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Merging r6196 through r6248 from trunk to ogl-es branch

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git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/branches/ogl-es@6249 dfc29bdd-3216-0410-991c-e03cc46cb475
This commit is contained in:
cutealien
2021-08-26 21:57:27 +00:00
parent 08a2846a93
commit 21302d038a
119 changed files with 9580 additions and 4362 deletions
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136
source/Irrlicht/CGeometryCreator.cpp
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@@ -378,7 +378,7 @@ IMesh* CGeometryCreator::createTerrainMesh(video::IImage* texture,
blockSize.Height = hMapSize.Height - processed.Y;
SMeshBuffer* buffer = new SMeshBuffer();
buffer->setHardwareMappingHint(scene::EHM_STATIC);
buffer->setHardwareMappingHint(EHM_STATIC);
buffer->Vertices.reallocate(blockSize.getArea());
// add vertices of vertex block
u32 y;
@@ -500,7 +500,7 @@ IMesh* CGeometryCreator::createArrowMesh(const u32 tesselationCylinder,
IMesh* mesh2 = createConeMesh(width1, height-cylinderHeight, tesselationCone, vtxColor1, vtxColor0);
for (u32 i=0; i<mesh2->getMeshBufferCount(); ++i)
{
scene::IMeshBuffer* buffer = mesh2->getMeshBuffer(i);
IMeshBuffer* buffer = mesh2->getMeshBuffer(i);
for (u32 j=0; j<buffer->getVertexCount(); ++j)
buffer->getPosition(j).Y += cylinderHeight;
buffer->setDirty(EBT_VERTEX);
@@ -925,6 +925,138 @@ IMesh* CGeometryCreator::createConeMesh(f32 radius, f32 length, u32 tesselation,
return mesh;
}
irr::scene::IMesh* CGeometryCreator::createTorusMesh(irr::f32 majorRadius, irr::f32 minorRadius, irr::u32 majorSegments, irr::u32 minorSegments, f32 angleStart, f32 angleEnd, int capEnds) const
{
if ( majorRadius == 0.f || minorRadius == 0.f )
return 0;
if ( majorSegments < 3 )
majorSegments = 3;
if ( minorSegments < 3 )
minorSegments = 3;
// Note: first/last vertices of major and minor lines are on same position, but not shared to allow for independent uv's.
// prevent 16-bit vertex buffer overflow
const u32 numCapVertices = (capEnds & 1 ? 1 : 0) + (capEnds & 2 ? 1 : 0);
u32 numVertices = (majorSegments+1)*(minorSegments+1)+numCapVertices;
while (numVertices > 65536)
{
if ( majorSegments > 2*minorSegments )
majorSegments /= 2;
else if ( minorSegments > 2*majorSegments )
minorSegments /= 2;
else
{
majorSegments /= 2;
minorSegments /= 2;
}
numVertices = (majorSegments+1)*(minorSegments+1)+numCapVertices;
}
const u32 majorLines = majorSegments+1;
const u32 minorLines = minorSegments+1;
const video::SColor color(255,255,255,255);
SMeshBuffer* buffer = new SMeshBuffer();
buffer->Indices.reallocate(majorSegments*minorSegments*6);
buffer->Vertices.reallocate(numVertices);
if ( angleStart > angleEnd )
core::swap(angleStart, angleEnd);
const f32 radStart = angleStart * core::DEGTORAD;
const f32 radEnd = angleEnd * core::DEGTORAD;
const f32 radMajor = radEnd-radStart;
const f32 radStepMajor = radMajor / majorSegments;
const f32 TWO_PI = 2.f*core::PI;
const f32 radStepMinor = TWO_PI / minorSegments;
// vertices
for ( irr::u32 major = 0; major < majorLines; ++major)
{
const f32 radMajor = radStart + major*radStepMajor;
const f32 cosMajor = cosf(radMajor);
const f32 sinMajor = sinf(radMajor);
// points of major circle
const core::vector3df pm(majorRadius*cosMajor, 0.f, majorRadius * sinMajor);
for ( irr::u32 minor = 0; minor < minorLines; ++minor)
{
const f32 radMinor = minor*radStepMinor;
const f32 cosMinor = cosf(radMinor);
const core::vector3df n(cosMinor * cosMajor, sinf(radMinor), cosMinor * sinMajor);
const core::vector2df uv(radMajor/TWO_PI, radMinor/TWO_PI);
buffer->Vertices.push_back( video::S3DVertex(pm+n*minorRadius, n, color, uv) );
}
}
// indices
for ( irr::u32 major = 0; major < majorSegments; ++major)
{
for ( irr::u32 minor = 0; minor < minorSegments; ++minor)
{
const irr::u16 i = major*minorLines+minor;
buffer->Indices.push_back(i+1);
buffer->Indices.push_back(i+minorLines);
buffer->Indices.push_back(i);
buffer->Indices.push_back(i+1);
buffer->Indices.push_back(i+minorLines+1);
buffer->Indices.push_back(i+minorLines);
}
}
// add start caps
if ( capEnds & 1 )
{
const core::vector3df p(cosf(radStart), 0.f, sinf(radStart));
const core::vector3df n( p.crossProduct(core::vector3df(0,-1,0)) );
const core::vector2df uv(radStart/TWO_PI, 0.5f);
buffer->Vertices.push_back( video::S3DVertex(p*majorRadius, n, color, uv) );
const irr::u16 i=buffer->Vertices.size()-1;
for ( irr::u32 minor = 0; minor < minorSegments; ++minor)
{
buffer->Indices.push_back(minor+1);
buffer->Indices.push_back(minor);
buffer->Indices.push_back(i);
}
}
// add end caps
if ( capEnds & 2 )
{
const core::vector3df p(cosf(radEnd), 0.f, sinf(radEnd));
const core::vector3df n( p.crossProduct(core::vector3df(0,1,0)) );
const core::vector2df uv(radEnd/TWO_PI, 0.5f);
buffer->Vertices.push_back( video::S3DVertex(p*majorRadius, n, color, uv) );
const irr::u16 i=buffer->Vertices.size()-1;
const irr::u16 k=i-numCapVertices;
for ( irr::u32 minor = 0; minor < minorSegments; ++minor)
{
buffer->Indices.push_back(k-minor-1);
buffer->Indices.push_back(k-minor);
buffer->Indices.push_back(i);
}
}
// recalculate bounding box
buffer->BoundingBox.MaxEdge.X = core::abs_(majorRadius)+core::abs_(minorRadius);
buffer->BoundingBox.MaxEdge.Z = buffer->BoundingBox.MaxEdge.X;
buffer->BoundingBox.MaxEdge.Y = core::abs_(minorRadius);
buffer->BoundingBox.MinEdge = buffer->BoundingBox.MaxEdge*-1.f;
SMesh* mesh = new SMesh();
mesh->addMeshBuffer(buffer);
buffer->drop();
mesh->setHardwareMappingHint(EHM_STATIC);
mesh->recalculateBoundingBox();
return mesh;
}
void CGeometryCreator::addToBuffer(const video::S3DVertex& v, SMeshBuffer* Buffer) const
{