From f9bb3367690a7704f0a7684b1ba5a0b8cd3b6441 Mon Sep 17 00:00:00 2001
From: oc <ckcz123@126.com>
Date: Tue, 5 Jun 2018 23:10:50 +0800
Subject: [PATCH] Mouse wheel to changefloor

---
 _server/editor.js | 37 +++++++++++++++++++++++++++++++++----
 docs/start.md     |  1 +
 2 files changed, 34 insertions(+), 4 deletions(-)

diff --git a/_server/editor.js b/_server/editor.js
index d2a6b517..549d5c55 100644
--- a/_server/editor.js
+++ b/_server/editor.js
@@ -514,6 +514,35 @@ editor.prototype.listen = function () {
         }
     }
 
+    document.getElementById('mid').onmousewheel = function (e) {
+        e.preventDefault();
+        var wheel = function (direct) {
+            var index=editor.core.floorIds.indexOf(editor.currentFloorId);
+            var toId = editor.currentFloorId;
+
+            if (direct>0 && index<editor.core.floorIds.length-1)
+                toId = editor.core.floorIds[index+1];
+            else if (direct<0 && index>0)
+                toId = editor.core.floorIds[index-1];
+            else return;
+
+            editor_mode.onmode('nextChange');
+            editor_mode.onmode('floor');
+            document.getElementById('selectFloor').value = toId;
+            editor.changeFloor(toId);
+        }
+
+        try {
+            if (e.wheelDelta)
+                wheel(Math.sign(e.wheelDelta))
+            else if (e.detail)
+                wheel(Math.sign(e.detail));
+        }
+        catch (ee) {
+            console.log(ee);
+        }
+    }
+
     var preMapData = {};
     var currDrawData = {
         pos: [],
@@ -546,8 +575,8 @@ editor.prototype.listen = function () {
         if (e.keyCode==33) {
             e.preventDefault();
             var index=editor.core.floorIds.indexOf(editor.currentFloorId);
-            if (index>0) {
-                var toId = editor.core.floorIds[index-1];
+            if (index<editor.core.floorIds.length-1) {
+                var toId = editor.core.floorIds[index+1];
                 editor_mode.onmode('nextChange');
                 editor_mode.onmode('floor');
                 document.getElementById('selectFloor').value = toId;
@@ -557,8 +586,8 @@ editor.prototype.listen = function () {
         if (e.keyCode==34) {
             e.preventDefault();
             var index=editor.core.floorIds.indexOf(editor.currentFloorId);
-            if (index<editor.core.floorIds.length-1) {
-                var toId = editor.core.floorIds[index+1];
+            if (index>0) {
+                var toId = editor.core.floorIds[index-1];
                 editor_mode.onmode('nextChange');
                 editor_mode.onmode('floor');
                 document.getElementById('selectFloor').value = toId;
diff --git a/docs/start.md b/docs/start.md
index 20b50a23..75b190a6 100644
--- a/docs/start.md
+++ b/docs/start.md
@@ -204,6 +204,7 @@ HTML5的塔都是可以进行控制台调试的。
 - `core.changeFloor('MT2', 'downFloor')` 立刻执行楼层切换到MT2层的下楼点位置。
 - `core.changeFloor('MT5', null, {'x': 4, 'y': 7})` 立刻切换楼层到MT5层的(4,7)点。
 - `core.getBlock(3, 5, 'MT1')` 获得当前地图上某一个块的信息。第三个参数为floorId，可省略表示当前楼层。
+- `core.getBlockId(3, 5, 'MT1')` 获得当前地图上某一个点的图块ID。第三个参数为floorId，可省略表示当前楼层。
 - `core.resetMap()` 重置当前层地图。**当修改地图后再读档，修改的地图不会立刻生效，此时可以使用resetMap来重置当前楼层的地图。**
 - `localStorage` 获得所有的存档数据。可以用 `core.getLocalStorage('save1')` 来具体获得某个存档。
 - ……