Added allegro build tag to the README.

Moved zipping directly after the build folder is ready.

README.md

@@ -118,6 +118,11 @@ go generate opslag.de/schobers/tins2020/cmd/tins2020
 go install opslag.de/schobers/tins2020/cmd/tins2020 -tags static -ldflags "-s -w"
 ```
 
+If you want to use the Allegro backend you can add the build tag `allegro` to the `go install` command. E.g.:
+```
+go install opslag.de/schobers/tins2020/cmd/tins2020 -tags static,allegro -ldflags "-s -w"
+```
+
 ## Sources
 Can be found at https://opslag.de/schobers/tins2020 (Git repository).
 

cmd/tins2020/tins2020.go

@@ -12,9 +12,6 @@ import (
 	"opslag.de/schobers/zntg/play"
 	"opslag.de/schobers/zntg/ui"
 
-	_ "opslag.de/schobers/zntg/sdlui" // rendering backend
-	// _ "opslag.de/schobers/zntg/allg5ui" // rendering backend
-
 	rice "github.com/GeertJohan/go.rice"
 	"github.com/veandco/go-sdl2/sdl"
 	"opslag.de/schobers/tins2020"

cmd/tins2020/tins2020_allegro.go

@@ -0,0 +1,13 @@
+// +build allegro
+
+package main
+
+import (
+	"log"
+
+	_ "opslag.de/schobers/zntg/allg5ui" // rendering backend
+)
+
+func init() {
+	log.Println("Using Allegro5 rendering backend")
+}

cmd/tins2020/tins2020_sdl.go

@@ -0,0 +1,13 @@
+// +build !allegro
+
+package main
+
+import (
+	"log"
+
+	_ "opslag.de/schobers/zntg/sdlui" // SDL rendering backend
+)
+
+func init() {
+	log.Println("Using SDL rendering backend")
+}

scripts/release.sh

@@ -12,28 +12,38 @@ echo "Creating ${version} release"
 rm -rf build/linux*
 rm -rf build/windows*
 
-mkdir -p build/linux
-mkdir -p build/windows
+mkdir -p build/release
 
 go generate ../cmd/tins2020
 
+mkdir -p build/linux
 go build -tags static -ldflags "-s -w" -o build/linux/botanim ../cmd/tins2020
 cp ../README.md build/linux
-
-CGO_ENABLED=1 CC=x86_64-w64-mingw32-gcc GOOS=windows GOARCH=amd64 go build -tags static -ldflags "-s -w" -o build/windows/botanim.exe ../cmd/tins2020
-cp ../README.md build/windows
-
-
-mkdir -p build/release
-
-cd build
-
-cd linux
+cd build/linux
 zip -9 -q ../release/botanim_${version}_linux_amd64.zip *
 echo "Created Linux release: build/release/botanim_${version}_linux_amd64.zip"
-cd ..
+cd ../..
 
-cd windows
+mkdir -p build/linux-allegro
+go build -tags static,allegro -ldflags "-s -w" -o build/linux-allegro/botanim ../cmd/tins2020
+cp ../README.md build/linux-allegro
+cd build/linux-allegro
+zip -9 -q ../release/botanim_allegro_${version}_linux_amd64.zip *
+echo "Created Linux (Allegro) release: build/release/botanim_allegro_${version}_linux_amd64.zip"
+cd ../..
+
+mkdir -p build/windows
+CGO_ENABLED=1 CC=x86_64-w64-mingw32-gcc GOOS=windows GOARCH=amd64 go build -tags static -ldflags "-s -w" -o build/windows/botanim.exe ../cmd/tins2020
+cp ../README.md build/windows
+cd build/windows
 zip -9 -q ../release/botanim_${version}_windows_amd64.zip *
 echo "Created Windows release: build/release/botanim_${version}_windows_amd64.zip"
-cd ..
+cd ../..
+
+mkdir -p build/windows-allegro
+CGO_ENABLED=1 CC=x86_64-w64-mingw32-gcc GOOS=windows GOARCH=amd64 go build -tags static,allegro,mingw64_7_3 -ldflags "-s -w" -o build/windows-allegro/botanim.exe ../cmd/tins2020
+cp ../README.md build/windows-allegro
+cd build/windows-allegro
+zip -9 -q ../release/botanim_allegro_${version}_windows_amd64.zip *
+echo "Created Windows (Allegro) release: build/release/botanim_allegro_${version}_windows_amd64.zip"
+cd ../..

terrainrenderer.go

@@ -63,12 +63,9 @@ func (r *terrainRenderer) Handle(ctx ui.Context, event ui.Event) bool {
 			}
 		}
 	case *ui.MouseButtonUpEvent:
-		pos := e.Pos()
-		if pos.In(r.interactBounds) {
-			if _, ok := r.drag.IsDragging(); ok {
-				r.game.Terrain.Center = r.isometric.TileInt(r.isometric.Center())
-				r.drag.Cancel()
-			}
+		if _, ok := r.drag.IsDragging(); ok {
+			r.game.Terrain.Center = r.isometric.TileInt(r.isometric.Center())
+			r.drag.Cancel()
 		}
 	case *ui.MouseMoveEvent:
 		pos := e.Pos()
@@ -80,7 +77,7 @@ func (r *terrainRenderer) Handle(ctx ui.Context, event ui.Event) bool {
 		}
 		if _, ok := r.drag.IsDragging(); ok {
 			delta, _ := r.drag.Move(pos)
-			r.isometric.Pan(r.isometric.ViewToTileRelative(delta.Invert()))
+			r.isometric.Pan(delta.Invert())
 		}
 		if r.hover != nil {
 			if e.MouseWheel < 0 {
@@ -100,13 +97,13 @@ func (r *terrainRenderer) Handle(ctx ui.Context, event ui.Event) bool {
 		case ui.KeyPadMinus:
 			r.isometric.ZoomOut(r.isometric.Center())
 		case ui.KeyW:
-			r.isometric.Pan(geom.PtF32(-1, -1))
+			r.isometric.PanTile(geom.PtF32(-1, -1))
 		case ui.KeyA:
-			r.isometric.Pan(geom.PtF32(-1, 1))
+			r.isometric.PanTile(geom.PtF32(-1, 1))
 		case ui.KeyS:
-			r.isometric.Pan(geom.PtF32(1, 1))
+			r.isometric.PanTile(geom.PtF32(1, 1))
 		case ui.KeyD:
-			r.isometric.Pan(geom.PtF32(1, -1))
+			r.isometric.PanTile(geom.PtF32(1, -1))
 		}
 	}
 	return false