LightSystem.cpp

#include "LightSystem.h"

class CLevelLoadListener: public IEventListener<XEventLevel>
{
public:
	CLevelLoadListener(CLightSystem *pLightSystem, IXCore *pCore):
		m_pLightSystem(pLightSystem)
	{
		m_pLevelSizeChannel = pCore->getEventChannel<XEventLevelSize>(EVENT_LEVEL_GET_SIZE_GUID);
	}

	void onEvent(const XEventLevel *pEvent) override
	{
		switch(pEvent->type)
		{
		case XEventLevel::TYPE_LOAD_END:
			XEventLevelSize levelSize;
			m_pLevelSizeChannel->broadcastEvent(&levelSize);

			m_pLightSystem->setLevelSize(levelSize.vMin, levelSize.vMax);
			break;
		}
	}

private:
	CLightSystem *m_pLightSystem;
	IEventChannel<XEventLevelSize> *m_pLevelSizeChannel = NULL;
};

//##########################################################################

CLightSystem::CLightSystem(IXCore *pCore):
	m_pCore(pCore)
{
	Core_0RegisterCVarFloat("lpv_size_0", 1.0f, "Коэфициент размера первого каскада LPV");
	Core_0RegisterCVarFloat("lpv_size_1", 2.0f, "Коэфициент размера второго каскада LPV");
	Core_0RegisterCVarFloat("lpv_size_2", 4.0f, "Коэфициент размера третьего каскада LPV");
	Core_0RegisterCVarInt("lpv_cascades_count", 3, "Количество активных каскадов LPV [0;3]");

	m_pLevelListener = new CLevelLoadListener(this, pCore);

	m_pLevelChannel = pCore->getEventChannel<XEventLevel>(EVENT_LEVEL_GUID);
	m_pLevelChannel->addListener(m_pLevelListener);

	m_pDevice = SGCore_GetDXDevice();

	m_pMaterialSystem = (IXMaterialSystem*)pCore->getPluginManager()->getInterface(IXMATERIALSYSTEM_GUID);

	if(m_pDevice)
	{
		{
			const UINT uSize = 32;
			m_uGICubesCount = uSize * uSize * uSize;
			float3_t *pData = new float3_t[m_uGICubesCount];
			float fHalf = (float)uSize / 2.0f;
			for(UINT x = 0; x < uSize; ++x)
			{
				for(UINT y = 0; y < uSize; ++y)
				{
					for(UINT z = 0; z < uSize; ++z)
					{
						pData[x + y * uSize + z * uSize * uSize] = (float3)(float3((float)x, (float)y, (float)z) - float3(fHalf));
					}
				}
			}
			IGXVertexBuffer *pVB = m_pDevice->createVertexBuffer(sizeof(float3_t) * m_uGICubesCount, GXBUFFER_USAGE_STATIC, pData);
			mem_delete_a(pData);

			GXVertexElement oLayout[] =
			{