TimerManager.ixx File

Manager for game timers and timer command handling. More...

Included Headers

#include <cassert> #include <memory> #include <span> #include <vector> #include <stdexcept> #include <ranges> #include <helios.engine.util.Guid> #include <helios.engine.core.types> #include <helios.engine.runtime.world.UpdateContext> #include <helios.engine.runtime.timing.types.TimerId> #include <helios.engine.runtime.timing.Timer> #include <helios.engine.runtime.world.tags.ManagerRole> #include <helios.engine.runtime.messaging.command.CommandHandlerRegistry> #include <helios.engine.runtime.timing.commands> #include <helios.engine.runtime.timing.types>

Namespaces Index

namespace	helios
namespace	engine
namespace	runtime
namespace	timing

Classes Index

class	TimerManager
	Manager that owns game timers and processes timer control commands. More...

Description

Manager for game timers and timer command handling.

File Listing

The file content with the documentation metadata removed is:

1

5module;

6

7#include <cassert>

8#include <memory>

9#include <span>

10#include <vector>

11#include <stdexcept>

12#include <ranges>

13

14export module helios.engine.runtime.timing.TimerManager;

15

16import helios.engine.runtime.timing.types;

17import helios.engine.runtime.timing.commands;

18

19import helios.engine.runtime.timing.Timer;

20

21import helios.engine.runtime.timing.types.TimerId;

22

23import helios.engine.runtime.world.UpdateContext;

24import helios.engine.runtime.messaging.command.CommandHandlerRegistry;

25

26import helios.engine.core.types;

27import helios.engine.util.Guid;

28import helios.engine.runtime.world.tags.ManagerRole;

29

30using namespace helios::engine::runtime::timing::commands;

31using namespace helios::engine::runtime::timing::types;

32using namespace helios::engine::runtime::timing::types;

33using namespace helios::engine::runtime::world;

34export namespace helios::engine::runtime::timing {

35

47 class TimerManager {

48

52 std::vector<Timer> timers_;

53

57 std::vector<TimerControlContext> pendingControlContexts_;

58

66 [[nodiscard]] bool has(const TimerId timerId) noexcept {

67 return getTimer(timerId) != nullptr;

68 }

69

70

78 Timer& add(const TimerId timerId) noexcept {

79 timers_.emplace_back(Timer(timerId));

80

81 return timers_.back();

82 }

83

84 public:

85 using EngineRoleTag = helios::engine::runtime::world::tags::ManagerRole;

86

96 Timer& addTimer(TimerId timerId) noexcept {

97 assert(!has(timerId) && "Timer with TimerId already registered");

98

99 return add(timerId);

100 }

101

109 Timer* getTimer(const TimerId timerId) {

110 const auto timerIt = std::ranges::find_if(

111 timers_,

112 [&](const auto& timer) {

113 return timer.timerId() == timerId;

114 });

115

116 if (timerIt == timers_.end()) {

117 return nullptr;

118 }

119 return &*timerIt;

120 }

121

127 [[nodiscard]] std::span<Timer> timers() noexcept {

128 return timers_;

129 }

130

140 void flush(

141 helios::engine::runtime::world::UpdateContext& updateContext

142 ) noexcept {

143

144 for (const auto& controlContext : pendingControlContexts_) {

145 auto* timer = getTimer(controlContext.timerId);

146 if (timer) {

147 if (controlContext.resetElapsed) {

148 timer->reset(controlContext.timerState);

149 } else {

150 timer->setState(controlContext.timerState);

151 }

152 }

153 }

154 pendingControlContexts_.clear();

155 }

156

164 bool submit(const TimerControlCommand timerControlCommand) noexcept {

165 pendingControlContexts_.push_back(timerControlCommand.timerControlContext());

166 return true;

167 };

168

174 void init(helios::engine::runtime::messaging::command::CommandHandlerRegistry& commandHandlerRegistry) {

175 commandHandlerRegistry.registerHandler<TimerControlCommand>(*this);

176 }

177

181 void reset() {

182 for (auto& timer : timers_) {

183 timer.reset();

184 }

185 }

186 };

187

188}

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