Adding modding folder with a hacked build.

modding/hacked/ss1/resource/Identifier.go

@@ -0,0 +1,47 @@
+package resource
+
+import (
+	"fmt"
+	"sort"
+)
+
+// ID represents an integer key of resources.
+type ID uint16
+
+// Value returns the numerical value of the identifier.
+func (id ID) Value() uint16 {
+	return uint16(id)
+}
+
+// Plus adds the given offset and returns the resulting ID.
+func (id ID) Plus(offset int) ID {
+	return ID(int(id) + offset)
+}
+
+// String returns the textual representation.
+func (id ID) String() string {
+	return fmt.Sprintf("%04X", uint16(id))
+}
+
+// IDMarkerMap is used to collect IDs.
+type IDMarkerMap struct {
+	ids map[ID]struct{}
+}
+
+// Add adds the given ID to the map.
+func (marker *IDMarkerMap) Add(id ID) {
+	if marker.ids == nil {
+		marker.ids = make(map[ID]struct{})
+	}
+	marker.ids[id] = struct{}{}
+}
+
+// ToList converts the map to a de-duplicated list.
+func (marker IDMarkerMap) ToList() []ID {
+	result := make([]ID, 0, len(marker.ids))
+	for id := range marker.ids {
+		result = append(result, id)
+	}
+	sort.Slice(result, func(a, b int) bool { return result[a] < result[b] })
+	return result
+}