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authorDan Goodliffe <dan@randomdan.homeip.net>2023-11-04 17:07:58 +0000
committerDan Goodliffe <dan@randomdan.homeip.net>2023-11-04 17:07:58 +0000
commit582ac127f763f512c45f35e17b768487e3b51796 (patch)
tree4b67659fd1a0906649c1f83570ab9cbb30194f75 /game/terrain2.h
parentReformat test source (diff)
downloadilt-582ac127f763f512c45f35e17b768487e3b51796.tar.bz2
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Rename TerrainMesh to GeoData to drop inplace
Diffstat (limited to 'game/terrain2.h')
-rw-r--r--game/terrain2.h93
1 files changed, 0 insertions, 93 deletions
diff --git a/game/terrain2.h b/game/terrain2.h
deleted file mode 100644
index eda56d0..0000000
--- a/game/terrain2.h
+++ /dev/null
@@ -1,93 +0,0 @@
-#pragma once
-
-#include "collections.h" // IWYU pragma: keep IterableCollection
-#include "ray.h"
-#include <OpenMesh/Core/Mesh/TriMesh_ArrayKernelT.hh>
-#include <filesystem>
-#include <glm/vec2.hpp>
-#include <optional>
-#include <thirdparty/openmesh/glmcompat.h>
-
-struct TerrainTraits : public OpenMesh::DefaultTraits {
- FaceAttributes(OpenMesh::Attributes::Normal | OpenMesh::Attributes::Status);
- EdgeAttributes(OpenMesh::Attributes::Status);
- VertexAttributes(OpenMesh::Attributes::Normal | OpenMesh::Attributes::Status);
- HalfedgeAttributes(OpenMesh::Attributes::Normal | OpenMesh::Attributes::Status);
- using Point = glm::vec3;
- using Normal = glm::vec3;
-};
-
-class TerrainMesh : public OpenMesh::TriMesh_ArrayKernelT<TerrainTraits> {
-private:
- TerrainMesh() = default;
-
-public:
- static TerrainMesh loadFromAsciiGrid(const std::filesystem::path &);
-
- struct PointFace {
- // NOLINTNEXTLINE(hicpp-explicit-conversions)
- PointFace(const glm::vec2 p) : point {p} { }
-
- PointFace(const glm::vec2 p, FaceHandle face) : point {p}, _face {face} { }
-
- PointFace(const glm::vec2 p, const TerrainMesh *);
- PointFace(const glm::vec2 p, const TerrainMesh *, FaceHandle start);
-
- const glm::vec2 point;
- [[nodiscard]] FaceHandle face(const TerrainMesh *) const;
- [[nodiscard]] FaceHandle face(const TerrainMesh *, FaceHandle start) const;
-
- [[nodiscard]] bool
- isLocated() const
- {
- return _face.is_valid();
- }
-
- private:
- mutable FaceHandle _face {};
- };
-
- template<glm::length_t Dim> struct Triangle : public glm::vec<3, glm::vec<Dim, glm::vec2::value_type>> {
- using base = glm::vec<3, glm::vec<Dim, glm::vec2::value_type>>;
- using base::base;
-
- template<IterableCollection Range> Triangle(const TerrainMesh * m, Range range)
- {
- assert(std::distance(range.begin(), range.end()) == 3);
- std::transform(range.begin(), range.end(), &base::operator[](0), [m](auto vh) {
- return m->point(vh);
- });
- }
-
- glm::vec<Dim, glm::vec2::value_type>
- operator*(glm::vec2 bari) const
- {
- const auto & t {*this};
- return t[0] + ((t[1] - t[0]) * bari.x) + ((t[2] - t[1]) * bari.y);
- }
- };
-
- [[nodiscard]] FaceHandle findPoint(glm::vec2) const;
- [[nodiscard]] FaceHandle findPoint(glm::vec2, FaceHandle start) const;
-
- [[nodiscard]] glm::vec3 positionAt(const PointFace &) const;
- [[nodiscard]] std::optional<glm::vec3> intersectRay(const Ray &) const;
- [[nodiscard]] std::optional<glm::vec3> intersectRay(const Ray &, FaceHandle start) const;
-
- void walk(const PointFace & from, const glm::vec2 to, const std::function<void(FaceHandle)> & op) const;
- void walkUntil(const PointFace & from, const glm::vec2 to, const std::function<bool(FaceHandle)> & op) const;
-
- [[nodiscard]] auto
- getExtents() const
- {
- return std::tie(lowerExtent, upperExtent);
- }
-
-protected:
- [[nodiscard]] static bool triangleContainsPoint(const glm::vec2, const glm::vec2, const glm::vec2, const glm::vec2);
- [[nodiscard]] bool triangleContainsPoint(const glm::vec2, FaceHandle) const;
- [[nodiscard]] bool triangleContainsPoint(const glm::vec2, ConstFaceVertexIter) const;
-
-private:
- glm::vec3 lowerExtent {}, upperExtent {};
-};