qcsrc/common/viewloc.qc

   1 #include "util.qh"
   2
   3 #if defined(CSQC)
   4     #include "../client/defs.qh"
   5     #include "constants.qh"
   6 #elif defined(MENUQC)
   7 #elif defined(SVQC)
   8         #include "../server/defs.qh"
   9 #endif
  10
  11 // client movement
  12 void viewloc_PlayerPhysics(entity this)
  13 {
  14         if(this.viewloc)
  15         {
  16                 vector old_movement = this.movement;
  17                 this.movement_x = old_movement_y;
  18                 this.movement_y = 0;
  19
  20                 if(this.movement_x < 0)
  21                         this.movement_x = -this.movement_x;
  22
  23                 vector level_start, level_end;
  24                 level_start = this.viewloc.enemy.origin;
  25                 level_end = this.viewloc.goalentity.origin;
  26                 vector forward, backward;
  27                 forward = vectoangles(normalize(level_end - level_start));
  28                 backward = vectoangles(normalize(level_start - level_end));
  29
  30                 if(this.movement_x < 0) // left
  31                         this.angles_y = backward_y;
  32                 if(this.movement_x > 0) // right
  33                         this.angles_y = forward_y;
  34
  35                 if(old_movement_x > 0)
  36 #ifdef CSQC
  37                         input_angles_x =
  38 #endif
  39                         this.v_angle_x = this.angles_x = -50;
  40                 else if(old_movement_x < 0)
  41 #ifdef CSQC
  42                         input_angles_x =
  43 #endif
  44                         this.v_angle_x = this.angles_x = 50;
  45
  46                 //if(!PHYS_INPUT_BUTTON_CROUCH(this) && !IS_DUCKED(this))
  47 #ifdef SVQC
  48                         //PHYS_INPUT_BUTTON_CROUCH(this) = (old_movement_x < 0);
  49                         if (old_movement.x < 0)
  50                                 PHYS_INPUT_BUTTON_CROUCH(this) = true;
  51 #elif defined(CSQC)
  52                         if (old_movement.x < 0)
  53                         {
  54                                 input_buttons |= BIT(4);
  55                                 this.flags |= FL_DUCKED;
  56                         }
  57                         //else { input_buttons &= ~16; this.flags &= ~FL_DUCKED; }
  58 #endif
  59         }
  60 }
  61
  62 #ifdef CSQC
  63
  64 void viewloc_SetTags(entity this)
  65 {
  66         if(this.viewloc && wasfreed(this.viewloc))
  67                 this.viewloc = NULL;
  68
  69         if(this.viewloc.entnum != this.tag_networkviewloc)
  70         if(this.tag_networkviewloc == 0)
  71                 this.viewloc = NULL;
  72         else
  73                 this.viewloc = findfloat(NULL, entnum, this.tag_networkviewloc);
  74 }
  75
  76 vector old_camera_angle = '0 0 0';
  77 void viewloc_SetViewLocation()
  78 {
  79         entity view = CSQCModel_server2csqc(player_localentnum - 1);
  80         if (!view) return;
  81         //NOTE: the "cam_" cvars sould probably be changed out with a spawnflag or an entity key. I have it like this for my testing -- Player_2
  82         if(view.viewloc && !wasfreed(view.viewloc) && view.viewloc.enemy && view.viewloc.goalentity)
  83         {
  84                 vector position_a, position_b, camera_position, camera_angle, forward, backward;
  85                 //vector scratch;
  86
  87                 position_a = view.viewloc.enemy.origin;
  88                 position_b = view.viewloc.goalentity.origin;
  89
  90 #if 0
  91                 /*TODO: have the camera only move when a player moves too much from the center of the camera
  92                  * basically the player can move around in a "box" in the center of th screen with out changing the camera position or angles
  93                 */
  94                 if (cvar("cam_box")) {
  95                         camera_position = vec_bounds_in(view.origin, position_a, position_b);
  96                 }
  97                 else
  98 #endif
  99                         camera_position = vec_bounds_in(view.origin, position_a, position_b);
 100
 101
 102                 camera_angle = '0 0 0';
 103
 104                 // a tracking camera follows the player when it leaves the world box
 105                 if (cvar("cam_track")) {
 106                         camera_angle = aim_vec (camera_position, view.origin);
 107                 }
 108
 109                 // hard snap changes the angle as soon as it crosses over the nearest 90 degree mark
 110                 if (cvar("cam_snap_hard")){
 111                         camera_angle = angle_snap_vec(aim_vec(camera_position, view.origin), 90);
 112                 }
 113
 114                 // tries to avoid snapping unless it *really* needs to
 115                 if (cvar("cam_snap_close")){
 116
 117                         // like hard snap, but don't snap angles yet.
 118                         camera_angle = aim_vec(camera_position, view.origin);
 119
 120                         /* if the difference between the old and new angle is 60 degrees or more, switch angles.
 121                          * NOTE: bug/feature: this will use non-snaped angles for one frame.
 122                          * doing this resualts in less code, faster code, and a smoother transisition between angles.
 123                          */
 124                         float camera_angle_diff = max(camera_angle_y, old_camera_angle_y) - min(camera_angle_y, old_camera_angle_y);
 125
 126                         if ( camera_angle_diff >= 60)
 127                                 old_camera_angle_y = angle_snap_f(camera_angle_y, 90);
 128                         else
 129                                 camera_angle_y = old_camera_angle_y;
 130                 }
 131
 132                 //unlocking this allows the camera to look up and down. this also allows a top-down view.
 133                 if (!cvar("cam_snap_unlock")) {
 134                         camera_angle_x = 0;
 135                         camera_angle_z = 0;
 136                 }
 137
 138 #if 0
 139                 LOG_TRACE(vtos(camera_position));
 140                 LOG_TRACE(vtos(old_camera_angle));
 141                 LOG_TRACE(vtos(camera_angle));
 142 #endif
 143
 144                 freeze_org = getpropertyvec(VF_ORIGIN);
 145                 freeze_ang = getpropertyvec(VF_ANGLES);
 146                 setproperty(VF_ORIGIN, camera_position);
 147                 setproperty(VF_ANGLES, camera_angle);
 148
 149                 forward = vectoangles(normalize(vec_to_min(position_b, position_a) - vec_to_max(position_b, position_a)));
 150                 backward = vectoangles(normalize(vec_to_max(position_b, position_a) - vec_to_min(position_b, position_a)));
 151
 152                 if(input_movevalues_y < 0) // left
 153                         view.angles_y = backward_y;
 154                 if(input_movevalues_y > 0) // favour right
 155                         view.angles_y = forward_y;
 156
 157                 setproperty(VF_CL_VIEWANGLES, view.angles);
 158         }
 159 }
 160
 161 #endif