/*
====================
CG_MakeExplosion
====================
*/
localEntity_t *CG_MakeExplosion( vec3_t origin, vec3_t dir,
qhandle_t hModel, qhandle_t shader,
int offset, int duration, bool isSprite )
{
float ang;
localEntity_t *ex;
vec3_t tmpVec, newOrigin;
if ( duration <= 0 ) {
Com_Error( ERR_DROP, "CG_MakeExplosion: duration = %i", duration );
}
// skew the time a bit so they aren't all in sync
offset += rand() & 63;
ex = CG_AllocLocalEntity();
if ( isSprite )
{
ex->leType = LE_SPRITE_EXPLOSION;
// randomly rotate sprite orientation
ex->refEntity.rotation = rand() % 360;
VectorScale( dir, 16, tmpVec );
VectorAdd( tmpVec, origin, newOrigin );
}
else
{
ex->leType = LE_EXPLOSION;
VectorCopy( origin, newOrigin );
// set axis with random rotate
if ( !dir )
{
AxisClear( ex->refEntity.axis );
} else
{
ang = rand() % 360;
VectorCopy( dir, ex->refEntity.axis[0] );
RotateAroundDirection( ex->refEntity.axis, ang );
}
}
// calc the timings
ex->startTime = cg.time + offset;
ex->endTime = ex->startTime + duration;
// bias the time so all shader effects start correctly
ex->refEntity.shaderTime = ex->startTime / 1000.0f;
ex->refEntity.hModel = hModel;
ex->refEntity.customShader = shader;
// set origin
VectorCopy( newOrigin, ex->refEntity.origin );
VectorCopy( newOrigin, ex->refEntity.oldorigin );
ex->color[0] = ex->color[1] = ex->color[2] = 1;
return ex;
}
/*
====================
CG_MakeExplosion
====================
*/
localEntity_t *CG_MakeExplosion( bvec3_t origin, avec3_t dir,
qhandle_t hModel, qhandle_t shader,
int msec, qboolean isSprite ) {
afixed ang;
localEntity_t *ex;
int offset;
bvec3_t tmpVec, newOrigin;
if ( msec <= 0 ) {
CG_Error( "CG_MakeExplosion: msec = %i", msec );
}
// skew the time a bit so they aren't all in sync
offset = rand() & 63;
ex = CG_AllocLocalEntity();
if ( isSprite ) {
ex->leType = LE_SPRITE_EXPLOSION;
// randomly rotate sprite orientation
ex->refEntity.rotation =MAKE_AFIXED(rand() % 360);
FIXED_VEC3SCALE_R( dir, BFIXED(16,0), tmpVec );
VectorAdd( tmpVec, origin, newOrigin );
} else {
ex->leType = LE_EXPLOSION;
VectorCopy( origin, newOrigin );
// set axis with random rotate
if ( !dir ) {
AxisClear( ex->refEntity.axis );
} else {
ang = MAKE_AFIXED(rand() % 360);
VectorCopy( dir, ex->refEntity.axis[0] );
RotateAroundDirection( ex->refEntity.axis, ang );
}
}
ex->startTime = cg.time - offset;
ex->endTime = ex->startTime + msec;
// bias the time so all shader effects start correctly
ex->refEntity.shaderTime = MSECTIME_G(ex->startTime);
ex->refEntity.hModel = hModel;
ex->refEntity.customShader = shader;
// set origin
VectorCopy( newOrigin, ex->refEntity.origin );
VectorCopy( newOrigin, ex->refEntity.oldorigin );
ex->color[0] = ex->color[1] = ex->color[2] = GFIXED_1;
return ex;
}
qboolean FX_ParticleDraw(fxPrimitive_t *_self)
{
fxParticle_t *p = (fxParticle_t *)_self;
polyVert_t verts[4];
vec3_t axis[3];
int i;
float scale;
scale = p->size * 2.0f; // ef1 is 0.5f, but you have 2.0f
for(i = 0; i < 3; i++)
{
VectorCopy(fx_refDef->viewaxis[i], axis[i]);
}
if(p->rotation)
RotateAroundDirection(axis, p->rotation);
for(i = 0; i < 4; i++)
{
// Loop through each vert in the quad
VectorMA( p->origin, quad_template[i][0] * scale, axis[1], verts[i].xyz );
VectorMA( verts[i].xyz, quad_template[i][1] * scale, axis[2], verts[i].xyz );
//Setup the UVs
verts[i].st[0] = quad_st_template[i][0];
verts[i].st[1] = quad_st_template[i][1];
//Setup the vertex modulation
verts[i].modulate[0] = (byte)((p->RGB[0] * 255));
verts[i].modulate[1] = (byte)((p->RGB[1] * 255));
verts[i].modulate[2] = (byte)((p->RGB[2] * 255));
// TODO: Use alpha chan? (copy from Elite Forces SDK?)
