Add slider for bloom brightness

src/dusk/imgui/ImGuiMenuGame.cpp

@@ -78,6 +78,14 @@ namespace dusk {
                     ImGui::EndCombo();
                 }
 
+                {
+                    float mult = getSettings().game.bloomMultiplier.getValue();
+                    if (ImGui::SliderFloat("Bloom Brightness", &mult, 0.0f, 1.0f, "%.2f")) {
+                        getSettings().game.bloomMultiplier.setValue(mult);
+                        config::Save();
+                    }
+                }
+
                 config::ImGuiCheckbox("Enable Water Refraction", getSettings().game.enableWaterRefraction);
 
                 ImGui::EndMenu();

src/dusk/settings.cpp

@@ -42,6 +42,7 @@ UserSettings g_userSettings = {
 
         // Graphics
         .bloomMode {"game.bloomMode", BloomMode::Classic},
+        .bloomMultiplier {"game.bloomMultiplier", 1.0f},
         .enableWaterRefraction {"game.enableWaterRefraction", true},
         .enableFrameInterpolation = {"game.enableFrameInterpolation", false},
         .shadowResolutionMultiplier {"game.shadowResolutionMultiplier", 1},
@@ -114,6 +115,7 @@ void registerSettings() {
     Register(g_userSettings.game.enableMirrorMode);
     Register(g_userSettings.game.invertCameraXAxis);
     Register(g_userSettings.game.bloomMode);
+    Register(g_userSettings.game.bloomMultiplier);
     Register(g_userSettings.game.enableWaterRefraction);
     Register(g_userSettings.game.shadowResolutionMultiplier);
     Register(g_userSettings.game.enableFastIronBoots);