Merge branch 'dev' into more-about-projects

doc/en/scripting/builtins/libblock.md

@@ -119,13 +119,13 @@ block.seek_origin(x: int, y: int, z: int) -> int, int, int
 
 Part of a voxel data used for scripting. Size: 8 bit.
 
-```python
+```lua
 block.get_user_bits(x: int, y: int, z: int, offset: int, bits: int) -> int
 ``` 
 
 Get specified bits as an unsigned integer.
 
-```python
+```lua
 block.set_user_bits(x: int, y: int, z: int, offset: int, bits: int, value: int) -> int
 ```
 Set specified bits.
@@ -151,6 +151,21 @@ The function returns a table with the results or nil if the ray does not hit any
 
 The result will use the destination table instead of creating a new one if the optional argument specified.
 
+## Model
+
+Block model information.
+
+```lua
+-- returns block model type (block/aabb/custom/...)
+block.get_model(id: int) -> str
+
+-- returns block model name
+block.model_name(id: int) -> str
+
+-- returns array of 6 textures assigned to sides of block
+block.get_textures(id: int) -> string table
+```
+
 ## Data fields
 
 ```lua

doc/ru/scripting/builtins/libblock.md

@@ -171,6 +171,9 @@ block.get_hitbox(id: int, rotation_index: int) -> {vec3, vec3}
 -- возвращает тип модели блока (block/aabb/custom/...)
 block.get_model(id: int) -> str
 
+-- возвращает имя модели блока
+block.model_name(id: int) -> str
+
 -- возвращает массив из 6 текстур, назначенных на стороны блока
 block.get_textures(id: int) -> таблица строк
 ```

flake.nix

@@ -1,16 +1,69 @@
 {
+  description = "VoxelCore – voxel game engine in C++";
+
   inputs = {
     nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
     flake-utils.url = "github:numtide/flake-utils";
   };
 
-  outputs = { self, nixpkgs, flake-utils }:
-    flake-utils.lib.eachDefaultSystem (system: {
-        devShells.default = with nixpkgs.legacyPackages.${system}; mkShell {
-          nativeBuildInputs = [ cmake pkg-config ];
-          buildInputs = [ glm glfw glew zlib libpng libvorbis openal luajit curl ]; # libglvnd
-          packages = [ glfw mesa freeglut entt ];
-          LD_LIBRARY_PATH = "${wayland}/lib:$LD_LIBRARY_PATH";
+  outputs =
+    {
+      self,
+      nixpkgs,
+      flake-utils,
+    }:
+    flake-utils.lib.eachDefaultSystem (
+      system:
+      let
+        pkgs = import nixpkgs { inherit system; };
+        voxel-core = pkgs.stdenv.mkDerivation {
+          name = "voxel-core";
+
+          src = ./.;
+
+          nativeBuildInputs = with pkgs; [
+            cmake
+            pkg-config
+          ];
+
+          buildInputs = with pkgs; [
+            glm
+            glfw
+            glew
+            zlib
+            libpng
+            libvorbis
+            openal
+            luajit
+            curl
+            entt
+            mesa
+            freeglut
+          ]; # libglvnd
+
+          packages = with pkgs; [
+            glfw
+            mesa
+            freeglut
+            entt
+          ];
+          cmakeFlags = [
+            "-DCMAKE_PREFIX_PATH=${pkgs.entt}"
+            "-DCMAKE_INCLUDE_PATH=${pkgs.entt}/include"
+          ];
+
+          installPhase = ''
+            mkdir -p $out/bin
+            cp VoxelEngine $out/bin/
+          '';
+        };
+      in
+      {
+        packages.default = voxel-core;
+        apps.default = {
+          type = "app";
+          program = "${voxel-core}/bin/VoxelCore";
         };
-    });
+      }
+    );
 }

src/frontend/hud.cpp

@@ -538,6 +538,7 @@ void Hud::closeInventory() {
     exchangeSlotInv = nullptr;
     inventoryOpen = false;
     inventoryView = nullptr;
+    secondInvView = nullptr;
     secondUI = nullptr;
 
     for (auto& element : elements) {
@@ -597,6 +598,9 @@ void Hud::remove(const std::shared_ptr<UINode>& node) {
         }
     }
     cleanup();
+    if (node == secondUI) {
+        closeInventory();
+    }
 }
 
