Entry point

src/main/java/com/simibubi/create/events/ClientEvents.java

@@ -1,5 +1,8 @@
 package com.simibubi.create.events;
 
+import java.util.ArrayList;
+import java.util.List;
+
 import com.mojang.blaze3d.matrix.MatrixStack;
 import com.simibubi.create.AllFluids;
 import com.simibubi.create.Create;
@@ -22,6 +25,7 @@ import com.simibubi.create.content.logistics.block.mechanicalArm.ArmInteractionP
 import com.simibubi.create.foundation.config.AllConfigs;
 import com.simibubi.create.foundation.gui.ScreenOpener;
 import com.simibubi.create.foundation.item.TooltipHelper;
+import com.simibubi.create.foundation.metadoc.MetaDocHandler;
 import com.simibubi.create.foundation.networking.AllPackets;
 import com.simibubi.create.foundation.networking.LeftClickPacket;
 import com.simibubi.create.foundation.renderState.SuperRenderTypeBuffer;
@@ -32,6 +36,7 @@ import com.simibubi.create.foundation.tileEntity.behaviour.scrollvalue.ScrollVal
 import com.simibubi.create.foundation.utility.AnimationTickHolder;
 import com.simibubi.create.foundation.utility.ServerSpeedProvider;
 import com.simibubi.create.foundation.utility.placement.PlacementHelpers;
+
 import net.minecraft.client.Minecraft;
 import net.minecraft.client.renderer.ActiveRenderInfo;
 import net.minecraft.client.renderer.IRenderTypeBuffer;
@@ -46,6 +51,7 @@ import net.minecraftforge.api.distmarker.Dist;
 import net.minecraftforge.client.event.EntityViewRenderEvent;
 import net.minecraftforge.client.event.RenderGameOverlayEvent;
 import net.minecraftforge.client.event.RenderGameOverlayEvent.ElementType;
+import net.minecraftforge.client.event.RenderTooltipEvent;
 import net.minecraftforge.client.event.RenderWorldLastEvent;
 import net.minecraftforge.event.TickEvent.ClientTickEvent;
 import net.minecraftforge.event.TickEvent.Phase;
@@ -56,9 +62,6 @@ import net.minecraftforge.event.world.WorldEvent;
 import net.minecraftforge.eventbus.api.SubscribeEvent;
 import net.minecraftforge.fml.common.Mod.EventBusSubscriber;
 
-import java.util.ArrayList;
-import java.util.List;
-
 @EventBusSubscriber(value = Dist.CLIENT)
 public class ClientEvents {
 
@@ -84,6 +87,7 @@ public class ClientEvents {
 		CapabilityMinecartController.tick(world);
 		CouplingPhysics.tick(world);
 
+		MetaDocHandler.tick();
 		ScreenOpener.tick();
 		ServerSpeedProvider.clientTick();
 		BeltConnectorHandler.tick();
@@ -142,6 +146,11 @@ public class ClientEvents {
 		CreateClient.schematicHandler.renderOverlay(ms, buffer, light, overlay);
 	}
 
+	@SubscribeEvent
+	public static void getItemTooltipColor(RenderTooltipEvent.Color event) {
+		MetaDocHandler.handleTooltipColor(event);
+	}
+	
 	@SubscribeEvent
 	public static void addToItemTooltip(ItemTooltipEvent event) {
 		if (!AllConfigs.CLIENT.tooltips.get())
@@ -163,7 +172,8 @@ public class ClientEvents {
 					.addInformation(toolTip);
 			itemTooltip.addAll(0, toolTip);
 		}
-
+		
+		MetaDocHandler.addToTooltip(event.getToolTip(), stack);
 	}
 
