src/teleporters.cpp

   1 /*
   2 Copyright © 2004 Parallel Realities
   3 Copyright © 2007-2008 Kővágó Zoltán <DirtY.iCE.hu@gmail.com>
   4
   5 This program is free software; you can redistribute it and/or
   6 modify it under the terms of the GNU General Public License
   7 as published by the Free Software Foundation; either version 2
   8 of the License, or (at your option) any later version.
   9
  10 This program is distributed in the hope that it will be useful,
  11 but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  13
  14 See the GNU General Public License for more details.
  15
  16 You should have received a copy of the GNU General Public License
  17 along with this program; if not, write to the Free Software
  18 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  19
  20 */
  21
  22 #include "CCollision.h"
  23 #include "CGraphics.h"
  24 #include "CMap.h"
  25 #include "CMath.h"
  26 #include "CTeleporter.h"
  27 #include "console/console.hpp"
  28 #include "teleporters.h"
  29
  30 /**
  31 * Adds a teleporter to the level.
  32 * @param name The group name of the teleporter
  33 * @param x The x location of the teleporter
  34 * @param y The y location of the teleporter
  35 * @param destX The x destination of the teleporter
  36 * @param destY The y destination of the teleporter
  37 * @param active The active state of the teleporter
  38 */
  39 void addTeleporter(char *name, int x, int y, int destX, int destY, bool active)
  40 {
  41         Teleporter *teleport = new Teleporter();
  42
  43         teleport->setName(name);
  44         teleport->set(x, y, destX, destY);
  45         teleport->active = active;
  46
  47         map.addTeleporter(teleport);
  48 }
  49
  50 /**
  51 * Teleporters an entity that touches this teleporter to
  52 * the teleporter's destination location
  53 * @param ent The entity to check against
  54 */
  55 void checkTeleportContact(Entity *ent)
  56 {
  57         Teleporter *teleport = (Teleporter*)map.teleportList.getHead();
  58
  59         while (teleport->next != NULL)
  60         {
  61                 teleport = (Teleporter*)teleport->next;
  62
  63                 if (!teleport->active)
  64                         continue;
  65
  66                 if (Collision::collision(ent->x + ent->dx, ent->y + ent->dy, ent->width, ent->height, teleport->x + 16, teleport->y - 20, 32, 25))
  67                 {
  68                         ent->dx = teleport->destX;
  69                         ent->dy = teleport->destY;
  70                         Math::addBit(&ent->flags, ENT_TELEPORTING);
  71                         addTeleportParticles(ent->x + (ent->width / 2), ent->y + (ent->height / 2), 50, SND_TELEPORT3);
  72
  73                         debug("tele", 3) << ent->name << " - Teleporting to " << ent->dx << ":" << ent->dy << std::endl;;
  74                 }
  75         }
  76 }
  77
  78 /**
  79 * Loops through all the teleporters and makes them do their thing
  80 */
  81 void doTeleporters()
  82 {
  83         Sprite *teleportStar = graphics.getSprite("TeleportStar", true);
  84         Teleporter *teleport = (Teleporter*)map.teleportList.getHead();
  85
  86         int x, y;
  87         float dy;
  88
  89         while (teleport->next != NULL)
  90         {
  91                 teleport = (Teleporter*)teleport->next;
  92
  93                 x = (int)(teleport->x - map.offsetX);
  94                 y = (int)(teleport->y - map.offsetY);
  95
  96                 if ((abs(x) <= (graphics.width + 160)) && (abs(y) <= (graphics.height + 120)))
  97                 {
  98                         if (teleport->sprite == NULL)
  99                         {
 100                                 teleport->sprite = graphics.getSprite("Teleporter", true);
 101                         }
 102
 103                         graphics.blit(teleport->sprite->getCurrentFrame(), x, y, graphics.screen, false);
 104
 105                         if (teleport->active)
 106                         {
 107                                 dy = Math::rrand(-100, -10);
 108                                 dy /= 100;
 109                                 map.addParticle(teleport->x + rand() % 64, teleport->y, 0, dy, Math::rrand(30, 60), graphics.white, teleportStar, PAR_WEIGHTLESS);
 110                         }
 111                 }
 112         }
 113 }