From 5994371145dd6b914700ea3db3721ff25ac856ee Mon Sep 17 00:00:00 2001
From: KotIsOff <kot252steam@gmail.com>
Date: Sat, 23 Aug 2025 01:33:06 +0300
Subject: [PATCH 01/13] =?UTF-8?q?=D0=9F=D1=80=D0=BE=D0=B2=D0=B5=D1=80?=
 =?UTF-8?q?=D0=BA=D0=B0=20=D0=B2=D0=B5=D1=80=D1=81=D0=B8=D0=B9=20=D0=B7?=
 =?UTF-8?q?=D0=B0=D0=B2=D0=B8=D1=81=D0=B8=D0=BC=D0=BE=D1=81=D1=82=D0=B5?=
 =?UTF-8?q?=D0=B9?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Добавил проверку версий установленных зависимостей паков.
---
 res/layouts/pages/content.xml.lua        | 13 +++++++++++--
 res/texts/en_US.txt                      |  1 +
 res/texts/ru_RU.txt                      |  1 +
 src/content/ContentPack.cpp              | 10 +++++++++-
 src/content/ContentPack.hpp              |  1 +
 src/content/PacksManager.cpp             |  8 ++++++++
 src/logic/scripting/lua/libs/libpack.cpp |  3 ++-
 7 files changed, 33 insertions(+), 4 deletions(-)

diff --git a/res/layouts/pages/content.xml.lua b/res/layouts/pages/content.xml.lua
index 3f1903f3..50288d17 100644
--- a/res/layouts/pages/content.xml.lua
+++ b/res/layouts/pages/content.xml.lua
@@ -181,8 +181,9 @@ function check_dependencies(packinfo)
         return
     end
     for i,dep in ipairs(packinfo.dependencies) do
-        local depid = dep:sub(2,-1)
-        if dep:sub(1,1) == '!' then 
+        local depid, depver = unpack(string.split(dep:sub(2,-1), "@"))
+
+        if dep:sub(1,1) == '!' then
             if not table.has(packs_all, depid) then
                 return string.format(
                     "%s (%s)", gui.str("error.dependency-not-found"), depid
@@ -192,6 +193,14 @@ function check_dependencies(packinfo)
                 table.insert(required, depid)
             end
         end
+
+        local dep_pack = pack.get_info(depid);
+
+        if depver ~= "*" or depver ~= dep_pack.version then
+            return string.format("%s (%s@%s != %s)", gui.str("error.dependency-version-not-met"), depid, dep_pack.version, depver);
+        end
+
+        debug.print(packinfo);
     end
     return
 end
diff --git a/res/texts/en_US.txt b/res/texts/en_US.txt
index 57a6cb6b..267566cd 100644
--- a/res/texts/en_US.txt
+++ b/res/texts/en_US.txt
@@ -7,6 +7,7 @@ world.convert-block-layouts=Blocks fields have changes! Convert world files?
 pack.remove-confirm=Do you want to erase all pack(s) content from the world forever?
 error.pack-not-found=Could not to find pack
 error.dependency-not-found=Dependency pack is not found
+error.dependency-version-not-met=Dependency pack version is not met.
 world.delete-confirm=Do you want to delete world forever?
 world.generators.default=Default
 world.generators.flat=Flat
diff --git a/res/texts/ru_RU.txt b/res/texts/ru_RU.txt
index d2d7c63e..f7f11a36 100644
--- a/res/texts/ru_RU.txt
+++ b/res/texts/ru_RU.txt
@@ -32,6 +32,7 @@ devtools.output=Вывод
 
 error.pack-not-found=Не удалось найти пакет
 error.dependency-not-found=Используемая зависимость не найдена
+error.dependency-version-not-met=Версия зависимости не соответствует необходимой
 pack.remove-confirm=Удалить весь поставляемый паком/паками контент из мира (безвозвратно)?
 
 # Подсказки
diff --git a/src/content/ContentPack.cpp b/src/content/ContentPack.cpp
index ac8c8d59..8c3ea541 100644
--- a/src/content/ContentPack.cpp
+++ b/src/content/ContentPack.cpp
@@ -132,7 +132,15 @@ ContentPack ContentPack::read(const io::path& folder) {
                     level = DependencyLevel::weak;
                     break;
             }
-            pack.dependencies.push_back({level, depName});
+
+            std::string depVersion = "*";
+            size_t version_pos = depName.rfind("@");
+            if (version_pos != std::string::npos){
+                depVersion = depName.substr(version_pos + 1);
+                depName = depName.substr(0, version_pos);
+            }
+            
+            pack.dependencies.push_back({level, depName, depVersion});
         }
     }
 
diff --git a/src/content/ContentPack.hpp b/src/content/ContentPack.hpp
index f4e44801..f8bc760c 100644
--- a/src/content/ContentPack.hpp
+++ b/src/content/ContentPack.hpp
@@ -35,6 +35,7 @@ enum class DependencyLevel {
 struct DependencyPack {
     DependencyLevel level;
     std::string id;
+    std::string verison;
 };
 
 struct ContentPackStats {
diff --git a/src/content/PacksManager.cpp b/src/content/PacksManager.cpp
index 0e9925c8..76cc54d7 100644
--- a/src/content/PacksManager.cpp
+++ b/src/content/PacksManager.cpp
@@ -105,6 +105,14 @@ static bool resolve_dependencies(
             // added
             continue;
         }
+        if (dep.verison == "*" || dep.verison == found->second.version){
+            // dependency pack version mets the required one
+            continue;
+        } else {
+            throw contentpack_error(
+                dep.id, io::path(), "does not meet required version '" + dep.verison +"' of '" + pack->id + "'"
+            );
+        }
 
