Merge branch 'MihailRis:main' into main

src/assets/AssetsLoader.cpp

@@ -2,9 +2,12 @@
 #include "Assets.h"
 
 #include <iostream>
+#include <memory>
 
 #include "../constants.h"
 
+using std::unique_ptr;
+
 AssetsLoader::AssetsLoader(Assets* assets) : assets(assets) {
 }
 
@@ -62,18 +65,17 @@ bool _load_texture(Assets* assets, const std::string& filename, const std::strin
 }
 
 bool _load_atlas(Assets* assets, const std::string& filename, const std::string& name) {
-	ImageData* image = png::load_image(filename);
+	unique_ptr<ImageData> image (png::load_image(filename));
 	if (image == nullptr) {
 		std::cerr << "failed to load image '" << name << "'" << std::endl;
 		return false;
 	}
 	for (int i = 0; i < ATLAS_MARGIN_SIZE; i++) {
-		ImageData* newimage = add_atlas_margins(image, 16);
-		delete image;
-		image = newimage;
+		ImageData* newimage = add_atlas_margins(image.get(), 16);
+		image.reset(newimage);
 	}
 
-	Texture* texture = Texture::from(image);
+	Texture* texture = Texture::from(image.get());
 	assets->store(texture, name);
 	return true;
 }
@@ -101,14 +103,14 @@ void AssetsLoader::createDefaults(AssetsLoader& loader) {
 }
 
 void AssetsLoader::addDefaults(AssetsLoader& loader) {
-	loader.add(ASSET_SHADER, "res/main", "main");
-	loader.add(ASSET_SHADER, "res/lines", "lines");
-	loader.add(ASSET_SHADER, "res/ui", "ui");
+	loader.add(ASSET_SHADER, SHADERS_FOLDER"/main", "main");
+	loader.add(ASSET_SHADER, SHADERS_FOLDER"/lines", "lines");
+	loader.add(ASSET_SHADER, SHADERS_FOLDER"/ui", "ui");
 
-	loader.add(ASSET_ATLAS, "res/block.png", "block");
-	loader.add(ASSET_TEXTURE, "res/block.png", "block_tex");
-	loader.add(ASSET_TEXTURE, "res/slot.png", "slot");
-	loader.add(ASSET_TEXTURE, "res/menubg.png", "menubg");
+	loader.add(ASSET_ATLAS, TEXTURES_FOLDER"/block.png", "block");
+	loader.add(ASSET_TEXTURE, TEXTURES_FOLDER"/block.png", "block_tex");
+	loader.add(ASSET_TEXTURE, TEXTURES_FOLDER"/slot.png", "slot");
+	loader.add(ASSET_TEXTURE, TEXTURES_FOLDER"/menubg.png", "menubg");
 
-	loader.add(ASSET_FONT, "res/font", "normal");
+	loader.add(ASSET_FONT, FONTS_FOLDER"/font", "normal");
 }

src/coders/json.cpp

@@ -258,6 +258,10 @@ JObject& JObject::put(string key, string value){
     return *this;
 }
 
+JObject& JObject::put(std::string key, const char* value) {
+    return put(key, string(value));
+}
+
 JObject& JObject::put(string key, JObject* value){
     auto found = map.find(key);
     if (found != map.end()) delete found->second;

src/coders/json.h

@@ -81,6 +81,7 @@ namespace json {
         JObject& put(std::string key, int value);
         JObject& put(std::string key, float value);
         JObject& put(std::string key, double value);
+        JObject& put(std::string key, const char* value);
         JObject& put(std::string key, std::string value);
         JObject& put(std::string key, JObject* value);
         JObject& put(std::string key, JArray* value);

src/coders/png.cpp

@@ -326,12 +326,12 @@ ImageData* png::load_image(std::string filename) {
 }
 
 Texture* png::load_texture(std::string filename) {
-	ImageData* image = _png_load(filename.c_str());
+	unique_ptr<ImageData> image (_png_load(filename.c_str()));
 	if (image == nullptr){
 		std::cerr << "Could not load image " << filename << std::endl;
 		return nullptr;
 	}
-	return Texture::from(image);
+	return Texture::from(image.get());
 }
 
 void png::write_image(std::string filename, const ImageData* image) {

src/constants.h

@@ -20,4 +20,10 @@ inline uint vox_index(int x, int y, int z, int w, int d) {
 
 #define ATLAS_MARGIN_SIZE 2
 
+#define RES_FLODER "res/"
+
+#define SHADERS_FOLDER "res/shaders"
+#define TEXTURES_FOLDER "res/textures"
+#define FONTS_FOLDER "res/fonts"
+
 #endif // SRC_CONSTANTS_H_

src/core_defs.h

@@ -0,0 +1,21 @@
+#ifndef SRC_CORE_DEFS_H_
+#define SRC_CORE_DEFS_H_
+
+/* blocks and bindings used in engine code */
+
+#define BLOCK_AIR 0
+
+#define BIND_MOVE_FORWARD "movement.forward"
+#define BIND_MOVE_BACK "movement.back"
+#define BIND_MOVE_LEFT "movement.left"
+#define BIND_MOVE_RIGHT "movement.right"
+#define BIND_MOVE_JUMP "movement.jump"
+#define BIND_MOVE_SPRINT "movement.sprint"
+#define BIND_MOVE_CROUCH "movement.crouch"
+#define BIND_MOVE_CHEAT "movement.cheat"
+#define BIND_CAM_ZOOM "camera.zoom"
+#define BIND_PLAYER_NOCLIP "player.noclip"
+#define BIND_PLAYER_FLIGHT "player.flight"
+#define BIND_HUD_INVENTORY "hud.inventory"
+
+#endif // SRC_CORE_DEFS_H_

src/definitions.cpp

@@ -1,6 +1,8 @@
 #include "definitions.h"
 
 #include "window/Window.h"
+#include "window/Events.h"
+#include "window/input.h"
 #include "voxels/Block.h"
 
 // All in-game definitions (blocks, items, etc..)
@@ -91,3 +93,18 @@ void setup_definitions() {
 	block = new Block(BLOCK_RUST, 19);
 	Block::blocks[block->id] = block;
 }
+
+void setup_bindings() {
+	Events::bind(BIND_MOVE_FORWARD, inputtype::keyboard, keycode::W);
+	Events::bind(BIND_MOVE_BACK, inputtype::keyboard, keycode::S);
+	Events::bind(BIND_MOVE_RIGHT, inputtype::keyboard, keycode::D);
+	Events::bind(BIND_MOVE_LEFT, inputtype::keyboard, keycode::A);
+	Events::bind(BIND_MOVE_JUMP, inputtype::keyboard, keycode::SPACE);
+	Events::bind(BIND_MOVE_SPRINT, inputtype::keyboard, keycode::LEFT_CONTROL);
+	Events::bind(BIND_MOVE_CROUCH, inputtype::keyboard, keycode::LEFT_SHIFT);
+	Events::bind(BIND_MOVE_CHEAT, inputtype::keyboard, keycode::R);
+	Events::bind(BIND_CAM_ZOOM, inputtype::keyboard, keycode::C);
+	Events::bind(BIND_PLAYER_NOCLIP, inputtype::keyboard, keycode::N);
+	Events::bind(BIND_PLAYER_FLIGHT, inputtype::keyboard, keycode::F);
+	Events::bind(BIND_HUD_INVENTORY, inputtype::keyboard, keycode::TAB);
+}

src/definitions.h

@@ -2,8 +2,8 @@
 #define DECLARATIONS_H
 
 #include <iostream>
+#include "core_defs.h"
 
-#define BLOCK_AIR 0
 #define BLOCK_DIRT 1
 #define BLOCK_GRASS_BLOCK 2
 #define BLOCK_LAMP 3
@@ -21,7 +21,8 @@
 #define BLOCK_METAL 15
 #define BLOCK_RUST 16
 
-void setup_definitions();
+extern void setup_bindings();
+extern void setup_definitions();
 
 #endif // DECLARATIONS_H
 

src/engine.cpp

@@ -59,8 +59,6 @@ Engine::Engine(EngineSettings& settings) : settings(settings) {
 	Audio::initialize();
 	gui = new GUI();
 	std::cout << "-- initializing finished" << std::endl;
-
-	setScreen(shared_ptr<Screen>(new MenuScreen(this)));
 }
 
 void Engine::updateTimers() {
@@ -81,6 +79,8 @@ void Engine::updateHotkeys() {
 }
 
 void Engine::mainloop() {
+	setScreen(shared_ptr<Screen>(new MenuScreen(this)));
+	
 	std::cout << "-- preparing systems" << std::endl;
 
 	Batch2D batch(1024);

src/frontend/gui/GUI.cpp

@@ -45,6 +45,7 @@ void GUI::act(float delta) {
     }
     this->hover = hover;
 
