protected Light(Light input) : base(input)
{
Color = input.Color;
intensity = input.intensity;
falloff = input.falloff;
fov = input.fov;
light_type = input.light_type;
strct = input.strct;
//Initialize new MeshVao
meshVao = new GLMeshVao();
meshVao.type = TYPES.LIGHT;
meshVao.vao = new Primitives.LineSegment(1, new Vector3(1.0f, 0.0f, 0.0f)).getVAO();
meshVao.metaData = new MeshMetaData();
meshVao.metaData.batchcount = 2;
meshVao.material = RenderState.activeResMgr.GLmaterials["lightMat"];
instanceId = GLMeshBufferManager.addInstance(ref meshVao, this); //Add instance
//Copy Matrices
lightProjectionMatrix = input.lightProjectionMatrix;
lightSpaceMatrices = new Matrix4[6];
for (int i = 0; i < 6; i++)
{
lightSpaceMatrices[i] = input.lightSpaceMatrices[i];
}
update_struct();
RenderState.activeResMgr.GLlights.Add(this);
}
public Light()
{
type = TYPES.LIGHT;
fov = 360;
intensity = 1.0f;
falloff = ATTENUATION_TYPE.CONSTANT;
light_type = LIGHT_TYPE.POINT;
//Initialize new MeshVao
meshVao = new GLMeshVao();
meshVao.type = TYPES.LIGHT;
meshVao.vao = new Primitives.LineSegment(1, new Vector3(1.0f, 0.0f, 0.0f)).getVAO();
meshVao.metaData = new MeshMetaData();
meshVao.metaData.batchcount = 2;
meshVao.material = Common.RenderState.activeResMgr.GLmaterials["lightMat"];
instanceId = GLMeshBufferManager.addInstance(ref meshVao, this); // Add instance
//Init projection Matrix
lightProjectionMatrix = Matrix4.CreatePerspectiveFieldOfView(MathUtils.radians(90), 1.0f, 1.0f, 300f);
//Init lightSpace Matrices
lightSpaceMatrices = new Matrix4[6];
for (int i = 0; i < 6; i++)
{
lightSpaceMatrices[i] = Matrix4.Identity * lightProjectionMatrix;
}
//Catch changes to MVector from the UI
color = new MVector4(1.0f);
color.PropertyChanged += catchPropertyChanged;
}
public override void updateMeshInfo(bool lod_filter = false)
{
if (lod_filter)
{
strct.position.W = 0.0f; //Force not renderable
base.updateMeshInfo();
RenderStats.occludedNum += 1;
}
else if (RenderState.renderViewSettings.RenderLights && renderable)
{
//End Point
Vector4 ep;
//Lights with 360 FOV are points
if (Math.Abs(FOV - 360.0f) <= 1e-4)
{
ep = new Vector4(0.0f, 0.0f, 0.0f, 1.0f);
light_type = LIGHT_TYPE.POINT;
}
else
{
ep = new Vector4(0.0f, 0.0f, -1.0f, 0.0f);
light_type = LIGHT_TYPE.SPOT;
}
ep = ep * _localRotation;
direction = ep.Xyz; //Set spotlight direction
update_struct();
//Update Vertex Buffer based on the new data
float[] verts = new float[6];
int arraysize = 6 * sizeof(float);
//Origin Point
verts[0] = worldPosition.X;
verts[1] = worldPosition.Y;
verts[2] = worldPosition.Z;
ep.X += worldPosition.X;
ep.Y += worldPosition.Y;
ep.Z += worldPosition.Z;
verts[3] = ep.X;
verts[4] = ep.Y;
verts[5] = ep.Z;
GL.BindVertexArray(meshVao.vao.vao_id);
GL.BindBuffer(BufferTarget.ArrayBuffer, meshVao.vao.vertex_buffer_object);
//Add verts data, color data should stay the same
GL.BufferSubData(BufferTarget.ArrayBuffer, (IntPtr)0, (IntPtr)arraysize, verts);
//Uplod worldMat to the meshVao
