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https://github.com/minetest/minetest.git
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457 lines
11 KiB
C++
457 lines
11 KiB
C++
/*
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Minetest
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Copyright (C) 2019 rubenwardy
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "client/tile.h" // ITextureSource
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#include "client/fontengine.h"
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#include "debug.h"
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#include "irrlichttypes_extrabloated.h"
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#include "util/string.h"
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#include <algorithm>
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#include <array>
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#include <vector>
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#pragma once
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class StyleSpec
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{
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public:
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enum Property
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{
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TEXTCOLOR,
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BGCOLOR,
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BGCOLOR_HOVERED, // Note: Deprecated property
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BGCOLOR_PRESSED, // Note: Deprecated property
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NOCLIP,
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BORDER,
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BGIMG,
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BGIMG_HOVERED, // Note: Deprecated property
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BGIMG_MIDDLE,
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BGIMG_PRESSED, // Note: Deprecated property
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FGIMG,
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FGIMG_HOVERED, // Note: Deprecated property
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FGIMG_PRESSED, // Note: Deprecated property
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ALPHA,
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CONTENT_OFFSET,
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PADDING,
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FONT,
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FONT_SIZE,
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COLORS,
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BORDERCOLORS,
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BORDERWIDTHS,
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NUM_PROPERTIES,
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NONE
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};
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enum State
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{
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STATE_DEFAULT = 0,
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STATE_HOVERED = 1 << 0,
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STATE_PRESSED = 1 << 1,
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NUM_STATES = 1 << 2,
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STATE_INVALID = 1 << 3,
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};
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private:
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std::array<bool, NUM_PROPERTIES> property_set{};
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std::array<std::string, NUM_PROPERTIES> properties;
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State state_map = STATE_DEFAULT;
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public:
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static Property GetPropertyByName(const std::string &name)
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{
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if (name == "textcolor") {
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return TEXTCOLOR;
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} else if (name == "bgcolor") {
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return BGCOLOR;
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} else if (name == "bgcolor_hovered") {
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return BGCOLOR_HOVERED;
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} else if (name == "bgcolor_pressed") {
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return BGCOLOR_PRESSED;
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} else if (name == "noclip") {
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return NOCLIP;
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} else if (name == "border") {
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return BORDER;
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} else if (name == "bgimg") {
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return BGIMG;
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} else if (name == "bgimg_hovered") {
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return BGIMG_HOVERED;
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} else if (name == "bgimg_middle") {
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return BGIMG_MIDDLE;
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} else if (name == "bgimg_pressed") {
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return BGIMG_PRESSED;
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} else if (name == "fgimg") {
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return FGIMG;
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} else if (name == "fgimg_hovered") {
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return FGIMG_HOVERED;
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} else if (name == "fgimg_pressed") {
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return FGIMG_PRESSED;
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} else if (name == "alpha") {
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return ALPHA;
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} else if (name == "content_offset") {
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return CONTENT_OFFSET;
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} else if (name == "padding") {
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return PADDING;
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} else if (name == "font") {
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return FONT;
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} else if (name == "font_size") {
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return FONT_SIZE;
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} else if (name == "colors") {
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return COLORS;
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} else if (name == "bordercolors") {
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return BORDERCOLORS;
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} else if (name == "borderwidths") {
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return BORDERWIDTHS;
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} else {
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return NONE;
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}
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}
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std::string get(Property prop, std::string def) const
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{
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const auto &val = properties[prop];
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return val.empty() ? def : val;
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}
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void set(Property prop, const std::string &value)
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{
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properties[prop] = value;
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property_set[prop] = true;
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}
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//! Parses a name and returns the corresponding state enum
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static State getStateByName(const std::string &name)
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{
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if (name == "default") {
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return STATE_DEFAULT;
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} else if (name == "hovered") {
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return STATE_HOVERED;
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} else if (name == "pressed") {
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return STATE_PRESSED;
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} else {
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return STATE_INVALID;
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}
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}
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//! Gets the state that this style is intended for
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State getState() const
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{
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return state_map;