+    auto prevfocus = focus;
     if (Events::jclicked(0)) {
         if (pressed == nullptr && this->hover) {
             pressed = hover;
@@ -52,7 +53,10 @@ void GUI::act(float delta) {
             if (focus && focus != pressed) {
                 focus->defocus();
             }
-            focus = pressed;
+            if (focus != pressed) {
+                focus = pressed;
+                focus->focus(this);
+            }
         }
         if (this->hover == nullptr && focus) {
             focus->defocus();
@@ -63,9 +67,7 @@ void GUI::act(float delta) {
         pressed = nullptr;
     }
     if (focus) {
-        if (!focus->isfocused()){
-            focus = nullptr;
-        } else if (Events::jpressed(keycode::ESCAPE)) {
+        if (Events::jpressed(keycode::ESCAPE)) {
             focus->defocus();
             focus = nullptr;
         } else {
@@ -78,8 +80,17 @@ void GUI::act(float delta) {
             if (Events::clicked(mousecode::BUTTON_1)) {
                 focus->mouseMove(this, mx, my);
             }
+            if (prevfocus == focus)
+                for (int i = mousecode::BUTTON_1; i < mousecode::BUTTON_1+12; i++) {
+                    if (Events::jclicked(i)) {
+                        focus->clicked(this, i);
+                    }
+                }
         }
     }
+    if (focus && !focus->isfocused()) {
+        focus = nullptr;
+    }
 }
 
 void GUI::draw(Batch2D* batch, Assets* assets) {

src/frontend/gui/UINode.cpp

@@ -52,7 +52,6 @@ UINode* UINode::getParent() const {
 
 void UINode::click(GUI*, int x, int y) {
     pressed_ = true;
-    focused_ = true;
 }
 
 void UINode::mouseRelease(GUI*, int x, int y) {
@@ -103,7 +102,7 @@ void UINode::size(vec2 size) {
     this->size_ = size;
     if (parent) {
         sizelock = true;
-        parent->refresh();
+        //parent->refresh();
         sizelock = false;
     }
 }

src/frontend/gui/UINode.h

@@ -56,7 +56,9 @@ namespace gui {
         virtual void margin(glm::vec4 margin);
         glm::vec4 margin() const;
 
+        virtual void focus(GUI*) {focused_ = true;}
         virtual void click(GUI*, int x, int y);
+        virtual void clicked(GUI*, int button) {}
         virtual void mouseMove(GUI*, int x, int y) {};
         virtual void mouseRelease(GUI*, int x, int y);
 

src/frontend/gui/controls.cpp

@@ -5,6 +5,7 @@
 #include "../../assets/Assets.h"
 #include "../../graphics/Batch2D.h"
 #include "../../graphics/Font.h"
+#include "../../util/stringutil.h"
 
 using std::string;
 using std::wstring;
@@ -36,7 +37,7 @@ void Label::draw(Batch2D* batch, Assets* assets) {
     }
     batch->color = color_;
     Font* font = assets->getFont(fontName_);
-    vec2 size = this->size();
+    vec2 size = UINode::size();
     vec2 newsize = vec2(font->calcWidth(text_), font->lineHeight());
     if (newsize.x > size.x) {
         this->size(newsize);
@@ -51,6 +52,11 @@ Label* Label::textSupplier(wstringsupplier supplier) {
     return this;
 }
 
+void Label::size(vec2 sizenew) {
+    UINode::size(vec2(UINode::size().x, sizenew.y));
+}
+
+// ================================= Button ===================================
 Button::Button(shared_ptr<UINode> content, glm::vec4 padding) : Panel(vec2(32,32), padding, 0) {
     add(content);
 }
@@ -86,12 +92,12 @@ Button* Button::listenAction(onaction action) {
     return this;
 }
 
+// ================================ TextBox ===================================
 TextBox::TextBox(wstring placeholder, vec4 padding) 
     : Panel(vec2(200,32), padding, 0, false), 
       input(L""),
       placeholder(placeholder) {
     label = new Label(L"");
-    label->align(Align::center);
     add(shared_ptr<UINode>(label));
 }
 
@@ -151,6 +157,42 @@ wstring TextBox::text() const {
     return input;
 }
 
+// ============================== InputBindBox ================================
+InputBindBox::InputBindBox(Binding& binding, vec4 padding) 
+    : Panel(vec2(100,32), padding, 0, false),
+      binding(binding) {
+    label = new Label(L"");
+    //label->align(Align::center);
+    add(shared_ptr<UINode>(label));
+}
+
+shared_ptr<UINode> InputBindBox::getAt(vec2 pos, shared_ptr<UINode> self) {
+    return UINode::getAt(pos, self);
+}
+
+void InputBindBox::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);
+    label->text(util::str2wstr_utf8(binding.text()));
+}
+
+void InputBindBox::clicked(GUI*, int button) {
+    binding.type = inputtype::mouse;
+    binding.code = button;
+    defocus();
+}
+
+void InputBindBox::keyPressed(int key) {
+    if (key != keycode::ESCAPE) {
+        binding.type = inputtype::keyboard;
+        binding.code = key;
+    }
+    defocus();
+}
+
+// ================================ TrackBar ==================================
 TrackBar::TrackBar(double min, double max, double value, double step, int trackWidth)
     : UINode(vec2(), vec2(32)), min(min), max(max), value(value), step(step), trackWidth(trackWidth) {
     color(vec4(0.f, 0.f, 0.f, 0.4f));
@@ -194,6 +236,7 @@ void TrackBar::mouseMove(GUI*, int x, int y) {
     }
 }
 
+// ================================ CheckBox ==================================
 CheckBox::CheckBox(bool checked) : UINode(vec2(), vec2(32.0f)), checked_(checked) {
     color(vec4(0.0f, 0.0f, 0.0f, 0.5f));
 }

src/frontend/gui/controls.h

@@ -8,6 +8,7 @@
 #include <glm/glm.hpp>
 #include "UINode.h"
 #include "panels.h"
+#include "../../window/input.h"
 
 class Batch2D;
 class Assets;
@@ -36,6 +37,7 @@ namespace gui {
         virtual void draw(Batch2D* batch, Assets* assets) override;
 
         virtual Label* textSupplier(wstringsupplier supplier);
+        virtual void size(glm::vec2 size) override;
     };
 
     class Button : public Panel {
@@ -79,6 +81,22 @@ namespace gui {
         virtual std::wstring text() const;
     };
 
+    class InputBindBox : public Panel {
+    protected:
+        glm::vec4 hoverColor {0.05f, 0.1f, 0.2f, 0.75f};
+        glm::vec4 focusedColor {0.0f, 0.0f, 0.0f, 1.0f};
+        Label* label;
+        Binding& binding;
+    public:
+        InputBindBox(Binding& binding, glm::vec4 padding=glm::vec4(6.0f));
+        virtual void drawBackground(Batch2D* batch, Assets* assets) override;
+        virtual std::shared_ptr<UINode> getAt(glm::vec2 pos, std::shared_ptr<UINode> self) override;
+
+        virtual void clicked(GUI*, int button) override;
+        virtual void keyPressed(int key) override;
+        virtual bool isfocuskeeper() const override {return true;}
+    };
+
     class TrackBar : public UINode {
     protected:
         glm::vec4 hoverColor {0.01f, 0.02f, 0.03f, 0.5f};

src/frontend/gui/panels.cpp

@@ -1,15 +1,14 @@
 #include "panels.h"
 
+#include <stdexcept>
+
 #include "../../window/Window.h"
 #include "../../assets/Assets.h"
 #include "../../graphics/Batch2D.h"
 
 using std::shared_ptr;
 
-using gui::UINode;
-using gui::Container;
-using gui::Panel;
-using gui::Orientation;
+using namespace gui;
 
 using glm::vec2;
 using glm::vec4;
@@ -138,7 +137,8 @@ void Panel::refresh() {
             y += nodesize.y + margin.w + interval;
 
             float width = size.x - padding.x - padding.z - margin.x - margin.z;
-            node->size(vec2(width, nodesize.y));
+            node->size(vec2(width, nodesize.y));;
+            node->refresh();
             maxw = fmax(maxw, ex+node->size().x+margin.z+padding.z);
         }
         if (resizing_)
@@ -154,6 +154,7 @@ void Panel::refresh() {
             
             float height = size.y - padding.y - padding.w - margin.y - margin.w;
             node->size(vec2(nodesize.x, height));
+            node->refresh();
             maxh = fmax(maxh, y+margin.y+node->size().y+margin.w+padding.w);
         }
         bool increased = maxh > size.y;
@@ -177,4 +178,53 @@ void Panel::lock(){
         node->lock();
     }
     resizing_ = false;
+}
+
+PagesControl::PagesControl() : Container(vec2(), vec2(1)){
+}
+
+void PagesControl::add(std::string name, std::shared_ptr<UINode> panel) {
+    pages[name] = Page{panel};
+}
+
+void PagesControl::set(std::string name, bool history) {
+    auto found = pages.find(name);
+    if (found == pages.end()) {
+        throw std::runtime_error("no page found");
+    }
+    if (current_.panel) {
+        Container::remove(current_.panel);
+    }
+    if (history) {
+        pageStack.push(curname_);
+    }
+    curname_ = name;
+    current_ = found->second;
+    Container::add(current_.panel);
+    size(current_.panel->size());
+}
+
+void PagesControl::back() {
+    if (pageStack.empty())
+        return;
+    std::string name = pageStack.top();
+    pageStack.pop();
+    set(name, false);
+}
+
+Page PagesControl::current() {
+    return current_;
+}
+
+void PagesControl::clearHistory() {
+    pageStack = std::stack<std::string>();
+}
+
+void PagesControl::reset() {
+    clearHistory();
+    if (current_.panel) {
+        curname_ = "";
+        Container::remove(current_.panel);
+        current_ = Page{nullptr};
+    }
 }

src/frontend/gui/panels.h

@@ -3,6 +3,8 @@
 
 #include <glm/glm.hpp>
 #include <vector>
+#include <stack>
+#include <string>
 #include <memory>
 #include "UINode.h"
 
