Gilgamesh quiz easter egg #712

src/cdogs/cwolfmap/cwolfmap.c

@@ -167,38 +167,7 @@ int CWLoad(CWolfMap *map, const char *path, const int spearMission)
 				CWLevelN3DLoadDescription(languageBuf, i);
 		}
 
-		for (int q = 1;; q++)
-		{
-			char *question = CWLevelN3DLoadQuizQuestion(languageBuf, q);
-			if (question == NULL)
-			{
-				break;
-			}
-			map->nQuizzes++;
-			map->quizzes =
-				realloc(map->quizzes, map->nQuizzes * sizeof(CWN3DQuiz));
-			CWN3DQuiz *quiz = &map->quizzes[map->nQuizzes - 1];
-			memset(quiz, 0, sizeof *quiz);
-			quiz->question = question;
-			for (char a = 'A';; a++)
-			{
-				bool correct = false;
-				char *answer =
-					CWLevelN3DLoadQuizAnswer(languageBuf, q, a, &correct);
-				if (answer == NULL)
-				{
-					break;
-				}
-				quiz->nAnswers++;
-				quiz->answers =
-					realloc(quiz->answers, quiz->nAnswers * sizeof(char *));
-				quiz->answers[quiz->nAnswers - 1] = answer;
-				if (correct)
-				{
-					quiz->correctIdx = quiz->nAnswers - 1;
-				}
-			}
-		}
+		CWN3DLoadQuizzes(map, languageBuf);
 		free(languageBuf);
 	}
 
@@ -419,6 +388,7 @@ void CWFree(CWolfMap *map)
 	{
 		CWN3DQuizFree(&map->quizzes[i]);
 	}
+	free(map->quizzes);
 	memset(map, 0, sizeof *map);
 }
 static void LevelFree(CWLevel *level);
@@ -541,6 +511,50 @@ const char *CWGetDescription(CWolfMap *map, const int spearMission)
 	return NULL;
 }
 
+void CWN3DLoadQuizzes(CWolfMap *map, const char *languageBuf)
+{
+	// May be reloading quizzes
+	for (int i = 0; i < map->nQuizzes; i++)
+	{
+		CWN3DQuizFree(&map->quizzes[i]);
+	}
+	free(map->quizzes);
+	map->quizzes = NULL;
+	map->nQuizzes = 0;
+	for (int q = 1;; q++)
+	{
+		char *question = CWLevelN3DLoadQuizQuestion(languageBuf, q);
+		if (question == NULL)
+		{
+			break;
+		}
+		map->nQuizzes++;
+		map->quizzes =
+			realloc(map->quizzes, map->nQuizzes * sizeof(CWN3DQuiz));
+		CWN3DQuiz *quiz = &map->quizzes[map->nQuizzes - 1];
+		memset(quiz, 0, sizeof *quiz);
+		quiz->question = question;
+		for (char a = 'A';; a++)
+		{
+			bool correct = false;
+			char *answer =
+				CWLevelN3DLoadQuizAnswer(languageBuf, q, a, &correct);
+			if (answer == NULL)
+			{
+				break;
+			}
+			quiz->nAnswers++;
+			quiz->answers =
+				realloc(quiz->answers, quiz->nAnswers * sizeof(char *));
+			quiz->answers[quiz->nAnswers - 1] = answer;
+			if (correct)
+			{
+				quiz->correctIdx = quiz->nAnswers - 1;
+			}
+		}
+	}
+}
+
 int CWGetAudioSampleRate(const CWolfMap *map)
 {
 	switch (map->type)

src/cdogs/cwolfmap/cwolfmap.h

@@ -62,6 +62,8 @@ void CWFree(CWolfMap *map);
 
 const char *CWGetDescription(CWolfMap *map, const int spearMission);
 
+void CWN3DLoadQuizzes(CWolfMap *map, const char *languageBuf);
+
 int CWGetAudioSampleRate(const CWolfMap *map);
 
 typedef enum

src/cdogs/cwolfmap/n3d.h

@@ -16,4 +16,4 @@ char *CWLevelN3DLoadQuizQuestion(const char *buf, const int quiz);
 char *CWLevelN3DLoadQuizAnswer(
 	const char *buf, const int quiz, const char answer, bool *correct);
 
-void CWN3DQuizFree(CWN3DQuiz *quiz);
+void CWN3DQuizFree(CWN3DQuiz *quiz);

src/cdogs/map_archive.c

@@ -38,8 +38,6 @@
 #include "pickup.h"
 #include "player_template.h"
 
