hud refactor (part II)

src/frontend/BlocksPreview.cpp

@@ -2,6 +2,7 @@
 
 #include <glm/ext.hpp>
 
+#include "../assets/Assets.h"
 #include "../graphics/Viewport.h"
 #include "../graphics/Shader.h"
 #include "../graphics/Texture.h"
@@ -11,10 +12,10 @@
 #include "../voxels/Block.h"
 #include "ContentGfxCache.h"
 
-BlocksPreview::BlocksPreview(Shader* shader, 
-                             Atlas* atlas, 
-                             const ContentGfxCache* cache)
-    : shader(shader), atlas(atlas), cache(cache) {
+BlocksPreview::BlocksPreview(Assets* assets, const ContentGfxCache* cache)
+    : shader(assets->getShader("ui3d")), 
+      atlas(assets->getAtlas("blocks")), 
+      cache(cache) {
     batch = std::make_unique<Batch3D>(1024);
 }
 
@@ -37,9 +38,8 @@ void BlocksPreview::draw(const Block* def, int x, int y, int size, glm::vec4 tin
     uint width = viewport->getWidth();
     uint height = viewport->getHeight();
 
-    y = height - y - 1;
+    y = height - y - 1 - 35 /* magic garbage */;
     x += 2;
-    y -= 35;
 
     glm::vec3 offset (x/float(width) * 2, y/float(height) * 2, 0.0f);
     shader->uniformMatrix("u_apply", glm::translate(glm::mat4(1.0f), offset));

src/frontend/BlocksPreview.h

@@ -5,6 +5,7 @@
 #include <glm/glm.hpp>
 #include <memory>
 
+class Assets;
 class Viewport;
 class Shader;
 class Atlas;
@@ -19,11 +20,11 @@ class BlocksPreview {
     const ContentGfxCache* const cache;
     const Viewport* viewport;
 public:
-    BlocksPreview(Shader* shader, Atlas* atlas, const ContentGfxCache* cache);
+    BlocksPreview(Assets* assets, const ContentGfxCache* cache);
     ~BlocksPreview();
 
     void begin(const Viewport* viewport);
     void draw(const Block* block, int x, int y, int size, glm::vec4 tint);
 };
 
-#endif // FRONTEND_BLOCKS_PREVIEW_H_
+#endif // FRONTEND_BLOCKS_PREVIEW_H_

src/frontend/ContentGfxCache.h

@@ -19,4 +19,4 @@ public:
     }
 };
 
-#endif // FRONTEND_BLOCKS_GFX_CACHE_H_
+#endif // FRONTEND_BLOCKS_GFX_CACHE_H_

src/frontend/InventoryView.cpp

@@ -3,6 +3,7 @@
 #include <glm/glm.hpp>
 
 #include "BlocksPreview.h"
+#include "LevelFrontend.h"
 #include "../window/Events.h"
 #include "../assets/Assets.h"
 #include "../graphics/Shader.h"
@@ -15,18 +16,16 @@
 
 InventoryView::InventoryView(
             int columns,
-            const Assets* assets,
             const ContentIndices* indices,
-            const ContentGfxCache* cache, 
-            std::vector<blockid_t> blocks)
-            : assets(assets), 
-              indices(indices), 
-              cache(cache), 
+            LevelFrontend* frontend,
+            std::vector<blockid_t> blocks) 
+            : indices(indices), 
               blocks(blocks),
+              frontend(frontend),
               columns(columns) {
-    blocksPreview = new BlocksPreview(assets->getShader("ui3d"),
-                                      assets->getAtlas("blocks"),
-                                      cache);
+}
+
+InventoryView::~InventoryView() {
 }
 
 void InventoryView::setPosition(int x, int y) {
@@ -48,6 +47,7 @@ void InventoryView::setSlotConsumer(slotconsumer consumer) {
 }
 
 void InventoryView::actAndDraw(const GfxContext* ctx) {
+    Assets* assets = frontend->getAssets();
     Shader* uiShader = assets->getShader("ui");
 
