54 lines
2 KiB
C++
54 lines
2 KiB
C++
#pragma once
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#include <include/core/SkCanvas.h>
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#include "DrawData.hpp"
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#include <include/effects/SkRuntimeEffect.h>
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class GridManager;
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class WorldGrid {
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public:
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void draw(GridManager& gMan, SkCanvas* canvas, const DrawData& drawData);
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enum class GridType : unsigned {
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CIRCLE_POINTS = 0,
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SQUARE_POINTS,
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SQUARE_LINES,
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RULED
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} gridType = GridType::CIRCLE_POINTS;
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WorldScalar size{50000000};
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bool visible = true;
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WorldVec offset{0, 0};
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std::optional<SCollision::AABB<WorldScalar>> bounds;
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Vector4f color{1.0f, 1.0f, 1.0f, 1.0f};
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void set_remove_divisions_outwards(bool v);
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bool get_remove_divisions_outwards();
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void set_subdivisions(uint32_t v);
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uint32_t get_subdivisions();
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static unsigned GRID_UNIT_PIXEL_SIZE;
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private:
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bool removeDivisionsOutwards = false;
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uint32_t subdivisions = 1;
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struct ShaderData {
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SkColor4f gridColor;
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float mainGridScale;
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Vector2f mainGridClosestPoint;
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float mainGridPointSize;
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float divGridAlphaFrac;
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float divGridScale;
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Vector2f divGridClosestPoint;
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float divGridPointSize;
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};
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void draw_coordinates(SkCanvas* canvas, const DrawData& drawData, const WorldScalar& divWorldSize, const WorldScalar& gridCoordDivSize);
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static Vector2f get_closest_grid_point(const WorldVec& gridOffset, const WorldScalar& gridSize, const DrawData& drawData);
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static sk_sp<SkShader> get_shader(GridType gType, const ShaderData& shaderData);
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static sk_sp<SkRuntimeEffect> compile_effect_shader_init(const char* shaderName, const char* shaderCode);
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static Vector2f oldWindowSize;
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static sk_sp<SkRuntimeEffect> circlePointEffect;
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static sk_sp<SkRuntimeEffect> squarePointEffect;
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static sk_sp<SkRuntimeEffect> squareLinesEffect;
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static sk_sp<SkRuntimeEffect> ruledEffect;
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};
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