slow and steady

- add create's panorama as a background for config ui when opened from the main menu
- fix panoramas moving at a inconsistent speed

- add a optional speed limit to physical floats

src/main/java/com/simibubi/create/foundation/config/ui/ConfigScreen.java

@@ -8,6 +8,7 @@ import java.util.stream.Collectors;
 import javax.annotation.Nonnull;
 
 import org.apache.commons.lang3.StringUtils;
+import org.apache.logging.log4j.util.TriConsumer;
 import org.lwjgl.opengl.GL11;
 import org.lwjgl.opengl.GL20;
 import org.lwjgl.opengl.GL30;
@@ -15,12 +16,15 @@ import org.lwjgl.opengl.GL30;
 import com.jozufozu.flywheel.backend.Backend;
 import com.jozufozu.flywheel.backend.gl.versioned.GlCompat;
 import com.mojang.blaze3d.matrix.MatrixStack;
+import com.mojang.blaze3d.platform.GlStateManager;
+import com.mojang.blaze3d.systems.RenderSystem;
 import com.simibubi.create.AllBlocks;
 import com.simibubi.create.content.contraptions.relays.elementary.CogWheelBlock;
 import com.simibubi.create.foundation.gui.AbstractSimiScreen;
 import com.simibubi.create.foundation.gui.GuiGameElement;
 import com.simibubi.create.foundation.gui.StencilElement;
 import com.simibubi.create.foundation.gui.UIRenderHelper;
+import com.simibubi.create.foundation.gui.mainMenu.CreateMainMenuScreen;
 import com.simibubi.create.foundation.utility.animation.Force;
 import com.simibubi.create.foundation.utility.animation.PhysicalFloat;
 
@@ -47,7 +51,8 @@ public abstract class ConfigScreen extends AbstractSimiScreen {
 	 *
 	 * */
 
-	public static final PhysicalFloat cogSpin = PhysicalFloat.create().withDrag(0.3).addForce(new Force.Static(.2f));
+	public static final Map<String, TriConsumer<Screen, MatrixStack, Float>> backgrounds = new HashMap<>();
+	public static final PhysicalFloat cogSpin = PhysicalFloat.create().withLimit(10f).withDrag(0.3).addForce(new Force.Static(.2f));
 	public static final BlockState cogwheelState = AllBlocks.LARGE_COGWHEEL.getDefaultState().with(CogWheelBlock.AXIS, Direction.Axis.Y);
 	public static final Map<String, Object> changes = new HashMap<>();
 	public static String modID = null;
@@ -71,9 +76,11 @@ public abstract class ConfigScreen extends AbstractSimiScreen {
 	@Override
 	protected void renderWindowBackground(MatrixStack ms, int mouseX, int mouseY, float partialTicks) {
 		if (this.client != null && this.client.world != null) {
+			//in game
 			fill(ms, 0, 0, this.width, this.height, 0xb0_282c34);
 		} else {
-			fill(ms, 0, 0, this.width, this.height, 0xff_282c34);
+			//in menus
+			renderMenuBackground(ms, partialTicks);
 		}
 
 		new StencilElement() {
@@ -144,6 +151,30 @@ public abstract class ConfigScreen extends AbstractSimiScreen {
 		return s;
 	}
 
+	/**
+	 * By default ConfigScreens will render the Create Panorama as
+	 * their background when opened from the Main- or ModList-Menu.
+	 * If your addon wants to render something else, please add to the
+	 * backgrounds Map in this Class with your modID as the key.
+	 */
+	protected void renderMenuBackground(MatrixStack ms, float partialTicks) {
+		TriConsumer<Screen, MatrixStack, Float> customBackground = backgrounds.get(modID);
+		if (customBackground != null) {
+			customBackground.accept(this, ms, partialTicks);
+			return;
+		}
+
+		float elapsedPartials = client.getTickLength();
+		CreateMainMenuScreen.panorama.render(elapsedPartials, 1);
+
+		client.getTextureManager().bindTexture(CreateMainMenuScreen.PANORAMA_OVERLAY_TEXTURES);
+		RenderSystem.enableBlend();
+		RenderSystem.blendFunc(GlStateManager.SourceFactor.SRC_ALPHA, GlStateManager.DestFactor.ONE_MINUS_SRC_ALPHA);
+		drawTexture(ms, 0, 0, this.width, this.height, 0.0F, 0.0F, 16, 128, 16, 128);
+
+		fill(ms, 0, 0, this.width, this.height, 0x90_282c34);
+	}
+
 	protected void renderCog(MatrixStack ms, float partialTicks) {
 		ms.push();
 

src/main/java/com/simibubi/create/foundation/config/ui/entries/EnumEntry.java

@@ -30,13 +30,17 @@ public class EnumEntry extends ValueEntry<Enum<?>> {
 			height, width, Theme.p(Theme.Key.TEXT)));
 
