From cb3716ffb584fe0f593b6f1669a8efdba1305104 Mon Sep 17 00:00:00 2001
From: David Walter Seikel
Date: Tue, 29 Mar 2016 02:16:55 +1000
Subject: Added my version of libg3d and friends.

---
 .../plugins/import/imp_acf/imp_acf_wing.c          | 79 ++++++++++++++++++++++
 1 file changed, 79 insertions(+)
 create mode 100644 src/others/mimesh/libg3d-0.0.8/plugins/import/imp_acf/imp_acf_wing.c

(limited to 'src/others/mimesh/libg3d-0.0.8/plugins/import/imp_acf/imp_acf_wing.c')

diff --git a/src/others/mimesh/libg3d-0.0.8/plugins/import/imp_acf/imp_acf_wing.c b/src/others/mimesh/libg3d-0.0.8/plugins/import/imp_acf/imp_acf_wing.c
new file mode 100644
index 0000000..fd144e5
--- /dev/null
+++ b/src/others/mimesh/libg3d-0.0.8/plugins/import/imp_acf/imp_acf_wing.c
@@ -0,0 +1,79 @@
+/* $Id$ */
+
+/*
+    libg3d - 3D object loading library
+
+    Copyright (C) 2005-2009  Markus Dahms <mad@automagically.de>
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Lesser General Public
+    License as published by the Free Software Foundation; either
+    version 2.1 of the License, or (at your option) any later version.
+
+    This library is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+    Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public
+    License along with this library; if not, write to the Free Software
+    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+*/
+#include <string.h>
+
+#include <g3d/types.h>
+#include <g3d/face.h>
+#include <g3d/vector.h>
+
+#include "imp_acf_airfoil.h"
+
+G3DObject *acf_wing(G3DMaterial *material, const gchar *name,
+	G3DFloat *msweep, G3DFloat *mdihed, G3DFloat *mtrans,
+	G3DFloat *vrt, G3DFloat *vtp,
+	AcfAirfoil *aflrt, AcfAirfoil *afltp,
+	G3DFloat wrt, G3DFloat wtp, G3DFloat lf)
+{
+	G3DObject *object;
+	G3DFace *face;
+	guint32 nverts;
+	gint32 i;
+	G3DFloat vec[3];
+
+	nverts = aflrt->vertex_count;
+
+	object = g_new0(G3DObject, 1);
+	object->name = g_strdup(name);
+	object->vertex_count = nverts * 2;
+	object->vertex_data = g_new0(G3DFloat, object->vertex_count * 3);
+
+	/* vertices */
+	for(i = 0; i < nverts; i ++) {
+		/* wing root */
+		vec[2] = aflrt->vertex_data[i * 2 + 0] * wrt;
+		vec[1] = aflrt->vertex_data[i * 2 + 1] * wrt;
+		vec[0] = 0.0;
+		g3d_vector_transform(vec, vec + 1, vec + 2, mdihed);
+		g3d_vector_transform(vec, vec + 1, vec + 2, mtrans);
+		memcpy(object->vertex_data + i * 3, vec, sizeof(vec));
+
+		/* wing tip */
+		vec[2] = afltp->vertex_data[i * 2 + 0] * wtp;
+		vec[1] = afltp->vertex_data[i * 2 + 1] * wtp;
+		vec[0] = 0.0;
+		g3d_vector_transform(vec, vec + 1, vec + 2, mdihed);
+		g3d_vector_transform(vec, vec + 1, vec + 2, mtrans);
+		vec[0] += lf * vtp[0];
+		vec[1] += lf * vtp[1];
+		vec[2] += lf * vtp[2];
+		memcpy(object->vertex_data + (i + nverts) * 3, vec, sizeof(vec));
+	}
+	/* faces */
+	for(i = 0; i < (nverts - 1); i ++) {
+		face = g3d_face_new_tri(material, i + 1, i, i + nverts);
+		object->faces = g_slist_prepend(object->faces, face);
+		face = g3d_face_new_tri(material, i + 1, i + nverts + 1, i + nverts);
+		object->faces = g_slist_prepend(object->faces, face);
+	}
+
+	return object;
+}
-- 
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