From b1a8c042e641210b8f46e55b1cd51fec2b7f74da Mon Sep 17 00:00:00 2001
From: StempunkDev <leonard.krusch@gmx.de>
Date: Mon, 12 Jan 2026 21:52:01 +0100
Subject: [PATCH] feat: migrate ice data to new data model and update version
 to 1.110.0

---
 public/modules/dynamic/auto-update.js | 65 +++++++++++++++++++++++++++
 public/modules/renderers/draw-ice.js  |  2 +
 src/index.html                        | 16 +++----
 3 files changed, 75 insertions(+), 8 deletions(-)

diff --git a/public/modules/dynamic/auto-update.js b/public/modules/dynamic/auto-update.js
index a3190e3b..393cd746 100644
--- a/public/modules/dynamic/auto-update.js
+++ b/public/modules/dynamic/auto-update.js
@@ -1036,4 +1036,69 @@ export function resolveVersionConflicts(mapVersion) {
     delete options.showMFCGMap;
     delete options.villageMaxPopulation;
   }
+
+  if (isOlderThan("1.110.0")) {
+    // v1.110.0 moved ice data from SVG to data model
+    // Migrate old ice SVG elements to new pack.ice structure
+    if (!pack.ice) pack.ice = { glaciers: [], icebergs: [] };
+
+    const iceLayer = document.getElementById("ice");
+    if (iceLayer) {
+      // Migrate glaciers (type="iceShield")
+      iceLayer.querySelectorAll("polygon[type='iceShield']").forEach(polygon => {
+        const pointsStr = polygon.getAttribute("points");
+        if (!pointsStr) return;
+
+        // Parse points string "x1,y1 x2,y2 x3,y3 ..." into array [[x1,y1], [x2,y2], ...]
+        const points = pointsStr
+          .split(" ")
+          .map(pair => pair.split(",").map(Number));
+
+        const transform = polygon.getAttribute("transform");
+        const offset = transform ? parseTransform(transform) : null;
+        pack.ice.glaciers.push({
+          points,
+          offset
+        });
+      });
+
+      // Migrate icebergs
+      iceLayer.querySelectorAll("polygon:not([type])").forEach(polygon => {
+        const pointsStr = polygon.getAttribute("points");
+        const cellId = +polygon.getAttribute("cell");
+        const size = +polygon.getAttribute("size");
+
+        if (!pointsStr || !cellId || !size) return;
+
+        // Parse points string "x1,y1 x2,y2 x3,y3 ..." into array [[x1,y1], [x2,y2], ...]
+        const points = pointsStr
+          .split(" ")
+          .map(pair => pair.split(",").map(Number));
+
+        const transform = polygon.getAttribute("transform");
+        const offset = transform ? parseTransform(transform) : null;
+        pack.ice.icebergs.push({
+          cellId,
+          size,
+          points,
+          offset
+        });
+      });
+
+      // Clear old SVG elements - use d3 selection
+      d3.select(iceLayer).selectAll("*").remove();
+    } else {
+      // If ice layer element doesn't exist, create it
+      ice = viewbox.insert("g", "#coastline").attr("id", "ice");
+      ice
+        .attr("opacity", null)
+        .attr("fill", "#e8f0f6")
+        .attr("stroke", "#e8f0f6")
+        .attr("stroke-width", 1)
+        .attr("filter", "url(#dropShadow05)");
+    }
+
+    // Re-render ice from migrated data
+    if (layerIsOn("toggleIce")) drawIce();
+  }
 }
diff --git a/public/modules/renderers/draw-ice.js b/public/modules/renderers/draw-ice.js
index 37075275..9e93efe7 100644
--- a/public/modules/renderers/draw-ice.js
+++ b/public/modules/renderers/draw-ice.js
@@ -14,6 +14,7 @@ function drawIce() {
       .attr("points", glacier.points)
       .attr("type", "iceShield")
       .attr("data-index", index)
+      .attr("transform", glacier.offset ? `translate(${glacier.offset[0]},${glacier.offset[1]})` : null)
       .attr("class", "glacier");
   });
 