 void Hud::setDebug(bool flag) {

src/graphics/core/Batch3D.cpp

@@ -126,7 +126,15 @@ void Batch3D::sprite(
     float scale = 1.0f / static_cast<float>(atlasRes);
     float u = (index % atlasRes) * scale;
     float v = 1.0f - ((index / atlasRes) * scale) - scale;
-    sprite(pos, up, right, w, h, UVRegion(u, v, u+scale, v+scale), tint);
+    sprite(
+        pos + right * w + up * h, // revert centering
+        up,
+        right,
+        w,
+        h,
+        UVRegion(u, v, u + scale, v + scale),
+        tint
+    );
 }
 
 void Batch3D::sprite(

src/graphics/render/ChunksRenderer.cpp

@@ -171,6 +171,9 @@ const Mesh<ChunkVertex>* ChunksRenderer::retrieveChunk(
     if (mesh == nullptr) {
         return nullptr;
     }
+    if (chunk->flags.dirtyHeights) {
+        chunk->updateHeights();
+    }
     if (culling) {
         glm::vec3 min(chunk->x * CHUNK_W, chunk->bottom, chunk->z * CHUNK_D);
         glm::vec3 max(

src/graphics/render/TextsRenderer.cpp

@@ -51,6 +51,7 @@ void TextsRenderer::renderNote(
     glm::vec3 yvec = note.getAxisY();
 
     int width = font.calcWidth(text, text.length());
+    int height = font.getLineHeight();
     if (preset.displayMode == NoteDisplayMode::Y_FREE_BILLBOARD ||
         preset.displayMode == NoteDisplayMode::XY_FREE_BILLBOARD) {
         xvec = camera.position - pos;
@@ -96,8 +97,11 @@ void TextsRenderer::renderNote(
 
             pos = screenPos / screenPos.w;
         }
-    } else if (!frustum.isBoxVisible(pos - xvec * (width * 0.5f * preset.scale), 
-                                     pos + xvec * (width * 0.5f * preset.scale))) {
+    } else if (!frustum.isBoxVisible(
+                   pos - xvec * (width * 0.5f) * preset.scale,
+                   pos + xvec * (width * 0.5f) * preset.scale +
+                       yvec * static_cast<float>(height) * preset.scale
+               )) {
         return;
     }
     auto color = preset.color;

src/logic/scripting/lua/libs/lib__rigidbody.cpp

@@ -54,7 +54,7 @@ static int l_get_gravity_scale(lua::State* L) {
 
 static int l_set_gravity_scale(lua::State* L) {
     if (auto entity = get_entity(L, 1)) {
-        entity->getRigidbody().hitbox.gravityScale = lua::tonumber(L, 2);
+        entity->getRigidbody().hitbox.gravityScale = lua::tovec3(L, 2).y;
     }
     return 0;
 }

src/logic/scripting/lua/libs/libblock.cpp

@@ -101,12 +101,9 @@ static int l_set(lua::State* L) {
     if (static_cast<size_t>(id) >= indices->blocks.count()) {
         return 0;
     }
-    int cx = floordiv<CHUNK_W>(x);
-    int cz = floordiv<CHUNK_D>(z);
-    if (!blocks_agent::get_chunk(*level->chunks, cx, cz)) {
+    if (!blocks_agent::set(*level->chunks, x, y, z, id, int2blockstate(state))) {
         return 0;
     }
-    blocks_agent::set(*level->chunks, x, y, z, id, int2blockstate(state));
 
     auto chunksController = controller->getChunksController();
     if (chunksController == nullptr) {
@@ -364,6 +361,19 @@ static int l_get_textures(lua::State* L) {
     return 0;
 }
 
