iOS port

Makefile

@@ -52,9 +52,16 @@ INCLUDES += $(INCLUDE). \
 HEADERS += $(wildcard src/*.h) $(shell find vendor -name '*.h')
 SRCS += $(wildcard src/*.c) $(wildcard src/image/*.c) $(wildcard vendor/bzip2/*.c) vendor/md5/md5.c vendor/sha1/sha1.c vendor/base64/base64.c
 
+ifeq ($(OS),iOS)
+PLATFORM := ios
+BACKEND := ios
+AUDIO_BACKEND := openal
+DISABLE_LEGACY_GL := 1
+else
 PLATFORM := cli
 BACKEND := glfw3
 AUDIO_BACKEND := miniaudio
+endif
 
 ifdef BUTTERSCOTCH_COMMIT_DATE
 DEFINES += $(DEFINE)BUTTERSCOTCH_COMMIT_DATE=\"$(BUTTERSCOTCH_COMMIT_DATE)\"
@@ -127,6 +134,11 @@ LIBS += -framework Cocoa -framework GameController
 DEFINES += $(DEFINE)USE_APPKIT
 SYSCFLAGS += -Wno-deprecated-declarations
 endif
+ifeq ($(BACKEND),ios)
+LIBS += -framework Foundation -framework UIKit -framework OpenGLES -framework QuartzCore -framework CoreGraphics
+DEFINES += $(DEFINE)USE_IOS
+ENABLE_GLAD := 1
+endif
 
 # GNU make doesn't have a way to do OR in conditionals, stupid language for clowns
 ifndef DISABLE_LEGACY_GL
@@ -176,15 +188,19 @@ DEFINES += $(DEFINE)USE_MINIAUDIO
 SRCS += $(wildcard src/audio/miniaudio/*.c)
 HEADERS += $(wildcard src/audio/miniaudio/*.h)
 ifneq ($(OS),Windows)
+ifeq ($(OS),iOS)
+LIBS += -framework AVFoundation -framework AudioToolbox
+else
 LIBS += -pthread
 endif
 endif
+endif
 ifeq ($(AUDIO_BACKEND),openal)
 INCLUDES += $(INCLUDE)src/audio/openal
 DEFINES += $(DEFINE)USE_OPENAL
 SRCS += $(wildcard src/audio/openal/*.c)
 HEADERS += $(wildcard src/audio/openal/*.h)
-ifeq ($(OS),Darwin)
+ifneq ($(filter Darwin iOS,$(OS)),) # OS is 'Darwin' or 'iOS'
 LIBS += -framework OpenAL
 else
 LIBS += -lopenal
@@ -193,7 +209,7 @@ endif
 
 ifdef ENABLE_GLAD
 SRCS += vendor/glad/src/glad.c
-INCLUDES += $(INCLUDE)vendor/glad/include
+INCLUDES += $(INCLUDE)vendor/glad/include $(INCLUDE)src/gl_common
 endif
 
 ifeq ($(OS),Windows)
@@ -206,7 +222,7 @@ LIBS += -lwinmm
 endif
 DEFINES += $(DEFINE)WIN32_LEAN_AND_MEAN
 else
-ifeq ($(OS),Darwin)
+ifneq ($(filter Darwin iOS,$(OS)),) # OS is 'Darwin' or 'iOS'
 LIBS += -lobjc
 else
 LIBS += -lm
@@ -231,10 +247,11 @@ compat/config.mk: compat/configure.sh compat/tmp/cc
 
 endif
 
-build/butterscotch: $(OBJS)
+build/butterscotch: $(OBJS) $(if $(filter iOS,$(OS)),artifacts/ios/build-ipa.sh $(wildcard artifacts/ios/assets/*))
 	@{ [ -z "$(NO_COLOR)" ] && [ -t 1 ]; } && printf " \033[1;34mLD\033[0m butterscotch\n" || printf " LD butterscotch\n"
 	$(V)MSYS2_ARG_CONV_EXCL='*' $(_CC) $(LDFLAGS) $(OBJS) $(LIBS) $(EXTRALIBS) $(OUTPUT_EXE)$@
 	@[ -f $@.exe ] && chmod +x $@.exe || true
+	@if [ "$(OS)" = 'iOS' ]; then artifacts/ios/build-ipa.sh; fi
 
