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300 lines
14 KiB
C++
300 lines
14 KiB
C++
// SPDX-License-Identifier: MIT
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//
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// EmulationStation Desktop Edition
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// HelpComponent.cpp
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//
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// Help information in icon and text pairs.
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//
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#include "components/HelpComponent.h"
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#include "Log.h"
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#include "Settings.h"
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#include "Window.h"
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#include "components/ComponentGrid.h"
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#include "components/ImageComponent.h"
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#include "components/TextComponent.h"
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#include "resources/TextureResource.h"
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#include "utils/StringUtil.h"
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static std::map<std::string, std::string> sIconPathMap {};
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HelpComponent::HelpComponent()
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{
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// Assign icons.
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assignIcons();
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}
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void HelpComponent::assignIcons()
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{
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std::string controllerType {Settings::getInstance()->getString("InputControllerType")};
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std::map<std::string, std::string> sIconPathMapOld {sIconPathMap};
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sIconPathMap.clear();
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// These graphics files are common between all controller types.
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sIconPathMap["up/down"] = mStyle.mCustomButtons.dpad_updown.empty() ?
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":/graphics/help/dpad_updown.svg" :
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mStyle.mCustomButtons.dpad_updown;
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sIconPathMap["left/right"] = mStyle.mCustomButtons.dpad_leftright.empty() ?
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":/graphics/help/dpad_leftright.svg" :
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mStyle.mCustomButtons.dpad_leftright;
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sIconPathMap["up/down/left/right"] = mStyle.mCustomButtons.dpad_all.empty() ?
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":/graphics/help/dpad_all.svg" :
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mStyle.mCustomButtons.dpad_all;
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sIconPathMap["thumbstickclick"] = mStyle.mCustomButtons.thumbstick_click.empty() ?
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":/graphics/help/thumbstick_click.svg" :
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mStyle.mCustomButtons.thumbstick_click;
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sIconPathMap["l"] = mStyle.mCustomButtons.button_l.empty() ? ":/graphics/help/button_l.svg" :
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mStyle.mCustomButtons.button_l;
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sIconPathMap["r"] = mStyle.mCustomButtons.button_r.empty() ? ":/graphics/help/button_r.svg" :
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mStyle.mCustomButtons.button_r;
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sIconPathMap["lr"] = mStyle.mCustomButtons.button_lr.empty() ? ":/graphics/help/button_lr.svg" :
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mStyle.mCustomButtons.button_lr;
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sIconPathMap["lt"] = mStyle.mCustomButtons.button_lt.empty() ? ":/graphics/help/button_lt.svg" :
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mStyle.mCustomButtons.button_lt;
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sIconPathMap["rt"] = mStyle.mCustomButtons.button_rt.empty() ? ":/graphics/help/button_rt.svg" :
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mStyle.mCustomButtons.button_rt;
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// These graphics files are custom per controller type.
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if (controllerType == "snes") {
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sIconPathMap["a"] = mStyle.mCustomButtons.button_a_SNES.empty() ?
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":/graphics/help/button_a_SNES.svg" :
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mStyle.mCustomButtons.button_a_SNES;
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sIconPathMap["b"] = mStyle.mCustomButtons.button_b_SNES.empty() ?
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":/graphics/help/button_b_SNES.svg" :
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mStyle.mCustomButtons.button_b_SNES;
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sIconPathMap["x"] = mStyle.mCustomButtons.button_x_SNES.empty() ?
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":/graphics/help/button_x_SNES.svg" :
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mStyle.mCustomButtons.button_x_SNES;
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sIconPathMap["y"] = mStyle.mCustomButtons.button_y_SNES.empty() ?
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":/graphics/help/button_y_SNES.svg" :
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mStyle.mCustomButtons.button_y_SNES;
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sIconPathMap["start"] = mStyle.mCustomButtons.button_start_SNES.empty() ?
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":/graphics/help/button_start_SNES.svg" :
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mStyle.mCustomButtons.button_start_SNES;
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sIconPathMap["back"] = mStyle.mCustomButtons.button_back_SNES.empty() ?
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":/graphics/help/button_back_SNES.svg" :
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mStyle.mCustomButtons.button_back_SNES;
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}
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else if (controllerType == "ps4") {
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sIconPathMap["a"] = mStyle.mCustomButtons.button_a_PS.empty() ?
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":/graphics/help/button_a_PS.svg" :
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mStyle.mCustomButtons.button_a_PS;
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sIconPathMap["b"] = mStyle.mCustomButtons.button_b_PS.empty() ?
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":/graphics/help/button_b_PS.svg" :
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mStyle.mCustomButtons.button_b_PS;
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sIconPathMap["x"] = mStyle.mCustomButtons.button_x_PS.empty() ?
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":/graphics/help/button_x_PS.svg" :
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mStyle.mCustomButtons.button_x_PS;
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sIconPathMap["y"] = mStyle.mCustomButtons.button_y_PS.empty() ?
