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/*
* 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.
*/
/** \file blender/nodes/texture/nodes/node_texture_curves.c
* \ingroup texnodes
*/
#include "node_texture_util.h"
#include "NOD_texture.h"
/* **************** CURVE Time ******************** */
/* custom1 = sfra, custom2 = efra */
static bNodeSocketTemplate time_outputs[] = {
{ SOCK_FLOAT, 0, N_("Value") },
{ -1, 0, "" }
};
static void time_colorfn(float *out, TexParams *p, bNode *node, bNodeStack **UNUSED(in), short UNUSED(thread))
{
/* stack order output: fac */
float fac = 0.0f;
if (node->custom1 < node->custom2)
fac = (p->cfra - node->custom1) / (float)(node->custom2 - node->custom1);
curvemapping_initialize(node->storage);
fac = curvemapping_evaluateF(node->storage, 0, fac);
out[0] = CLAMPIS(fac, 0.0f, 1.0f);
}
static void time_exec(void *data, int UNUSED(thread), bNode *node, bNodeExecData *execdata, bNodeStack **in, bNodeStack **out)
{
tex_output(node, execdata, in, out[0], &time_colorfn, data);
}
static void time_init(bNodeTree *UNUSED(ntree), bNode *node)
{
node->custom1 = 1;
node->custom2 = 250;
node->storage = curvemapping_add(1, 0.0f, 0.0f, 1.0f, 1.0f);
}
void register_node_type_tex_curve_time(void)
{
static bNodeType ntype;
tex_node_type_base(&ntype, TEX_NODE_CURVE_TIME, "Time", NODE_CLASS_INPUT, 0);
node_type_socket_templates(&ntype, NULL, time_outputs);
node_type_size_preset(&ntype, NODE_SIZE_LARGE);
node_type_init(&ntype, time_init);
node_type_storage(&ntype, "CurveMapping", node_free_curves, node_copy_curves);
node_type_exec(&ntype, node_initexec_curves, NULL, time_exec);
nodeRegisterType(&ntype);
}
/* **************** CURVE RGB ******************** */
static bNodeSocketTemplate rgb_inputs[] = {
{ SOCK_RGBA, 1, N_("Color"), 0.0f, 0.0f, 0.0f, 1.0f},
{ -1, 0, "" }
};
static bNodeSocketTemplate rgb_outputs[] = {
{ SOCK_RGBA, 0, N_("Color")},
{ -1, 0, ""}
};
static void rgb_colorfn(float *out, TexParams *p, bNode *node, bNodeStack **in, short thread)
{
float cin[4];
tex_input_rgba(cin, in[0], p, thread);
curvemapping_evaluateRGBF(node->storage, out, cin);
out[3] = cin[3];
}
static void rgb_exec(void *data, int UNUSED(thread), bNode *node, bNodeExecData *execdata, bNodeStack **in, bNodeStack **out)
{
tex_output(node, execdata, in, out[0], &rgb_colorfn, data);
}
static void rgb_init(bNodeTree *UNUSED(ntree), bNode *node)
{
node->storage = curvemapping_add(4, 0.0f, 0.0f, 1.0f, 1.0f);
}
void register_node_type_tex_curve_rgb(void)
{
static bNodeType ntype;
tex_node_type_base(&ntype, TEX_NODE_CURVE_RGB, "RGB Curves", NODE_CLASS_OP_COLOR, 0);
node_type_socket_templates(&ntype, rgb_inputs, rgb_outputs);
node_type_size_preset(&ntype, NODE_SIZE_LARGE);
node_type_init(&ntype, rgb_init);
node_type_storage(&ntype, "CurveMapping", node_free_curves, node_copy_curves);
node_type_exec(&ntype, node_initexec_curves, NULL, rgb_exec);
nodeRegisterType(&ntype);
}
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