blobwarsAttrition/src/world/triggers.c

101 lines
1.9 KiB
C

/*
Copyright (C) 2018 Parallel Realities
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "triggers.h"
void doLocationTriggers(void)
{
Trigger *t, *prev;
prev = &world.triggerHead;
for (t = world.triggerHead.next ; t != NULL ; t = t->next)
{
if (t->w > 0 && t->h > 0)
{
if (collision(t->x, t->y, t->w, t->h, world.bob->x, world.bob->y, world.bob->w, world.bob->h))
{
activateEntities(t->targetNames, 1);
if (strlen(t->message) > 0)
{
setGameplayMessage(MSG_GAMEPLAY, t->message);
}
if (t == world.triggerTail)
{
world.triggerTail = prev;
}
prev->next = t->next;
free(t);
t = prev;
}
}
prev = t;
}
}
void fireTriggers(char *name)
{
Trigger *t, *prev;
prev = &world.triggerHead;
for (t = world.triggerHead.next ; t != NULL ; t = t->next)
{
if (strcmp(t->name, name) == 0)
{
activateEntities(t->targetNames, 1);
if (strlen(t->message) > 0)
{
setGameplayMessage(MSG_GAMEPLAY, t->message);
}
if (t == world.triggerTail)
{
world.triggerTail = prev;
}
prev->next = t->next;
free(t);
t = prev;
}
prev = t;
}
}
void destroyTriggers(void)
{
Trigger *t;
while (world.triggerHead.next)
{
t = world.triggerHead.next;
world.triggerHead.next = t->next;
free(t);
}
}