instanceId = GLMeshBufferManager.addInstance(meshVao, this, Matrix4.Identity, Matrix4.Identity, Matrix4.Identity); //Add instance
}
else
{
base.updateMeshInfo();
updated = false; //All done
}
}
protected override void LoadSpecialized(BinaryReader _R)
{
m_LightType = (LIGHT_TYPE)_R.ReadByte();
m_Color = new float3(_R.ReadSingle(), _R.ReadSingle(), _R.ReadSingle());
m_Intensity = _R.ReadSingle();
m_HotSpot = _R.ReadSingle();
m_ConeAngle = _R.ReadSingle();
}
public Light(Scene _Owner, idTech5Map.Map.Entity _Entity) : base(_Owner, _Entity)
{
m_LightType = LIGHT_TYPE.POINT;
// TODO
// m_LightType = (LIGHT_TYPE) _Light.Type;
// m_Color.FromVector3( _Light.Color );
// m_Intensity = _Light.Intensity;
// m_HotSpot = _Light.HotSpot;
// m_ConeAngle = _Light.ConeAngle;
}
public Light(Scene _Owner, FBX.Scene.Nodes.Node _Node) : base(_Owner, _Node)
{
FBX.Scene.Nodes.Light _Light = _Node as FBX.Scene.Nodes.Light;
m_LightType = (LIGHT_TYPE)_Light.Type;
m_Color.FromVector3(_Light.Color);
m_Intensity = _Light.Intensity;
m_HotSpot = _Light.HotSpot;
m_ConeAngle = _Light.ConeAngle;
}
public override void update()
{
base.update();
//End Point
Vector4 ep;
//Lights with 360 FOV are points
if (Math.Abs(FOV - 360.0f) <= 1e-4)
{
ep = new Vector4(0.0f, 0.0f, 0.0f, 1.0f);
ep = ep * _localRotation;
light_type = LIGHT_TYPE.POINT;
}
else
{
ep = new Vector4(0.0f, 0.0f, -1.0f, 0.0f);
ep = ep * _localRotation;
light_type = LIGHT_TYPE.SPOT;
}
ep.Normalize();
direction = ep.Xyz; //Set spotlight direction
update_struct();
//Assume that this is a point light for now
//Right
lightSpaceMatrices[0] = Matrix4.LookAt(worldPosition,
worldPosition + new Vector3(1.0f, 0.0f, 0.0f),
new Vector3(0.0f, -1.0f, 0.0f));
//Left
lightSpaceMatrices[1] = Matrix4.LookAt(worldPosition,
worldPosition + new Vector3(-1.0f, 0.0f, 0.0f),
new Vector3(0.0f, -1.0f, 0.0f));
//Up
lightSpaceMatrices[2] = Matrix4.LookAt(worldPosition,
worldPosition + new Vector3(0.0f, -1.0f, 0.0f),
new Vector3(0.0f, 0.0f, 1.0f));
//Down
lightSpaceMatrices[3] = Matrix4.LookAt(worldPosition,
worldPosition + new Vector3(0.0f, 1.0f, 0.0f),
new Vector3(0.0f, 0.0f, 1.0f));
//Near
lightSpaceMatrices[4] = Matrix4.LookAt(worldPosition,
worldPosition + new Vector3(0.0f, 0.0f, 1.0f),
new Vector3(0.0f, -1.0f, 0.0f));
//Far
lightSpaceMatrices[5] = Matrix4.LookAt(worldPosition,
worldPosition + new Vector3(0.0f, 0.0f, -1.0f),
new Vector3(0.0f, -1.0f, 0.0f));
}
public Light(BinaryReader br)
{
TotalSize = br.ReadUInt32();
long end = br.BaseStream.Position + TotalSize;
ObjSize = br.ReadUInt32();
Name = br.ReadCString(Constants.SizeName);
ObjectId = br.ReadInt32();
ParentId = br.ReadInt32();
Flags = (GENOBJECTFLAGS)br.ReadUInt32();
LoadTracks(br);
Type = (LIGHT_TYPE)br.ReadInt32();
AttenuationStart = br.ReadSingle();
AttenuationEnd = br.ReadSingle();
Color = new CVector3(br);
Intensity = br.ReadSingle();
AmbientColor = new CVector3(br); // added at version 700
AmbientIntensity = br.ReadSingle(); // added at version 700
while (br.BaseStream.Position < end && !br.AtEnd())
