home *** CD-ROM | disk | FTP | other *** search
/ 10,000 Great Games / 10,000 Great Games.iso / Product / 66 / data1.cab / Source_Files / Src / Turret.cpp < prev    next >
C/C++ Source or Header  |  2000-01-16  |  3KB  |  113 lines
  1. #include "stdafx.h"
  2.  
  3. cTurret::cTurret(int _x, int _y, cProperties *_orig)
  4.         : cWeapon(_x, _y, _orig, "MOVING")
  5. { 
  6.     orig->get_sequence("MOVING", moving_seq);
  7.     orig->get_sequence("FIRE", fire_seq);
  8.     
  9.     orig->get_spots("FIRE", &fire_spot);
  10.  
  11.     rotation_speed = orig->params->get_fix("*ROTATION_SPEED", TURRET_ROT_SPEED);
  12.     rotation_start = orig->params->get_fix("*ROTATION_START", 0);
  13.     rotation_end = orig->params->get_fix("*ROTATION_END", 256);
  14.     fire_delay = orig->params->get_fix("*FIRE_DELAY", TURRET_FIRE_DLY) * sec;
  15.  
  16.     rotation_direction = 1;
  17. }
  18.  
  19. cTurret::~cTurret()
  20. {
  21.     // Delete internal stuff
  22.     
  23.     fire_spot->delete_list();
  24.     
  25.     // Create explosions around turret
  26.  
  27.     cEffect::make(x, y, orig, "EXPLOSIONS", 5+rnd(5), width() / 2, height() / 2);
  28. }
  29.  
  30. void cTurret::load(cParse *list)
  31. {
  32.     cWeapon::load(list);
  33.  
  34.     rotation_speed = list->get_fix("ROTATION_SPEED", rotation_speed);
  35.     rotation_start = list->get_int("ROTATION_START", rotation_start);
  36.     rotation_end = list->get_int("ROTATION_END", rotation_end);
  37.     fire_delay = list->get_fix("FIRE_DELAY", (fix)fire_delay / sec) * sec;
  38.     armor = list->get_int("ARMOR", armor);
  39.  
  40.     set_rotation_angle(rotation_start);
  41. }
  42.  
  43. void cTurret::save()
  44. {
  45.     cWeapon::save();
  46.  
  47.     save_level_fix("ROTATION_SPEED", rotation_speed);
  48.     save_level_int("ROTATION_START", rotation_start);
  49.     save_level_int("ROTATION_END", rotation_end);
  50.     save_level_fix("FIRE_DELAY", (fix)fire_delay / sec);
  51.     save_level_int("ARMOR", armor);
  52. }
  53.  
  54. int cTurret::control()
  55. { 
  56.     // Check explode
  57.     
  58.     if (explode)
  59.         return FALSE;
  60.     
  61.     // Move
  62.  
  63.     cWeapon::control();    
  64.     
  65.     // Set animation
  66.  
  67.     if (animation_done())
  68.         set_sequence(moving_seq, TRUE);
  69.     
  70.     // Do rotation
  71.     
  72.     set_rotation_angle(get_rotation_angle() + rotate.delta() * rotation_direction * rotation_speed);
  73.         
  74.     if (rotation_end - rotation_start < (fix)256)
  75.     {
  76.         if (rotation_direction > (fix)0 && get_rotation_angle() > rotation_end)
  77.         {
  78.             rotation_direction = -1; 
  79.             set_rotation_angle(rotation_end);
  80.         }
  81.  
  82.         if (rotation_direction < (fix)0 && get_rotation_angle() < rotation_start)
  83.         {
  84.             rotation_direction = 1;
  85.             set_rotation_angle(rotation_start);
  86.         }
  87.     }
  88.  
  89.     // Fire?
  90.     
  91.     if (!firing)
  92.     {
  93.         int rx = x + fire_spot->get_rotated_x(get_rotation_angle()),
  94.             ry = y - fire_spot->get_rotated_y(get_rotation_angle());
  95.         
  96.         new cBullet (rx, ry, get_rotation_angle(), this);
  97.         
  98.         set_sequence(fire_seq);
  99.         
  100.         new cEffect (rx, ry, orig, "FIRE EFFECT");
  101.         
  102.         firing = fire_delay;
  103.     }
  104.     
  105.     // Check if still on screen
  106.     
  107.     return !below_screen();
  108. }
  109.  
  110. void cTurret::create_editables(int select)
  111. {
  112.     new cEditableTurret(this, select);
  113. }