French and German translation from original games

CMakeLists.txt

@@ -0,0 +1,33 @@
+add_subdirectory(src)
+
+FILE(
+    GLOB_RECURSE
+    data_dos_file
+    data/*
+)
+
+add_custom_target(Data_DOS
+    SOURCES
+    ${data_dos_file}
+)
+
+FILE(
+    GLOB_RECURSE
+    doc_file
+    doc/*
+)
+
+add_custom_target(Doc
+    SOURCES
+    ${doc_file}
+)
+
+add_custom_target(Root_Data
+    SOURCES
+    COPYING
+    ReadMe.amigaos4
+    README.md
+    SDLPoP.ini
+    mods/mods.txt
+    replays/replays.txt
+)

SDLPoP.ini

@@ -15,6 +15,10 @@
 
 
 [General]
+; Language selection (EN, FR, DE)
+; Texts not translated default to english
+language = EN
+
 ; Show the in-game menu when you pause the game by pressing Escape.
 ; If this is disabled, you can still bring up the menu using Backspace.
 enable_pause_menu = true

src/CMakeLists.txt

@@ -51,6 +51,10 @@ if (WIN32)
     link_directories(${SDL2}/${SDL2_ARCH}/lib)
 endif()
 
+if (UNIX)
+    add_definitions(-D_GNU_SOURCE=1)
+endif()
+
 set(SOURCE_FILES
         main.c
         common.h
@@ -59,6 +63,12 @@ set(SOURCE_FILES
         data.h
         proto.h
         types.h
+        Localization/legacy_ingame_texts.h
+        Localization/language.h
+        Localization/non_ascii_code.h
+        Localization/legacy_ingame_texts.c
+        Localization/language.c
+        Localization/non_ascii_code.c
         seg000.c
         seg001.c
         seg002.c

src/Localization/language.c

@@ -0,0 +1,63 @@
+/*
+SDLPoP, a port/conversion of the DOS game Prince of Persia.
+Copyright (C) 2013-2023  Dávid Nagy
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+The authors of this program may be contacted at https://forum.princed.org
+*/
+
+#include <string.h>
+#include <stdio.h>
+
+#include "../proto.h"
+#include "language.h"
+
+enum localization set_language_param(const char *value) {
+	if	    (strcmp(value, "EN") == 0) return EN;
+	else if (strcmp(value, "FR") == 0) return FR;
+	else if (strcmp(value, "DE") == 0) return DE;
+	else							   return EN;
+}
+
+void select_language_img(enum localization loc,
+						 char* image_filename, size_t image_filename_size,
+						 const char* filename_no_ext, int resource_id, const char* extension) {
+	char lang_append[10];
+
+	switch (loc) {
+	case EN:
+		strncpy(lang_append, "", sizeof(lang_append)); break;
+	case FR:
+		strncpy(lang_append, "_FR", sizeof(lang_append)); break;
+	case DE:
+		strncpy(lang_append, "_DE", sizeof(lang_append)); break;
+	default:
+		strncpy(lang_append, "", sizeof(lang_append)); break;
+	}
+
+	// First check if there is a file specific to the selected language
+	snprintf_check(image_filename,image_filename_size,"data/%s/res%d%s.%s",filename_no_ext, resource_id, lang_append, extension);
+
+	// try to open the file to check if it exists
+	FILE* fp = fopen(locate_file(image_filename), "rb");
+	if (fp != NULL) {
+		fclose(fp);
+	}
+	else {
+		// Specific file does not exist - fallback to regular file
+		snprintf_check(image_filename,image_filename_size,"data/%s/res%d.%s",filename_no_ext, resource_id, extension);
+	}
+	return;
+}

src/Localization/language.h

@@ -0,0 +1,36 @@
+/*
+SDLPoP, a port/conversion of the DOS game Prince of Persia.
+Copyright (C) 2013-2023  Dávid Nagy
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+The authors of this program may be contacted at https://forum.princed.org
+*/
+
+#ifndef LANGUAGE_H
+#define LANGUAGE_H
+
+enum localization {
+	EN = 0,
+	FR,
+	DE
+};
+
+enum localization set_language_param(const char *value);
+
+void select_language_img(enum localization loc,
+						 char* image_filename, size_t image_filename_size,
+						 const char* filename_no_ext, int resource_id, const char* extension);
+
+#endif