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}
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//! Set the given state on this style
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void addState(State state)
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{
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FATAL_ERROR_IF(state >= NUM_STATES, "Out-of-bounds state received");
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state_map = static_cast<State>(state_map | state);
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}
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//! Using a list of styles mapped to state values, calculate the final
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// combined style for a state by propagating values in its component states
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static StyleSpec getStyleFromStatePropagation(const std::array<StyleSpec, NUM_STATES> &styles, State state)
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{
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StyleSpec temp = styles[StyleSpec::STATE_DEFAULT];
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temp.state_map = state;
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for (int i = StyleSpec::STATE_DEFAULT + 1; i <= state; i++) {
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if ((state & i) != 0) {
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temp = temp | styles[i];
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}
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}
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return temp;
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}
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video::SColor getColor(Property prop, video::SColor def) const
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{
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const auto &val = properties[prop];
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if (val.empty()) {
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return def;
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}
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parseColorString(val, def, false, 0xFF);
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return def;
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}
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video::SColor getColor(Property prop) const
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{
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const auto &val = properties[prop];
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FATAL_ERROR_IF(val.empty(), "Unexpected missing property");
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video::SColor color;
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parseColorString(val, color, false, 0xFF);
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return color;
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}
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std::array<video::SColor, 4> getColorArray(Property prop,
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std::array<video::SColor, 4> def) const
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{
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const auto &val = properties[prop];
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if (val.empty())
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return def;
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std::vector<std::string> strs;
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if (!parseArray(val, strs))
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return def;
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for (size_t i = 0; i <= 3; i++) {
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video::SColor color;
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if (parseColorString(strs[i], color, false, 0xff))
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def[i] = color;
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}
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return def;
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}
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std::array<s32, 4> getIntArray(Property prop, std::array<s32, 4> def) const
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{
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const auto &val = properties[prop];
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if (val.empty())
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return def;
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std::vector<std::string> strs;
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if (!parseArray(val, strs))
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return def;
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for (size_t i = 0; i <= 3; i++)
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def[i] = stoi(strs[i]);
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return def;
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}
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irr::core::rect<s32> getRect(Property prop, irr::core::rect<s32> def) const
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{
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const auto &val = properties[prop];
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if (val.empty())
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return def;
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irr::core::rect<s32> rect;
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if (!parseRect(val, &rect))
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return def;
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return rect;
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}
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irr::core::rect<s32> getRect(Property prop) const
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{
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const auto &val = properties[prop];
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FATAL_ERROR_IF(val.empty(), "Unexpected missing property");
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irr::core::rect<s32> rect;
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parseRect(val, &rect);
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return rect;
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}
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irr::core::vector2d<s32> getVector2i(Property prop, irr::core::vector2d<s32> def) const
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{
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const auto &val = properties[prop];
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if (val.empty())
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return def;
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irr::core::vector2d<s32> vec;
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if (!parseVector2i(val, &vec))
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return def;
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return vec;
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}
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irr::core::vector2d<s32> getVector2i(Property prop) const
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{
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const auto &val = properties[prop];
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FATAL_ERROR_IF(val.empty(), "Unexpected missing property");
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irr::core::vector2d<s32> vec;
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parseVector2i(val, &vec);
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return vec;
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}
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gui::IGUIFont *getFont() const
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{
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FontSpec spec(FONT_SIZE_UNSPECIFIED, FM_Standard, false, false);
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const std::string &font = properties[FONT];
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const std::string &size = properties[FONT_SIZE];
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if (font.empty() && size.empty())
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return nullptr;
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std::vector<std::string> modes = split(font, ',');
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for (size_t i = 0; i < modes.size(); i++) {
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if (modes[i] == "normal")
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spec.mode = FM_Standard;
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else if (modes[i] == "mono")
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spec.mode = FM_Mono;
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else if (modes[i] == "bold")
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spec.bold = true;
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else if (modes[i] == "italic")
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spec.italic = true;
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}
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if (!size.empty()) {
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int calc_size = 1;
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if (size[0] == '*') {
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std::string new_size = size.substr(1); // Remove '*' (invalid for stof)
