import the Slacker's QVM code base

1 files changed, 436 insertions, 0 deletions

diff --git a/src/game/g_misc.c b/src/game/g_misc.c
new file mode 100644
index 0000000..b0d6077
--- /dev/null
+++ b/src/game/g_misc.c
@@ -0,0 +1,436 @@
+/*
+===========================================================================
+Copyright (C) 1999-2005 Id Software, Inc.
+Copyright (C) 2000-2006 Tim Angus
+
+This file is part of Tremulous.
+
+Tremulous is free software; you can redistribute it
+and/or modify it under the terms of the GNU General Public License as
+published by the Free Software Foundation; either version 2 of the License,
+or (at your option) any later version.
+
+Tremulous is distributed in the hope that it will be
+useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with Tremulous; if not, write to the Free Software
+Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+===========================================================================
+*/
+
+#include "g_local.h"
+
+
+/*QUAKED func_group (0 0 0) ?
+Used to group brushes together just for editor convenience.  They are turned into normal brushes by the utilities.
+*/
+
+
+/*QUAKED info_null (0 0.5 0) (-4 -4 -4) (4 4 4)
+Used as a positional target for calculations in the utilities (spotlights, etc), but removed during gameplay.
+*/
+void SP_info_null( gentity_t *self )
+{
+  G_FreeEntity( self );
+}
+
+
+/*QUAKED info_notnull (0 0.5 0) (-4 -4 -4) (4 4 4)
+Used as a positional target for in-game calculation, like jumppad targets.
+target_position does the same thing
+*/
+void SP_info_notnull( gentity_t *self )
+{
+  G_SetOrigin( self, self->s.origin );
+}
+
+
+/*QUAKED light (0 1 0) (-8 -8 -8) (8 8 8) linear
+Non-displayed light.
+"light" overrides the default 300 intensity.
+Linear checbox gives linear falloff instead of inverse square
+Lights pointed at a target will be spotlights.
+"radius" overrides the default 64 unit radius of a spotlight at the target point.
+*/
+void SP_light( gentity_t *self )
+{
+  G_FreeEntity( self );
+}
+
+
+
+/*
+=================================================================================
+
+TELEPORTERS
+
+=================================================================================
+*/
+
+void TeleportPlayer( gentity_t *player, vec3_t origin, vec3_t angles )
+{
+  // unlink to make sure it can't possibly interfere with G_KillBox
+  trap_UnlinkEntity( player );
+
+  VectorCopy( origin, player->client->ps.origin );
+  player->client->ps.origin[ 2 ] += 1;
+
+  // spit the player out
+  AngleVectors( angles, player->client->ps.velocity, NULL, NULL );
+  VectorScale( player->client->ps.velocity, 400, player->client->ps.velocity );
+  player->client->ps.pm_time = 160;   // hold time
+  player->client->ps.pm_flags |= PMF_TIME_KNOCKBACK;
+
+  // toggle the teleport bit so the client knows to not lerp
+  player->client->ps.eFlags ^= EF_TELEPORT_BIT;
+  G_UnlaggedClear( player );
+
+  // set angles
+  G_SetClientViewAngle( player, angles );
+
+  // kill anything at the destination
+  if( player->client->sess.sessionTeam != TEAM_SPECTATOR )
+    G_KillBox( player );
+
+  // save results of pmove
+  BG_PlayerStateToEntityState( &player->client->ps, &player->s, qtrue );
+
+  // use the precise origin for linking
+  VectorCopy( player->client->ps.origin, player->r.currentOrigin );
+
+  if( player->client->sess.sessionTeam != TEAM_SPECTATOR )
+    trap_LinkEntity (player);
+}
+
+
+/*QUAKED misc_teleporter_dest (1 0 0) (-32 -32 -24) (32 32 -16)
+Point teleporters at these.
