132 lines
2.3 KiB
C
132 lines
2.3 KiB
C
/*
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Copyright (C) 2015 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 "entities.h"
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static void drawEntity(Entity *e);
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static void doEntity(Entity *prev);
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Entity *spawnEntity(void)
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{
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Entity *e = malloc(sizeof(Entity));
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memset(e, 0, sizeof(Entity));
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e->id = battle.entId++;
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battle.entityTail->next = e;
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battle.entityTail = e;
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return e;
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}
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void doEntities(void)
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{
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Entity *e, *prev;
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prev = &battle.entityHead;
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battle.numAllies = battle.numEnemies = 0;
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for (e = battle.entityHead.next ; e != NULL ; e = e->next)
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{
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self = e;
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if (self->target != NULL && self->target->health <= 0)
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{
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self->action = self->defaultAction;
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self->target = NULL;
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}
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self->x += self->dx;
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self->y += self->dy;
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if (self != player)
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{
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self->x -= battle.ssx;
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self->y -= battle.ssy;
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}
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if (self->action != NULL)
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{
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if (--self->thinkTime <= 0)
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{
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self->thinkTime = 0;
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self->action();
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}
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}
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switch (e->type)
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{
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case ET_FIGHTER:
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doFighter(prev);
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break;
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default:
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doEntity(prev);
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break;
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}
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prev = self;
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}
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}
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static void doEntity(Entity *prev)
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{
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if (self->health <= 0)
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{
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if (self == battle.entityTail)
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{
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battle.entityTail = prev;
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}
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if (self == battle.missionTarget)
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{
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battle.missionTarget = NULL;
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}
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prev->next = self->next;
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free(self);
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self = prev;
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}
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}
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void drawEntities(void)
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{
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Entity *e;
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for (e = battle.entityHead.next ; e != NULL ; e = e->next)
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{
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switch (e->type)
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{
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case ET_FIGHTER:
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drawFighter(e);
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break;
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default:
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drawEntity(e);
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break;
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}
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}
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}
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static void drawEntity(Entity *e)
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{
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blitRotated(e->texture, e->x, e->y, e->angle);
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}
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