/**************************************************************************/ /* line_builder.h */ /**************************************************************************/ /* This file is part of: */ /* GODOT ENGINE */ /* https://godotengine.org */ /**************************************************************************/ /* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */ /* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */ /* */ /* Permission is hereby granted, free of charge, to any person obtaining */ /* a copy of this software and associated documentation files (the */ /* "Software"), to deal in the Software without restriction, including */ /* without limitation the rights to use, copy, modify, merge, publish, */ /* distribute, sublicense, and/or sell copies of the Software, and to */ /* permit persons to whom the Software is furnished to do so, subject to */ /* the following conditions: */ /* */ /* The above copyright notice and this permission notice shall be */ /* included in all copies or substantial portions of the Software. */ /* */ /* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ /* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ /* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */ /* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ /* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ /* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ /**************************************************************************/ #ifndef LINE_BUILDER_H #define LINE_BUILDER_H #include "line_2d.h" class LineBuilder { public: // TODO Move in a struct and reference it // Input Vector<Vector2> points; Line2D::LineJointMode joint_mode = Line2D::LINE_JOINT_SHARP; Line2D::LineCapMode begin_cap_mode = Line2D::LINE_CAP_NONE; Line2D::LineCapMode end_cap_mode = Line2D::LINE_CAP_NONE; float width = 10.0; Curve *curve = nullptr; Color default_color = Color(0.4, 0.5, 1); Gradient *gradient = nullptr; Line2D::LineTextureMode texture_mode = Line2D::LineTextureMode::LINE_TEXTURE_NONE; float sharp_limit = 2.f; int round_precision = 8; float tile_aspect = 1.f; // w/h // TODO offset_joints option (offers alternative implementation of round joints) // TODO Move in a struct and reference it // Output Vector<Vector2> vertices; Vector<Color> colors; Vector<Vector2> uvs; Vector<int> indices; LineBuilder(); void build(); void clear_output(); private: enum Orientation { UP = 0, DOWN = 1 }; // Triangle-strip methods void strip_begin(Vector2 up, Vector2 down, Color color, float uvx); void strip_new_quad(Vector2 up, Vector2 down, Color color, float uvx); void strip_add_quad(Vector2 up, Vector2 down, Color color, float uvx); void strip_add_tri(Vector2 up, Orientation orientation); void strip_add_arc(Vector2 center, float angle_delta, Orientation orientation); void new_arc(Vector2 center, Vector2 vbegin, float angle_delta, Color color, Rect2 uv_rect); private: bool _interpolate_color = false; int _last_index[2] = {}; // Index of last up and down vertices of the strip }; #endif // LINE_BUILDER_H