@@ -56,5 +58,27 @@ namespace gui {
         virtual void refresh() override;
         virtual void lock() override;
     };
+
+    struct Page {
+        std::shared_ptr<UINode> panel = nullptr;
+    };
+
+    class PagesControl : public Container {
+    protected:
+        std::unordered_map<std::string, Page> pages;
+        std::stack<std::string> pageStack;
+        Page current_;
+        std::string curname_ = "";
+    public:
+        PagesControl();
+
+        void set(std::string name, bool history=true);
+        void add(std::string name, std::shared_ptr<UINode> panel);
+        void back();
+        void clearHistory();
+        void reset();
+
+        Page current();
+    };
 }
 #endif // FRONTEND_GUI_PANELS_H_

src/frontend/hud.cpp

@@ -30,6 +30,7 @@
 #include "gui/GUI.h"
 #include "screens.h"
 #include "../engine.h"
+#include "../core_defs.h"
 
 using std::wstring;
 using std::shared_ptr;
@@ -44,12 +45,15 @@ inline Label* create_label(gui::wstringsupplier supplier) {
 	return label;
 }
 
-HudRenderer::HudRenderer(Engine* engine, Level* level) : level(level), assets(engine->getAssets()), guiController(engine->getGUI()) {
+HudRenderer::HudRenderer(Engine* engine, Level* level) : level(level), assets(engine->getAssets()), gui(engine->getGUI()) {
 	batch = new Batch2D(1024);
-	uicamera = new Camera(vec3(), Window::height);
+	uicamera = new Camera(vec3(), 1);
 	uicamera->perspective = false;
 	uicamera->flipped = true;
 
+	auto pagesptr = gui->get("pages");
+	PagesControl* pages = (PagesControl*)(pagesptr.get());
+
 	Panel* panel = new Panel(vec2(250, 200), vec4(5.0f), 1.0f);
 	debugPanel = shared_ptr<UINode>(panel);
 	panel->listenInterval(1.0f, [this]() {
@@ -115,37 +119,35 @@ HudRenderer::HudRenderer(Engine* engine, Level* level) : level(level), assets(en
 	panel->refresh();
 
 	panel = new Panel(vec2(350, 200));
-	pauseMenu = shared_ptr<UINode>(panel);
+	auto pauseMenu = shared_ptr<UINode>(panel);
 	panel->color(vec4(0.0f));
 	{
 		Button* button = new Button(L"Continue", vec4(10.0f));
-		button->listenAction([this](GUI*){
-			this->pause = false;
-			pauseMenu->visible(false);
+		button->listenAction([=](GUI*){
+			pages->reset();
+			pause = false;
 		});
 		panel->add(shared_ptr<UINode>(button));
 	}
 	panel->add((new Button(L"Settings", vec4(10.f)))->listenAction([=](GUI* gui) {
-        pauseMenu->visible(false);
-		gui->store("back", pauseMenu);
-        gui->get("settings")->visible(true);
+        pages->set("settings");
     }));
 	{
 		Button* button = new Button(L"Save and Quit to Menu", vec4(10.f));
 		button->listenAction([this, engine](GUI*){
-			this->pauseMenu->visible(false);
 			engine->setScreen(shared_ptr<Screen>(new MenuScreen(engine)));
 		});
 		panel->add(shared_ptr<UINode>(button));
 	}
-	panel->visible(false);
-	guiController->add(this->debugPanel);
-	guiController->add(this->pauseMenu);
+
+	pages->reset();
+	pages->add("pause", pauseMenu);
+	gui->add(this->debugPanel);
 }
 
 HudRenderer::~HudRenderer() {
-	guiController->remove(debugPanel);
-	guiController->remove(pauseMenu);
+	gui->remove(debugPanel);
+	//gui->remove(gui->get("pages"));
 	delete batch;
 	delete uicamera;
 }
@@ -157,7 +159,11 @@ void HudRenderer::drawDebug(int fps, bool occlusion){
 	fpsMax = max(fps, fpsMax);
 }
 
-void HudRenderer::drawInventory(Player* player) {
+void HudRenderer::drawInventory(const GfxContext& ctx, Player* player) {
+	const Viewport& viewport = ctx.getViewport();
+	const uint width = viewport.getWidth();
+	const uint height = viewport.getHeight();
+
 	Texture* blocks = assets->getTexture("block_tex");
 	uint size = 48;
 	uint step = 64;
@@ -165,15 +171,15 @@ void HudRenderer::drawInventory(Player* player) {
 	uint inv_rows = 8;
 	uint inv_w = step*inv_cols + size;
 	uint inv_h = step*inv_rows + size;
-	int inv_x = (Window::width - (inv_w)) / 2;
-	int inv_y = (Window::height - (inv_h)) / 2;
-	int xs = (Window::width - inv_w + step)/2;
-	int ys = (Window::height - inv_h + step)/2;
-	if (Window::width > inv_w*3){
-		inv_x = (Window::width + (inv_w)) / 2;
-		inv_y = (Window::height - (inv_h)) / 2;
-		xs = (Window::width + inv_w + step)/2;
-		ys = (Window::height - inv_h + step)/2;
+	int inv_x = (width - (inv_w)) / 2;
+	int inv_y = (height - (inv_h)) / 2;
+	int xs = (width - inv_w + step)/2;
+	int ys = (height - inv_h + step)/2;
+	if (width > inv_w*3){
+		inv_x = (width + (inv_w)) / 2;
+		inv_y = (height - (inv_h)) / 2;
+		xs = (width + inv_w + step)/2;
+		ys = (height - inv_h + step)/2;
 	}
 	vec4 tint = vec4(1.0f);
 	int mx = Events::x;
@@ -221,8 +227,7 @@ void HudRenderer::drawInventory(Player* player) {
 			if (Events::jclicked(GLFW_MOUSE_BUTTON_LEFT)) {
 				player->choosenBlock = i+1;
 			}
-		} else
-		{
+		} else {
 			tint = vec4(1.0f);
 		}
 		
@@ -234,17 +239,38 @@ void HudRenderer::drawInventory(Player* player) {
 	}
 }
 
-void HudRenderer::draw(){
+void HudRenderer::update() {
+	PagesControl* pages = (PagesControl*)(gui->get("pages").get());
+	if (Events::jpressed(keycode::ESCAPE) && !gui->isFocusCaught()) {
+		if (pause) {
+			pause = false;
+			pages->reset();
+		} else if (inventoryOpen) {
+			inventoryOpen = false;
+		} else {
+			pause = true;
+			pages->set("pause");
+		}
+	}
+	if (Events::jactive(BIND_HUD_INVENTORY)) {
+		if (!pause) {
+			inventoryOpen = !inventoryOpen;
+		}
+	}
+	if ((pause || inventoryOpen) == Events::_cursor_locked)
+		Events::toggleCursor();
+}
+
+void HudRenderer::draw(const GfxContext& ctx){
+	const Viewport& viewport = ctx.getViewport();
+	const uint width = viewport.getWidth();
+	const uint height = viewport.getHeight();
+	auto pages = gui->get("pages");
+
 	debugPanel->visible(level->player->debug);
-	pauseMenu->setCoord((Window::size() - pauseMenu->size()) / 2.0f);
+	pages->setCoord((viewport.size() - pages->size()) / 2.0f);
 
-	auto settingsPanel = guiController->get("settings");
-    settingsPanel->setCoord((Window::size() - settingsPanel->size()) / 2.0f);
-
-	glDisable(GL_DEPTH_TEST);
-	glDisable(GL_CULL_FACE);
-
-	uicamera->fov = Window::height;
+	uicamera->fov = height;
 
 	Shader* uishader = assets->getShader("ui");
 	uishader->use();
@@ -256,9 +282,7 @@ void HudRenderer::draw(){
 	batch->texture(nullptr);
 	batch->color = vec4(1.0f);
 	if (Events::_cursor_locked && !level->player->debug) {
-		glLineWidth(2);
-		const uint width = Window::width;
-		const uint height = Window::height;
+		batch->lineWidth(2);
 		batch->line(width/2, height/2-6, width/2, height/2+6, 0.2f, 0.2f, 0.2f, 1.0f);
 		batch->line(width/2+6, height/2, width/2-6, height/2, 0.2f, 0.2f, 0.2f, 1.0f);
 		batch->line(width/2-5, height/2-5, width/2+5, height/2+5, 0.9f, 0.9f, 0.9f, 1.0f);
@@ -266,19 +290,19 @@ void HudRenderer::draw(){
 	}
 	Player* player = level->player;
 