 build/%.$(OBJ_EXT): % compat/config.mk $(if $(DISABLE_MMD),$(HEADERS))
 	@mkdir -p $(dir $@)

artifacts/ios/SDKSettings.json

@@ -0,0 +1,28 @@
+{
+  "DisplayName": "iOS 8.0",
+  "DocSetFeedURL": "http://developer.apple.com/rss/com.apple.adc.documentation.AppleiPhone8_0.atom",
+  "MinimalDisplayName": "8.0",
+  "DefaultProperties": {
+    "AD_HOC_CODE_SIGNING_ALLOWED": "NO",
+    "SUPPORTED_DEVICE_FAMILIES": "1,2",
+    "DEFAULT_COMPILER": "com.apple.compilers.llvm.clang.1_0",
+    "IPHONEOS_DEPLOYMENT_TARGET": "8.0",
+    "DEAD_CODE_STRIPPING": "YES",
+    "CODE_SIGN_ENTITLEMENTS": "",
+    "ENTITLEMENTS_REQUIRED": "YES",
+    "CODE_SIGNING_REQUIRED": "YES",
+    "PLATFORM_NAME": "iphoneos",
+    "GCC_THUMB_SUPPORT": "YES"
+  },
+  "Version": "8.0",
+  "Toolchains": [
+    "com.apple.dt.toolchain.iOS8_0"
+  ],
+  "MinimumSupportedToolsVersion": "3.2.3",
+  "IsBaseSDK": "YES",
+  "AlternateSDK": "iphonesimulator8.0",
+  "MaximumDeploymentTarget": "8.0.99",
+  "CanonicalName": "iphoneos8.0",
+  "DocSetFeedName": "Apple iPhone OS 8.0",
+  "CustomProperties": {}
+}

