Add an event generator for scenario name changes

Based in the newly-named Mythos Area, when a Scenario card lands the name will be extracted and sent to interested objects.

Playarea will use this for special location handling, and there will be other cases in the future.

config.json

@@ -39,7 +39,7 @@
     "Custom_Assetbundle.9f95fd",
     "Custom_Assetbundle.35b95f",
     "Custom_Assetbundle.5af8f2",
-    "Custom_Tile.9f334f",
+    "AgendaArea.9f334f",
     "Custom_Tile.91dd9b",
     "Custom_Assetbundle.5706ae",
     "Custom_Tile.6161b4",

objects/MythosArea.9f334f.json

@@ -58,18 +58,18 @@
   "HideWhenFaceDown": false,
   "IgnoreFoW": false,
   "LayoutGroupSortIndex": 0,
-  "Locked": true,
-  "LuaScript": "",
-  "LuaScriptState": "",
+  "Locked": false,
+  "LuaScript": "require(\"core/MythosArea\")",
+  "LuaScriptState": "[]",
   "MeasureMovement": false,
   "Name": "Custom_Tile",
-  "Nickname": "",
+  "Nickname": "Mythos Area",
   "Snap": true,
   "Sticky": true,
   "Tooltip": false,
   "Transform": {
     "posX": -1.309,
-    "posY": 1.483,
+    "posY": 1.477,
     "posZ": 0.034,
     "rotX": 0,
     "rotY": 270,

objects/Playarea.721ba2.json

@@ -34,7 +34,7 @@
   "LayoutGroupSortIndex": 0,
   "Locked": true,
   "LuaScript": "require(\"core/PlayArea\")",
-  "LuaScriptState": "[]",
+  "LuaScriptState": "{\"spawnedLocs\":[]}",
   "MeasureMovement": false,
   "Name": "Custom_Token",
   "Nickname": "Playarea",

src/core/MythosArea.ttslua

@@ -0,0 +1,31 @@
+local playAreaApi = require("core/PlayAreaApi")
+
+local currentScenario
+
+function onLoad(saveState)
+  if saveState ~= nil then
+    local loadedState = JSON.decode(saveState) or { }
+    currentScenario = loadedState.currentScenario
+  end
+end
+
+function onSave()
+  return JSON.encode({
+    currentScenario = currentScenario
+  })
+end
+
+-- TTS event handler.  Checks for a scenrio card, extracts the scenario name from the description,
+-- and fires it to the relevant listeners.
+function onCollisionEnter(collisionInfo)
+  local object = collisionInfo.collision_object
+  if object.getName() == "Scenario" then
+    log("Collision: " .. object.getGUID())
+    currentScenario = object.getDescription()
+    fireScenarioChangedEvent()
+  end
+end
+
+function fireScenarioChangedEvent()
+  playAreaApi.onScenarioChanged(currentScenario)
+end

src/core/PlayArea.ttslua

@@ -25,16 +25,25 @@ local PLAY_AREA_ZONE_GUID = "a2f932"
 
 local clueData = {}
 spawnedLocationGUIDs = {}
+local currentScenario
 
 ---------------------------------------------------------
 -- general code
 ---------------------------------------------------------
 
-function onSave() return JSON.encode(spawnedLocationGUIDs) end
+function onSave()
+  -- return JSON.encode({})
+  return JSON.encode({
+    spawnedLocs = spawnedLocationGUIDs,
+    currentScenario = currentScenario
+  })
+end
 
-function onLoad(save_state)
+function onLoad(saveState)
   -- records locations we have spawned clues for
-  spawnedLocationGUIDs = JSON.decode(save_state) or {}
+  local saveData = JSON.decode(saveState) or {}
+  spawnedLocationGUIDs = saveData.spawnedLocs or { }
+  currentScenario = saveData.currentScenario
 
   local TOKEN_DATA = Global.getTable('TOKEN_DATA')
   clueData = {
@@ -182,3 +191,7 @@ end
 function resetSpawnedCards()
   spawnedLocationGUIDs = {}
 end
+
+function onScenarioChanged(scenarioName)
+  currentScenario = scenarioName
+end

src/core/PlayAreaApi.ttslua

@@ -35,5 +35,12 @@ do
     return getObjectFromGUID(PLAY_AREA_GUID).call("resetSpawnedCards")
   end
 
+  -- Event to be called when the current scenario has changed.
+  ---@param scenarioName Name of the new scenario
+  PlayAreaApi.onScenarioChanged = function(scenarioName)
+    log("In API")
+    getObjectFromGUID(PLAY_AREA_GUID).call("onScenarioChanged", scenarioName)
+  end
+
   return PlayAreaApi
 end