node_shader_tex_wave.c

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/*
 * ***** 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 "../node_shader_util.h"

/* **************** WAVE ******************** */

static bNodeSocketTemplate sh_node_tex_wave_in[]= {
    {   SOCK_VECTOR, 1, "Vector",       0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, PROP_NONE, SOCK_HIDE_VALUE},
    {   SOCK_FLOAT, 1, "Scale",         5.0f, 0.0f, 0.0f, 0.0f, -1000.0f, 1000.0f},
    {   SOCK_FLOAT, 1, "Distortion",    0.0f, 0.0f, 0.0f, 0.0f, -1000.0f, 1000.0f},
    {   SOCK_FLOAT, 1, "Detail",        2.0f, 0.0f, 0.0f, 0.0f, 0.0f, 16.0f},
    {   SOCK_FLOAT, 1, "Detail Scale",  1.0f, 0.0f, 0.0f, 0.0f, -1000.0f, 1000.0f},
    {   -1, 0, ""   }
};

static bNodeSocketTemplate sh_node_tex_wave_out[]= {
    {   SOCK_RGBA, 0, "Color",      0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f},
    {   SOCK_FLOAT, 0, "Fac",       0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f},
    {   -1, 0, ""   }
};

static void node_shader_init_tex_wave(bNodeTree *UNUSED(ntree), bNode* node, bNodeTemplate *UNUSED(ntemp))
{
    NodeTexWave *tex = MEM_callocN(sizeof(NodeTexWave), "NodeTexWave");
    default_tex_mapping(&tex->base.tex_mapping);
    default_color_mapping(&tex->base.color_mapping);
    tex->wave_type = SHD_WAVE_BANDS;

    node->storage = tex;
}

static int node_shader_gpu_tex_wave(GPUMaterial *mat, bNode *node, GPUNodeStack *in, GPUNodeStack *out)
{
    if(!in[0].link)
        in[0].link = GPU_attribute(CD_ORCO, "");

    node_shader_gpu_tex_mapping(mat, node, in, out);

    return GPU_stack_link(mat, "node_tex_wave", in, out);
}

/* node type definition */
void register_node_type_sh_tex_wave(bNodeTreeType *ttype)
{
    static bNodeType ntype;

    node_type_base(ttype, &ntype, SH_NODE_TEX_WAVE, "Wave Texture", NODE_CLASS_TEXTURE, NODE_OPTIONS);
    node_type_compatibility(&ntype, NODE_NEW_SHADING);
    node_type_socket_templates(&ntype, sh_node_tex_wave_in, sh_node_tex_wave_out);
    node_type_size(&ntype, 150, 60, 200);
    node_type_init(&ntype, node_shader_init_tex_wave);
    node_type_storage(&ntype, "NodeTexWave", node_free_standard_storage, node_copy_standard_storage);
    node_type_exec(&ntype, NULL);
    node_type_gpu(&ntype, node_shader_gpu_tex_wave);

    nodeRegisterType(ttype, &ntype);
}