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Micro AIs: fix unit variables being lost in replays

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Some Micro AIs save information in unit variables. Examples are the patrol and messenger AIs, which save the next waypoint for a unit. This needs to be done as a synced command, so that the information is not lost when continuing a game from a replay.
This commit is contained in:
mattsc 2021-03-13 19:36:56 -08:00
parent d45f1d3e3d
commit ac9246aba1
1 changed files with 20 additions and 3 deletions
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23
data/ai/micro_ais/micro_ai_unit_variables.lua
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@ -12,24 +12,41 @@
-- therefore need to be in WML table format. This could be extended to allow
-- sub-tables in WML format, but there is no need for that at this time.
function wesnoth.custom_synced_commands.MAI_set_unit_variable(cfg)
local unit = wesnoth.units.find_on_map { id = cfg.id }[1]
local value = wml.get_child(cfg, "value")
unit.variables['micro_ai_' .. cfg.ai_id] = value
end
function MAI_set_unit_variable(unit, ai_id, value)
-- This is just a wrapper function for the synced command above, so that
-- we don't need to duplicate the code for creating the cfg WML table.
local cfg = {
id = unit.id,
ai_id = ai_id
}
if value then table.insert(cfg, { "value", value }) end
wesnoth.invoke_synced_command("MAI_set_unit_variable", cfg)
end
local micro_ai_unit_variables = {}
function micro_ai_unit_variables.delete_mai_unit_variables(unit, ai_id)
unit.variables['micro_ai_' .. ai_id] = nil
MAI_set_unit_variable(unit, ai_id, nil)
end
function micro_ai_unit_variables.insert_mai_unit_variables(unit, ai_id, vars_table)
local mai_var = unit.variables['micro_ai_' .. ai_id] or {}
-- Restrict to top-level named fields
for k,v in pairs(vars_table) do mai_var[k] = v end
unit.variables['micro_ai_' .. ai_id] = mai_var
MAI_set_unit_variable(unit, ai_id, mai_var)
end
function micro_ai_unit_variables.set_mai_unit_variables(unit, ai_id, vars_table)
local mai_var = {}
-- Restrict to top-level named fields
for k,v in pairs(vars_table) do mai_var[k] = v end
unit.variables['micro_ai_' .. ai_id] = mai_var
MAI_set_unit_variable(unit, ai_id, mai_var)
end
function micro_ai_unit_variables.get_mai_unit_variables(unit, ai_id, key)