SpawnAmountProvider.ixx File

Abstract interface for determining spawn quantity. More...

Included Headers

#include <helios.engine.runtime.world.UpdateContext> #include <helios.engine.core.data.GameObjectPoolId> #include <helios.engine.runtime.spawn.policy.SpawnRuleState>

Namespaces Index

namespace	helios
namespace	engine
	Main engine module aggregating core infrastructure and game systems. More...
namespace	runtime
	Runtime infrastructure for game execution and lifecycle orchestration. More...
namespace	spawn
	Entity spawning infrastructure for the helios engine. More...
namespace	policy
	Spawn rules, conditions, and amount providers. More...
namespace	amount
	Spawn amount providers for determining spawn quantities. More...

Classes Index

class	SpawnAmountProvider
	Abstract interface for determining spawn quantity. More...

Description

Abstract interface for determining spawn quantity.

File Listing

The file content with the documentation metadata removed is:

1/**

2 * @file SpawnAmountProvider.ixx

3 * @brief Abstract interface for determining spawn quantity.

4 */

5module;

6

7export module helios.engine.runtime.spawn.policy.amount.SpawnAmountProvider;

8

9import helios.engine.runtime.spawn.policy.SpawnRuleState;

10import helios.engine.core.data.GameObjectPoolId;

11import helios.engine.runtime.world.UpdateContext;

12

13export namespace helios::engine::runtime::spawn::policy::amount {

14

15 /**

16 * @brief Abstract interface for determining spawn quantity.

17 *

18 * @details SpawnAmountProvider defines the strategy for calculating how

19 * many entities should spawn when a rule's condition is satisfied.

20 *

21 * Implementations include:

22 * - **FixedSpawnAmount:** Always returns a fixed count

23 * - **SpawnAmountByCallback:** Delegates to a user-provided function

24 *

25 * @see FixedSpawnAmount

26 * @see SpawnAmountByCallback

27 * @see SpawnRule

28 */

29 class SpawnAmountProvider {

30

31 public:

32

33 virtual ~SpawnAmountProvider() = default;

34

35 /**

36 * @brief Returns the number of entities to spawn.

37 *

38 * @param gameObjectPoolId The pool to spawn from.

39 * @param spawnRuleState The rule's current runtime state.

40 * @param updateContext The current frame's context.

41 *

42 * @return Number of entities to spawn.

43 */

44 [[nodiscard]] virtual size_t getAmount(

45 const helios::engine::core::data::GameObjectPoolId gameObjectPoolId,

46 const SpawnRuleState& spawnRuleState,

47 const helios::engine::runtime::world::UpdateContext& updateContext

48 ) const = 0;

49

50 };

51

52

53}

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