void input_manager::init() {
init_keycode_mapping();
std::ifstream data_file;
picojson::value input_value;
std::string file_name = "data/raw/keybindings.json";
data_file.open(file_name.c_str());
if(!data_file.good()) {
throw "Could not read " + file_name;
}
data_file >> input_value;
data_file.close();
if(!input_value.is<picojson::array>()) {
throw file_name + "is not an array";
}
//Crawl through once and create an entry for every definition
const picojson::array& root = input_value.get<picojson::array>();
for (picojson::array::const_iterator entry = root.begin();
entry != root.end(); ++entry) {
if( !(entry->is<picojson::object>()) ){
debugmsg("Invalid keybinding setting, entry not a JSON object");
continue;
}
// JSON object representing the action
const picojson::value& action_object = *entry;
const std::string& action_id = action_object.get("id").get<std::string>();
std::string context = "default";
if(action_object.contains("category")) {
context = action_object.get("category").get<std::string>();
}
// Iterate over the bindings JSON array
const picojson::array& keybindings = action_object.get("bindings").get<picojson::array>();
for (picojson::array::const_iterator subentry = keybindings.begin();
subentry != keybindings.end(); ++subentry) {
const picojson::value& keybinding = *subentry;
const std::string& input_method = keybinding.get("input_method").get<std::string>();
input_event new_event;
if(input_method == "keyboard") {
new_event.type = CATA_INPUT_KEYBOARD;
} else if(input_method == "gamepad") {
new_event.type = CATA_INPUT_GAMEPAD;
}
if(keybinding.get("key").is<std::string>()) {
const std::string& key = keybinding.get("key").get<std::string>();
new_event.sequence.push_back(inp_mngr.get_keycode(key));
} else if(keybinding.get("key").is<picojson::array>()) {
picojson::array keys = keybinding.get("key").get<picojson::array>();
for(int i=0; i<keys.size(); i++) {
const std::string& next_key = keybinding.get("key").get(i).get<std::string>();
new_event.sequence.push_back(inp_mngr.get_keycode(next_key));
}
}
if(context == "default") {
action_to_input[action_id].push_back(new_event);
} else {
action_contexts[context][action_id].push_back(new_event);
}
}
if(!action_object.contains("name")) {
actionID_to_name[action_id] = action_id;
} else {
actionID_to_name[action_id] = action_object.get("name").get<std::string>();
}
}
}
