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#pragma once
#include "Runtime/Geometry/AABB.h"
#include "Runtime/GfxDevice/GfxDeviceConfigure.h"
#include "Runtime/Utilities/LinkedList.h"
#include "Runtime/Camera/CullResults.h"
#include "Runtime/Camera/LightTypes.h"
class Light;
struct ShadowCullData;
class ColorRGBAf;
class BuiltinShaderParamValues;
namespace Umbra { class OcclusionBuffer; }
const int kMaxForwardVertexLights = 4;
// We reserve light buffers for this number of lights per object (in forward/vertex lit)
const int kEstimatedLightsPerObject = 3;
class LightManager
{
public:
LightManager ();
~LightManager ();
static void InitializeClass ();
static void CleanupClass ();
// Figures out and sorts lights for the object
// Puts results in dest as VertexLightsBlock + variable number of lights
void FindVertexLightsForObject (dynamic_array<UInt8>& dest, const UInt32* lightIndices, UInt32 lightCount, const ActiveLights& activeLights, const VisibleNode& node);
// Figures out and sorts lights for the object
// Puts results in dest as ForwardLightsBlock + variable number of lights
void FindForwardLightsForObject (dynamic_array<UInt8>& dest, const UInt32* lightIndices, UInt32 lightCount, const ActiveLights& activeLights, const VisibleNode& node, bool lightmappedObject, bool dualLightmapsMode, bool useVertexLights, int maxAutoAddLights, bool disableAddLights, const ColorRGBAf& ambient);
static void SetupVertexLights (int lightCount, const ActiveLight* const* lights);
static void SetupForwardBaseLights (const ForwardLightsBlock& lights);
static void SetupForwardAddLight (Light* light, float blend);
void AddLight (Light* source);
void RemoveLight (Light* source);
typedef List<Light> Lights;
Lights& GetAllLights () { return m_Lights; }
const Lights& GetAllLights () const { return m_Lights; }
///Terrain engine only
UNITY_VECTOR(kMemRenderer, Light*) GetLights (LightType type, int layer);
Light* GetLastMainLight() { return m_LastMainLight; }
private:
Lights m_Lights;
Light* m_LastMainLight; // brightest directional light found in last render
};
void SetSHConstants (const float sh[9][3], BuiltinShaderParamValues& params);
LightManager& GetLightManager();
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