_mess_tower'], $lang['sys_mess_attack_report'], $raport2);    }      // ↓↓ 如果艦隊回到出發地了，就開始卸貨，然後飛機入庫       $fquery = "";      if ($FleetRow['fleet_end_time'] $Count) {          $fquery .= "`" . $resource[$Ship] . "` = `" . $resource[$Ship] . "` + '" . $Count['count'] . "', ";        }      } else {        $fleet = explode(";", $FleetRow['fleet_array']);        foreach($fleet as $a => $b) {          if ($b != '') {            $a = explode(",", $b);            $fquery .= "{$resource[$a[0]]}={$resource[$a[0]]} + {$a[1]}, \n";          }        }      }      // → 到最後別忘了刪除這一條艦隊記錄，不然會一直佔用航道。對其他艦隊任務也是一樣       doquery ("DELETE FROM {{table}} WHERE `fleet_id` = " . $FleetRow["fleet_id"], 'fleets');      if (!($FleetResult == "w")) {        $QryUpdatePlanet = "UPDATE {{table}} SET ";        $QryUpdatePlanet .= $fquery;        $QryUpdatePlanet .= "`metal` = `metal` + " . $FleetRow['fleet_resource_metal'] . ", ";        $QryUpdatePlanet .= "`crystal` = `crystal` + " . $FleetRow['fleet_resource_crystal'] . ", ";        $QryUpdatePlanet .= "`deuterium` = `deuterium` + " . $FleetRow['fleet_resource_deuterium'] . " ";        $QryUpdatePlanet .= "WHERE ";        $QryUpdatePlanet .= "`galaxy` = " . $FleetRow['fleet_start_galaxy'] . " AND ";        $QryUpdatePlanet .= "`system` = " . $FleetRow['fleet_start_system'] . " AND ";        $QryUpdatePlanet .= "`planet` = " . $FleetRow['fleet_start_planet'] . " AND ";        $QryUpdatePlanet .= "`planet_type` = " . $FleetRow['fleet_start_type'] . " LIMIT 1 ;";        doquery($QryUpdatePlanet, 'planets');      }    }  }}