238 lines
5.0 KiB
C
238 lines
5.0 KiB
C
/*
|
|
Copyright (C) 2015-2018 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 "jumpgate.h"
|
|
|
|
static void think(void);
|
|
static void draw(void);
|
|
static void handleFleeingEntities(void);
|
|
static void addEscapeEffect(Entity *ent);
|
|
static void addNodes(Entity *jumpgate, long flags);
|
|
static void nodeDie(void);
|
|
|
|
static SDL_Texture *portal;
|
|
static float portalAngle;
|
|
|
|
Entity *spawnJumpgate(int side, long flags)
|
|
{
|
|
Entity *jumpgate;
|
|
|
|
if (battle.jumpgate)
|
|
{
|
|
printf("ERROR: Only one jumpgate is allowed\n");
|
|
exit(1);
|
|
}
|
|
|
|
jumpgate = spawnEntity();
|
|
jumpgate->type = ET_JUMPGATE;
|
|
jumpgate->health = jumpgate->maxHealth = 1;
|
|
jumpgate->texture = getTexture("gfx/entities/jumpgate.png");
|
|
jumpgate->action = think;
|
|
jumpgate->draw = draw;
|
|
jumpgate->side = side;
|
|
jumpgate->flags = EF_NO_MT_BOX+EF_IMMORTAL+EF_AI_IGNORE+EF_NON_SOLID+EF_NO_HEALTH_BAR;
|
|
|
|
if (flags != -1 && flags & EF_DISABLED)
|
|
{
|
|
jumpgate->flags |= EF_DISABLED;
|
|
}
|
|
|
|
addNodes(jumpgate, flags);
|
|
|
|
portal = getTexture("gfx/entities/portal.png");
|
|
portalAngle = 0;
|
|
|
|
SDL_QueryTexture(jumpgate->texture, NULL, NULL, &jumpgate->w, &jumpgate->h);
|
|
|
|
battle.jumpgate = jumpgate;
|
|
|
|
return jumpgate;
|
|
}
|
|
|
|
static void addNodes(Entity *jumpgate, long flags)
|
|
{
|
|
Entity *node;
|
|
SDL_Texture *nodeTexture;
|
|
int i;
|
|
|
|
nodeTexture = getTexture("gfx/entities/jumpgateNode.png");
|
|
|
|
for (i = 0 ; i < 360 ; i += 36)
|
|
{
|
|
node = spawnEntity();
|
|
STRNCPY(node->name, _("Jumpgate System Node"), MAX_NAME_LENGTH);
|
|
node->health = node->maxHealth = 25;
|
|
node->type = ET_COMPONENT;
|
|
node->offsetX = sin(TO_RAIDANS(i)) * 215;
|
|
node->offsetY = -cos(TO_RAIDANS(i)) * 215;
|
|
node->owner = jumpgate;
|
|
node->side = jumpgate->side;
|
|
node->texture = nodeTexture;
|
|
node->flags = EF_TAKES_DAMAGE+EF_AI_IGNORE;
|
|
node->die = nodeDie;
|
|
SDL_QueryTexture(node->texture, NULL, NULL, &node->w, &node->h);
|
|
|
|
if (jumpgate->side == SIDE_NONE)
|
|
{
|
|
node->flags |= EF_NO_HEALTH_BAR;
|
|
}
|
|
|
|
if (flags != -1)
|
|
{
|
|
node->flags = flags;
|
|
}
|
|
|
|
jumpgate->maxHealth++;
|
|
}
|
|
|
|
jumpgate->health = jumpgate->maxHealth;
|
|
}
|
|
|
|
static void nodeDie(void)
|
|
{
|
|
self->alive = ALIVE_DEAD;
|
|
addSmallExplosion();
|
|
playBattleSound(SND_EXPLOSION_1 + rand() % 4, self->x, self->y);
|
|
addDebris(self->x, self->y, 3 + rand() % 4);
|
|
|
|
if (--battle.jumpgate->health == 1)
