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                 if(this.viewloc.goalentity == this.viewloc.enemy)
  18                         return; // we can't side-scroll in this case
  19
  20                 vector old_movement = PHYS_CS(this).movement;
  21                 PHYS_CS(this).movement_x = old_movement_y;
  22                 PHYS_CS(this).movement_y = 0;
  23
  24                 vector level_start, level_end;
  25                 level_start = this.viewloc.enemy.origin;
  26                 level_end = this.viewloc.goalentity.origin;
  27                 vector forward = vectoangles(normalize(level_end - level_start));
  28                 vector backward = vectoangles(normalize(level_start - level_end));
  29
  30                 if(this.viewloc.spawnflags & VIEWLOC_FREEAIM)
  31                 {
  32                         if(this.angles_y > 0)
  33                                 PHYS_CS(this).movement_x = -PHYS_CS(this).movement_x;
  34                 }
  35                 else
  36                 {
  37                         if(PHYS_CS(this).movement_x < 0)
  38                                 PHYS_CS(this).movement_x = -PHYS_CS(this).movement_x;
  39
  40                         if(PHYS_CS(this).movement_x < 0) // left
  41                                 this.angles_y = backward.y;
  42                         if(PHYS_CS(this).movement_x > 0) // right
  43                                 this.angles_y = forward.y;
  44
  45                         if(old_movement_x > 0)
  46         #ifdef CSQC
  47                                 input_angles_x =
  48         #endif
  49                                 this.v_angle_x = this.angles_x = -50;
  50                         else if(old_movement_x < 0)
  51         #ifdef CSQC
  52                                 input_angles_x =
  53         #endif
  54                                 this.v_angle_x = this.angles_x = 50;
  55                 }
  56
  57                 //if(!PHYS_INPUT_BUTTON_CROUCH(this) && !IS_DUCKED(this))
  58 #ifdef SVQC
  59                         //PHYS_INPUT_BUTTON_CROUCH(this) = (old_movement_x < 0);
  60                         if (old_movement.x < 0)
  61                                 PHYS_INPUT_BUTTON_CROUCH(this) = true;
  62 #elif defined(CSQC)
  63                         if (old_movement.x < 0)
  64                         {
  65                                 input_buttons |= BIT(4);
  66                                 this.flags |= FL_DUCKED;
  67                         }
  68                         //else { input_buttons &= ~16; this.flags &= ~FL_DUCKED; }
  69 #endif
  70         }
  71 }
  72
  73 #ifdef CSQC
  74
  75 void viewloc_SetTags(entity this)
  76 {
  77         if(this.viewloc && wasfreed(this.viewloc))
  78                 this.viewloc = NULL;
  79
  80         if(this.viewloc.entnum != this.tag_networkviewloc)
  81         if(this.tag_networkviewloc == 0)
  82                 this.viewloc = NULL;
  83         else
  84                 this.viewloc = findfloat(NULL, entnum, this.tag_networkviewloc);
  85 }
  86
  87 vector CursorToWorldCoord(vector mpos)
  88 {
  89         vector wnear = cs_unproject(vec2(mpos)); // determine the world coordinate for the mouse cursor upon the near clip plane
  90         vector wfar = cs_unproject(vec3(mpos.x, mpos.y, max_shot_distance)); // determine the world coordinate for the mouse cursor upon the far clip plane, with an outrageously large value as a workaround for dp.
