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+// Annual easter event.
+
+// Annual_Quest byte 1 is used, see Oscar.txt for further information.
+
+// Author: PjotrOrial
+
+// read up on http://en.wikipedia.org/wiki/Computus
+// Easter cannot be before march 22 or after april 25, so activate
+// the event in these days.
+
+
+function|script|AnnualEasterEvent|{
+
+ // prevent clicking multiple times:
+ if (gettimetick(2) < @eastertimepenalty + $@EASTER_FOUND_WAIT_TIME)
+ goto L_End;
+ set @eastertimepenalty, gettimetick(2);
+
+ // global counter to determine reshuffle times of the eggs.
+ set $@peopleFoundEggs[@EasterEggID], $@peopleFoundEggs[@EasterEggID]+1;
+
+ // give a small reward:
+
+ set @tmp, getarraysize($@SmallAnnualEasterItems$);
+ set @random, rand(@tmp + 2);
+ if (@random < @tmp) getitem $@SmallAnnualEasterItems$[@random], rand(1, 2);
+ if (@random == @tmp) getexp rand(200), 0;
+ if (@random == @tmp + 1) set Zeny, Zeny + rand(50);
+
+ // give out a better reward occasionally:
+ // standard case is branch taken, so only if rand yields 0, medium rewarding.
+ if (rand($@EASTER_EGG_INV_CHANCE))
+ goto NoEasterEgg;
+
+ set @random, rand(getarraysize($@MediumAnnualEasterRewards$));
+ getitem $@MediumAnnualEasterRewards$[@random], 1;
+
+NoEasterEgg:
+
+ // If you're lucky you get a bigger unique reward per year:
+ // so only pass on a small chance iff you don't have the item yet.
+ // Usually the journey ends here because @random != 0 -> end
+ callsub S_Read_Annual_Quest;
+ set @random, rand($@EASTER_FINAL_REW_INV_CHANCE);
+ if (@random || @easter_year > gettime(7) - 2000)
+ goto L_End1;
+
+ // block for further items this year:
+ set @easter_year, gettime(7) - 2000 + 1;
+ callsub S_Update_Annual_Quest;
+
+ // Hand out pretty unique rewards depending on the current year:
+ // We'll be handing out 2 different items each year, whereas one of them
+ // will be very common (95 %) and the other rare (5 %) for the players.
+ // The rare item will become the common item next year.
+ set @rewardindex, gettime(7) - 2012;
+ if (rand(100) < 5)
+ set @rewardindex, @rewardindex + 1;
+
+
+ // now hand out the specific item:
+ set @rewardindex, @rewardindex % getarraysize($@FinalAnnualEasterReward$);
+ getitem $@FinalAnnualEasterReward$[@rewardindex], 1;
+ goto L_End1;
+
+S_Read_Annual_Quest:
+ set @easter_year, (Annual_Quest & BYTE_1_MASK) >> BYTE_1_SHIFT;
+ return;
+
+S_Update_Annual_Quest:
+ set Annual_Quest, (Annual_Quest & ~(BYTE_1_MASK) | (@easter_year << BYTE_1_SHIFT));
+ return;
+
+L_End1:
+ set @rewardindex, 0;
+ set @easter_year, 0;
+ set @random, 0;
+ set @tmp, 0;
+L_End:
+ set @EasterEggID, 0;
+ return;
+}
+
+008-1.gat,65,40,0|script|#TestEgg0|375,{
+ set @EasterEggID, 0;
+ callfunc("AnnualEasterEvent");
+}
+
+008-1.gat,65,40,0|script|#TestEgg1|375,{
+ set @EasterEggID, 1;
+ callfunc("AnnualEasterEvent");
+}
+
+008-1.gat,65,40,0|script|#TestEgg2|375,{
+ set @EasterEggID, 2;
