// TODO: Support irrigation modes
JNIEXPORT jbyteArray JNICALL Java_net_hackcasual_freeciv_NativeHarness_getAvailableCommandsForActiveUnit
(JNIEnv * env, jobject obj) {
struct unit * pUnit;
char availCommands[COM_UNIT_LAST];
int commandCount = 0;
pUnit = head_of_units_in_focus();
if (pUnit) {
struct tile *pTile = pUnit->tile;
struct city *pCity = tile_city(pTile);
struct terrain *pTerrain = tile_terrain(pTile);
struct base_type *pbase;
struct unit_list *punits = get_units_in_focus();
if (can_unit_build_city(pUnit)) {
availCommands[commandCount++] = COM_BUILD_CITY;
}
if (can_unit_do_activity(pUnit, ACTIVITY_GOTO)) {
availCommands[commandCount++] = COM_GO_TO;
availCommands[commandCount++] = COM_GO_TO_CITY;
}
if (can_unit_do_activity(pUnit, ACTIVITY_SENTRY)) {
availCommands[commandCount++] = COM_SENTRY;
}
if (can_unit_do_activity(pUnit, ACTIVITY_FORTIFYING)) {
availCommands[commandCount++] = COM_FORTIFY;
}
if (can_unit_do_activity(pUnit, ACTIVITY_EXPLORE)) {
availCommands[commandCount++] = COM_EXPLORE;
}
availCommands[commandCount++] = COM_DISBAND;
if (can_unit_do_activity(pUnit, ACTIVITY_ROAD) || can_unit_do_activity(pUnit, ACTIVITY_RAILROAD)) {
availCommands[commandCount++] = COM_ROAD;
}
if (can_unit_do_activity(pUnit, ACTIVITY_IRRIGATE)) {
availCommands[commandCount++] = COM_IRRIGATION;
}
if (can_unit_do_autosettlers(pUnit)) {
availCommands[commandCount++] = COM_AUTO_WORKER;
}
if (can_unit_do_connect(pUnit, ACTIVITY_IRRIGATE)) {
availCommands[commandCount++] = COM_CONNECT_IRRIGATION;
}
if (can_unit_do_connect(pUnit, ACTIVITY_ROAD)) {
availCommands[commandCount++] = COM_CONNECT_ROAD;
}
if (can_unit_do_connect(pUnit, ACTIVITY_RAILROAD)) {
availCommands[commandCount++] = COM_CONNECT_RAILROAD;
}
availCommands[commandCount++] = COM_WAIT;
if (unit_can_help_build_wonder_here(pUnit)) {
availCommands[commandCount++] = COM_BUILD_WONDER;
}
if (unit_can_est_trade_route_here(pUnit)) {
availCommands[commandCount++] = COM_TRADE_ROUTE;
}
if (can_unit_do_activity(pUnit, ACTIVITY_MINE)) {
availCommands[commandCount++] = COM_MINE;
}
if (can_unit_do_activity(pUnit, ACTIVITY_TRANSFORM)) {
availCommands[commandCount++] = COM_TRANSFORM;
}
pbase = get_base_by_gui_type(BASE_GUI_FORTRESS, pUnit, pUnit->tile);
if (!pCity && pbase) {
availCommands[commandCount++] = COM_FORTRESS;
}
pbase = get_base_by_gui_type(BASE_GUI_AIRBASE, pUnit, pUnit->tile);
if (!pCity && pbase) {
availCommands[commandCount++] = COM_AIRBASE;
}
if (can_unit_do_activity(pUnit, ACTIVITY_POLLUTION)) {
availCommands[commandCount++] = COM_POLLUTION;
}
if (can_unit_do_activity(pUnit, ACTIVITY_FALLOUT)) {
availCommands[commandCount++] = COM_FALLOUT;
}
if (can_unit_paradrop(pUnit)) {
availCommands[commandCount++] = COM_PARADROP;
}
if (can_unit_do_activity(pUnit, ACTIVITY_PILLAGE)) {
availCommands[commandCount++] = COM_FALLOUT;
}
if (pCity && can_unit_change_homecity(pUnit)
&& pCity->id != pUnit->homecity) {
availCommands[commandCount++] = COM_HOMECITY;
}
if (pUnit->occupy && get_transporter_occupancy(pUnit) > 0) {
availCommands[commandCount++] = COM_UNLOAD_TRANSPORT;
}
if (units_can_load(punits)) {
availCommands[commandCount++] = COM_LOAD;
}
if (units_can_unload(punits)) {
availCommands[commandCount++] = COM_UNLOAD;
}
if (pCity && pCity->airlift) {
availCommands[commandCount++] = COM_AIRLIFT;
}
if (pCity && can_upgrade_unittype(client.conn.playing, unit_type(pUnit))) {
availCommands[commandCount++] = COM_UPGRADE;
}
if (diplomat_can_do_action(pUnit, DIPLOMAT_ANY_ACTION, pUnit->tile)) {
availCommands[commandCount++] = COM_DIPLOMAT;
}
if (unit_has_type_flag(pUnit, F_NUCLEAR)) {
availCommands[commandCount++] = COM_NUKE;
}
}
jbyteArray commands;
commands = (*env)->NewByteArray(env, commandCount);
(*env)->SetByteArrayRegion(env, commands, 0,
commandCount, (jbyte *)availCommands);
return commands;
}
bool can_unit_upgrade(struct unit* punit) {
return can_upgrade_unittype(client_player(), unit_type(punit));
}