// FIXME: NO EFFECT WTF
if((p->flags & (1<<FXFLAG_USEALPHA)))
{
verts[i].modulate[3] = (byte)(p->alpha * 255);
}
else
{
verts[i].modulate[3] = 255;
}
}
re.AddPolyToScene(p->shader, 4, verts, 1);
return qtrue;
}
void FXParticle::Draw( void )
{
polyVert_t verts[4];
vec3_t axis[3];
float scale;
int i;
if ( m_flags & FXF_NODRAW )
return;
scale = m_scale * 0.5f;
for ( i = 0; i < 3; i++ )
VectorCopy( cg.refdef.viewaxis[i], axis[i] );
//This is done to spare non-rolling particles the odd angle snapping <?>
if (m_roll)
RotateAroundDirection( axis, m_roll );
for ( i = 0; i < 4; i++ )
{
VectorMA( m_origin, sprite_template[i][0] * scale, axis[1], verts[i].xyz );
VectorMA( verts[i].xyz, sprite_template[i][1] * scale, axis[2], verts[i].xyz );
//Setup the UVs
verts[i].st[0] = sprite_texture_template[i][0];
verts[i].st[1] = sprite_texture_template[i][1];
//Setup the vertex modulation
verts[i].modulate[0] = (byte)(m_RGB[0] * 255);
verts[i].modulate[1] = (byte)(m_RGB[1] * 255);
verts[i].modulate[2] = (byte)(m_RGB[2] * 255);
if ( m_flags & FXF_USE_ALPHA_CHAN )
verts[i].modulate[3] = (byte)(m_alpha * 255);
else
verts[i].modulate[3] = 255;
}
//Add it into the renderer
cgi_R_AddPolyToScene( m_shader, 4, verts );
}
void FXQuad::Draw( void )
{
polyVert_t verts[NUM_QUADVERTS];
vec3_t vr, vu;
vec3_t axis[3];
float scale;
int i;
scale = m_scale * 0.5f;
MakeNormalVectors( m_normal, vr, vu );
VectorCopy( m_normal, axis[0] );
VectorCopy( vr, axis[1] );
VectorCopy( vu, axis[2] );
RotateAroundDirection( axis, m_roll );
//Construct the quad
for ( i = 0; i < NUM_QUADVERTS; i++ )
{
VectorMA( m_origin, quad_template[i][0] * ( scale ), axis[1], verts[i].xyz );
VectorMA( verts[i].xyz, quad_template[i][1] * ( scale ), axis[2], verts[i].xyz );
verts[i].modulate[0] = m_RGB[0] * 255;
verts[i].modulate[1] = m_RGB[1] * 255;
verts[i].modulate[2] = m_RGB[2] * 255;
if ( m_flags & FXF_USE_ALPHA_CHAN )
verts[i].modulate[3] = (byte)(m_alpha * 255);
else
verts[i].modulate[3] = 255;
verts[i].st[0] = quad_st_template[i][0];
verts[i].st[1] = quad_st_template[i][1];
}
cgi_R_AddPolyToScene( m_shader, NUM_QUADVERTS, verts );
}
/*
====================
CG_MakeExplosion
====================
*/
localEntity_t *CG_MakeExplosion(vec3_t origin, vec3_t dir,
qhandle_t hModel, qhandle_t shader,
int msec, qboolean isSprite)
{
float ang;
localEntity_t *ex;
int offset;
vec3_t tmpVec, newOrigin;
if (msec <= 0)
{
CG_Error("CG_MakeExplosion: msec = %i", msec);
}
// skew the time a bit so they aren't all in sync
offset = rand() & 63;
ex = CG_AllocLocalEntity();
if (isSprite)
{
ex->leType = LE_SPRITE_EXPLOSION;
// randomly rotate sprite orientation
ex->refEntity.rotation = rand() % 360;
VectorScale(dir, 16, tmpVec);
VectorAdd(tmpVec, origin, newOrigin);
}
else
{
ex->leType = LE_EXPLOSION;
VectorCopy(origin, newOrigin);
// set axis with random rotate
if (!dir)
{
AxisClear(ex->refEntity.axis);
}
else
{
ang = rand() % 360;
