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genesis-3d_engine/Engine/addons/sky/SkySphere.cc

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genesis-3d engine version 1.3. match the genesis editor version 1.3.0.653.
2014-05-05 14:50:33 +08:00
#include "stdneb.h"
#include "SkySphere.h"
#include "RenderSystem.h"
#include "foundation/io/ioserver.h"
#include "foundation/io/textreader.h"
#include "addons/wjshader/WJShader.h"
#include "addons/wjshader/parser/WJShaderParser.h"
#include "RenderMessageProtocol.h"
#include "GraphicSystem.h"
#include "SkyRender.h"
namespace Sky
{
__ImplementClass(SkySphere,'SSPH', Core::RefCounted)
SkySphere::SkySphere()
: m_pVertices(NULL),
m_nCircles(80),
m_nSteps(70),
m_SkydomeFadingPercent(0.05f),
m_bSmoothSkydomeFading(true)
{
}
SkySphere::~SkySphere()
{
}
void SkySphere::SetUp()
{
//[zhongdaohuan][render_obj]<5D><>ʱɾ<CAB1><C9BE>ʵ<EFBFBD><CAB5>
}
void SkySphere::Destroy()
{
m_VertexBuffer = 0;
m_primitiveGroup = 0;
m_VertexComponents.Clear();
if (m_pVertices != NULL)
{
n_delete_array(m_pVertices);
m_pVertices = NULL;
}
m_CloudMaterial = NULL;
m_MaterialVector.Clear();
}
void SkySphere::CreateSphere()
{
//int numVertices = m_nSteps * m_nCircles + 1;
//int numEle = 6 * m_nSteps * (m_nCircles-1) + 3 * m_nSteps;
//m_VertexComponents.Append(RenderBase::VertexComponent(RenderBase::VertexComponent::Position,0, RenderBase::VertexComponent::Float3));
//m_VertexComponents.Append(RenderBase::VertexComponent(RenderBase::VertexComponent::TexCoord,0, RenderBase::VertexComponent::Float3));
//m_VertexComponents.Append(RenderBase::VertexComponent(RenderBase::VertexComponent::TexCoord,1, RenderBase::VertexComponent::Float2));
//m_VertexComponents.Append(RenderBase::VertexComponent(RenderBase::VertexComponent::TexCoord,2, RenderBase::VertexComponent::Float));
//m_VertexBuffer = RenderBase::VertexBuffer::Create();
//GPtr<RenderBase::IndexBuffer> ib = RenderBase::IndexBuffer::Create();
//unsigned int *indexbuffer = n_new_array(unsigned int, numEle);
//for (IndexT k = 0; k < m_nSteps; k++)
//{
// indexbuffer[k*3] = 0;
// indexbuffer[k*3+1] = k+1;
// if (k != m_nSteps-1)
// {
// indexbuffer[k*3+2] = k+2;
// }
// else
// {
// indexbuffer[k*3+2] = 1;
// }
//}
//for(IndexT y=0; y<m_nCircles-1; y++)
//{
// for(IndexT x=0; x<m_nSteps; x++)
// {
// unsigned int *twoface = indexbuffer + (y*m_nSteps+x)*6 + 3 * m_nSteps;
// int p0 = 1+y * m_nSteps + x ;
// int p1 = 1+y * m_nSteps + x + 1 ;
// int p2 = 1+(y+1)* m_nSteps + x ;
// int p3 = 1+(y+1)* m_nSteps + x + 1 ;
// if (x == m_nSteps-1)
// {
// p1 -= x+1;
// p3 -= x+1;
// }
// // First triangle
// twoface[2]=p0;
// twoface[1]=p1;
// twoface[0]=p2;
// // Second triangle
// twoface[5]=p1;
// twoface[4]=p3;
// twoface[3]=p2;
// }
//}
//ib->Setup(RenderBase::IndexType::Index32, numEle, indexbuffer, numEle * sizeof(unsigned int),
// RenderBase::IndexBuffer::UsageImmutable, RenderBase::IndexBuffer::AccessNone);
//m_primitiveGroup = RenderBase::PrimitiveGroup::Create();
//m_primitiveGroup->SetIndexBuffer(ib);
//m_nIndiceCount = numEle;
//n_delete_array(indexbuffer);
//m_pVertices = n_new_array(POS_UV_VERTEX, 1 + m_nSteps * m_nCircles);
//m_nVerticeCount = 1 + m_nSteps * m_nCircles;
//Math::bbox box = Math::bbox(Math::point(0.0,0.0,0.0), Math::vector(9999999.0,9999999.0,9999999.0));