-	batch->rect(Window::width/2-128-4, Window::height-80-4, 256+8, 64+8,
+	batch->rect(width/2-128-4, height-80-4, 256+8, 64+8,
 						0.95f, 0.95f, 0.95f, 0.85f, 0.85f, 0.85f,
 						0.7f, 0.7f, 0.7f,
 						0.55f, 0.55f, 0.55f, 0.45f, 0.45f, 0.45f, 4);
-	batch->rect(Window::width/2-128, Window::height - 80, 256, 64,
+	batch->rect(width/2-128, height - 80, 256, 64,
 						0.75f, 0.75f, 0.75f, 0.75f, 0.75f, 0.75f,
 						0.75f, 0.75f, 0.75f,
 						0.75f, 0.75f, 0.75f, 0.75f, 0.75f, 0.75f, 4);
-	batch->rect(Window::width/2-32+2, Window::height - 80+2, 60, 60,
+	batch->rect(width/2-32+2, height - 80+2, 60, 60,
 						0.45f, 0.45f, 0.45f, 0.55f, 0.55f, 0.55f,
 						0.7f, 0.7f, 0.7f,
 						0.85f, 0.85f, 0.85f, 0.95f, 0.95f, 0.95f, 2);
-	batch->rect(Window::width/2-32+4, Window::height - 80+4, 56, 56,
+	batch->rect(width/2-32+4, height - 80+4, 56, 56,
 						0.75f, 0.75f, 0.75f, 0.75f, 0.75f, 0.75f,
 						0.75f, 0.75f, 0.75f,
 						0.75f, 0.75f, 0.75f, 0.75f, 0.75f, 0.75f, 2);
@@ -288,39 +312,19 @@ void HudRenderer::draw(){
 	{
 		Block* cblock = Block::blocks[player->choosenBlock];
 		if (cblock->model == BlockModel::block){
-			batch->blockSprite(Window::width/2-24, uicamera->fov - 72, 48, 48, 16, cblock->textureFaces, vec4(1.0f));
+			batch->blockSprite(width/2-24, uicamera->fov - 72, 48, 48, 16, cblock->textureFaces, vec4(1.0f));
 		} else if (cblock->model == BlockModel::xsprite){
-			batch->sprite(Window::width/2-24, uicamera->fov - 72, 48, 48, 16, cblock->textureFaces[3], vec4(1.0f));
+			batch->sprite(width/2-24, uicamera->fov - 72, 48, 48, 16, cblock->textureFaces[3], vec4(1.0f));
 		}
 	}
 
-	if (Events::jpressed(keycode::ESCAPE) && !guiController->isFocusCaught()) {
-		if (pause) {
-			pause = false;
-			pauseMenu->visible(false);
-			settingsPanel->visible(false);
-		} else if (inventoryOpen) {
-			inventoryOpen = false;
-		} else {
-			pause = true;
-			pauseMenu->visible(true);
-		}
-	}
-	if (Events::jpressed(keycode::TAB)) {
-		if (!pause) {
-			inventoryOpen = !inventoryOpen;
-		}
-	}
-	if ((pause || inventoryOpen) == Events::_cursor_locked)
-		Events::toggleCursor();
-
 	if (pause || inventoryOpen) {
 		batch->texture(nullptr);
 		batch->color = vec4(0.0f, 0.0f, 0.0f, 0.5f);
-		batch->rect(0, 0, Window::width, Window::height);
+		batch->rect(0, 0, width, height);
 	}
 	if (inventoryOpen) {
-        drawInventory(player);
+        drawInventory(ctx, player);
 	}
 	batch->render();
 }

src/frontend/hud.h

@@ -4,6 +4,8 @@
 #include <string>
 #include <memory>
 
+#include "../graphics/GfxContext.h"
+
 class Batch2D;
 class Camera;
 class Level;
@@ -32,13 +34,14 @@ class HudRenderer {
 	bool pause = false;
 
 	std::shared_ptr<gui::UINode> debugPanel;
-	std::shared_ptr<gui::UINode> pauseMenu;
-	gui::GUI* guiController;
+	gui::GUI* gui;
 public:
 	HudRenderer(Engine* engine, Level* level);
 	~HudRenderer();
-	void drawInventory(Player* player);
-	void draw();
+
+	void update();
+	void drawInventory(const GfxContext& ctx, Player* player);
+	void draw(const GfxContext& context);
 	void drawDebug(int fps, bool occlusion);
 
 	bool isInventoryOpen() const;

src/frontend/screens.cpp

@@ -13,6 +13,7 @@
 #include "../window/input.h"
 #include "../graphics/Shader.h"
 #include "../graphics/Batch2D.h"
+#include "../graphics/GfxContext.h"
 #include "../assets/Assets.h"
 #include "../world/Level.h"
 #include "../world/World.h"
@@ -28,6 +29,7 @@
 #include "../engine.h"
 #include "../files/engine_files.h"
 #include "../util/stringutil.h"
+#include "../core_defs.h"
 
 using std::string;
 using std::wstring;
@@ -39,53 +41,52 @@ using std::filesystem::u8path;
 using std::filesystem::directory_iterator;
 using namespace gui;
 
-shared_ptr<UINode> create_main_menu_panel(Engine* engine) {
+shared_ptr<UINode> create_main_menu_panel(Engine* engine, PagesControl* pages) {
     Panel* panel = new Panel(vec2(400, 200), vec4(5.0f), 1.0f);
     shared_ptr<UINode> panelptr(panel);
     panel->color(vec4(0.0f));
-	panel->setCoord(vec2(10, 10));
 
     panel->add((new Button(L"New World", vec4(10.f)))->listenAction([=](GUI* gui) {
-        panel->visible(false);
-        gui->get("new-world")->visible(true);
+        pages->set("new-world");
     }));
 
     Panel* worldsPanel = new Panel(vec2(390, 200), vec4(5.0f));
     worldsPanel->color(vec4(0.1f));
-    for (auto const& entry : directory_iterator(enginefs::get_worlds_folder())) {
-        string name = entry.path().filename().string();
-        Button* button = new Button(util::str2wstr_utf8(name), 
-                                    vec4(10.0f, 8.0f, 10.0f, 8.0f));
-        button->color(vec4(0.5f));
-        button->listenAction([engine, panel, name](GUI*) {
-            EngineSettings& settings = engine->getSettings();
+    path worldsFolder = enginefs::get_worlds_folder();
+    if (std::filesystem::is_directory(worldsFolder)) {
+        for (auto const& entry : directory_iterator(worldsFolder)) {
+            string name = entry.path().filename().string();
+            Button* button = new Button(util::str2wstr_utf8(name), 
+                                        vec4(10.0f, 8.0f, 10.0f, 8.0f));
+            button->color(vec4(0.5f));
+            button->listenAction([engine, panel, name](GUI*) {
+                EngineSettings& settings = engine->getSettings();
 
-            auto folder = enginefs::get_worlds_folder()/u8path(name);
-            World* world = new World(name, folder, 42, settings);
-            auto screen = new LevelScreen(engine, world->load(settings));
-            engine->setScreen(shared_ptr<Screen>(screen));
-        });
-        worldsPanel->add(button);
+                auto folder = enginefs::get_worlds_folder()/u8path(name);
+                World* world = new World(name, folder, 42, settings);
+                auto screen = new LevelScreen(engine, world->load(settings));
+                engine->setScreen(shared_ptr<Screen>(screen));
+            });
+            worldsPanel->add(button);
+        }
     }
     panel->add(worldsPanel);
 
     panel->add((new Button(L"Settings", vec4(10.f)))->listenAction([=](GUI* gui) {
-        panel->visible(false);
-        gui->store("back", panelptr);
-        gui->get("settings")->visible(true);
+        pages->set("settings");
     }));
     
     panel->add((new Button(L"Quit", vec4(10.f)))->listenAction([](GUI*) {
         Window::setShouldClose(true);
     }));
+    panel->refresh();
     return panelptr;
 }
 
-shared_ptr<UINode> create_new_world_panel(Engine* engine) {
+shared_ptr<UINode> create_new_world_panel(Engine* engine, PagesControl* pages) {
     Panel* panel = new Panel(vec2(400, 200), vec4(5.0f), 1.0f);
     shared_ptr<UINode> panelptr(panel);
     panel->color(vec4(0.0f));
-	panel->setCoord(vec2(10, 10));
 
     TextBox* worldNameInput;
     {
@@ -163,17 +164,43 @@ shared_ptr<UINode> create_new_world_panel(Engine* engine) {
     }
 
     panel->add((new Button(L"Back", vec4(10.f)))->listenAction([=](GUI* gui) {
-        panel->visible(false);
-        gui->get("main-menu")->visible(true);
+        pages->back();
     }));
-
+    panel->refresh();
     return panelptr;
 }
 