VectorCopy(dir, ex->refEntity.axis[0]);
RotateAroundDirection(ex->refEntity.axis, ang);
}
}
ex->startTime = cg.time - offset;
ex->endTime = ex->startTime + msec;
// bias the time so all shader effects start correctly
ex->refEntity.shaderTime = ex->startTime / 1000.0f;
ex->refEntity.hModel = hModel;
ex->refEntity.customShader = shader;
// set origin
VectorCopy(newOrigin, ex->refEntity.origin);
VectorCopy(newOrigin, ex->refEntity.oldorigin);
// Ridah, move away from the wall as the sprite expands
ex->pos.trType = TR_LINEAR;
ex->pos.trTime = cg.time;
VectorCopy(newOrigin, ex->pos.trBase);
VectorScale(dir, 48, ex->pos.trDelta);
// done.
ex->color[0] = ex->color[1] = ex->color[2] = 1.0;
return ex;
}
/*
====================
CG_MakeExplosion
====================
*/
localEntity_t *CG_MakeExplosion( vec3_t origin, vec3_t dir,
qhandle_t hModel, int numFrames, qhandle_t shader,
int msec, qboolean isSprite, float scale, int flags )
{
float ang = 0;
localEntity_t *ex;
int offset;
vec3_t tmpVec, newOrigin;
if ( msec <= 0 ) {
trap->Error( ERR_DROP, "CG_MakeExplosion: msec = %i", msec );
}
// skew the time a bit so they aren't all in sync
offset = rand() & 63;
ex = CG_AllocLocalEntity();
if ( isSprite ) {
ex->leType = LE_SPRITE_EXPLOSION;
ex->refEntity.rotation = rand() % 360;
ex->radius = scale;
VectorScale( dir, 16, tmpVec );
VectorAdd( tmpVec, origin, newOrigin );
} else {
ex->leType = LE_EXPLOSION;
VectorCopy( origin, newOrigin );
// set axis with random rotate when necessary
if ( !dir )
{
AxisClear( ex->refEntity.axis );
}
else
{
if ( !(flags & LEF_NO_RANDOM_ROTATE) )
ang = rand() % 360;
VectorCopy( dir, ex->refEntity.axis[0] );
RotateAroundDirection( ex->refEntity.axis, ang );
}
}
ex->startTime = cg.time - offset;
ex->endTime = ex->startTime + msec;
// bias the time so all shader effects start correctly
ex->refEntity.shaderTime = ex->startTime / 1000.0f;
ex->refEntity.hModel = hModel;
ex->refEntity.customShader = shader;
ex->lifeRate = (float)numFrames / msec;
ex->leFlags = flags;
//Scale the explosion
if (scale != 1) {
ex->refEntity.nonNormalizedAxes = qtrue;
VectorScale( ex->refEntity.axis[0], scale, ex->refEntity.axis[0] );
VectorScale( ex->refEntity.axis[1], scale, ex->refEntity.axis[1] );
VectorScale( ex->refEntity.axis[2], scale, ex->refEntity.axis[2] );
}
// set origin
VectorCopy ( newOrigin, ex->refEntity.origin);
VectorCopy ( newOrigin, ex->refEntity.oldorigin );
ex->color[0] = ex->color[1] = ex->color[2] = 1.0;
return ex;
}
/*
================
CG_AddMissile
================
*/
static void CG_AddMissile( localEntity_t *le ) {
refEntity_t *re;
const weaponInfo_t *weapon;
trace_t trace;
centity_t *other;
qboolean inWater;
// just existing for server entity deletion
if ( le->leFlags & LEF_FINISHED ) {
return;
}
// get weapon info
if ( le->ti.weapon > WP_NUM_WEAPONS ) {
le->ti.weapon = 0;
}
weapon = &cg_weapons[le->ti.weapon];
re = &le->refEntity;
// calculate position
