Linter (#427)

* Add golangci-lint config yaml and GitHub Actions workflows

* Update to Go 1.14

.github/workflows/pullRequest.yml

@@ -0,0 +1,33 @@
+---
+name: pull_request
+"on": [pull_request]
+jobs:
+  build:
+    name: Build
+    runs-on: ubuntu-latest
+    steps:
+      - name: Set up Go 1.14
+        uses: actions/setup-go@v1
+        with:
+          go-version: 1.14
+        id: go
+
+      - name: Check out code
+        uses: actions/checkout@v1
+
+      - name: Install dependencies
+        run: |
+          sudo apt-get install -y \
+            libxcursor-dev libxrandr-dev libxinerama-dev libxi-dev libgl1-mesa-dev libsdl2-dev libasound2-dev \
+            > /dev/null 2>&1
+
+      - name: Run golangci-lint
+        uses: golangci/golangci-lint-action@v1.2.1
+        with:
+          version: v1.27
+
+      - name: Run tests
+        run: go test -v -race ./...
+
+      - name: Build binary
+        run: go build .

.github/workflows/pushToMaster.yml

@@ -0,0 +1,36 @@
+---
+name: build
+"on":
+  push:
+    branches:
+      - master
+jobs:
+  build:
+    name: Build
+    runs-on: ubuntu-latest
+    steps:
+      - name: Set up Go 1.14
+        uses: actions/setup-go@v1
+        with:
+          go-version: 1.14
+        id: go
+
+      - name: Check out code
+        uses: actions/checkout@v1
+
+      - name: Install dependencies
+        run: |
+            sudo apt-get install -y \
+              libxcursor-dev libxrandr-dev libxinerama-dev libxi-dev libgl1-mesa-dev libsdl2-dev libasound2-dev \
+              > /dev/null 2>&1
+
+      - name: Run golangci-lint
+        uses: golangci/golangci-lint-action@v1.2.1
+        with:
+            version: v1.27
+
+      - name: Run tests
+        run: go test -v -race ./...
+
+      - name: Build binary
+        run: go build .

.golangci.yml

@@ -0,0 +1,88 @@
+---
+linters-settings:
+  dupl:
+    threshold: 100
+  funlen:
+    lines: 100
+    statements: 50
+  goconst:
+    min-len: 2
+    min-occurrences: 2
+  gocritic:
+    enabled-tags:
+      - diagnostic
+      - experimental
+      - opinionated
+      - performance
+      - style
+    disabled-checks:
+  gocyclo:
+    min-complexity: 15
+  goimports:
+    local-prefixes: github.com/OpenDiablo2/OpenDiablo2
+  golint:
+    min-confidence: 0.8
+  govet:
+    check-shadowing: true
+  lll:
+    line-length: 140
+  maligned:
+    suggest-new: true
+  misspell:
+    locale: US
+
+linters:
+  disable-all: true
+  enable:
+    - bodyclose
+    - deadcode
+    - depguard
+    - dogsled
+    - dupl
+    - errcheck
+    - funlen
+    - gochecknoglobals
+    - gochecknoinits
+    - gocognit
+    - goconst
+    - gocritic
+    - gocyclo
+    - godox
+    - gofmt
+    - goimports
+    - golint
+    - gomnd
+    - goprintffuncname
+    - gosec
+    - gosimple
+    - govet
+    - ineffassign
+    - interfacer
+    - lll
+    - maligned
+    - misspell
+    - nakedret
+    - prealloc
+    - rowserrcheck
+    - scopelint
+    - staticcheck
+    - structcheck
+    - stylecheck
+    - typecheck
+    - unconvert
+    - unparam
+    - unused
+    - varcheck
+    - whitespace
+    - wsl
+
+run:
+  timeout: 5m
+  skip-dirs:
+    - .github
+    - build
+    - web
+
+issues:
+  max-same-issues: 0
+  exclude-use-default: false

go.mod

@@ -1,6 +1,6 @@
 module github.com/OpenDiablo2/OpenDiablo2
 
-go 1.12
+go 1.14
 
 require (
 	github.com/JoshVarga/blast v0.0.0-20180421040937-681c804fb9f0