-static char *ReadFileIntoBuf(const char *path, const char *mode, long *len);
-
 static json_t *ReadArchiveJSON(const char *archive, const char *filename);
 int MapNewScanArchive(const char *filename, char **title, int *numMissions)
 {
@@ -198,8 +196,7 @@ static json_t *ReadArchiveJSON(const char *archive, const char *filename)
 	json_t *root = NULL;
 	char path[CDOGS_PATH_MAX];
 	sprintf(path, "%s/%s", archive, filename);
-	long len;
-	char *buf = ReadFileIntoBuf(path, "rb", &len);
+	char *buf = ReadFileIntoBuf(path, "rb");
 	if (buf == NULL)
 		goto bail;
 	const enum json_error e = json_parse_document(&root, buf);
@@ -233,50 +230,6 @@ static void LoadArchivePics(PicManager *pm, map_t cc, const char *archive)
 	CharSpriteClassesLoadDir(cc, archive);
 }
 
-static char *ReadFileIntoBuf(const char *path, const char *mode, long *len)
-{
-	char *buf = NULL;
-	FILE *f = fopen(path, mode);
-	if (f == NULL)
-	{
-		goto bail;
-	}
-
-	// Read into buffer
-	if (fseek(f, 0L, SEEK_END) != 0)
-	{
-		goto bail;
-	}
-	*len = ftell(f);
-	if (*len == -1)
-	{
-		goto bail;
-	}
-	CCALLOC(buf, *len + 1);
-	if (fseek(f, 0L, SEEK_SET) != 0)
-	{
-		goto bail;
-	}
-	if (fread(buf, 1, *len, f) == 0)
-	{
-		goto bail;
-	}
-
-	goto end;
-
-bail:
-	CFREE(buf);
-	buf = NULL;
-
-end:
-	if (f != NULL && fclose(f) != 0)
-	{
-		LOG(LM_MAP, LL_ERROR, "Cannot close file %s: %s", path,
-			strerror(errno));
-	}
-	return buf;
-}
-
 static json_t *SaveMissions(CArray *a);
 int MapArchiveSave(const char *filename, CampaignSetting *c)
 {

src/cdogs/map_wolf.c

@@ -3541,3 +3541,91 @@ static bool TryLoadCampaign(CampaignList *list, const char *path)
 	}
 	return false;
 }
+
+void MapWolfN3DCheckAndLoadCustomQuiz(
+	const Campaign *c, const CArray *playerDatas)
+{
+	// Special case for N3D: Epic of Gilgamesh quiz easter egg
+	// This code is pretty cursed
+	if (strcmp(c->Setting.Title, "Super 2D Noah's Ark") != 0)
+	{
+		return;
+	}
+	bool hasGilgameshName = false;
+	CA_FOREACH(const PlayerData, p, *playerDatas)
+	if (Stricmp(p->name, "Gilgamesh") == 0 ||
+		Stricmp(p->name, "Enkidu") == 0 ||
+		Stricmp(p->name, "Utnapishtim") == 0 ||
+		Stricmp(p->name, "Ziusudra") == 0 ||
+		Stricmp(p->name, "Atra-Hasis") == 0 ||
+		Stricmp(p->name, "Atrahasis") == 0)
+	{
+		hasGilgameshName = true;
+		break;
+	}
+	CA_FOREACH_END()
+	if (!hasGilgameshName)
+	{
+		return;
+	}
+
+	// Load new quizzes
+	char pathBuf[CDOGS_PATH_MAX];
+	GetDataFilePath(pathBuf, WOLF_DATA_DIR "N3Ddata.cdogscpn/language.enu");
+	char *languageBuf = ReadFileIntoBuf(pathBuf, "r");
+	CWolfMap map;
+	memset(&map, 0, sizeof map);
+	CWN3DLoadQuizzes(&map, languageBuf);
+	free(languageBuf);
+
+	// Copy the effects from the "scroll" pickup
+	const PickupClass *scroll = StrPickupClass("scroll");
+	const PickupEffect *menuEffect = CArrayGet(&scroll->Effects, 0);
+	const CArray *correctEffects =
+		&((const PickupMenuItem *)CArrayGet(&menuEffect->u.Menu.Items, 0))
+			 ->Effects;
+	const CArray *wrongEffects =
+		&((const PickupMenuItem *)CArrayGet(&menuEffect->u.Menu.Items, 1))
+			 ->Effects;
+
+	// Replace the scroll pickups with the quizzes
+	for (int i = 0;; i++)
+	{
+		char buf[256];
+		sprintf(buf, "scroll+%d", i);
+		PickupClass *c = StrPickupClass(buf);
+		if (c == NULL)
+		{
+			break;
+		}
+		CA_FOREACH(PickupEffect, e, c->Effects)
+		PickupEffectTerminate(e);
+		CA_FOREACH_END()
+		CArrayClear(&c->Effects);
+
+		PickupEffect e;
+		memset(&e, 0, sizeof e);
+		e.Type = PICKUP_MENU;
+		const CWN3DQuiz *quiz = &map.quizzes[i];
+		CSTRDUP(e.u.Menu.Text, quiz->question);
+
+		CArrayInit(&e.u.Menu.Items, sizeof(PickupMenuItem));
+		for (int j = 0; j < quiz->nAnswers; j++)
+		{
+			PickupMenuItem m;
+			PickupMenuItemInit(&m);
+			CSTRDUP(m.Text, quiz->answers[j]);
+			const CArray *effects =
+				j == quiz->correctIdx ? correctEffects : wrongEffects;
+			CA_FOREACH(const PickupEffect, pe, *effects)
+			PickupEffect ec = PickupEffectCopy(pe);
+			CArrayPushBack(&m.Effects, &ec);
+			CA_FOREACH_END()
+			CArrayPushBack(&e.u.Menu.Items, &m);
+		}
+
+		CArrayPushBack(&c->Effects, &e);
+	}
+
+	CWFree(&map);
+}