{
string tagname = br.ReadString(4);
switch (tagname)
{
case "KLAI": IntensityKeys = new Track <float>(br); break;
case "KLBI": AmbIntensityKeys = new Track <float>(br); break;
case "KVIS": VisibilityKeys = new Track <float>(br); break;
case "KLAC": ColorKeys = new Track <CVector3>(br, true); break;
case "KLBC": AmbColorKeys = new Track <CVector3>(br, true); break;
case "KLAS": AttenStartKeys = new Track <float>(br); break;
case "KLAE": AttenEndKeys = new Track <float>(br); break;
default:
br.BaseStream.Position -= 4;
return;
}
}
}
protected override void LoadSpecific(System.IO.BinaryReader _Reader)
{
m_Type = (LIGHT_TYPE)_Reader.ReadInt32();
m_Color.X = _Reader.ReadSingle();
m_Color.Y = _Reader.ReadSingle();
m_Color.Z = _Reader.ReadSingle();
m_Intensity = _Reader.ReadSingle();
m_bCastShadow = _Reader.ReadBoolean();
m_bEnableNearAttenuation = _Reader.ReadBoolean();
m_NearAttenuationStart = _Reader.ReadSingle();
m_NearAttenuationEnd = _Reader.ReadSingle();
m_bEnableFarAttenuation = _Reader.ReadBoolean();
m_FarAttenuationStart = _Reader.ReadSingle();
m_FarAttenuationEnd = _Reader.ReadSingle();
m_HotSpot = _Reader.ReadSingle();
m_ConeAngle = _Reader.ReadSingle();
m_DecayType = (DECAY_TYPE)_Reader.ReadInt32();
m_DecayStart = _Reader.ReadSingle();
m_TempTargetNodeID = _Reader.ReadInt32();
}
protected override void LoadSpecific( System.IO.BinaryReader _Reader )
{
m_Type = (LIGHT_TYPE) _Reader.ReadInt32();
m_Color.X = _Reader.ReadSingle();
m_Color.Y = _Reader.ReadSingle();
m_Color.Z = _Reader.ReadSingle();
m_Intensity = _Reader.ReadSingle();
m_bCastShadow = _Reader.ReadBoolean();
m_bEnableNearAttenuation = _Reader.ReadBoolean();
m_NearAttenuationStart = _Reader.ReadSingle();
m_NearAttenuationEnd = _Reader.ReadSingle();
m_bEnableFarAttenuation = _Reader.ReadBoolean();
m_FarAttenuationStart = _Reader.ReadSingle();
m_FarAttenuationEnd = _Reader.ReadSingle();
m_HotSpot = _Reader.ReadSingle();
m_ConeAngle = _Reader.ReadSingle();
m_DecayType = (DECAY_TYPE) _Reader.ReadInt32();
m_DecayStart = _Reader.ReadSingle();
m_TempTargetNodeID = _Reader.ReadInt32();
}
protected override void LoadSpecialized( BinaryReader _R )
{
m_LightType = (LIGHT_TYPE) _R.ReadByte();
m_Color = new float3( _R.ReadSingle(), _R.ReadSingle(), _R.ReadSingle() );
m_Intensity = _R.ReadSingle();
m_HotSpot = _R.ReadSingle();
m_ConeAngle = _R.ReadSingle();
}
public Light( Scene _Owner, idTech5Map.Map.Entity _Entity )
: base(_Owner, _Entity)
{
m_LightType = LIGHT_TYPE.POINT;
// TODO
// m_LightType = (LIGHT_TYPE) _Light.Type;
// m_Color.FromVector3( _Light.Color );
// m_Intensity = _Light.Intensity;
// m_HotSpot = _Light.HotSpot;
// m_ConeAngle = _Light.ConeAngle;
}
public Light( Scene _Owner, FBX.Scene.Nodes.Node _Node )
: base(_Owner, _Node)
{
FBX.Scene.Nodes.Light _Light = _Node as FBX.Scene.Nodes.Light;
m_LightType = (LIGHT_TYPE) _Light.Type;
m_Color.FromVector3( _Light.Color );
m_Intensity = _Light.Intensity;
m_HotSpot = _Light.HotSpot;
m_ConeAngle = _Light.ConeAngle;
}
