From 73bea4600f5bb3ad748d9bfa65ef6cd14e6bbd55 Mon Sep 17 00:00:00 2001
From: Nathanael Sensfelder <SpamShield0@MultiAgentSystems.org>
Date: Thu, 12 Jul 2018 16:50:35 +0200
Subject: Starting work on the Map handler...

---
 src/map/query/map_load_state.erl | 159 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 159 insertions(+)
 create mode 100644 src/map/query/map_load_state.erl

(limited to 'src/map/query/map_load_state.erl')

diff --git a/src/map/query/map_load_state.erl b/src/map/query/map_load_state.erl
new file mode 100644
index 0000000..2026222
--- /dev/null
+++ b/src/map/query/map_load_state.erl
@@ -0,0 +1,159 @@
+-module(btl_load_state).
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%% TYPES %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+-include("../../../include/yaws_api.hrl").
+
+-record
+(
+   input,
+   {
+      player_id :: btl_player:id(),
+      session_token :: binary(),
+      battle_id :: binary()
+   }
+).
+
+-record
+(
+   query_state,
+   {
+      battle :: btl_battle:type()
+   }
+).
+
+-type input() :: #input{}.
+-type query_state() :: #query_state{}.
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%% EXPORTS %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+-export([out/1]).
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%% LOCAL FUNCTIONS %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+-spec parse_input (binary()) -> input().
+parse_input (Req) ->
+   JSONReqMap = jiffy:decode(Req, [return_maps]),
+   PlayerID = maps:get(<<"pid">>, JSONReqMap),
+   SessionToken =  maps:get(<<"stk">>, JSONReqMap),
+   BattleID = maps:get(<<"bid">>, JSONReqMap),
+
+   #input
+   {
+      player_id = PlayerID,
+      session_token = SessionToken,
+      battle_id = BattleID
+   }.
+
+-spec fetch_data (input()) -> query_state().
+fetch_data (Input) ->
+   PlayerID = Input#input.player_id,
+   BattleID = Input#input.battle_id,
+
+   Battle = shr_timed_cache:fetch(battle_db, PlayerID, BattleID),
+
+   #query_state
+   {
+      battle = Battle
+   }.
+
+-spec generate_reply(query_state(), input()) -> binary().
+generate_reply (QueryState, Input) ->
+   PlayerID = Input#input.player_id,
+   Battle = QueryState#query_state.battle,
+   Players = btl_battle:get_players(Battle),
+
+   PlayerIX =
+      shr_array_util:first
+      (
+         fun (Player) ->
+            (btl_player:get_id(Player) == PlayerID)
+         end,
+         Players
+      ),
+
+   true = (PlayerIX >= 0),
+
+   SetTimeline =
+      btl_set_timeline:generate
+      (
+         btl_battle:get_encoded_last_turns_effects(Battle)
+      ),
+
+   SetMap = btl_set_map:generate(btl_battle:get_battlemap(Battle)),
+
+   AddCharList =
+      array:sparse_to_list
+      (
+         array:map
+         (
+            fun (IX, Character) ->
+               btl_add_char:generate(IX, Character, PlayerIX)
+            end,
+            btl_battle:get_characters(Battle)
+         )
+      ),
+
+   AddWeaponList =
+      lists:map
+      (
+         fun (WeaponID) ->
+            btl_add_weapon:generate(shr_weapon:from_id(WeaponID))
+         end,
+         btl_battle:get_used_weapon_ids(Battle)
+      ),
+
+   AddArmorList =
+      lists:map
+      (
+         fun (ArmorID) ->
+            btl_add_armor:generate(shr_armor:from_id(ArmorID))
+         end,
+         btl_battle:get_used_armor_ids(Battle)
+      ),
+
+   AddTileList =
+      lists:map
+      (
+         fun (TileID) ->
+            btl_add_tile:generate(btl_tile:from_id(TileID))
+         end,
+         btl_battle:get_used_tile_ids(Battle)
+      ),
+
+   OutputList =
+      (
+         AddTileList
+         ++ [SetTimeline, SetMap | AddWeaponList]
+         ++ AddArmorList
+         ++ AddCharList
+      ),
+   Output = jiffy:encode(OutputList),
+
+   Output.
+
+-spec handle (binary()) -> binary().
+handle (Req) ->
+   Input = parse_input(Req),
+   btl_security:assert_identity
+   (
+      Input#input.player_id,
+      Input#input.session_token
+   ),
+   btl_security:lock_queries(Input#input.player_id),
+   QueryState = fetch_data(Input),
+   btl_security:unlock_queries(Input#input.player_id),
+   generate_reply(QueryState, Input).
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%% EXPORTED FUNCTIONS %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+out(A) ->
+   {
+      content,
+      "application/json; charset=UTF-8",
+      handle(A#arg.clidata)
+   }.
-- 
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