Change r_ambientScale to a new-style cvar

Author: VReaperV

src/engine/renderer/gl_shader.cpp

@@ -599,7 +599,7 @@ static std::string GenEngineConstants() {
 	// Engine constants
 	std::string str;
 
-	AddDefine( str, "r_AmbientScale", r_ambientScale->value );
+	AddDefine( str, "r_AmbientScale", r_ambientScale.Get() );
 	AddDefine( str, "r_SpecularScale", r_specularScale->value );
 	AddDefine( str, "r_zNear", r_znear->value );
 

src/engine/renderer/tr_bsp.cpp

@@ -4356,7 +4356,7 @@ void R_LoadEntities( lump_t *l, std::string &externalEntities )
 				sscanf( value, "%f %f %f", &tr.ambientLight[0], &tr.ambientLight[1],
 					&tr.ambientLight[2] );
 
-				VectorScale( tr.ambientLight, r_ambientScale->value, tr.ambientLight );
+				VectorScale( tr.ambientLight, r_ambientScale.Get(), tr.ambientLight );
 				tr.ambientLightSet = true;
 			}
 		}

src/engine/renderer/tr_init.cpp

@@ -218,7 +218,7 @@ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 
 	Cvar::Range<Cvar::Cvar<float>> r_forceAmbient( "r_forceAmbient", "Minimal light amount in lightGrid", Cvar::NONE,
 		0.125f, 0.0f, 0.3f );
-	cvar_t      *r_ambientScale;
+	Cvar::Cvar<float> r_ambientScale( "r_ambientScale", "Scale lightGrid produced by ambientColor keyword by this much", Cvar::CHEAT, 1.0 );
 	cvar_t      *r_lightScale;
 	cvar_t      *r_debugSort;
 	cvar_t      *r_printShaders;
@@ -1176,7 +1176,7 @@ ScreenshotCmd screenshotPNGRegistration("screenshotPNG", ssFormat_t::SSF_PNG, "p
 		r_gamma = Cvar_Get( "r_gamma", "1.0", CVAR_ARCHIVE );
 		r_facePlaneCull = Cvar_Get( "r_facePlaneCull", "1", 0 );
 
-		r_ambientScale = Cvar_Get( "r_ambientScale", "1.0", CVAR_CHEAT | CVAR_LATCH );
+		Cvar::Latch( r_ambientScale );
 		r_lightScale = Cvar_Get( "r_lightScale", "2", CVAR_CHEAT );
 
 		r_vboFaces = Cvar_Get( "r_vboFaces", "1", CVAR_CHEAT );

src/engine/renderer/tr_local.h

@@ -2893,7 +2893,7 @@ enum class shaderProfilerRenderSubGroupsMode {
 	extern cvar_t *r_noFog;
 
 	extern Cvar::Range<Cvar::Cvar<float>> r_forceAmbient;
-	extern cvar_t *r_ambientScale;
+	extern Cvar::Cvar<float> r_ambientScale;
 	extern cvar_t *r_lightScale;
 
 	extern Cvar::Cvar<bool> r_drawSky; // Controls whether sky should be drawn or cleared.