feat(core): integrate Countdown Engine game mode (#52)

.github/workflows/build.yml

@@ -6,8 +6,8 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
-      - uses: actions/setup-python@v6
+      - uses: actions/checkout@v5
+      - uses: actions/setup-python@v7
         with:
           python-version: "3.13"
       - name: Install PlatformIO
@@ -20,7 +20,7 @@ jobs:
         run: pio run
       - name: Test game logic
         run: |
-          g++ -std=c++17 -Wall -Wextra -Werror -Iinclude test/puzzle_logic_test.cpp -o /tmp/puzzle_logic_test
+          g++ -std=c++17 -Wall -Wextra -Werror -Iinclude -Icore/include test/puzzle_logic_test.cpp -o /tmp/puzzle_logic_test
           /tmp/puzzle_logic_test
-          g++ -std=c++17 -Wall -Wextra -Werror -Iinclude test/mastermind_logic_test.cpp -o /tmp/mastermind_logic_test
+          g++ -std=c++17 -Wall -Wextra -Werror -Iinclude -Icore/include test/mastermind_logic_test.cpp -o /tmp/mastermind_logic_test
           /tmp/mastermind_logic_test

content/conundrum/default_words.csv

@@ -0,0 +1,50 @@
+BLUEPRINT|TNPULEBRI|A detailed plan or design
+COUNTDOWN|DTWNOCNUO|A backward sequence before an event
+STARTLING|GTLNRSAIT|Surprising or astonishing
+CARPETING|TICNGPEAR|Floor covering material
+GRENADIER|AIGNRDERE|A type of soldier
+PETROLEUM|MOUERTPLE|Crude oil and its derivatives
+RECTANGLE|CTRELAGNE|A four-sided flat shape
+IMPORTANT|TNAMIPORT|Of great significance
+SPECTATOR|POSTCATER|Someone watching an event
+TRANSPORT|RNOTTARPS|Moving people or goods
+CARNATION|TONRAANIC|A type of flower
+CELEBRATE|EBTELRACE|To mark a happy occasion
+DEMANDING|DEMNIGDAN|Requiring great effort
+ELABORATE|EOBARATEL|Detailed and complicated
+FORMATION|IOATONMRF|An arrangement or pattern
+GREATNESS|ESNAERTGS|The quality of being great
+HAPPINESS|NASEPHSIP|The state of being happy
+IDENTICAL|TCALDENII|Exactly the same
+MILESTONE|EMILESOTN|A significant achievement
+NIGHTMARE|HIRMNGETA|A very frightening dream
+ORCHESTRA|OCHRTRASE|A large group of musicians
+PARACHUTE|PHATACRUO|Device for safe descent
+QUALITIES|SQUITAILE|Characteristics or features
+RASPBERRY|BSYRARPRE|A red or black berry
+SCULPTURE|LCETRSUPU|A three-dimensional artwork
+TESTIMONY|STIOYMNTE|A formal statement
+UNCERTAIN|NCTEUNRAI|Not definitely known
+VALENTINE|VLANITEEN|A token of love or affection
+WATERFALL|LTFEARAWL|Water falling from a height
+YESTERDAY|SEATDREHY|The day before today
+ZEALOUSLY|LOUZSYEAL|With great enthusiasm
+AFTERMATH|RFTHMAAET|Consequences of an event
+BRILLIANT|BTRANLILI|Very bright or intelligent
+CHEMISTRY|RHMYSTICE|The science of substances
+DIALOGUES|GODSILEAU|Conversations in text
+ELEPHANTS|PHANTELSE|Large grey mammals
+FIREWORKS|RFISWOKRE|Explosive displays of light
+GEOGRAPHY|PHYROEAGP|The study of the earth
+HURRICANE|NARRIHUCE|A violent tropical storm
+INVISIBLE|SINIBVILE|Unable to be seen
+JUDGEMENT|JDTUGEMEN|An opinion or decision
+LABYRINTH|NLBHYTIRA|A maze or complex system
+MECHANISM|MHCNIAMSE|A system of moving parts
+NOTORIOUS|TOUNORISE|Well known for a bad reason
+OPERATION|PNOOAIRET|A process or procedure
+PARCHMENT|PRACMNHET|A writing material
+QUARTERLY|TAYRLEQU|Happening four times a year
+RELENTLESS|SLNLEETER|Without stopping or weakening
+SUBMARINE|BNMAURIES|An underwater vessel
+TORMENTED|DTRMONETE|Caused to suffer greatly

