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121 lines
4.3 KiB
C++
121 lines
4.3 KiB
C++
//
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// Created by Syméon on 09/02/2019.
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//
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#ifndef FEIS_LNMARKER_H
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#define FEIS_LNMARKER_H
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#include <filesystem>
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#include <list>
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#include <map>
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#include <iomanip>
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#include <SFML/Graphics/Texture.hpp>
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#include <SFML/Graphics/Sprite.hpp>
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#include <SFML/Graphics/RenderTexture.hpp>
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/*
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* This approach at displaying rotated textures is absolutely terrible, I should just dig a little bit into the internals
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* of Dear ImGui and pass in custom vertices and UVs when I want to rotate a texture but I don't feel confident enough rn
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*/
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class LNMarker {
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public:
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explicit LNMarker(std::filesystem::path folder="assets/textures/long");
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std::optional<std::reference_wrapper<sf::Texture>> getTriangleTexture(float seconds, int tail_pos);
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std::optional<std::reference_wrapper<sf::Texture>> getSquareHighlightTexture (float seconds, int tail_pos);
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std::optional<std::reference_wrapper<sf::Texture>> getSquareOutlineTexture (float seconds, int tail_pos);
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std::optional<std::reference_wrapper<sf::Texture>> getSquareBackgroundTexture(float seconds, int tail_pos);
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std::optional<std::reference_wrapper<sf::Texture>> getTailTexture(float seconds, int tail_pos);
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private:
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std::array<sf::Texture,16> triangle_appearance;
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std::array<sf::Texture,8> triangle_begin_cycle;
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std::array<sf::Texture,16> triangle_cycle;
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// I suppose you just layer the next 3 ?
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std::array<sf::Texture,16> square_highlight;
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std::array<sf::Texture,16> square_outline;
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std::array<sf::Texture,16> square_background;
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std::array<sf::Texture,16> tail_cycle;
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std::array<std::array<sf::Texture,16>,4> triangle_appearance_rotated;
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std::array<std::array<sf::Texture, 8>,4> triangle_begin_cycle_rotated;
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std::array<std::array<sf::Texture,16>,4> triangle_cycle_rotated;
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std::array<std::array<sf::Texture,16>,4> square_highlight_rotated;
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std::array<std::array<sf::Texture,16>,4> square_outline_rotated;
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std::array<std::array<sf::Texture,16>,4> square_background_rotated;
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std::array<std::array<sf::Texture,16>,4> tail_cycle_rotated;
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template<int number, int first=0>
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std::array<sf::Texture,number> load_tex_with_prefix(
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const std::filesystem::path &folder,
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const std::string &prefix,
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int left_padding = 3,
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const std::string &extension = ".png") {
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std::array<sf::Texture,number> res;
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for (int frame = first; frame <= first+number-1; frame++) {
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std::stringstream filename;
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filename << prefix << std::setfill('0') << std::setw(left_padding) << frame << extension;
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std::filesystem::path texFile = folder / filename.str();
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sf::Texture tex;
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if (!tex.loadFromFile(texFile.string())) {
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std::stringstream err;
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err << "Unable to load texture folder " << folder << "\nfailed on texture " << filename.str();
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throw std::runtime_error(err.str());
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}
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tex.setSmooth(true);
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res.at(frame-first) = tex;
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}
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return res;
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}
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template<int T>
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void load_rotated_variants(
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std::array<sf::Texture,T>& textures,
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std::array<std::array<sf::Texture,T>,4>& rotated_variants
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) {
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for (int rotation = 0; rotation < 4; rotation++) {
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for (auto i = 0; i < textures.size(); ++i) {
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sf::RenderTexture texture_1;
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if (!texture_1.create(160,160)) {
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throw std::runtime_error("Error creating RenderTexture");
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}
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texture_1.setSmooth(true);
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sf::RenderTexture texture_2;
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if (!texture_2.create(160,160)) {
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throw std::runtime_error("Error creating RenderTexture");
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}
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texture_2.setSmooth(true);
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auto s = sf::Sprite(textures.at(i));
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s.setOrigin(80.f,80.f);
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s.setPosition(80.f,80.f);
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s.rotate(90.0f*rotation);
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texture_1.draw(s);
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auto s2 = sf::Sprite(texture_1.getTexture());
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texture_2.draw(s2);
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rotated_variants.at(rotation).at(i) = texture_2.getTexture();
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rotated_variants.at(rotation).at(i).setSmooth(true);
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rotated_variants.at(rotation).at(i).setRepeated(true);
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}
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}
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}
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};
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#endif //FEIS_LNMARKER_H
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