BG_EvaluateTrajectory( &le->pos, cg.time, re->origin );
// special case for flames
if ( re->reType == RT_SPRITE ) {
int deltaTime;
// check for water
if ( trap_CM_PointContents( re->origin, 0 ) & CONTENTS_WATER ) {
// do a trace to get water surface normals
CG_Trace( &trace, re->oldorigin, NULL, NULL, re->origin, le->owner, MASK_WATER );
CG_FreeLocalEntity( le );
CG_MakeExplosion( trace.endpos, trace.plane.normal,
cgs.media.ringFlashModel, cgs.media.vaporShader,
500, qfalse, qtrue );
return;
}
// change radius over time
deltaTime = cg.time - le->startTime;
re->radius = deltaTime * deltaTime * ( random()*0.4f + 0.8f ) / 2000.0f + 9;
// do a trace sometimes
if ( le->ti.trailTime++ > 5 ) {
le->ti.trailTime = 0;
CG_Trace( &trace, re->oldorigin, NULL, NULL, re->origin, le->owner, MASK_SHOT );
VectorCopy( re->origin, re->oldorigin );
// hit something
if ( trace.fraction < 1.0 ) {
CG_MissileHitWall( le->ti.weapon, 0, trace.endpos, trace.plane.normal, IMPACTSOUND_DEFAULT );
CG_FreeLocalEntity( le );
return;
}
}
// add to refresh list
trap_R_AddRefEntityToScene( re );
return;
}
// add trails
if ( weapon->missileTrailFunc ) weapon->missileTrailFunc( &le->ti, cg.time );
// add dynamic light
if ( weapon->missileDlight ) {
trap_R_AddLightToScene( re->origin, weapon->missileDlight,
weapon->missileDlightColor[0], weapon->missileDlightColor[1], weapon->missileDlightColor[2] );
}
// flicker between two skins
re->skinNum = cg.clientFrame & 1;
// convert direction of travel into axis
if ( VectorNormalize2( le->pos.trDelta, re->axis[0] ) == 0 ) {
re->axis[0][2] = 1;
}
// spin as it moves
if ( le->pos.trType != TR_STATIONARY ) {
if ( le->pos.trType == TR_GRAVITY ) {
RotateAroundDirection( re->axis, cg.time / 4 );
} else if ( le->pos.trType == TR_WATER_GRAVITY ) {
RotateAroundDirection( re->axis, cg.time / 8 );
} else {
RotateAroundDirection( re->axis, cg.time );
}
} else {
RotateAroundDirection( re->axis, 0 );
}
// trace a line from previous position to new position
CG_Trace( &trace, re->oldorigin, NULL, NULL, re->origin, le->owner, MASK_SHOT );
VectorCopy( re->origin, re->oldorigin );
// draw BIG grenades
if ( weLi[le->ti.weapon].category == CT_EXPLOSIVE ) {
AxisScale( re->axis, GRENADE_SCALE, re->axis );
}
if ( trace.fraction != 1.0 ) {
// hit the sky or something like that
if ( trace.surfaceFlags & SURF_NOIMPACT ) {
le->leFlags |= LEF_FINISHED;
le->endTime = cg.time + 500;
return;
}
// impact
other = &cg_entities[trace.entityNum];
if ( le->bounceFactor > 0 && ( le->bounceFactor == BOUNCE_FACTOR_HALF || other->currentState.eType != ET_PLAYER ) ) {
// reflect the velocity on the trace plane
CG_ReflectVelocity( le, &trace );
if ( cg.predictedImpacts < MAX_PREDICTED_IMPACTS ) {
cg.predictedImpacts++;
cg.predictedImpactsDecTime = cg.time;
}
// do bounce sound
if ( rand() & 1 ) {
trap_S_StartSound( le->pos.trBase, 0, CHAN_AUTO, cgs.media.hgrenb1aSound );
} else {