+Now that we don't have teleport destination pads, this is just
+an info_notnull
+*/
+void SP_misc_teleporter_dest( gentity_t *ent )
+{
+}
+
+
+//===========================================================
+
+/*QUAKED misc_model (1 0 0) (-16 -16 -16) (16 16 16)
+"model"   arbitrary .md3 file to display
+*/
+void SP_misc_model( gentity_t *ent )
+{
+#if 0
+  ent->s.modelindex = G_ModelIndex( ent->model );
+  VectorSet (ent->mins, -16, -16, -16);
+  VectorSet (ent->maxs, 16, 16, 16);
+  trap_LinkEntity (ent);
+
+  G_SetOrigin( ent, ent->s.origin );
+  VectorCopy( ent->s.angles, ent->s.apos.trBase );
+#else
+  G_FreeEntity( ent );
+#endif
+}
+
+//===========================================================
+
+void locateCamera( gentity_t *ent )
+{
+  vec3_t    dir;
+  gentity_t *target;
+  gentity_t *owner;
+
+  owner = G_PickTarget( ent->target );
+  if( !owner )
+  {
+    G_Printf( "Couldn't find target for misc_portal_surface\n" );
+    G_FreeEntity( ent );
+    return;
+  }
+  ent->r.ownerNum = owner->s.number;
+
+  // frame holds the rotate speed
+  if( owner->spawnflags & 1 )
+    ent->s.frame = 25;
+  else if( owner->spawnflags & 2 )
+    ent->s.frame = 75;
+
+  // swing camera ?
+  if( owner->spawnflags & 4 )
+  {
+    // set to 0 for no rotation at all
+    ent->s.powerups = 0;
+  }
+  else
+    ent->s.powerups = 1;
+
+  // clientNum holds the rotate offset
+  ent->s.clientNum = owner->s.clientNum;
+
+  VectorCopy( owner->s.origin, ent->s.origin2 );
+
+  // see if the portal_camera has a target
+  target = G_PickTarget( owner->target );
+  if( target )
+  {
+    VectorSubtract( target->s.origin, owner->s.origin, dir );
+    VectorNormalize( dir );
+  }
+  else
+    G_SetMovedir( owner->s.angles, dir );
+
+  ent->s.eventParm = DirToByte( dir );
+}
+
+/*QUAKED misc_portal_surface (0 0 1) (-8 -8 -8) (8 8 8)
+The portal surface nearest this entity will show a view from the targeted misc_portal_camera, or a mirror view if untargeted.
+This must be within 64 world units of the surface!
+*/
+void SP_misc_portal_surface( gentity_t *ent )
+{
+  VectorClear( ent->r.mins );
+  VectorClear( ent->r.maxs );
+  trap_LinkEntity( ent );
+
+  ent->r.svFlags = SVF_PORTAL;
+  ent->s.eType = ET_PORTAL;
+
+  if( !ent->target )
+  {
+    VectorCopy( ent->s.origin, ent->s.origin2 );
+  }
+  else
+  {
+    ent->think = locateCamera;
+    ent->nextthink = level.time + 100;
+  }
+}
+
+/*QUAKED misc_portal_camera (0 0 1) (-8 -8 -8) (8 8 8) slowrotate fastrotate noswing
+
+The target for a misc_portal_director.  You can set either angles or target another entity to determine the direction of view.
+"roll" an angle modifier to orient the camera around the target vector;
+*/
+void SP_misc_portal_camera( gentity_t *ent )
+{
+  float roll;
+
+  VectorClear( ent->r.mins );
+  VectorClear( ent->r.maxs );
+  trap_LinkEntity( ent );
+
+  G_SpawnFloat( "roll", "0", &roll );
+
+  ent->s.clientNum = roll / 360.0f * 256;
+}
+
+/*
+======================================================================
+
+  NEAT EFFECTS AND STUFF FOR TREMULOUS
+
+======================================================================
+*/
+
+void SP_toggle_particle_system( gentity_t *self )
+{
+  //toggle EF_NODRAW
+  self->s.eFlags ^= EF_NODRAW;
+
+  self->nextthink = 0;
+}
+
+/*
+===============
+SP_use_particle_system
+
+Use function for particle_system
+===============
+*/
+void SP_use_particle_system( gentity_t *self, gentity_t *other, gentity_t *activator )
+{
+  SP_toggle_particle_system( self );
+
+  if( self->wait > 0.0f )
+  {
+    self->think = SP_toggle_particle_system;
+    self->nextthink = level.time + (int)( self->wait * 1000 );
+  }
+}
+
+/*
+===============
+SP_spawn_particle_system
+
+Spawn function for particle system
+===============
+*/
