enable ci checks

.github/workflows/go.yml

@@ -0,0 +1,22 @@
+# This file adheres to the YAML5 style.
+{
+  "name": "Go",
+  "on": ["push", "pull_request"],
+  "jobs": {
+    "build": {
+      "name": "Build",
+      "runs-on": "ubuntu-latest",
+      "steps": [
+        {
+          "name": "Set up Go 1.20",
+          "uses": "actions/setup-go@v1",
+          "with": {"go-version": 1.20},
+          "id": "go",
+        },
+        {"name": "Check out code into the Go module directory", "uses": "actions/checkout@v1"},
+        {"name": "Linter", "run": "make ci-lint"},
+        {"name": "Test", "run": "make test"},
+      ],
+    },
+  },
+}

Makefile

@@ -0,0 +1,18 @@
+GOPATH_DIR=`go env GOPATH`
+
+test:
+	go test -count 2 ./...
+	go test -run=__ -bench=. ./...
+	cd _bench && go test -v -bench=. .
+	@echo "everything is OK"
+
+ci-lint:
+	curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh | sh -s -- -b $(GOPATH_DIR)/bin v1.54.2
+	$(GOPATH_DIR)/bin/golangci-lint run ./...
+	@echo "everything is OK"
+
+lint:
+	golangci-lint run ./...
+	@echo "everything is OK"
+
+.PHONY: ci-lint lint test

README.md

@@ -1,5 +1,8 @@
 # quasilyte/pathing
 
+![Build Status](https://github.com/quasilyte/pathing/workflows/Go/badge.svg)
+[![PkgGoDev](https://pkg.go.dev/badge/mod/github.com/quasilyte/pathing)](https://pkg.go.dev/mod/github.com/quasilyte/pathing)
+
 A very fast & zero-allocation, grid-based, pathfinding library for Go.
 
 ## Overview

_bench/go.mod

@@ -3,16 +3,18 @@ module github.com/quasilyte/pathing/_bench
 go 1.21
 
 require (
-	github.com/beefsack/go-astar v0.0.0-20200827232313-4ecf9e304482 // indirect
-	github.com/fzipp/astar v0.2.0 // indirect
-	github.com/quasilyte/gmath v0.0.0-20230723114625-7e8674b9f7b8 // indirect
-	github.com/quasilyte/pathing v0.0.0-20230915100554-44e61adb82ec // indirect
+	github.com/beefsack/go-astar v0.0.0-20200827232313-4ecf9e304482
+	github.com/fzipp/astar v0.2.0
+	github.com/quasilyte/pathing v0.0.0-20230920175739-f09a6a6e624b
+	github.com/s0rg/grid v1.4.0
+	github.com/solarlune/paths v0.0.0-20230130082802-0494358a2ca6
+)
+
+require (
 	github.com/s0rg/array2d v1.1.1 // indirect
-	github.com/s0rg/grid v1.4.0 // indirect
 	github.com/s0rg/set v1.0.1 // indirect
 	github.com/s0rg/vec2d v1.1.1 // indirect
 	github.com/segmentio/fasthash v1.0.3 // indirect
-	github.com/solarlune/paths v0.0.0-20230130082802-0494358a2ca6 // indirect
 	github.com/zyedidia/generic v1.2.1 // indirect
 	golang.org/x/exp v0.0.0-20230817173708-d852ddb80c63 // indirect
 )

_bench/go.sum

@@ -2,10 +2,8 @@ github.com/beefsack/go-astar v0.0.0-20200827232313-4ecf9e304482 h1:p4g4uok3+r6Tg
 github.com/beefsack/go-astar v0.0.0-20200827232313-4ecf9e304482/go.mod h1:Cu3t5VeqE8kXjUBeNXWQprfuaP5UCIc5ggGjgMx9KFc=
 github.com/fzipp/astar v0.2.0 h1:vEmeszAm62kB02Qh/oXQNrVR8p6G00WAJIkVRJYzekc=
 github.com/fzipp/astar v0.2.0/go.mod h1:1zYE8kcTMuS0g+b9Vh9lfR7t0MleOH6EneyA3esiLEc=
-github.com/quasilyte/gmath v0.0.0-20230723114625-7e8674b9f7b8 h1:sn3OqS/7OZBPrhEhhtEp8nHdatc/RNODsEHNxNRpyz8=
-github.com/quasilyte/gmath v0.0.0-20230723114625-7e8674b9f7b8/go.mod h1:EbI+KMbALSVE2s0YFOQpR4uj66zBh9ter5P4CBMSuvA=
-github.com/quasilyte/pathing v0.0.0-20230915100554-44e61adb82ec h1:0xEwQZ0CihQ5OPd/UvlUj6k4KjdN2S9A71lxSg/uzT4=
-github.com/quasilyte/pathing v0.0.0-20230915100554-44e61adb82ec/go.mod h1:ixjYf4Sk6dLp/SekkpGSqvSkODKfuZOwwi0nPR0AMTw=
+github.com/quasilyte/pathing v0.0.0-20230920175739-f09a6a6e624b h1:FC97/sIYUluRLue9kB0epP788FN4Lc7B/QrbzlN+JQg=
+github.com/quasilyte/pathing v0.0.0-20230920175739-f09a6a6e624b/go.mod h1:ixjYf4Sk6dLp/SekkpGSqvSkODKfuZOwwi0nPR0AMTw=
 github.com/s0rg/array2d v1.1.1 h1:fPZDbolqx9P0gCaD9yFTZT0TcWa6o/gK4t0YnGRpp/0=
 github.com/s0rg/array2d v1.1.1/go.mod h1:XUVXpxRB1bSnngbrTAyfEcLl6GP+8OpyFLEkwvQOukI=
 github.com/s0rg/grid v1.4.0 h1:h/sx1d3PBV4VEXRbbxrJu7D6119mJn2JGTV6FWpPt6c=

_bench/quasilyte_pathing_test.go

@@ -4,7 +4,7 @@ import (
 	"github.com/quasilyte/pathing"
 )
 
-var pathingLayer = pathing.MakeGridLayer(1, 0, 0, 0)
+var pathingLayer = pathing.MakeGridLayer([4]uint8{1, 0, 0, 0})
 
 type quasilytePathingTester struct {
 	tc *testCase
@@ -20,9 +20,12 @@ func newQuasilytePathingTester() *quasilytePathingTester {
 func (t *quasilytePathingTester) Init(tc *testCase) {
 	t.tc = tc
 	t.bfs = pathing.NewGreedyBFS(tc.numCols, tc.numRows)
-	width := float64(tc.cellWidth) * float64(tc.numCols)
-	height := float64(tc.cellHeight) * float64(tc.numRows)
-	t.grid = pathing.NewGrid(width, height, 0)
+	width := tc.cellWidth * tc.numCols
+	height := tc.cellHeight * tc.numRows
+	t.grid = pathing.NewGrid(pathing.GridConfig{
+		WorldWidth:  uint(width),
+		WorldHeight: uint(height),
+	})
 }
 
 func (t *quasilytePathingTester) BuildPath() (pathing.GridPath, gridCoord) {

example_detailed_test.go

@@ -6,7 +6,7 @@ import (
 	"github.com/quasilyte/pathing"
 )
 
-func ExampleDetailed() {
+func Example() {
 	// Grid is a "map" that stores cell info.
 	const cellSize = 40
 	g := pathing.NewGrid(pathing.GridConfig{

go.mod

@@ -1,3 +1,3 @@
 module github.com/quasilyte/pathing
 
-go 1.21
+go 1.20