93 lines
2.7 KiB
C
93 lines
2.7 KiB
C
/**
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* $Id$
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*
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* ***** BEGIN GPL LICENSE BLOCK *****
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* The Original Code is Copyright (C) 2006 Blender Foundation.
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* All rights reserved.
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*
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* The Original Code is: all of this file.
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*
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* Contributor(s): none yet.
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*
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* ***** END GPL LICENSE BLOCK *****
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*/
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#include "../CMP_util.h"
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/* **************** NORMAL ******************** */
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static bNodeSocketType cmp_node_normal_in[]= {
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{ SOCK_VECTOR, 1, "Normal", 0.0f, 0.0f, 0.0f, 1.0f, -1.0f, 1.0f},
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{ -1, 0, "" }
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};
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static bNodeSocketType cmp_node_normal_out[]= {
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{ SOCK_VECTOR, 0, "Normal", 0.0f, 0.0f, 1.0f, 1.0f, -1.0f, 1.0f},
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{ SOCK_VALUE, 0, "Dot", 1.0f, 0.0f, 0.0f, 1.0f, 0.0f, 1.0f},
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{ -1, 0, "" }
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};
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static void do_normal(bNode *node, float *out, float *in)
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{
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bNodeSocket *sock= node->outputs.first;
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float *nor= sock->ns.vec;
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/* render normals point inside... the widget points outside */
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out[0]= -INPR(nor, in);
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}
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/* generates normal, does dot product */
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static void node_composit_exec_normal(void *UNUSED(data), bNode *node, bNodeStack **in, bNodeStack **out)
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{
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bNodeSocket *sock= node->outputs.first;
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/* stack order input: normal */
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/* stack order output: normal, value */
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/* input no image? then only vector op */
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if(in[0]->data==NULL) {
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VECCOPY(out[0]->vec, sock->ns.vec);
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/* render normals point inside... the widget points outside */
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out[1]->vec[0]= -INPR(out[0]->vec, in[0]->vec);
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}
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else if(out[1]->hasoutput) {
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/* make output size of input image */
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CompBuf *cbuf= in[0]->data;
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CompBuf *stackbuf= alloc_compbuf(cbuf->x, cbuf->y, CB_VAL, 1); /* allocs */
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composit1_pixel_processor(node, stackbuf, in[0]->data, in[0]->vec, do_normal, CB_VEC3);
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out[1]->data= stackbuf;
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}
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}
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void register_node_type_cmp_normal(ListBase *lb)
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{
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static bNodeType ntype;
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node_type_base(&ntype, CMP_NODE_NORMAL, "Normal", NODE_CLASS_OP_VECTOR, NODE_OPTIONS,
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cmp_node_normal_in, cmp_node_normal_out);
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node_type_size(&ntype, 100, 60, 200);
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node_type_exec(&ntype, node_composit_exec_normal);
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nodeRegisterType(lb, &ntype);
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}
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