main menu glitch fix + refactor

src/frontend/screens/LevelScreen.cpp

@@ -83,8 +83,11 @@ void LevelScreen::saveWorldPreview() {
         // camera special copy for world preview
         Camera camera = *player->camera;
         camera.setFov(glm::radians(70.0f));
+
+        DrawContext pctx(nullptr, {Window::width, Window::height}, batch.get());
+
         Viewport viewport(previewSize * 1.5, previewSize);
-        DrawContext ctx(nullptr, viewport, batch.get());
+        DrawContext ctx(&pctx, viewport, batch.get());
         
         worldRenderer->draw(ctx, &camera, false, postProcessing.get());
         auto image = postProcessing->toImage();

src/voxels/VoxelsVolume.cpp

@@ -1,27 +1,20 @@
 #include "VoxelsVolume.hpp"
 
-VoxelsVolume::VoxelsVolume(int x, int y, int z, int w, int h, int d)
+VoxelsVolume::VoxelsVolume(
-						 : x(x), y(y), z(z), w(w), h(h), d(d) {
+    int x, int y, int z, int w, int h, int d
-	voxels = new voxel[w * h * d];
+) : x(x), y(y), z(z), w(w), h(h), d(d),
+    voxels(std::make_unique<voxel[]>(w * h * d)),
+    lights(std::make_unique<light_t[]>(w * h * d))
+{
     for (int i = 0; i < w * h * d; i++) {
         voxels[i].id = BLOCK_VOID;
     }
-	lights = new light_t[w * h * d];
 }
 
-VoxelsVolume::VoxelsVolume(int w, int h, int d)
+VoxelsVolume::VoxelsVolume(int w, int h, int d) : VoxelsVolume(0, 0, 0, w, h, d)
-	: x(0), y(0), z(0), w(w), h(h), d(d) {
+{}
-	voxels = new voxel[w * h * d];
-	for (int i = 0; i < w * h * d; i++) {
-		voxels[i].id = BLOCK_VOID;
-	}
-	lights = new light_t[w * h * d];
-}
 
-VoxelsVolume::~VoxelsVolume() {
+VoxelsVolume::~VoxelsVolume() {}
-	delete[] lights;
-	delete[] voxels;
-}
 
 void VoxelsVolume::setPosition(int x, int y, int z) {
     this->x = x;

src/voxels/VoxelsVolume.hpp

@@ -8,8 +8,8 @@
 class VoxelsVolume {
     int x, y, z;
     int w, h, d;
-	voxel* voxels;
+    std::unique_ptr<voxel[]> voxels;
-	light_t* lights;
+    std::unique_ptr<light_t[]> lights;
 public:
     VoxelsVolume(int w, int h, int d);
     VoxelsVolume(int x, int y, int z, int w, int h, int d);
@@ -42,11 +42,11 @@ public:
     }
 
     voxel* getVoxels() const {
-		return voxels;
+        return voxels.get();
     }
 
     light_t* getLights() const {
-		return lights;
+        return lights.get();
     }
 
     inline blockid_t pickBlockId(int bx, int by, int bz) const {

src/voxels/voxel.hpp

@@ -3,17 +3,17 @@
 
 #include "../typedefs.hpp"
 
-const int BLOCK_DIR_NORTH = 0x0;
+inline constexpr int BLOCK_DIR_NORTH = 0x0;
-const int BLOCK_DIR_WEST = 0x1;
+inline constexpr int BLOCK_DIR_WEST = 0x1;
-const int BLOCK_DIR_SOUTH = 0x2;
+inline constexpr int BLOCK_DIR_SOUTH = 0x2;
-const int BLOCK_DIR_EAST = 0x3;
+inline constexpr int BLOCK_DIR_EAST = 0x3;
-const int BLOCK_DIR_UP = 0x4;
+inline constexpr int BLOCK_DIR_UP = 0x4;
-const int BLOCK_DIR_DOWN = 0x5;
+inline constexpr int BLOCK_DIR_DOWN = 0x5;
 
 // limited to 8 block orientations
-const int BLOCK_ROT_MASK =      0b0000'0111;
+inline constexpr int BLOCK_ROT_MASK =      0b0000'0111;
 // reserved bits
-const int BLOCK_RESERVED_MASK = 0b1111'1000;
+inline constexpr int BLOCK_RESERVED_MASK = 0b1111'1000;
 
 struct voxel {
     blockid_t id;
@@ -28,4 +28,4 @@ struct voxel {
     }
 };
 
-#endif /* VOXELS_VOXEL_HPP_ */
+#endif // VOXELS_VOXEL_HPP_