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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) 2006 Blender Foundation.
* All rights reserved.
*
* The Original Code is: all of this file.
*
* Contributor(s): none yet.
*
* ***** END GPL LICENSE BLOCK *****
*/
/** \file blender/nodes/composite/nodes/node_composite_texture.c
* \ingroup cmpnodes
*/
#include "node_composite_util.h"
/* **************** TEXTURE ******************** */
static bNodeSocketTemplate cmp_node_texture_in[]= {
{ SOCK_VECTOR, 1, N_("Offset"), 0.0f, 0.0f, 0.0f, 0.0f, -2.0f, 2.0f, PROP_TRANSLATION},
{ SOCK_VECTOR, 1, N_("Scale"), 1.0f, 1.0f, 1.0f, 1.0f, -10.0f, 10.0f, PROP_XYZ},
{ -1, 0, "" }
};
static bNodeSocketTemplate cmp_node_texture_out[]= {
{ SOCK_FLOAT, 0, N_("Value")},
{ SOCK_RGBA, 0, N_("Color")},
{ -1, 0, "" }
};
/* called without rect allocated */
static void texture_procedural(CompBuf *cbuf, float *out, float xco, float yco)
{
bNode *node= cbuf->node;
TexResult texres= {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0, NULL};
float vec[3], *size, nor[3]={0.0f, 0.0f, 0.0f}, col[4];
int retval, type= cbuf->procedural_type;
size= cbuf->procedural_size;
vec[0]= size[0]*(xco + cbuf->procedural_offset[0]);
vec[1]= size[1]*(yco + cbuf->procedural_offset[1]);
vec[2]= size[2]*cbuf->procedural_offset[2];
retval= multitex_ext((Tex *)node->id, vec, NULL, NULL, 0, &texres);
if (type==CB_VAL) {
if (texres.talpha)
col[0]= texres.ta;
else
col[0]= texres.tin;
}
else if (type==CB_RGBA) {
if (texres.talpha)
col[3]= texres.ta;
else
col[3]= texres.tin;
if ((retval & TEX_RGB)) {
copy_v3_v3(col, &texres.tr);
}
else {
copy_v3_fl(col, col[3]);
}
}
else {
copy_v3_v3(col, nor);
}
typecheck_compbuf_color(out, col, cbuf->type, cbuf->procedural_type);
}
/* texture node outputs get a small rect, to make sure all other nodes accept it */
/* only the pixel-processor nodes do something with it though */
static void node_composit_exec_texture(void *data, bNode *node, bNodeStack **in, bNodeStack **out)
{
/* outputs: value, color, normal */
if (node->id) {
RenderData *rd= data;
short sizex, sizey;
/* first make the preview image */
CompBuf *prevbuf= alloc_compbuf(140, 140, CB_RGBA, 1); /* alloc */
prevbuf->rect_procedural= texture_procedural;
prevbuf->node= node;
copy_v3_v3(prevbuf->procedural_offset, in[0]->vec);
copy_v3_v3(prevbuf->procedural_size, in[1]->vec);
prevbuf->procedural_type= CB_RGBA;
composit1_pixel_processor(node, prevbuf, prevbuf, out[0]->vec, do_copy_rgba, CB_RGBA);
generate_preview(data, node, prevbuf);
free_compbuf(prevbuf);
/* texture procedural buffer type doesnt work well, we now render a buffer in scene size */
sizex = (rd->size*rd->xsch)/100;
sizey = (rd->size*rd->ysch)/100;
if (out[0]->hasoutput) {
CompBuf *stackbuf= alloc_compbuf(sizex, sizey, CB_VAL, 1); /* alloc */
stackbuf->rect_procedural= texture_procedural;
stackbuf->node= node;
copy_v3_v3(stackbuf->procedural_offset, in[0]->vec);
copy_v3_v3(stackbuf->procedural_size, in[1]->vec);
stackbuf->procedural_type= CB_VAL;
composit1_pixel_processor(node, stackbuf, stackbuf, out[0]->vec, do_copy_value, CB_VAL);
stackbuf->rect_procedural= NULL;
out[0]->data= stackbuf;
}
if (out[1]->hasoutput) {
CompBuf *stackbuf= alloc_compbuf(sizex, sizey, CB_RGBA, 1); /* alloc */
stackbuf->rect_procedural= texture_procedural;
stackbuf->node= node;
copy_v3_v3(stackbuf->procedural_offset, in[0]->vec);
copy_v3_v3(stackbuf->procedural_size, in[1]->vec);
stackbuf->procedural_type= CB_RGBA;
composit1_pixel_processor(node, stackbuf, stackbuf, out[0]->vec, do_copy_rgba, CB_RGBA);
stackbuf->rect_procedural= NULL;
out[1]->data= stackbuf;
}
}
}
void register_node_type_cmp_texture(bNodeTreeType *ttype)
{
static bNodeType ntype;
node_type_base(ttype, &ntype, CMP_NODE_TEXTURE, "Texture", NODE_CLASS_INPUT, NODE_OPTIONS|NODE_PREVIEW);
node_type_socket_templates(&ntype, cmp_node_texture_in, cmp_node_texture_out);
node_type_size(&ntype, 120, 80, 240);
node_type_exec(&ntype, node_composit_exec_texture);
nodeRegisterType(ttype, &ntype);
}
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