범용성을 목적으로 LazyVarUpdater를 분리

2018-09-02 17:25:04 +09:00
parent f412b7e734
commit 78955a1540
4 changed files with 83 additions and 81 deletions
@@ -0,0 +1,79 @@
+<?php
+namespace sammo;
+
+trait LazyVarUpdater{
+    protected $raw = [];
+    protected $updatedVar = [];
+
+    function getRaw():array{
+        return $this->raw;
+    }
+
+    function updateVar(string $key, $value){
+        if($this->raw[$key] === $value){
+            return;
+        }
+        if(!key_exists($key, $this->updatedVar)){
+            $this->updatedVar[$key] = $this->raw[$key];
+        }
+        $this->raw[$key] = $value;
+    }
+
+    function updateVarWithLimit(string $key, $value, $min = null, $max = null){
+        if($min !== null && $value < $min){
+            $value = $min;
+        }
+        if($max !== null && $value > $max){
+            $value = $max;
+        }
+        $this->updateVar($key, $value);
+    }
+
+    function increaseVar(string $key, $value)
+    {
+        if($value === 0){
+            return;
+        }
+        $targetValue = $this->raw[$key] + $value;
+        $this->updateVar($key, $targetValue);
+    }
+
+    function increaseVarWithLimit(string $key, $value, $min = null, $max = null){
+        $targetValue = $this->raw[$key] + $value;
+        if($min !== null && $targetValue < $min){
+            $targetValue = $min;
+        }
+        if($max !== null && $targetValue > $max){
+            $targetValue = $max;
+        }
+        $this->updateVar($key, $targetValue);
+    }
+
+    function multiplyVar(string $key, $value)
+    {
+        if($value === 1){
+            return;
+        }
+        $targetValue = $this->raw[$key] * $value;
+        $this->updateVar($key, $targetValue);
+    }
+
+    function multiplyVarWithLimit(string $key, $value, $min = null, $max = null){
+        $targetValue = $this->raw[$key] * $value;
+        if($min !== null && $targetValue < $min){
+            $targetValue = $min;
+        }
+        if($max !== null && $targetValue > $max){
+            $targetValue = $max;
+        }
+        $this->updateVar($key, $targetValue);
+    }
+
+    function getUpdatedValues():array {
+        $updateVals = [];
+        foreach(array_keys($this->updatedVar) as $key){
+            $updateVals[$key] = $this->raw[$key];
+        }
+        return $updateVals;
+    }
+}