     auto viewport = ctx->getViewport();
@@ -73,6 +73,8 @@ void InventoryView::actAndDraw(const GfxContext* ctx) {
     }
     scroll = std::min(scroll, int(inv_h-viewport.getHeight()));
     scroll = std::max(scroll, 0);
+
+    auto blocksPreview = frontend->getBlocksPreview();
 	blocksPreview->begin(&ctx->getViewport());
 	{
 		Window::clearDepth();

src/frontend/InventoryView.h

@@ -10,18 +10,15 @@
 class Assets;
 class GfxContext;
 class ContentIndices;
-class BlocksPreview;
-class ContentGfxCache;
+class LevelFrontend;
 
 typedef std::function<void(blockid_t)> slotconsumer;
 
 class InventoryView {
-    const Assets* assets;
     const ContentIndices* indices;
-    const ContentGfxCache* const cache;
     std::vector<blockid_t> blocks;
-    BlocksPreview* blocksPreview;
     slotconsumer consumer = nullptr;
+    LevelFrontend* frontend;
 
     int scroll = 0;
     int columns;
@@ -32,13 +29,15 @@ class InventoryView {
 public:
     InventoryView(
         int columns,
-        const Assets* assets,
         const ContentIndices* indices, 
-        const ContentGfxCache* cache,
+        LevelFrontend* frontend,
         std::vector<blockid_t> blocks);
 
+    virtual ~InventoryView();
+
+    virtual void actAndDraw(const GfxContext* ctx);
+
     void setPosition(int x, int y);
-    void actAndDraw(const GfxContext* ctx);
     int getWidth() const;
     int getHeight() const;
     void setSlotConsumer(slotconsumer consumer);

src/frontend/LevelFrontend.cpp

@@ -0,0 +1,33 @@
+#include "LevelFrontend.h"
+
+#include "../world/Level.h"
+#include "../assets/Assets.h"
+#include "BlocksPreview.h"
+#include "ContentGfxCache.h"
+
+LevelFrontend::LevelFrontend(Level* level, Assets* assets) 
+: level(level),
+  assets(assets),
+  contentCache(std::make_unique<ContentGfxCache>(level->content, assets)),
+  blocksPreview(std::make_unique<BlocksPreview>(assets, contentCache.get())) {
+
+}
+
+LevelFrontend::~LevelFrontend() {
+}
+
+Level* LevelFrontend::getLevel() const {
+    return level;
+}
+
+Assets* LevelFrontend::getAssets() const {
+    return assets;
+}
+
+BlocksPreview* LevelFrontend::getBlocksPreview() const {
+    return blocksPreview.get();
+}
+
+ContentGfxCache* LevelFrontend::getContentGfxCache() const {
+    return contentCache.get();
+}

src/frontend/LevelFrontend.h

@@ -0,0 +1,27 @@
+#ifndef FRONTEND_LEVEL_FRONTEND_H_
+#define FRONTEND_LEVEL_FRONTEND_H_
+
+#include <memory>
+
+class Level;
+class Assets;
+class BlocksPreview;
+class ContentGfxCache;
+
+class LevelFrontend {
+    Level* level;
+    Assets* assets;
+    std::unique_ptr<ContentGfxCache> contentCache;
+    std::unique_ptr<BlocksPreview> blocksPreview;
+public:
+    LevelFrontend(Level* level, Assets* assets);
+    ~LevelFrontend();
+
+    Level* getLevel() const;
+    Assets* getAssets() const;
+    BlocksPreview* getBlocksPreview() const;
+    ContentGfxCache* getContentGfxCache() const;
+};
+
+
+#endif // FRONTEND_LEVEL_FRONTEND_H_

src/frontend/WorldRenderer.cpp

@@ -27,7 +27,7 @@
 #include "../maths/voxmaths.h"
 #include "../settings.h"
 #include "../engine.h"
-#include "ContentGfxCache.h"
+#include "LevelFrontend.h"
 #include "graphics/Skybox.h"
 
 using glm::vec3;
@@ -38,12 +38,14 @@ using std::shared_ptr;
 
