Adding modding folder with a hacked build.

modding/hacked/ss1/content/archive/level/TextureAnimationEntry.go

@@ -0,0 +1,55 @@
+package level
+
+import "fmt"
+
+const (
+	// TextureAnimationCount describes how many entries of texture animations a level can have.
+	TextureAnimationCount = 4
+
+	// TextureAnimationEntrySize is the size, in bytes, of one animation entry.
+	TextureAnimationEntrySize = 7
+)
+
+// TextureAnimationEntry describes one entry of the texture animation table.
+type TextureAnimationEntry struct {
+	FrameTime         uint16
+	CurrentFrameTime  uint16
+	CurrentFrameIndex byte
+	FrameCount        byte
+	LoopType          TextureAnimationLoopType
+}
+
+// TextureAnimationLoopType describes how a texture animation loop should advance.
+type TextureAnimationLoopType byte
+
+// String returns the textual representation.
+func (loopType TextureAnimationLoopType) String() string {
+	switch loopType {
+	case TextureAnimationForward:
+		return "Forward"
+	case TextureAnimationForthAndBack:
+		return "Forth-And-Back"
+	case TextureAnimationBackAndForth:
+		return "Back-And-Forth"
+	default:
+		return fmt.Sprintf("Unknown%02X", int(loopType))
+	}
+}
+
+const (
+	// TextureAnimationForward has the texture animation run in a linear loop.
+	TextureAnimationForward = TextureAnimationLoopType(0x00)
+	// TextureAnimationForthAndBack reverses the sequence at every end.
+	TextureAnimationForthAndBack = TextureAnimationLoopType(0x01)
+	// TextureAnimationBackAndForth reverses the sequence at every end.
+	TextureAnimationBackAndForth = TextureAnimationLoopType(0x81)
+)
+
+// TextureAnimationLoopTypes returns all constants.
+func TextureAnimationLoopTypes() []TextureAnimationLoopType {
+	return []TextureAnimationLoopType{
+		TextureAnimationForward,
+		TextureAnimationForthAndBack,
+		TextureAnimationBackAndForth,
+	}
+}