//------------------------------------------------------------------------------------
Mesh* SceneManager::CreatePlaneMesh( float w, float h )
{
float halfW = w / 2;
float halfH = h / 2;
SVertex vert[4] =
{
SVertex(VEC3(-w,0,+h), VEC2(0,0), VEC3::UNIT_Y),
SVertex(VEC3(+w,0,+h), VEC2(1,0), VEC3::UNIT_Y),
SVertex(VEC3(+w,0,-h), VEC2(1,1), VEC3::UNIT_Y),
SVertex(VEC3(-w,0,-h), VEC2(0,1), VEC3::UNIT_Y),
};
DWORD dwIndex[6] = {0,1,3,1,2,3};
Mesh* pMesh = new Mesh;
SubMesh* pSubmesh = new SubMesh;
pSubmesh->InitVertData(eVertexType_General, vert, 4, true);
pSubmesh->InitIndexData(dwIndex, 6, true);
pMesh->AddSubMesh(pSubmesh);
return pMesh;
}
//------------------------------------------------------------------------------------
void TerrainQuadTreeNode::CreateEntity()
{
// Create the entity.
if (isRenderedAtCurrentLod() && !mEntity)
{
Mesh* pMesh = new Mesh;
SubMesh* pSubmesh = new SubMesh;
pMesh->SetPrimitiveType(ePrimitive_TriangleStrip);
pSubmesh->InitTerrainVertData(getVertexDataRecord()->gpuPosVertexBuf, getVertexDataRecord()->gpuDeltaVertexBuf,
mLodLevels[mCurrentLod]->pIndexBuf, mLodLevels[mCurrentLod]->nIndexCount);
pMesh->AddSubMesh(pSubmesh);
mEntity = new Entity(pMesh);
mEntity->SetCastShadow(false);
// vertex data is generated in terrain space
mEntity->SetPosition(mTerrain->getPosition());
static uint32 iMat = 0;
++iMat;
char szMatName[64];
sprintf_s(szMatName, 64, "Mtl_TerrainSector_%d", iMat);
Material* pMaterial = MaterialManager::GetSingleton().NewMaterial(szMatName, eVertexType_Terrain);
pMaterial->SetTexture(0, mTerrain->getTerrainNormalMap());
pMaterial->SetTexture(1, mTerrain->getLayerBlendTexture(0));
SSamplerDesc& samDesc = pMaterial->GetSamplerStateDesc(0);
samDesc.AddressU = eTextureAddressMode_WRAP;
samDesc.AddressV = eTextureAddressMode_WRAP;
samDesc.Filter = SF_MIN_MAG_MIP_LINEAR;
pMaterial->SetSamplerStateDesc(0, samDesc);
pMaterial->SetSamplerStateDesc(1, samDesc);
for (uint32 i = 0; i < mTerrain->getLayerCount(); ++i)
{
pMaterial->SetTexture(2+i*2, g_env.pRenderer->GetRenderSys()->LoadTexture(mTerrain->getLayerTextureName(i, 0), eTextureType_2D, 0, true));
pMaterial->SetTexture(2+i*2+1, g_env.pRenderer->GetRenderSys()->LoadTexture(mTerrain->getLayerTextureName(i, 1)));
pMaterial->SetSamplerStateDesc(2 + i * 2, samDesc);
pMaterial->SetSamplerStateDesc(2 + i * 2 + 1, samDesc);
}
pMaterial->InitShader("Terrain", eShader_Terrain, 0, nullptr, "VS_GBuffer", "PS_GBuffer");
mEntity->SetMaterial(pMaterial);
}
if (mChildren[0])
{
mChildren[0]->CreateEntity();
mChildren[1]->CreateEntity();
mChildren[2]->CreateEntity();
mChildren[3]->CreateEntity();
}
}
//------------------------------------------------------------------------------------
Decal::Decal(const VEC3& pos, float size, const QUATERNION& rot)
: m_vPos(pos)
, m_fSize(size)
, m_pMaterial(nullptr)
{
if (!m_pUnitCube)
{
SVertex vert[8] =
{
SVertex(VEC3(-0.5f, -0.5f, +0.5f), VEC2(0, 0)),
SVertex(VEC3(+0.5f, -0.5f, +0.5f), VEC2(0, 0)),
SVertex(VEC3(+0.5f, -0.5f, -0.5f), VEC2(0, 0)),
SVertex(VEC3(-0.5f, -0.5f, -0.5f), VEC2(0, 0)),