+
+static int l_model_name(lua::State* L) {
+    if (auto def = require_block(L)) {
+        // TODO: variant argument
+        const auto& modelName = def->defaults.model.name;
+        if (modelName.empty()) {
+            return lua::pushlstring(L, def->name + ".model");
+        }
+        return lua::pushlstring(L, modelName);
+    }
+    return 0;
+}
+
 static int l_get_model(lua::State* L) {
     if (auto def = require_block(L)) {
         // TODO: variant argument
@@ -713,6 +723,7 @@ const luaL_Reg blocklib[] = {
     {"get_size", lua::wrap<l_get_size>},
     {"is_segment", lua::wrap<l_is_segment>},
     {"seek_origin", lua::wrap<l_seek_origin>},
+    {"model_name", lua::wrap<l_model_name>},
     {"get_textures", lua::wrap<l_get_textures>},
     {"get_model", lua::wrap<l_get_model>},
     {"get_hitbox", lua::wrap<l_get_hitbox>},

src/logic/scripting/lua/libs/libhud.cpp

@@ -46,7 +46,7 @@ static int l_open(lua::State* L) {
     }
     return lua::pushinteger(L, hud->openInventory(
         layout,
-        level->inventories->get(invid),
+        lua::isnoneornil(L, 3) ? nullptr : level->inventories->get(invid),
         playerInventory
     )->getId());
 }

src/voxels/Chunk.cpp

@@ -14,6 +14,7 @@ Chunk::Chunk(int xpos, int zpos) : x(xpos), z(zpos) {
 }
 
 void Chunk::updateHeights() {
+    flags.dirtyHeights = false;
     for (uint i = 0; i < CHUNK_VOL; i++) {
         if (voxels[i].id != 0) {
             bottom = i / (CHUNK_D * CHUNK_W);

src/voxels/Chunk.hpp

@@ -37,6 +37,7 @@ public:
         bool loadedLights : 1;
         bool entities : 1;
         bool blocksData : 1;
+        bool dirtyHeights : 1;
     } flags {};
 
     /// @brief Block inventories map where key is index of block in voxels array

src/voxels/blocks_agent.cpp

@@ -7,7 +7,7 @@
 using namespace blocks_agent;
 
 template <class Storage>
-static inline void set_block(
+static inline bool set_block(
     Storage& chunks,
     int32_t x,
     int32_t y,
@@ -16,14 +16,14 @@ static inline void set_block(
     blockstate state
 ) {
     if (y < 0 || y >= CHUNK_H) {
-        return;
+        return false;
     }
     const auto& indices = chunks.getContentIndices();
     int cx = floordiv<CHUNK_W>(x);
     int cz = floordiv<CHUNK_D>(z);
     Chunk* chunk = get_chunk(chunks, cx, cz);
     if (chunk == nullptr) {
-        return;
+        return false;
     }
     int lx = x - cx * CHUNK_W;
     int lz = z - cz * CHUNK_D;
@@ -60,7 +60,8 @@ static inline void set_block(
     else if (y + 1 > chunk->top)
         chunk->top = y + 1;
     else if (id == 0)
-        chunk->updateHeights();
+        chunk->flags.dirtyHeights = true;
+
 
     if (lx == 0 && (chunk = get_chunk(chunks, cx - 1, cz))) {
         chunk->flags.modified = true;
@@ -74,9 +75,10 @@ static inline void set_block(
     if (lz == CHUNK_D - 1 && (chunk = get_chunk(chunks, cx, cz + 1))) {
         chunk->flags.modified = true;
     }
+    return true;
 }
 
-void blocks_agent::set(
+bool blocks_agent::set(
     Chunks& chunks,
     int32_t x,
     int32_t y,
@@ -84,10 +86,10 @@ void blocks_agent::set(
     uint32_t id,
     blockstate state
 ) {
-    set_block(chunks, x, y, z, id, state);
+    return set_block(chunks, x, y, z, id, state);
 }
 
-void blocks_agent::set(
+bool blocks_agent::set(
     GlobalChunks& chunks,
     int32_t x,
     int32_t y,
@@ -95,7 +97,7 @@ void blocks_agent::set(
     uint32_t id,
     blockstate state
 ) {
-    set_block(chunks, x, y, z, id, state);
+    return set_block(chunks, x, y, z, id, state);
 }
 
 template <class Storage>

src/voxels/blocks_agent.hpp

@@ -119,7 +119,7 @@ inline bool is_replaceable_at(const Storage& chunks, int32_t x, int32_t y, int32
 /// @param z block position Z
 /// @param id new block id
 /// @param state new block state
-void set(
+bool set(
     Chunks& chunks,
     int32_t x,
     int32_t y,
@@ -135,7 +135,7 @@ void set(
 /// @param z block position Z
 /// @param id new block id
 /// @param state new block state
-void set(
+bool set(
     GlobalChunks& chunks,
     int32_t x,
     int32_t y,