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296 lines
12 KiB
C++
296 lines
12 KiB
C++
#include "inputactions.hpp"
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#include <queue>
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#include <set>
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#include <components/debug/debuglog.hpp>
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#include <components/misc/strings/format.hpp>
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#include "luastate.hpp"
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namespace LuaUtil
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{
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namespace InputAction
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{
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namespace
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{
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std::string_view typeName(Type actionType)
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{
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switch (actionType)
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{
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case Type::Boolean:
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return "Boolean";
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case Type::Number:
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return "Number";
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case Type::Range:
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return "Range";
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default:
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throw std::logic_error("Unknown input action type");
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}
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}
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}
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MultiTree::Node MultiTree::insert()
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{
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size_t nextId = size();
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mChildren.push_back({});
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mParents.push_back({});
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return nextId;
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}
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bool MultiTree::validateTree() const
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{
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std::vector<bool> complete(size(), false);
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traverse([&complete](Node node) { complete[node] = true; });
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return std::find(complete.begin(), complete.end(), false) == complete.end();
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}
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template <typename Function>
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void MultiTree::traverse(Function callback) const
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{
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std::queue<Node> nodeQueue;
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std::vector<bool> complete(size(), false);
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for (Node root = 0; root < size(); ++root)
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{
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if (!complete[root])
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nodeQueue.push(root);
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while (!nodeQueue.empty())
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{
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Node node = nodeQueue.back();
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nodeQueue.pop();
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bool isComplete = true;
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for (Node parent : mParents[node])
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isComplete = isComplete && complete[parent];
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complete[node] = isComplete;
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if (isComplete)
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{
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callback(node);
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for (Node child : mChildren[node])
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nodeQueue.push(child);
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}
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}
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}
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}
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bool MultiTree::multiEdge(Node target, const std::vector<Node>& source)
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{
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mParents[target].reserve(mParents[target].size() + source.size());
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for (Node s : source)
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{
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mParents[target].push_back(s);
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mChildren[s].push_back(target);
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}
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bool validTree = validateTree();
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if (!validTree)
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{
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for (Node s : source)
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{
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mParents[target].pop_back();
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mChildren[s].pop_back();
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}
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}
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return validTree;
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}
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namespace
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{
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bool validateActionValue(sol::object value, Type type)
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{
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switch (type)
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{
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case Type::Boolean:
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return value.get_type() == sol::type::boolean;
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case Type::Number:
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return value.get_type() == sol::type::number;
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case Type::Range:
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if (value.get_type() != sol::type::number)
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return false;
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double d = value.as<double>();
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return 0.0 <= d && d <= 1.0;
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}
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throw std::invalid_argument("Unknown action type");
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}
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}
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void Registry::insert(const Info& info)
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{
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if (mIds.find(info.mKey) != mIds.end())
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throw std::domain_error(Misc::StringUtils::format("Action key \"%s\" is already in use", info.mKey));
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if (info.mKey.empty())
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throw std::domain_error("Action key can't be an empty string");
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if (info.mL10n.empty())
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throw std::domain_error("Localization context can't be empty");
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if (!validateActionValue(info.mDefaultValue, info.mType))
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throw std::logic_error(Misc::StringUtils::format(
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"Invalid value: \"%s\" for action \"%s\"", LuaUtil::toString(info.mDefaultValue), info.mKey));
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Id id = mBindingTree.insert();
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mKeys.push_back(info.mKey);
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mIds[std::string(info.mKey)] = id;
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mInfo.push_back(info);
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mHandlers.push_back({});
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mBindings.push_back({});
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mValues.push_back(info.mDefaultValue);
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}
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std::optional<std::string> Registry::nextKey(std::string_view key) const
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{
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auto it = mIds.find(key);
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if (it == mIds.end())
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return std::nullopt;
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auto nextId = it->second + 1;
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if (nextId >= mKeys.size())
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return std::nullopt;
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return mKeys.at(nextId);
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}
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std::optional<Info> Registry::operator[](std::string_view actionKey)
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{
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auto iter = mIds.find(actionKey);
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if (iter == mIds.end())
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return std::nullopt;
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return mInfo[iter->second];
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}
