Introduce timedemo based tests

Source/diablo.cpp

@@ -1462,6 +1462,7 @@ bool CanPlayerTakeAction()
 {
 	return !IsPlayerDead() && IsGameRunning();
 }
+} // namespace
 
 void InitKeymapActions()
 {
@@ -1709,7 +1710,6 @@ void InitKeymapActions()
 	    });
 #endif
 }
-} // namespace
 
 void FreeGameMem()
 {

Source/diablo.h

@@ -60,11 +60,11 @@ enum class MouseActionType : int {
 
 extern uint32_t glSeedTbl[NUMLEVELS];
 extern Point MousePosition;
-extern bool gbRunGame;
+extern DVL_API_FOR_TEST bool gbRunGame;
 extern bool gbRunGameResult;
 extern bool ReturnToMainMenu;
 extern bool gbProcessPlayers;
-extern bool gbLoadGame;
+extern DVL_API_FOR_TEST bool gbLoadGame;
 extern bool cineflag;
 extern int force_redraw;
 /* These are defined in fonts.h */
@@ -82,6 +82,7 @@ extern char gszProductName[64];
 
 extern MouseActionType LastMouseButtonAction;
 
+void InitKeymapActions();
 void FreeGameMem();
 bool StartGame(bool bNewGame, bool bSinglePlayer);
 [[noreturn]] void diablo_quit(int exitStatus);

Source/engine/sound.h

@@ -10,6 +10,7 @@
 #include <string>
 
 #include "levels/gendung.h"
+#include "utils/attributes.h"
 
 #ifndef NOSOUND
 #include "utils/soundsample.h"
@@ -68,7 +69,7 @@ void music_unmute();
 
 /* data */
 
-extern bool gbMusicOn;
-extern bool gbSoundOn;
+extern DVL_API_FOR_TEST bool gbMusicOn;
+extern DVL_API_FOR_TEST bool gbSoundOn;
 
 } // namespace devilution

Source/init.h

@@ -14,8 +14,8 @@ namespace devilution {
 extern bool gbActive;
 extern std::optional<MpqArchive> hellfire_mpq;
 extern EventHandler CurrentEventHandler;
-extern std::optional<MpqArchive> spawn_mpq;
-extern std::optional<MpqArchive> diabdat_mpq;
+extern DVL_API_FOR_TEST std::optional<MpqArchive> spawn_mpq;
+extern DVL_API_FOR_TEST std::optional<MpqArchive> diabdat_mpq;
 extern DVL_API_FOR_TEST bool gbIsSpawn;
 extern DVL_API_FOR_TEST bool gbIsHellfire;
 extern DVL_API_FOR_TEST bool gbVanilla;

Source/utils/display.cpp

@@ -152,14 +152,6 @@ void CalculateUIRectangle()
 	};
 }
 
-void AdjustToScreenGeometry(Size windowSize)
-{
-	gnScreenWidth = windowSize.width;
-	gnScreenHeight = windowSize.height;
-	CalculateUIRectangle();
-	CalculatePanelAreas();
-}
-
 Size GetPreferredWindowSize()
 {
 	Size windowSize = *sgOptions.Graphics.resolution;
@@ -175,6 +167,14 @@ Size GetPreferredWindowSize()
 
 } // namespace
 
+void AdjustToScreenGeometry(Size windowSize)
+{
+	gnScreenWidth = windowSize.width;
+	gnScreenHeight = windowSize.height;
+	CalculateUIRectangle();
+	CalculatePanelAreas();
+}
+
 float GetDpiScalingFactor()
 {
 #ifdef USE_SDL1

Source/utils/ui_fwd.h

@@ -18,6 +18,7 @@ Uint16 GetViewportHeight();
 /** @brief Returns the UI (Menus, Messages, Help) can use. Currently this is 640x480 like vanilla. */
 const Rectangle &GetUIRectangle();
 
+void AdjustToScreenGeometry(Size windowSize);
 float GetDpiScalingFactor();
 /**
  * @brief Set the screen to fullscreen or windowe if fullsc

test/CMakeLists.txt

@@ -35,6 +35,7 @@ set(tests
   player_test
   quests_test
   random_test
+  timedemo_test
   scrollrt_test
   stores_test
   utf8_test

test/Fixtures.cmake

@@ -64,6 +64,9 @@ set(devilutionx_fixtures
   Levels/L4Data/Vile1.DUN
   Levels/L4Data/Warlord.DUN
   Levels/L4Data/Warlord2.DUN
+  timedemo/WarriorLevel1to2/demo_0.dmo
+  timedemo/WarriorLevel1to2/demo_0_reference_spawn_0.sv
+  timedemo/WarriorLevel1to2/spawn_0.sv
 )
 
 foreach(fixture ${devilutionx_fixtures})

test/timedemo_test.cpp

@@ -0,0 +1,66 @@
+#include <filesystem>
+#include <gtest/gtest.h>
+#include <iostream>
+
+#include "diablo.h"
+#include "engine/demomode.h"
+#include "options.h"
+#include "pfile.h"
+#include "utils/display.h"
+#include "utils/paths.h"
+
+using namespace devilution;
+
+namespace {
+
+bool Dummy_GetHeroInfo(_uiheroinfo *pInfo)
+{
+	return true;
+}
+
+void RunTimedemo(std::string timedemoFolderName)
+{
+	std::string unitTestFolderCompletePath = paths::BasePath() + "/test/fixtures/timedemo/" + timedemoFolderName;
+	paths::SetPrefPath(unitTestFolderCompletePath);
+	paths::SetConfigPath(unitTestFolderCompletePath);
+	LoadCoreArchives();
+	LoadGameArchives();
+
+	// The tests need spawn.mpq or diabdat.mpq
+	// Please provide them so that the tests can run successfully
+	ASSERT_TRUE(spawn_mpq || diabdat_mpq);
+
+	InitKeymapActions();
+	LoadOptions();
+
+	const int demoNumber = 0;
+
+	// Currently only spawn.mpq is present when building on github actions
+	gbIsSpawn = true;
+	gbIsHellfire = false;
+	gbMusicOn = false;
+	gbSoundOn = false;
+	gbQuietMode = true;
+	demo::InitPlayBack(demoNumber, true);
+
+	pfile_ui_set_hero_infos(Dummy_GetHeroInfo);
+	gbLoadGame = true;
+
+	demo::OverrideOptions();
+
+	AdjustToScreenGeometry(*sgOptions.Graphics.resolution);
+
+	StartGame(false, true);
+
+	ASSERT_EQ(pfile_compare_hero_demo(demoNumber), HeroCompareResult::Same);
+	ASSERT_FALSE(gbRunGame);
+	gbRunGame = false;
+	init_cleanup();
+}
+
+} // namespace
+
+TEST(Timedemo, WarriorLevel1to2)
+{
+	RunTimedemo("WarriorLevel1to2");
+}