Occupations: Refactor all occupation defs into separate Lua files.

Add WIP priest occupation.
Add WIP (very WIP) farmer occupation.

data/occupations/default.lua

@@ -0,0 +1,150 @@
+----------------------------------------------------
+-- Default occupation for Advanced NPC
+-- By Zorman2000
+----------------------------------------------------
+-- The default "occupation" gives some schedule entries to the NPCs
+-- which don't have any occupation. The rest is left as randomly
+-- initialized.
+
+local basic_def = {
+    -- Use random textures
+    textures = {},
+    -- Use random dialogues
+    dialogues = {},
+    -- Initialize inventory with random items
+    initial_inventory = {},
+    -- Initialize schedule
+    schedules_entries = {
+        -- Schedule entry for 7 in the morning
+        [7] = {
+            -- Get out of bed
+            [1] = {task = npc.actions.cmd.USE_BED, args = {
+                pos = npc.places.PLACE_TYPE.BED.PRIMARY,
+                action = npc.actions.const.beds.GET_UP
+            }
+            },
+            -- Walk to home inside
+            [2] = {task = npc.actions.cmd.WALK_TO_POS, args = {
+                end_pos = npc.places.PLACE_TYPE.OTHER.HOME_INSIDE,
+                walkable = {}
+            },
+                chance = 75
+            },
+            -- Allow mobs_redo wandering
+            [3] = {action = npc.actions.cmd.FREEZE, args = {freeze = false}}
+        },
+        -- Schedule entry for 7 in the morning
+        [8] = {
+            -- Walk to outside of home
+            [1] = {task = npc.actions.cmd.WALK_TO_POS, args = {
+                end_pos = npc.places.PLACE_TYPE.OTHER.HOME_OUTSIDE,
+                walkable = {}
+            },
+                chance = 75
+            },
+            -- Allow mobs_redo wandering
+            [2] = {action = npc.actions.cmd.FREEZE, args = {freeze = false}}
+        },
+        -- Schedule entry for 12 midday
+        [12] = {
+            -- Walk to a sittable node
+            [1] = {task = npc.actions.cmd.WALK_TO_POS, args = {
+                end_pos = {place_type=npc.places.PLACE_TYPE.SITTABLE.PRIMARY, use_access_node=true},
+                walkable = {"cottages:bench"}
+            },
+                chance = 75
+            },
+            -- Sit on the node
+            [2] = {task = npc.actions.cmd.USE_SITTABLE, args = {
+                pos = npc.places.PLACE_TYPE.SITTABLE.PRIMARY,
+                action = npc.actions.const.sittable.SIT
+            },
+                depends = {1}
+            },
+            -- Stay put into place
+            [3] = {action = npc.actions.cmd.SET_INTERVAL, args = {
+                freeze = true,
+                interval = 35
+            },
+                depends = {2}
+            },
+            [4] = {action = npc.actions.cmd.SET_INTERVAL, args = {
+                freeze = true,
+                interval = npc.actions.default_interval
+            },
+                depends = {3}
+            },
+            -- Get up from sit
+            [5] = {action = npc.actions.cmd.USE_SITTABLE, args = {
+                pos = npc.places.PLACE_TYPE.SITTABLE.PRIMARY,
+                action = npc.actions.const.sittable.GET_UP
+            },
+                depends = {4}
+            }
+        },
+        -- Schedule entry for 1 in the afternoon
+        [13] = {
+            -- Give NPC money to buy from player
+            [1] = {property = npc.schedule_properties.put_multiple_items, args = {
+                itemlist = {
+                    {name="default:iron_lump", random=true, min=2, max=4}
+                }
+            },
+                chance = 75
+            },
+            -- Change trader status to "trader"
+            [2] = {property = npc.schedule_properties.trader_status, args = {
+                status = npc.trade.TRADER
+            },
+                chance = 75
+            },
+            [3] = {property = npc.schedule_properties.can_receive_gifts, args = {
+                can_receive_gifts = false
+            },
+                depends = {1}
+            },
+            -- Allow mobs_redo wandering
+            [4] = {action = npc.actions.cmd.FREEZE, args = {freeze = false}}
+        },
+        -- Schedule entry for 6 in the evening
+        [18] = {
+            -- Change trader status to "none"
+            [1] = {property = npc.schedule_properties.trader_status, args = {
+                status = npc.trade.NONE
+            }
+            },
+            -- Enable gift receiving again
+            [2] = {property = npc.schedule_properties.can_receive_gifts, args = {
+                can_receive_gifts = true
+            }
+            },
+            -- Get inside home
+            [3] = {task = npc.actions.cmd.WALK_TO_POS, args = {
+                end_pos = npc.places.PLACE_TYPE.OTHER.HOME_INSIDE,
+                walkable = {}
+            }
+            },
+            -- Allow mobs_redo wandering
+            [4] = {action = npc.actions.cmd.FREEZE, args = {freeze = false}}
+        },
+        -- Schedule entry for 10 in the evening
+        [22] = {
+            [1] = {task = npc.actions.cmd.WALK_TO_POS, args = {
+                end_pos = {place_type=npc.places.PLACE_TYPE.BED.PRIMARY, use_access_node=true},
+                walkable = {}
+            }
+            },
+            -- Use bed
+            [2] = {task = npc.actions.cmd.USE_BED, args = {
+                pos = npc.places.PLACE_TYPE.BED.PRIMARY,
+                action = npc.actions.const.beds.LAY
+            }
+            },
+            -- Stay put on bed
+            [3] = {action = npc.actions.cmd.FREEZE, args = {freeze = true}}
+        }
+    }
+}
+
+-- Register default occupation
+npc.occupations.register_occupation(npc.occupations.basic_name, basic_def)