http://www.qlad.net/doc/cmd_TempEnt.php
http://www.thelambda.sk/clanok.php?clanok=112

// Lots of Smoke
message_begin(MSG_PVS, SVC_TEMPENTITY, vec1)
write_byte(5) // TE_SMOKE
write_coord(vec1[0])
write_coord(vec1[1])
write_coord(vec1[2])
write_short(smoke)
write_byte(60)
write_byte(10)
message_end()

MESSAGE_BEGIN( MSG_PVS, SVC_TEMPENTITY, vecSpot );
WRITE_BYTE( TE_SMOKE );
WRITE_COORD( vecSpot.x + RANDOM_FLOAT( -150, 150 ));
WRITE_COORD( vecSpot.y + RANDOM_FLOAT( -150, 150 ));
WRITE_COORD( vecSpot.z + RANDOM_FLOAT( -150, -50 ));
WRITE_SHORT( g_sModelIndexSmoke );
WRITE_BYTE( 100 ); // scale * 10
WRITE_BYTE( 10  ); // framerate
MESSAGE_END();


// Smoke
message_begin(MSG_BROADCAST, SVC_TEMPENTITY, vec1)
write_byte(5) // TE_SMOKE
write_coord(vec1[0])
write_coord(vec1[1])
write_coord(vec1[2])
write_short(smoke)
write_byte(2)
write_byte(10)
message_end()

int gmsgAmmoPickup;
int gmsgAmmoX;
int gmsgBattery;
int gmsgCurWeapon;
int gmsgDamage;
int gmsgDeathMsg;
int gmsgHealth;
int gmsgMOTD;
int gmsgScoreInfo;
int gmsgSendAudio;
int gmsgServerName;
int gmsgShowMenu;
int gmsgTeamInfo;
int gmsgTextMsg;
int gmsgVGUIMenu;
int gmsgWeapPickup;
int gmsgWeaponList;
int gmsgintermission;
int gmsgResetHUD;
int gmsgRoundTime;

// message_begin(MSG_ALL,SVC_TEMPENTITY); 
// write_byte(/*NUMBER OF TEMP EVENT*/); 
/* 
* All of the things that it asks for 
*/ 
// message_end();

// 
// temp entity events 
// 
#define   TE_BEAMPOINTS      0      // beam effect between two points 
// coord coord coord (start position) 
// coord coord coord (end position) 
// short (sprite index) 
// byte (starting frame) 
// byte (frame rate in 0.1's) 
// byte (life in 0.1's) 
// byte (line width in 0.1's) 
// byte (noise amplitude in 0.01's) 
// byte,byte,byte (color) 
// byte (brightness) 
// byte (scroll speed in 0.1's) 

#define   TE_BEAMENTPOINT      1      // beam effect between point and entity 
// short (start entity) 
// coord coord coord (end position) 
// short (sprite index) 
// byte (starting frame) 
// byte (frame rate in 0.1's) 
// byte (life in 0.1's) 
// byte (line width in 0.1's) 
// byte (noise amplitude in 0.01's) 
// byte,byte,byte (color) 
// byte (brightness) 
// byte (scroll speed in 0.1's) 

#define   TE_GUNSHOT         2      // particle effect plus ricochet sound 
// coord coord coord (position) 

#define   TE_EXPLOSION      3      // additive sprite, 2 dynamic lights, flickering particles, explosion sound, move vertically 8 pps 
// coord coord coord (position) 
// short (sprite index) 
// byte (scale in 0.1's) 
// byte (framerate) 
// byte (flags) 
// 
// The Explosion effect has some flags to control performance/aesthetic features: 
#define TE_EXPLFLAG_NONE      0   // all flags clear makes default Half-Life explosion 
#define TE_EXPLFLAG_NOADDITIVE   1   // sprite will be drawn opaque (ensure that the sprite you send is a non-additive sprite) 
#define TE_EXPLFLAG_NODLIGHTS   2   // do not render dynamic lights 
#define TE_EXPLFLAG_NOSOUND      4   // do not play client explosion sound 
#define TE_EXPLFLAG_NOPARTICLES   8   // do not draw particles 


#define   TE_TAREXPLOSION      4      // Quake1 "tarbaby" explosion with sound 
// coord coord coord (position) 

#define   TE_SMOKE         5      // alphablend sprite, move vertically 30 pps 
// coord coord coord (position) 
// short (sprite index) 
// byte (scale in 0.1's) 
// byte (framerate) 

#define   TE_TRACER         6      // tracer effect from point to point 
// coord, coord, coord (start) 
// coord, coord, coord (end) 

#define   TE_LIGHTNING      7      // TE_BEAMPOINTS with simplified parameters 
// coord, coord, coord (start) 
// coord, coord, coord (end) 
// byte (life in 0.1's) 
// byte (width in 0.1's) 
// byte (amplitude in 0.01's) 
// short (sprite model index) 