artifacts/ios/assets/Icon-60@2x.png

@@ -0,0 +1 @@
+Icon-40@3x.png

artifacts/ios/assets/Info.plist

@@ -0,0 +1,146 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+    <key>CFBundleDevelopmentRegion</key>
+    <string>en</string>
+    <key>CFBundleDisplayName</key>
+    <string>Butterscotch</string>
+    <key>CFBundleExecutable</key>
+    <string>butterscotch</string>
+    <key>CFBundleIdentifier</key>
+    <string>com.mrpowergamerbr.butterscotch</string>
+    <key>CFBundleInfoDictionaryVersion</key>
+    <string>6.0</string>
+    <key>CFBundleName</key>
+    <string>Butterscotch</string>
+    <key>CFBundlePackageType</key>
+    <string>APPL</string>
+    <key>CFBundleSignature</key>
+    <string>????</string>
+    <key>CFBundleVersion</key>
+    <string>1.0.0</string>
+    <key>CFBundleShortVersionString</key>
+    <string>1.0.0</string>
+    <key>CFBundleSupportedPlatforms</key>
+    <array>
+        <string>iPhoneOS</string>
+    </array>
+    <key>MinimumOSVersion</key>
+    <string>2.0</string>
+    <key>UIDeviceFamily</key>
+    <array>
+        <integer>1</integer>
+        <integer>2</integer>
+    </array>
+    <key>UIStatusBarHidden</key>
+    <true/>
+    <key>UIFileSharingEnabled</key>
+    <true/>
+    <key>LSSupportsOpeningDocumentsInPlace</key>
+    <true/>
+    <key>UIViewControllerBasedStatusBarAppearance</key>
+    <false/>
+    <key>CFBundleIconFiles</key>
+    <array>
+        <string>Icon.png</string>
+        <string>Icon@2x.png</string>
+        <string>Icon-72.png</string>
+        <string>Icon-72@2x.png</string>
+        <string>Icon-Small.png</string>
+        <string>Icon-Small@2x.png</string>
+    </array>
+    <key>CFBundleIcons</key>
+    <dict>
+        <key>CFBundlePrimaryIcon</key>
+        <dict>
+            <key>CFBundleIconFiles</key>
+            <array>
+                <string>Icon-20.png</string>
+                <string>Icon-20@2x.png</string>
+                <string>Icon-20@3x.png</string>
+                <string>Icon-40.png</string>
+                <string>Icon-40@2x.png</string>
+                <string>Icon-40@3x.png</string>
+                <string>Icon-60@2x.png</string>
+                <string>Icon-60@3x.png</string>
+            </array>
+        </dict>
+    </dict>
+    <key>CFBundleIcons~ipad</key>
+    <dict>
+        <key>CFBundlePrimaryIcon</key>
+        <dict>
+            <key>CFBundleIconFiles</key>
+            <array>
+                <string>Icon-20.png</string>
+                <string>Icon-20@2x.png</string>
+                <string>Icon-40.png</string>
+                <string>Icon-40@2x.png</string>
+                <string>Icon-72.png</string>
+                <string>Icon-72@2x.png</string>
+                <string>Icon-76.png</string>
+                <string>Icon-76@2x.png</string>
+                <string>Icon-83.5@2x.png</string>
+            </array>
+        </dict>
+    </dict>
+    <key>UILaunchImages</key>
+    <array>
+        <dict>
+            <key>UILaunchImageName</key>
+            <string>Default</string>
+            <key>UILaunchImageMinimumOSVersion</key>
+            <string>2.0</string>
+            <key>UILaunchImageOrientation</key>
+            <string>Portrait</string>
+            <key>UILaunchImageSize</key>
+            <string>{320, 480}</string>
+        </dict>
+        <dict>
+            <key>UILaunchImageName</key>
+            <string>Default-568h</string>
+            <key>UILaunchImageMinimumOSVersion</key>
+            <string>7.0</string>
+            <key>UILaunchImageOrientation</key>
+            <string>Portrait</string>
+            <key>UILaunchImageSize</key>
+            <string>{320, 568}</string>
+        </dict>
+        <dict>
+            <key>UILaunchImageName</key>
+            <string>Default-667h</string>
+            <key>UILaunchImageMinimumOSVersion</key>
+            <string>8.0</string>
+            <key>UILaunchImageOrientation</key>
+            <string>Portrait</string>
+            <key>UILaunchImageSize</key>
+            <string>{375, 667}</string>
+        </dict>
+        <dict>
+            <key>UILaunchImageName</key>
+            <string>Default-736h</string>
+            <key>UILaunchImageMinimumOSVersion</key>
+            <string>8.0</string>
+            <key>UILaunchImageOrientation</key>
+            <string>Portrait</string>
+            <key>UILaunchImageSize</key>
+            <string>{414, 736}</string>
+        </dict>
+        <dict>
+            <key>UILaunchImageName</key>
+            <string>Default-812h</string>
+            <key>UILaunchImageMinimumOSVersion</key>
+            <string>11.0</string>
+            <key>UILaunchImageOrientation</key>
+            <string>Portrait</string>
+            <key>UILaunchImageSize</key>
+            <string>{375, 812}</string>
+        </dict>
+    </array>
+    <key>UISupportedInterfaceOrientations</key>
+    <array>
+        <string>UIInterfaceOrientationPortrait</string>
+    </array>
+</dict>
+</plist>

artifacts/ios/build-ipa.sh

@@ -0,0 +1,26 @@
+#!/bin/sh
+set -e
+
+apppath="build/Payload/butterscotch.app"
+
+if ! [ -f build/butterscotch ]; then
+    printf 'Expected a binary at build/butterscotch\n'
+    exit 1
+fi
+
+printf 'Creating butterscotch.ipa\n'
+
+rm -rf "$apppath"
+mkdir -p "$apppath"
+if command -v ldid >/dev/null; then
+    ldid -Sartifacts/ios/butterscotch.entitlements build/butterscotch
+else
+    codesign -f -s - --entitlements artifacts/ios/butterscotch.entitlements build/butterscotch
+fi
+cp build/butterscotch "$apppath/butterscotch"
+cp -a artifacts/ios/assets/* "$apppath"
+command -v plistutil >/dev/null && plistutil -i artifacts/ios/assets/Info.plist -o "$apppath/Info.plist" -f bin
+
+cd build
+rm -f butterscotch.ipa
+zip -qr butterscotch.ipa Payload