Differential D15125 Diff 52260 source/blender/geometry/GEO_reverse_uv_lookup.hh

Changeset View

Standalone View

				/* SPDX-License-Identifier: GPL-2.0-or-later */

				#pragma once

				#include <optional>

				#include "BLI_math_vector.hh"
				#include "BLI_span.hh"

				#include "DNA_meshdata_types.h"

				namespace blender::geometry {

				/**
				* Can find the polygon/triangle that maps to a specific uv coordinate.
				*
				* \note this uses a trivial implementation currently that has to be replaced.
				*/
				class ReverseUVLookup {
				HooglyBooglyUnsubmitted Not Done Inline Actions For something that's more of a "factory", the name sounds a bit too much like a noun IMO. That said, I'm not totally sure what would be better. Maybe `ReverseUVSampler`? HooglyBoogly: For something that's more of a "factory", the name sounds a bit too much like a noun IMO. That…
				private:
				const Span<float2> uv_map_;
				const Span<MLoopTri> looptris_;

				public:
				ReverseUVLookup(const Span<float2> uv_map, const Span<MLoopTri> looptris);

				enum class ResultType {
				None,
				Ok,
				Multiple,
				};

				struct Result {
				ResultType type = ResultType::None;
				const MLoopTri *looptri = nullptr;
				float3 bary_weights;
				};

				Result lookup(const float2 &query_uv) const;
				};

				} // namespace blender::geometry