 	@SubscribeEvent

src/main/java/com/simibubi/create/foundation/metadoc/MetaDocHandler.java

@@ -0,0 +1,114 @@
+package com.simibubi.create.foundation.metadoc;
+
+import java.util.List;
+
+import com.google.common.base.Strings;
+import com.simibubi.create.foundation.gui.ScreenOpener;
+import com.simibubi.create.foundation.utility.ColorHelper;
+import com.simibubi.create.foundation.utility.LerpedFloat;
+
+import net.minecraft.client.Minecraft;
+import net.minecraft.client.gui.screen.Screen;
+import net.minecraft.client.gui.screen.inventory.ContainerScreen;
+import net.minecraft.client.util.InputMappings;
+import net.minecraft.inventory.container.Slot;
+import net.minecraft.item.ItemStack;
+import net.minecraft.util.text.ITextComponent;
+import net.minecraft.util.text.StringTextComponent;
+import net.minecraft.util.text.TextFormatting;
+import net.minecraftforge.client.event.RenderTooltipEvent;
+
+public class MetaDocHandler {
+
+	static LerpedFloat holdWProgress = LerpedFloat.linear()
+		.startWithValue(0);
+	static ItemStack lastHoveredStack = null;
+
+	public static void tick() {
+		Minecraft instance = Minecraft.getInstance();
+		Screen currentScreen = instance.currentScreen;
+		if (!(currentScreen instanceof ContainerScreen))
+			return;
+		ContainerScreen<?> cs = (ContainerScreen<?>) currentScreen;
+
+		ItemStack prevStack = lastHoveredStack;
+		lastHoveredStack = null;
+		Slot slotUnderMouse = cs.getSlotUnderMouse();
+		if (slotUnderMouse == null || !slotUnderMouse.getHasStack())
+			return;
+
+		ItemStack stack = slotUnderMouse.getStack();
+		if (prevStack != stack)
+			holdWProgress.startWithValue(0);
+
+		float value = holdWProgress.getValue();
+		if (InputMappings.isKeyDown(instance.getWindow()
+			.getHandle(),
+			instance.gameSettings.keyBindForward.getKey()
+				.getKeyCode())) {
+//		if (AllKeys.altDown()) {
+			if (value >= 1)
+				ScreenOpener.open(new MetaDocScreen());
+			holdWProgress.setValue(Math.min(1, value + Math.max(.25f, value) * .25f));
+		} else {
+			holdWProgress.setValue(Math.max(0, value - .05f));
+		}
+
+		lastHoveredStack = stack;
+	}
+
+	public static void addToTooltip(List<ITextComponent> toolTip, ItemStack stack) {
+		if (lastHoveredStack != stack)
+			return;
+		float renderPartialTicks = Minecraft.getInstance()
+			.getRenderPartialTicks();
+		toolTip.add(makeProgressBar(Math.min(1, holdWProgress.getValue(renderPartialTicks) * 8 / 7f)));
+	}
+
+	public static void handleTooltipColor(RenderTooltipEvent.Color event) {
+		if (lastHoveredStack != event.getStack())
+			return;
+		if (holdWProgress.getValue() == 0)
+			return;
+		float renderPartialTicks = Minecraft.getInstance()
+			.getRenderPartialTicks();
+		int start = event.getOriginalBorderStart();
+		int end = event.getOriginalBorderEnd();
+		float progress = Math.min(1, holdWProgress.getValue(renderPartialTicks) * 8 / 7f);
+
+		start = getSmoothColorForProgress(progress);
+		end = getSmoothColorForProgress((progress));
+
+		event.setBorderStart(start | 0xa0000000);
+		event.setBorderEnd(end | 0xa0000000);
+	}
+
+	private static int getSmoothColorForProgress(float progress) {
+		if (progress < .5f)
+			return ColorHelper.mixColors(0x5000FF, 5592575, progress * 2);
+//		if (progress < .75f)
+//			return ColorHelper.mixColors(16733695, 5636095, (progress - .5f) * 4);
+		return ColorHelper.mixColors(5592575, 5636095, (progress - .5f) * 2);
+	}
+
+	private static ITextComponent makeProgressBar(float progress) {
+		String bar = "";
+		int filledLength = (int) (12 * progress);
+		bar += Strings.repeat("\u2588", filledLength);
+		if (progress < 1)
+			bar += Strings.repeat("\u2592", 12 - filledLength);
+
+		TextFormatting color = TextFormatting.GRAY;
+		if (progress > 0)
+			color = TextFormatting.BLUE;
+		if (progress == 1f)
+			color = TextFormatting.AQUA;
+
+		ITextComponent leftBr = new StringTextComponent("").applyTextStyle(TextFormatting.WHITE);
+		ITextComponent rightBr = new StringTextComponent("").applyTextStyle(TextFormatting.WHITE);
+		ITextComponent barComponent = new StringTextComponent(bar).applyTextStyle(color);
+		return leftBr.appendSibling(barComponent)
+			.appendSibling(rightBr);
+	}
+
+}