+void SP_misc_particle_system( gentity_t *self )
+{
+  char  *s;
+
+  G_SetOrigin( self, self->s.origin );
+
+  G_SpawnString( "psName", "", &s );
+  G_SpawnFloat( "wait", "0", &self->wait );
+
+  //add the particle system to the client precache list
+  self->s.modelindex = G_ParticleSystemIndex( s );
+
+  if( self->spawnflags & 1 )
+    self->s.eFlags |= EF_NODRAW;
+
+  self->use = SP_use_particle_system;
+  self->s.eType = ET_PARTICLE_SYSTEM;
+  trap_LinkEntity( self );
+}
+
+/*
+===============
+SP_use_anim_model
+
+Use function for anim model
+===============
+*/
+void SP_use_anim_model( gentity_t *self, gentity_t *other, gentity_t *activator )
+{
+  if( self->spawnflags & 1 )
+  {
+    //if spawnflag 1 is set
+    //toggle EF_NODRAW
+    if( self->s.eFlags & EF_NODRAW )
+      self->s.eFlags &= ~EF_NODRAW;
+    else
+      self->s.eFlags |= EF_NODRAW;
+  }
+  else
+  {
+    //if the animation loops then toggle the animation
+    //toggle EF_MOVER_STOP
+    if( self->s.eFlags & EF_MOVER_STOP )
+      self->s.eFlags &= ~EF_MOVER_STOP;
+    else
+      self->s.eFlags |= EF_MOVER_STOP;
+  }
+}
+
+/*
+===============
+SP_misc_anim_model
+
+Spawn function for anim model
+===============
+*/
+void SP_misc_anim_model( gentity_t *self )
+{
+  self->s.powerups  = (int)self->animation[ 0 ];
+  self->s.weapon    = (int)self->animation[ 1 ];
+  self->s.torsoAnim = (int)self->animation[ 2 ];
+  self->s.legsAnim  = (int)self->animation[ 3 ];
+
+  self->s.angles2[ 0 ] = self->pos2[ 0 ];
+
+  //add the model to the client precache list
+  self->s.modelindex = G_ModelIndex( self->model );
+
+  self->use = SP_use_anim_model;
+
+  self->s.eType = ET_ANIMMAPOBJ;
+
+  // spawn with animation stopped
+  if( self->spawnflags & 2 )
+    self->s.eFlags |= EF_MOVER_STOP;
+
+  trap_LinkEntity( self );
+}
+
+/*
+===============
+SP_use_light_flare
+
+Use function for light flare
+===============
+*/
+void SP_use_light_flare( gentity_t *self, gentity_t *other, gentity_t *activator )
+{
+  self->s.eFlags ^= EF_NODRAW;
+}
+
+/*
+===============
+findEmptySpot
+
+Finds an empty spot radius units from origin
+==============
+*/
+static void findEmptySpot( vec3_t origin, float radius, vec3_t spot )
+{
+  int     i, j, k;
+  vec3_t  delta, test, total;
+  trace_t tr;
+
+  VectorClear( total );
+
+  //54(!) traces to test for empty spots
+  for( i = -1; i <= 1; i++ )
+  {
+    for( j = -1; j <= 1; j++ )
+    {
+      for( k = -1; k <= 1; k++ )
+      {
+        VectorSet( delta, ( i * radius ),
+                          ( j * radius ),
+                          ( k * radius ) );
+
+        VectorAdd( origin, delta, test );
+
+        trap_Trace( &tr, test, NULL, NULL, test, -1, MASK_SOLID );
+
+        if( !tr.allsolid )
+        {
+          trap_Trace( &tr, test, NULL, NULL, origin, -1, MASK_SOLID );
+          VectorScale( delta, tr.fraction, delta );
+          VectorAdd( total, delta, total );
+        }
+      }
+    }
+  }
+
+  VectorNormalize( total );
+  VectorScale( total, radius, total );
+  VectorAdd( origin, total, spot );
+}
+
+/*
+===============
+SP_misc_light_flare
+
+Spawn function for light flare
+===============
+*/
+void SP_misc_light_flare( gentity_t *self )
+{
+  self->s.eType = ET_LIGHTFLARE;
+  self->s.modelindex = G_ShaderIndex( self->targetShaderName );
+  VectorCopy( self->pos2, self->s.origin2 );
+
+  //try to find a spot near to the flare which is empty. This
+  //is used to facilitate visibility testing
+  findEmptySpot( self->s.origin, 8.0f, self->s.angles2 );
+
+  self->use = SP_use_light_flare;
+
+  G_SpawnFloat( "speed", "200", &self->speed );
+  self->s.time = self->speed;
+
+  G_SpawnInt( "mindist", "0", &self->s.generic1 );
+
+  if( self->spawnflags & 1 )
+    self->s.eFlags |= EF_NODRAW;
+
+  trap_LinkEntity( self );
+}