         if (!util::contains(allNames, dep.id) &&
             dep.level != DependencyLevel::weak) {
diff --git a/src/logic/scripting/lua/libs/libpack.cpp b/src/logic/scripting/lua/libs/libpack.cpp
index adc45096..be38fcb2 100644
--- a/src/logic/scripting/lua/libs/libpack.cpp
+++ b/src/logic/scripting/lua/libs/libpack.cpp
@@ -114,7 +114,8 @@ static int l_pack_get_info(
                 default:
                     throw std::runtime_error("");
             }
-            lua::pushfstring(L, "%s%s", prefix.c_str(), dpack.id.c_str());
+
+            lua::pushfstring(L, "%s%s@%s", prefix.c_str(), dpack.id.c_str(), dpack.verison.c_str());
             lua::rawseti(L, i + 1);
         }
         lua::setfield(L, "dependencies");

From bbbd6c44014f71f6dd0306e9395bcdf3e2ac77b9 Mon Sep 17 00:00:00 2001
From: KotIsOff <71443736+kotisoff@users.noreply.github.com>
Date: Sat, 23 Aug 2025 01:34:50 +0300
Subject: [PATCH 02/13] fixed comment typo

---
 src/content/PacksManager.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/content/PacksManager.cpp b/src/content/PacksManager.cpp
index 76cc54d7..c898d590 100644
--- a/src/content/PacksManager.cpp
+++ b/src/content/PacksManager.cpp
@@ -106,7 +106,7 @@ static bool resolve_dependencies(
             continue;
         }
         if (dep.verison == "*" || dep.verison == found->second.version){
-            // dependency pack version mets the required one
+            // dependency pack version meets the required one
             continue;
         } else {
             throw contentpack_error(

From 3131068ad8aa64202e64d0766ed9efde753ac19a Mon Sep 17 00:00:00 2001
From: KotIsOff <kot252steam@gmail.com>
Date: Sat, 23 Aug 2025 01:42:13 +0300
Subject: [PATCH 03/13] removed print

---
 res/layouts/pages/content.xml.lua | 1 -
 1 file changed, 1 deletion(-)

diff --git a/res/layouts/pages/content.xml.lua b/res/layouts/pages/content.xml.lua
index 50288d17..1c49f72d 100644
--- a/res/layouts/pages/content.xml.lua
+++ b/res/layouts/pages/content.xml.lua
@@ -200,7 +200,6 @@ function check_dependencies(packinfo)
             return string.format("%s (%s@%s != %s)", gui.str("error.dependency-version-not-met"), depid, dep_pack.version, depver);
         end
 
-        debug.print(packinfo);
     end
     return
 end

From 5d91d94433e7b6b0158ca6f10c9425a7ba564ae0 Mon Sep 17 00:00:00 2001
From: KotIsOff <kot252steam@gmail.com>
Date: Sat, 23 Aug 2025 01:46:13 +0300
Subject: [PATCH 04/13] moved depver lua code in dep level condition

---
 res/layouts/pages/content.xml.lua | 13 ++++++-------
 1 file changed, 6 insertions(+), 7 deletions(-)

diff --git a/res/layouts/pages/content.xml.lua b/res/layouts/pages/content.xml.lua
index 1c49f72d..e57cea5f 100644
--- a/res/layouts/pages/content.xml.lua
+++ b/res/layouts/pages/content.xml.lua
@@ -189,17 +189,16 @@ function check_dependencies(packinfo)
                     "%s (%s)", gui.str("error.dependency-not-found"), depid
                 )
             end
+
+            local dep_pack = pack.get_info(depid);
+            if depver ~= "*" or depver ~= dep_pack.version then
+                return string.format("%s (%s@%s != %s)", gui.str("error.dependency-version-not-met"), depid, dep_pack.version, depver);
+            end
+            
             if table.has(packs_installed, packinfo.id) then
                 table.insert(required, depid)
             end
         end
-
-        local dep_pack = pack.get_info(depid);
-
-        if depver ~= "*" or depver ~= dep_pack.version then
-            return string.format("%s (%s@%s != %s)", gui.str("error.dependency-version-not-met"), depid, dep_pack.version, depver);
-        end
-
     end
     return
 end

From 74238d08445e532891f62f503ed1ff580bd22084 Mon Sep 17 00:00:00 2001
From: KotIsOff <kot252steam@gmail.com>
Date: Sat, 23 Aug 2025 02:00:07 +0300
Subject: [PATCH 05/13] fixed condition

double yat
---
 res/layouts/pages/content.xml.lua | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/res/layouts/pages/content.xml.lua b/res/layouts/pages/content.xml.lua
index e57cea5f..8ce1cebc 100644
--- a/res/layouts/pages/content.xml.lua
+++ b/res/layouts/pages/content.xml.lua
@@ -191,10 +191,10 @@ function check_dependencies(packinfo)
             end
 
             local dep_pack = pack.get_info(depid);
-            if depver ~= "*" or depver ~= dep_pack.version then
+            if depver ~= "*" and depver ~= dep_pack.version then
                 return string.format("%s (%s@%s != %s)", gui.str("error.dependency-version-not-met"), depid, dep_pack.version, depver);
             end
-            
+
             if table.has(packs_installed, packinfo.id) then
                 table.insert(required, depid)
             end

From f91b734aeaee5ed490133db26c5f1fd211fec5ef Mon Sep 17 00:00:00 2001
From: KotIsOff <kot252steam@gmail.com>
Date: Sat, 23 Aug 2025 16:43:42 +0300
Subject: [PATCH 06/13] docs for dependency version

---
 doc/en/content-packs.md | 5 +++++
 doc/ru/content-packs.md | 7 ++++++-
 2 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/doc/en/content-packs.md b/doc/en/content-packs.md
index c32d1b03..b7a78938 100644
--- a/doc/en/content-packs.md
+++ b/doc/en/content-packs.md
@@ -30,6 +30,11 @@ If prefix is not specified, '!' level will be used.
 