////SetBoundingBox(box);//[zhongdaohuan][render_obj]<5D><>ʱɾ<CAB1><C9BE>ʵ<EFBFBD><CAB5>
}
void SkySphere::UpdateSphere()
{
/*float TODO_Radius = 1000;
GPtr<Graphic::Camera> camera = Graphic::GraphicSystem::Instance()->GetCameraByType(Graphic::eCO_Main);
if ( camera )
{
TODO_Radius =camera->GetCameraSetting().GetZFar() * 0.95f;
}
m_pVertices[0].pos.set(0.0f, TODO_Radius, 0.0f);
m_pVertices[0].normal.set(0.0f, 1.0f, 0.0f);
m_pVertices[0].uv.set(4.0f, 4.0f);
m_pVertices[0].opacity = 1.0f;
float AngleStep = float( (PI) / (m_nCircles - 1) );
float r, uvr, c, s, sc;
IndexT x, y;
for (y = 0; y<m_nCircles-1; y++)
{
r = Math::n_cos(Math::scalar(PI/2 - AngleStep*(y+1)));
uvr = static_cast<float>(y+1)/(m_nCircles-1);
for(x = 0; x<m_nCircles; x++)
{
c = Math::n_cos( Math::scalar(PI * 2.0f * x / m_nSteps) ) * r;
s = Math::n_sin( Math::scalar(PI * 2.0f * x / m_nSteps) ) * r;
sc = Math::n_sin( Math::n_acos(r));
if( PI/2 - AngleStep*(y+1) < 0.0f )
sc = - sc ;
m_pVertices[1+y*m_nSteps + x].pos.set(c * TODO_Radius, sc * TODO_Radius, s * TODO_Radius);
m_pVertices[1+y*m_nSteps + x].normal.set(c, sc, s);
m_pVertices[1+y*m_nSteps + x].uv.set((1 + c*uvr/r)*4, (1 + s*uvr/r)*4);
m_pVertices[1+y*m_nSteps + x].opacity = 1.0f;
}
}
r = Math::n_cos(AngleStep);
uvr = static_cast<float>(m_nCircles + 1) / (m_nCircles - 1);
for(x = 0; x<m_nSteps; x++)
{
c = Math::n_cos(Math::scalar(PI * 2.0 * x / m_nSteps)) * r;
s = Math::n_sin(Math::scalar(PI * 2.0 * x / m_nSteps)) * r;
m_pVertices[1+(m_nCircles-1)*m_nSteps + x].pos.x() = m_pVertices[1+(m_nCircles-2)*m_nSteps + x].pos.x();
m_pVertices[1+(m_nCircles-1)*m_nSteps + x].pos.y() = m_pVertices[1+(m_nCircles-2)*m_nSteps + x].pos.y() - TODO_Radius*m_SkydomeFadingPercent;
m_pVertices[1+(m_nCircles-1)*m_nSteps + x].pos.z() = m_pVertices[1+(m_nCircles-2)*m_nSteps + x].pos.z();
m_pVertices[1+(m_nCircles-1)*m_nSteps + x].normal.x() = m_pVertices[1+(m_nCircles-2)*m_nSteps + x].normal.x();
m_pVertices[1+(m_nCircles-1)*m_nSteps + x].normal.y() = m_pVertices[1+(m_nCircles-2)*m_nSteps + x].normal.y();
m_pVertices[1+(m_nCircles-1)*m_nSteps + x].normal.z() = m_pVertices[1+(m_nCircles-2)*m_nSteps + x].normal.z();
m_pVertices[1+(m_nCircles-1)*m_nSteps + x].uv.x() = Math::scalar( (1 + c*uvr/r) * 4.0 );
m_pVertices[1+(m_nCircles-1)*m_nSteps + x].uv.y() = Math::scalar( (1 + s*uvr/r) * 4.0 );
m_pVertices[1+(m_nCircles-1)*m_nSteps + x].opacity = float( m_bSmoothSkydomeFading ? 0 : 1 );
}
m_VertexBuffer->Setup(m_VertexComponents, m_nVerticeCount, m_pVertices, m_nVerticeCount * sizeof(POS_UV_VERTEX),
RenderBase::VertexBuffer::UsageImmutable, RenderBase::VertexBuffer::AccessNone);
m_primitiveGroup->SetVertexBuffer(m_VertexBuffer);
m_primitiveGroup->SetBaseVertex(0);
m_primitiveGroup->SetNumVertices(m_nVerticeCount);
m_primitiveGroup->SetBaseIndex(0);
m_primitiveGroup->SetNumIndices(m_nIndiceCount);
m_primitiveGroup->SetPrimitiveTopology(RenderBase::PrimitiveTopology::TriangleList);
if (m_primHandle.IsValid())
{
Graphic::GraphicSystem::Instance()->UpdatePrimitiveGroup(m_primHandle, m_primitiveGroup);
}
else
m_primHandle = Graphic::GraphicSystem::Instance()->CreatePrimitiveGroup(m_primitiveGroup);*/
}
}
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