77 lines
2.5 KiB
C
77 lines
2.5 KiB
C
/*
|
|
* $Id$
|
|
*
|
|
* ***** 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 *****
|
|
*/
|
|
|
|
/** \file blender/nodes/intern/SHD_nodes/SHD_camera.c
|
|
* \ingroup shdnodes
|
|
*/
|
|
|
|
|
|
#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));
|
|
}
|
|
|
|
void register_node_type_sh_camera(ListBase *lb)
|
|
{
|
|
static bNodeType ntype;
|
|
|
|
node_type_base(&ntype, SH_NODE_CAMERA, "Camera Data", NODE_CLASS_INPUT, 0,
|
|
NULL, sh_node_camera_out);
|
|
node_type_size(&ntype, 95, 95, 120);
|
|
node_type_storage(&ntype, "node_camera", NULL, NULL);
|
|
node_type_exec(&ntype, node_shader_exec_camera);
|
|
node_type_gpu(&ntype, gpu_shader_camera);
|
|
|
|
nodeRegisterType(lb, &ntype);
|
|
}
|
|
|
|
|