@@ -25,6 +26,7 @@ function drawIce() {
       .attr("cell", iceberg.cellId)
       .attr("size", iceberg.size)
       .attr("data-index", index)
+      .attr("transform", iceberg.offset ? `translate(${iceberg.offset[0]},${iceberg.offset[1]})` : null)
       .attr("class", "iceberg");
   });
 
diff --git a/src/index.html b/src/index.html
index 8a5c4e6b..7b6a2076 100644
--- a/src/index.html
+++ b/src/index.html
@@ -8500,7 +8500,7 @@
     <script src="modules/river-generator.js?v=1.106.7"></script>
     <script src="modules/lakes.js?v=1.99.00"></script>
     <script src="modules/biomes.js?v=1.99.00"></script>
-    <script src="modules/ice.js?v=1.109.6"></script>
+    <script src="modules/ice.js?v=1.110.0"></script>
     <script src="modules/names-generator.js?v=1.106.0"></script>
     <script src="modules/cultures-generator.js?v=1.106.0"></script>
     <script src="modules/burgs-generator.js?v=1.109.5"></script>
@@ -8518,16 +8518,16 @@
     <script src="libs/lineclip.min.js?v1.105.0"></script>
     <script src="libs/simplify.js?v1.105.6"></script>
     <script src="modules/fonts.js?v=1.99.03"></script>
-    <script src="modules/ui/layers.js?v=1.109.6"></script>
+    <script src="modules/ui/layers.js?v=1.110.0"></script>
     <script src="modules/ui/measurers.js?v=1.99.00"></script>
     <script src="modules/ui/style-presets.js?v=1.100.00"></script>
     <script src="modules/ui/general.js?v=1.100.00"></script>
     <script src="modules/ui/options.js?v=1.106.2"></script>
-    <script src="main.js?v=1.109.6"></script>
+    <script src="main.js?v=1.110.0"></script>
 
     <script defer src="modules/ui/style.js?v=1.108.4"></script>
     <script defer src="modules/ui/editors.js?v=1.108.5"></script>
-    <script defer src="modules/ui/tools.js?v=1.109.6"></script>
+    <script defer src="modules/ui/tools.js?v=1.110.0"></script>
     <script defer src="modules/ui/world-configurator.js?v=1.105.4"></script>
     <script defer src="modules/ui/heightmap-editor.js?v=1.105.2"></script>
     <script defer src="modules/ui/provinces-editor.js?v=1.108.1"></script>
@@ -8538,7 +8538,7 @@
     <script defer src="modules/ui/routes-editor.js?v=1.104.3"></script>
     <script defer src="modules/ui/routes-creator.js?v=1.104.3"></script>
     <script defer src="modules/ui/route-group-editor.js?v=1.103.8"></script>
-    <script defer src="modules/ui/ice-editor.js?v=1.109.6"></script>
+    <script defer src="modules/ui/ice-editor.js?v=1.110.0"></script>
     <script defer src="modules/ui/lakes-editor.js?v=1.106.0"></script>
     <script defer src="modules/ui/coastline-editor.js?v=1.99.00"></script>
     <script defer src="modules/ui/labels-editor.js?v=1.106.0"></script>
@@ -8569,8 +8569,8 @@
     <script defer src="modules/coa-renderer.js?v=1.99.00"></script>
     <script defer src="libs/rgbquant.min.js"></script>
     <script defer src="libs/jquery.ui.touch-punch.min.js"></script>
-    <script defer src="modules/io/save.js?v=1.109.6"></script>
-    <script defer src="modules/io/load.js?v=1.109.6"></script>
+    <script defer src="modules/io/save.js?v=1.110.0"></script>
+    <script defer src="modules/io/load.js?v=1.110.0"></script>
     <script defer src="modules/io/cloud.js?v=1.106.0"></script>
     <script defer src="modules/io/export.js?v=1.108.13"></script>
 
@@ -8586,6 +8586,6 @@
     <script defer src="modules/renderers/draw-burg-labels.js?v=1.109.4"></script>
     <script defer src="modules/renderers/draw-burg-icons.js?v=1.109.4"></script>
     <script defer src="modules/renderers/draw-relief-icons.js?v=1.108.4"></script>
-    <script defer src="modules/renderers/draw-ice.js?v=1.109.6"></script>
+    <script defer src="modules/renderers/draw-ice.js?v=1.110.0"></script>
   </body>
 </html>