+ callfunc("AnnualEasterEvent");
+}
+
+
+008-1.gat,59,38,0|script|#AnnualEaster|-1,{
+ end;
+
+onInit:
+ set $@EASTER_FOUND_WAIT_TIME, 30;
+ set $@EASTER_FINAL_REW_INV_CHANCE, 35;
+ set $@EASTER_EGG_INV_CHANCE, 750;
+
+ setarray $@easteregg_posx, 41, 45, 50, 57, 60, 64, 67, 65, 59, 72, 70, 82, 81, 93, 97, 101, 88, 108, 115, 122, 122, 129, 129, 130, 135, 123, 132, 132, 127, 124, 121, 107, 100, 101, 109, 104, 88, 84, 92, 59, 71, 65, 53, 55, 74, 59, 53, 46, 44, 44, 38, 43, 40, 43, 37;
+ setarray $@easteregg_posy, 87, 89, 88, 93, 98, 90, 96, 82, 81, 82, 96, 98, 92, 89, 89, 81, 82, 94, 96, 96, 90, 86, 72, 65, 60, 46, 25, 21, 20, 22, 20, 34, 24, 41, 43, 42, 48, 28, 27, 17, 23, 29, 25, 20, 39, 41, 34, 36, 18, 25, 31, 39, 64, 69, 73;
+
+ if (getarraysize($@easteregg_posy) != getarraysize($@easteregg_posx))
+ goto L_FAULTY_SETUP;
+
+ setarray $@SmallAnnualEasterItems$, "AppleCake", "CactusDrink", "CactusPotion", "Cake", "Candy", "CherryCake", "ChocolateBar", "ChocolateCake", "GreenApple", "Orange", "OrangeCake", "OrangeCupcake", "RedApple", "WhiteCake";
+
+ setarray $@MediumAnnualEasterRewards$, "RedEasterEgg", "GreenEasterEgg", "BlueEasterEgg", "YellowEasterEgg", "PinkEasterEgg", "TealEasterEgg";
+
+ // DO NOT CHANGE SIZE AFTER EASTER 2013!
+ setarray $@FinalAnnualEasterReward$, "RedEggshellHat", "BlueEggshellHat", "YellowEggshellHat", "GreenEggshellHat", "OrangeEggshellHat", "DarkEggshellHat";
+
+ callsub S_disableEggs;
+ initnpctimer;
+ end;
+
+L_FAULTY_SETUP:
+ gmcommand "@mapexit";
+ end;
+
+OnTimer1000:
+ setnpctimer 0;
+
+ // an egg can be 'found' multiple times, make this number of possible findings
+ // depend on the number of players currently on the map.
+ set $@AEASTER_mapcount, getmapusers("008-1.gat");
+ if ($@AEASTER_mapcount > 9)
+ set $@AEASTER_mapcount, 6 + $@AEASTER_mapcount / 3;
+
+ set $@isEaster, 0;
+ if ((gettime(6) == 3 && gettime(5) > 22) || (gettime(6) == 4 && gettime(5) < 25) || debug)
+ set $@isEaster, 1;
+
+ if (!$@wasEaster && $@isEaster)
+ callsub S_enableEggs;
+ if ($@wasEaster && !$@isEaster)
+ callsub S_disableEggs;
+
+ set $@wasEaster, $@isEaster;
+
+ if (!$@isEaster)
+ goto L_End;
+
+ set $@EggID, 0;
+ callsub S_relocateEasterEgg;
+ set $@EggID, 1;
+ callsub S_relocateEasterEgg;
+ set $@EggID, 2;
+ callsub S_relocateEasterEgg;
+ // intentional fallthrough to L_End
+
+L_End:
+ set $@AEASTER_mapcount, 0;
+ set $@EggID, 0;
+ set $@isEaster, 0;
+ end;
+
+S_enableEggs:
+ enablenpc "#TestEgg0";
+ enablenpc "#TestEgg1";
+ enablenpc "#TestEgg2";
+ return;
+
+S_disableEggs:
+ disablenpc "#TestEgg0";
+ disablenpc "#TestEgg1";
+ disablenpc "#TestEgg2";
+ return;
+
+S_relocateEasterEgg:
+ if ($@peopleFoundEggs[$@EggID] < $@AEASTER_mapcount)
+ return;
+
+ set $@peopleFoundEggs[$@EggID], 0;
+
+ set $@eastereggPos, rand(getarraysize($@easteregg_posx));
+ npcwarp $@easteregg_posx[$@eastereggPos], $@easteregg_posy[$@eastereggPos], "#TestEgg" + $@EggID;
+ return;
+
+}