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Registry::Id Registry::safeIdByKey(std::string_view key)
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{
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auto iter = mIds.find(key);
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if (iter == mIds.end())
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throw std::logic_error(Misc::StringUtils::format("Unknown action key: \"%s\"", key));
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return iter->second;
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}
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bool Registry::bind(
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std::string_view key, const LuaUtil::Callback& callback, const std::vector<std::string_view>& dependencies)
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{
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Id id = safeIdByKey(key);
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std::vector<Id> dependencyIds;
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dependencyIds.reserve(dependencies.size());
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for (std::string_view s : dependencies)
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dependencyIds.push_back(safeIdByKey(s));
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bool validEdge = mBindingTree.multiEdge(id, dependencyIds);
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if (validEdge)
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mBindings[id].push_back(Binding{
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callback,
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std::move(dependencyIds),
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});
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return validEdge;
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}
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sol::object Registry::valueOfType(std::string_view key, Type type)
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{
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Id id = safeIdByKey(key);
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Info info = mInfo[id];
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if (info.mType != type)
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throw std::logic_error(
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Misc::StringUtils::format("Attempt to get value of type \"%s\" from action \"%s\" with type \"%s\"",
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typeName(type), key, typeName(info.mType)));
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return mValues[id];
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}
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void Registry::update(double dt)
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{
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std::vector<sol::object> dependencyValues;
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mBindingTree.traverse([this, &dependencyValues, dt](Id node) {
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sol::main_object newValue = mValues[node];
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std::vector<Binding>& bindings = mBindings[node];
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bindings.erase(std::remove_if(bindings.begin(), bindings.end(),
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[&](const Binding& binding) {
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if (!binding.mCallback.isValid())
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return true;
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dependencyValues.clear();
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for (Id parent : binding.mDependencies)
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dependencyValues.push_back(mValues[parent]);
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try
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{
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newValue = sol::main_object(
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binding.mCallback.call(dt, newValue, sol::as_args(dependencyValues)));
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}
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catch (std::exception& e)
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{
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if (!validateActionValue(newValue, mInfo[node].mType))
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Log(Debug::Error) << Misc::StringUtils::format(
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"Error due to invalid value of action \"%s\"(\"%s\"): ", mKeys[node],
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LuaUtil::toString(newValue))
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<< e.what();
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else
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Log(Debug::Error) << "Error in callback: " << e.what();
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}
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return false;
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}),
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bindings.end());
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if (!validateActionValue(newValue, mInfo[node].mType))
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Log(Debug::Error) << Misc::StringUtils::format(
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"Invalid value of action \"%s\": %s", mKeys[node], LuaUtil::toString(newValue));
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if (mValues[node] != newValue)
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{
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mValues[node] = sol::object(newValue);
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std::vector<LuaUtil::Callback>& handlers = mHandlers[node];
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handlers.erase(std::remove_if(handlers.begin(), handlers.end(),
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[&](const LuaUtil::Callback& handler) {
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if (!handler.isValid())
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return true;
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handler.tryCall(newValue);
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return false;
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}),
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handlers.end());
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}
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});
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}
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}
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namespace InputTrigger
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{
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Registry::Id Registry::safeIdByKey(std::string_view key)
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{
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auto it = mIds.find(key);
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if (it == mIds.end())
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throw std::domain_error(Misc::StringUtils::format("Unknown trigger key \"%s\"", key));
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return it->second;
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}
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void Registry::insert(const Info& info)
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{
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if (mIds.find(info.mKey) != mIds.end())
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throw std::domain_error(Misc::StringUtils::format("Trigger key \"%s\" is already in use", info.mKey));
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if (info.mKey.empty())
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throw std::domain_error("Trigger key can't be an empty string");
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if (info.mL10n.empty())
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throw std::domain_error("Localization context can't be empty");
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Id id = mIds.size();
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mIds[info.mKey] = id;
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mInfo.push_back(info);
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mHandlers.push_back({});
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}
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std::optional<Info> Registry::operator[](std::string_view key)
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{
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auto iter = mIds.find(key);
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if (iter == mIds.end())
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return std::nullopt;
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return mInfo[iter->second];
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}
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void Registry::registerHandler(std::string_view key, const LuaUtil::Callback& callback)
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{
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Id id = safeIdByKey(key);
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mHandlers[id].push_back(callback);
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}
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void Registry::activate(std::string_view key)
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{
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Id id = safeIdByKey(key);
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std::vector<LuaUtil::Callback>& handlers = mHandlers[id];
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handlers.erase(std::remove_if(handlers.begin(), handlers.end(),
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[&](const LuaUtil::Callback& handler) {
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if (!handler.isValid())
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return true;
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handler.tryCall();
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return false;
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}),
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handlers.end());
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}
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}
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}
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