SVertex(VEC3(-0.5f, +0.5f, +0.5f), VEC2(0, 0)),
SVertex(VEC3(+0.5f, +0.5f, +0.5f), VEC2(0, 0)),
SVertex(VEC3(+0.5f, +0.5f, -0.5f), VEC2(0, 0)),
SVertex(VEC3(-0.5f, +0.5f, -0.5f), VEC2(0, 0)),
};
DWORD dwIndex[36] = {
0,2,1,0,3,2, // bottom
4,5,7,5,6,7, // top
4,7,0,7,3,0, // left
6,5,2,5,1,2, // right
7,6,3,6,2,3, // behind
5,4,1,4,0,1, // front
};
Mesh* pMesh = new Mesh;
SubMesh* pSubmesh = new SubMesh;
pSubmesh->InitVertData(eVertexType_General, vert, 8, true);
pSubmesh->InitIndexData(dwIndex, 36, true);
pMesh->AddSubMesh(pSubmesh);
m_pUnitCube = new Entity(pMesh);
m_pUnitCube->SetCastShadow(false);
m_pCB_Decal = g_env.pRenderer->GetRenderSys()->CreateConstantBuffer(sizeof(cBufferDecal), 10);
}
m_cbDecal.matRotation = rot.ToRotationMatrix().Transpose();
m_cbDecal.fProjClip = 10000.f;
}
//------------------------------------------------------------------------------------
Mesh* SceneManager::CreateFrustumMesh( const VEC3& minBottom, const VEC3& maxBottom, const VEC3& minTop, const VEC3& maxTop )
{
Neo::SVertex vert[24];
// front side
vert[0].pos.Set(minBottom.x, minBottom.y, maxBottom.z);
vert[0].uv.Set(0, 1);
vert[1].pos.Set(maxBottom.x, minBottom.y, maxBottom.z);
vert[1].uv.Set(1, 1);
vert[2].pos.Set(maxTop.x, minTop.y, maxTop.z);
vert[2].uv.Set(1, 0);
vert[3].pos.Set(minTop.x, minTop.y, maxTop.z);
vert[3].uv.Set(0, 0);
// back side
vert[4].pos.Set(maxBottom.x, minBottom.y, minBottom.z);
vert[4].uv.Set(0, 1);
vert[5].pos.Set(minBottom.x, minBottom.y, minBottom.z);
vert[5].uv.Set(1, 1);
vert[6].pos.Set(minTop.x, minTop.y, minTop.z);
vert[6].uv.Set(1, 0);
vert[7].pos.Set(maxTop.x, minTop.y, minTop.z);
vert[7].uv.Set(0, 0);
// left side
vert[8].pos.Set(minBottom.x, minBottom.y, minBottom.z);
vert[9].pos.Set(minBottom.x, minBottom.y, maxBottom.z);
vert[10].pos.Set(minTop.x, minTop.y, maxTop.z);
vert[11].pos.Set(minTop.x, minTop.y, minTop.z);
vert[8].uv.Set(0, 1);
vert[9].uv.Set(1, 1);
vert[10].uv.Set(1, 0);
vert[11].uv.Set(0, 0);
// right side
vert[12].pos.Set(maxBottom.x, minBottom.y, maxBottom.z);
vert[13].pos.Set(maxBottom.x, minBottom.y, minBottom.z);
vert[14].pos.Set(maxTop.x, minTop.y, minTop.z);
vert[15].pos.Set(maxTop.x, minTop.y, maxTop.z);
vert[12].uv.Set(0, 1);
vert[13].uv.Set(1, 1);
vert[14].uv.Set(1, 0);
vert[15].uv.Set(0, 0);
// up side
vert[16].pos.Set(minTop.x, minTop.y, maxTop.z);
vert[17].pos.Set(maxTop.x, minTop.y, maxTop.z);
vert[18].pos.Set(maxTop.x, minTop.y, minTop.z);
vert[19].pos.Set(minTop.x, minTop.y, minTop.z);
vert[16].uv.Set(0, 1);
vert[17].uv.Set(1, 1);
vert[18].uv.Set(1, 0);
vert[19].uv.Set(0, 0);
// down side
vert[20].pos.Set(minBottom.x, minBottom.y, minBottom.z);
vert[21].pos.Set(maxBottom.x, minBottom.y, minBottom.z);
vert[22].pos.Set(maxBottom.x, minBottom.y, maxBottom.z);
vert[23].pos.Set(minBottom.x, minBottom.y, maxBottom.z);
vert[20].uv.Set(0, 1);
vert[21].uv.Set(1, 1);
vert[22].uv.Set(1, 0);
vert[23].uv.Set(0, 0);
DWORD faces[6*2*3] = {
// front
0,1,2,
0,2,3,
// back
4,5,6,
4,6,7,
// left
8,9,10,
8,10,11,
// right
12,13,14,
12,14,15,
