volumetric: Adds option in the menu

src/configuration.cpp

@@ -618,6 +618,11 @@ bool loadConfig()
 		war_setPointLightPerPixelLighting(value.value_or(false));
 	}
 
+	{
+		auto value = iniGetBoolOpt("volumetricLighting");
+		war_setVolumetricLighting(value.value_or(false));
+	}
+
 	ActivityManager::instance().endLoadingSettings();
 	return true;
 }
@@ -779,6 +784,7 @@ bool saveConfig()
 	iniSetInteger("shadowFilterSize", (int)war_getShadowFilterSize());
 	iniSetInteger("shadowMapResolution", (int)war_getShadowMapResolution());
 	iniSetBool("pointLightsPerpixel", war_getPointLightPerPixelLighting());
+	iniSetBool("volumetricLighting", war_getVolumetricLighting());
 	iniSetInteger("configVersion", CURRCONFVERSION);
 
 	// write out ini file changes

src/frontend.cpp

@@ -858,6 +858,11 @@ char const* graphicsOptionsLightingString()
 	return war_getPointLightPerPixelLighting() ? _("Per Pixel") : _("Lightmap");
 }
 
+char const* graphicsOptionsVolumetricLightingString()
+{
+	return war_getVolumetricLighting() ? _("On") : _("Off");
+}
+
 char const *graphicsOptionsFogString()
 {
 	return pie_GetFogEnabled() ? _("On") : _("Off");
@@ -1203,6 +1208,12 @@ void startGraphicsOptionsMenu()
 	grid->place({ 1, 1, false }, row, addMargin(makeTextButton(FRONTEND_LIGHTS_R, graphicsOptionsLightingString(), WBUT_SECONDARY)));
 	row.start++;
 
+	///////////
+	// Volumetric lighting
+	grid->place({ 0 }, row, addMargin(makeTextButton(FRONTEND_VOLUMETRIC_LIGHTING, _("Volumetric Lighting"), WBUT_SECONDARY)));
+	grid->place({ 1, 1, false }, row, addMargin(makeTextButton(FRONTEND_VOLUMETRIC_LIGHTING_R, graphicsOptionsVolumetricLightingString(), WBUT_SECONDARY)));
+	row.start++;
+
 	// LOD Distance
 	// TRANSLATORS: "LOD" = "Level of Detail" - this setting is used to describe how level of detail (in textures) is preserved as distance increases (examples: "Default", "High", etc)
 	std::string lodDistanceString = _("LOD Distance");
@@ -1295,6 +1306,13 @@ bool runGraphicsOptionsMenu()
 		widgSetString(psWScreen, FRONTEND_LIGHTS_R, graphicsOptionsLightingString());
 		break;
 	}
+	case FRONTEND_VOLUMETRIC_LIGHTING:
+	case FRONTEND_VOLUMETRIC_LIGHTING_R:
+	{
+		war_setVolumetricLighting(!war_getVolumetricLighting());
+		widgSetString(psWScreen, FRONTEND_VOLUMETRIC_LIGHTING_R, graphicsOptionsVolumetricLightingString());
+		break;
+	}
 	case FRONTEND_FOG:
 	case FRONTEND_FOG_R:
 		if (pie_GetFogEnabled())

src/frontend.h

@@ -292,6 +292,8 @@ enum
 	FRONTEND_SHADOW_FILTER_SIZE_DROPDOWN,
 	FRONTEND_LIGHTS,
 	FRONTEND_LIGHTS_R,
+	FRONTEND_VOLUMETRIC_LIGHTING,
+	FRONTEND_VOLUMETRIC_LIGHTING_R,
 	FRONTEND_FOG,
 	FRONTEND_FOG_R,
 	FRONTEND_RADAR,

src/warzoneconfig.cpp

@@ -90,6 +90,7 @@ struct WARZONE_GLOBALS
 	uint32_t shadowFilterSize = 5;
 	uint32_t shadowMapResolution = 0; // this defaults to 0, which causes the gfx backend to figure out a recommended default based on the system properties
 	bool pointLightLighting = false;
+	bool volumetricLighting = false;
 	// groups UI
 	bool groupsMenuEnabled = true;
 
@@ -656,11 +657,21 @@ bool war_getPointLightPerPixelLighting()
 	return warGlobs.pointLightLighting;
 }
 
+bool war_getVolumetricLighting()
+{
+	return warGlobs.volumetricLighting;
+}
+
 void war_setPointLightPerPixelLighting(bool perPixelEnabled)
 {
 	warGlobs.pointLightLighting = perPixelEnabled;
 }
 
+void war_setVolumetricLighting(bool volumetricEnabled)
+{
+	warGlobs.volumetricLighting = volumetricEnabled;
+}
+
 bool war_getGroupsMenuEnabled()
 {
 	return warGlobs.groupsMenuEnabled;

src/warzoneconfig.h

@@ -165,6 +165,9 @@ void war_setShadowMapResolution(uint32_t resolution);
 bool war_getPointLightPerPixelLighting();
 void war_setPointLightPerPixelLighting(bool perPixelEnabled);
 
+bool war_getVolumetricLighting();
+void war_setVolumetricLighting(bool enabled);
+
 bool war_getGroupsMenuEnabled();
 void war_setGroupsMenuEnabled(bool enabled);