-Panel* create_settings_panel(Engine* engine) {
+Panel* create_controls_panel(Engine* engine, PagesControl* pages) {
     Panel* panel = new Panel(vec2(400, 200), vec4(5.0f), 1.0f);
     panel->color(vec4(0.0f));
-	panel->setCoord(vec2(10, 10));
+
+    for (auto& entry : Events::bindings){
+        string bindname = entry.first;
+        
+        Panel* subpanel = new Panel(vec2(400, 45), vec4(5.0f), 1.0f);
+        subpanel->color(vec4(0.0f));
+        subpanel->orientation(Orientation::horizontal);
+
+        InputBindBox* bindbox = new InputBindBox(entry.second);
+        subpanel->add(bindbox);
+        Label* label = new Label(util::str2wstr_utf8(bindname));
+        label->margin(vec4(6.0f));
+        subpanel->add(label);
+        panel->add(subpanel);
+    }
+
+    panel->add((new Button(L"Back", vec4(10.f)))->listenAction([=](GUI* gui) {
+        pages->back();
+    }));
+    panel->refresh();
+    return panel;
+}
+
+shared_ptr<UINode> create_settings_panel(Engine* engine, PagesControl* pages) {
+    Panel* panel = new Panel(vec2(400, 200), vec4(5.0f), 1.0f);
+    panel->color(vec4(0.0f));
+
+    shared_ptr<UINode> panelptr(panel);
 
     /* Load Distance setting track bar */{
         panel->add((new Label(L""))->textSupplier([=]() {
@@ -228,30 +255,44 @@ Panel* create_settings_panel(Engine* engine) {
         panel->add(checkpanel);
     }
 
-    panel->add((new Button(L"Back", vec4(10.f)))->listenAction([=](GUI* gui) {
-        panel->visible(false);
-        gui->get("back")->visible(true);
+    panel->add((new Button(L"Controls", vec4(10.f)))->listenAction([=](GUI* gui) {
+        pages->set("controls");
     }));
-    return panel;
+
+    panel->add((new Button(L"Back", vec4(10.f)))->listenAction([=](GUI* gui) {
+        pages->back();
+    }));
+    panel->refresh();
+    return panelptr;
 }
 
 MenuScreen::MenuScreen(Engine* engine_) : Screen(engine_) {
     GUI* gui = engine->getGUI();
-    panel = create_main_menu_panel(engine);
-    newWorldPanel = create_new_world_panel(engine);
-    newWorldPanel->visible(false);
 
-    auto settingsPanel = shared_ptr<UINode>(create_settings_panel(engine));
-    settingsPanel->visible(false);
+    auto pagesptr = gui->get("pages");
+    PagesControl* pages;
+    if (pagesptr == nullptr) {
+        pages = new PagesControl();
+        auto newWorldPanel = create_new_world_panel(engine, pages);
 
-    gui->store("main-menu", panel);
-    gui->store("new-world", newWorldPanel);
-    if (gui->get("settings") == nullptr) {
-        gui->store("settings", settingsPanel);
+        auto settingsPanel = shared_ptr<UINode>(create_settings_panel(engine, pages));
+        auto controlsPanel = shared_ptr<UINode>(create_controls_panel(engine, pages));
+
+        pages->add("new-world", newWorldPanel);
+        pages->add("settings", settingsPanel);
+        pages->add("controls", controlsPanel);
+
+        this->pages = shared_ptr<UINode>(pages);
+        gui->add(this->pages);
+        gui->store("pages", this->pages);
+    } else {
+        this->pages = pagesptr;
+        pages = (PagesControl*)(pagesptr.get());
+        pages->reset();
     }
-    gui->add(panel);
-    gui->add(newWorldPanel);
-    gui->add(settingsPanel);
+    auto mainMenuPanel = create_main_menu_panel(engine, pages);
+    pages->add("main", mainMenuPanel);
+    pages->set("main");
 
     batch = new Batch2D(1024);
     uicamera = new Camera(vec3(), Window::height);
@@ -260,13 +301,6 @@ MenuScreen::MenuScreen(Engine* engine_) : Screen(engine_) {
 }
 
 MenuScreen::~MenuScreen() {
-    GUI* gui = engine->getGUI();
-    
-    gui->remove("main-menu");
-    gui->remove("new-world");
-
-    gui->remove(newWorldPanel);
-    gui->remove(panel);
     delete batch;
     delete uicamera;
 }
@@ -275,11 +309,7 @@ void MenuScreen::update(float delta) {
 }
 
 void MenuScreen::draw(float delta) {
-    panel->setCoord((Window::size() - panel->size()) / 2.0f);
-    newWorldPanel->setCoord((Window::size() - newWorldPanel->size()) / 2.0f);
-    
-    auto settingsPanel = engine->getGUI()->get("settings");
-    settingsPanel->setCoord((Window::size() - settingsPanel->size()) / 2.0f);
+    pages->setCoord((Window::size() - pages->size()) / 2.0f);
     
     Window::clear();
     Window::setBgColor(vec3(0.2f, 0.2f, 0.2f));
@@ -348,13 +378,18 @@ void LevelScreen::update(float delta) {
     level->update();
     
     level->chunksController->update(settings.chunks.loadSpeed);
+
+    hud->update();
 }
 
 void LevelScreen::draw(float delta) {
     Camera* camera = level->player->camera;
 
-    worldRenderer->draw(camera, occlusion);
-    hud->draw();
+    Viewport viewport(Window::width, Window::height);
+    GfxContext ctx(nullptr, viewport, nullptr);
+
+    worldRenderer->draw(ctx, camera, occlusion);
+    hud->draw(ctx);
     if (level->player->debug) {
         hud->drawDebug( 1 / delta, occlusion);
     }

src/frontend/screens.h

@@ -28,8 +28,7 @@ public:
 };
 
 class MenuScreen : public Screen {
-    std::shared_ptr<gui::UINode> panel;
-    std::shared_ptr<gui::UINode> newWorldPanel;
+    std::shared_ptr<gui::UINode> pages;
     Batch2D* batch;
     Camera* uicamera;
 public:

src/frontend/world_render.cpp

@@ -60,51 +60,15 @@ bool WorldRenderer::drawChunk(size_t index, Camera* camera, Shader* shader, bool
 	}
 	mat4 model = glm::translate(mat4(1.0f), vec3(chunk->x*CHUNK_W, 0.0f, chunk->z*CHUNK_D+1));
 	shader->uniformMatrix("u_model", model);
-	mesh->draw(GL_TRIANGLES);
+	mesh->draw();
 	return true;
 }
 
-
-void WorldRenderer::draw(Camera* camera, bool occlusion){
-	EngineSettings& settings = engine->getSettings();
-	Assets* assets = engine->getAssets();
-	Chunks* chunks = level->chunks;
-
-	vec3 skyColor(0.7f, 0.81f, 1.0f);
-
-	Window::setBgColor(skyColor);
-	Window::clear();
-	Window::viewport(0, 0, Window::width, Window::height);
-
-	glEnable(GL_DEPTH_TEST);
-	glEnable(GL_CULL_FACE);
-
-	float fogFactor = 18.0f / (float)settings.chunks.loadDistance;
-
-	Texture* texture = assets->getTexture("block");
-	Shader* shader = assets->getShader("main");
-	Shader* linesShader = assets->getShader("lines");
-	shader->use();
-	shader->uniformMatrix("u_proj", camera->getProjection());
-	shader->uniformMatrix("u_view", camera->getView());
-	shader->uniform1f("u_gamma", 1.6f);
-	shader->uniform3f("u_skyLightColor", 1.1f,1.1f,1.1f);
-	shader->uniform3f("u_fogColor", skyColor);
-	shader->uniform1f("u_fogFactor", fogFactor);
-	shader->uniform1f("u_fogCurve", settings.graphics.fogCurve);
-	shader->uniform3f("u_cameraPos", camera->position);
-
-	Block* cblock = Block::blocks[level->player->choosenBlock];
-	float multiplier = 0.5f;
-	shader->uniform3f("u_torchlightColor",
-			cblock->emission[0] / 15.0f * multiplier,
-			cblock->emission[1] / 15.0f * multiplier,
-			cblock->emission[2] / 15.0f * multiplier);
-	shader->uniform1f("u_torchlightDistance", 6.0f);
-	texture->bind();
-
+void WorldRenderer::drawChunks(Chunks* chunks, 
+							   Camera* camera, 
+							   Shader* shader, 
+							   bool occlusion) {
 	std::vector<size_t> indices;
-
 	for (size_t i = 0; i < chunks->volume; i++){
 		shared_ptr<Chunk> chunk = chunks->chunks[i];
 		if (chunk == nullptr)
@@ -126,34 +90,84 @@ void WorldRenderer::draw(Camera* camera, bool occlusion){
 	for (size_t i = 0; i < indices.size(); i++){
 		chunks->visible += drawChunk(indices[i], camera, shader, occlusion);
 	}
+}
 
-	shader->uniformMatrix("u_model", mat4(1.0f));
 