// up
16,17,18,
16,18,19,
// down
20,21,22,
20,22,23
};
Mesh* pMesh = new Mesh;
SubMesh* pSubmesh = new SubMesh;
pSubmesh->InitVertData(eVertexType_General, vert, 24, true);
pSubmesh->InitIndexData(faces, 6*2*3, true);
pMesh->AddSubMesh(pSubmesh);
return pMesh;
}
//------------------------------------------------------------------------------------
Mesh* SceneManager::CreateCubeMesh( const VEC3& minPt, const VEC3& maxPt )
{
SVertex vert[24];
// front side
vert[0].pos.Set(minPt.x, minPt.y, maxPt.z);
vert[0].uv.Set(0, 1);
vert[1].pos.Set(maxPt.x, minPt.y, maxPt.z);
vert[1].uv.Set(1, 1);
vert[2].pos.Set(maxPt.x, maxPt.y, maxPt.z);
vert[2].uv.Set(1, 0);
vert[3].pos.Set(minPt.x, maxPt.y, maxPt.z);
vert[3].uv.Set(0, 0);
vert[0].normal = vert[1].normal = vert[2].normal = vert[3].normal = VEC3::UNIT_Z;
// back side
vert[4].pos.Set(maxPt.x, minPt.y, minPt.z);
vert[4].uv.Set(0, 1);
vert[5].pos.Set(minPt.x, minPt.y, minPt.z);
vert[5].uv.Set(1, 1);
vert[6].pos.Set(minPt.x, maxPt.y, minPt.z);
vert[6].uv.Set(1, 0);
vert[7].pos.Set(maxPt.x, maxPt.y, minPt.z);
vert[7].uv.Set(0, 0);
vert[4].normal = vert[5].normal = vert[6].normal = vert[7].normal = VEC3::NEG_UNIT_Z;
// left side
vert[8].pos.Set(minPt.x, minPt.y, minPt.z);
vert[9].pos.Set(minPt.x, minPt.y, maxPt.z);
vert[10].pos.Set(minPt.x, maxPt.y, maxPt.z);
vert[11].pos.Set(minPt.x, maxPt.y, minPt.z);
vert[8].uv.Set(0, 1);
vert[9].uv.Set(1, 1);
vert[10].uv.Set(1, 0);
vert[11].uv.Set(0, 0);
vert[8].normal = vert[9].normal = vert[10].normal = vert[11].normal = VEC3::NEG_UNIT_X;
// right side
vert[12].pos.Set(maxPt.x, minPt.y, maxPt.z);
vert[13].pos.Set(maxPt.x, minPt.y, minPt.z);
vert[14].pos.Set(maxPt.x, maxPt.y, minPt.z);
vert[15].pos.Set(maxPt.x, maxPt.y, maxPt.z);
vert[12].uv.Set(0, 1);
vert[13].uv.Set(1, 1);
vert[14].uv.Set(1, 0);
vert[15].uv.Set(0, 0);
vert[12].normal = vert[13].normal = vert[14].normal = vert[15].normal = VEC3::UNIT_X;
// up side
vert[16].pos.Set(minPt.x, maxPt.y, maxPt.z);
vert[17].pos.Set(maxPt.x, maxPt.y, maxPt.z);
vert[18].pos.Set(maxPt.x, maxPt.y, minPt.z);
vert[19].pos.Set(minPt.x, maxPt.y, minPt.z);
vert[16].uv.Set(0, 1);
vert[17].uv.Set(1, 1);
vert[18].uv.Set(1, 0);
vert[19].uv.Set(0, 0);
vert[16].normal = vert[17].normal = vert[18].normal = vert[19].normal = VEC3::UNIT_Y;
// down side
vert[20].pos.Set(minPt.x, minPt.y, minPt.z);
vert[21].pos.Set(maxPt.x, minPt.y, minPt.z);
vert[22].pos.Set(maxPt.x, minPt.y, maxPt.z);
vert[23].pos.Set(minPt.x, minPt.y, maxPt.z);
vert[20].uv.Set(0, 1);
vert[21].uv.Set(1, 1);
vert[22].uv.Set(1, 0);
vert[23].uv.Set(0, 0);
vert[20].normal = vert[21].normal = vert[22].normal = vert[23].normal = VEC3::NEG_UNIT_Y;
DWORD faces[6*2*3] = {
// front
0,1,2,
0,2,3,
// back
4,5,6,
4,6,7,
// left
8,9,10,
8,10,11,
// right
12,13,14,
12,14,15,
// up
16,17,18,
16,18,19,
// down
20,21,22,
20,22,23
};
Mesh* pCube = new Mesh;
SubMesh* pSubmesh = new SubMesh;
pSubmesh->InitVertData(eVertexType_General, vert, 24, true);
pSubmesh->InitIndexData(faces, 6*2*3, true);
pCube->AddSubMesh(pSubmesh);
return pCube;
}
