add weather intensity (WIP)

src/graphics/render/WorldRenderer.cpp

@@ -136,8 +136,8 @@ void WorldRenderer::setupWorldShader(
     shader.uniform1f("u_gamma", settings.graphics.gamma.get());
     shader.uniform1f("u_fogFactor", fogFactor);
     shader.uniform1f("u_fogCurve", settings.graphics.fogCurve.get());
-    shader.uniform1f("u_weatherFogOpacity", 0.8f);
-    shader.uniform1f("u_weatherFogDencity", 2.0f);
+    shader.uniform1f("u_weatherFogOpacity", weather.fogOpacity * weather.intensity);
+    shader.uniform1f("u_weatherFogDencity", weather.fogDencity);
     shader.uniform1f("u_dayTime", level.getWorld()->getInfo().daytime);
     shader.uniform2f("u_lightDir", skybox->getLightDir());
     shader.uniform3f("u_cameraPos", camera.position);
@@ -183,6 +183,7 @@ void WorldRenderer::renderLevel(
     }
 
     entityShader.uniform1i("u_alphaClip", true);
+    entityShader.uniform1f("u_opacity", 1.0f);
     level.entities->render(
         assets,
         *modelBatch,
@@ -213,7 +214,10 @@ void WorldRenderer::renderLevel(
 
     setupWorldShader(entityShader, camera, settings, fogFactor);
     entityShader.uniform1i("u_alphaClip", false);
+    float zero = weather.fall.minOpacity;
+    entityShader.uniform1f("u_opacity", (weather.intensity * (1.0f - zero)) + zero);
     precipitation->render(camera, pause ? 0.0f : delta, weather);
+    weather.intensity = -glm::cos(timer * 0.2f) * 0.5f + 0.5f;
 
     skybox->unbind();
 }
@@ -344,7 +348,13 @@ void WorldRenderer::draw(
     const auto& settings = engine.getSettings();
     const auto& worldInfo = world->getInfo();
 
-    skybox->refresh(pctx, worldInfo.daytime, 1.0f + worldInfo.fog * 2.0f, 4);
+    skybox->refresh(
+        pctx,
+        worldInfo.daytime,
+        1.0f +
+            glm::max(worldInfo.fog, weather.clouds * glm::sqrt(weather.intensity) * 0.5f) * 2.0f,
+        4
+    );
 
     const auto& assets = *engine.getAssets();
     auto& linesShader = assets.require<Shader>("lines");