afegeix generació de version.h amb git hash

CMakeLists.txt

@@ -13,6 +13,30 @@ set(CMAKE_CXX_STANDARD 20)
 set(CMAKE_CXX_STANDARD_REQUIRED True)
 set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
 
+# --- GENERACIÓN DE VERSIÓN AUTOMÁTICA ---
+# Si GIT_HASH se ha pasado desde fuera (p.ej. desde el Makefile via -DGIT_HASH=xxx),
+# lo usamos tal cual. Esto evita problemas con Docker/emscripten, donde git aborta por
+# "dubious ownership" en el volumen montado. En builds locales sin -DGIT_HASH, se
+# resuelve aquí ejecutando git directamente.
+if(NOT DEFINED GIT_HASH OR GIT_HASH STREQUAL "")
+    find_package(Git QUIET)
+    if(GIT_FOUND)
+        execute_process(
+            COMMAND ${GIT_EXECUTABLE} rev-parse --short=7 HEAD
+            WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
+            OUTPUT_VARIABLE GIT_HASH
+            OUTPUT_STRIP_TRAILING_WHITESPACE
+            ERROR_QUIET
+        )
+    endif()
+    if(NOT DEFINED GIT_HASH OR GIT_HASH STREQUAL "")
+        set(GIT_HASH "unknown")
+    endif()
+endif()
+
+# Configurar archivo de versión
+configure_file(${CMAKE_SOURCE_DIR}/source/version.h.in ${CMAKE_BINARY_DIR}/version.h @ONLY)
+
 # Define el directorio de los archivos fuente
 set(DIR_SOURCES "${CMAKE_SOURCE_DIR}/source")
 
@@ -166,7 +190,8 @@ if(NOT APPLE AND NOT EMSCRIPTEN AND GLSLC_EXE)
 endif()
 
 # Includes relatius a source/ (p.e. `#include "core/rendering/texture.h"`)
-target_include_directories(${PROJECT_NAME} PRIVATE ${DIR_SOURCES})
+# ${CMAKE_BINARY_DIR} per al version.h generat per configure_file.
+target_include_directories(${PROJECT_NAME} PRIVATE ${DIR_SOURCES} ${CMAKE_BINARY_DIR})
 
 # Flags de compilació per-target
 target_compile_options(${PROJECT_NAME} PRIVATE -Wall -Wextra -Wpedantic)

source/version.h.in

@@ -0,0 +1,6 @@
+#pragma once
+
+namespace Version {
+constexpr const char* GIT_HASH = "@GIT_HASH@";
+constexpr const char* APP_NAME = "Coffee Crisis";
+}  // namespace Version

tools/pack_resources/pack_resources.cpp

@@ -3,13 +3,12 @@
 #include <string>
 
 #include "core/resources/resource_pack.h"
+#include "../../build/version.h"  // Version::APP_NAME
 
 namespace {
 
-    constexpr const char* APP_NAME = "Coffee Crisis";
-
     void showHelp() {
-        std::cout << APP_NAME << " - Resource Packer\n";
+        std::cout << Version::APP_NAME << " - Resource Packer\n";
         std::cout << "===============================\n";
         std::cout << "Usage: pack_resources [options] [input_dir] [output_file]\n\n";
         std::cout << "Options:\n";
@@ -66,7 +65,7 @@ int main(int argc, char* argv[]) {
         return 0;
     }
 
-    std::cout << APP_NAME << " - Resource Packer\n";
+    std::cout << Version::APP_NAME << " - Resource Packer\n";
     std::cout << "===============================\n";
     std::cout << "Input directory: " << data_dir << '\n';
     std::cout << "Output file: " << output_file << '\n';