[ios] Expose app's data

CMakeLists.txt

@@ -548,6 +548,10 @@ set(libdevilutionx_SRCS
   Source/storm/storm_svid.cpp
   Source/miniwin/misc_msg.cpp)
 
+if(IOS)
+  list(APPEND libdevilutionx_SRCS Source/platform/ios/ios_paths.m)
+endif()
+
 if(USE_SDL1)
   list(APPEND libdevilutionx_SRCS Source/utils/sdl2_to_1_2_backports.cpp)
 endif()

Packaging/apple/Info.plist

@@ -44,5 +44,9 @@
 	<true/>
 	<key>UIApplicationSupportsIndirectInputEvents</key>
 	<true/>
+	<key>LSSupportsOpeningDocumentsInPlace</key>
+	<true/>
+	<key>UIFileSharingEnabled</key>
+	<true/>
 </dict>
 </plist>

Source/platform/ios/ios_paths.h

@@ -0,0 +1,11 @@
+#pragma once
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+extern char *IOSGetPrefPath();
+
+#ifdef __cplusplus
+}
+#endif

Source/platform/ios/ios_paths.m

@@ -0,0 +1,30 @@
+#import <Foundation/Foundation.h>
+
+#include "ios_paths.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+char *IOSGetPrefPath()
+{
+	@autoreleasepool {
+		NSArray *array = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
+
+		if ([array count] > 0) {
+			NSString *str = [array objectAtIndex:0];
+			str = [str stringByAppendingString:@"/"];
+			const char *base = [str fileSystemRepresentation];
+
+			char *copy = malloc(strlen(base) + 1);
+			strcpy(copy, base);
+			return copy;
+		}
+
+		return "";
+	}
+}
+
+#ifdef __cplusplus
+}
+#endif

Source/utils/paths.cpp

@@ -6,6 +6,10 @@
 #include "utils/log.hpp"
 #include "utils/sdl_ptrs.h"
 
+#ifdef __IPHONEOS__
+#include "platform/ios/ios_paths.h"
+#endif
+
 #ifdef USE_SDL1
 #include "utils/sdl2_to_1_2_backports.h"
 #endif
@@ -66,10 +70,14 @@ const std::string &BasePath()
 const std::string &PrefPath()
 {
 	if (!prefPath) {
+#ifndef __IPHONEOS__
 		prefPath = FromSDL(SDL_GetPrefPath("diasurgical", "devilution"));
 		if (FileExistsAndIsWriteable("diablo.ini")) {
 			prefPath = std::string("./");
 		}
+#else
+		prefPath = FromSDL(IOSGetPrefPath());
+#endif
 	}
 	return *prefPath;
 }
@@ -77,10 +85,14 @@ const std::string &PrefPath()
 const std::string &ConfigPath()
 {
 	if (!configPath) {
+#ifndef __IPHONEOS__
 		configPath = FromSDL(SDL_GetPrefPath("diasurgical", "devilution"));
 		if (FileExistsAndIsWriteable("diablo.ini")) {
 			configPath = std::string("./");
 		}
+#else
+		configPath = FromSDL(IOSGetPrefPath());
+#endif
 	}
 	return *configPath;
 }