feat: grass (#11)

* feat: add grass texture and update grass_block texture

* feat: add block data

* feat: add blocks_tool

* feat: add sync info and change function in blocks_tools

* feat: add check and new function

* refactor: make block texture loading data-driven

* feat: add rendering for grass

* feat: passable grass

* feat: random grass place

* fix: memory leak in TextureManager::load_cross_plane_texture

src/block.cpp

@@ -0,0 +1,144 @@
+#include "Cubed/gameplay/block.hpp"
+
+#include "Cubed/config.hpp"
+#include "Cubed/tools/cubed_assert.hpp"
+#include "Cubed/tools/log.hpp"
+
+#include <filesystem>
+#include <toml++/toml.hpp>
+
+namespace fs = std::filesystem;
+
+using namespace std::string_literals;
+
+namespace {
+std::string block_data_dir = ASSETS_PATH + "data/block"s;
+
+template <Cubed::TomlValueType T>
+std::optional<T> safe_get_value(const toml::table& table, std::string_view key,
+                                const T& default_value) {
+    auto value = table[key].value<T>();
+    if (value == std::nullopt) {
+        Cubed::Logger::warn("Key {} Is Not Find, Wiil Set the Default Value {}",
+                            key, default_value);
+        value = default_value;
+    }
+    return value;
+}
+
+} // namespace
+
+namespace Cubed {
+
+const std::vector<BlockData>& BlockManager::datas() {
+    ASSERT(is_init);
+    return m_datas;
+}
+
+unsigned BlockManager::sums() {
+    ASSERT(is_init);
+    return m_datas.size();
+}
+unsigned BlockManager::cross_plane_sum() {
+    ASSERT(is_init);
+    return m_cross_plane_map.size();
+}
+
+const std::string& BlockManager::name_form_id(BlockType id) {
+    if (id >= sums()) {
+        Logger::error("Id {}, is Over The Max Id", id, sums() - 1);
+        return m_datas[0].name;
+    }
+    return m_datas[id].name;
+}
+
+bool BlockManager::is_cross_plane(BlockType id) {
+    if (id >= sums()) {
+        Logger::error("Id {}, is Over The Max Id", id, sums() - 1);
+        return m_datas[0].is_cross_plane;
+    }
+    return m_datas[id].is_cross_plane;
+}
+
+bool BlockManager::is_transparent(BlockType id) {
+    if (id >= sums()) {
+        Logger::error("Id {}, is Over The Max Id", id, sums() - 1);
+        return m_datas[0].is_transparent;
+    }
+    return m_datas[id].is_transparent;
+}
+bool BlockManager::is_passable(BlockType id) {
+    if (id >= sums()) {
+        Logger::error("Id {}, is Over The Max Id", id, sums() - 1);
+        return m_datas[0].is_passable;
+    }
+    return m_datas[id].is_passable;
+}
+
+void BlockManager::init() {
+    fs::path data_path{block_data_dir};
+
+    for (auto entry : fs::recursive_directory_iterator(data_path)) {
+        if (!entry.is_regular_file()) {
+            continue;
+        }
+        if (entry.path().filename() == "template.toml") {
+            continue;
+        }
+        toml::table block;
+        try {
+            block = toml::parse_file(entry.path().c_str());
+        } catch (const toml::parse_error& err) {
+            Logger::error("Load Block Data {} Fail, Parser Error {}",
+                          entry.path().c_str(), err.what());
+            ASSERT(false);
+        }
+        auto id = block["id"].value<int>();
+        if (id == std::nullopt) {
+            Logger::error("Very Serious Error, Block Id Not Find !!!, Please "
+                          "Check The Block Data Integrity");
+            std::abort();
+        }
+        auto name = block["name"].value<std::string>();
+        if (name == std::nullopt) {
+            Logger::error("Very Serious Error, Block Name Not Find !!!, Please "
+                          "Check The Block Data Integrity");
+            std::abort();
+        }
+        auto is_liquid = safe_get_value(block, "is_liquid", false);
+        auto is_passable = safe_get_value(block, "is_passable", false);
+        auto is_cross_plane = safe_get_value(block, "is_cross_plane", false);
+        auto is_transparent = safe_get_value(block, "is_transparent", false);
+        m_datas.emplace_back(*id, *name, *is_liquid, *is_passable,
+                             *is_cross_plane, *is_transparent);
+    }
+    std::sort(
+        m_datas.begin(), m_datas.end(),
+        [](const BlockData& a, const BlockData& b) { return a.id < b.id; });
+
+    set_up_cross_plane_map();
+    is_init = true;
+}
+
+BlockType BlockManager::cross_plane_index(BlockType id) {
+    auto it = m_cross_plane_map.find(id);
+    if (it == m_cross_plane_map.end()) {
+        Logger::error("Can't Find Cross Plane Id {}", id);
+        ASSERT(false);
+        throw std::out_of_range{"Can't Find Cross Plane Id" +
+                                std::to_string(id)};
+    }
+    return it->second;
+}
+
+void BlockManager::set_up_cross_plane_map() {
+    unsigned cur_id = 0;
+    for (const auto& data : m_datas) {
+        if (data.is_cross_plane) {
+            m_cross_plane_map[data.id] = cur_id;
+            cur_id++;
+        }
+    }
+}
+
+} // namespace Cubed