mirror of
https://github.com/liyunfan1223/mod-playerbots.git
synced 2026-02-21 18:40:01 +01:00
67 lines
2.4 KiB
C++
67 lines
2.4 KiB
C++
/*
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* Copyright (C) 2016+ AzerothCore <www.azerothcore.org>, released under GNU GPL v2 license, you may redistribute it and/or modify it under version 2 of the License, or (at your option), any later version.
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*/
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#include "WithinAreaTrigger.h"
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#include "LastMovementValue.h"
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#include "Playerbots.h"
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bool WithinAreaTrigger::IsActive()
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{
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LastMovement& movement = context->GetValue<LastMovement&>("last area trigger")->Get();
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if (!movement.lastAreaTrigger)
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return false;
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AreaTrigger const* at = sObjectMgr->GetAreaTrigger(movement.lastAreaTrigger);
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if (!at)
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return false;
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if (!sObjectMgr->GetAreaTriggerTeleport(movement.lastAreaTrigger))
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return false;
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return IsPointInAreaTriggerZone(at, bot->GetMapId(), bot->GetPositionX(), bot->GetPositionY(), bot->GetPositionZ(), 0.5f);
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}
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bool WithinAreaTrigger::IsPointInAreaTriggerZone(AreaTrigger const* atEntry, uint32 mapid, float x, float y, float z, float delta)
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{
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if (mapid != atEntry->map)
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return false;
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if (atEntry->radius > 0)
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{
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// if we have radius check it
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float dist2 = (x - atEntry->x) * (x - atEntry->x) + (y - atEntry->y) * (y - atEntry->y) + (z - atEntry->z) * (z - atEntry->z);
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if (dist2 > (atEntry->radius + delta) * (atEntry->radius + delta))
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return false;
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}
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else
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{
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// we have only extent
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// rotate the players position instead of rotating the whole cube, that way we can make a simplified
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// is-in-cube check and we have to calculate only one point instead of 4
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// 2PI = 360, keep in mind that ingame orientation is counter-clockwise
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double rotation = 2 * M_PI - atEntry->orientation;
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double sinVal = sin(rotation);
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double cosVal = cos(rotation);
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float playerBoxDistX = x - atEntry->x;
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float playerBoxDistY = y - atEntry->y;
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float rotPlayerX = float(atEntry->x + playerBoxDistX * cosVal - playerBoxDistY * sinVal);
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float rotPlayerY = float(atEntry->y + playerBoxDistY * cosVal + playerBoxDistX * sinVal);
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// box edges are parallel to coordiante axis, so we can treat every dimension independently :D
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float dz = z - atEntry->z;
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float dx = rotPlayerX - atEntry->x;
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float dy = rotPlayerY - atEntry->y;
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if ((fabs(dx) > atEntry->x / 2 + delta) || (fabs(dy) > atEntry->y / 2 + delta) || (fabs(dz) > atEntry->z / 2 + delta))
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{
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return false;
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}
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}
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return true;
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}
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