Adding modding folder with a hacked build.

2026-09-26 08:53:08 +02:00
parent cdb960dc71
commit c91080aba7
755 changed files with 50424 additions and 0 deletions
@@ -0,0 +1,84 @@
+package compression
+
+import (
+	"io"
+
+	"github.com/inkyblackness/hacked/ss1/serial"
+)
+
+type compressor struct {
+	coder  serial.Coder
+	writer *WordWriter
+
+	dictBuffer     dictEntryBuffer
+	overtime       int
+	dictionary     *dictEntry
+	dictionarySize int
+	curEntry       *dictEntry
+}
+
+// NewCompressor creates a new compressor instance over a writer.
+func NewCompressor(target io.Writer) io.WriteCloser {
+	coder := serial.NewEncoder(target)
+	obj := &compressor{
+		coder:          coder,
+		writer:         NewWordWriter(coder),
+		dictionary:     rootDictEntry(),
+		dictionarySize: 0,
+		overtime:       0}
+
+	obj.resetDictionary()
+
+	return obj
+}
+
+func (obj *compressor) resetDictionary() {
+	obj.dictionarySize = 0
+	for i := 0; i < 0x100; i++ {
+		obj.dictionary.Add(byte(i), Word(i), obj.dictBuffer.entry(Word(i)))
+	}
+	obj.curEntry = obj.dictionary
+}
+
+func (obj *compressor) Close() error {
+	obj.writer.Write(obj.curEntry.key)
+	obj.writer.Close()
+
+	return obj.coder.FirstError()
+}
+
+func (obj *compressor) Write(p []byte) (n int, err error) {
+	for _, input := range p {
+		obj.addByte(input)
+	}
+
+	return len(p), obj.coder.FirstError()
+}
+
+func (obj *compressor) addByte(value byte) {
+	nextEntry := obj.curEntry.next[int(value)]
+	if nextEntry != nil {
+		obj.curEntry = nextEntry
+	} else {
+		obj.writer.Write(obj.curEntry.key)
+
+		key := Word(int(literalLimit) + obj.dictionarySize)
+		if key < Reset {
+			obj.curEntry.Add(value, key, obj.dictBuffer.entry(key))
+			obj.dictionarySize++
+		} else {
+			obj.onKeySaturation()
+		}
+
+		obj.curEntry = obj.dictionary.next[value]
+	}
+}
+
+func (obj *compressor) onKeySaturation() {
+	obj.overtime++
+	if obj.overtime > 1000 {
+		obj.writer.Write(Reset)
+		obj.resetDictionary()
+		obj.overtime = 0
+	}
+}