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Bug #700906 » 30-26-lua-unit-by-flag-2.patch

option 2: add new find.flag_unit_type (S3_0, S2_6) - Jacob Nevins, 2018-07-08 12:16 PM

View differences:

common/scriptcore/api_game_find.c
}
}
/*************************************************************************//**
Return a unit type for given flag.
*****************************************************************************/
Unit_Type *api_find_flag_unit_type(lua_State *L, const char *flag_name,
Player *pplayer)
{
enum unit_type_flag_id flag;
LUASCRIPT_CHECK_STATE(L, NULL);
LUASCRIPT_CHECK_ARG_NIL(L, flag_name, 2, string, NULL);
flag = unit_type_flag_id_by_name(flag_name, fc_strcasecmp);
if (!unit_type_flag_id_is_valid(flag)) {
return NULL;
}
if (pplayer) {
return best_role_unit_for_player(pplayer, flag);
} else if (num_role_units(flag) > 0) {
return get_role_unit(flag, 0);
} else {
return NULL;
}
}
/*****************************************************************************
Return a unit type for given role.
*****************************************************************************/
common/scriptcore/api_game_find.h
const char *name_orig);
Unit_Type *api_find_unit_type(lua_State *L, int unit_type_id);
Unit_Type *api_find_unit_type_by_name(lua_State *L, const char *name_orig);
Unit_Type *api_find_flag_unit_type(lua_State *L, const char *flag_name,
Player *pplayer);
Unit_Type *api_find_role_unit_type(lua_State *L, const char *role_name,
Player *pplayer);
Tech_Type *api_find_tech_type(lua_State *L, int tech_type_id);
common/scriptcore/tolua_game.pkg
@ unit_type (lua_State *L, const char *name_orig);
Unit_Type *api_find_unit_type
@ unit_type (lua_State *L, int unit_type_id);
Unit_Type *api_find_flag_unit_type
@ flag_unit_type (lua_State *L, const char *flag_name, Player *pplayer);
Unit_Type *api_find_role_unit_type
@ role_unit_type (lua_State *L, const char *role_name, Player *pplayer);
Tech_Type *api_find_tech_type_by_name
data/default/default.lua
-- Get new city from hut, or settlers (nomads) if terrain is poor.
function _deflua_hut_get_city(unit)
local owner = unit.owner
local settlers = find.role_unit_type('Cities', owner)
local settlers = find.flag_unit_type('Cities', owner)
if unit:is_on_possible_city_tile() then
owner:create_city(unit.tile, "")
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