 WorldRenderer::WorldRenderer(Engine* engine, 
 							 Level* level, 
-							 const ContentGfxCache* cache) 
+							 LevelFrontend* frontend) 
 	: engine(engine), 
 	  level(level),
 	  frustumCulling(new Frustum()),
 	  lineBatch(new LineBatch()),
-	  renderer( new ChunksRenderer(level, cache, engine->getSettings())) {
+	  renderer(new ChunksRenderer(level, 
+                frontend->getContentGfxCache(), 
+                engine->getSettings())) {
 
 	auto& settings = engine->getSettings();
 	level->events->listen(EVT_CHUNK_HIDDEN, 

src/frontend/WorldRenderer.h

@@ -21,7 +21,7 @@ class Texture;
 class Frustum;
 class Engine;
 class Chunks;
-class ContentGfxCache;
+class LevelFrontend;
 class Skybox;
 
 class WorldRenderer {
@@ -34,7 +34,7 @@ class WorldRenderer {
 	bool drawChunk(size_t index, Camera* camera, Shader* shader, bool culling);
 	void drawChunks(Chunks* chunks, Camera* camera, Shader* shader);
 public:
-	WorldRenderer(Engine* engine, Level* level, const ContentGfxCache* cache);
+	WorldRenderer(Engine* engine, Level* level, LevelFrontend* frontend);
 	~WorldRenderer();
 
 	void draw(const GfxContext& context, Camera* camera);

src/frontend/hud.cpp

@@ -39,47 +39,44 @@
 #include "WorldRenderer.h"
 #include "BlocksPreview.h"
 #include "InventoryView.h"
+#include "LevelFrontend.h"
 #include "../engine.h"
 #include "../core_defs.h"
 
-using std::wstring;
-using std::shared_ptr;
 using glm::vec2;
 using glm::vec3;
 using glm::vec4;
 using namespace gui;
 
-inline Label* create_label(gui::wstringsupplier supplier) {
-	Label* label = new Label(L"-");
+inline std::shared_ptr<Label> create_label(gui::wstringsupplier supplier) {
+	auto label = std::make_shared<Label>(L"-");
 	label->textSupplier(supplier);
 	return label;
 }
 
 void HudRenderer::createDebugPanel(Engine* engine) {
     Panel* panel = new Panel(vec2(250, 200), vec4(5.0f), 1.0f);
-	debugPanel = shared_ptr<UINode>(panel);
+	debugPanel = std::shared_ptr<UINode>(panel);
 	panel->listenInterval(1.0f, [this]() {
 		fpsString = std::to_wstring(fpsMax)+L" / "+std::to_wstring(fpsMin);
 		fpsMin = fps;
 		fpsMax = fps;
 	});
 	panel->setCoord(vec2(10, 10));
-	panel->add(shared_ptr<Label>(create_label([this](){
-		return L"fps: "+this->fpsString;
-	})));
-	panel->add(shared_ptr<Label>(create_label([this](){
+	panel->add(create_label([this](){ return L"fps: "+this->fpsString;}));
+	panel->add(create_label([this](){
 		return L"meshes: " + std::to_wstring(Mesh::meshesCount);
-	})));
-	panel->add(shared_ptr<Label>(create_label([=](){
+	}));
+	panel->add(create_label([=](){
 		auto& settings = engine->getSettings();
 		bool culling = settings.graphics.frustumCulling;
-		return L"frustum-culling: "+wstring(culling ? L"on" : L"off");
-	})));
-	panel->add(shared_ptr<Label>(create_label([this]() {
+		return L"frustum-culling: "+std::wstring(culling ? L"on" : L"off");
+	}));
+	panel->add(create_label([this]() {
 		return L"chunks: "+std::to_wstring(level->chunks->chunksCount)+
 			   L" visible: "+std::to_wstring(level->chunks->visible);
-	})));
-	panel->add(shared_ptr<Label>(create_label([this](){
+	}));
+	panel->add(create_label([this](){
 		auto player = level->player;
 		auto indices = level->content->indices;
 		auto def = indices->getBlockDef(player->selectedVoxel.id);
@@ -90,16 +87,16 @@ void HudRenderer::createDebugPanel(Engine* engine) {
 		}
 		return L"block: "+std::to_wstring(player->selectedVoxel.id)+
 		       L" "+stream.str();
-	})));
-	panel->add(shared_ptr<Label>(create_label([this](){
+	}));
+	panel->add(create_label([this](){
 		return L"seed: "+std::to_wstring(level->world->seed);
-	})));
+	}));
 
