qcsrc/common/viewloc.qc

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