playertrails

TeamForbiddenLLC · Sep 13, 2023 · 7b3bab2 · learn-more · Sep 13, 2023 · 7b3bab2
1 parent 709bd81
commit 7b3bab2
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Showing 4 changed files with 45 additions and 0 deletions.
diff --git a/source/cgame/cg_effects.cpp b/source/cgame/cg_effects.cpp
@@ -550,6 +550,41 @@ static void CG_ClearParticles( void )
 	( p )->fog = true \
 	)
 
+extern cvar_t *cg_playerTrailsColor;
+
+void CG_AddLinearTrail( centity_t *cent, float lifetime )
+{
+	cparticle_t *p;
+	float r, g, b;
+
+	if( cg_numparticles + 1 > MAX_PARTICLES )
+		return;
+
+	if( cg_playerTrailsColor->string != NULL && sscanf( cg_playerTrailsColor->string, "%f %f %f", &r, &g, &b ) == 3 ) {
+		if( r < 0.0f )
+			r = 0.0f;
+		if( r > 1.0f )
+			r = 1.0f;
+		if( g < 0.0f )
+			g = 0.0f;
+		if( g > 1.0f )
+			g = 1.0f;
+		if( b < 0.0f )
+			b = 0.0f;
+		if( b > 1.0f )
+			b = 1.0f;
+	} else {
+		r = 0.0f;
+		g = 1.0f;
+		b = 0.0f;
+	}
+
+	p = &particles[cg_numparticles++];
+	CG_InitParticle( p, 1.0f, 1.0f, r, g, b, NULL );
+	VectorCopy( cent->ent.origin, p->org );
+	p->alphavel = -( 1.0f / lifetime );
+}	
+
 /*
 * CG_ParticleEffect
 * 

diff --git a/source/cgame/cg_local.h b/source/cgame/cg_local.h
@@ -924,6 +924,7 @@ extern cvar_t *cg_predictLaserBeam;
 extern cvar_t *cg_voiceChats;
 extern cvar_t *cg_shadows;
 extern cvar_t *cg_showSelfShadow;
+extern cvar_t *cg_showPlayerTrails;
 extern cvar_t *cg_laserBeamSubdivisions;
 extern cvar_t *cg_projectileAntilagOffset;
 extern cvar_t *cg_raceGhosts;
@@ -1153,6 +1154,7 @@ void CG_ParticleEffect2( const vec3_t org, const vec3_t dir, float r, float g, f
 void CG_ParticleExplosionEffect( const vec3_t org, const vec3_t dir, float r, float g, float b, int count );
 void CG_BlasterTrail( const vec3_t start, const vec3_t end );
 void CG_FlyEffect( centity_t *ent, const vec3_t origin );
+void CG_AddLinearTrail( centity_t *cent, float lifetime );
 void CG_ElectroIonsTrail( const vec3_t start, const vec3_t end, const vec4_t color );
 void CG_ElectroIonsTrail2( const vec3_t start, const vec3_t end, const vec4_t color );
 void CG_ElectroWeakTrail( const vec3_t start, const vec3_t end, const vec4_t color );

diff --git a/source/cgame/cg_main.cpp b/source/cgame/cg_main.cpp
@@ -84,6 +84,8 @@ cvar_t *cg_predictLaserBeam;
 cvar_t *cg_voiceChats;
 cvar_t *cg_shadows;
 cvar_t *cg_showSelfShadow;
+cvar_t *cg_showPlayerTrails;
+cvar_t *cg_playerTrailsColor;
 cvar_t *cg_laserBeamSubdivisions;
 cvar_t *cg_projectileAntilagOffset;
 cvar_t *cg_raceGhosts;
@@ -822,6 +824,9 @@ static void CG_RegisterVariables( void )
 	cg_voiceChats =		trap_Cvar_Get( "cg_voiceChats", "1", CVAR_ARCHIVE );
 	cg_shadows =		trap_Cvar_Get( "cg_shadows", "1", CVAR_ARCHIVE );
 
+	cg_showPlayerTrails = trap_Cvar_Get( "cg_showPlayerTrails", "0", CVAR_ARCHIVE );
+	cg_playerTrailsColor = trap_Cvar_Get( "cg_playerTrailsColor", "0.0 1.0 0.0", CVAR_ARCHIVE );
+
 	cg_laserBeamSubdivisions = trap_Cvar_Get( "cg_laserBeamSubdivisions", "10", CVAR_ARCHIVE );
 	cg_projectileAntilagOffset = trap_Cvar_Get( "cg_projectileAntilagOffset", "1.0", CVAR_ARCHIVE );
 

diff --git a/source/cgame/cg_pmodels.cpp b/source/cgame/cg_pmodels.cpp
@@ -1315,6 +1315,9 @@ void CG_AddPModel( centity_t *cent )
 
 	CG_AddHeadIcon( cent );
 
+	if( cg_showPlayerTrails->value )
+	CG_AddLinearTrail( cent, cg_showPlayerTrails->value );
+
 	// add teleporter sfx if needed
 	CG_PModel_SpawnTeleportEffect( cent );