 Example: '~randutil' - weak dependency 'randutil'.
 
+Dependency version is indicated by postfix after '@' symbol.
+If postfix is not specified, '*' (any) version will be used.
+
+Example: 'randutil@1.0' - dependency 'randutil' which requires version 1.0.
+
 Example:
 ```json
 {
diff --git a/doc/ru/content-packs.md b/doc/ru/content-packs.md
index 77a78636..716e25ef 100644
--- a/doc/ru/content-packs.md
+++ b/doc/ru/content-packs.md
@@ -30,7 +30,12 @@
 - '~' - слабая зависимость
 Отсутствие префикса интерпретируется как '!'.
 
-Пример: '~randutil' - слабая зависимость 'randutil'.
+Пример: '~randutil@1.0' - слабая зависимость 'randutil'.
+
+Версии зависимостей указываются с помощью постфикса через '@'.
+Отсутствие версии зависимости интерпретируется как '*', т.е. любая версия.
+
+Пример: 'randutil@1.0' - зависимость 'randutil' версии 1.0.
 
 Пример:
 ```json

From 45bc4037ecc7fa7d39d0c36ac7d642a83670a47d Mon Sep 17 00:00:00 2001
From: KotIsOff <kot252steam@gmail.com>
Date: Sat, 23 Aug 2025 16:46:31 +0300
Subject: [PATCH 07/13] fix: escaping for '*' symbol

---
 doc/en/content-packs.md | 2 +-
 doc/ru/content-packs.md | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/doc/en/content-packs.md b/doc/en/content-packs.md
index b7a78938..53e095b9 100644
--- a/doc/en/content-packs.md
+++ b/doc/en/content-packs.md
@@ -31,7 +31,7 @@ If prefix is not specified, '!' level will be used.
 Example: '~randutil' - weak dependency 'randutil'.
 
 Dependency version is indicated by postfix after '@' symbol.
-If postfix is not specified, '*' (any) version will be used.
+If postfix is not specified, '\*' (any) version will be used.
 
 Example: 'randutil@1.0' - dependency 'randutil' which requires version 1.0.
 
diff --git a/doc/ru/content-packs.md b/doc/ru/content-packs.md
index 716e25ef..34ccaab7 100644
--- a/doc/ru/content-packs.md
+++ b/doc/ru/content-packs.md
@@ -33,7 +33,7 @@
 Пример: '~randutil@1.0' - слабая зависимость 'randutil'.
 
 Версии зависимостей указываются с помощью постфикса через '@'.
-Отсутствие версии зависимости интерпретируется как '*', т.е. любая версия.
+Отсутствие версии зависимости интерпретируется как '\*', т.е. любая версия.
 
 Пример: 'randutil@1.0' - зависимость 'randutil' версии 1.0.
 

From 5b18639d94d6ef304bddfd73cc8b6211bb4d09c8 Mon Sep 17 00:00:00 2001
From: KotIsOff <kot252steam@gmail.com>
Date: Mon, 25 Aug 2025 21:21:05 +0300
Subject: [PATCH 08/13] slightly corrected docs

---
 doc/en/content-packs.md | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/doc/en/content-packs.md b/doc/en/content-packs.md
index 53e095b9..10c70afb 100644
--- a/doc/en/content-packs.md
+++ b/doc/en/content-packs.md
@@ -30,8 +30,8 @@ If prefix is not specified, '!' level will be used.
 
 Example: '~randutil' - weak dependency 'randutil'.
 
-Dependency version is indicated by postfix after '@' symbol.
-If postfix is not specified, '\*' (any) version will be used.
+Dependency version is indicated after '@' symbol.
+If version is not specified, '\*' (any) version will be used.
 
 Example: 'randutil@1.0' - dependency 'randutil' which requires version 1.0.
 

From 7aa4c33721ab9c0238b8caf49f7305e9d1052ac2 Mon Sep 17 00:00:00 2001
From: KotIsOff <kot252steam@gmail.com>
Date: Tue, 26 Aug 2025 01:52:26 +0300
Subject: [PATCH 09/13] dependency version operators
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

а также сделал и вынес Version в ContentPackVersion ну и подправил луа скрипты.
требуются тесты
---
 res/layouts/pages/content.xml.lua        | 84 +++++++++++++++++++++++-
 src/content/ContentPack.cpp              | 41 ++++++++++--
 src/content/ContentPack.hpp              | 10 ++-
 src/content/ContentPackVersion.cpp       | 66 +++++++++++++++++++
 src/content/ContentPackVersion.hpp       | 51 ++++++++++++++
 src/content/PacksManager.cpp             | 14 +++-
 src/logic/scripting/lua/libs/libpack.cpp |  2 +-
 7 files changed, 255 insertions(+), 13 deletions(-)
 create mode 100644 src/content/ContentPackVersion.cpp
 create mode 100644 src/content/ContentPackVersion.hpp

diff --git a/res/layouts/pages/content.xml.lua b/res/layouts/pages/content.xml.lua
index 8ce1cebc..1fe5c160 100644
--- a/res/layouts/pages/content.xml.lua
+++ b/res/layouts/pages/content.xml.lua
@@ -176,6 +176,81 @@ function place_pack(panel, packinfo, callback, position_func)
     end
 end
 
