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path: root/source/blender/nodes/intern/SHD_nodes/SHD_material.c
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Diffstat (limited to 'source/blender/nodes/intern/SHD_nodes/SHD_material.c')
-rw-r--r--source/blender/nodes/intern/SHD_nodes/SHD_material.c287
1 files changed, 287 insertions, 0 deletions
diff --git a/source/blender/nodes/intern/SHD_nodes/SHD_material.c b/source/blender/nodes/intern/SHD_nodes/SHD_material.c
new file mode 100644
index 00000000000..2640f2979fd
--- /dev/null
+++ b/source/blender/nodes/intern/SHD_nodes/SHD_material.c
@@ -0,0 +1,287 @@
+/**
+ * $Id$
+ *
+ * ***** 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 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"
+
+/* **************** MATERIAL ******************** */
+
+static bNodeSocketType sh_node_material_in[]= {
+ { SOCK_RGBA, 1, "Color", 0.0f, 0.0f, 0.0f, 1.0f, 0.0f, 1.0f},
+ { SOCK_RGBA, 1, "Spec", 0.0f, 0.0f, 0.0f, 1.0f, 0.0f, 1.0f},
+ { SOCK_VALUE, 1, "Refl", 0.0f, 0.0f, 0.0f, 1.0f, 0.0f, 1.0f},
+ { SOCK_VECTOR, 1, "Normal", 0.0f, 0.0f, 0.0f, 1.0f, -1.0f, 1.0f},
+ { -1, 0, "" }
+};
+
+/* output socket defines */
+#define MAT_OUT_COLOR 0
+#define MAT_OUT_ALPHA 1
+#define MAT_OUT_NORMAL 2
+
+static bNodeSocketType sh_node_material_out[]= {
+ { SOCK_RGBA, 0, "Color", 0.0f, 0.0f, 0.0f, 1.0f, 0.0f, 1.0f},
+ { SOCK_VALUE, 0, "Alpha", 1.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f},
+ { SOCK_VECTOR, 0, "Normal", 0.0f, 0.0f, 0.0f, 1.0f, -1.0f, 1.0f},
+ { -1, 0, "" }
+};
+
+static void node_shader_exec_material(void *data, bNode *node, bNodeStack **in, bNodeStack **out)
+{
+ if(data && node->id) {
+ ShadeResult shrnode;
+ ShadeInput *shi;
+ ShaderCallData *shcd= data;
+ float col[4];
+
+ shi= shcd->shi;
+ shi->mat= (Material *)node->id;
+
+ /* copy all relevant material vars, note, keep this synced with render_types.h */
+ memcpy(&shi->r, &shi->mat->r, 23*sizeof(float));
+ shi->har= shi->mat->har;
+
+ /* write values */
+ if(in[MAT_IN_COLOR]->hasinput)
+ nodestack_get_vec(&shi->r, SOCK_VECTOR, in[MAT_IN_COLOR]);
+
+ if(in[MAT_IN_SPEC]->hasinput)
+ nodestack_get_vec(&shi->specr, SOCK_VECTOR, in[MAT_IN_SPEC]);
+
+ if(in[MAT_IN_REFL]->hasinput)
+ nodestack_get_vec(&shi->refl, SOCK_VALUE, in[MAT_IN_REFL]);
+
+ /* retrieve normal */
+ if(in[MAT_IN_NORMAL]->hasinput) {
+ nodestack_get_vec(shi->vn, SOCK_VECTOR, in[MAT_IN_NORMAL]);
+ Normalise(shi->vn);
+ }
+ else
+ VECCOPY(shi->vn, shi->vno);
+
+ /* custom option to flip normal */
+ if(node->custom1 & SH_NODE_MAT_NEG) {
+ shi->vn[0]= -shi->vn[0];
+ shi->vn[1]= -shi->vn[1];
+ shi->vn[2]= -shi->vn[2];
+ }
+
+ node_shader_lamp_loop(shi, &shrnode); /* clears shrnode */
+
+ /* write to outputs */
+ if(node->custom1 & SH_NODE_MAT_DIFF) {
