diff options
Diffstat (limited to 'scene/gui/texture_progress_bar.cpp')
| -rw-r--r-- | scene/gui/texture_progress_bar.cpp | 556 |
1 files changed, 556 insertions, 0 deletions
diff --git a/scene/gui/texture_progress_bar.cpp b/scene/gui/texture_progress_bar.cpp new file mode 100644 index 0000000000..8278bd3689 --- /dev/null +++ b/scene/gui/texture_progress_bar.cpp @@ -0,0 +1,556 @@ +/*************************************************************************/ +/* texture_progress_bar.cpp */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md). */ +/* */ +/* 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. */ +/*************************************************************************/ + +#include "texture_progress_bar.h" + +#include "core/config/engine.h" + +void TextureProgressBar::set_under_texture(const Ref<Texture2D> &p_texture) { + under = p_texture; + update(); + minimum_size_changed(); +} + +Ref<Texture2D> TextureProgressBar::get_under_texture() const { + return under; +} + +void TextureProgressBar::set_over_texture(const Ref<Texture2D> &p_texture) { + over = p_texture; + update(); + if (under.is_null()) { + minimum_size_changed(); + } +} + +Ref<Texture2D> TextureProgressBar::get_over_texture() const { + return over; +} + +void TextureProgressBar::set_stretch_margin(Side p_side, int p_size) { + ERR_FAIL_INDEX((int)p_side, 4); + stretch_margin[p_side] = p_size; + update(); + minimum_size_changed(); +} + +int TextureProgressBar::get_stretch_margin(Side p_side) const { + ERR_FAIL_INDEX_V((int)p_side, 4, 0); + return stretch_margin[p_side]; +} + +void TextureProgressBar::set_nine_patch_stretch(bool p_stretch) { + nine_patch_stretch = p_stretch; + update(); + minimum_size_changed(); +} + +bool TextureProgressBar::get_nine_patch_stretch() const { + return nine_patch_stretch; +} + +Size2 TextureProgressBar::get_minimum_size() const { + if (nine_patch_stretch) { + return Size2(stretch_margin[SIDE_LEFT] + stretch_margin[SIDE_RIGHT], stretch_margin[SIDE_TOP] + stretch_margin[SIDE_BOTTOM]); + } else if (under.is_valid()) { + return under->get_size(); + } else if (over.is_valid()) { + return over->get_size(); + } else if (progress.is_valid()) { + return progress->get_size(); + } + + return Size2(1, 1); +} + +void TextureProgressBar::set_progress_texture(const Ref<Texture2D> &p_texture) { + progress = p_texture; + update(); + minimum_size_changed(); +} + +Ref<Texture2D> TextureProgressBar::get_progress_texture() const { + return progress; +} + +void TextureProgressBar::set_tint_under(const Color &p_tint) { + tint_under = p_tint; + update(); +} + +Color TextureProgressBar::get_tint_under() const { + return tint_under; +} + +void TextureProgressBar::set_tint_progress(const Color &p_tint) { + tint_progress = p_tint; + update(); +} + +Color TextureProgressBar::get_tint_progress() const { + return tint_progress; +} + +void TextureProgressBar::set_tint_over(const Color &p_tint) { + tint_over = p_tint; + update(); +} + +Color TextureProgressBar::get_tint_over() const { + return tint_over; +} + +Point2 TextureProgressBar::unit_val_to_uv(float val) { + if (progress.is_null()) { + return Point2(); + } + + if (val < 0) { + val += 1; + } + if (val > 1) { + val -= 1; + } + + Point2 p = get_relative_center(); + + // Minimal version of Liang-Barsky clipping algorithm + float angle = (val * Math_TAU) - Math_PI * 0.5; + Point2 dir = Vector2(Math::cos(angle), Math::sin(angle)); + float t1 = 1.0; + float cp = 0; + float cq = 0; + float cr = 0; + float edgeLeft = 0.0; + float edgeRight = 1.0; + float edgeBottom = 0.0; + float edgeTop = 1.0; + + for (int edge = 0; edge < 4; edge++) { + if (edge == 0) { + if (dir.x > 0) { + continue; + } + cq = -(edgeLeft - p.x); + dir.x *= 2.0 * cq; + cp = -dir.x; + } else if (edge == 1) { + if (dir.x < 0) { + continue; + } + cq = (edgeRight - p.x); + dir.x *= 2.0 * cq; + cp = dir.x; + } else if (edge == 2) { + if (dir.y > 0) { + continue; + } + cq = -(edgeBottom - p.y); + dir.y *= 2.0 * cq; + cp = -dir.y; + } else if (edge == 3) { + if (dir.y < 0) { + continue; + } + cq = (edgeTop - p.y); + dir.y *= 2.0 * cq; + cp = dir.y; + } + cr = cq / cp; + if (cr >= 0 && cr < t1) { + t1 = cr; + } + } + return (p + t1 * dir); +} + +Point2 TextureProgressBar::get_relative_center() { + if (progress.is_null()) { + return Point2(); + } + Point2 p = progress->get_size() / 2; + p += rad_center_off; + p.x /= progress->get_width(); + p.y /= progress->get_height(); + p.x = CLAMP(p.x, 0, 1); + p.y = CLAMP(p.y, 0, 1); + return p; +} + +void TextureProgressBar::draw_nine_patch_stretched(const Ref<Texture2D> &p_texture, FillMode p_mode, double p_ratio, const Color &p_modulate) { + Vector2 texture_size = p_texture->get_size(); + Vector2 topleft = Vector2(stretch_margin[SIDE_LEFT], stretch_margin[SIDE_TOP]); + Vector2 bottomright = Vector2(stretch_margin[SIDE_RIGHT], stretch_margin[SIDE_BOTTOM]); + + Rect2 src_rect = Rect2(Point2(), texture_size); + Rect2 dst_rect = Rect2(Point2(), get_size()); + + if (p_ratio < 1.0) { + // Drawing a partially-filled 9-patch is a little tricky - + // texture is divided by 3 sections toward fill direction, + // then middle section is stretching while the other two aren't. + + double width_total = 0.0; + double width_texture = 0.0; + double first_section_size = 0.0; + double last_section_size = 0.0; + switch (mode) { + case FILL_LEFT_TO_RIGHT: + case FILL_RIGHT_TO_LEFT: { + width_total = dst_rect.size.x; + width_texture = texture_size.x; + first_section_size = topleft.x; + last_section_size = bottomright.x; + } break; + case FILL_TOP_TO_BOTTOM: + case FILL_BOTTOM_TO_TOP: { + width_total = dst_rect.size.y; + width_texture = texture_size.y; + first_section_size = topleft.y; + last_section_size = bottomright.y; + } break; + case FILL_BILINEAR_LEFT_AND_RIGHT: { + // TODO: Implement + } break; + case FILL_BILINEAR_TOP_AND_BOTTOM: { + // TODO: Implement + } break; + case FILL_CLOCKWISE: + case FILL_CLOCKWISE_AND_COUNTER_CLOCKWISE: + case FILL_COUNTER_CLOCKWISE: { + // Those modes are circular, not relevant for nine patch + } break; + } + + double width_filled = width_total * p_ratio; + double middle_section_size = MAX(0.0, width_texture - first_section_size - last_section_size); + + middle_section_size *= MIN(1.0, (MAX(0.0, width_filled - first_section_size) / MAX(1.0, width_total - first_section_size - last_section_size))); + last_section_size = MAX(0.0, last_section_size - (width_total - width_filled)); + first_section_size = MIN(first_section_size, width_filled); + width_texture = MIN(width_texture, first_section_size + middle_section_size + last_section_size); + + switch (mode) { + case FILL_LEFT_TO_RIGHT: { + src_rect.size.x = width_texture; + dst_rect.size.x = width_filled; + topleft.x = first_section_size; + bottomright.x = last_section_size; + } break; + case FILL_RIGHT_TO_LEFT: { + src_rect.position.x += src_rect.size.x - width_texture; + src_rect.size.x = width_texture; + dst_rect.position.x += width_total - width_filled; + dst_rect.size.x = width_filled; + topleft.x = last_section_size; + bottomright.x = first_section_size; + } break; + case FILL_TOP_TO_BOTTOM: { + src_rect.size.y = width_texture; + dst_rect.size.y = width_filled; + bottomright.y = last_section_size; + topleft.y = first_section_size; + } break; + case FILL_BOTTOM_TO_TOP: { + src_rect.position.y += src_rect.size.y - width_texture; + src_rect.size.y = width_texture; + dst_rect.position.y += width_total - width_filled; + dst_rect.size.y = width_filled; + topleft.y = last_section_size; + bottomright.y = first_section_size; + } break; + case FILL_BILINEAR_LEFT_AND_RIGHT: { + // TODO: Implement + } break; + case FILL_BILINEAR_TOP_AND_BOTTOM: { + // TODO: Implement + } break; + case FILL_CLOCKWISE: + case FILL_CLOCKWISE_AND_COUNTER_CLOCKWISE: + case FILL_COUNTER_CLOCKWISE: { + // Those modes are circular, not relevant for nine patch + } break; + } + } + + p_texture->get_rect_region(dst_rect, src_rect, dst_rect, src_rect); + + RID ci = get_canvas_item(); + RS::get_singleton()->canvas_item_add_nine_patch(ci, dst_rect, src_rect, p_texture->get_rid(), topleft, bottomright, RS::NINE_PATCH_STRETCH, RS::NINE_PATCH_STRETCH, true, p_modulate); +} + +void TextureProgressBar::_notification(int p_what) { + const float corners[12] = { -0.125, -0.375, -0.625, -0.875, 0.125, 0.375, 0.625, 0.875, 1.125, 1.375, 1.625, 1.875 }; + switch (p_what) { + case NOTIFICATION_DRAW: { + if (nine_patch_stretch && (mode == FILL_LEFT_TO_RIGHT || mode == FILL_RIGHT_TO_LEFT || mode == FILL_TOP_TO_BOTTOM || mode == FILL_BOTTOM_TO_TOP)) { + if (under.is_valid()) { + draw_nine_patch_stretched(under, FILL_LEFT_TO_RIGHT, 1.0, tint_under); + } + if (progress.is_valid()) { + draw_nine_patch_stretched(progress, mode, get_as_ratio(), tint_progress); + } + if (over.is_valid()) { + draw_nine_patch_stretched(over, FILL_LEFT_TO_RIGHT, 1.0, tint_over); + } + } else { + if (under.is_valid()) { + draw_texture(under, Point2(), tint_under); + } + if (progress.is_valid()) { + Size2 s = progress->get_size(); + switch (mode) { + case FILL_LEFT_TO_RIGHT: { + Rect2 region = Rect2(Point2(), Size2(s.x * get_as_ratio(), s.y)); + draw_texture_rect_region(progress, region, region, tint_progress); + } break; + case FILL_RIGHT_TO_LEFT: { + Rect2 region = Rect2(Point2(s.x - s.x * get_as_ratio(), 0), Size2(s.x * get_as_ratio(), s.y)); + draw_texture_rect_region(progress, region, region, tint_progress); + } break; + case FILL_TOP_TO_BOTTOM: { + Rect2 region = Rect2(Point2(), Size2(s.x, s.y * get_as_ratio())); + draw_texture_rect_region(progress, region, region, tint_progress); + } break; + case FILL_BOTTOM_TO_TOP: { + Rect2 region = Rect2(Point2(0, s.y - s.y * get_as_ratio()), Size2(s.x, s.y * get_as_ratio())); + draw_texture_rect_region(progress, region, region, tint_progress); + } break; + case FILL_CLOCKWISE: + case FILL_COUNTER_CLOCKWISE: + case FILL_CLOCKWISE_AND_COUNTER_CLOCKWISE: { + if (nine_patch_stretch) { + s = get_size(); + } + + float val = get_as_ratio() * rad_max_degrees / 360; + if (val == 1) { + Rect2 region = Rect2(Point2(), s); + draw_texture_rect_region(progress, region, region, tint_progress); + } else if (val != 0) { + Array pts; + float direction = mode == FILL_COUNTER_CLOCKWISE ? -1 : 1; + float start; + + if (mode == FILL_CLOCKWISE_AND_COUNTER_CLOCKWISE) { + start = rad_init_angle / 360 - val / 2; + } else { + start = rad_init_angle / 360; + } + + float end = start + direction * val; + pts.append(start); + pts.append(end); + float from = MIN(start, end); + float to = MAX(start, end); + for (int i = 0; i < 12; i++) { + if (corners[i] > from && corners[i] < to) { + pts.append(corners[i]); + } + } + pts.sort(); + Vector<Point2> uvs; + Vector<Point2> points; + uvs.push_back(get_relative_center()); + points.push_back(Point2(s.x * get_relative_center().x, s.y * get_relative_center().y)); + for (int i = 0; i < pts.size(); i++) { + Point2 uv = unit_val_to_uv(pts[i]); + if (uvs.find(uv) >= 0) { + continue; + } + uvs.push_back(uv); + points.push_back(Point2(uv.x * s.x, uv.y * s.y)); + } + Vector<Color> colors; + colors.push_back(tint_progress); + draw_polygon(points, colors, uvs, progress); + } + if (Engine::get_singleton()->is_editor_hint()) { + Point2 p; + + if (nine_patch_stretch) { + p = get_size(); + } else { + p = progress->get_size(); + } + + p.x *= get_relative_center().x; + p.y *= get_relative_center().y; + p = p.floor(); + draw_line(p - Point2(8, 0), p + Point2(8, 0), Color(0.9, 0.5, 0.5), 2); + draw_line(p - Point2(0, 8), p + Point2(0, 8), Color(0.9, 0.5, 0.5), 2); + } + } break; + case FILL_BILINEAR_LEFT_AND_RIGHT: { + Rect2 region = Rect2(Point2(s.x / 2 - s.x * get_as_ratio() / 2, 0), Size2(s.x * get_as_ratio(), s.y)); + draw_texture_rect_region(progress, region, region, tint_progress); + } break; + case FILL_BILINEAR_TOP_AND_BOTTOM: { + Rect2 region = Rect2(Point2(0, s.y / 2 - s.y * get_as_ratio() / 2), Size2(s.x, s.y * get_as_ratio())); + draw_texture_rect_region(progress, region, region, tint_progress); + } break; + default: + draw_texture_rect_region(progress, Rect2(Point2(), Size2(s.x * get_as_ratio(), s.y)), Rect2(Point2(), Size2(s.x * get_as_ratio(), s.y)), tint_progress); + } + } + if (over.is_valid()) { + draw_texture(over, Point2(), tint_over); + } + } + } break; + } +} + +void TextureProgressBar::set_fill_mode(int p_fill) { + ERR_FAIL_INDEX(p_fill, 9); + mode = (FillMode)p_fill; + update(); +} + +int TextureProgressBar::get_fill_mode() { + return mode; +} + +void TextureProgressBar::set_radial_initial_angle(float p_angle) { + while (p_angle > 360) { + p_angle -= 360; + } + while (p_angle < 0) { + p_angle += 360; + } + rad_init_angle = p_angle; + update(); +} + +float TextureProgressBar::get_radial_initial_angle() { + return rad_init_angle; +} + +void TextureProgressBar::set_fill_degrees(float p_angle) { + rad_max_degrees = CLAMP(p_angle, 0, 360); + update(); +} + +float TextureProgressBar::get_fill_degrees() { + return rad_max_degrees; +} + +void TextureProgressBar::set_radial_center_offset(const Point2 &p_off) { + rad_center_off = p_off; + update(); +} + +Point2 TextureProgressBar::get_radial_center_offset() { + return rad_center_off; +} + +void TextureProgressBar::_bind_methods() { + ClassDB::bind_method(D_METHOD("set_under_texture", "tex"), &TextureProgressBar::set_under_texture); + ClassDB::bind_method(D_METHOD("get_under_texture"), &TextureProgressBar::get_under_texture); + + ClassDB::bind_method(D_METHOD("set_progress_texture", "tex"), &TextureProgressBar::set_progress_texture); + ClassDB::bind_method(D_METHOD("get_progress_texture"), &TextureProgressBar::get_progress_texture); + + ClassDB::bind_method(D_METHOD("set_over_texture", "tex"), &TextureProgressBar::set_over_texture); + ClassDB::bind_method(D_METHOD("get_over_texture"), &TextureProgressBar::get_over_texture); + + ClassDB::bind_method(D_METHOD("set_fill_mode", "mode"), &TextureProgressBar::set_fill_mode); + ClassDB::bind_method(D_METHOD("get_fill_mode"), &TextureProgressBar::get_fill_mode); + + ClassDB::bind_method(D_METHOD("set_tint_under", "tint"), &TextureProgressBar::set_tint_under); + ClassDB::bind_method(D_METHOD("get_tint_under"), &TextureProgressBar::get_tint_under); + + ClassDB::bind_method(D_METHOD("set_tint_progress", "tint"), &TextureProgressBar::set_tint_progress); + ClassDB::bind_method(D_METHOD("get_tint_progress"), &TextureProgressBar::get_tint_progress); + + ClassDB::bind_method(D_METHOD("set_tint_over", "tint"), &TextureProgressBar::set_tint_over); + ClassDB::bind_method(D_METHOD("get_tint_over"), &TextureProgressBar::get_tint_over); + + ClassDB::bind_method(D_METHOD("set_radial_initial_angle", "mode"), &TextureProgressBar::set_radial_initial_angle); + ClassDB::bind_method(D_METHOD("get_radial_initial_angle"), &TextureProgressBar::get_radial_initial_angle); + + ClassDB::bind_method(D_METHOD("set_radial_center_offset", "mode"), &TextureProgressBar::set_radial_center_offset); + ClassDB::bind_method(D_METHOD("get_radial_center_offset"), &TextureProgressBar::get_radial_center_offset); + + ClassDB::bind_method(D_METHOD("set_fill_degrees", "mode"), &TextureProgressBar::set_fill_degrees); + ClassDB::bind_method(D_METHOD("get_fill_degrees"), &TextureProgressBar::get_fill_degrees); + + ClassDB::bind_method(D_METHOD("set_stretch_margin", "margin", "value"), &TextureProgressBar::set_stretch_margin); + ClassDB::bind_method(D_METHOD("get_stretch_margin", "margin"), &TextureProgressBar::get_stretch_margin); + + ClassDB::bind_method(D_METHOD("set_nine_patch_stretch", "stretch"), &TextureProgressBar::set_nine_patch_stretch); + ClassDB::bind_method(D_METHOD("get_nine_patch_stretch"), &TextureProgressBar::get_nine_patch_stretch); + + ADD_GROUP("Textures", "texture_"); + ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "texture_under", PROPERTY_HINT_RESOURCE_TYPE, "Texture2D"), "set_under_texture", "get_under_texture"); + ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "texture_over", PROPERTY_HINT_RESOURCE_TYPE, "Texture2D"), "set_over_texture", "get_over_texture"); + ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "texture_progress", PROPERTY_HINT_RESOURCE_TYPE, "Texture2D"), "set_progress_texture", "get_progress_texture"); + ADD_PROPERTY(PropertyInfo(Variant::INT, "fill_mode", PROPERTY_HINT_ENUM, "Left to Right,Right to Left,Top to Bottom,Bottom to Top,Clockwise,Counter Clockwise,Bilinear (Left and Right),Bilinear (Top and Bottom), Clockwise and Counter Clockwise"), "set_fill_mode", "get_fill_mode"); + ADD_GROUP("Tint", "tint_"); + ADD_PROPERTY(PropertyInfo(Variant::COLOR, "tint_under"), "set_tint_under", "get_tint_under"); + ADD_PROPERTY(PropertyInfo(Variant::COLOR, "tint_over"), "set_tint_over", "get_tint_over"); + ADD_PROPERTY(PropertyInfo(Variant::COLOR, "tint_progress"), "set_tint_progress", "get_tint_progress"); + ADD_GROUP("Radial Fill", "radial_"); + ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "radial_initial_angle", PROPERTY_HINT_RANGE, "0.0,360.0,0.1,slider"), "set_radial_initial_angle", "get_radial_initial_angle"); + ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "radial_fill_degrees", PROPERTY_HINT_RANGE, "0.0,360.0,0.1,slider"), "set_fill_degrees", "get_fill_degrees"); + ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "radial_center_offset"), "set_radial_center_offset", "get_radial_center_offset"); + ADD_GROUP("Stretch", "stretch_"); + ADD_PROPERTY(PropertyInfo(Variant::BOOL, "nine_patch_stretch"), "set_nine_patch_stretch", "get_nine_patch_stretch"); + ADD_PROPERTYI(PropertyInfo(Variant::INT, "stretch_margin_left", PROPERTY_HINT_RANGE, "0,16384,1"), "set_stretch_margin", "get_stretch_margin", SIDE_LEFT); + ADD_PROPERTYI(PropertyInfo(Variant::INT, "stretch_margin_top", PROPERTY_HINT_RANGE, "0,16384,1"), "set_stretch_margin", "get_stretch_margin", SIDE_TOP); + ADD_PROPERTYI(PropertyInfo(Variant::INT, "stretch_margin_right", PROPERTY_HINT_RANGE, "0,16384,1"), "set_stretch_margin", "get_stretch_margin", SIDE_RIGHT); + ADD_PROPERTYI(PropertyInfo(Variant::INT, "stretch_margin_bottom", PROPERTY_HINT_RANGE, "0,16384,1"), "set_stretch_margin", "get_stretch_margin", SIDE_BOTTOM); + + BIND_ENUM_CONSTANT(FILL_LEFT_TO_RIGHT); + BIND_ENUM_CONSTANT(FILL_RIGHT_TO_LEFT); + BIND_ENUM_CONSTANT(FILL_TOP_TO_BOTTOM); + BIND_ENUM_CONSTANT(FILL_BOTTOM_TO_TOP); + BIND_ENUM_CONSTANT(FILL_CLOCKWISE); + BIND_ENUM_CONSTANT(FILL_COUNTER_CLOCKWISE); + BIND_ENUM_CONSTANT(FILL_BILINEAR_LEFT_AND_RIGHT); + BIND_ENUM_CONSTANT(FILL_BILINEAR_TOP_AND_BOTTOM); + BIND_ENUM_CONSTANT(FILL_CLOCKWISE_AND_COUNTER_CLOCKWISE); +} + +TextureProgressBar::TextureProgressBar() { + mode = FILL_LEFT_TO_RIGHT; + rad_init_angle = 0; + rad_center_off = Point2(); + rad_max_degrees = 360; + set_mouse_filter(MOUSE_FILTER_PASS); + + nine_patch_stretch = false; + stretch_margin[SIDE_LEFT] = 0; + stretch_margin[SIDE_RIGHT] = 0; + stretch_margin[SIDE_BOTTOM] = 0; + stretch_margin[SIDE_TOP] = 0; + + tint_under = tint_progress = tint_over = Color(1, 1, 1); +} |