static void set_global_variable(persist_context &ctx, const vconfig &pcfg)
{
if (pcfg["from_local"].empty()) {
clear_global_variable(ctx, pcfg);
} else {
std::string global = pcfg["to_global"];
std::string local = pcfg["from_local"];
config val;
const config &vars = resources::gamedata->get_variables();
size_t arraylen = vars.child_count(local);
if (arraylen == 0) {
try
{
val = pack_scalar(global,resources::gamedata->get_variable(local));
}
catch(const invalid_variablename_exception&)
{
val = config();
}
} else {
for (size_t i = 0; i < arraylen; i++)
val.add_child(global,vars.child(local,i));
}
ctx.set_var(global, val, pcfg["immediate"].to_bool());
}
}
void verify_and_clear_global_variable(const vconfig &pcfg)
{
bool valid = true;
if (!pcfg.has_attribute("global")) {
LOG_PERSIST << "Error: [clear_global_variable] missing required attribute \"from_global\"";
valid = false;
}
if (!pcfg.has_attribute("namespace")) {
LOG_PERSIST << "Error: [clear_global_variable] missing attribute \"namespace\" and no global namespace provided.";
valid = false;
}
if (network::nconnections() != 0) {
if (!pcfg.has_attribute("side")) {
LOG_PERSIST << "Error: [set_global_variable] missing attribute \"side\" required in multiplayer context.";
valid = false;
} else {
config::attribute_value pcfg_side = pcfg["side"];
int side = pcfg_side;
//Check side matching only if the side is not "global".
if (pcfg_side.str() != "global") {
//Ensure that the side is valid.
if (unsigned(side-1) > resources::teams->size()) {
LOG_PERSIST << "Error: [clear_global_variable] attribute \"side\" specifies invalid side number.";
valid = false;
} else {
//Clear the variable only if it is meant for a side we control
valid = (*resources::teams)[side - 1].is_local();
}
}
}
}
if (valid)
{
persist_context &ctx = resources::persist->get_context((pcfg["namespace"]));
if (ctx.valid()) {
clear_global_variable(ctx,pcfg);
} else {
LOG_PERSIST << "Error: [clear_global_variable] attribute \"namespace\" is not valid.";
}
}
}
void verify_and_clear_global_variable(const vconfig &pcfg)
{
bool valid = true;
if (!pcfg.has_attribute("global")) {
ERR_PERSIST << "[clear_global_variable] missing required attribute \"from_global\"";
valid = false;
}
if (!pcfg.has_attribute("namespace")) {
ERR_PERSIST << "[clear_global_variable] missing attribute \"namespace\" and no global namespace provided.";
valid = false;
}
if (resources::controller->is_networked_mp()) {
config::attribute_value pcfg_side = pcfg["side"];
const int side = pcfg_side.to_int();
//Check side matching only if the side is not "global" or empty.
if (pcfg_side.str() != "global" && !pcfg_side.empty()) {
//Ensure that the side is valid.
if (unsigned(side-1) > resources::gameboard->teams().size()) {
ERR_PERSIST << "[clear_global_variable] attribute \"side\" specifies invalid side number.";
valid = false;
} else if (resources::gameboard->teams()[side - 1].is_empty()) {
LOG_PERSIST << "[clear_global_variable] attribute \"side\" specifies a null-controlled side number.";
valid = false;
} else {
//Clear the variable only if it is meant for a side we control
valid = resources::gameboard->teams()[side - 1].is_local();
}
}
}
if (valid)
{
persist_context &ctx = resources::persist->get_context((pcfg["namespace"]));
if (ctx.valid()) {
clear_global_variable(ctx,pcfg);
} else {
LOG_PERSIST << "Error: [clear_global_variable] attribute \"namespace\" is not valid.";
}
}
}
