Files
HydraV3/HydraEngine/source/ecs/systems/HydraLightSystem.cpp
T
2026-07-17 15:30:29 +01:00

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2.2 KiB
C++

#include "HydraLightSystem.h"
#include "../../engine/HydraEngine.h"
#include "../HydraECS.h"
#include "../components/HydraLightComponent.h"
#include "../components/HydraPositionComponent.h"
#include "../../buffer/HydraLightBufferManager.h"
#include "../../buffer/HydraLightBuffer.h"
#include "../../scheduler/HydraTaskScheduler.h"
#include "../../task/buffer/HydraCreateGPUBufferTask.hpp"
#include "../../task/buffer/HydraUpdatePartialGPUBufferTask.hpp"
#include "../../actor/HydraActorManager.h"
#include <GLMIncludes.h>
void HydraLightSystem::Initialise()
{
HydraTaskScheduler *task_scheduler = GetEngine()->TaskScheduler();
HydraID create_gpu_buffer_task_id = task_scheduler->CreateTask<HydraCreateGPUBufferTask>(HydraThreadAffinity::Render);
HydraCreateGPUBufferTask *task = static_cast<HydraCreateGPUBufferTask *>(task_scheduler->GetTask(create_gpu_buffer_task_id));
task->Intialise("LightBuffer", 1, MAX_LIGHTS * sizeof(HydraLightComponent), &m_light_buffer_id, HYDRA_BUFFER_TYPE::HYDRA_SSBO_BUFFER);
task_scheduler->WaitForTask(create_gpu_buffer_task_id);
}
uint32_t HydraLightSystem::GetLightCount()
{
return m_lights.size();
}
void HydraLightSystem::InitialiseComponent(HydraID entity_id)
{
HydraLightBufferManager *light_man = GetEngine()->LightBufferManager();
uint32_t light_count = light_man->GetLightCount();
HydraECS *ecs = GetEngine()->ECS();
HydraPositionComponent &pos_comp = ecs->GetComponent<HydraPositionComponent>(entity_id);
HydraLightComponent &light_comp = ecs->GetComponent<HydraLightComponent>(entity_id);
m_lights.push_back(light_comp);
}
void HydraLightSystem::UpdateSystem(float delta_t_seconds)
{
_WriteToGPU();
}
void HydraLightSystem::_WriteToGPU()
{
void *buffer = static_cast<void *>(m_lights.data());
HydraTaskScheduler *task_scheduler = GetEngine()->TaskScheduler();
HydraID update_buffer_task_id = task_scheduler->CreateTask<HydraUpdatePartialGPUBufferTask>(HydraThreadAffinity::Render);
HydraUpdatePartialGPUBufferTask *task = static_cast<HydraUpdatePartialGPUBufferTask *>(task_scheduler->GetTask(update_buffer_task_id));
task->Intialise(m_light_buffer_id, 0, sizeof(HydraLightComponent) * m_lights.size(), buffer);
task_scheduler->WaitForTask(update_buffer_task_id);
}