Added pause menu, new F3 debug panel, fogCurve setting

src/frontend/gui/controls.cpp

@@ -0,0 +1,133 @@
+#include "controls.h"
+
+#include <iostream>
+
+#include "../../assets/Assets.h"
+#include "../../graphics/Batch2D.h"
+#include "../../graphics/Font.h"
+
+using std::string;
+using std::wstring;
+using std::shared_ptr;
+using glm::vec2;
+
+#define KEY_ESCAPE 256
+#define KEY_ENTER 257
+#define KEY_BACKSPACE 259
+
+using namespace gui;
+
+Label::Label(wstring text, string fontName) 
+ : UINode(vec2(), vec2(text.length() * 8, 15)), text_(text), fontName_(fontName) {
+}
+
+Label& Label::text(wstring text) {
+    this->text_ = text;
+    return *this;
+}
+
+wstring Label::text() const {
+    return text_;
+}
+
+void Label::draw(Batch2D* batch, Assets* assets) {
+    if (supplier) {
+        text(supplier());
+    }
+    batch->color = color_;
+    Font* font = assets->getFont(fontName_);
+    vec2 size = this->size();
+    vec2 newsize = vec2(font->calcWidth(text_), font->lineHeight());
+    if (newsize.x > size.x) {
+        this->size(newsize);
+        size = newsize;
+    }
+    vec2 coord = calcCoord();
+    font->draw(batch, text_, coord.x, coord.y);
+}
+
+void Label::textSupplier(wstringsupplier supplier) {
+    this->supplier = supplier;
+}
+
+Button::Button(shared_ptr<UINode> content, glm::vec4 padding) : Panel(vec2(32,32), padding, 0) {
+    add(content);
+}
+
+Button::Button(wstring text, glm::vec4 padding) : Panel(vec2(32,32), padding, 0) {
+    Label* label = new Label(text);
+    label->align(Align::center);
+    add(shared_ptr<UINode>(label));
+}
+
+void Button::drawBackground(Batch2D* batch, Assets* assets) {
+    vec2 coord = calcCoord();
+    batch->texture(nullptr);
+    batch->color = (ispressed() ? pressedColor : (hover_ ? hoverColor : color_));
+    batch->rect(coord.x, coord.y, size_.x, size_.y);
+}
+
+shared_ptr<UINode> Button::getAt(vec2 pos, shared_ptr<UINode> self) {
+    return UINode::getAt(pos, self);
+}
+
+void Button::mouseRelease(GUI* gui, int x, int y) {
+    UINode::mouseRelease(gui, x, y);
+    if (isInside(vec2(x, y))) {
+        for (auto callback : actions) {
+            callback(gui);
+        }
+    }
+}
+
+void Button::listenAction(onaction action) {
+    actions.push_back(action);
+}
+
+TextBox::TextBox(wstring text, vec4 padding) : Panel(vec2(200,32), padding, 0, false) {
+    label = new Label(text);
+    label->align(Align::center);
+    add(shared_ptr<UINode>(label));
+}
+
+void TextBox::drawBackground(Batch2D* batch, Assets* assets) {
+    vec2 coord = calcCoord();
+    batch->texture(nullptr);
+    batch->color = (isfocused() ? focusedColor : (hover_ ? hoverColor : color_));
+    batch->rect(coord.x, coord.y, size_.x, size_.y);
+    if (!focused_ && supplier) {
+        label->text(supplier());
+    }
+}
+
+void TextBox::typed(unsigned int codepoint) {
+    label->text(label->text() + wstring({(wchar_t)codepoint}));    
+}
+
+void TextBox::keyPressed(int key) {
+    wstring src = label->text();
+    switch (key) {
+        case KEY_BACKSPACE:
+            if (src.length())
+                label->text(src.substr(0, src.length()-1));
+            break;
+        case KEY_ENTER:
+            if (consumer) {
+                consumer(label->text());
+            }
+            defocus();
+            break;
+    }
+}
+
+shared_ptr<UINode> TextBox::getAt(vec2 pos, shared_ptr<UINode> self) {
+    return UINode::getAt(pos, self);
+}
+
+void TextBox::textSupplier(wstringsupplier supplier) {
+    this->supplier = supplier;
+}
+
+void TextBox::textConsumer(wstringconsumer consumer) {
+    this->consumer = consumer;
+}