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#pragma once
#include "ibrush.h"
#include "ipatch.h"
#include "iundo.h"
#include "math/Vector3.h"
#include "math/Plane3.h"
#include "render/TexCoord2f.h"
#include "math/AABB.h"
#include "scenelib.h"
namespace test
{
namespace algorithm
{
// Creates a cubic brush with dimensions 64x64x64 at the given origin
inline scene::INodePtr createCubicBrush(const scene::INodePtr& parent,
const Vector3& origin = Vector3(0,0,0),
const std::string& material = "_default")
{
UndoableCommand cmd("createBrush");
auto brushNode = GlobalBrushCreator().createBrush();
scene::addNodeToContainer(brushNode, parent);
auto& brush = *Node_getIBrush(brushNode);
auto translation = Matrix4::getTranslation(origin);
brush.addFace(Plane3(+1, 0, 0, 64).transform(translation));
brush.addFace(Plane3(-1, 0, 0, 64).transform(translation));
brush.addFace(Plane3(0, +1, 0, 64).transform(translation));
brush.addFace(Plane3(0, -1, 0, 64).transform(translation));
brush.addFace(Plane3(0, 0, +1, 64).transform(translation));
brush.addFace(Plane3(0, 0, -1, 64).transform(translation));
brush.setShader(material);
brush.evaluateBRep();
return brushNode;
}
inline scene::INodePtr createCuboidBrush(const scene::INodePtr& parent,
const AABB& bounds = AABB(Vector3(0, 0, 0), Vector3(64,256,128)),
const std::string& material = "_default")
{
UndoableCommand cmd("createBrush");
auto brushNode = GlobalBrushCreator().createBrush();
parent->addChildNode(brushNode);
auto& brush = *Node_getIBrush(brushNode);
auto translation = Matrix4::getTranslation(-bounds.getOrigin());
brush.addFace(Plane3(+1, 0, 0, bounds.getExtents().x()).transform(translation));
brush.addFace(Plane3(-1, 0, 0, bounds.getExtents().x()).transform(translation));
brush.addFace(Plane3(0, +1, 0, bounds.getExtents().y()).transform(translation));
brush.addFace(Plane3(0, -1, 0, bounds.getExtents().y()).transform(translation));
brush.addFace(Plane3(0, 0, +1, bounds.getExtents().z()).transform(translation));
brush.addFace(Plane3(0, 0, -1, bounds.getExtents().z()).transform(translation));
brush.setShader(material);
brush.evaluateBRep();
return brushNode;
}
inline IFace* findBrushFaceWithNormal(IBrush* brush, const Vector3& normal)
{
for (auto i = 0; i < brush->getNumFaces(); ++i)
{
auto& face = brush->getFace(i);
if (math::isNear(face.getPlane3().normal(), normal, 0.01))
{
return &face;
}
}
return nullptr;
}
inline bool faceHasVertex(const IFace* face, const std::function<bool(const WindingVertex&)>& predicate)
{
const auto& winding = face->getWinding();
for (const auto& vertex : winding)
{
if (predicate(vertex))
{
return true;
}
}
return false;
}
inline Vector2 getFaceCentroid(const IFace* face)
{
if (face->getWinding().empty()) return { 0, 0 };
Vector2 centroid = face->getWinding()[0].texcoord;
for (std::size_t i = 1; i < face->getWinding().size(); ++i)
{
centroid += face->getWinding()[i].texcoord;
}
centroid /= static_cast<Vector2::ElementType>(face->getWinding().size());
return centroid;
}
inline scene::INodePtr createPatchFromBounds(const scene::INodePtr& parent,
const AABB& bounds = AABB(Vector3(0, 0, 0), Vector3(64, 256, 128)),
const std::string& material = "_default")
{
auto patchNode = GlobalPatchModule().createPatch(patch::PatchDefType::Def2);
parent->addChildNode(patchNode);
auto patch = Node_getIPatch(patchNode);
patch->setDims(3, 3);
patch->setShader(material);
for (std::size_t col = 0; col < patch->getWidth(); ++col)
{
auto extents = bounds.getExtents();
for (std::size_t row = 0; row < patch->getHeight(); ++row)
{
patch->ctrlAt(row, col).vertex = bounds.getOrigin() - bounds.getExtents();
patch->ctrlAt(row, col).vertex.x() += 2 * col * extents.x();
patch->ctrlAt(row, col).vertex.y() += 2 * row * extents.y();
}
}
patch->controlPointsChanged();
return patchNode;
}
inline bool faceHasVertex(const IFace* face, const Vector3& expectedXYZ, const Vector2& expectedUV)
{
return algorithm::faceHasVertex(face, [&](const WindingVertex& vertex)
{
return math::isNear(vertex.vertex, expectedXYZ, 0.01) && math::isNear(vertex.texcoord, expectedUV, 0.01);
});
}
inline void foreachPatchVertex(const IPatch& patch, const std::function<void(const PatchControl&)>& functor)
{
for (std::size_t col = 0; col < patch.getWidth(); ++col)
{
for (std::size_t row = 0; row < patch.getHeight(); ++row)
{
functor(patch.ctrlAt(row, col));
}
}
}
inline bool patchHasVertex(const IPatch& patch, const Vector3& position)
{
for (std::size_t col = 0; col < patch.getWidth(); ++col)
{
for (std::size_t row = 0; row < patch.getHeight(); ++row)
{
if (math::isNear(patch.ctrlAt(row, col).vertex, position, 0.01))
{
return true;
}
}
}
return false;
}
inline bool patchHasVertices(const IPatch& patch, const std::vector<Vector3>& positions)
{
bool result = patch.getWidth() > 0 && patch.getHeight() > 0;
for (const auto& position : positions)
{
if (!patchHasVertex(patch, position))
{
result = false;
break;
}
}
return result;
}
inline AABB getTextureSpaceBounds(const IPatch& patch)
{
AABB bounds;
foreachPatchVertex(patch, [&](const PatchControl& control)
{
const auto& uv = control.texcoord;
bounds.includePoint({ uv.x(), uv.y(), 0 });
});
return bounds;
}
inline AABB getTextureSpaceBounds(const IFace& face)
{
AABB bounds;
for (const auto& vertex : face.getWinding())
{
bounds.includePoint({ vertex.texcoord.x(), vertex.texcoord.y(), 0 });
}
return bounds;
}
inline void expectVerticesHaveBeenFlipped(int axis, const IPatch& patch, const std::vector<Vector2>& oldTexcoords, const Vector2& flipCenter)
{
auto old = oldTexcoords.begin();
algorithm::foreachPatchVertex(patch, [&](const PatchControl& ctrl)
{
// Calculate the mirrored coordinate
auto expectedTexcoord = *(old++);
expectedTexcoord[axis] = 2 * flipCenter[axis] - expectedTexcoord[axis];
EXPECT_EQ(ctrl.texcoord.x(), expectedTexcoord.x()) << "Mirrored vertex should be at " << expectedTexcoord;
EXPECT_EQ(ctrl.texcoord.y(), expectedTexcoord.y()) << "Mirrored vertex should be at " << expectedTexcoord;
});
}
inline void foreachFace(IBrush& brush, const std::function<void(IFace&)>& functor)
{
for (int i = 0; i < brush.getNumFaces(); ++i)
{
functor(brush.getFace(i));
}
}
}
}
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