ES-DE/es-core/src/components/HelpComponent.cpp

300 lines
14 KiB
C++

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