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/* SPDX-License-Identifier: GPL-2.0-or-later */
#pragma once
#include <optional>
#include "curves_sculpt_intern.h"
#include "paint_intern.h"
#include "BLI_math_vector.hh"
#include "BKE_curves.hh"
struct ARegion;
struct RegionView3D;
struct Object;
namespace blender::ed::sculpt_paint {
using bke::CurvesGeometry;
struct StrokeExtension {
bool is_first;
float2 mouse_position;
};
/**
* Base class for stroke based operations in curves sculpt mode.
*/
class CurvesSculptStrokeOperation {
public:
virtual ~CurvesSculptStrokeOperation() = default;
virtual void on_stroke_extended(bContext *C, const StrokeExtension &stroke_extension) = 0;
};
std::unique_ptr<CurvesSculptStrokeOperation> new_add_operation();
std::unique_ptr<CurvesSculptStrokeOperation> new_comb_operation();
std::unique_ptr<CurvesSculptStrokeOperation> new_delete_operation();
std::unique_ptr<CurvesSculptStrokeOperation> new_snake_hook_operation();
std::unique_ptr<CurvesSculptStrokeOperation> new_grow_shrink_operation(
const BrushStrokeMode brush_mode, bContext *C);
struct CurvesBrush3D {
float3 position_cu;
float radius_cu;
};
/**
* Find 3d brush position based on cursor position for curves sculpting.
*/
std::optional<CurvesBrush3D> sample_curves_3d_brush(bContext &C,
Object &curves_object,
const float2 &brush_pos_re,
float brush_radius_re);
} // namespace blender::ed::sculpt_paint
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