From 9329ca02ac2f58eff7ea2e149de85512dc51ce8d Mon Sep 17 00:00:00 2001
From: gered <gered@blarg.ca>
Date: Sat, 22 Dec 2012 19:12:26 -0500
Subject: [PATCH] add scale transformation support to the metadata file

---
 src/metadata/metadatafile.cpp | 18 ++++++++++++++++++
 src/metadata/metadatafile.h   |  2 ++
 2 files changed, 20 insertions(+)

diff --git a/src/metadata/metadatafile.cpp b/src/metadata/metadatafile.cpp
index 73e9f43..bbcfbb9 100644
--- a/src/metadata/metadatafile.cpp
+++ b/src/metadata/metadatafile.cpp
@@ -7,16 +7,19 @@
 #include <string>
 #include <vector>
 #include <stdio.h>
+#include <stdlib.h>
 #include <string.h>
 
 MetadataFile::MetadataFile()
 {
 	m_isLoaded = FALSE;
+	m_scale = 1.0f;
 }
 
 void MetadataFile::Release()
 {
 	m_isLoaded = FALSE;
+	m_scale = 1.0f;
 }
 
 BOOL MetadataFile::Load(const std::string &file)
@@ -109,6 +112,21 @@ BOOL MetadataFile::Load(const std::string &file)
 		m_groupInfo.push_back(groupInfo);
 	}
 	
+	pugi::xml_node transformationsNode = rootNode.child("transformations");
+	for (pugi::xml_node transformation = transformationsNode.first_child(); transformation; transformation = transformation.next_sibling())
+	{
+		std::string name = transformation.name();
+		if (name == "scale")
+		{
+			if (strlen(transformation.value()) == 0)
+			{
+				printf("Metadata XML error: no scale factor provided\n");
+				return FALSE;
+			}
+			m_scale = atof(transformation.value());
+		}
+	}
+	
 	m_isLoaded = TRUE;
 	return TRUE;
 }
diff --git a/src/metadata/metadatafile.h b/src/metadata/metadatafile.h
index e5a0925..d34321c 100644
--- a/src/metadata/metadatafile.h
+++ b/src/metadata/metadatafile.h
@@ -16,6 +16,7 @@ public:
 	void Release();
 	BOOL Load(const std::string &file);
 	
+	float GetScale() const                                 { return m_scale; }
 	uint32_t GetNumAnimations() const                      { return m_animations.size(); }
 	const AnimationSequence* GetAnimations() const         { return &m_animations[0]; }
 	uint32_t GetNumGroupInfo() const                       { return m_groupInfo.size(); }
@@ -26,6 +27,7 @@ public:
 private:
 	BOOL m_isLoaded;
 	
+	float m_scale;
 	std::vector<AnimationSequence> m_animations;
 	std::vector<ExtraGroupInfo> m_groupInfo;
 };