From 8cd89deb712af448be5f187b5d653d2070e8280f Mon Sep 17 00:00:00 2001
From: Pavel Bystritsky <p-bystritsky@users.noreply.github.com>
Date: Tue, 19 Oct 2021 19:47:35 +0300
Subject: [PATCH] Added information about technology required for improving
 resource to tile info. (#5509)

* Added information about technology required for improving resource to tile info.

* Tile improvement required tech info updated.
---
 core/src/com/unciv/logic/map/TileInfo.kt | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/core/src/com/unciv/logic/map/TileInfo.kt b/core/src/com/unciv/logic/map/TileInfo.kt
index 41391cc18f..3ba18ee778 100644
--- a/core/src/com/unciv/logic/map/TileInfo.kt
+++ b/core/src/com/unciv/logic/map/TileInfo.kt
@@ -630,6 +630,17 @@ open class TileInfo {
                     FormattedLine("{$resource} ($resourceAmount)", link="Resource/$resource")
                 else
                     FormattedLine(resource!!, link="Resource/$resource")
+        if (resource != null && viewingCiv != null && hasViewableResource(viewingCiv)) {
+            val tileImprovement = ruleset.tileImprovements[getTileResource().improvement]
+            if (tileImprovement?.techRequired != null
+                && !viewingCiv.tech.isResearched(tileImprovement.techRequired!!)) {
+                lineList += FormattedLine(
+                    "Requires [${tileImprovement.techRequired}]",
+                    link="Technology/${tileImprovement.techRequired}",
+                    color= "#FAA"
+                )
+            }
+        }
         if (naturalWonder != null)
             lineList += FormattedLine(naturalWonder!!, link="Terrain/$naturalWonder")
         if (roadStatus !== RoadStatus.None && !isCityCenter())