X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fvertexbuilder.h;h=55f914a31a24b7400b7efbe9b786d32940fa882c;hb=a40fc85277dba5c34402a0e703d038efd30cc57b;hp=e7f9b13231797cecd77a553bf7d90eb8f8811645;hpb=4443707c752ab8ee288f1c22be08cf82f27439d7;p=libs%2Fgl.git

diff --git a/source/vertexbuilder.h b/source/vertexbuilder.h
index e7f9b132..55f914a3 100644
--- a/source/vertexbuilder.h
+++ b/source/vertexbuilder.h
@@ -1,16 +1,11 @@
-/* $Id$
-
-This file is part of libmspgl
-Copyright © 2007, 2009-2010  Mikko Rasa, Mikkosoft Productions
-Distributed under the LGPL
-*/
-
 #ifndef MSP_GL_VERTEXBUILDER_H_
 #define MSP_GL_VERTEXBUILDER_H_
 
 #include <map>
 #include "color.h"
+#include "matrix.h"
 #include "vector.h"
+#include "vertexformat.h"
 
 namespace Msp {
 namespace GL {
@@ -26,11 +21,39 @@ data.  Attributes can be read from protected member variables.
 */
 class VertexBuilder
 {
+public:
+	class PushMatrix
+	{
+	private:
+		VertexBuilder &bld;
+		Matrix mtx;
+
+	public:
+		PushMatrix(VertexBuilder &b): bld(b), mtx(bld.mtx) { }
+		~PushMatrix() { bld.mtx = mtx; }
+	};
+
+protected:
+	Matrix mtx;
+	Vector3 nor;
+	Color col;
+	std::map<unsigned, Vector4> texc;
+	std::map<unsigned, Vector4> attr;
+
 public:
 	VertexBuilder(): nor(0, 0, 1) { }
 
 	virtual ~VertexBuilder() { }
 
+	void set_matrix(const Matrix &m)
+	{ mtx = m; }
+
+	void transform(const Matrix &m)
+	{ mtx *= m; }
+
+	const Matrix &get_matrix() const
+	{ return mtx; }
+
 	void vertex(float x, float y)
 	{ vertex(x, y, 0, 1); }
 
@@ -38,20 +61,44 @@ public:
 	{ vertex(x, y, z, 1); }
 
 	void vertex(float x, float y, float z, float w)
-	{ vertex_(x, y, z, w); }
+	{ vertex(Vector4(x, y, z, w)); }
+
+	void vertex(const Vector3 &v)
+	{ vertex(Vector4(v.x, v.y, v.z, 1)); }
 
 	void vertex(const Vector4 &v)
-	{ vertex(v.x, v.y, v.z, v.w); }
+	{ vertex_(mtx*v); }
 
 protected:
-	virtual void vertex_(float x, float y, float z, float w) =0;
+	virtual void vertex_(const Vector4 &) = 0;
 
 public:
 	void normal(float x, float y, float z)
 	{ normal(Vector3(x, y, z)); }
 
 	void normal(const Vector3 &n)
-	{ nor = n; }
+	{
+		Vector4 tn = mtx*Vector4(n.x, n.y, n.z, 0);
+		nor = Vector3(tn.x, tn.y, tn.z);
+	}
+
+	void tangent(float x, float y, float z)
+	{ tangent(Vector3(x, y, z)); }
+
+	void tangent(const Vector3 &t)
+	{
+		Vector4 tt = mtx*Vector4(t.x, t.y, t.z, 0);
+		attrib(get_component_type(TANGENT3), tt);
+	}
+
+	void binormal(float x, float y, float z)
+	{ binormal(Vector3(x, y, z)); }
+
+	void binormal(const Vector3 &b)
+	{
+		Vector4 tb = mtx*Vector4(b.x, b.y, b.z, 0);
+		attrib(get_component_type(BINORMAL3), tb);
+	}
 
 	void texcoord(float s)
 	{ texcoord(s, 0, 0, 1); }
@@ -112,12 +159,6 @@ public:
 
 	void attrib(unsigned i, const Vector4 &a)
 	{ attr[i] = a; }
-
-protected:
-	Vector3 nor;
-	Color col;
-	std::map<unsigned, Vector4> texc;
-	std::map<unsigned, Vector4> attr;
 };
 
 } // namespace GL