Add test topic and exception for register_img_same

Monika After Story/game/dev/dev_deco.rpy

@@ -3,9 +3,11 @@
 
 image dev_monika_bg_one = "dev/deco/fakebg_1.png"
 image dev_monika_bg_two = "dev/deco/fakebg_2.png"
+image dev_monika_bg_thr = "dev/deco/fakebg_3.png"
 image dev_monika_deco_one = "dev/deco/fakedeco_1_0.png"
 image dev_monika_deco_one_alt = "dev/deco/fakedeco_1_0_alt.png"
 image dev_monika_deco_two = "dev/deco/fakedeco_2_0.png"
+image dev_monika_deco_thr = "dev/deco/fakedeco_3_0.png"
 
 image dev_monika_deco_flt = MASFilterSwitch("dev/deco/fakedeco_1_2.png")
 
@@ -45,6 +47,23 @@ init -1 python:
         store.mas_background.default_MBGFM(),
         unlocked=True
     )
+    dev_mas_bg_3 = MASFilterableBackground(
+        "dev_mas_bg_3",
+        "Fake BG 3",
+        MASFilterWeatherMap(
+            day=MASWeatherMap({
+                store.mas_weather.PRECIP_TYPE_DEF: "dev_monika_bg_thr",
+            }),
+            night=MASWeatherMap({
+                store.mas_weather.PRECIP_TYPE_DEF: "dev_monika_bg_thr",
+            }),
+            sunset=MASWeatherMap({
+                store.mas_weather.PRECIP_TYPE_DEF: "dev_monika_bg_thr",
+            }),
+        ),
+        store.mas_background.default_MBGFM(),
+        unlocked=True
+    )
 
 
 init 501 python:
@@ -59,6 +78,11 @@ init 501 python:
         store.mas_background.MBG_DEF,
         MASAdvancedDecoFrame(zorder=6)
     )
+    MASImageTagDecoDefinition.register_img(
+        "dev_monika_deco_thr",
+        store.mas_background.MBG_DEF,
+        MASAdvancedDecoFrame(zorder=6)
+    )
 
     # fake bg 1
     MASImageTagDecoDefinition.register_img(
@@ -71,6 +95,11 @@ init 501 python:
         "dev_mas_bg_1",
         MASAdvancedDecoFrame(at_list=[i31], zorder=6)
     )
+    MASImageTagDecoDefinition.register_img_same(
+        "dev_monika_deco_thr",
+        store.mas_background.MBG_DEF,
+        "dev_mas_bg_1"
+    )
 
     # fake bg 2
     MASImageTagDecoDefinition.register_img(
@@ -89,6 +118,11 @@ init 501 python:
         "dev_mas_bg_2",
         MASAdvancedDecoFrame(zorder=20)
     )
+    MASImageTagDecoDefinition.register_img_same(
+        "dev_monika_deco_thr",
+        store.mas_background.MBG_DEF,
+        "dev_mas_bg_2"
+    )
 
 
 init 5 python:
@@ -97,7 +131,7 @@ init 5 python:
             persistent.event_database,
             eventlabel="dev_deco_tag_test_api",
             category=["dev"],
-            prompt="DECO TAG TEST API",
+            prompt="DECO TAG TEST API REG",
             pool=True,
             unlocked=True
         )
@@ -147,6 +181,38 @@ label dev_deco_tag_test_api:
     return
 
 
+init 5 python:
+    addEvent(
+        Event(
+            persistent.event_database,
+            eventlabel="dev_deco_tag_test_api_same",
+            category=["dev"],
+            prompt="DECO TAG TEST API REG SAME",
+            pool=True,
+            unlocked=True
+        )
+    )
+
+label dev_deco_tag_test_api_same:
+
+    m 1eub "TIME TO TEST `register_img_same`"
+    $ mas_showDecoTag("dev_monika_deco_thr", show_now=True)
+
+    m "a blue deco whould be visible"
+    call mas_background_change(dev_mas_bg_1, skip_leadin=True, skip_outro=True)
+    m "the deco should be in the same place"
+
+    call mas_background_change(dev_mas_bg_2, skip_leadin=True, skip_outro=True)
+    m 1eua "the deco should STILL be in the same place"
+
+    $ mas_hideDecoTag("dev_monika_deco_thr")
+    call mas_background_change(mas_background_def, skip_leadin=True, skip_outro=True)
+    m 2eub "deco should be hideen now"
+    m 6wuw "Thanks"
+
+    return
+
+
 init 5 python:
     addEvent(
         Event(