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":/graphics/help/button_y_PS.svg" :
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mStyle.mCustomButtons.button_y_PS;
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sIconPathMap["start"] = mStyle.mCustomButtons.button_start_PS4.empty() ?
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":/graphics/help/button_start_PS4.svg" :
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mStyle.mCustomButtons.button_start_PS4;
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sIconPathMap["back"] = mStyle.mCustomButtons.button_back_PS4.empty() ?
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":/graphics/help/button_back_PS4.svg" :
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mStyle.mCustomButtons.button_back_PS4;
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}
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else if (controllerType == "ps5") {
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sIconPathMap["a"] = mStyle.mCustomButtons.button_a_PS.empty() ?
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":/graphics/help/button_a_PS.svg" :
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mStyle.mCustomButtons.button_a_PS;
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sIconPathMap["b"] = mStyle.mCustomButtons.button_b_PS.empty() ?
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":/graphics/help/button_b_PS.svg" :
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mStyle.mCustomButtons.button_b_PS;
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sIconPathMap["x"] = mStyle.mCustomButtons.button_x_PS.empty() ?
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":/graphics/help/button_x_PS.svg" :
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mStyle.mCustomButtons.button_x_PS;
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sIconPathMap["y"] = mStyle.mCustomButtons.button_y_PS.empty() ?
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":/graphics/help/button_y_PS.svg" :
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mStyle.mCustomButtons.button_y_PS;
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sIconPathMap["start"] = mStyle.mCustomButtons.button_start_PS5.empty() ?
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":/graphics/help/button_start_PS5.svg" :
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mStyle.mCustomButtons.button_start_PS5;
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sIconPathMap["back"] = mStyle.mCustomButtons.button_back_PS5.empty() ?
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":/graphics/help/button_back_PS5.svg" :
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mStyle.mCustomButtons.button_back_PS5;
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}
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else if (controllerType == "xbox360") {
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sIconPathMap["a"] = mStyle.mCustomButtons.button_a_XBOX.empty() ?
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":/graphics/help/button_a_XBOX.svg" :
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mStyle.mCustomButtons.button_a_XBOX;
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sIconPathMap["b"] = mStyle.mCustomButtons.button_b_XBOX.empty() ?
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":/graphics/help/button_b_XBOX.svg" :
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mStyle.mCustomButtons.button_b_XBOX;
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sIconPathMap["x"] = mStyle.mCustomButtons.button_x_XBOX.empty() ?
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":/graphics/help/button_x_XBOX.svg" :
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mStyle.mCustomButtons.button_x_XBOX;
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sIconPathMap["y"] = mStyle.mCustomButtons.button_y_XBOX.empty() ?
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":/graphics/help/button_y_XBOX.svg" :
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mStyle.mCustomButtons.button_y_XBOX;
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sIconPathMap["start"] = mStyle.mCustomButtons.button_start_XBOX360.empty() ?
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":/graphics/help/button_start_XBOX360.svg" :
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mStyle.mCustomButtons.button_start_XBOX360;
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sIconPathMap["back"] = mStyle.mCustomButtons.button_back_XBOX360.empty() ?
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":/graphics/help/button_back_XBOX360.svg" :
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mStyle.mCustomButtons.button_back_XBOX360;
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}
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else {
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// Xbox One and later.
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sIconPathMap["a"] = mStyle.mCustomButtons.button_a_XBOX.empty() ?
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":/graphics/help/button_a_XBOX.svg" :
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mStyle.mCustomButtons.button_a_XBOX;
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sIconPathMap["b"] = mStyle.mCustomButtons.button_b_XBOX.empty() ?
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":/graphics/help/button_b_XBOX.svg" :
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mStyle.mCustomButtons.button_b_XBOX;
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sIconPathMap["x"] = mStyle.mCustomButtons.button_x_XBOX.empty() ?
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":/graphics/help/button_x_XBOX.svg" :
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mStyle.mCustomButtons.button_x_XBOX;
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sIconPathMap["y"] = mStyle.mCustomButtons.button_y_XBOX.empty() ?
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":/graphics/help/button_y_XBOX.svg" :
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mStyle.mCustomButtons.button_y_XBOX;
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sIconPathMap["start"] = mStyle.mCustomButtons.button_start_XBOX.empty() ?
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":/graphics/help/button_start_XBOX.svg" :
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mStyle.mCustomButtons.button_start_XBOX;
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sIconPathMap["back"] = mStyle.mCustomButtons.button_back_XBOX.empty() ?
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":/graphics/help/button_back_XBOX.svg" :
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mStyle.mCustomButtons.button_back_XBOX;
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}
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// Invalidate cache for icons that have changed.
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auto it = sIconPathMap.begin();
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while (it != sIconPathMap.end()) {
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if (sIconPathMapOld.find(it->first) != sIconPathMapOld.end()) {
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if (sIconPathMapOld[it->first] != sIconPathMap[it->first]) {
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if (mIconCache.find(it->first) != mIconCache.end()) {
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mIconCache.erase(mIconCache.find(it->first));
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}
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}
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}
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++it;
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}
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}
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void HelpComponent::clearPrompts()
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{
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mPrompts.clear();
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updateGrid();
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}
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void HelpComponent::setPrompts(const std::vector<HelpPrompt>& prompts)
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{
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mPrompts = prompts;
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updateGrid();
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}
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void HelpComponent::setStyle(const HelpStyle& style)
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{
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mStyle = style;
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updateGrid();
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assignIcons();
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}
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void HelpComponent::updateGrid()
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{
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if (!Settings::getInstance()->getBool("ShowHelpPrompts") || mPrompts.empty()) {
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mGrid.reset();
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return;
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}
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std::shared_ptr<Font>& font = mStyle.font;
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mGrid = std::make_shared<ComponentGrid>(glm::ivec2 {static_cast<int>(mPrompts.size()) * 4, 1});
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// [icon] [spacer1] [text] [spacer2]
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std::vector<std::shared_ptr<ImageComponent>> icons;
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std::vector<std::shared_ptr<TextComponent>> labels;
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float width {0.0f};
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const float height {std::round(font->getLetterHeight() * 1.25f)};
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// State variable indicating whether gui is dimmed.
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bool isDimmed {mWindow->isBackgroundDimmed()};
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for (auto it = mPrompts.cbegin(); it != mPrompts.cend(); ++it) {
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auto icon = std::make_shared<ImageComponent>();
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icon->setImage(getIconTexture(it->first.c_str()), false);
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icon->setColorShift(isDimmed ? mStyle.iconColorDimmed : mStyle.iconColor);
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icon->setResize(0, height);
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icon->setOpacity(mStyle.opacity);
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icons.push_back(icon);
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// Apply text style and color from the theme to the label and add it to the label list.
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std::string lblInput {it->second};
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if (mStyle.letterCase == "lowercase")
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lblInput = Utils::String::toLower(lblInput);
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else if (mStyle.letterCase == "capitalize")
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lblInput = Utils::String::toCapitalized(lblInput);
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else
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lblInput = Utils::String::toUpper(lblInput);
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auto lbl = std::make_shared<TextComponent>(
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lblInput, font, isDimmed ? mStyle.textColorDimmed : mStyle.textColor);
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lbl->setOpacity(mStyle.opacity);
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labels.push_back(lbl);
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width +=
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icon->getSize().x + lbl->getSize().x +
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((mStyle.iconTextSpacing + mStyle.entrySpacing) * Renderer::getScreenWidthModifier());
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}
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mGrid->setSize(width, height);
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for (unsigned int i = 0; i < icons.size(); ++i) {
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const int col = i * 4;
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mGrid->setColWidthPerc(col, icons.at(i)->getSize().x / width);
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mGrid->setColWidthPerc(
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col + 1, (mStyle.iconTextSpacing * Renderer::getScreenWidthModifier()) / width);
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mGrid->setColWidthPerc(col + 2, labels.at(i)->getSize().x / width);
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mGrid->setEntry(icons.at(i), glm::ivec2 {col, 0}, false, false);
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mGrid->setEntry(labels.at(i), glm::ivec2 {col + 2, 0}, false, false);
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}
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mGrid->setPosition({mStyle.position.x, mStyle.position.y, 0.0f});
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mGrid->setOrigin(mStyle.origin);
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}
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std::shared_ptr<TextureResource> HelpComponent::getIconTexture(const char* name)
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{
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auto it = mIconCache.find(name);
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if (it != mIconCache.cend())
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return it->second;
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auto pathLookup = sIconPathMap.find(name);
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if (pathLookup == sIconPathMap.cend()) {
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LOG(LogError) << "Unknown help icon \"" << name << "\"";
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return nullptr;
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}
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if (!ResourceManager::getInstance().fileExists(pathLookup->second)) {
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LOG(LogError) << "Couldn't load help icon \"" << name << "\" as the file \""
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<< pathLookup->second << "\" is missing";
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return nullptr;
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}
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std::shared_ptr<TextureResource> tex {
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TextureResource::get(pathLookup->second, false, false, false)};
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mIconCache[std::string(name)] = tex;
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return tex;
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}
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void HelpComponent::setOpacity(float opacity)
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{
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GuiComponent::setOpacity(opacity * mStyle.opacity);
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for (unsigned int i = 0; i < mGrid->getChildCount(); ++i)
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mGrid->getChild(i)->setOpacity(opacity * mStyle.opacity);
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}
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void HelpComponent::render(const glm::mat4& parentTrans)
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{
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glm::mat4 trans {parentTrans * getTransform()};
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if (mGrid)
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mGrid->render(trans);
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}
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