+local Version = {};
+
+function Version.matches_pattern(version)
+    for _, letter in string.gmatch(version, "%s+") do
+        if type(letter) ~= "number" or letter ~= "." then
+            return false;
+        end
+
+        local t = string.split(version, ".");
+
+        return #t == 2 or #t == 3;
+    end
+end
+
+function Version.__equal(ver1, ver2)
+    return ver1[1] == ver2[1] and ver1[2] == ver2[2] and ver1[3] == ver2[3];
+end
+
+function Version.__more(ver1, ver2)
+    if ver1[1] ~= ver2[1] then return ver1[1] > ver2[1] end;
+    if ver1[2] ~= ver2[2] then return ver1[2] > ver2[2] end;
+    return ver1[3] > ver2[3];
+end
+
+function Version.__less(ver1, ver2)
+    return Version.__more(ver2, ver1);
+end
+
+function Version.__more_or_equal(ver1, ver2)
+    return not Version.__less(ver1, ver2);
+end
+
+function Version.__less_or_equal(ver1, ver2)
+    return not Version.__more(ver1, ver2);
+end
+
+function Version.compare(op, ver1, ver2)
+    ver1 = string.split(ver1, ".");
+    ver2 = string.split(ver2, ".");
+
+    if op == "=" then return Version.__equal(ver1, ver2);
+    elseif op == ">" then return Version.__more(ver1, ver2);
+    elseif op == "<" then return Version.__less(ver1, ver2);
+    elseif op == ">=" then return Version.__more_or_equal(ver1, ver2);
+    elseif op == "<=" then return Version.__less_or_equal(ver1, ver2);
+    else return false; end
+end
+
+function Version.parse(version)    
+    local op = string.sub(version, 1, 2);
+    if op == ">=" or op == "=>" then
+        return ">=", string.sub(version, #op + 1);
+    elseif op == "<=" or op == "=<" then
+        return "<=", string.sub(version, #op + 1);
+    end
+
+    op = string.sub(version, 1, 1);
+    if op == ">" or op == "<" then
+        return op, string.sub(version, #op + 1);
+    end
+
+    return "=", version;
+end
+
+local function compare_version(dependent_version, actual_version)
+    if Version.matches_pattern(dependent_version) and Version.matches_pattern(actual_version) then
+        local op, dep_ver = Version.parse_version(dependent_version);
+        Version.compare(op, dep_ver, actual_version);
+    elseif dependent_version == "*" or dependent_version == actual_version then
+        return true;
+    else
+        return false;
+    end
+end
+
 function check_dependencies(packinfo)
     if packinfo.dependencies == nil then
         return
@@ -190,9 +265,14 @@ function check_dependencies(packinfo)
                 )
             end
 
+            
             local dep_pack = pack.get_info(depid);
-            if depver ~= "*" and depver ~= dep_pack.version then
-                return string.format("%s (%s@%s != %s)", gui.str("error.dependency-version-not-met"), depid, dep_pack.version, depver);
+            
+            if not compare_version(depver, dep_pack.version) then
+                local op, ver = Version.parse(depver);
+
+                print(string.format("%s: %s !%s %s (%s)", gui.str("error.dependency-version-not-met"), dep_pack.version, op, ver, depid));
+                return string.format("%s: %s != %s (%s)", gui.str("error.dependency-version-not-met"), dep_pack.version, ver, depid);
             end
 
             if table.has(packs_installed, packinfo.id) then
diff --git a/src/content/ContentPack.cpp b/src/content/ContentPack.cpp
index 8c3ea541..49d7ee1f 100644
--- a/src/content/ContentPack.cpp
+++ b/src/content/ContentPack.cpp
@@ -133,14 +133,43 @@ ContentPack ContentPack::read(const io::path& folder) {
                     break;
             }
 
-            std::string depVersion = "*";
-            size_t version_pos = depName.rfind("@");
-            if (version_pos != std::string::npos){
-                depVersion = depName.substr(version_pos + 1);
-                depName = depName.substr(0, version_pos);
+            std::string depVer = "*";
+            std::string depVerOperator = "=";
+
+            size_t versionPos = depName.rfind("@");
+            if (versionPos != std::string::npos) {
+                depVer = depName.substr(versionPos + 1);
+                depName = depName.substr(0, versionPos);
+
+                if (depVer.size() >= 2) {
+                    std::string op = depVer.substr(0, 2);
+                    std::uint8_t op_size = 0;
+
+                    // Two symbol operators
+                    if (op == ">=" || op == "=>" || op == "<=" || op == "=<") {
+                        op_size = 2;
+                        depVerOperator = op;
+                    }
+
+                    // One symbol operators
+                    else {
+                        op = depVer.substr(0, 1);
+
+                        if (op == ">" || op == "<") {
+                            op_size = 1;
+                            depVerOperator = op;
+                        }
+                    }
+
+                    depVer = depVer.substr(op_size);
+                } else {
+                    if (depVer == ">" || depVer == "<"){
+                        depVer = "*";
+                    }
+                }
             }
             
