// Draw and process routines
private void DrawProcessedLOD(ref TreeSystemLODData[] data, ref int maxLod3D, ref TreeSystemLODInstance lodInst, ref TreeSystemStoredInstance inst, ref bool shadowsOnly)
{
int lod = lodInst.m_LODLevel;
// Draw the stuff with the material specific for each LOD
Draw3DLOD(ref data[lod], ref lodInst, ref inst, ref shadowsOnly);
}
public void Draw3DLOD(TreeSystemLODData data, ref TreeSystemLODInstance inst)
{
// data.m_Block.SetVector(system.m_ShaderIDFadeLOD, new Vector4(inst.m_LODTransition, inst.m_LODFullFade, 0, 0));
for (int mat = 0; mat < data.m_Materials.Length; mat++)
{
Graphics.DrawMesh(data.m_Mesh, transform.localToWorldMatrix, data.m_Materials[mat], mat, null, mat, data.m_Block, true, true);
}
}
public void Draw3DLOD(ref TreeSystemLODData data, ref TreeSystemLODInstance lodInst, ref TreeSystemStoredInstance inst)
{
data.m_Block.SetVector(m_ShaderIDFadeLOD, new Vector4(lodInst.m_LODTransition, lodInst.m_LODFullFade, 0, 0));
for (int mat = 0; mat < data.m_Materials.Length; mat++)
{
Graphics.DrawMesh(data.m_Mesh, inst.m_PositionMtx, data.m_Materials[mat], 0, null, mat, data.m_Block, true, true);
m_DataIssuesDrawCalls++;
}
}
public void DrawProcessedLOD(TreeSystemLODData[] data, ref TreeSystemLODInstance inst)
{
int lod = inst.m_LODLevel;
// Draw the stuff with the material specific for each LOD
Draw3DLOD(data[lod], ref inst);
if (lod == protoData.m_MaxLod3DIndex && inst.m_LODFullFade < 1)
{
// Since we only need for the last 3D lod the calculations...
DrawBillboardLOD(data[lod + 1], ref inst);
}
}
// Draw and process routines
private void DrawProcessedLOD(ref TreeSystemLODData[] data, ref int maxLod3D, ref TreeSystemLODInstance lodInst, ref TreeSystemStoredInstance inst, ref bool shadowsOnly)
{
int lod = lodInst.m_LODLevel;
// Draw the stuff with the material specific for each LOD
Draw3DLOD(ref data[lod], ref lodInst, ref inst, ref shadowsOnly);
if (lod == maxLod3D && lodInst.m_LODFullFade < 1)
{
// Since we only need for the last 3D lod the calculations...
DrawBillboardLOD(ref data[lod + 1], ref lodInst, ref inst);
}
}
public void Draw3DLOD(ref TreeSystemLODData data, ref TreeSystemLODInstance lodInst, ref TreeSystemStoredInstance inst)
{
m_TempLOD[0] = lodInst.m_LODTransition;
data.m_Block.SetFloatArray(m_ShaderIDFadeLODDetail, m_TempLOD);
m_TempLOD[0] = lodInst.m_LODFullFade;
data.m_Block.SetFloatArray(m_ShaderIDFadeLODFull, m_TempLOD);
for (int mat = 0; mat < data.m_Materials.Length; mat++)
{
Graphics.DrawMesh(data.m_Mesh, inst.m_PositionMtx, data.m_Materials[mat], m_UsedLayerId, m_UsedCamera, mat, data.m_Block, true, true);
m_DataIssuesDrawCalls++;
}
}
public void Draw3DLOD(ref TreeSystemLODData data, ref TreeSystemLODInstance lodInst, ref TreeSystemStoredInstance inst, ref bool shadowsOnly)
{
m_TempLOD[0] = lodInst.m_LODTransition;
data.m_Block.SetFloatArray(m_ShaderIDFadeLODDetail, m_TempLOD);
m_TempLOD[0] = lodInst.m_LODFullFade;
data.m_Block.SetFloatArray(m_ShaderIDFadeLODFull, m_TempLOD);
for (int mat = 0; mat < data.m_Materials.Length; mat++)
{
Graphics.DrawMesh(data.m_Mesh, inst.m_PositionMtx, data.m_Materials[mat], m_UsedLayerId, m_Settings.m_UsedCamera, mat, data.m_Block,
shadowsOnly == false ? UnityEngine.Rendering.ShadowCastingMode.On : UnityEngine.Rendering.ShadowCastingMode.ShadowsOnly,
true);
m_DataIssuesDrawCalls++;
}
}
public void DrawBillboardLOD(ref TreeSystemLODData data, ref TreeSystemLODInstance lodInst, ref TreeSystemStoredInstance inst)
{
data.m_Block.SetVector(m_ShaderIDFadeLOD, new Vector4(lodInst.m_LODTransition, 1.0f - lodInst.m_LODFullFade, 0, 0));
// Set extra scale and stuff
Vector4 extra = inst.m_WorldScale;
extra.w = inst.m_WorldRotation;
data.m_Block.SetVector(m_ShaderIDBillboardScaleRotation, extra);
for (int mat = 0; mat < data.m_Materials.Length; mat++)
{
Graphics.DrawMesh(data.m_Mesh, inst.m_PositionMtx, data.m_Materials[mat], 0, null, mat, data.m_Block, true, true);
m_DataIssuesDrawCalls++;
}
}
/**
* Must be called only if the camera distance is smaller than the maximum tree view distance.
