Added homing bullet behaviors. Added turn_towards_target util helper function; a higher level funcution derived from turn_towards_direction. Modify Ink slowdown to reset duration instead of stacking (per spec). Release Build 11914.
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#pragma region License |
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/*
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License (OLC-3) |
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~~~~~~~~~~~~~~~ |
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Copyright 2024 Joshua Sigona <sigonasr2@gmail.com> |
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Redistribution and use in source and binary forms, with or without modification, |
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are permitted provided that the following conditions are met: |
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1. Redistributions or derivations of source code must retain the above copyright |
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notice, this list of conditions and the following disclaimer. |
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2. Redistributions or derivative works in binary form must reproduce the above |
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copyright notice. This list of conditions and the following disclaimer must be |
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reproduced in the documentation and/or other materials provided with the distribution. |
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3. Neither the name of the copyright holder nor the names of its contributors may |
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be used to endorse or promote products derived from this software without specific |
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prior written permission. |
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY |
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EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT |
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SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
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INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED |
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TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR |
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BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN |
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ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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SUCH DAMAGE. |
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Portions of this software are copyright © 2024 The FreeType |
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Project (www.freetype.org). Please see LICENSE_FT.txt for more information. |
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All rights reserved. |
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*/ |
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#pragma endregion |
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#include "BulletTypes.h" |
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HomingBullet::HomingBullet(const vf2d pos,const Entity target,const float rotateTowardsSpeed,const float rotateTowardsSpeedCoveredInInk,const float lifetime,const float speed,const float radius,const int damage,const bool upperLevel,const bool friendly,const Pixel col,const vf2d scale,const float image_angle) |
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:Bullet(pos,util::pointTo(pos,target.GetPos())*speed,radius,damage,upperLevel,friendly,col,scale,image_angle),target(target),rotateTowardsSpeed(rotateTowardsSpeed),rotateTowardsSpeedCoveredInInk(rotateTowardsSpeedCoveredInInk){ |
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this->lifetime=lifetime; |
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} |
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void HomingBullet::Update(float fElapsedTime){ |
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const float magnitude{vel.mag()}; |
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float bulletAngle{vel.polar().y}; |
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float bulletRotationSpeed{rotateTowardsSpeed}; |
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if(game->GetPlayer()->CoveredInInk())bulletRotationSpeed=rotateTowardsSpeedCoveredInInk; |
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if(util::distance(pos,game->GetPlayer()->GetPos())>=7*24.f)bulletRotationSpeed=0.f; //Don't rotate if basically offscreen.
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util::turn_towards_target(bulletAngle,pos,target.GetPos(),bulletRotationSpeed,fElapsedTime); |
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vel=vf2d{magnitude,bulletAngle}.cart(); |
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} |
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void HomingBullet::ModifyOutgoingDamageData(HurtDamageInfo&data){} |
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