-            pack.dependencies.push_back({level, depName, depVersion});
+            pack.dependencies.push_back({level, depName, depVer, depVerOperator});
         }
     }
 
diff --git a/src/content/ContentPack.hpp b/src/content/ContentPack.hpp
index f8bc760c..0069553a 100644
--- a/src/content/ContentPack.hpp
+++ b/src/content/ContentPack.hpp
@@ -20,11 +20,16 @@ public:
         io::path folder,
         const std::string& message
     );
-
+    
     std::string getPackId() const;
     io::path getFolder() const;
 };
 
+enum class DependencyVersionOperator {
+    equal, more, less,
+    more_or_equal, less_or_equal
+};
+
 enum class DependencyLevel {
     required,  // dependency must be installed
     optional,  // dependency will be installed if found
@@ -35,7 +40,8 @@ enum class DependencyLevel {
 struct DependencyPack {
     DependencyLevel level;
     std::string id;
-    std::string verison;
+    std::string version;
+    std::string op;
 };
 
 struct ContentPackStats {
diff --git a/src/content/ContentPackVersion.cpp b/src/content/ContentPackVersion.cpp
new file mode 100644
index 00000000..b8a0564b
--- /dev/null
+++ b/src/content/ContentPackVersion.cpp
@@ -0,0 +1,66 @@
+#include "ContentPackVersion.hpp"
+
+#include <algorithm>
+#include <iostream>
+#include <sstream>
+
+#include "coders/commons.hpp"
+
+Version::Version(const std::string& version) {
+    major = 0;
+    minor = 0;
+    patch = 0;
+
+    std::vector<int> parts;
+
+    std::stringstream ss(version);
+    std::string part;
+    while (std::getline(ss, part, '.')) {
+        if (!part.empty()) {
+            parts.push_back(std::stoi(part));
+        }
+    }
+
+    if (parts.size() > 0) major = parts[0];
+    if (parts.size() > 1) minor = parts[1];
+    if (parts.size() > 2) patch = parts[2];
+}
+
+DependencyVersionOperator Version::string_to_operator(const std::string& op) {
+    if (op == "=")
+        return DependencyVersionOperator::equal;
+    else if (op == ">")
+        return DependencyVersionOperator::more;
+    else if (op == "<")
+        return DependencyVersionOperator::less;
+    else if (op == ">=" || op == "=>")
+        return DependencyVersionOperator::more_or_equal;
+    else if (op == "<=" || op == "=<")
+        return DependencyVersionOperator::less_or_equal;
+    else return DependencyVersionOperator::equal;
+}
+
+bool isNumber(const std::string& s) {
+    return !s.empty() && std::all_of(s.begin(), s.end(), ::is_digit);
+}
+
+bool Version::matches_pattern(const std::string& version) {
+    for (char c : version) {
+        if (!isdigit(c) && c != '.') {
+            return false;
+        }
+    }
+
+    std::stringstream ss(version);
+
+    std::vector<std::string> parts;
+    std::string part;
+    while (std::getline(ss, part, '.')) {
+        if (part.empty()) return false;
+        if (!isNumber(part)) return false;
+
+        parts.push_back(part);
+    }
+
+    return parts.size() == 2 || parts.size() == 3;
+}
\ No newline at end of file
diff --git a/src/content/ContentPackVersion.hpp b/src/content/ContentPackVersion.hpp
new file mode 100644
index 00000000..ef298b9e
--- /dev/null
+++ b/src/content/ContentPackVersion.hpp
@@ -0,0 +1,51 @@
+#include <string>
+
+#include "content/ContentPack.hpp"
+
+class Version {
+    public:
+        int major;
+        int minor;
+        int patch;
+
+        Version(const std::string& version);
+        
+        bool operator==(const Version& other) const {
+            return major == other.major && minor == other.minor && patch == other.patch;
+        }
+
+        bool operator<(const Version& other) const {
+            if (major != other.major) return major < other.major;
+            if (minor != other.minor) return minor < other.minor;
+            return patch < other.patch;
+        }
+
+
+        bool operator>(const Version& other) const {
+            return other < *this;
+        }
+
+        bool operator>=(const Version& other) const {
+            return !(*this < other);
+        }
+
+        bool operator<=(const Version& other) const {
+            return !(*this > other);
+        }
+
+        bool process_operator(const std::string& op, const Version& other) const {
+            auto dep_op = Version::string_to_operator(op);
+
+            switch(dep_op) {
+                case DependencyVersionOperator::equal: return *this == other;
+                case DependencyVersionOperator::more: return *this > other;
+                case DependencyVersionOperator::less: return *this < other;
+                case DependencyVersionOperator::less_or_equal: return *this <= other;
+                case DependencyVersionOperator::more_or_equal: return *this >= other;
+                default: return false;
+            }
+        }
+
+        static DependencyVersionOperator string_to_operator(const std::string& op);
+        static bool matches_pattern(const std::string& version);
+};
\ No newline at end of file
diff --git a/src/content/PacksManager.cpp b/src/content/PacksManager.cpp
index c898d590..1e2ed49f 100644
--- a/src/content/PacksManager.cpp
+++ b/src/content/PacksManager.cpp
@@ -3,6 +3,7 @@
 #include <queue>
 #include <sstream>
 
+#include "ContentPackVersion.hpp"
 #include "util/listutil.hpp"
 