|
|
{
|
|
battle.jumpgate->flags |= EF_DISABLED;
|
|
|
|
updateObjective("Jumpgate", TT_DESTROY);
|
|
updateCondition("Jumpgate", TT_DESTROY);
|
|
}
|
|
|
|
runScriptFunction("JUMPGATE_HEALTH %d", battle.jumpgate->health);
|
|
}
|
|
|
|
int jumpgateEnabled(void)
|
|
{
|
|
return (battle.jumpgate && (!(battle.jumpgate->flags & EF_DISABLED)));
|
|
}
|
|
|
|
void activateJumpgate(int activate)
|
|
{
|
|
Entity *e;
|
|
|
|
if (battle.jumpgate && battle.jumpgate->health > 1)
|
|
{
|
|
for (e = battle.entityHead.next ; e != NULL ; e = e->next)
|
|
{
|
|
if (e == battle.jumpgate || e->owner == battle.jumpgate)
|
|
{
|
|
if (activate)
|
|
{
|
|
e->flags &= ~EF_DISABLED;
|
|
}
|
|
else
|
|
{
|
|
e->flags |= EF_DISABLED;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static void think(void)
|
|
{
|
|
self->thinkTime = 4;
|
|
|
|
self->angle += 0.1;
|
|
|
|
if (self->angle >= 360)
|
|
{
|
|
self->angle -= 360;
|
|
}
|
|
|
|
if (jumpgateEnabled())
|
|
{
|
|
handleFleeingEntities();
|
|
}
|
|
|
|
portalAngle += 2;
|
|
|
|
if (portalAngle >= 360)
|
|
{
|
|
portalAngle -= 360;
|
|
}
|
|
}
|
|
|
|
static void handleFleeingEntities(void)
|
|
{
|
|
Entity *e, **candidates;
|
|
int i;
|
|
|
|
candidates = getAllEntsInRadius(self->x, self->y, ESCAPE_DISTANCE * 2, self);
|
|
|
|
for (i = 0, e = candidates[i] ; e != NULL ; e = candidates[++i])
|
|
{
|
|
if (e->health > 0 && (e->flags & EF_RETREATING) && getDistance(self->x, self->y, e->x, e->y) <= ESCAPE_DISTANCE)
|
|
{
|
|
e->alive = ALIVE_ESCAPED;
|
|
|
|
addEscapeEffect(e);
|
|
|
|
playBattleSound(SND_JUMP, e->x, e->y);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void addEscapeEffect(Entity *ent)
|
|
{
|
|
Effect *e;
|
|
int i, n, speed;
|
|
|
|
n = ent->w * ent->h;
|
|
|
|
for (i = 0 ; i < n ; i++)
|
|
{
|
|
e = malloc(sizeof(Effect));
|
|
memset(e, 0, sizeof(Effect));
|
|
battle.effectTail->next = e;
|
|
battle.effectTail = e;
|
|
|
|
speed = 50 + rand() % 50;
|
|
|
|
e->type = EFFECT_POINT;
|
|
e->x = ent->x + (rand() % ent->w) - (rand() % ent->w);
|
|
e->y = ent->y + (rand() % ent->h) - (rand() % ent->w);
|
|
|
|
e->dx = self->x - e->x;
|
|
e->dx /= speed;
|
|
|
|
e->dy = self->y - e->y;
|
|
e->dy /= speed;
|
|
|
|
e->r = e->g = e->b = e->a = (rand() % 255);
|
|
e->health = speed;
|
|
}
|
|
}
|
|
|
|
static void draw(void)
|
|
{
|
|
if (jumpgateEnabled())
|
|
{
|
|
blitRotated(portal, self->x - battle.camera.x, self->y - battle.camera.y, portalAngle);
|
|
}
|
|
|
|
blitRotated(self->texture, self->x - battle.camera.x, self->y - battle.camera.y, self->angle);
|
|
}
|