src/Localization/legacy_ingame_texts.c

@@ -0,0 +1,195 @@
+/*
+SDLPoP, a port/conversion of the DOS game Prince of Persia.
+Copyright (C) 2013-2023  Dávid Nagy
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+The authors of this program may be contacted at https://forum.princed.org
+*/
+
+#include <stdio.h>
+
+#include "legacy_ingame_texts.h"
+
+// Note : bottom text box cannot display more than 28 chars
+
+void str_one_second_left(enum localization loc, char* string, size_t string_size) {
+	switch (loc) {
+	case FR:
+		strncpy(string, "DERNIERE SECONDE", string_size); break;
+	case DE:
+		strncpy(string, "1 SEKUNDE UEBRIG", string_size); break;
+	case EN:
+	default:
+		strncpy(string, "1 SECOND LEFT", string_size); break;
+	}
+}
+
+void str_seconds_left(enum localization loc, char* string, size_t string_size, word rem_sec) {
+	switch (loc) {
+	case FR:
+		snprintf(string, string_size, "ENCORE %d SECONDES", rem_sec); break;
+	case DE:
+		snprintf(string, string_size, "%d SEKUNDEN UEBRIG", rem_sec); break;
+	case EN:
+	default:
+		snprintf(string, string_size, "%d SECONDS LEFT", rem_sec); break;
+	}
+}
+
+void str_minutes_left(enum localization loc, char* string, size_t string_size, word rem_min) {
+	switch (loc) {
+	case FR:
+		snprintf(string, string_size, "ENCORE %d MINUTES", rem_min); break;
+	case DE:
+		snprintf(string, string_size, "%d MINUTEN UEBRIG", rem_min); break;
+	case EN:
+	default:
+		snprintf(string, string_size, "%d MINUTES LEFT", rem_min); break;
+	}
+}
+
+void str_time_expired(enum localization loc, char* string, size_t string_size) {
+	switch (loc) {
+	case FR:
+		strncpy(string, "TEMPS ECOULE!", string_size); break;
+	case DE:
+		strncpy(string, "DIE ZEIT IST ABGELAUFEN!", string_size); break;
+	case EN:
+	default:
+		strncpy(string, "TIME HAS EXPIRED!", string_size); break;
+	}
+}
+
+void str_level(enum localization loc, char* string, size_t string_size, byte disp_level) {
+	switch (loc) {
+	case FR:
+		snprintf(string, string_size, "NIVEAU %d", disp_level); break;
+	case DE:
+		snprintf(string, string_size, "LEVEL %d", disp_level); break;
+	case EN:
+	default:
+		snprintf(string, string_size, "LEVEL %d", disp_level); break;
+	}
+}
+
+void str_pressbutton(enum localization loc, char* string, size_t string_size) {
+	switch (loc) {
+	case FR:
+		strncpy(string, "PRESSEZ LE BOUTON", string_size); break;
+	case DE:
+		strncpy(string, "KNOPFDRUCK ZUM WEITERSPIELEN", string_size); break;
+	case EN:
+	default:
+		strncpy(string, "Press Button to Continue", string_size); break;
+	}
+}
+
+void str_pause(enum localization loc, char* string, size_t string_size) {
+	switch (loc) {
+	case FR:
+		strncpy(string, "PAUSE", string_size); break;
+	case DE:
+		strncpy(string, "PAUSE", string_size); break;
+	case EN:
+	default:
+		strncpy(string, "GAME PAUSED", string_size); break;
+	}
+}
+
+void str_save(enum localization loc, char* string, size_t string_size) {
+	switch (loc) {
+	case FR:
+		strncpy(string, "PARTIE SAUVEE", string_size); break;
+	case DE:
+		strncpy(string, "SPIEL WURDE GESPEICHERT", string_size); break;
+	case EN:
+	default:
+		strncpy(string, "GAME SAVED", string_size); break;
+	}
+}
+
+void str_unable_save(enum localization loc, char* string, size_t string_size) {
+	switch (loc) {
+	case FR:
+		strncpy(string, "SAUVEGARDE IMPOSSIBLE", string_size); break;
+	case DE:
+		strncpy(string, "SPIEL NICHT GESPEICHERT", string_size); break;
+	case EN:
+	default:
+		strncpy(string, "UNABLE TO SAVE GAME", string_size); break;
+	}
+}
+
+void str_copy_protection_bottom(enum localization loc, char* string, size_t string_size,
+								word copy_word, word copy_line, word copy_page) {
+	switch (loc) {
+	case FR:
+		snprintf(string, string_size, "PAGE %d LIGNE %d MOT %d", copy_page, copy_line, copy_word); break;
+	case DE:
+		snprintf(string, string_size, "SEITE %d ZEILE %d WORT %d", copy_page, copy_line, copy_word); break;
+	case EN:
+	default:
+		snprintf(string, string_size, "WORD %d LINE %d PAGE %d", copy_word, copy_line, copy_page);
+	}
+}
+
+void str_copy_protection_dialog(enum localization loc, char* string, size_t string_size,
+									   word copy_word, word copy_line, word copy_page) {
+	switch (loc) {
+	case FR:
+		snprintf(string, string_size,
+				 "Buvez la potion correspondant à la première "
+				 "lettre du Mot %d Ligne %d de la Page %d du Manuel.",
+				 copy_word, copy_line, copy_page);
+		break;
+	case DE:
+		snprintf(string, string_size,
+				 "Trinken Sie die magische Flasche mit dem Anfangsbuchstaben von\n"
+				 "Wort %d in Zeile %d auf Seite %d.",
+				 copy_word, copy_line, copy_page);
+		break;
+	case EN:
+	default:
+		snprintf(string, string_size,
+				 "Drink potion matching the first letter of Word %d on Line %d\n"
+				 "of Page %d of the manual.",
+				 copy_word, copy_line, copy_page);
+	}
+}
+
+void str_dialog(enum localization loc, char* string, size_t string_size, const char* text) {
+	switch (loc) {
+	case FR:
+		snprintf(string, string_size, "%s\n\nPressez une touche pour continuer.", text);
+		break;
+	case DE:
+		snprintf(string, string_size, "%s\n\nDrücken Sie eine Taste.", text); break;
+	case EN:
+	default:
+		snprintf(string, string_size, "%s\n\nPress any key to continue.", text);
+	}
+}
+
+void str_loading(enum localization loc, char* string, size_t string_size) {
+	switch (loc) {
+	case FR:
+		strncpy(string, "Chargement. . .", string_size); break;
+	case DE:
+		strncpy(string, "Bitte Warten. . .", string_size); break;
+	case EN:
+	default:
+		strncpy(string, "Loading. . . .", string_size); break;
+	}
+}