 PacksManager::PacksManager() = default;
@@ -105,12 +106,21 @@ static bool resolve_dependencies(
             // added
             continue;
         }
-        if (dep.verison == "*" || dep.verison == found->second.version){
+
+        auto dep_pack = found -> second;
+
+        if (Version::matches_pattern(dep.version) && Version::matches_pattern(dep_pack.version)
+            && Version(dep_pack.version)
+                .process_operator(dep.op, Version(dep.version))
+        ) {
             // dependency pack version meets the required one
             continue;
+        } else if (dep.version == "*" || dep.version == dep_pack.version){
+            // fallback: dependency pack version also meets required one
+            continue;
         } else {
             throw contentpack_error(
-                dep.id, io::path(), "does not meet required version '" + dep.verison +"' of '" + pack->id + "'"
+                dep.id, io::path(), "does not meet required version '" + dep.op + dep.version +"' of '" + pack->id + "'"
             );
         }
 
diff --git a/src/logic/scripting/lua/libs/libpack.cpp b/src/logic/scripting/lua/libs/libpack.cpp
index be38fcb2..fc5e2252 100644
--- a/src/logic/scripting/lua/libs/libpack.cpp
+++ b/src/logic/scripting/lua/libs/libpack.cpp
@@ -115,7 +115,7 @@ static int l_pack_get_info(
                     throw std::runtime_error("");
             }
 
-            lua::pushfstring(L, "%s%s@%s", prefix.c_str(), dpack.id.c_str(), dpack.verison.c_str());
+            lua::pushfstring(L, "%s%s@%s%s", prefix.c_str(), dpack.id.c_str(), dpack.op.c_str(), dpack.version.c_str());
             lua::rawseti(L, i + 1);
         }
         lua::setfield(L, "dependencies");

From 01b3229aac8a07be7eadf85f8997d00c9a422930 Mon Sep 17 00:00:00 2001
From: KotIsOff <kot252steam@gmail.com>
Date: Tue, 26 Aug 2025 01:59:00 +0300
Subject: [PATCH 10/13] fix: match wrong magic symbol

---
 res/layouts/pages/content.xml.lua | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/res/layouts/pages/content.xml.lua b/res/layouts/pages/content.xml.lua
index 1fe5c160..8ed37630 100644
--- a/res/layouts/pages/content.xml.lua
+++ b/res/layouts/pages/content.xml.lua
@@ -179,7 +179,7 @@ end
 local Version = {};
 
 function Version.matches_pattern(version)
-    for _, letter in string.gmatch(version, "%s+") do
+    for _, letter in string.gmatch(version, "%.+") do
         if type(letter) ~= "number" or letter ~= "." then
             return false;
         end

From a0c66d56d89aeabb2462b7e732b59f92e79f2464 Mon Sep 17 00:00:00 2001
From: KotIsOff <kot252steam@gmail.com>
Date: Tue, 26 Aug 2025 02:10:16 +0300
Subject: [PATCH 11/13] docs for operators

---
 doc/en/content-packs.md | 4 ++--
 doc/ru/content-packs.md | 6 +++---
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/doc/en/content-packs.md b/doc/en/content-packs.md
index 10c70afb..a41f95f9 100644
--- a/doc/en/content-packs.md
+++ b/doc/en/content-packs.md
@@ -30,10 +30,10 @@ If prefix is not specified, '!' level will be used.
 
 Example: '~randutil' - weak dependency 'randutil'.
 
-Dependency version is indicated after '@' symbol.
+Dependency version is indicated after '@' symbol and have operators to restrict acceptable versions.
 If version is not specified, '\*' (any) version will be used.
 
-Example: 'randutil@1.0' - dependency 'randutil' which requires version 1.0.
+Example: 'randutil@>=1.0' - dependency 'randutil' which requires version 1.0 or newer.
 
 Example:
 ```json
diff --git a/doc/ru/content-packs.md b/doc/ru/content-packs.md
index 34ccaab7..4245555f 100644
--- a/doc/ru/content-packs.md
+++ b/doc/ru/content-packs.md
@@ -30,12 +30,12 @@
 - '~' - слабая зависимость
 Отсутствие префикса интерпретируется как '!'.
 
-Пример: '~randutil@1.0' - слабая зависимость 'randutil'.
+Пример: '~randutil' - слабая зависимость 'randutil'.
 
-Версии зависимостей указываются с помощью постфикса через '@'.
+Версии зависимостей указываются после '@' и имеют операторы для ограничения допустимых версий.
 Отсутствие версии зависимости интерпретируется как '\*', т.е. любая версия.
 
-Пример: 'randutil@1.0' - зависимость 'randutil' версии 1.0.
+Пример: 'randutil@>=1.0' - зависимость 'randutil' версии 1.0 и старше.
 
 Пример:
 ```json

From f44747587f95b872758de8c5e64a389a3b68d5a2 Mon Sep 17 00:00:00 2001
From: MihailRis <mexaruc@gmail.com>
Date: Sun, 14 Sep 2025 12:57:19 +0300
Subject: [PATCH 12/13] format ContentPackVersion

