include/ghost.h

   1 /*
   2   Pacman Arena
   3   Copyright (C) 2003 Nuno Subtil
   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.  See the
  13   GNU General Public License for more details.
  14
  15   You should have received a copy of the GNU General Public License
  16   along with this program; if not, write to the Free Software
  17   Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  18 */
  19
  20 /* $Id: ghost.h,v 1.4 2003/11/27 22:11:57 nsubtil Exp $ */
  21
  22 #ifndef _GHOST_H
  23 #define _GHOST_H
  24
  25 #define GHOST_STATE_ACTIVE 0
  26 #define GHOST_STATE_DYING 1
  27 #define GHOST_STATE_DEAD 2
  28 #define GHOST_STATE_RETURNING 3
  29
  30 #define GHOST_SPEED 4.0
  31
  32 struct ghost
  33 {
  34         int id;
  35
  36         /* normal, comido, ... */
  37         int state;
  38
  39         /* posição em world-space */
  40         float position[3];
  41         /* direcção do movimento */
  42         int direction;
  43         /* velocidade (tiles / segundo) */
  44         float speed;
  45         /* tempo que resta até mudar de direcção */
  46         float time;
  47
  48         /* animação para o fantasma */
  49         struct object *model_active;
  50         int frames_active;
  51
  52         struct object *model_dying;
  53         int frames_dying;
  54
  55         struct object *model_dead;
  56         int frames_dead;
  57
  58         struct object *model_returning;
  59         int frames_returning;
  60
  61         /* frame actual */
  62         float current_frame;
  63
  64         /* distância máxima (vertical / horizontal) a que o fantasma detecta um jogador */
  65         int view_distance;
  66
  67         int tainted;
  68
  69         /* cor */
  70         GLfloat *color;
  71 };
  72
  73 #define GHOST_GREEN 18.0/256.0, 222.0/256.0, 18.0/256.0, 1.0
  74 #define GHOST_RED 246.0/256.0, 67.0/256.0, 18.0/256.0, 1.0
  75 #define GHOST_MAGENTA 224.0/256.0, 18.0/256.0, 243.0/256.0, 1.0
  76 #define GHOST_ORANGE 252.0/256.0, 122.0/256.0, 0.0, 1.0
  77
  78 extern GLfloat ghost_colors[4][4];
  79 extern int num_ghost_colors;
  80
  81 void ghost_taint_all(struct game *game);
  82 void ghost_untaint_all(struct game *game);
  83 void ghost_reset_all(struct game *game);
  84 void ghost_kill(struct game *game, struct ghost *g);
  85 void ghost_update(struct game *game, int ghost_no, float delta);
  86 void ghost_detect_ghost_collisions(struct game *game, struct ghost *g);
  87 int ghost_in_position(struct game *game, int x, int y);
  88 void ghost_detect_player_collisions(struct game *game, struct ghost *g);
  89 int ghost_check_visibility(struct game *game, struct ghost *g, int *r_dist);
  90 void ghost_new_direction(struct game *game, struct ghost *g);
  91
  92 #endif