diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/collections.hpp | 21 | ||||
| -rw-r--r-- | lib/geometricPlane.cpp | 28 | ||||
| -rw-r--r-- | lib/geometricPlane.h | 22 | ||||
| -rw-r--r-- | lib/persistence.cpp | 27 | ||||
| -rw-r--r-- | lib/persistence.h | 28 | ||||
| -rw-r--r-- | lib/ray.cpp | 6 | ||||
| -rw-r--r-- | lib/ray.hpp | 2 | ||||
| -rw-r--r-- | lib/stream_support.hpp | 2 | 
8 files changed, 117 insertions, 19 deletions
| diff --git a/lib/collections.hpp b/lib/collections.hpp index 16870be..59cec6f 100644 --- a/lib/collections.hpp +++ b/lib/collections.hpp @@ -92,11 +92,11 @@ operator+(const std::vector<T...> & in, Vn && vn)  	return out;  } -template<template<typename> typename Direction = std::plus> +template<template<typename> typename Direction = std::plus, typename T = unsigned int>  [[nodiscard]] static auto -vectorOfN(std::integral auto N, unsigned int start = {}, unsigned int step = 1) +vectorOfN(std::integral auto N, T start = {}, T step = 1)  { -	std::vector<unsigned int> v; +	std::vector<T> v;  	v.resize(N);  	std::generate_n(v.begin(), N, [&start, step, adj = Direction {}]() {  		return std::exchange(start, adj(start, step)); @@ -117,3 +117,18 @@ materializeRange(const std::pair<In, In> & in)  {  	return Rtn(in.first, in.second);  } + +template<typename T> struct pair_range { +	constexpr auto & +	begin() const noexcept +	{ +		return pair.first; +	} +	constexpr auto & +	end() const noexcept +	{ +		return pair.second; +	} +	const std::pair<T, T> & pair; +}; +template<typename T> pair_range(std::pair<T, T>) -> pair_range<T>; diff --git a/lib/geometricPlane.cpp b/lib/geometricPlane.cpp new file mode 100644 index 0000000..71216c1 --- /dev/null +++ b/lib/geometricPlane.cpp @@ -0,0 +1,28 @@ +#include "geometricPlane.h" +#include "ray.hpp" +#include <glm/geometric.hpp> +#include <glm/gtx/intersect.hpp> + +GeometricPlane::PlaneRelation +GeometricPlane::getRelation(glm::vec3 p) const +{ +	const auto d = glm::dot(normal, p - origin); +	return d < 0.f ? PlaneRelation::Below : d > 0.f ? PlaneRelation::Above : PlaneRelation::On; +} + +bool +GeometricPlane::isIntersect(PlaneRelation a, PlaneRelation b) +{ +	return ((a == PlaneRelation::Above && b == PlaneRelation::Below) +			|| (a == PlaneRelation::Below && b == PlaneRelation::Above)); +} + +std::optional<GeometricPlane::DistAndPosition> +GeometricPlane::getRayIntersectPosition(const Ray & ray) const +{ +	float dist {}; +	if (!glm::intersectRayPlane(ray.start, ray.direction, origin, normal, dist)) { +		return {}; +	} +	return DistAndPosition {dist, ray.start + (ray.direction * dist)}; +} diff --git a/lib/geometricPlane.h b/lib/geometricPlane.h new file mode 100644 index 0000000..dc8df50 --- /dev/null +++ b/lib/geometricPlane.h @@ -0,0 +1,22 @@ +#pragma once + +#include <glm/vec3.hpp> +#include <optional> + +class Ray; + +class GeometricPlane { +public: +	struct DistAndPosition { +		float dist; +		glm::vec3 position; +	}; +	enum class PlaneRelation { Above, Below, On }; + +	glm::vec3 origin, normal; + +	PlaneRelation getRelation(glm::vec3 point) const; +	std::optional<DistAndPosition> getRayIntersectPosition(const Ray &) const; + +	static bool isIntersect(PlaneRelation a, PlaneRelation b); +}; diff --git a/lib/persistence.cpp b/lib/persistence.cpp index 8c7c6a4..e22d74d 100644 --- a/lib/persistence.cpp +++ b/lib/persistence.cpp @@ -41,12 +41,22 @@ namespace Persistence {  		return ss.str();  	} +	void +	Persistable::postLoad() +	{ +	} +  	PersistenceSelect::PersistenceSelect(const std::string & n) : name {n} { } -	PersistenceStore::NameAction -	PersistenceSelect::setName(const std::string_view key, const Selection &) +	PersistenceStore::NameActionSelection +	PersistenceSelect::setName(const std::string_view key, SelectionFactory && factory)  	{ -		return (key == name) ? NameAction::Push : NameAction::Ignore; +		if (key == name) { +			return {NameAction::Push, factory()}; +		} +		else { +			return {NameAction::Ignore, nullptr}; +		}  	}  	void @@ -56,10 +66,11 @@ namespace Persistence {  	PersistenceWrite::PersistenceWrite(const Writer & o, bool sh) : out {o}, shared {sh} { } -	PersistenceStore::NameAction -	PersistenceWrite::setName(const std::string_view key, const Selection & s) +	PersistenceStore::NameActionSelection +	PersistenceWrite::setName(const std::string_view key, SelectionFactory && factory)  	{ -		if (s.needsWrite()) { +		auto s = factory(); +		if (s->needsWrite()) {  			if (!first) {  				out.nextValue();  			} @@ -67,9 +78,9 @@ namespace Persistence {  				first = false;  			}  			out.pushKey(key); -			return NameAction::HandleAndContinue; +			return {NameAction::HandleAndContinue, std::move(s)};  		