110 lines
2.6 KiB
C++
110 lines
2.6 KiB
C++
#pragma once
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#include "core/object/object.h"
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#include "core/variant/variant.h"
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#include "macros.h"
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#include "scene/3d/marker_3d.h"
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#include "scene/resources/curve.h"
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#include <cmath>
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class Terrain;
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class TerrainModifier : public Marker3D {
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GDCLASS(TerrainModifier, Marker3D);
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static void _bind_methods();
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protected:
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void _notification(int what);
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void push_changed(Rect2 bounds);
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public:
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virtual float evaluate_at(Vector2 world_coordinate, float before);
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private:
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Vector3 thread_safe_global_position{};
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Terrain *terrain{ nullptr };
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Rect2 bounds{ { -INFINITY, -INFINITY }, { INFINITY, INFINITY } };
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protected:
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void set_bounds(Rect2 bounds);
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Rect2 get_bounds() const;
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public:
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Vector3 get_thread_safe_global_position() const;
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GET_SET_FNS(Terrain *, terrain);
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};
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struct SharedMutex {
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void lock_shared();
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void unlock_shared();
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void lock_exclusive();
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void unlock_exclusive();
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private:
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Mutex lock{};
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int shared_count{};
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};
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class TerrainModifierDistance : public TerrainModifier {
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GDCLASS(TerrainModifierDistance, TerrainModifier);
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static void _bind_methods();
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void curves_changed();
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bool update_bounds();
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protected:
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void _notification(int what);
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float distance_at(Vector2 const &world_coordinate);
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public:
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float evaluate_at(Vector2 world_coordinate, float before) override;
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PackedStringArray get_configuration_warnings() const override;
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private:
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SharedMutex lock{};
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Ref<Curve> distance_weight_curve{};
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public:
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void set_distance_weight_curve(Ref<Curve> curve);
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Ref<Curve> get_distance_weight_curve() const;
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};
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class TerrainModifierPathPoint : public Marker3D {
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GDCLASS(TerrainModifierPathPoint, Marker3D);
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static void _bind_methods();
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protected:
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void _notification(int what);
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public:
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class TerrainModifierPath *path{ nullptr };
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};
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class TerrainModifierPath : public TerrainModifier {
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GDCLASS(TerrainModifierPath, TerrainModifier);
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static void _bind_methods();
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void curves_changed();
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bool update_bounds();
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protected:
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void _notification(int what);
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float evaluate_line(Vector3 a, bool a_end, Vector3 b, bool b_end, Vector2 world_coordinate, float &out_dot, float &out_distance);
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public:
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float evaluate_at(Vector2 world_coordinate, float before) override;
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void path_changed();
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PackedStringArray get_configuration_warnings() const override;
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private:
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SharedMutex lock{};
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float min_height{};
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float max_height{};
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bool closed{ false };
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Vector<Vector3> points{};
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Ref<Curve> curve_left{};
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Ref<Curve> curve_right{};
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public:
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void set_curve_left(Ref<Curve> curve);
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Ref<Curve> get_curve_left() const;
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void set_curve_right(Ref<Curve> curve);
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Ref<Curve> get_curve_right() const;
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};
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