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 static void setInstanceSelectedStatus(GLMeshVao mesh, int instance_id, bool status)
{
unsafe
{
mesh.dataBuffer[instance_id * instance_struct_size_floats + instance_isSelected_Float_Offset] = status ? 1.0f : 0.0f;
}
}
public static bool getInstanceSelectedStatus(GLMeshVao mesh, int instance_id)
{
unsafe
{
return(mesh.dataBuffer[instance_id * instance_struct_size_floats + instance_isSelected_Float_Offset] > 0.0f);
}
}
public static void setInstanceLODLevel(GLMeshVao mesh, int instance_id, int level)
{
unsafe
{
mesh.dataBuffer[instance_id * instance_struct_size_floats + instance_LOD_Float_Offset] = (float)level;
}
}
public static int getInstanceLODLevel(GLMeshVao mesh, int instance_id, int level)
{
unsafe
{
return((int)mesh.dataBuffer[instance_id * instance_struct_size_floats + instance_LOD_Float_Offset]);
}
}
public static Vector4 getInstanceUniform(GLMeshVao mesh, int instance_id, string un_name)
{
Vector4 un;
unsafe
{
int offset = instanceData_Float_Offset + instance_id * instance_struct_size_floats + instance_Uniforms_Float_Offset;
int uniform_id = 0;
switch (un_name)
{
case "gUserDataVec4":
uniform_id = 0;
break;
}
offset += uniform_id * 4;
un.X = mesh.dataBuffer[offset];
un.Y = mesh.dataBuffer[offset + 1];
un.Z = mesh.dataBuffer[offset + 2];
un.W = mesh.dataBuffer[offset + 3];
}
return(un);
}
//Instance Data Format:
//0-16 : instance WorldMatrix
//16-17: isOccluded
//17-18: isSelected
//18-20: padding
public static int addInstance(ref GLMeshVao mesh, Model m)
{
int instance_id = mesh.instance_count;
//Expand mesh data buffer if required
if (instance_id * instance_struct_size_bytes > mesh.dataBuffer.Length)
{
float[] newBuffer = new float[mesh.dataBuffer.Length + 256];
Array.Copy(mesh.dataBuffer, newBuffer, mesh.dataBuffer.Length);
mesh.dataBuffer = newBuffer;
}
if (instance_id < GLMeshVao.MAX_INSTANCES)
{
//Uplod worldMat to the meshVao
Matrix4 actualWorldMat = m.worldMat;
Matrix4 actualWorldMatInv = (actualWorldMat).Inverted();
setInstanceWorldMat(mesh, instance_id, actualWorldMat);
setInstanceWorldMatInv(mesh, instance_id, actualWorldMatInv);
setInstanceNormalMat(mesh, instance_id, Matrix4.Transpose(actualWorldMatInv));
mesh.instanceRefs.Add(m); //Keep reference
mesh.instance_count++;
}
return(instance_id);
}
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 static void setInstanceOccludedStatus(GLMeshVao mesh, int instance_id, bool status)
{
mesh.visible_instances += (status ? -1 : 1);
unsafe
{
mesh.dataBuffer[instance_id * instance_struct_size_floats + instance_isOccluded_Float_Offset] = status ? 1.0f : 0.0f;
}
}
public static Matrix4 getInstanceNormalMat(GLMeshVao mesh, int instance_id)
{
unsafe
{
fixed(float *ar = mesh.dataBuffer)
{
return(MathUtils.Matrix4FromArray(ar, instance_id * instance_struct_size_floats + instance_normalMat_Float_Offset));
}
}
}
public static Vector3 getInstanceColor(GLMeshVao mesh, int instance_id)
{
float col;
unsafe
{
col = mesh.dataBuffer[instance_id * instance_struct_size_floats + instance_color_Float_Offset];
}
return(new Vector3(col, col, col));
}