src/cdogs/map_wolf.h

@@ -1,7 +1,7 @@
 /*
 	C-Dogs SDL
 	A port of the legendary (and fun) action/arcade cdogs.
-	Copyright (c) 2020-2021 Cong Xu
+	Copyright (c) 2020-2021, 2024 Cong Xu
 	All rights reserved.
 
 	Redistribution and use in source and binary forms, with or without
@@ -40,3 +40,6 @@ int MapWolfLoad(
 	const char *filename, const int spearMission, CampaignSetting *c);
 
 void MapWolfLoadCampaignsFromSystem(CampaignList *list);
+
+void MapWolfN3DCheckAndLoadCustomQuiz(
+	const Campaign *c, const CArray *playerDatas);

src/cdogs/pickup_class.c

@@ -200,15 +200,14 @@ PickupEffect PickupEffectCopy(const PickupEffect *e)
 	}
 	return out;
 }
-static void PickupEffectTerminate(PickupEffect *e);
 static void PickupMenuItemTerminate(PickupMenuItem *m)
 {
 	CFREE(m->Text);
 	CA_FOREACH(PickupEffect, e, m->Effects)
 	PickupEffectTerminate(e);
 	CA_FOREACH_END()
 }
-static void PickupEffectTerminate(PickupEffect *e)
+void PickupEffectTerminate(PickupEffect *e)
 {
 	switch (e->Type)
 	{

src/cdogs/pickup_class.h

@@ -111,6 +111,8 @@ void PickupMenuItemInit(PickupMenuItem *m);
 PickupEffect PickupEffectCopy(const PickupEffect *e);
 void PickupClassInit(PickupClass *c);
 
+void PickupEffectTerminate(PickupEffect *e);
+
 void PickupClassesInit(
 	PickupClasses *classes, const char *filename, const AmmoClasses *ammo,
 	const WeaponClasses *guns);

src/cdogs/utils.c

@@ -22,7 +22,7 @@
 	This file incorporates work covered by the following copyright and
 	permission notice:
 
-	Copyright (c) 2013-2017, 2019-2022 Cong Xu
+	Copyright (c) 2013-2017, 2019-2022, 2024 Cong Xu
 	All rights reserved.
 
 	Redistribution and use in source and binary forms, with or without
@@ -62,6 +62,7 @@
 
 #include "events.h"
 #include "joystick.h"
+#include "log.h"
 #include "sys_config.h"
 
 bool gTrue = true;
@@ -637,3 +638,47 @@ int Pulse256(const int t)
 	}
 	return alphaUnscaled;
 }
+
+char *ReadFileIntoBuf(const char *path, const char *mode)
+{
+	char *buf = NULL;
+	FILE *f = fopen(path, mode);
+	if (f == NULL)
+	{
+		goto bail;
+	}
+
+	// Read into buffer
+	if (fseek(f, 0L, SEEK_END) != 0)
+	{
+		goto bail;
+	}
+	long len = ftell(f);
+	if (len == -1)
+	{
+		goto bail;
+	}
+	CCALLOC(buf, len + 1);
+	if (fseek(f, 0L, SEEK_SET) != 0)
+	{
+		goto bail;
+	}
+	if (fread(buf, 1, len, f) == 0)
+	{
+		goto bail;
+	}
+
+	goto end;
+
+bail:
+	CFREE(buf);
+	buf = NULL;
+
+end:
+	if (f != NULL && fclose(f) != 0)
+	{
+		LOG(LM_MAIN, LL_ERROR, "Cannot close file %s: %s", path,
+			strerror(errno));
+	}
+	return buf;
+}

src/cdogs/utils.h

@@ -22,7 +22,7 @@
 	This file incorporates work covered by the following copyright and
 	permission notice:
 
-	Copyright (c) 2013-2017, 2019-2023 Cong Xu
+	Copyright (c) 2013-2017, 2019-2024 Cong Xu
 	All rights reserved.
 
 	Redistribution and use in source and binary forms, with or without
@@ -249,3 +249,5 @@ typedef enum
 } PlacementAccessFlags;
 
 int Pulse256(const int t);
+
+char *ReadFileIntoBuf(const char *path, const char *mode);