-	if (level->playerController->selectedBlockId != -1){
-		Block* selectedBlock = Block::blocks[level->playerController->selectedBlockId];
-		vec3 pos = level->playerController->selectedBlockPosition;
-		linesShader->use();
-		linesShader->uniformMatrix("u_projview", camera->getProjection()*camera->getView());
-		glLineWidth(2.0f);
-		if (selectedBlock->model == BlockModel::block){
-			lineBatch->box(pos.x+0.5f, pos.y+0.5f, pos.z+0.5f, 1.005f,1.005f,1.005f, 0,0,0,0.5f);
-		} else if (selectedBlock->model == BlockModel::xsprite){
-			lineBatch->box(pos.x+0.5f, pos.y+0.35f, pos.z+0.5f, 0.805f,0.705f,0.805f, 0,0,0,0.5f);
+void WorldRenderer::draw(const GfxContext& pctx, Camera* camera, bool occlusion){
+	Assets* assets = engine->getAssets();
+	Texture* texture = assets->getTexture("block");
+	Shader* shader = assets->getShader("main");
+	Shader* linesShader = assets->getShader("lines");
+
+	const Viewport& viewport = pctx.getViewport();
+	int displayWidth = viewport.getWidth();
+	int displayHeight = viewport.getHeight();
+	{
+		GfxContext ctx = pctx.sub();
+		ctx.depthTest(true);
+		ctx.cullFace(true);
+
+		EngineSettings& settings = engine->getSettings();
+
+		vec3 skyColor(0.7f, 0.81f, 1.0f);
+
+		Window::setBgColor(skyColor);
+		Window::clear();
+		Window::viewport(0, 0, displayWidth, displayHeight);
+
+		float fogFactor = 18.0f / (float)settings.chunks.loadDistance;
+
+		shader->use();
+		shader->uniformMatrix("u_proj", camera->getProjection());
+		shader->uniformMatrix("u_view", camera->getView());
+		shader->uniform1f("u_gamma", 1.6f);
+		shader->uniform3f("u_skyLightColor", 1.1f,1.1f,1.1f);
+		shader->uniform3f("u_fogColor", skyColor);
+		shader->uniform1f("u_fogFactor", fogFactor);
+		shader->uniform1f("u_fogCurve", settings.graphics.fogCurve);
+		shader->uniform3f("u_cameraPos", camera->position);
+
+		Block* cblock = Block::blocks[level->player->choosenBlock];
+		float multiplier = 0.5f;
+		shader->uniform3f("u_torchlightColor",
+				cblock->emission[0] / 15.0f * multiplier,
+				cblock->emission[1] / 15.0f * multiplier,
+				cblock->emission[2] / 15.0f * multiplier);
+		shader->uniform1f("u_torchlightDistance", 6.0f);
+		texture->bind();
+
+		Chunks* chunks = level->chunks;
+		drawChunks(chunks, camera, shader, occlusion);
+
+		shader->uniformMatrix("u_model", mat4(1.0f));
+
+		if (level->playerController->selectedBlockId != -1){
+			Block* block = Block::blocks[level->playerController->selectedBlockId];
+			vec3 pos = level->playerController->selectedBlockPosition;
+			linesShader->use();
+			linesShader->uniformMatrix("u_projview", camera->getProjView());
+			lineBatch->lineWidth(2.0f);
+			if (block->model == BlockModel::block){
+				lineBatch->box(pos.x+0.5f, pos.y+0.5f, pos.z+0.5f, 
+							   1.008f,1.008f,1.008f, 0,0,0,0.5f);
+			} else if (block->model == BlockModel::xsprite){
+				lineBatch->box(pos.x+0.5f, pos.y+0.35f, pos.z+0.5f, 
+							   0.805f,0.705f,0.805f, 0,0,0,0.5f);
+			}
+			lineBatch->render();
 		}
-		lineBatch->render();
 	}
 
-	glDisable(GL_DEPTH_TEST);
-
 	if (level->player->debug) {
 		float length = 40.f;
 
 		linesShader->use();
-		vec3 tsl = vec3(Window::width/2, -((int)Window::height)/2, 0.f);
+		// top-right: vec3 tsl = vec3(displayWidth - length - 4, -length - 4, 0.f);
+		vec3 tsl = vec3(displayWidth/2, -((int)displayHeight)/2, 0.f);
 		glm::mat4 model(glm::translate(glm::mat4(1.f), tsl));
 		linesShader->uniformMatrix("u_projview", glm::ortho(
-				0.f, (float)Window::width, 
-				-(float)Window::height, 0.f, 
+				0.f, (float)displayWidth, 
+				-(float)displayHeight, 0.f, 
 				-length, length) * model * glm::inverse(camera->rotation));
 
 		lineBatch->lineWidth(4.0f);

src/frontend/world_render.h

@@ -10,6 +10,8 @@
 #include <glm/ext.hpp>
 #include <glm/gtc/matrix_transform.hpp>
 
+#include "../graphics/GfxContext.h"
+
 class Level;
 class Camera;
 class LineBatch;
@@ -18,6 +20,7 @@ class Shader;
 class Texture;
 class Frustum;
 class Engine;
+class Chunks;
 
 class WorldRenderer {
 	Engine* engine;
@@ -26,12 +29,13 @@ class WorldRenderer {
 	LineBatch* lineBatch;
 	ChunksRenderer* renderer;
 	bool drawChunk(size_t index, Camera* camera, Shader* shader, bool occlusion);
+	void drawChunks(Chunks* chunks, Camera* camera, Shader* shader, bool occlusion);
 public:
 
 	WorldRenderer(Engine* engine, Level* level);
 	~WorldRenderer();
 
-	void draw(Camera* camera, bool occlusion);
+	void draw(const GfxContext& context, Camera* camera, bool occlusion);
 };
 
 

src/graphics/Batch2D.cpp

@@ -361,3 +361,7 @@ void Batch2D::render(unsigned int gl_primitive) {
 void Batch2D::render() {
 	render(GL_TRIANGLES);
 }
+
+void Batch2D::lineWidth(float width) {
+	glLineWidth(width);
+}

src/graphics/Batch2D.h

@@ -62,6 +62,8 @@ public:
 			float r4, float g4, float b4, int sh);
 	void render(unsigned int gl_primitive);
 	void render();
+
+	void lineWidth(float width);
 };
 
 #endif /* SRC_GRAPHICS_BATCH2D_H_ */

src/graphics/GfxContext.cpp

@@ -0,0 +1,59 @@
+#include "GfxContext.h"
+
+#include <GL/glew.h>
+
+#include "Batch2D.h"
+
+GfxContext::GfxContext(const GfxContext* parent, Viewport& viewport, Batch2D* g2d)
+    : parent(parent), viewport(viewport), g2d(g2d) {
+}
+
+GfxContext::~GfxContext() {
+    if (parent == nullptr)
+        return;
+    if (depthTest_ != parent->depthTest_) {
+        if (depthTest_) glDisable(GL_DEPTH_TEST);
+        else glEnable(GL_DEPTH_TEST);
+    }
+    if (cullFace_ != parent->cullFace_) {
+        if (cullFace_) glDisable(GL_CULL_FACE);
+        else glEnable(GL_CULL_FACE);
+    }
+}
+
+const Viewport& GfxContext::getViewport() const {
+    return viewport;
+}
+
+Batch2D* GfxContext::getBatch2D() const {
+    return g2d;
+}
+
+GfxContext GfxContext::sub() const {
+    auto ctx = GfxContext(this, viewport, g2d);
+    ctx.depthTest_ = depthTest_;
+    ctx.cullFace_ = cullFace_;
+    return ctx;
+}
+
+void GfxContext::depthTest(bool flag) {
+    if (depthTest_ == flag)
+        return;
+    depthTest_ = flag;
+    if (depthTest_) {
+        glEnable(GL_DEPTH_TEST);
+    } else {
+        glDisable(GL_DEPTH_TEST);
+    }
+}
+
+void GfxContext::cullFace(bool flag) {
+    if (cullFace_ == flag)
+        return;
+    cullFace_ = flag;
+    if (cullFace_) {
+        glEnable(GL_CULL_FACE);
+    } else {
+        glDisable(GL_CULL_FACE);
+    }
+}

src/graphics/GfxContext.h

@@ -0,0 +1,27 @@
+#ifndef GRAPHICS_GFX_CONTEXT_H_
+#define GRAPHICS_GFX_CONTEXT_H_
+
+#include "../typedefs.h"
+#include "Viewport.h"
+
+class Batch2D;
+
+class GfxContext {
+    const GfxContext* parent;
+    Viewport& viewport;
+    Batch2D* const g2d;
+    bool depthTest_ = false;
+    bool cullFace_ = false;
+public:
+    GfxContext(const GfxContext* parent, Viewport& viewport, Batch2D* g2d);
+    ~GfxContext();
+    
+    Batch2D* getBatch2D() const;
+    const Viewport& getViewport() const;
+    GfxContext sub() const;
+
+    void depthTest(bool flag);
+    void cullFace(bool flag);
+};
+
+#endif // GRAPHICS_GFX_CONTEXT_H_

src/graphics/Viewport.cpp

@@ -0,0 +1,13 @@
+#include "Viewport.h"
+
+Viewport::Viewport(uint width, uint height) 
+    : width(width), height(height) {
+}
+
+uint Viewport::getWidth() const {
+    return width;
+}
+
+uint Viewport::getHeight() const {
+    return height;
+}

src/graphics/Viewport.h

@@ -0,0 +1,22 @@
+#ifndef GRAPHICS_VIEWPORT_H_
+#define GRAPHICS_VIEWPORT_H_
+
+#include <glm/glm.hpp>
+
+#include "../typedefs.h"
+
+class Viewport {
+    uint width;
+    uint height;
+public:
+    Viewport(uint width, uint height);
+
+    virtual uint getWidth() const;
+    virtual uint getHeight() const;
+
+    glm::vec2 size() const {
+        return glm::vec2(width, height);
+    }
+};
+
+#endif // GRAPHICS_VIEWPORT_H_

src/objects/player_control.cpp

@@ -12,6 +12,8 @@
 #include "../window/Events.h"
 #include "../window/input.h"
 