public static Matrix4 getInstanceWorldMat(GLMeshVao mesh, int instance_id)
{
unsafe
{
fixed(float *ar = mesh.dataBuffer)
{
int offset = instanceData_Float_Offset + instance_id * instance_struct_size_floats + instance_worldMat_Float_Offset;
return(MathUtils.Matrix4FromArray(ar, offset));
}
}
}
public static void setInstanceNormalMat(GLMeshVao mesh, int instance_id, Matrix4 mat)
{
unsafe
{
fixed(float *ar = mesh.dataBuffer)
{
int offset = instanceData_Float_Offset + instance_id * instance_struct_size_floats + instance_normalMat_Float_Offset;
MathUtils.insertMatToArray16(ar, offset, mat);
}
}
}
protected Joint(Joint input) : base(input)
{
this.jointIndex = input.jointIndex;
this.BindMat = input.BindMat;
this.invBMat = input.invBMat;
this.color = input.color;
meshVao = new GLMeshVao();
instanceId = GLMeshBufferManager.addInstance(ref meshVao, this);
GLMeshBufferManager.setInstanceWorldMat(meshVao, instanceId, Matrix4.Identity);
meshVao.type = TYPES.JOINT;
meshVao.metaData = new MeshMetaData();
//TODO: Find a place to keep references from the joint GLMeshVAOs
meshVao.vao = new Primitives.LineSegment(children.Count, new Vector3(1.0f, 0.0f, 0.0f)).getVAO();
meshVao.material = Common.RenderState.activeResMgr.GLmaterials["jointMat"];
}
//Save GLMeshVAO to gobject
public bool saveGLMeshVAO(ulong hash, string matname, GLMeshVao meshVao)
{
if (GLMeshVaos.ContainsKey(hash))
{
if (GLMeshVaos[hash].ContainsKey(matname))
{
Console.WriteLine("MeshVao already in the dictionary, nothing to do...");
return(false);
}
}
else
{
GLMeshVaos[hash] = new Dictionary <string, GLMeshVao>();
}
GLMeshVaos[hash][matname] = meshVao;
return(true);
}
public static void setInstanceUniform4(GLMeshVao mesh, int instance_id, string un_name, Vector4 un)
{
unsafe
{
int offset = instanceData_Float_Offset + instance_id * instance_struct_size_floats + instance_Uniforms_Float_Offset;
int uniform_id = 0;
switch (un_name)
{
case "gUserDataVec4":
uniform_id = 0;
break;
}
offset += uniform_id * 4;
mesh.dataBuffer[offset] = un.X;
mesh.dataBuffer[offset + 1] = un.Y;
mesh.dataBuffer[offset + 2] = un.Z;
mesh.dataBuffer[offset + 3] = un.W;
}
}
//Overload with transform overrides
public static int addInstance(GLMeshVao mesh, Model m, Matrix4 worldMat, Matrix4 worldMatInv, Matrix4 normMat)
{
int instance_id = mesh.instance_count;
//Expand mesh data buffer if required
if (instance_id * instance_struct_size_bytes > mesh.dataBuffer.Length)
{
float[] newBuffer = new float[mesh.dataBuffer.Length + 256];
Array.Copy(mesh.dataBuffer, newBuffer, mesh.dataBuffer.Length);
mesh.dataBuffer = newBuffer;
}
if (instance_id < GLMeshVao.MAX_INSTANCES)
{
setInstanceWorldMat(mesh, instance_id, worldMat);
setInstanceWorldMatInv(mesh, instance_id, worldMatInv);
setInstanceNormalMat(mesh, instance_id, normMat);
mesh.instanceRefs.Add(m); //Keep reference
mesh.instance_count++;
}
return(instance_id);
}
public static void clearInstances(GLMeshVao mesh)
{
mesh.instanceRefs.Clear();
mesh.instance_count = 0;
}
public static void removeInstance(GLMeshVao mesh, Model m)
{
int id = mesh.instanceRefs.IndexOf(m);
//TODO: Make all the memory shit to push the instances backwards
}
