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/**
* $Id$
*
* ***** BEGIN GPL LICENSE BLOCK *****
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* The Original Code is Copyright (C) 2005 Blender Foundation.
* All rights reserved.
*
* The Original Code is: all of this file.
*
* Contributor(s): none yet.
*
* ***** END GPL LICENSE BLOCK *****
*/
#include "../SHD_util.h"
/* **************** CAMERA INFO ******************** */
static bNodeSocketType sh_node_camera_out[]= {
{ SOCK_VECTOR, 0, "View Vector", 1.0f, 0.0f, 0.0f, 0.0f, -1.0f, 1.0f}, /* None of these actually */
{ SOCK_VALUE, 0, "View Z Depth", 0.f, 0.0f, 0.0f, 0.0f, 0.0f, 99999999999.0f}, /* have any limits on their */
{ SOCK_VALUE, 0, "View Distance", 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 99999999999.0f}, /* values. */
{ -1, 0, "" }
};
static void node_shader_exec_camera(void *data, bNode *UNUSED(node), bNodeStack **UNUSED(in), bNodeStack **out)
{
if(data) {
ShadeInput *shi= ((ShaderCallData *)data)->shi; /* Data we need for shading. */
VECCOPY(out[0]->vec, shi->co); /* get view vector */
out[1]->vec[0]= fabs(shi->co[2]); /* get view z-depth */
out[2]->vec[0]= normalize_v3(out[0]->vec); /* get view distance */
}
}
static int gpu_shader_camera(GPUMaterial *mat, bNode *UNUSED(node), GPUNodeStack *in, GPUNodeStack *out)
{
return GPU_stack_link(mat, "camera", in, out, GPU_builtin(GPU_VIEW_POSITION));
}
bNodeType sh_node_camera= {
/* *next,*prev */ NULL, NULL,
/* type code */ SH_NODE_CAMERA,
/* name */ "Camera Data",
/* width+range */ 95, 95, 120,
/* class+opts */ NODE_CLASS_INPUT, 0,
/* input sock */ NULL,
/* output sock */ sh_node_camera_out,
/* storage */ "node_camera",
/* execfunc */ node_shader_exec_camera,
/* butfunc */ NULL,
/* initfunc */ NULL,
/* freestoragefunc */ NULL,
/* copystoragefunc */ NULL,
/* id */ NULL, NULL, NULL,
/* gpufunc */ gpu_shader_camera
};
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