180 lines
3.1 KiB
C
180 lines
3.1 KiB
C
/*
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Copyright (C) 2018 Parallel Realities
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include "unit.h"
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void unitTick(void);
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static void attack(void);
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void initUnit(Entity *e)
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{
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initEntity(e);
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e->oxygen = MAX_OXYGEN;
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e->canCarryItem = rand() % 100 < 85;
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if (world.isOutpostMission)
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{
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e->canCarryItem = 1;
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e->health = e->healthMax = rrnd(1, 4);
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}
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e->spriteFrame = 0;
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e->startX = e->startY = -1;
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e->tick = unitTick;
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e->currentAction = lookForPlayer;
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e->attack = attack;
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}
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void reInitUnit(Entity *e)
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{
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if (e->startX == -1 && e->startY == -1)
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{
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e->startX = (int) e->x;
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e->startY = (int) e->y;
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}
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if (e->isMissionTarget)
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{
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e->flags |= EF_BOMB_SHIELD;
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}
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}
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void unitTick(void)
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{
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if (self->alive == ALIVE_ALIVE)
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{
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self->reload = limit(self->reload - 1, 0, FPS);
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}
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switch (self->environment)
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{
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case ENV_AIR:
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self->oxygen = limit(self->oxygen + 4, 0, MAX_OXYGEN);
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break;
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case ENV_WATER:
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self->oxygen = limit(self->oxygen - 1, 0, MAX_OXYGEN);
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if (self->oxygen == 0 && world.frameCounter % 30 == 0)
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{
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self->health--;
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}
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break;
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case ENV_SLIME:
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case ENV_LAVA:
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if (self->alive == ALIVE_ALIVE)
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{
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self->health = 0;
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}
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break;
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}
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if (self->flags & EF_WATER_BREATHING)
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{
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self->oxygen = MAX_OXYGEN;
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}
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if (self->spawnedIn)
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{
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if (getDistance(self->x, self->y, world.bob->x, world.bob->y) < 1000)
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{
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self->spawnedInTimer = FPS * 5;
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}
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self->spawnedInTimer--;
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if (self->spawnedInTimer <= 0)
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{
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self->alive = ALIVE_DEAD;
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}
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}
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}
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void dropCarriedItem(Entity *e)
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{
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if (e->carriedItem != NULL)
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{
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e->carriedItem->x = (e->x + e->w / 2) - e->carriedItem->w / 2;
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e->carriedItem->y = e->y;
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e->carriedItem->dx = e->carriedItem->dy = 0;
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world.entityTail->next = e->carriedItem;
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world.entityTail = e->carriedItem;
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world.entityTail->next = NULL;
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e->carriedItem = NULL;
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}
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}
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void unitReappear(void)
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{
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}
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static void attack(void)
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{
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if (canFire(world.bob))
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{
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switch (self->weaponType)
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{
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case WPN_AIMED_PISTOL:
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fireAimedShot(self);
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break;
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case WPN_MACHINE_GUN:
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fireMachineGun(self);
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break;
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case WPN_GRENADES:
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fireGrenade(self);
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break;
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case WPN_PLASMA:
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firePlasma(self);
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break;
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case WPN_SPREAD:
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fireSpread(self, 3);
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break;
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case WPN_LASER:
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fireLaser(self);
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break;
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case WPN_SHOTGUN:
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fireShotgun(self);
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break;
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case WPN_MISSILE:
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fireMissile(self);
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break;
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default:
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printf("Can't fire weapon: %d\n", self->weaponType);
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break;
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}
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}
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}
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