Added waypoint pattern scan (#80)

Co-authored-by: Arto Simonyan <artosimonyan@protonmail.com>

pkg/memory/offset.go

@@ -13,6 +13,7 @@ type Offset struct {
 	RosterOffset                uintptr
 	PanelManagerContainerOffset uintptr
 	WidgetStatesOffset          uintptr
+	WaypointsOffset             uintptr
 	FPS                         uintptr
 }
 
@@ -60,11 +61,17 @@ func calculateOffsets(process Process) Offset {
 	WidgetStatesPtr := process.ReadUInt(pattern+3, Uint32)
 	WidgetStatesOffset := pattern - process.moduleBaseAddressPtr + 7 + uintptr(WidgetStatesPtr)
 
+	// Waypoints
+	pattern = process.FindPattern(memory, "\x48\x89\x05\x00\x00\x00\x00\x0F\x11\x00", "xxx????xxx")
+	offsetBuffer := process.ReadUInt(pattern+3, Uint32)
+	WaypointsOffset := pattern - process.moduleBaseAddressPtr + 23 + uintptr(offsetBuffer)
+
 	// FPS
 	pattern = process.FindPattern(memory, "\x8B\x1D\x00\x00\x00\x00\x48\x8D\x05\x00\x00\x00\x00\x48\x8D\x4C\x24\x40", "xx????xxx????xxxxx")
 	fpsOffsetPtr := uintptr(process.ReadUInt(pattern+2, Uint32))
 	fpsOffset := pattern - process.moduleBaseAddressPtr + 6 + fpsOffsetPtr
 
+
 	return Offset{
 		GameData:                    gameDataOffset,
 		UnitTable:                   unitTableOffset,
@@ -74,6 +81,7 @@ func calculateOffsets(process Process) Offset {
 		RosterOffset:                rosterOffset,
 		PanelManagerContainerOffset: panelManagerContainerOffset,
 		WidgetStatesOffset:          WidgetStatesOffset,
+		WaypointsOffset:             WaypointsOffset,
 		FPS:                         fpsOffset,
 	}
 }

pkg/memory/player.go

@@ -92,7 +92,7 @@ func (gd *GameReader) GetPlayerUnit(mainPlayerUnit RawPlayerUnit) data.PlayerUni
 
 	availableWPs := make([]area.ID, 0)
 	// Probably there is a better place to pick up those values, since this seems to be very tied to the UI
-	wpList := gd.Process.ReadBytesFromMemory(gd.moduleBaseAddressPtr+0x2186420, 0x48)
+	wpList := gd.Process.ReadBytesFromMemory(gd.moduleBaseAddressPtr+gd.offset.WaypointsOffset, 0x48)
 	for i := 0; i < 0x48; i = i + 8 {
 		a := binary.LittleEndian.Uint32(wpList[i : i+4])
 		available := binary.LittleEndian.Uint32(wpList[i+4 : i+8])