#define   TE_BEAMENTS         8       
// short (start entity) 
// short (end entity) 
// short (sprite index) 
// byte (starting frame) 
// byte (frame rate in 0.1's) 
// byte (life in 0.1's) 
// byte (line width in 0.1's) 
// byte (noise amplitude in 0.01's) 
// byte,byte,byte (color) 
// byte (brightness) 
// byte (scroll speed in 0.1's) 

#define   TE_SPARKS         9      // 8 random tracers with gravity, ricochet sprite 
// coord coord coord (position) 

#define   TE_LAVASPLASH      10      // Quake1 lava splash 
// coord coord coord (position) 

#define   TE_TELEPORT         11      // Quake1 teleport splash 
// coord coord coord (position) 

#define TE_EXPLOSION2      12      // Quake1 colormaped (base palette) particle explosion with sound 
// coord coord coord (position) 
// byte (starting color) 
// byte (num colors) 

#define TE_BSPDECAL         13      // Decal from the .BSP file 
// coord, coord, coord (x,y,z), decal position (center of texture in world) 
// short (texture index of precached decal texture name) 
// short (entity index) 
// [optional - only included if previous short is non-zero (not the world)] short (index of model of above entity) 

#define TE_IMPLOSION      14      // tracers moving toward a point 
// coord, coord, coord (position) 
// byte (radius) 
// byte (count) 
// byte (life in 0.1's) 

#define TE_SPRITETRAIL      15      // line of moving glow sprites with gravity, fadeout, and collisions 
// coord, coord, coord (start) 
// coord, coord, coord (end) 
// short (sprite index) 
// byte (count) 
// byte (life in 0.1's) 
// byte (scale in 0.1's) 
// byte (velocity along vector in 10's) 
// byte (randomness of velocity in 10's) 

#define TE_BEAM            16      // obsolete 

#define TE_SPRITE         17      // additive sprite, plays 1 cycle 
// coord, coord, coord (position) 
// short (sprite index) 
// byte (scale in 0.1's) 
// byte (brightness) 

#define TE_BEAMSPRITE      18      // A beam with a sprite at the end 
// coord, coord, coord (start position) 
// coord, coord, coord (end position) 
// short (beam sprite index) 
// short (end sprite index) 

#define TE_BEAMTORUS      19      // screen aligned beam ring, expands to max radius over lifetime 
// coord coord coord (center position) 
// coord coord coord (axis and radius) 
// short (sprite index) 
// byte (starting frame) 
// byte (frame rate in 0.1's) 
// byte (life in 0.1's) 
// byte (line width in 0.1's) 
// byte (noise amplitude in 0.01's) 
// byte,byte,byte (color) 
// byte (brightness) 
// byte (scroll speed in 0.1's) 

#define TE_BEAMDISK         20      // disk that expands to max radius over lifetime 
// coord coord coord (center position) 
// coord coord coord (axis and radius) 
// short (sprite index) 
// byte (starting frame) 
// byte (frame rate in 0.1's) 
// byte (life in 0.1's) 
// byte (line width in 0.1's) 
// byte (noise amplitude in 0.01's) 
// byte,byte,byte (color) 
// byte (brightness) 
// byte (scroll speed in 0.1's) 

#define TE_BEAMCYLINDER      21      // cylinder that expands to max radius over lifetime 
// coord coord coord (center position) 
// coord coord coord (axis and radius) 
// short (sprite index) 
// byte (starting frame) 
// byte (frame rate in 0.1's) 
// byte (life in 0.1's) 
// byte (line width in 0.1's) 
// byte (noise amplitude in 0.01's) 
// byte,byte,byte (color) 
// byte (brightness) 
// byte (scroll speed in 0.1's) 

#define TE_BEAMFOLLOW      22      // create a line of decaying beam segments until entity stops moving 
// short (entity:attachment to follow) 
// short (sprite index) 
// byte (life in 0.1's) 
// byte (line width in 0.1's) 
// byte,byte,byte (color) 
// byte (brightness) 

#define TE_GLOWSPRITE      23       
// coord, coord, coord (pos) short (model index) byte (scale / 10) 

#define TE_BEAMRING         24      // connect a beam ring to two entities 
// short (start entity) 
// short (end entity) 
// short (sprite index) 
// byte (starting frame) 
// byte (frame rate in 0.1's) 
// byte (life in 0.1's) 
// byte (line width in 0.1's) 
// byte (noise amplitude in 0.01's) 
// byte,byte,byte (color) 
// byte (brightness) 
// byte (scroll speed in 0.1's) 

