GetTime

_examples/atlas/go.mod

@@ -4,6 +4,6 @@ go 1.24.0
 
 replace github.com/firefly-zero/firefly-go => ../../
 
-require github.com/firefly-zero/firefly-go v0.12.0
+require github.com/firefly-zero/firefly-go v0.13.0
 
 require github.com/orsinium-labs/tinymath v1.2.0 // indirect

_examples/audio_file/go.mod

@@ -4,6 +4,6 @@ go 1.24.0
 
 replace github.com/firefly-zero/firefly-go => ../../
 
-require github.com/firefly-zero/firefly-go v0.12.0
+require github.com/firefly-zero/firefly-go v0.13.0
 
 require github.com/orsinium-labs/tinymath v1.2.0 // indirect

_examples/audio_sine/go.mod

@@ -4,6 +4,6 @@ go 1.24.0
 
 replace github.com/firefly-zero/firefly-go => ../../
 
-require github.com/firefly-zero/firefly-go v0.12.0
+require github.com/firefly-zero/firefly-go v0.13.0
 
 require github.com/orsinium-labs/tinymath v1.2.0 // indirect

_examples/canvas/go.mod

@@ -4,6 +4,6 @@ go 1.24.0
 
 replace github.com/firefly-zero/firefly-go => ../../
 
-require github.com/firefly-zero/firefly-go v0.12.0
+require github.com/firefly-zero/firefly-go v0.13.0
 
 require github.com/orsinium-labs/tinymath v1.2.0 // indirect

_examples/debug/go.mod

@@ -4,6 +4,6 @@ go 1.24.0
 
 replace github.com/firefly-zero/firefly-go => ../../
 
-require github.com/firefly-zero/firefly-go v0.12.0
+require github.com/firefly-zero/firefly-go v0.13.0
 
 require github.com/orsinium-labs/tinymath v1.2.0 // indirect

_examples/image/go.mod

@@ -4,6 +4,6 @@ go 1.24.0
 
 replace github.com/firefly-zero/firefly-go => ../../
 
-require github.com/firefly-zero/firefly-go v0.12.0
+require github.com/firefly-zero/firefly-go v0.13.0
 
 require github.com/orsinium-labs/tinymath v1.2.0 // indirect

_examples/qr/go.mod

@@ -4,6 +4,6 @@ go 1.24.0
 
 replace github.com/firefly-zero/firefly-go => ../../
 
-require github.com/firefly-zero/firefly-go v0.12.0
+require github.com/firefly-zero/firefly-go v0.13.0
 
 require github.com/orsinium-labs/tinymath v1.2.0 // indirect

_examples/scores/go.mod

@@ -4,6 +4,6 @@ go 1.24.0
 
 replace github.com/firefly-zero/firefly-go => ../../
 
-require github.com/firefly-zero/firefly-go v0.12.0
+require github.com/firefly-zero/firefly-go v0.13.0
 
 require github.com/orsinium-labs/tinymath v1.2.0 // indirect

_examples/sprite/go.mod

@@ -4,6 +4,6 @@ go 1.24.0
 
 replace github.com/firefly-zero/firefly-go => ../../
 
-require github.com/firefly-zero/firefly-go v0.12.0
+require github.com/firefly-zero/firefly-go v0.13.0
 
 require github.com/orsinium-labs/tinymath v1.2.0 // indirect

_examples/stash/go.mod

@@ -4,6 +4,6 @@ go 1.24.0
 
 replace github.com/firefly-zero/firefly-go => ../../
 
-require github.com/firefly-zero/firefly-go v0.12.0
+require github.com/firefly-zero/firefly-go v0.13.0
 
 require github.com/orsinium-labs/tinymath v1.2.0 // indirect

_examples/text/go.mod

@@ -4,6 +4,6 @@ go 1.24.0
 
 replace github.com/firefly-zero/firefly-go => ../../
 
-require github.com/firefly-zero/firefly-go v0.12.0
+require github.com/firefly-zero/firefly-go v0.13.0
 
 require github.com/orsinium-labs/tinymath v1.2.0 // indirect

_examples/time/firefly.toml

@@ -0,0 +1,7 @@
+author_id = "demo"
+app_id = "go-time"
+author_name = "Demo"
+app_name = "Time Demo (Go)"
+
+[files]
+font = { path = "eg_6x10.fff", url = "https://fonts.fireflyzero.com/fonts/ascii/eg_6x10.fff" }

