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https://github.com/RetroDECK/ES-DE.git
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143 lines
4 KiB
C++
143 lines
4 KiB
C++
#include "components/HelpComponent.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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#include "Log.h"
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#include "Settings.h"
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#define OFFSET_X 12 // move the entire thing right by this amount (px)
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#define OFFSET_Y 12 // move the entire thing up by this amount (px)
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#define ICON_TEXT_SPACING 8 // space between [icon] and [text] (px)
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#define ENTRY_SPACING 16 // space between [text] and next [icon] (px)
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static const std::map<std::string, const char*> ICON_PATH_MAP {
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{ "up/down", ":/help/dpad_updown.svg" },
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{ "left/right", ":/help/dpad_leftright.svg" },
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{ "up/down/left/right", ":/help/dpad_all.svg" },
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{ "a", ":/help/button_a.svg" },
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{ "b", ":/help/button_b.svg" },
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{ "x", ":/help/button_x.svg" },
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{ "y", ":/help/button_y.svg" },
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{ "l", ":/help/button_l.svg" },
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{ "r", ":/help/button_r.svg" },
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{ "lr", ":/help/button_lr.svg" },
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{ "start", ":/help/button_start.svg" },
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{ "select", ":/help/button_select.svg" }
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};
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HelpComponent::HelpComponent(Window* window) : GuiComponent(window)
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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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}
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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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{
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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>(mWindow, Vector2i((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;
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const float height = Math::round(font->getLetterHeight() * 1.25f);
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for(auto it = mPrompts.cbegin(); it != mPrompts.cend(); it++)
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{
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auto icon = std::make_shared<ImageComponent>(mWindow);
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icon->setImage(getIconTexture(it->first.c_str()));
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icon->setColorShift(mStyle.iconColor);
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icon->setResize(0, height);
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icons.push_back(icon);
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auto lbl = std::make_shared<TextComponent>(mWindow, Utils::String::toUpper(it->second), font, mStyle.textColor);
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labels.push_back(lbl);
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width += icon->getSize().x() + lbl->getSize().x() + ICON_TEXT_SPACING + ENTRY_SPACING;
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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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{
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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(col + 1, ICON_TEXT_SPACING / width);
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mGrid->setColWidthPerc(col + 2, labels.at(i)->getSize().x() / width);
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mGrid->setEntry(icons.at(i), Vector2i(col, 0), false, false);
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mGrid->setEntry(labels.at(i), Vector2i(col + 2, 0), false, false);
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}
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mGrid->setPosition(Vector3f(mStyle.position.x(), mStyle.position.y(), 0.0f));
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//mGrid->setPosition(OFFSET_X, Renderer::getScreenHeight() - mGrid->getSize().y() - OFFSET_Y);
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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 = ICON_PATH_MAP.find(name);
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if(pathLookup == ICON_PATH_MAP.cend())
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{
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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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{
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LOG(LogError) << "Help icon \"" << name << "\" - corresponding image file \"" << pathLookup->second << "\" misisng!";
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return nullptr;
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}
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std::shared_ptr<TextureResource> tex = TextureResource::get(pathLookup->second);
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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(unsigned char opacity)
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{
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GuiComponent::setOpacity(opacity);
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for(unsigned int i = 0; i < mGrid->getChildCount(); i++)
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{
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mGrid->getChild(i)->setOpacity(opacity);
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}
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}
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void HelpComponent::render(const Transform4x4f& parentTrans)
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{
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Transform4x4f trans = parentTrans * getTransform();
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if(mGrid)
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mGrid->render(trans);
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}
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