StateToViewportPolicyUpdateSystem.ixx File

System that updates active viewports based on game/match state. More...

Included Headers

#include <cassert> #include <vector> #include <helios.engine.rendering.viewport.types.ViewportHandle> #include <helios.engine.state.StateToIdMapPair> #include <helios.engine.runtime.world.tags.SystemRole> #include <helios.engine.runtime.world.UpdateContext> #include <helios.engine.runtime.world.Session> #include <helios.engine.runtime.world.GameWorld>

Namespaces Index

namespace	helios
namespace	engine
namespace	rendering
namespace	viewport
namespace	systems

Classes Index

class	StateToViewportPolicyUpdateSystem<StateLft, StateRgt>
	Updates the session's active viewport list based on state policy. More...

Description

System that updates active viewports based on game/match state.

File Listing

The file content with the documentation metadata removed is:

1

5module;

6

7

8#include <cassert>

9#include <vector>

10

11export module helios.engine.rendering.viewport.systems.StateToViewportPolicyUpdateSystem;

12

13import helios.engine.runtime.world.GameWorld;

14import helios.engine.runtime.world.Session;

15

16import helios.engine.state.StateToIdMapPair;

17

18import helios.engine.runtime.world.UpdateContext;

19import helios.engine.rendering.viewport.types.ViewportHandle;

20import helios.engine.runtime.world.tags.SystemRole;

21

22using namespace helios::engine::state;

23using namespace helios::engine::rendering::viewport::types;

24export namespace helios::engine::rendering::viewport::systems {

25

55 template<typename StateLft, typename StateRgt>

56 class StateToViewportPolicyUpdateSystem {

57

61 StateToIdMapPair<StateLft, StateRgt, ViewportHandle> stateToIdMapPair_;

62

63 public:

64

65 using EngineRoleTag = helios::engine::runtime::world::tags::SystemRole;

66

72 explicit StateToViewportPolicyUpdateSystem(StateToIdMapPair<StateLft, StateRgt, ViewportHandle> stateToIdMapPair)

73 : stateToIdMapPair_(std::move(stateToIdMapPair)){}

74

83 void update(helios::engine::runtime::world::UpdateContext& updateContext) noexcept {

84

85 auto& session = updateContext.session();

86

87 auto gameState = session.state<StateLft>();

88 auto matchState = session.state<StateRgt>();

89

90 session.clearViewportHandles();

91

92 auto viewportIds = stateToIdMapPair_.ids(gameState, matchState);

93 session.setViewportHandles(viewportIds);

94

95

96

97

98 }

99

100 };

101

102}

103

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