---
 src/content/ContentPackVersion.cpp |  5 +-
 src/content/ContentPackVersion.hpp | 92 ++++++++++++++++--------------
 2 files changed, 52 insertions(+), 45 deletions(-)

diff --git a/src/content/ContentPackVersion.cpp b/src/content/ContentPackVersion.cpp
index b8a0564b..d8d46dce 100644
--- a/src/content/ContentPackVersion.cpp
+++ b/src/content/ContentPackVersion.cpp
@@ -37,7 +37,8 @@ DependencyVersionOperator Version::string_to_operator(const std::string& op) {
         return DependencyVersionOperator::more_or_equal;
     else if (op == "<=" || op == "=<")
         return DependencyVersionOperator::less_or_equal;
-    else return DependencyVersionOperator::equal;
+    else
+        return DependencyVersionOperator::equal;
 }
 
 bool isNumber(const std::string& s) {
@@ -63,4 +64,4 @@ bool Version::matches_pattern(const std::string& version) {
     }
 
     return parts.size() == 2 || parts.size() == 3;
-}
\ No newline at end of file
+}
diff --git a/src/content/ContentPackVersion.hpp b/src/content/ContentPackVersion.hpp
index ef298b9e..5d30c1e7 100644
--- a/src/content/ContentPackVersion.hpp
+++ b/src/content/ContentPackVersion.hpp
@@ -3,49 +3,55 @@
 #include "content/ContentPack.hpp"
 
 class Version {
-    public:
-        int major;
-        int minor;
-        int patch;
+public:
+    int major;
+    int minor;
+    int patch;
 
-        Version(const std::string& version);
-        
-        bool operator==(const Version& other) const {
-            return major == other.major && minor == other.minor && patch == other.patch;
+    Version(const std::string& version);
+
+    bool operator==(const Version& other) const {
+        return major == other.major && minor == other.minor &&
+               patch == other.patch;
+    }
+
+    bool operator<(const Version& other) const {
+        if (major != other.major) return major < other.major;
+        if (minor != other.minor) return minor < other.minor;
+        return patch < other.patch;
+    }
+
+    bool operator>(const Version& other) const {
+        return other < *this;
+    }
+
+    bool operator>=(const Version& other) const {
+        return !(*this < other);
+    }
+
+    bool operator<=(const Version& other) const {
+        return !(*this > other);
+    }
+
+    bool process_operator(const std::string& op, const Version& other) const {
+        auto dep_op = Version::string_to_operator(op);
+
+        switch (dep_op) {
+            case DependencyVersionOperator::equal:
+                return *this == other;
+            case DependencyVersionOperator::more:
+                return *this > other;
+            case DependencyVersionOperator::less:
+                return *this < other;
+            case DependencyVersionOperator::less_or_equal:
+                return *this <= other;
+            case DependencyVersionOperator::more_or_equal:
+                return *this >= other;
+            default:
+                return false;
         }
+    }
 
-        bool operator<(const Version& other) const {
-            if (major != other.major) return major < other.major;
-            if (minor != other.minor) return minor < other.minor;
-            return patch < other.patch;
-        }
-
-
-        bool operator>(const Version& other) const {
-            return other < *this;
-        }
-
-        bool operator>=(const Version& other) const {
-            return !(*this < other);
-        }
-
-        bool operator<=(const Version& other) const {
-            return !(*this > other);
-        }
-
-        bool process_operator(const std::string& op, const Version& other) const {
-            auto dep_op = Version::string_to_operator(op);
-
-            switch(dep_op) {
-                case DependencyVersionOperator::equal: return *this == other;
-                case DependencyVersionOperator::more: return *this > other;
-                case DependencyVersionOperator::less: return *this < other;
-                case DependencyVersionOperator::less_or_equal: return *this <= other;
-                case DependencyVersionOperator::more_or_equal: return *this >= other;
-                default: return false;
-            }
-        }
-
-        static DependencyVersionOperator string_to_operator(const std::string& op);
-        static bool matches_pattern(const std::string& version);
-};
\ No newline at end of file
+    static DependencyVersionOperator string_to_operator(const std::string& op);
+    static bool matches_pattern(const std::string& version);
+};

From 53e1528d5c60aefc3a02dd1d2f050a4e55ce6c51 Mon Sep 17 00:00:00 2001
From: MihailRis <mexaruc@gmail.com>
Date: Sun, 14 Sep 2025 12:59:09 +0300
Subject: [PATCH 13/13] fix ContentPack enums formatting

---
 src/content/ContentPack.cpp              |  6 +++---
 src/content/ContentPack.hpp              | 10 +++++-----
 src/content/ContentPackVersion.cpp       | 12 ++++++------
 src/content/ContentPackVersion.hpp       | 10 +++++-----
 src/content/PacksManager.cpp             |  6 +++---
 src/logic/scripting/lua/libs/libpack.cpp |  6 +++---
 6 files changed, 25 insertions(+), 25 deletions(-)

diff --git a/src/content/ContentPack.cpp b/src/content/ContentPack.cpp
index 49d7ee1f..522b818f 100644
--- a/src/content/ContentPack.cpp
+++ b/src/content/ContentPack.cpp
@@ -118,18 +118,18 @@ ContentPack ContentPack::read(const io::path& folder) {
         const auto& dependencies = *found;
         for (const auto& elem : dependencies) {
             std::string depName = elem.asString();
-            auto level = DependencyLevel::required;
+            auto level = DependencyLevel::REQUIRED;
             switch (depName.at(0)) {
                 case '!':
                     depName = depName.substr(1);
                     break;
                 case '?':
                     depName = depName.substr(1);
-                    level = DependencyLevel::optional;
+                    level = DependencyLevel::OPTIONAL;
                     break;
                 case '~':
                     depName = depName.substr(1);
-                    level = DependencyLevel::weak;
+                    level = DependencyLevel::WEAK;
                     break;
             }
 