 		DelegatedStencilElement l = AllIcons.I_CONFIG_PREV.asStencil();
-		cycleLeft = new BoxWidget(0, 0, cycleWidth + 8, 16).showingElement(l)
+		cycleLeft = new BoxWidget(0, 0, cycleWidth + 8, 16)
-			.withCallback(() -> cycleValue(-1));
+				.withCustomBackground(Theme.c(Theme.Key.PONDER_BACKGROUND_FLAT))
+				.showingElement(l)
+				.withCallback(() -> cycleValue(-1));
 		l.withElementRenderer(BoxWidget.gradientFactory.apply(cycleLeft));
 
 		DelegatedStencilElement r = AllIcons.I_CONFIG_NEXT.asStencil();
-		cycleRight = new BoxWidget(0, 0, cycleWidth + 8, 16).showingElement(r)
+		cycleRight = new BoxWidget(0, 0, cycleWidth + 8, 16)
-			.withCallback(() -> cycleValue(1));
+				.withCustomBackground(Theme.c(Theme.Key.PONDER_BACKGROUND_FLAT))
+				.showingElement(r)
+				.withCallback(() -> cycleValue(1));
 		r.at(cycleWidth - 8, 0);
 		r.withElementRenderer(BoxWidget.gradientFactory.apply(cycleRight));
 
@@ -89,10 +93,10 @@ public class EnumEntry extends ValueEntry<Enum<?>> {
 		cycleRight.render(ms, mouseX, mouseY, partialTicks);
 
 		new BoxElement()
-				.withBackground(0)
+				.withBackground(Theme.c(Theme.Key.PONDER_BACKGROUND_FLAT))
-				.flatBorder(0)
+				.flatBorder(0x01_000000)
-				.withBounds(10, 10)
+				.withBounds(48, 6)
-				.at(cycleLeft.x + cycleWidth + 4, cycleLeft.y + 3)
+				.at(cycleLeft.x + 22, cycleLeft.y + 5)
 				.render(ms);
 	}
 

src/main/java/com/simibubi/create/foundation/gui/mainMenu/CreateMainMenuScreen.java

@@ -37,12 +37,12 @@ public class CreateMainMenuScreen extends AbstractSimiScreen {
 	protected final Screen parent;
 	protected boolean returnOnClose;
 
-	private static final RenderSkyboxCube PANORAMA_RESOURCES =
+	public static final RenderSkyboxCube PANORAMA_RESOURCES =
 		new RenderSkyboxCube(Create.asResource("textures/gui/title/background/panorama"));
-	private static final ResourceLocation PANORAMA_OVERLAY_TEXTURES =
+	public static final ResourceLocation PANORAMA_OVERLAY_TEXTURES =
 		new ResourceLocation("textures/gui/title/background/panorama_overlay.png");
 	private RenderSkybox vanillaPanorama = new RenderSkybox(MainMenuScreen.PANORAMA_RESOURCES);
-	private RenderSkybox panorama = new RenderSkybox(PANORAMA_RESOURCES);
+	public static RenderSkybox panorama = new RenderSkybox(PANORAMA_RESOURCES);
 	private long firstRenderTime;
 	private Button gettingStarted;
 
@@ -65,11 +65,12 @@ public class CreateMainMenuScreen extends AbstractSimiScreen {
 	protected void renderWindow(MatrixStack ms, int mouseX, int mouseY, float partialTicks) {
 		float f = (float) (Util.milliTime() - this.firstRenderTime) / 1000.0F;
 		float alpha = MathHelper.clamp(f, 0.0F, 1.0F);
+		float elapsedPartials = client.getTickLength();
 
 		if (parent instanceof MainMenuScreen) {
 			if (alpha < 1)
-				vanillaPanorama.render(partialTicks, 1);
+				vanillaPanorama.render(elapsedPartials, 1);
-			panorama.render(partialTicks, alpha);
+			panorama.render(elapsedPartials, alpha);
 
 			client.getTextureManager()
 				.bindTexture(PANORAMA_OVERLAY_TEXTURES);

src/main/java/com/simibubi/create/foundation/utility/animation/PhysicalFloat.java

@@ -11,6 +11,7 @@ public class PhysicalFloat {
 
     float previousSpeed;
     float speed;
+    float limit = Float.NaN;
 
     float mass;
 
@@ -41,6 +42,11 @@ public class PhysicalFloat {
         return addForce(new Force.Zeroing((float) g));
     }
 
+    public PhysicalFloat withLimit(float limit) {
+    	this.limit = limit;
+    	return this;
+    }
+
     public void tick() {
         previousSpeed = speed;
         previousValue = value;
@@ -53,6 +59,10 @@ public class PhysicalFloat {
 
         forces.removeIf(Force::finished);
 
+        if (Float.isFinite(limit)) {
+        	speed = MathHelper.clamp(speed, -limit, limit);
+        }
+
         value += speed;
     }