Stephen Seo
a6517b8982
This is to prevent slowdown when drawing per frame. Previously, the program would draw each individual triangle each frame. Now the draws are cached to a texture that is drawn each frame, and the cache is recreated on click or undo/redo events.
88 lines
2.1 KiB
C++
88 lines
2.1 KiB
C++
#ifndef TRIANGLES_STATE_HPP
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#define TRIANGLES_STATE_HPP
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#include <bitset>
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#include <vector>
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#include <array>
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#include <SFML/System.hpp>
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#include <SFML/Graphics.hpp>
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namespace Tri {
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class State {
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public:
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State(int argc, char **argv);
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~State();
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enum CurrentState {NONE = 0, FIRST = 1, SECOND = 2};
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private:
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/*
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* 0 - display help
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* 1 - is running
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* 2 - display color picker
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* 3 - color picker color dirty
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* 4 - bg color picker color dirty
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* 5 - display bg color picker
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* 6 - draw save
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* 7 - draw cache dirty
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* 8 - draw cache initialized
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*/
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typedef std::bitset<64> BitsetType;
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BitsetType flags;
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unsigned int width;
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unsigned int height;
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const sf::Time dt;
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float starting_help_alpha;
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sf::RenderWindow window;
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std::vector<sf::ConvexShape> tris;
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unsigned int trisIndex;
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sf::Vector2f currentTri[3];
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CurrentState currentTri_state;
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CurrentState currentTri_maxState;
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sf::CircleShape pointCircle;
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sf::Event event;
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float colorPickerColor[4];
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float bgColorPickerColor[3];
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sf::Color bgColor;
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typedef std::array<char, 256> FilenameBufferType;
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FilenameBufferType saveFilenameBuffer;
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std::string failedSaveMessage;
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sf::RenderTexture drawCache;
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sf::Sprite drawCacheSprite;
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public:
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void handle_events();
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void update();
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void draw();
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private:
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void draw_to_target(sf::RenderTarget *target, bool draw_points = true);
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public:
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unsigned int get_width() const;
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unsigned int get_height() const;
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const BitsetType get_flags() const;
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float get_starting_help_alpha() const;
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float* get_color();
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float* get_bg_color();
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FilenameBufferType* get_save_filename_buffer();
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bool do_save();
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std::string_view failed_save_message() const;
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void close_save();
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private:
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bool is_in_clickable_menu() const;
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};
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}
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#endif
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