#define TE_STREAK_SPLASH   25      // oriented shower of tracers 
// coord coord coord (start position) 
// coord coord coord (direction vector) 
// byte (color) 
// short (count) 
// short (base speed) 
// short (ramdon velocity) 

#define TE_BEAMHOSE         26      // obsolete 

#define TE_DLIGHT         27      // dynamic light, effect world, minor entity effect 
// coord, coord, coord (pos) 
// byte (radius in 10's) 
// byte byte byte (color) 
// byte (brightness) 
// byte (life in 10's) 
// byte (decay rate in 10's) 

#define TE_ELIGHT         28      // point entity light, no world effect 
// short (entity:attachment to follow) 
// coord coord coord (initial position) 
// coord (radius) 
// byte byte byte (color) 
// byte (life in 0.1's) 
// coord (decay rate) 

#define TE_TEXTMESSAGE      29 
// short 1.2.13 x (-1 = center) 
// short 1.2.13 y (-1 = center) 
// byte Effect 0 = fade in/fade out 
         // 1 is flickery credits 
         // 2 is write out (training room) 

// 4 bytes r,g,b,a color1   (text color) 
// 4 bytes r,g,b,a color2   (effect color) 
// ushort 8.8 fadein time 
// ushort 8.8  fadeout time 
// ushort 8.8 hold time 
// optional ushort 8.8 fxtime   (time the highlight lags behing the leading text in effect 2) 
// string text message      (512 chars max sz string) 
#define TE_LINE            30 
// coord, coord, coord      startpos 
// coord, coord, coord      endpos 
// short life in 0.1 s 
// 3 bytes r, g, b 

#define TE_BOX            31 
// coord, coord, coord      boxmins 
// coord, coord, coord      boxmaxs 
// short life in 0.1 s 
// 3 bytes r, g, b 

#define TE_KILLBEAM         99      // kill all beams attached to entity 
// short (entity) 

#define TE_LARGEFUNNEL      100 
// coord coord coord (funnel position) 
// short (sprite index) 
// short (flags) 

#define   TE_BLOODSTREAM      101      // particle spray 
// coord coord coord (start position) 
// coord coord coord (spray vector) 
// byte (color) 
// byte (speed) 

#define   TE_SHOWLINE         102      // line of particles every 5 units, dies in 30 seconds 
// coord coord coord (start position) 
// coord coord coord (end position) 

#define TE_BLOOD         103      // particle spray 
// coord coord coord (start position) 
// coord coord coord (spray vector) 
// byte (color) 
// byte (speed) 

#define TE_DECAL         104      // Decal applied to a brush entity (not the world) 
// coord, coord, coord (x,y,z), decal position (center of texture in world) 
// byte (texture index of precached decal texture name) 
// short (entity index) 

#define TE_FIZZ            105      // create alpha sprites inside of entity, float upwards 
// short (entity) 
// short (sprite index) 
// byte (density) 

#define TE_MODEL         106      // create a moving model that bounces and makes a sound when it hits 
// coord, coord, coord (position) 
// coord, coord, coord (velocity) 
// angle (initial yaw) 
// short (model index) 
// byte (bounce sound type) 
// byte (life in 0.1's) 

#define TE_EXPLODEMODEL      107      // spherical shower of models, picks from set 
// coord, coord, coord (origin) 
// coord (velocity) 
// short (model index) 
// short (count) 
// byte (life in 0.1's) 

#define TE_BREAKMODEL      108      // box of models or sprites 
// coord, coord, coord (position) 
// coord, coord, coord (size) 
// coord, coord, coord (velocity) 
// byte (random velocity in 10's) 
// short (sprite or model index) 
// byte (count) 
// byte (life in 0.1 secs) 
// byte (flags) 

#define TE_GUNSHOTDECAL      109      // decal and ricochet sound 
// coord, coord, coord (position) 
// short (entity index???) 
// byte (decal???) 

#define TE_SPRITE_SPRAY      110      // spay of alpha sprites 
// coord, coord, coord (position) 
// coord, coord, coord (velocity) 
// short (sprite index) 
// byte (count) 
// byte (speed) 
// byte (noise) 

#define TE_ARMOR_RICOCHET   111      // quick spark sprite, client ricochet sound. 
// coord, coord, coord (position) 
// byte (scale in 0.1's) 

#define TE_PLAYERDECAL      112      // ??? 
// byte (playerindex) 
// coord, coord, coord (position) 
// short (entity???) 
// byte (decal number???) 
// [optional] short (model index???) 