trap_S_StartSound( le->pos.trBase, 0, CHAN_AUTO, cgs.media.hgrenb2aSound );
}
} else {
// explode missile
if ( cg.predictedImpacts < MAX_PREDICTED_IMPACTS ) {
cg.predictedImpacts++;
cg.predictedImpactsDecTime = cg.time;
}
if ( other->currentState.eType == ET_PLAYER ) {
CG_MissileHitPlayer( le->ti.weapon, 0, trace.endpos, trace.plane.normal, trace.entityNum );
} else if ( !(trace.surfaceFlags & SURF_NOIMPACT) ) {
CG_MissileHitWall( le->ti.weapon, 0, trace.endpos, trace.plane.normal,
(trace.surfaceFlags & SURF_METALSTEPS) ? IMPACTSOUND_METAL : IMPACTSOUND_DEFAULT );
}
// store the entity for deleting the server entity
le->leFlags |= LEF_FINISHED;
le->endTime = cg.time + 500;
return;
}
}
// check for medium change
if ( trap_CM_PointContents( re->origin, 0 ) & CONTENTS_WATER ) inWater = qtrue;
else inWater = qfalse;
if ( ( !inWater && le->pos.trType == TR_WATER_GRAVITY )
|| ( inWater && le->pos.trType == TR_GRAVITY ) ) {
// setup new tr
vec3_t newDelta;
BG_EvaluateTrajectoryDelta( &le->pos, cg.time, newDelta );
VectorCopy( re->origin, le->pos.trBase );
VectorCopy( newDelta, le->pos.trDelta );
le->pos.trTime = cg.time;
if ( inWater ) le->pos.trType = TR_WATER_GRAVITY;
else le->pos.trType = TR_GRAVITY;
}
// add to refresh list
trap_R_AddRefEntityToScene( re );
}
/*
====================
CG_MakeExplosion
====================
*/
localEntity_t *CG_MakeExplosion( vec3_t origin, vec3_t dir,
qhandle_t hModel, qhandle_t shader,
int msec, float scale, qboolean isSprite ) {
float ang;
localEntity_t *ex;
int offset;
vec3_t tmpVec, newOrigin;
if ( msec <= 0 ) {
CG_Error( "CG_MakeExplosion: msec = %i", msec );
}
// skew the time a bit so they aren't all in sync
offset = rand() & 63;
ex = CG_AllocLocalEntity();
if ( isSprite ) {
ex->leType = LE_SPRITE_EXPLOSION;
// randomly rotate sprite orientation
ex->refEntity.data.sprite.rotation = rand() % 360;
VectorScale( dir, 16, tmpVec );
VectorAdd( tmpVec, origin, newOrigin );
} else {
ex->leType = LE_EXPLOSION;
VectorCopy( origin, newOrigin );
// set axis with random rotate
if ( !dir ) {
AxisClear( ex->refEntity.axis );
} else {
ang = rand() % 360;
VectorCopy( dir, ex->refEntity.axis[0] );
RotateAroundDirection( ex->refEntity.axis, ang );
}
}
ex->startTime = cg.time - offset;
ex->endTime = ex->startTime + msec;
// bias the time so all shader effects start correctly
ex->refEntity.shaderTime = ex->startTime * 0.001f;
ex->refEntity.hModel = hModel;
ex->refEntity.customShader = shader;
// set origin
VectorCopy( newOrigin, ex->refEntity.origin );
VectorCopy( newOrigin, ex->refEntity.oldorigin );
//Scale the explosion
if (scale != 1) {
ex->refEntity.nonNormalizedAxes = qtrue;
VectorScale( ex->refEntity.axis[0], scale, ex->refEntity.axis[0] );
VectorScale( ex->refEntity.axis[1], scale, ex->refEntity.axis[1] );
VectorScale( ex->refEntity.axis[2], scale, ex->refEntity.axis[2] );
}
ex->color[0] = ex->color[1] = ex->color[2] = 1.0;
return ex;
}