 	for (int ax = 0; ax < 3; ax++){
 		Panel* sub = new Panel(vec2(10, 27), vec4(0.0f));
 		sub->orientation(Orientation::horizontal);
 
-		wstring str = L"x: ";
+		std::wstring str = L"x: ";
 		str[0] += ax;
 		Label* label = new Label(str);
 		label->margin(vec4(2, 3, 2, 3));
@@ -112,7 +109,7 @@ void HudRenderer::createDebugPanel(Engine* engine) {
 			Hitbox* hitbox = this->level->player->hitbox;
 			return std::to_wstring(hitbox->position[ax]);
 		});
-		box->textConsumer([this, ax](wstring text) {
+		box->textConsumer([this, ax](std::wstring text) {
 			try {
 				vec3 position = this->level->player->hitbox->position;
 				position[ax] = std::stoi(text);
@@ -124,7 +121,7 @@ void HudRenderer::createDebugPanel(Engine* engine) {
 		sub->add(box);
 		panel->add(sub);
 	}
-	panel->add(shared_ptr<Label>(create_label([this](){
+	panel->add(create_label([this](){
 		int hour, minute, second;
 		timeutil::from_value(this->level->world->daytime, hour, minute, second);
 
@@ -132,7 +129,7 @@ void HudRenderer::createDebugPanel(Engine* engine) {
 					 util::lfill(std::to_wstring(hour), 2, L'0') + L":" +
 					 util::lfill(std::to_wstring(minute), 2, L'0');
 		return L"time: "+timeString;
-	})));
+	}));
 	{
 		TrackBar* bar = new TrackBar(0.0f, 1.0f, 1.0f, 0.005f, 8);
 		bar->supplier([=]() {
@@ -176,15 +173,13 @@ void HudRenderer::createDebugPanel(Engine* engine) {
 
 HudRenderer::HudRenderer(Engine* engine, 
 						 Level* level, 
-						 const ContentGfxCache* cache) 
-            : level(level), 
-			  assets(engine->getAssets()), 
-			  gui(engine->getGUI()),
-			  cache(cache) {
+						 LevelFrontend* frontend) 
+    : level(level), 
+      assets(engine->getAssets()), 
+      gui(engine->getGUI()),
+      frontend(frontend) {
+
 	auto menu = gui->getMenu();
-	blocksPreview = new BlocksPreview(assets->getShader("ui3d"),
-									  assets->getAtlas("blocks"),
-									  cache);
     auto content = level->content;
     auto indices = content->indices;
     std::vector<blockid_t> blocks;
@@ -194,7 +189,7 @@ HudRenderer::HudRenderer(Engine* engine,
             continue;
         blocks.push_back(id);
     }
-    contentAccess.reset(new InventoryView(8, assets, indices, cache, blocks));
+    contentAccess.reset(new InventoryView(8, indices, frontend, blocks));
     contentAccess->setSlotConsumer([=](blockid_t id) {
         level->player->chosenBlock = id;
     });
@@ -211,7 +206,6 @@ HudRenderer::HudRenderer(Engine* engine,
 
 HudRenderer::~HudRenderer() {
 	gui->remove(debugPanel);
-	delete blocksPreview;
 	delete uicamera;
 }
 
@@ -275,14 +269,14 @@ void HudRenderer::draw(const GfxContext& ctx){
 		batch->line(width/2-5, height/2-5, width/2+5, height/2+5, 0.9f, 0.9f, 0.9f, 1.0f);
 		batch->line(width/2+5, height/2-5, width/2-5, height/2+5, 0.9f, 0.9f, 0.9f, 1.0f);
 	}
+
 	Player* player = level->player;
-
-
 	batch->color = vec4(0.0f, 0.0f, 0.0f, 0.75f);
 	batch->rect(width - 68, height - 68, 68, 68);
 	batch->color = vec4(1.0f);
 	batch->render();
 