_examples/time/go.mod

@@ -0,0 +1,9 @@
+module demotext
+
+go 1.24.0
+
+replace github.com/firefly-zero/firefly-go => ../../
+
+require github.com/firefly-zero/firefly-go v0.13.0
+
+require github.com/orsinium-labs/tinymath v1.2.0 // indirect

_examples/time/go.sum

@@ -0,0 +1,2 @@
+github.com/orsinium-labs/tinymath v1.2.0 h1:mxbQzDQz00XQvPqPmIRCgXvYMyPCgCng1kYWfvjXr6M=
+github.com/orsinium-labs/tinymath v1.2.0/go.mod h1:WPXX6ei3KSXG7JfA03a+ekCYaY9SWN4I+JRl2p6ck+A=

_examples/time/time.go

@@ -0,0 +1,22 @@
+package main
+
+import "github.com/firefly-zero/firefly-go/firefly"
+
+func init() {
+	firefly.Boot = boot
+	firefly.Render = render
+}
+
+var font firefly.Font
+
+func boot() {
+	font = firefly.LoadFile("font", nil).Font()
+}
+
+func render() {
+	firefly.ClearScreen(firefly.ColorWhite)
+	firefly.DrawText(
+		firefly.GetTime().String(),
+		font, firefly.Point{X: 10, Y: 60}, firefly.ColorDarkBlue,
+	)
+}

_examples/touchpad/go.mod

@@ -4,6 +4,6 @@ go 1.24.0
 
 replace github.com/firefly-zero/firefly-go => ../../
 
-require github.com/firefly-zero/firefly-go v0.12.0
+require github.com/firefly-zero/firefly-go v0.13.0
 
 require github.com/orsinium-labs/tinymath v1.2.0 // indirect

_examples/triangle/go.mod

@@ -4,6 +4,6 @@ go 1.24.0
 
 replace github.com/firefly-zero/firefly-go => ../../
 
-require github.com/firefly-zero/firefly-go v0.12.0
+require github.com/firefly-zero/firefly-go v0.13.0
 
 require github.com/orsinium-labs/tinymath v1.2.0 // indirect

firefly/bindings.go

@@ -161,6 +161,9 @@ func setSeed(seed uint32)
 //go:wasmimport misc get_random
 func getRandom() uint32
 
+//go:wasmimport misc get_time
+func getTime() uint64
+
 //go:wasmimport misc get_name
 func getName(index uint32, ptr unsafe.Pointer) uint32
 

firefly/misc.go

@@ -1,6 +1,9 @@
 package firefly
 
-import "unsafe"
+import (
+	"time"
+	"unsafe"
+)
 
 type Language uint16
 
@@ -201,6 +204,11 @@ func GetRandom() uint32 {
 	return getRandom()
 }
 
+// Get the time passed since the app was started.
+func GetTime() time.Duration {
+	return time.Duration(getTime()) * time.Microsecond
+}
+
 // Get human-readable name of the given peer.
 func GetName(p Peer) string {
 	buf := [16]byte{}

firefly/net.go

@@ -63,7 +63,9 @@ var Combined = Peer{0xFF}
 // The list of peers online.
 //
 // Can be obtained using [GetPeers].
-type Peers uint32
+type Peers struct {
+	p uint32
+}
 
 // Stash is a serialized binary state of the app that you want to persist
 // between app runs and to be available in multiplayer.
@@ -108,13 +110,13 @@ func (peers Peers) Iter() iter.Seq[Peer] {
 
 // Check if the given [Peer] is online.
 func (peers Peers) Contains(peer Peer) bool {
-	return peers>>peer.raw&1 != 0
+	return peers.p>>peer.raw&1 != 0
 }
 
 // Get how many peers are online.
 func (peers Peers) Len() int {
 	// Should be converted by TinyGo in a single wasm instruction.
-	return bits.OnesCount32(uint32(peers))
+	return bits.OnesCount32(peers.p)
 }
 
 // Get the peer corresponding to the local device.
@@ -129,7 +131,7 @@ func GetMe() Me {
 // It can be used to detect if multiplayer is active:
 // if there is more than 1 peer, you're playing with friends.
 func GetPeers() Peers {
-	return Peers(getPeers())
+	return Peers{getPeers()}
 }
 
 // Save the given [Stash].