+#include "../core_defs.h"
+
 #define CROUCH_SPEED_MUL 0.25f
 #define CROUCH_SHIFT_Y -0.2f
 #define RUN_SPEED_MUL 1.5f
@@ -38,18 +40,18 @@ void PlayerController::refreshCamera() {
 }
 
 void PlayerController::updateKeyboard() {
-	input.zoom = Events::pressed(keycode::C);
-	input.moveForward = Events::pressed(keycode::W);
-	input.moveBack = Events::pressed(keycode::S);
-	input.moveLeft = Events::pressed(keycode::A);
-	input.moveRight = Events::pressed(keycode::D);
-	input.sprint = Events::pressed(keycode::LEFT_CONTROL);
-	input.shift = Events::pressed(keycode::LEFT_SHIFT);
-	input.cheat = Events::pressed(keycode::R);
-	input.jump = Events::pressed(keycode::SPACE);
+	input.moveForward = Events::active(BIND_MOVE_FORWARD);
+	input.moveBack = Events::active(BIND_MOVE_BACK);
+	input.moveLeft = Events::active(BIND_MOVE_LEFT);
+	input.moveRight = Events::active(BIND_MOVE_RIGHT);
+	input.sprint = Events::active(BIND_MOVE_SPRINT);
+	input.shift = Events::active(BIND_MOVE_CROUCH);
+	input.cheat = Events::active(BIND_MOVE_CHEAT);
+	input.jump = Events::active(BIND_MOVE_JUMP);
+	input.zoom = Events::active(BIND_CAM_ZOOM);
 
-	input.noclip = Events::jpressed(keycode::N);
-	input.flight = Events::jpressed(keycode::F);
+	input.noclip = Events::jactive(BIND_PLAYER_NOCLIP);
+	input.flight = Events::jactive(BIND_PLAYER_FLIGHT);
 
 	// block choice
 	for (int i = 1; i < 10; i++){
@@ -215,8 +217,21 @@ void PlayerController::updateInteraction(){
 	Camera* camera = player->camera;
 	vec3 end;
 	vec3 norm;
+
+	bool xkey = Events::pressed(keycode::X);
+	bool lclick = Events::jclicked(mousecode::BUTTON_1) || 
+				  (xkey && Events::clicked(mousecode::BUTTON_1));
+	bool rclick = Events::jclicked(mousecode::BUTTON_2) || 
+				  (xkey && Events::clicked(mousecode::BUTTON_2));
+	float maxDistance = 10.0f;
+	if (xkey) {
+		maxDistance *= 20.0f;
+	}
 	vec3 iend;
-	voxel* vox = chunks->rayCast(camera->position, camera->front, 10.0f, end, norm, iend);
+	voxel* vox = chunks->rayCast(camera->position, 
+								 camera->front, 
+								 maxDistance, 
+								 end, norm, iend);
 	if (vox != nullptr){
 		player->selectedVoxel = *vox;
 		selectedBlockId = vox->id;
@@ -238,11 +253,11 @@ void PlayerController::updateInteraction(){
 		}
 		
 		Block* block = Block::blocks[vox->id];
-		if (Events::jclicked(mousecode::BUTTON_1) && block->breakable){
+		if (lclick && block->breakable){
 			chunks->set(x,y,z, 0, 0);
 			lighting->onBlockSet(x,y,z, 0);
 		}
-		if (Events::jclicked(mousecode::BUTTON_2)){
+		if (rclick){
 			if (block->model != BlockModel::xsprite){
 				x = (int)(iend.x)+(int)(norm.x);
 				y = (int)(iend.y)+(int)(norm.y);

src/typedefs.h

@@ -1,3 +1,6 @@
+#ifndef VOX_TYPEDEFS_H
+#define VOX_TYPEDEFS_H
+
 #include <stdlib.h>
 #include <stdint.h>
 
@@ -6,3 +9,5 @@ typedef unsigned char ubyte;
 
 typedef uint8_t blockid_t;
 typedef uint16_t light_t;
+
+#endif

src/util/platform.cpp

@@ -1,19 +1,23 @@
 #include "platform.h"
 
 #include <sstream>
-#include <filesystem>
 #include <iomanip>
 #include <time.h>
 
 #include "../typedefs.h"
 
 #define SETTINGS_FILE "settings.toml"
+#define CONTROLS_FILE "controls.json"
 
-using std::string;
+using std::filesystem::path;
 
 
-string platform::get_settings_file() {
-	return SETTINGS_FILE;
+path platform::get_settings_file() {
+	return path(SETTINGS_FILE);
+}
+
+path platform::get_controls_file() {
+	return path(CONTROLS_FILE);
 }
 
 #ifdef WIN32

src/util/platform.h

@@ -2,10 +2,12 @@
 #define UTIL_PLATFORM_H_
 
 #include <string>
+#include <filesystem>
 
 namespace platform {
     extern void configure_encoding();
-    extern std::string get_settings_file();
+    extern std::filesystem::path get_settings_file();
+    extern std::filesystem::path get_controls_file();
 }
 
 #endif // UTIL_PLATFORM_H_

src/voxel_engine.cpp

@@ -1,9 +1,9 @@
 #include <iostream>
 #include <cmath>
 #include <stdint.h>
-
 #include <memory>
 #include <filesystem>
+#include <stdexcept>
 
 #include "definitions.h"
 
@@ -11,8 +11,11 @@
 #include "engine.h"
 
 #include "coders/toml.h"
+#include "coders/json.h"
 #include "files/files.h"
 
+#include "window/Events.h"
+
 toml::Wrapper create_wrapper(EngineSettings& settings) {
 	toml::Wrapper wrapper;
 	toml::Section& display = wrapper.add("display");
@@ -38,6 +41,48 @@ toml::Wrapper create_wrapper(EngineSettings& settings) {
 	return wrapper;
 }
 
+std::string write_controls() {
+	json::JObject* obj = new json::JObject();
+	for (auto& entry : Events::bindings) {
+		const auto& binding = entry.second;
+
+		json::JObject* jentry = new json::JObject();
+		switch (binding.type) {
+			case inputtype::keyboard: jentry->put("type", "keyboard"); break;
+			case inputtype::mouse: jentry->put("type", "mouse"); break;
+			default: throw std::runtime_error("unsupported control type");
+		}
+		jentry->put("code", binding.code);
+		obj->put(entry.first, jentry);
+	}
+	return json::stringify(obj, true, "  ");
+}
+
+void load_controls(std::string filename, std::string source) {
+	json::JObject* obj = json::parse(filename, source);
+	for (auto& entry : Events::bindings) {
+		auto& binding = entry.second;
+
+		json::JObject* jentry = obj->obj(entry.first);
+		if (jentry == nullptr)
+			continue;
+		inputtype type;
+		std::string typestr;
+		jentry->str("type", typestr);
+
+		if (typestr == "keyboard") {
+			type = inputtype::keyboard;
+		} else if (typestr == "mouse") {
+			type = inputtype::mouse;
+		} else {
+			std::cerr << "unknown input type '" << typestr << "'" << std::endl;
+			continue;
+		}
+		binding.type = type;
+		jentry->num("code", binding.code);
+	}
+}
+
 int main() {
 	platform::configure_encoding();
 	setup_definitions();
@@ -45,21 +90,26 @@ int main() {
 	    EngineSettings settings;
 		toml::Wrapper wrapper = create_wrapper(settings);
 
