add terror zones (#2)

pkg/data/data.go

@@ -41,6 +41,7 @@ type Data struct {
 	OpenMenus      OpenMenus
 	Roster         Roster
 	HoverData      HoverData
+	TerrorZones    []area.Area
 }
 
 type Room struct {

pkg/memory/game_reader.go

@@ -39,6 +39,7 @@ func (gd *GameReader) GetData() data.Data {
 		OpenMenus:   gd.openMenus(),
 		Roster:      roster,
 		HoverData:   hover,
+		TerrorZones: gd.TerrorZones(),
 	}
 
 	if playerUnitPtr == 0 {

pkg/memory/terrorzones.go

@@ -0,0 +1,18 @@
+package memory
+
+import (
+	"github.com/hectorgimenez/d2go/pkg/data/area"
+)
+
+func (gd *GameReader) TerrorZones() (areas []area.Area) {
+	tz := gd.moduleBaseAddressPtr + 0x299E2D8
+
+	for i := 0; i < 7; i++ {
+		tzArea := gd.ReadUInt(tz+uintptr(i*Uint32), Uint32)
+		if tzArea != 0 {
+			areas = append(areas, area.Area(tzArea))
+		}
+	}
+
+	return
+}