VS Code integration (#298)

* Integrated VS Code IDE into project. A very useful tool for debugging Qt/SDL port.

* Fixed Qt/SDL debug launch target in vscode config for MacOS

.vscode/launch.json

@@ -0,0 +1,39 @@
+{
+	// Use IntelliSense to learn about possible attributes.
+	// Hover to view descriptions of existing attributes.
+	// For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
+	"version": "0.2.0",
+	"configurations": [
+		{
+			"name": "(gdb) Launch (Linux)",
+			"type": "cppdbg",
+			"request": "launch",
+			"program": "${workspaceFolder}/build/src/fceux",
+			"args": [],
+			"stopAtEntry": false,
+			"cwd": "${workspaceFolder}"
+			"environment": [],
+			"externalConsole": false,
+			"MIMode": "gdb",
+			"setupCommands": [
+				{
+					"description": "Enable pretty-printing for gdb",
+					"text": "-enable-pretty-printing",
+					"ignoreFailures": true
+				}
+			]
+		},
+		{
+			"name": "(lldb) Launch (MacOS)",
+			"type": "cppdbg",
+			"request": "launch",
+			"program": "${workspaceFolder}/build/src/fceux.app/Contents/MacOS/fceux",
+			"args": [],
+			"stopAtEntry": false,
+			"cwd": "${workspaceFolder}"
+			"environment": [],
+			"externalConsole": false,
+			"MIMode": "lldb"
+		}
+	]
+}

.vscode/tasks.json

@@ -0,0 +1,28 @@
+{
+	// See https://go.microsoft.com/fwlink/?LinkId=733558
+	// for the documentation about the tasks.json format
+	"version": "2.0.0",
+	"tasks": [
+		{
+			"label": "Build - Incremental",
+			"type": "shell",
+			"command": "${workspaceFolder}/scripts/unix_debug_build.sh",
+			"problemMatcher": [ "$gcc" ],
+			"group": {
+				"kind": "build",
+				"isDefault": true
+			}
+		},
+		{
+			"label": "Build - Full/Clean",
+			"type": "shell",
+			"command": "${workspaceFolder}/scripts/unix_debug_build.sh -B",
+			"problemMatcher": [ "$gcc" ],
+			"group": {
+				"kind": "build",
+				"isDefault": false
+			}
+		}
+
+	]
+}

scripts/unix_debug_build.sh

@@ -0,0 +1,60 @@
+#!/bin/bash
+
+CLEAN_BUILD=0;
+MAKE_ARGS="";
+
+while test $# -gt 0
+do
+    echo "$1"
+
+	 case $1 in
+		 -B) CLEAN_BUILD=1; MAKE_ARGS=" -B ";
+			 ;;
+
+		 -J) MAKE_ARGS+=" -j`nproc` ";
+			 ;;
+
+		 -j) shift; MAKE_ARGS+=" -j$1 ";
+			 ;;
+	 esac
+	 shift;
+done
+
+PROJECT_ROOT=$( cd "$(dirname ${BASH_SOURCE[0]})"/.. && pwd )
+
+echo $PROJECT_ROOT;
+echo "Building for OS: $OSTYPE";
+#echo "CLEAN_BUILD=$CLEAN_BUILD";
+
+cd $PROJECT_ROOT;
+
+if [[ $CLEAN_BUILD == 1 ]]; then
+	echo "Performing Clean Build";
+	rm -rf build;
+fi
+
+if [ ! -e "build" ]; then
+	mkdir build;
+fi
+
+cd build;
+
+CMAKE_ARGS="\
+ -DCMAKE_BUILD_TYPE=Debug \
+ -DCMAKE_INSTALL_PREFIX=/usr \
+ -DCMAKE_VERBOSE_MAKEFILE:BOOL=ON ";
+
+if [[ "$OSTYPE" == "darwin"* ]]; then
+	export Qt5_DIR=`brew --prefix qt5`
+	echo "Qt5_DIR=$Qt5_DIR";
+	CMAKE_ARGS+=" -DCMAKE_PREFIX_PATH=`brew --prefix qt5` ";
+fi
+
+#echo $CMAKE_ARGS;
+
+cmake  $CMAKE_ARGS  ..;
+
+#echo $MAKE_ARGS;
+
+make   $MAKE_ARGS;
+