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188 lines
5 KiB
Text
188 lines
5 KiB
Text
/*
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** a_health.cpp
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** All health items
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**
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**---------------------------------------------------------------------------
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** Copyright 2000-2016 Randy Heit
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** Copyright 2006-2017 Christoph Oelckers
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** All rights reserved.
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**
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** Redistribution and use in source and binary forms, with or without
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** modification, are permitted provided that the following conditions
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** are met:
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**
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** 1. Redistributions 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 in binary form must reproduce the above copyright
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** notice, this list of conditions and the following disclaimer in the
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** documentation and/or other materials provided with the distribution.
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** 3. The name of the author may not be used to endorse or promote products
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** derived from this software without specific prior written permission.
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**
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** THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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** IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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** OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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** IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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** INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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** NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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** THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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**---------------------------------------------------------------------------
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**
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*/
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class Health : Inventory
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{
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transient int PrevHealth;
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meta int LowHealth;
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meta String LowHealthMessage;
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property LowMessage: LowHealth, LowHealthMessage;
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Default
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{
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+INVENTORY.ISHEALTH
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Inventory.Amount 1;
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Inventory.MaxAmount 0;
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Inventory.PickupSound "misc/health_pkup";
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}
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//===========================================================================
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//
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// AHealth :: PickupMessage
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//
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//===========================================================================
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override String PickupMessage ()
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{
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if (PrevHealth < LowHealth)
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{
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String message = LowHealthMessage;
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if (message.Length() != 0)
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{
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return message;
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}
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}
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return Super.PickupMessage();
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}
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//===========================================================================
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//
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// TryPickup
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//
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//===========================================================================
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override bool TryPickup (in out Actor other)
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{
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PrevHealth = other.player != NULL ? other.player.health : other.health;
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// P_GiveBody adds one new feature, applied only if it is possible to pick up negative health:
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// Negative values are treated as positive percentages, ie Amount -100 means 100% health, ignoring max amount.
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if (other.GiveBody(Amount, MaxAmount))
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{
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GoAwayAndDie();
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return true;
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}
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return false;
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}
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}
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class MaxHealth : Health
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{
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//===========================================================================
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//
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// TryPickup
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//
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//===========================================================================
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override bool TryPickup (in out Actor other)
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{
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bool success = false;
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let player = PlayerPawn(other);
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if (player)
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{
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if (player.BonusHealth < MaxAmount)
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{
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player.BonusHealth = min(player.BonusHealth + Amount, MaxAmount);
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success = true;
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}
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}
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success |= Super.TryPickup(other);
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if (success) GoAwayAndDie();
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return success;
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}
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}
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class HealthPickup : Inventory
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{
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int autousemode;
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property AutoUse: autousemode;
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Default
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{
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Inventory.DefMaxAmount;
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+INVENTORY.INVBAR
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+INVENTORY.ISHEALTH
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}
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//===========================================================================
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//
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// CreateCopy
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//
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//===========================================================================
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override Inventory CreateCopy (Actor other)
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{
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Inventory copy = Super.CreateCopy (other);
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copy.health = health;
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return copy;
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}
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//===========================================================================
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//
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// CreateTossable
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//
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//===========================================================================
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override Inventory CreateTossable (int amount)
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{
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Inventory copy = Super.CreateTossable (-1);
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if (copy != NULL)
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{
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copy.health = health;
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}
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return copy;
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}
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//===========================================================================
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//
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// HandlePickup
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//
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//===========================================================================
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override bool HandlePickup (Inventory item)
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{
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// HealthPickups that are the same type but have different health amounts
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// do not count as the same item.
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if (item.health == health)
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{
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return Super.HandlePickup (item);
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}
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return false;
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}
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//===========================================================================
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//
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// Use
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//
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//===========================================================================
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override bool Use (bool pickup)
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{
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return Owner.GiveBody (health, 0);
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}
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}
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