Initial commit

deps/g3dlite/include/G3D/Welder.h

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+#ifndef G3D_Welder_h
+#define G3D_Welder_h
+
+#include "G3D/platform.h"
+#include "G3D/Array.h"
+#include "G3D/Vector3.h"
+#include "G3D/Vector2.h"
+
+namespace G3D {
+
+class Any;
+
+class Welder {
+private:
+
+    Welder() {}
+
+public:
+
+    class Settings {
+    public:
+        /** Surfaces with normals that are within this angle of each
+            other are considered to be curved.  Default value is toRadians(70.0f).*/
+        float   normalSmoothingAngle;
+
+        /** Default value is 0 */
+        float      vertexWeldRadius;
+
+        float      textureWeldRadius;
+
+        float      normalWeldRadius;
+
+        inline Settings(float normalSmoothAngle = toRadians(70.0f)) : 
+            normalSmoothingAngle(normalSmoothAngle),
+            vertexWeldRadius(0.001f), 
+            textureWeldRadius(0.0001f), 
+            normalWeldRadius(0.01f) {}
+
+
+        Settings(const Any& any);
+        
+        Any toAny() const;
+
+        void serialize(class BinaryOutput& b) const;
+
+        void deserialize(class BinaryInput& b);
+    };
+
+/**
+     Mutates geometry, texCoord, and indexArray so that the output has
+     collocated vertices collapsed (welded).
+
+     @param vertices Input and output
+     @param textureCoords Input and output
+     @param normals Output only
+     @param indices Input and output. This is an array of trilist indices. 
+     */
+    static void weld(
+        Array<Vector3>&     vertices,
+        Array<Vector2>&     textureCoords, 
+        Array<Vector3>&     normals,
+        Array<Array<int>*>& indices,
+        const Settings&     settings);
+
+    /**
+     Mutates geometry, texCoord, and indexArray so that the output has collocated vertices collapsed (welded).
+
+     @param vertices Input and output
+     @param textureCoords Input and output
+     @param normals Output only
+     @param indices Input and output. This is an array of trilist indices. 
+     */
+    inline static void weld(
+        Array<Vector3>&     vertices,
+        Array<Vector2>&     textureCoords, 
+        Array<Vector3>&     normals,
+        Array<int>&         indices,        
+        const Settings&     settings) {
+
+        Array<Array<int>*> meta;
+        meta.append(&indices);
+        weld(vertices, textureCoords, normals, meta, settings);
+    }
+};
+
+}
+
+#endif