src/main/java/com/simibubi/create/foundation/metadoc/MetaDocScreen.java

@@ -0,0 +1,56 @@
+package com.simibubi.create.foundation.metadoc;
+
+import com.mojang.blaze3d.systems.RenderSystem;
+import com.simibubi.create.foundation.gui.AbstractSimiScreen;
+import com.simibubi.create.foundation.gui.GuiGameElement;
+import com.simibubi.create.foundation.utility.AnimationTickHolder;
+
+import net.minecraft.block.Blocks;
+import net.minecraftforge.fml.client.gui.GuiUtils;
+
+public class MetaDocScreen extends AbstractSimiScreen {
+
+	@Override
+	protected void renderWindow(int mouseX, int mouseY, float partialTicks) {
+
+		int tooltipX = 50;
+		int tooltipY = 50;
+		int tooltipTextWidth = width - 100;
+		int backgroundColor = GuiUtils.DEFAULT_BACKGROUND_COLOR;
+		int borderColorStart = GuiUtils.DEFAULT_BORDER_COLOR_START;
+		int borderColorEnd = GuiUtils.DEFAULT_BORDER_COLOR_END;
+		int zLevel = 100;
+		int tooltipHeight = height - 100;
+
+		drawString(font, "MetaDoc Experimental 0", tooltipX, tooltipY - 16, 0xffffff);
+
+		GuiUtils.drawGradientRect(zLevel, tooltipX - 3, tooltipY - 4, tooltipX + tooltipTextWidth + 3, tooltipY - 3,
+			backgroundColor, backgroundColor);
+		GuiUtils.drawGradientRect(zLevel, tooltipX - 3, tooltipY + tooltipHeight + 3, tooltipX + tooltipTextWidth + 3,
+			tooltipY + tooltipHeight + 4, backgroundColor, backgroundColor);
+		GuiUtils.drawGradientRect(zLevel, tooltipX - 3, tooltipY - 3, tooltipX + tooltipTextWidth + 3,
+			tooltipY + tooltipHeight + 3, backgroundColor, backgroundColor);
+		GuiUtils.drawGradientRect(zLevel, tooltipX - 4, tooltipY - 3, tooltipX - 3, tooltipY + tooltipHeight + 3,
+			backgroundColor, backgroundColor);
+		GuiUtils.drawGradientRect(zLevel, tooltipX + tooltipTextWidth + 3, tooltipY - 3,
+			tooltipX + tooltipTextWidth + 4, tooltipY + tooltipHeight + 3, backgroundColor, backgroundColor);
+		GuiUtils.drawGradientRect(zLevel, tooltipX - 3, tooltipY - 3 + 1, tooltipX - 3 + 1,
+			tooltipY + tooltipHeight + 3 - 1, borderColorStart, borderColorEnd);
+		GuiUtils.drawGradientRect(zLevel, tooltipX + tooltipTextWidth + 2, tooltipY - 3 + 1,
+			tooltipX + tooltipTextWidth + 3, tooltipY + tooltipHeight + 3 - 1, borderColorStart, borderColorEnd);
+		GuiUtils.drawGradientRect(zLevel, tooltipX - 3, tooltipY - 3, tooltipX + tooltipTextWidth + 3, tooltipY - 3 + 1,
+			borderColorStart, borderColorStart);
+		GuiUtils.drawGradientRect(zLevel, tooltipX - 3, tooltipY + tooltipHeight + 2, tooltipX + tooltipTextWidth + 3,
+			tooltipY + tooltipHeight + 3, borderColorEnd, borderColorEnd);
+
+		RenderSystem.pushMatrix();
+		RenderSystem.translated(width/2, height/2, 200);
+		GuiGameElement.of(Blocks.DIAMOND_BLOCK.getDefaultState())
+			.rotate(22.5, AnimationTickHolder.getRenderTick() % 360f, 0)
+			.scale(50)
+			.render();
+		RenderSystem.popMatrix();
+
+	}
+
+}