  91         traceline(wnear, wfar, MOVE_NOMONSTERS, NULL);
  92         return trace_endpos;
  93 }
  94
  95 vector old_camera_angle = '0 0 0';
  96 bool autocvar_cam_snap_close;
  97 bool autocvar_cam_track;
  98 bool autocvar_cam_snap_hard;
  99 bool autocvar_cam_snap_unlock;
 100 void viewloc_SetViewLocation()
 101 {
 102         entity view = CSQCModel_server2csqc(player_localentnum - 1);
 103         if (!view) return;
 104         //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
 105         if(view.viewloc && !wasfreed(view.viewloc) && view.viewloc.enemy && view.viewloc.goalentity)
 106         {
 107                 bool have_sidescroll = (view.viewloc.enemy != view.viewloc.goalentity);
 108                 vector position_a, position_b, camera_position, camera_angle = '0 0 0', forward, backward;
 109                 //vector scratch;
 110
 111                 position_a = view.viewloc.enemy.origin;
 112                 position_b = view.viewloc.goalentity.origin;
 113
 114 #if 0
 115                 /*TODO: have the camera only move when a player moves too much from the center of the camera
 116                  * basically the player can move around in a "box" in the center of th screen with out changing the camera position or angles
 117                 */
 118                 if (cvar("cam_box")) {
 119                         camera_position = vec_bounds_in(view.origin, position_a, position_b);
 120                 }
 121                 else
 122 #endif
 123                         camera_position = vec_bounds_in(view.origin, position_a, position_b);
 124
 125
 126                 // a tracking camera follows the player when it leaves the world box
 127                 if (autocvar_cam_track || !have_sidescroll) {
 128                         camera_angle = aim_vec (camera_position, view.origin);
 129                 }
 130
 131                 // hard snap changes the angle as soon as it crosses over the nearest 90 degree mark
 132                 if (autocvar_cam_snap_hard){
 133                         camera_angle = angle_snap_vec(aim_vec(camera_position, view.origin), 90);
 134                 }
 135
 136                 // tries to avoid snapping unless it *really* needs to
 137                 if (autocvar_cam_snap_close){
 138
 139                         // like hard snap, but don't snap angles yet.
 140                         camera_angle = aim_vec(camera_position, view.origin);
 141
 142                         /* if the difference between the old and new angle is 60 degrees or more, switch angles.
 143                          * NOTE: bug/feature: this will use non-snaped angles for one frame.
 144                          * doing this resualts in less code, faster code, and a smoother transisition between angles.
 145                          */
 146                         float camera_angle_diff = max(camera_angle.y, old_camera_angle.y) - min(camera_angle.y, old_camera_angle.y);
 147
 148                         if ( camera_angle_diff >= 60)
 149                                 old_camera_angle.y = angle_snap_f(camera_angle.y, 90);
 150                         else
 151                                 camera_angle.y = old_camera_angle.y;
 152                 }
 153
 154                 //unlocking this allows the camera to look up and down. this also allows a top-down view.
 155                 if (!autocvar_cam_snap_unlock) {
 156                         camera_angle.x = 0;
 157                         camera_angle.z = 0;
 158                 }
 159
 160 #if 0
 161                 LOG_TRACE(vtos(camera_position));
 162                 LOG_TRACE(vtos(old_camera_angle));
 163                 LOG_TRACE(vtos(camera_angle));
 164 #endif
 165
 166                 freeze_org = getpropertyvec(VF_ORIGIN);
 167                 freeze_ang = getpropertyvec(VF_ANGLES);
 168                 setproperty(VF_ORIGIN, camera_position);
 169                 setproperty(VF_ANGLES, camera_angle);
 170
 171                 if(have_sidescroll)
 172                 {
 173                         forward = vectoangles(normalize(vec_to_min(position_b, position_a) - vec_to_max(position_b, position_a)));
 174                         backward = vectoangles(normalize(vec_to_max(position_b, position_a) - vec_to_min(position_b, position_a)));
 175
 176                         if(!(view.viewloc.spawnflags & VIEWLOC_FREEAIM))
 177                         {
 178                                 if(input_movevalues_y < 0) // left
 179                                         view.angles_y = backward.y;
 180                                 if(input_movevalues_y > 0) // favour right
 181                                         view.angles_y = forward.y;
 182
 183                                 setproperty(VF_CL_VIEWANGLES, view.angles);
 184                         }
 185                         else
 186                         {
 187                                 //vector fpos = view.origin + view.view_ofs + forward * max_shot_distance;
 188                                 //vector bpos = view.origin + view.view_ofs + backward * max_shot_distance;
 189                                 vector mpos = CursorToWorldCoord(viewloc_mousepos);
 190                                 //vector pos_bounds = vec_bounds_in(mpos, fpos, bpos);
 191                                 setproperty(VF_CL_VIEWANGLES, aim_vec(view.origin + view.view_ofs, vec3(view.origin_x + view.view_ofs_x, mpos.y, mpos.z)));
 192                         }
 193                 }
 194         }
 195 }
 196
 197 #endif