#define TE_BUBBLES         113      // create alpha sprites inside of box, float upwards 
// coord, coord, coord (min start position) 
// coord, coord, coord (max start position) 
// coord (float height) 
// short (model index) 
// byte (count) 
// coord (speed) 

#define TE_BUBBLETRAIL      114      // create alpha sprites along a line, float upwards 
// coord, coord, coord (min start position) 
// coord, coord, coord (max start position) 
// coord (float height) 
// short (model index) 
// byte (count) 
// coord (speed) 

#define TE_BLOODSPRITE      115      // spray of opaque sprite1's that fall, single sprite2 for 1..2 secs (this is a high-priority tent) 
// coord, coord, coord (position) 
// short (sprite1 index) 
// short (sprite2 index) 
// byte (color) 
// byte (scale) 

#define TE_WORLDDECAL      116      // Decal applied to the world brush 
// coord, coord, coord (x,y,z), decal position (center of texture in world) 
// byte (texture index of precached decal texture name) 

#define TE_WORLDDECALHIGH   117      // Decal (with texture index > 256) applied to world brush 
// coord, coord, coord (x,y,z), decal position (center of texture in world) 
// byte (texture index of precached decal texture name - 256) 

#define TE_DECALHIGH      118      // Same as TE_DECAL, but the texture index was greater than 256 
// coord, coord, coord (x,y,z), decal position (center of texture in world) 
// byte (texture index of precached decal texture name - 256) 
// short (entity index) 

#define TE_PROJECTILE      119      // Makes a projectile (like a nail) (this is a high-priority tent) 
// coord, coord, coord (position) 
// coord, coord, coord (velocity) 
// short (modelindex) 
// byte (life) 
// byte (owner)  projectile won't collide with owner (if owner == 0, projectile will hit any client). 

#define TE_SPRAY         120      // Throws a shower of sprites or models 
// coord, coord, coord (position) 
// coord, coord, coord (direction) 
// short (modelindex) 
// byte (count) 
// byte (speed) 
// byte (noise) 
// byte (rendermode) 

#define TE_PLAYERSPRITES   121      // sprites emit from a player's bounding box (ONLY use for players!) 
// byte (playernum) 
// short (sprite modelindex) 
// byte (count) 
// byte (variance) (0 = no variance in size) (10 = 10% variance in size) 

#define TE_PARTICLEBURST   122      // very similar to lavasplash. 
// coord (origin) 
// short (radius) 
// byte (particle color) 
// byte (duration * 10) (will be randomized a bit) 

#define TE_FIREFIELD         123      // makes a field of fire. 
// coord (origin) 
// short (radius) (fire is made in a square around origin. -radius, -radius to radius, radius) 
// short (modelindex) 
// byte (count) 
// byte (flags) 
// byte (duration (in seconds) * 10) (will be randomized a bit) 
// 
// to keep network traffic low, this message has associated flags that fit into a byte: 
#define TEFIRE_FLAG_ALLFLOAT   1 // all sprites will drift upwards as they animate 
#define TEFIRE_FLAG_SOMEFLOAT   2 // some of the sprites will drift upwards. (50% chance) 
#define TEFIRE_FLAG_LOOP      4 // if set, sprite plays at 15 fps, otherwise plays at whatever rate stretches the animation over the sprite's duration. 
#define TEFIRE_FLAG_ALPHA      8 // if set, sprite is rendered alpha blended at 50% else, opaque 
#define TEFIRE_FLAG_PLANAR      16 // if set, all fire sprites have same initial Z instead of randomly filling a cube. 

#define TE_PLAYERATTACHMENT         124 // attaches a TENT to a player (this is a high-priority tent) 
// byte (entity index of player) 
// coord (vertical offset) ( attachment origin.z = player origin.z + vertical offset ) 
// short (model index) 
// short (life * 10 ); 

#define TE_KILLPLAYERATTACHMENTS   125 // will expire all TENTS attached to a player. 
// byte (entity index of player) 

#define TE_MULTIGUNSHOT            126 // much more compact shotgun message 
// This message is used to make a client approximate a 'spray' of gunfire. 
// Any weapon that fires more than one bullet per frame and fires in a bit of a spread is 
// a good candidate for MULTIGUNSHOT use. (shotguns) 
// 
// NOTE: This effect makes the client do traces for each bullet, these client traces ignore 
//       entities that have studio models.Traces are 4096 long. 
// 
// coord (origin) 
// coord (origin) 
// coord (origin) 
// coord (direction) 
// coord (direction) 
// coord (direction) 
// coord (x noise * 100) 
// coord (y noise * 100) 
// byte (count) 
// byte (bullethole decal texture index) 

#define TE_USERTRACER            127 // larger message than the standard tracer, but allows some customization. 
// coord (origin) 
// coord (origin) 
// coord (origin) 
// coord (velocity) 
// coord (velocity) 
// coord (velocity) 
// byte ( life * 10 ) 
// byte ( color ) this is an index into an array of color vectors in the engine. (0 - ) 
// byte ( length * 10 )