From 23914685f92ece1de0bb59113ac5d12f9569634a Mon Sep 17 00:00:00 2001
From: Alexander Gessler <alexander.gessler@gmx.net>
Date: Tue, 3 Jul 2012 14:59:40 +0200
Subject: [PATCH] - fbx: read textures.

---
 code/FBXDocument.h   | 70 ++++++++++++++++++++++++++++++++++++++++++++
 code/FBXMaterial.cpp | 66 ++++++++++++++++++++++++++++++++++++++++-
 2 files changed, 135 insertions(+), 1 deletion(-)

diff --git a/code/FBXDocument.h b/code/FBXDocument.h
index 7bbb4fcf8..5b99c1a94 100644
--- a/code/FBXDocument.h
+++ b/code/FBXDocument.h
@@ -112,6 +112,70 @@ protected:
 };
 
 
+
+
+/** DOM class for generic FBX textures */
+class Texture : public Object
+{
+public:
+
+	Texture(const Element& element, const Document& doc, const std::string& name);
+	~Texture();
+
+public:
+
+	const std::string& Type() const {
+		return type;
+	}
+
+	const std::string& FileName() const {
+		return fileName;
+	}
+
+	const std::string& RelativeFilename() const {
+		return relativeFileName;
+	}
+
+	const std::string& AlphaSource() const {
+		return alphaSource;
+	}
+
+	const aiVector2D& UVTranslation() const {
+		return uvTrans;
+	}
+
+	const aiVector2D& UVScaling() const {
+		return uvScaling;
+	}
+
+	const PropertyTable& Props() const {
+		ai_assert(props.get());
+		return *props.get();
+	}
+
+	// return a 4-tuple 
+	const unsigned int* Crop() const {
+		return crop;
+	}
+
+private:
+
+	aiVector2D uvTrans;
+	aiVector2D uvScaling;
+
+	std::string type;
+	std::string relativeFileName;
+	std::string fileName;
+	std::string alphaSource;
+	boost::shared_ptr<const PropertyTable> props;
+
+	unsigned int crop[4];
+};
+
+
+typedef std::fbx_unordered_map<std::string,Texture*> TextureMap;
+
+
 /** DOM class for generic FBX materials */
 class Material : public Object
 {
@@ -135,11 +199,17 @@ public:
 		return *props.get();
 	}
 
+	const TextureMap& Textures() const {
+		return textures;
+	}
+
 private:
 
 	std::string shading;
 	bool multilayer;
 	boost::shared_ptr<const PropertyTable> props;
+
+	TextureMap textures;
 };
 
 
diff --git a/code/FBXMaterial.cpp b/code/FBXMaterial.cpp
index 74761b98a..bbb00deba 100644
--- a/code/FBXMaterial.cpp
+++ b/code/FBXMaterial.cpp
@@ -39,7 +39,7 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
 
 /** @file  FBXMaterial.cpp
- *  @brief Assimp::FBX::Material implementation
+ *  @brief Assimp::FBX::Material and Assimp::FBX::Texture implementation
  */
 #include "AssimpPCH.h"
 
@@ -100,6 +100,70 @@ Material::~Material()
 {
 }
 
+// ------------------------------------------------------------------------------------------------
+Texture::Texture(const Element& element, const Document& doc, const std::string& name)
+: Object(element,name)
+, uvScaling(1.0f,1.0f)
+{
+	const Scope& sc = GetRequiredScope(element);
+
+	const Element* const Type = sc["Type"];
+	const Element* const FileName = sc["FileName"];
+	const Element* const RelativeFilename = sc["RelativeFilename"];
+	const Element* const ModelUVTranslation = sc["ModelUVTranslation"];
+	const Element* const ModelUVScaling = sc["ModelUVScaling"];
+	const Element* const Texture_Alpha_Source = sc["Texture_Alpha_Source"];
+	const Element* const Cropping = sc["Cropping"];
+
+	if(Type) {
+		type = ParseTokenAsString(GetRequiredToken(*Type,0));
+	}
+
+	if(FileName) {
+		fileName = ParseTokenAsString(GetRequiredToken(*FileName,0));
+	}
+
+	if(RelativeFilename) {
+		relativeFileName = ParseTokenAsString(GetRequiredToken(*RelativeFilename,0));
+	}
+
+	if(ModelUVTranslation) {
+		uvTrans = aiVector2D(ParseTokenAsFloat(GetRequiredToken(*ModelUVTranslation,0)),
+			ParseTokenAsFloat(GetRequiredToken(*ModelUVTranslation,1))
+		);
+	}
+
+	if(ModelUVScaling) {
+		uvScaling = aiVector2D(ParseTokenAsFloat(GetRequiredToken(*ModelUVScaling,0)),
+			ParseTokenAsFloat(GetRequiredToken(*ModelUVScaling,1))
+		);
+	}
+
+	if(Cropping) {
+		crop[0] = ParseTokenAsInt(GetRequiredToken(*Cropping,0));
+		crop[1] = ParseTokenAsInt(GetRequiredToken(*Cropping,1));
+		crop[2] = ParseTokenAsInt(GetRequiredToken(*Cropping,2));
+		crop[3] = ParseTokenAsInt(GetRequiredToken(*Cropping,3));
+	}
+	else {
+		// vc8 doesn't support the crop() syntax in initialization lists
+		// (and vc9 WARNS about the new (i.e. compliant) behaviour).
+		crop[0] = crop[1] = crop[2] = crop[3] = 0;
+	}
+
+	if(Texture_Alpha_Source) {
+		alphaSource = ParseTokenAsString(GetRequiredToken(*Texture_Alpha_Source,0));
+	}
+
+	props = GetPropertyTable(doc,"Texture.FbxFileTexture",element,sc);
+}
+
+
+Texture::~Texture()
+{
+
+}
+
 } //!FBX
 } //!Assimp