diff --git a/src/content/ContentPack.hpp b/src/content/ContentPack.hpp
index 0069553a..1aa3a9ea 100644
--- a/src/content/ContentPack.hpp
+++ b/src/content/ContentPack.hpp
@@ -26,14 +26,14 @@ public:
 };
 
 enum class DependencyVersionOperator {
-    equal, more, less,
-    more_or_equal, less_or_equal
+    EQUAL, GREATHER, LESS,
+    GREATHER_OR_EQUAL, LESS_OR_EQUAL
 };
 
 enum class DependencyLevel {
-    required,  // dependency must be installed
-    optional,  // dependency will be installed if found
-    weak,      // only affects packs order
+    REQUIRED,  // dependency must be installed
+    OPTIONAL,  // dependency will be installed if found
+    WEAK,      // only affects packs order
 };
 
 /// @brief Content-pack that should be installed earlier the dependent
diff --git a/src/content/ContentPackVersion.cpp b/src/content/ContentPackVersion.cpp
index d8d46dce..7a3d8801 100644
--- a/src/content/ContentPackVersion.cpp
+++ b/src/content/ContentPackVersion.cpp
@@ -28,17 +28,17 @@ Version::Version(const std::string& version) {
 
 DependencyVersionOperator Version::string_to_operator(const std::string& op) {
     if (op == "=")
-        return DependencyVersionOperator::equal;
+        return DependencyVersionOperator::EQUAL;
     else if (op == ">")
-        return DependencyVersionOperator::more;
+        return DependencyVersionOperator::GREATHER;
     else if (op == "<")
-        return DependencyVersionOperator::less;
+        return DependencyVersionOperator::LESS;
     else if (op == ">=" || op == "=>")
-        return DependencyVersionOperator::more_or_equal;
+        return DependencyVersionOperator::GREATHER_OR_EQUAL;
     else if (op == "<=" || op == "=<")
-        return DependencyVersionOperator::less_or_equal;
+        return DependencyVersionOperator::LESS_OR_EQUAL;
     else
-        return DependencyVersionOperator::equal;
+        return DependencyVersionOperator::EQUAL;
 }
 
 bool isNumber(const std::string& s) {
diff --git a/src/content/ContentPackVersion.hpp b/src/content/ContentPackVersion.hpp
index 5d30c1e7..e922ddd3 100644
--- a/src/content/ContentPackVersion.hpp
+++ b/src/content/ContentPackVersion.hpp
@@ -37,15 +37,15 @@ public:
         auto dep_op = Version::string_to_operator(op);
 
         switch (dep_op) {
-            case DependencyVersionOperator::equal:
+            case DependencyVersionOperator::EQUAL:
                 return *this == other;
-            case DependencyVersionOperator::more:
+            case DependencyVersionOperator::GREATHER:
                 return *this > other;
-            case DependencyVersionOperator::less:
+            case DependencyVersionOperator::LESS:
                 return *this < other;
-            case DependencyVersionOperator::less_or_equal:
+            case DependencyVersionOperator::LESS_OR_EQUAL:
                 return *this <= other;
-            case DependencyVersionOperator::more_or_equal:
+            case DependencyVersionOperator::GREATHER_OR_EQUAL:
                 return *this >= other;
             default:
                 return false;
diff --git a/src/content/PacksManager.cpp b/src/content/PacksManager.cpp
index 1e2ed49f..2d9759cb 100644
--- a/src/content/PacksManager.cpp
+++ b/src/content/PacksManager.cpp
@@ -91,7 +91,7 @@ static bool resolve_dependencies(
         }
         auto found = packs.find(dep.id);
         bool exists = found != packs.end();
-        if (!exists && dep.level == DependencyLevel::required) {
+        if (!exists && dep.level == DependencyLevel::REQUIRED) {
             throw contentpack_error(
                 dep.id, io::path(), "dependency of '" + pack->id + "'"
             );
@@ -100,7 +100,7 @@ static bool resolve_dependencies(
             // ignored for optional or weak dependencies
             continue;
         }
-        if (resolveWeaks && dep.level == DependencyLevel::weak) {
+        if (resolveWeaks && dep.level == DependencyLevel::WEAK) {
             // dependency pack is found but not added yet
             // resolveWeaks is used on second iteration, so it's will not be
             // added
@@ -125,7 +125,7 @@ static bool resolve_dependencies(
         }
 
         if (!util::contains(allNames, dep.id) &&
-            dep.level != DependencyLevel::weak) {
+            dep.level != DependencyLevel::WEAK) {
             allNames.push_back(dep.id);
             queue.push(&found->second);
         }
diff --git a/src/logic/scripting/lua/libs/libpack.cpp b/src/logic/scripting/lua/libs/libpack.cpp
index fc5e2252..29ceef99 100644
--- a/src/logic/scripting/lua/libs/libpack.cpp
+++ b/src/logic/scripting/lua/libs/libpack.cpp
@@ -102,13 +102,13 @@ static int l_pack_get_info(
             auto& dpack = pack.dependencies[i];
             std::string prefix;
             switch (dpack.level) {
-                case DependencyLevel::required:
+                case DependencyLevel::REQUIRED:
                     prefix = "!";
                     break;
-                case DependencyLevel::optional:
+                case DependencyLevel::OPTIONAL:
                     prefix = "?";
                     break;
-                case DependencyLevel::weak:
+                case DependencyLevel::WEAK:
                     prefix = "~";
                     break;
                 default: