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|
-module(character_turn).
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% TYPES %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-include("../../include/yaws_api.hrl").
-record
(
input,
{
session_token,
player_id,
battlemap_id,
instance_id,
char_id,
path,
target_id
}
).
-record
(
query_state,
{
input,
battlemap,
battlemap_inst,
main_char,
main_char_inst,
main_char_new_loc,
target_char,
target_char_inst
}
).
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% EXPORTS %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-export([out/1]).
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% LOCAL FUNCTIONS %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
parse_input (Req) ->
JSONReqMap = jiffy:decode(Req, [return_maps]),
PlayerID = maps:get(<<"player_id">>, JSONReqMap),
SessionToken = maps:get(<<"session_token">>, JSONReqMap),
database_shim:assert_session_is_valid(PlayerID, SessionToken),
#input
{
player_id = PlayerID,
battlemap_id = maps:get(<<"battlemap_id">>, JSONReqMap),
instance_id = maps:get(<<"instance_id">>, JSONReqMap),
char_id = maps:get(<<"char_id">>, JSONReqMap),
path = maps:get(<<"path">>, JSONReqMap),
target_id = maps:get(<<"target_id">>, JSONReqMap)
}.
fetch_data (Input) ->
Battlemap = timed_cache:fetch(battlemap_db, Input#input.battlemap_id),
BattlemapInst =
timed_cache:fetch
(
battlemap_instance_db,
<<"0">>
),
MainChar = timed_cache:fetch(character_db, Input#input.char_id),
MainCharInst =
battlemap_instance:get_char_instance
(
BattlemapInst,
Input#input.char_id
),
case Input#input.target_id of
<<"">> ->
TargetChar = nothing,
TargetCharInst = nothing;
TargetID ->
TargetChar = timed_cache:fetch(character_db, TargetID),
TargetCharInst =
battlemap_instance:get_char_instance
(
BattlemapInst,
TargetID
)
end,
#query_state
{
input = Input,
battlemap = Battlemap,
battlemap_inst = BattlemapInst,
main_char = MainChar,
main_char_inst = MainCharInst,
main_char_new_loc = nothing,
target_char = TargetChar,
target_char_inst = TargetCharInst
}.
assert_main_char_can_be_used (QueryState) ->
false = character_instance:is_dead(QueryState#query_state.main_char_inst),
true =
battlemap_instance:can_play_char_instance
(
QueryState#query_state.battlemap_inst,
QueryState#query_state.input#input.player_id,
QueryState#query_state.input#input.char_id
).
handle_main_char_movement (QueryState) ->
{X, Y} =
battlemap:cross
(
QueryState#query_state.battlemap,
character_instance:get_location(QueryState#query_state.main_char_inst),
character:get_movement_points(QueryState#query_state.main_char),
QueryState#query_state.input#input.path,
battlemap_instance:get_char_instances
(
QueryState#query_state.battlemap_inst
)
),
QueryState#query_state
{
battlemap_inst =
battlemap_instance:set_char_instance
(
battlemap_instance:post_play_char_instance
(
QueryState#query_state.battlemap_inst,
QueryState#query_state.input#input.char_id
),
QueryState#query_state.input#input.char_id,
character_instance:set_location
(
QueryState#query_state.main_char_inst,
X,
Y
)
),
main_char_new_loc = {X, Y}
}.
handle_target (QueryState)
when (QueryState#query_state.target_char_inst == nothing) ->
QueryState;
handle_target (QueryState) ->
TargetLoc =
character_instance:get_location(QueryState#query_state.main_char_inst),
Dist =
battlemap:dist(QueryState#query_state.main_char_new_loc, TargetLoc),
true =
(Dist =< character:get_attack_range(QueryState#query_state.main_char)),
%% TODO: test for (and handle) riposte.
QueryState#query_state
{
battlemap_inst =
battlemap_instance:set_char_instance
(
QueryState#query_state.battlemap_inst,
QueryState#query_state.input#input.target_id,
character_instance:mod_health
(
QueryState#query_state.target_char_inst,
-1,
character:get_max_health(QueryState#query_state.main_char)
)
)
}.
handle (Req) ->
%%%% Parse
Input = parse_input(Req),
%%%% Fetch
QueryState = fetch_data(Input),
%%%% Calc
assert_main_char_can_be_used(QueryState),
NQueryState = handle_target(handle_main_char_movement(QueryState)),
%%%% Commit
database_shim:commit
(
battlemap_instance_db,
<<"0">>,
NQueryState#query_state.battlemap_inst
),
%%%% Reply
jiffy:encode([[<<"okay">>]]).
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% EXPORTED FUNCTIONS %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
out(A) ->
{
content,
"application/json; charset=UTF-8",
handle(A#arg.clidata)
}.
|
