tbftss/src/battle/waypoints.c

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/*
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Copyright (C) 2015-2018 Parallel Realities
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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 "waypoints.h"
static void think(void);
static int teamMatesClose(void);
static int isCurrentObjective(void);
void activateNextWaypoint(void);
static int waypointId;
static int currentWaypointId;
void resetWaypoints(void)
{
waypointId = 1;
currentWaypointId = 0;
}
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Entity *spawnWaypoint(void)
{
Entity *waypoint = spawnEntity();
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sprintf(waypoint->name, "Waypoint #%d", waypointId);
waypoint->id = waypointId;
waypoint->type = ET_WAYPOINT;
waypoint->active = 0;
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waypoint->health = waypoint->maxHealth = FPS;
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waypoint->texture = getAtlasImage("gfx/entities/waypoint.png");
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waypoint->flags = EF_NO_MT_BOX+EF_MISSION_TARGET+EF_NO_HEALTH_BAR;
waypoint->action = think;
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waypoint->w = waypoint->texture->rect.w;
waypoint->h = waypoint->texture->rect.h;
waypointId++;
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return waypoint;
}
static void think(void)
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{
self->angle += 0.25;
if (self->angle >= 360)
{
self->angle -= 360;
}
if (--self->aiActionTime <= 0)
{
self->aiActionTime = 0;
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if (self->health && player->alive == ALIVE_ALIVE && getDistance(player->x, player->y, self->x, self->y) <= 128 && isCurrentObjective() && teamMatesClose())
{
self->health = 0;
updateObjective("Waypoint", TT_WAYPOINT);
runScriptFunction(self->name);
if (battle.waypointAutoAdvance)
{
activateNextWaypoint();
}
battle.stats[STAT_WAYPOINTS_VISITED]++;
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playSound(SND_WAYPOINT);
}
}
}
static int isCurrentObjective(void)
{
int numActiveObjectives = battle.numObjectivesTotal - battle.numObjectivesComplete;
if (numActiveObjectives > 1)
{
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addHudMessage(colors.cyan, _("Cannot activate waypoint - outstanding objectives not yet complete"));
self->aiActionTime = FPS;
return 0;
}
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if (game.currentMission->challengeData.isChallenge && game.currentMission->challengeData.clearWaypointEnemies && battle.numEnemies > 0)
{
addHudMessage(colors.cyan, _("Cannot activate waypoint - eliminate enemies first"));
self->aiActionTime = FPS;
return 0;
}
return 1;
}
static int teamMatesClose(void)
{
Entity *e;
if (player->side != SIDE_PANDORAN)
{
for (e = battle.entityHead.next ; e != NULL ; e = e->next)
{
if (e->active && e->type == ET_FIGHTER && e->side == SIDE_ALLIES)
{
if (getDistance(player->x, player->y, e->x, e->y) > 350)
{
addHudMessage(colors.cyan, _("Cannot activate waypoint - team mates too far away"));
self->aiActionTime = FPS;
return 0;
}
}
}
}
return 1;
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}
void activateNextWaypoint(void)
{
Entity *e;
Entity *nextWaypoint = NULL;
currentWaypointId++;
for (e = battle.entityHead.next ; e != NULL ; e = e->next)
{
if (e->type == ET_WAYPOINT && e->id == currentWaypointId)
{
nextWaypoint = e;
}
}
if (nextWaypoint != NULL)
{
nextWaypoint->active = 1;
SDL_LogMessage(SDL_LOG_CATEGORY_APPLICATION, SDL_LOG_PRIORITY_DEBUG, "Activating %s", nextWaypoint->name);
}
}