*/
private void ProcessLOD(ref TreeSystemLODData[] data, ref int max3DLOD, ref TreeSystemLODInstance inst, ref float cameraDistance)
{
if (cameraDistance <= m_Settings.m_MaxTreeDistance + m_Settings.m_LODTranzitionThreshold)
{
for (int i = 0; i < data.Length - 1; i++)
{
if (data[i].IsInRange(cameraDistance))
{
// Calculate lod tranzition value
if (cameraDistance > data[i].m_EndDistance - m_Settings.m_LODTranzitionThreshold)
{
inst.m_LODTransition = 1.0f - (data[i].m_EndDistance - cameraDistance) / m_Settings.m_LODTranzitionThreshold;
}
else
{
inst.m_LODTransition = 0.0f;
}
inst.m_LODLevel = i;
break;
}
}
if (inst.m_LODLevel == max3DLOD && inst.m_LODFullFade < 1)
{
// If we are the last 3D lod then we animate nicely
inst.m_LODFullFade += Time.deltaTime * m_Settings.m_LODFadeSpeed;
}
else if (inst.m_LODFullFade < 1)
{
// If we are not the lost LOD level simply set the value to 1
inst.m_LODFullFade = 1f;
}
}
else
{
inst.m_LODLevel = max3DLOD;
if (inst.m_LODFullFade > 0)
{
inst.m_LODFullFade -= Time.deltaTime * m_Settings.m_LODFadeSpeed;
}
}
}
public void DrawBillboardLOD(ref TreeSystemLODData data, ref TreeSystemLODInstance lodInst, ref TreeSystemStoredInstance inst)
{
data.m_Block.SetVector(m_ShaderIDFadeBillboard, new Vector4(lodInst.m_LODTransition, 1.0f - lodInst.m_LODFullFade, 0, 0));
// Set extra scale and stuff
Vector4 extra = inst.m_WorldScale;
extra.w = inst.m_WorldRotation;
// Set positions used in shader
data.m_Block.SetVector(m_ShaderIDBillboardScaleRotation, extra);
m_BillboardTempPos.m03 = inst.m_WorldPosition.x;
m_BillboardTempPos.m13 = inst.m_WorldPosition.y;
m_BillboardTempPos.m23 = inst.m_WorldPosition.z;
for (int mat = 0; mat < data.m_Materials.Length; mat++)
{
Graphics.DrawMesh(data.m_Mesh, m_BillboardTempPos, data.m_Materials[mat], m_UsedLayerId, m_Settings.m_UsedCamera, mat, data.m_Block, true, true);
m_DataIssuesDrawCalls++;
}
}
/**
* Must be called only if the camera distance is smaller than the maximum tree view distance.
*/
public void ProcessLOD(TreeSystemLODData[] data, ref TreeSystemLODInstance inst, ref float cameraDistance)
{
if (cameraDistance < procDistance)
{
for (int i = 0; i < data.Length - 1; i++)
{
if (data[i].IsInRange(cameraDistance))
{
// Calculate lod tranzition value
if (cameraDistance > data[i].m_EndDistance - THRESHOLD)
{
inst.m_LODTransition = 1.0f - (data[i].m_EndDistance - cameraDistance) / THRESHOLD;
}
else
{
inst.m_LODTransition = 0.0f;
}
inst.m_LODLevel = i;
break;
}
}
if (inst.m_LODFullFade < 1)
{
inst.m_LODFullFade += Time.deltaTime * m_FadeSpeed;
}
}
else
{
inst.m_LODLevel = 2;
if (inst.m_LODFullFade >= 0)
{
inst.m_LODFullFade -= Time.deltaTime * m_FadeSpeed;
}
}
}