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calc_size = stof(new_size) * g_fontengine->getFontSize(spec.mode);
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} else if (size[0] == '+' || size[0] == '-') {
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calc_size = stoi(size) + g_fontengine->getFontSize(spec.mode);
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} else {
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calc_size = stoi(size);
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}
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spec.size = (unsigned)std::min(std::max(calc_size, 1), 999);
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}
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return g_fontengine->getFont(spec);
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}
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video::ITexture *getTexture(Property prop, ISimpleTextureSource *tsrc,
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video::ITexture *def) const
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{
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const auto &val = properties[prop];
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if (val.empty()) {
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return def;
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}
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video::ITexture *texture = tsrc->getTexture(val);
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return texture;
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}
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video::ITexture *getTexture(Property prop, ISimpleTextureSource *tsrc) const
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{
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const auto &val = properties[prop];
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FATAL_ERROR_IF(val.empty(), "Unexpected missing property");
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video::ITexture *texture = tsrc->getTexture(val);
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return texture;
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}
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bool getBool(Property prop, bool def) const
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{
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const auto &val = properties[prop];
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if (val.empty()) {
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return def;
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}
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return is_yes(val);
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}
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inline bool isNotDefault(Property prop) const
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{
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return !properties[prop].empty();
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}
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inline bool hasProperty(Property prop) const { return property_set[prop]; }
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StyleSpec &operator|=(const StyleSpec &other)
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{
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for (size_t i = 0; i < NUM_PROPERTIES; i++) {
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auto prop = (Property)i;
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if (other.hasProperty(prop)) {
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set(prop, other.get(prop, ""));
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}
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}
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return *this;
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}
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StyleSpec operator|(const StyleSpec &other) const
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{
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StyleSpec newspec = *this;
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newspec |= other;
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return newspec;
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}
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private:
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bool parseArray(const std::string &value, std::vector<std::string> &arr) const
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{
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std::vector<std::string> strs = split(value, ',');
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if (strs.size() == 1) {
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arr = {strs[0], strs[0], strs[0], strs[0]};
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} else if (strs.size() == 2) {
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arr = {strs[0], strs[1], strs[0], strs[1]};
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} else if (strs.size() == 4) {
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arr = strs;
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} else {
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warningstream << "Invalid array size (" << strs.size()
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<< " arguments): \"" << value << "\"" << std::endl;
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return false;
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}
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return true;
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}
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bool parseRect(const std::string &value, irr::core::rect<s32> *parsed_rect) const
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{
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irr::core::rect<s32> rect;
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std::vector<std::string> v_rect = split(value, ',');
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if (v_rect.size() == 1) {
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s32 x = stoi(v_rect[0]);
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rect.UpperLeftCorner = irr::core::vector2di(x, x);
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rect.LowerRightCorner = irr::core::vector2di(-x, -x);
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} else if (v_rect.size() == 2) {
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s32 x = stoi(v_rect[0]);
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s32 y = stoi(v_rect[1]);
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rect.UpperLeftCorner = irr::core::vector2di(x, y);
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rect.LowerRightCorner = irr::core::vector2di(-x, -y);
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// `-x` is interpreted as `w - x`
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} else if (v_rect.size() == 4) {
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rect.UpperLeftCorner = irr::core::vector2di(
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stoi(v_rect[0]), stoi(v_rect[1]));
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rect.LowerRightCorner = irr::core::vector2di(
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stoi(v_rect[2]), stoi(v_rect[3]));
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} else {
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warningstream << "Invalid rectangle string format: \"" << value
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<< "\"" << std::endl;
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return false;
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}
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*parsed_rect = rect;
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return true;
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}
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bool parseVector2i(const std::string &value, irr::core::vector2d<s32> *parsed_vec) const
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{
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irr::core::vector2d<s32> vec;
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std::vector<std::string> v_vector = split(value, ',');
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if (v_vector.size() == 1) {
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s32 x = stoi(v_vector[0]);
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vec.X = x;
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vec.Y = x;
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} else if (v_vector.size() == 2) {
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s32 x = stoi(v_vector[0]);
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s32 y = stoi(v_vector[1]);
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vec.X = x;
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vec.Y = y;
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} else {
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warningstream << "Invalid vector2d string format: \"" << value
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<< "\"" << std::endl;
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return false;
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}
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*parsed_vec = vec;
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return true;
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}
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};
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