+    auto blocksPreview = frontend->getBlocksPreview();
 	blocksPreview->begin(&ctx.getViewport());
 	{
 		Window::clearDepth();

src/frontend/hud.h

@@ -15,9 +15,8 @@ class Assets;
 class Player;
 class Level;
 class Engine;
-class ContentGfxCache;
-class BlocksPreview;
 class InventoryView;
+class LevelFrontend;
 
 namespace gui {
 	class GUI;
@@ -28,7 +27,6 @@ class HudRenderer {
 	Level* level;
     Assets* assets;
 	Camera* uicamera;
-	BlocksPreview* blocksPreview;
 
 	int fps = 60;
 	int fpsMin = 60;
@@ -40,13 +38,13 @@ class HudRenderer {
     std::unique_ptr<InventoryView> contentAccess;
 	std::shared_ptr<gui::UINode> debugPanel;
 	gui::GUI* gui;
-	const ContentGfxCache* const cache;
+	LevelFrontend* frontend;
 
     void createDebugPanel(Engine* engine);
 public:
 	HudRenderer(Engine* engine, 
 				Level* level, 
-				const ContentGfxCache* cache);
+				LevelFrontend* frontend);
 	~HudRenderer();
 
 	void update();

src/frontend/screens.cpp

@@ -28,6 +28,7 @@
 #include "WorldRenderer.h"
 #include "hud.h"
 #include "ContentGfxCache.h"
+#include "LevelFrontend.h"
 #include "gui/GUI.h"
 #include "gui/panels.h"
 #include "menu.h"
@@ -84,26 +85,20 @@ static bool backlight;
 
 LevelScreen::LevelScreen(Engine* engine, Level* level) 
     : Screen(engine), 
-      level(level) {
+      level(level),
+      frontend(std::make_unique<LevelFrontend>(level, engine->getAssets())),
+      hud(std::make_unique<HudRenderer>(engine, level, frontend.get())),
+      worldRenderer(std::make_unique<WorldRenderer>(engine, level, frontend.get())),
+      controller(std::make_unique<LevelController>(engine->getSettings(), level)) {
+
     auto& settings = engine->getSettings();
-    controller = new LevelController(settings, level);
-    cache = new ContentGfxCache(level->content, engine->getAssets());
-    worldRenderer = new WorldRenderer(engine, level, cache);
-    hud = new HudRenderer(engine, level, cache);
     backlight = settings.graphics.backlight;
 }
 
 LevelScreen::~LevelScreen() {
-    delete controller;
-    delete hud;
-    delete worldRenderer;
-    delete cache;
-
 	std::cout << "-- writing world" << std::endl;
     World* world = level->world;
-	world->write(level);
-
-    delete level;
+	world->write(level.get());
 	delete world;
 }
 

src/frontend/screens.h

@@ -11,7 +11,7 @@ class HudRenderer;
 class Engine;
 class Camera;
 class Batch2D;
-class ContentGfxCache;
+class LevelFrontend;
 class LevelController;
 
 /* Screen is a mainloop state */
@@ -37,11 +37,11 @@ public:
 };
 
 class LevelScreen : public Screen {
-    Level* level;
-    LevelController* controller;
-    WorldRenderer* worldRenderer;
-    HudRenderer* hud;
-    ContentGfxCache* cache;
+    std::unique_ptr<Level> level;
+    std::unique_ptr<LevelFrontend> frontend;
+    std::unique_ptr<HudRenderer> hud;
+    std::unique_ptr<WorldRenderer> worldRenderer;
+    std::unique_ptr<LevelController> controller;
     
     bool hudVisible = true;
     void updateHotkeys();
@@ -53,4 +53,4 @@ public:
     void draw(float delta) override;
 };
 
-#endif // FRONTEND_SCREENS_H_
+#endif // FRONTEND_SCREENS_H_