CityScreen plays a sound when opened (#7163)

* added sounds to cityScreen

* changes? ..don't know how to name this commit

* removed try block

* improved era1 sound and added slider for city enter sounds

* added Information Era sound

* added Future Era sound

* better option name + translation

* added Atomic Era sound

* normalized sounds

* prevent spam + better era 0 and 1 sounds

* cleanup

* sound improvements to medieval and atomic

* volume now tied to sound effects

* improved information sound

* improved future sound

* sounds now stop if you exit the city screen

* improved Renaissance sound

* now in separate function

* now using the music controller

* better file names

* WLTK day sound + sounds are now configurable in Eras.json

* removed redundant setting and fixed comment

* added PlaySingle

* musicController no longer used

* Gdx.audio.newMusic is now used

* function name

* function are now in their own class

* CitySoundPlayer now has 1 instance in UncivGame and is hooked

* credits

* sounds loop

* loopable sounds

* updated credits

* fixed sound not stopping when changing city without leaving cityScreen

* changed WLTKNew sound

* added toggle for the sounds

* changed WLTK sound, removed music and made all tracks have the same volume

* addressed some of the issues

* addressed more issues

* increased sounds volume + volume slider

* made WLTK sound slightly quieter

* removed entry from Vanilla eras

* revert back to CitySoundPlayer.kt

* no more hooks

* removed unused stuff

* changees

* completly reverted MusicController

* and the MusicTrackChooserFlags

* fixed ESC not stopping sounds

* updated credits to mention the sounds are modified

* dispose()

* removed try block

android/assets/jsons/Civ V - Vanilla/Eras.json

@@ -1,7 +1,7 @@
 [
     // Source: the fandom, so take these with a grain of salt
     // I also did some testing in the official version, but by far not all
-    
+
     {
         "name": "Ancient era",
         "researchAgreementCost": 150,
@@ -13,6 +13,7 @@
         "baseUnitBuyCost": 200,
         "embarkDefense": 3,
         "startPercent": 0,
+        "citySound": "cityAncient",
         "friendBonus": {
             "Cultured": ["Provides [+3 Culture] per turn"],
             "Maritime": ["Provides [+2 Food] [in capital] per turn"],
@@ -42,6 +43,7 @@
         "baseUnitBuyCost": 200,
         "embarkDefense": 4,
         "startPercent": 10,
+        "citySound": "cityClassical",
         "friendBonus": {
             "Cultured": ["Provides [+3 Culture] per turn"],
             "Maritime": ["Provides [+2 Food] [in capital] per turn"],
@@ -73,6 +75,7 @@
         "baseUnitBuyCost": 200,
         "embarkDefense": 6,
         "startPercent": 25,
+        "citySound": "cityMedieval",
         "friendBonus": {
             "Cultured": ["Provides [+6 Culture] per turn"],
             "Maritime": ["Provides [+2 Food] [in capital] per turn"],
@@ -100,11 +103,12 @@
         "startingCulture": 300,
         "settlerPopulation": 2,
         "settlerBuildings": ["Monument","Granary","Lighthouse"],
-        "startingObsoleteWonders": ["Temple of Artemis", "Stonehenge", "The Great Library", "Mausoleum of Halicarnassus", "The Pyramids", "Statue of Zeus", 
+        "startingObsoleteWonders": ["Temple of Artemis", "Stonehenge", "The Great Library", "Mausoleum of Halicarnassus", "The Pyramids", "Statue of Zeus",
             "The Great Lighthouse", "Hanging Gardens", "The Oracle", "Great Wall", "Colossus"],
         "baseUnitBuyCost": 300,
         "embarkDefense": 8,
         "startPercent": 37,
+        "citySound": "cityRenaissance",
         "friendBonus": {
             "Cultured": ["Provides [+6 Culture] per turn"],
             "Maritime": ["Provides [+2 Food] [in capital] per turn"],
@@ -138,6 +142,7 @@
         "baseUnitBuyCost": 400,
         "embarkDefense": 10,
         "startPercent": 50,
+        "citySound": "cityIndustrial",
         "friendBonus": {
             "Cultured": ["Provides [+13 Culture] per turn"],
             "Maritime": ["Provides [+2 Food] [in capital] per turn"],
@@ -167,11 +172,12 @@
         "settlerBuildings": ["Monument","Granary","Lighthouse","Market","Workshop","Temple","Barracks","Library","Colosseum"],
         "startingObsoleteWonders": ["Temple of Artemis", "Stonehenge", "The Great Library", "Mausoleum of Halicarnassus", "The Pyramids", "Statue of Zeus",
             "The Great Lighthouse", "Hanging Gardens", "The Oracle", "Great Wall", "Colossus",
-            "Hagia Sophia", "Chichen Itza", "Machu Picchu", "Angkor Wat", "Notre Dame", 
+            "Hagia Sophia", "Chichen Itza", "Machu Picchu", "Angkor Wat", "Notre Dame",
             "Sistine Chapel", "Forbidden Palace", "Himeji Castle", "Taj Mahal", "Porcelain Tower", "Kremlin"],
         "baseUnitBuyCost": 600,
         "embarkDefense": 13,
         "startPercent": 65,
+        "citySound": "cityModern",
         "friendBonus": {
             "Cultured": ["Provides [+13 Culture] per turn"],
             "Maritime": ["Provides [+2 Food] [in capital] per turn"],
@@ -207,6 +213,7 @@
         "baseUnitBuyCost": 800,
         "embarkDefense": 16,
         "startPercent": 65,
+        "citySound": "cityAtomic",
         "friendBonus": {
             "Cultured": ["Provides [+13 Culture] per turn"],
             "Maritime": ["Provides [+2 Food] [in capital] per turn"],
@@ -243,9 +250,10 @@
         "baseUnitBuyCost": 1000,
         "embarkDefense": 20,
         "startPercent": 80,
-        // So theoretically this is always just all the wonders at least 2 eras old. So we could just use that. 
+        // So theoretically this is always just all the wonders at least 2 eras old. So we could just use that.
         // But where is the modularity? The excluding of very specific wonders? That is no fun.
         // So we just write down the entire long list (sorted by era!) instead.
+        "citySound": "cityInformation",
         "friendBonus": {
             "Cultured": ["Provides [+13 Culture] per turn"],
             "Maritime": ["Provides [+2 Food] [in capital] per turn"],
@@ -263,8 +271,8 @@
         },
         "iconRGB": [76, 176, 81],
     },
-    { // Technically, this Era doesn't exist in the original game. 
-      // But as it is _really_ usefull to have for testing, I'd like to keep it. 
+    { // Technically, this Era doesn't exist in the original game.
+      // But as it is _really_ usefull to have for testing, I'd like to keep it.
       // The stats are just copy-pasted from the information era.
         "name": "Future era",
         "researchAgreementCost": 400,
@@ -285,6 +293,7 @@
         "baseUnitBuyCost": 1000,
         "embarkDefense": 25,
         "startPercent": 80,
+        "citySound": "cityFuture",
         "friendBonus": {
             "Cultured": ["Provides [+13 Culture] per turn"],
             "Maritime": ["Provides [+2 Food] [in capital] per turn"],