} -		return NameAction::Ignore; +		return {NameAction::Ignore, nullptr};  	}  	void diff --git a/lib/persistence.h b/lib/persistence.h index 35d60ca..cc2e4e5 100644 --- a/lib/persistence.h +++ b/lib/persistence.h @@ -6,6 +6,7 @@  #include <iosfwd>  #include <map>  #include <memory> +#include <optional>  #include <span>  #include <special_members.hpp>  #include <sstream> @@ -147,8 +148,13 @@ namespace Persistence {  		}  	}; +	template<typename T> struct SelectionT<std::optional<T>> : public SelectionT<T> { +		explicit SelectionT(std::optional<T> & value) : SelectionT<T> {value.emplace()} { } +	}; +  	struct Persistable;  	struct PersistenceStore { +		using SelectionFactory = std::function<SelectionPtr()>;  		PersistenceStore() = default;  		virtual ~PersistenceStore() = default;  		DEFAULT_MOVE_NO_COPY(PersistenceStore); @@ -156,12 +162,14 @@ namespace Persistence {  		template<typename T> [[nodiscard]] inline bool persistType(const T * const, const std::type_info & ti);  		enum class NameAction { Push, HandleAndContinue, Ignore }; +		using NameActionSelection = std::pair<NameAction, SelectionPtr>;  		template<typename Helper, typename T>  		[[nodiscard]] inline bool  		persistValue(const std::string_view key, T & value)  		{ -			auto s = std::make_unique<Helper>(value); -			const auto act {setName(key, *s)}; +			auto [act, s] = setName(key, [&value]() { +				return std::make_unique<Helper>(value); +			});  			if (act != NameAction::Ignore) {  				sel = std::move(s);  				if (act == NameAction::HandleAndContinue) { @@ -171,7 +179,7 @@ namespace Persistence {  			return (act != NameAction::Push);  		} -		virtual NameAction setName(const std::string_view key, const Selection &) = 0; +		[[nodiscard]] virtual NameActionSelection setName(const std::string_view key, SelectionFactory &&) = 0;  		virtual void selHandler() {};  		virtual void setType(const std::string_view, const Persistable *) = 0; @@ -181,7 +189,7 @@ namespace Persistence {  	struct PersistenceSelect : public PersistenceStore {  		explicit PersistenceSelect(const std::string & n); -		NameAction setName(const std::string_view key, const Selection &) override; +		NameActionSelection setName(const std::string_view key, SelectionFactory &&) override;  		void setType(const std::string_view, const Persistable *) override; @@ -191,7 +199,7 @@ namespace Persistence {  	struct PersistenceWrite : public PersistenceStore {  		explicit PersistenceWrite(const Writer & o, bool sh); -		NameAction setName(const std::string_view key, const Selection &) override; +		NameActionSelection setName(const std::string_view key, SelectionFactory &&) override;  		void selHandler() override; @@ -311,8 +319,9 @@ namespace Persistence {  		void  		endObject(Persistence::Stack & stk) override  		{ +			// TODO test with unique_ptr  			map.emplace(std::invoke(Key, s), std::move(s)); -			stk.pop(); +			Persistence::SelectionT<Type>::endObject(stk);  		}  	private: @@ -327,8 +336,9 @@ namespace Persistence {  		void  		endObject(Persistence::Stack & stk) override  		{ +			// TODO test with unique_ptr  			container.emplace_back(std::move(s)); -			stk.pop(); +			Persistence::SelectionT<Type>::endObject(stk);  		}  	private: @@ -342,6 +352,7 @@ namespace Persistence {  		DEFAULT_MOVE_COPY(Persistable);  		virtual bool persist(PersistenceStore & store) = 0; +		virtual void postLoad();  		[[nodiscard]] virtual std::string getId() const; @@ -484,6 +495,9 @@ namespace Persistence {  			endObject(Stack & stk) override  			{  				make_default_as_needed(this->v); +				if (this->v) { +					this->v->postLoad(); +				}  				stk.pop();  			} diff --git a/lib/ray.cpp b/lib/ray.cpp index acbb807..f9e3311 100644 --- a/lib/ray.cpp +++ b/lib/ray.cpp @@ -1,6 +1,12 @@  #include "ray.hpp"  #include <algorithm> +Ray +Ray::fromPoints(glm::vec3 start, glm::vec3 p) +{ +	return {start, glm::normalize(p - start)}; +} +  float  Ray::distanceToLine(const glm::vec3 & p1, const glm::vec3 & e1) const  { diff --git a/lib/ray.hpp b/lib/ray.hpp index 8bef1c8..9bf47af 100644 --- a/lib/ray.hpp +++ b/lib/ray.hpp @@ -7,6 +7,8 @@ class Ray {  public:  	Ray(glm::vec3 start, glm::vec3 direction) : start {start}, direction {direction} { } +	static Ray fromPoints(glm::vec3, glm::vec3); +  	glm::vec3 start;  	glm::vec3 direction; diff --git a/lib/stream_support.hpp b/lib/stream_support.hpp index 6a3c2cf..52cc9d9 100644 --- a/lib/stream_support.hpp +++ b/lib/stream_support.hpp @@ -83,4 +83,4 @@ streamed_string(const T & v)  	return std::move(ss).str();  } -#define CLOG(x) std::cerr << #x " : " << x << "\n"; +#define CLOG(x) std::cerr << __LINE__ << " : " #x " : " << x << "\n"; | 