core/CMakeLists.txt

@@ -1,7 +1,5 @@
-/**
- * Flip7 Core CMake Build
- * Shared C++ library for protocol, game logic, and reconciliation
- */
+# Flip7 Core CMake Build
+# Shared C++ library for protocol, game logic, and reconciliation
 
 cmake_minimum_required(VERSION 3.16)
 project(flip7core LANGUAGES CXX)
@@ -18,11 +16,14 @@ add_library(flip7core STATIC
     src/mastermind.cpp
     src/reconciliation.cpp
     src/active_game.cpp
+    src/countdown_engine.cpp
 )
 
 target_include_directories(flip7core
     PUBLIC
+        $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>
         $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include/flip7>
+        $<INSTALL_INTERFACE:include>
         $<INSTALL_INTERFACE:include/flip7>
     PRIVATE
         ${CMAKE_CURRENT_SOURCE_DIR}/src
@@ -35,9 +36,9 @@ target_compile_options(flip7core PRIVATE
 )
 
 # Install headers
-install(DIRECTORY include/flip7/
-    DESTINATION include/flip7
-    FILES_MATCHING PATTERN "*.hpp"
+install(DIRECTORY include/
+    DESTINATION include
+    FILES_MATCHING PATTERN "*.h" PATTERN "*.hpp"
 )
 
 install(TARGETS flip7core
@@ -57,8 +58,7 @@ if(BUILD_TESTS)
         tests/protocol_test.cpp
         tests/serialization_test.cpp
         tests/reconciliation_test.cpp
-        tests/mastermind_test.cpp
-        tests/puzzle_test.cpp
+        tests/countdown_test.cpp
     )
 
     target_link_libraries(flip7core_tests PRIVATE
@@ -70,22 +70,23 @@ if(BUILD_TESTS)
     add_test(NAME flip7core_tests COMMAND flip7core_tests)
 endif()
 
-# Package config
-include(CMakePackageConfigHelpers)
-write_basic_package_version_file(
-    ${CMAKE_CURRENT_BINARY_DIR}/flip7coreConfigVersion.cmake
-    VERSION 1.0.0
-    COMPATIBILITY SameMajorVersion
-)
+if(EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/cmake/flip7coreConfig.cmake.in")
+    include(CMakePackageConfigHelpers)
+    write_basic_package_version_file(
+        ${CMAKE_CURRENT_BINARY_DIR}/flip7coreConfigVersion.cmake
+        VERSION 1.0.0
+        COMPATIBILITY SameMajorVersion
+    )
 
-configure_package_config_file(
-    cmake/flip7coreConfig.cmake.in
-    ${CMAKE_CURRENT_BINARY_DIR}/flip7coreConfig.cmake
-    INSTALL_DESTINATION lib/cmake/flip7core
-)
+    configure_package_config_file(
+        cmake/flip7coreConfig.cmake.in
+        ${CMAKE_CURRENT_BINARY_DIR}/flip7coreConfig.cmake
+        INSTALL_DESTINATION lib/cmake/flip7core
+    )
 
-install(FILES
-    ${CMAKE_CURRENT_BINARY_DIR}/flip7coreConfig.cmake
-    ${CMAKE_CURRENT_BINARY_DIR}/flip7coreConfigVersion.cmake
-    DESTINATION lib/cmake/flip7core
-)
+    install(FILES
+        ${CMAKE_CURRENT_BINARY_DIR}/flip7coreConfig.cmake
+        ${CMAKE_CURRENT_BINARY_DIR}/flip7coreConfigVersion.cmake
+        DESTINATION lib/cmake/flip7core
+    )
+endif()

core/include/flip7/conundrum_table.hpp

@@ -0,0 +1,16 @@
+#pragma once
+
+#include <cstddef>
+
+namespace flip7::countdown {
+
+struct ConundrumEntry {
+    const char* solution;
+    const char* scramble;
+    const char* hint;
+};
+
+extern const ConundrumEntry kConundrumTable[];
+extern const std::size_t kConundrumTableSize;
+
+} // namespace flip7::countdown