-		std::string settings_file = platform::get_settings_file();
+		std::filesystem::path settings_file = platform::get_settings_file();
+		std::filesystem::path controls_file = platform::get_controls_file();
 		if (std::filesystem::is_regular_file(settings_file)) {
 			std::cout << "-- loading settings" << std::endl;
 			std::string content = files::read_string(settings_file);
 			toml::Reader reader(&wrapper, settings_file, content);
 			reader.read();
-		} else {
-			std::cout << "-- creating settings file " << settings_file << std::endl;
-			files::write_string(settings_file, wrapper.write());
 		}
 		Engine engine(settings);
+		setup_bindings();
+		if (std::filesystem::is_regular_file(controls_file)) {
+			std::cout << "-- loading controls" << std::endl;
+			std::string content = files::read_string(controls_file);
+			load_controls(controls_file.string(), content);
+		}
 		engine.mainloop();
 		
 		std::cout << "-- saving settings" << std::endl;
 		files::write_string(settings_file, wrapper.write());
+		files::write_string(controls_file, write_controls());
 	}
 	catch (const initialize_error& err) {
 		std::cerr << "could not to initialize engine" << std::endl;

src/window/Events.cpp

@@ -14,6 +14,7 @@ bool Events::_cursor_locked = false;
 bool Events::_cursor_started = false;
 std::vector<uint> Events::codepoints;
 std::vector<int> Events::pressedKeys;
+std::unordered_map<std::string, Binding> Events::bindings;
 
 int Events::initialize(){
 	_keys = new bool[1032];
@@ -64,4 +65,47 @@ void Events::pullEvents(){
 	codepoints.clear();
 	pressedKeys.clear();
 	glfwPollEvents();
+
+	for (auto& entry : bindings) {
+		auto& binding = entry.second;
+		binding.justChange = false;
+
+		bool newstate = false;
+		switch (binding.type) {
+			case inputtype::keyboard: newstate = pressed(binding.code); break;
+			case inputtype::mouse: newstate = clicked(binding.code); break;
+		}
+
+		if (newstate) {
+			if (!binding.state) {
+				binding.state = true;
+				binding.justChange = true;
+			}
+		} else {
+			if (binding.state) {
+				binding.state = false;
+				binding.justChange = true;
+			}
+		}
+	}
+}
+
+void Events::bind(std::string name, inputtype type, int code) {
+	bindings[name] = {type, code, false, false};
+}
+
+bool Events::active(std::string name) {
+	const auto& found = bindings.find(name);
+	if (found == bindings.end()) {
+		return false;
+	}
+	return found->second.active();
+}
+
+bool Events::jactive(std::string name) {
+	const auto& found = bindings.find(name);
+	if (found == bindings.end()) {
+		return false;
+	}
+	return found->second.jactive();
 }

src/window/Events.h

@@ -2,6 +2,11 @@
 #define WINDOW_EVENTS_H_
 
 #include "Window.h"
+#include "input.h"
+
+#include <string>
+#include <vector>
+#include <unordered_map>
 
 typedef unsigned int uint;
 
@@ -18,6 +23,7 @@ public:
 	static bool _cursor_started;
 	static std::vector<uint> codepoints;
 	static std::vector<int> pressedKeys;
+	static std::unordered_map<std::string, Binding> bindings;
 
 	static int initialize();
 	static void finalize();
@@ -30,6 +36,10 @@ public:
 	static bool jclicked(int button);
 
 	static void toggleCursor();
+
+	static void bind(std::string name, inputtype type, int code);
+	static bool active(std::string name);
+	static bool jactive(std::string name);
 };
 
 #define _MOUSE_BUTTONS 1024

src/window/input.cpp

@@ -65,7 +65,81 @@ int keycode::NUM_6 = GLFW_KEY_6;
 int keycode::NUM_7 = GLFW_KEY_7;
 int keycode::NUM_8 = GLFW_KEY_8;
 int keycode::NUM_9 = GLFW_KEY_9;
+int keycode::MENU = GLFW_KEY_MENU;
+int keycode::PAUSE = GLFW_KEY_PAUSE;
+int keycode::INSERT = GLFW_KEY_INSERT;
+int keycode::LEFT_SUPER = GLFW_KEY_LEFT_SUPER;
+int keycode::RIGHT_SUPER = GLFW_KEY_RIGHT_SUPER;
+int keycode::DELETE = GLFW_KEY_DELETE;
+int keycode::PAGE_UP = GLFW_KEY_PAGE_UP;
+int keycode::PAGE_DOWN = GLFW_KEY_PAGE_DOWN;
+int keycode::HOME = GLFW_KEY_HOME;
+int keycode::END = GLFW_KEY_END;
+int keycode::PRINT_SCREEN = GLFW_KEY_PRINT_SCREEN;
+int keycode::NUM_LOCK = GLFW_KEY_NUM_LOCK;
+int keycode::LEFT_BRACKET = GLFW_KEY_LEFT_BRACKET;
+int keycode::RIGHT_BRACKET = GLFW_KEY_RIGHT_BRACKET;
+
+const char* keycode::name(int code) {
+    const char* name = glfwGetKeyName(code, glfwGetKeyScancode(code));
+    if (name == nullptr) {
+        switch (code) {
+            case GLFW_KEY_TAB: return "Tab";
+            case GLFW_KEY_LEFT_CONTROL: return "Left Ctrl";
+            case GLFW_KEY_RIGHT_CONTROL: return "Right Ctrl";
+            case GLFW_KEY_LEFT_ALT: return "Left Alt";
+            case GLFW_KEY_RIGHT_ALT: return "Right Alt";
+            case GLFW_KEY_LEFT_SHIFT: return "Left Shift";
+            case GLFW_KEY_RIGHT_SHIFT: return "Right Shift";
+            case GLFW_KEY_CAPS_LOCK: return "Caps-Lock";
+            case GLFW_KEY_SPACE: return "Space";
+            case GLFW_KEY_ESCAPE: return "Esc";
+            case GLFW_KEY_ENTER: return "Enter";
+            case GLFW_KEY_UP: return "Up";
+            case GLFW_KEY_DOWN: return "Down";
+            case GLFW_KEY_LEFT: return "Left";
+            case GLFW_KEY_RIGHT: return "Right";
+            case GLFW_KEY_BACKSPACE: return "Backspace";
+            case GLFW_KEY_F1: return "F1";
+            case GLFW_KEY_F2: return "F2";
+            case GLFW_KEY_F3: return "F3";
+            case GLFW_KEY_F4: return "F4";
+            case GLFW_KEY_F5: return "F5";
+            case GLFW_KEY_F6: return "F6";
+            case GLFW_KEY_F7: return "F7";
+            case GLFW_KEY_F8: return "F8";
+            case GLFW_KEY_F9: return "F9";
+            case GLFW_KEY_F10: return "F10";
+            case GLFW_KEY_F11: return "F11";
+            case GLFW_KEY_F12: return "F12";
+            case GLFW_KEY_DELETE: return "Delete";
+            case GLFW_KEY_HOME: return "Home";
+            case GLFW_KEY_END: return "End";
+            case GLFW_KEY_LEFT_SUPER: return "Left Super";
+            case GLFW_KEY_RIGHT_SUPER: return "Right Super";
+            case GLFW_KEY_PAGE_UP: return "Page Up";
+            case GLFW_KEY_PAGE_DOWN: return "Page Down";
+            case GLFW_KEY_INSERT: return "Insert";
+            case GLFW_KEY_PRINT_SCREEN: return "Print Screen";
+            case GLFW_KEY_NUM_LOCK: return "Num Lock";
+            case GLFW_KEY_MENU: return "Menu";
+            case GLFW_KEY_PAUSE: return "Pause";
+            default:
+                return "Unknown";
+        }
+    }
+    return name;
+}
 
 int mousecode::BUTTON_1 = GLFW_MOUSE_BUTTON_1;
 int mousecode::BUTTON_2 = GLFW_MOUSE_BUTTON_2;
 int mousecode::BUTTON_3 = GLFW_MOUSE_BUTTON_3;
+
+const char* mousecode::name(int code) {
+    switch (code) {
+        case GLFW_MOUSE_BUTTON_1: return "LMB";
+        case GLFW_MOUSE_BUTTON_2: return "RMB";
+        case GLFW_MOUSE_BUTTON_3: return "MMB";
+    }
+    return "unknown button";
+}

src/window/input.h

@@ -66,12 +66,59 @@ namespace keycode {
     extern int NUM_7;
     extern int NUM_8;
     extern int NUM_9;
+    extern int MENU;
+    extern int PAUSE;
+    extern int INSERT;
+    extern int LEFT_SUPER;
+    extern int RIGHT_SUPER;
+    extern int DELETE;
+    extern int PAGE_UP;
+    extern int PAGE_DOWN;
+    extern int HOME;
+    extern int END;
+    extern int PRINT_SCREEN;
+    extern int NUM_LOCK;
+    extern int LEFT_BRACKET;
+    extern int RIGHT_BRACKET;
+
+    extern const char* name(int code);
 }
 
 namespace mousecode {
     extern int BUTTON_1;
     extern int BUTTON_2;
     extern int BUTTON_3;
+
+    extern const char* name(int code);
 }
 
+enum class inputtype {
+    keyboard,
+    mouse,
+};
+
+struct Binding {
+    inputtype type;
+    int code;
+    bool state = false;
+    bool justChange = false;
+
+    bool active() const {
+        return state; 
+    }
+
+    bool jactive() const {
+        return state && justChange;
+    }
+
+    const char* text() const {
+        switch (type) {
+            case inputtype::keyboard: return keycode::name(code);
+            case inputtype::mouse: return mousecode::name(code);
+        }
+        return "<unknown input type>";
+    }
+};
+
+
 #endif // WINDOW_INPUT_H_