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Standardise and make ECS more robust

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This commit is contained in:
Hugo Mårdbrink 2025-08-28 14:31:55 +02:00
parent b9aaeb62c9
commit 2ba1022f79
13 changed files with 245 additions and 232 deletions
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43
ecs/system_manager.odin
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@ -1,10 +1,14 @@
package ecs
#+private
package ecs
import "base:intrinsics"
import "core:log"
@(private = "file")
EntitySet :: map[EntityID]struct{}
SystemBase :: struct {
entities: map[EntityID]struct{}, // Treat as set
entities: EntitySet
}
SystemManager :: struct {
@ -12,29 +16,30 @@ SystemManager :: struct {
systems: map[typeid]^SystemBase
}
system_manager_create :: proc() -> SystemManager {
system_manager := SystemManager{
signatures = make(map[typeid]Signature, context.allocator),
systems = make(map[typeid]^SystemBase, context.allocator),
}
return system_manager
system_base_init :: proc(system_base: ^SystemBase) {
system_base.entities = make(EntitySet, context.allocator)
}
system_manager_register_system :: proc($T: typeid, system_manager: ^SystemManager) -> ^T {
log.assertf(T not_in system_manager.systems, "Registering system more than once")
log.assertf(intrinsics.type_has_field(T, "entities"), "Registering non system type")
system_manager_init :: proc(system_manager: ^SystemManager) {
system_manager.signatures = make(map[typeid]Signature, context.allocator)
system_manager.systems = make(map[typeid]^SystemBase, context.allocator)
}
system := new(T, context.allocator)
system.entities = make(map[EntityID]struct{})
system_manager.systems[T] = system
system_manager_register_system :: proc(system_manager: ^SystemManager, $System: typeid) -> ^System {
log.assertf(System not_in system_manager.systems, "Registering system more than once")
log.assertf(intrinsics.type_has_field(System, "entities"), "Registering non system type")
system := new(System, context.allocator)
system_base_init(system)
system_manager.systems[System] = system
return system
}
system_manager_set_signature :: proc($T: typeid, system_manager: ^SystemManager, signature: Signature) {
log.assertf(T in system_manager.systems, "System used before registered")
system_manager.signatures[T] = signature
system_manager_set_signature :: proc(system_manager: ^SystemManager, $System: typeid, signature: Signature) {
log.assertf(System in system_manager.systems, "System used before registered")
system_manager.signatures[System] = signature
}
system_manager_destroy_entity :: proc(system_manager: ^SystemManager, entity_id: EntityID) {
@ -54,7 +59,7 @@ system_manager_change_entity_signature :: proc(system_manager: ^SystemManager, e
}
}
system_manager_destroy :: proc(system_manager: ^SystemManager) {
system_manager_delete :: proc(system_manager: ^SystemManager) {
for _, system in system_manager.systems {
delete(system.entities)
free(system)