+ VECCOPY(col, shrnode.combined);
+ if(!(node->custom1 & SH_NODE_MAT_SPEC)) {
+ VecSubf(col, col, shrnode.spec);
+ }
+ }
+ else if(node->custom1 & SH_NODE_MAT_SPEC) {
+ VECCOPY(col, shrnode.spec);
+ }
+ else
+ col[0]= col[1]= col[2]= 0.0f;
+
+ col[3]= shrnode.alpha;
+
+ if(shi->do_preview)
+ nodeAddToPreview(node, col, shi->xs, shi->ys);
+
+ VECCOPY(out[MAT_OUT_COLOR]->vec, col);
+ out[MAT_OUT_ALPHA]->vec[0]= shrnode.alpha;
+
+ if(node->custom1 & SH_NODE_MAT_NEG) {
+ shi->vn[0]= -shi->vn[0];
+ shi->vn[1]= -shi->vn[1];
+ shi->vn[2]= -shi->vn[2];
+ }
+
+ VECCOPY(out[MAT_OUT_NORMAL]->vec, shi->vn);
+
+ /* copy passes, now just active node */
+ if(node->flag & NODE_ACTIVE_ID)
+ *(shcd->shr)= shrnode;
+ }
+}
+
+static void node_mat_alone_cb(void *node_v, void *unused)
+{
+ bNode *node= node_v;
+
+ node->id= (ID *)copy_material((Material *)node->id);
+
+ BIF_undo_push("Single user material");
+ allqueue(REDRAWBUTSSHADING, 0);
+ allqueue(REDRAWNODE, 0);
+ allqueue(REDRAWOOPS, 0);
+}
+
+static void node_browse_mat_cb(void *ntree_v, void *node_v)
+{
+ bNodeTree *ntree= ntree_v;
+ bNode *node= node_v;
+
+ if(node->menunr<1) return;
+
+ if(node->menunr==32767) { /* code for Add New */
+ if(node->id) {
+ /* make copy, but make sure it doesnt have the node tag nor nodes */
+ Material *ma= (Material *)node->id;
+ ma->id.us--;
+ ma= copy_material(ma);
+ ma->use_nodes= 0;
+ if(ma->nodetree) {
+ ntreeFreeTree(ma->nodetree);
+ MEM_freeN(ma->nodetree);
+ }
+ ma->nodetree= NULL;
+ node->id= (ID *)ma;
+ }
+ else node->id= (ID *)add_material("MatNode");
+ }
+ else {
+ if(node->id) node->id->us--;
+ node->id= BLI_findlink(&G.main->mat, node->menunr-1);
+ id_us_plus(node->id);
+ }
+ BLI_strncpy(node->name, node->id->name+2, 21);
+
+ nodeSetActive(ntree, node);
+
+ allqueue(REDRAWBUTSSHADING, 0);
+ allqueue(REDRAWNODE, 0);
+ BIF_preview_changed(ID_MA);
+
+ node->menunr= 0;
+}
+
+static void node_new_mat_cb(void *ntree_v, void *node_v)
+{
+ bNodeTree *ntree= ntree_v;
+ bNode *node= node_v;
+
+ node->id= (ID *)add_material("MatNode");
+ BLI_strncpy(node->name, node->id->name+2, 21);
+
+ nodeSetActive(ntree, node);
+
+ allqueue(REDRAWBUTSSHADING, 0);
+ allqueue(REDRAWNODE, 0);
+ BIF_preview_changed(ID_MA);
+
+}
+static int node_shader_buts_material(uiBlock *block, bNodeTree *ntree, bNode *node, rctf *butr)
+{
+ if(block) {
+ uiBut *bt;
+ short dx= (short)((butr->xmax-butr->xmin)/3.0f), has_us= (node->id && node->id->us>1);
+ short dy= (short)butr->ymin;
+ char *strp;
+
+ /* WATCH IT: we use this callback in material buttons, but then only want first row */
+ if(butr->ymax-butr->ymin > 21.0f) dy+= 19;
+
+ uiBlockBeginAlign(block);
+ if(node->id==NULL) uiBlockSetCol(block, TH_REDALERT);
+ else if(has_us) uiBlockSetCol(block, TH_BUT_SETTING1);
+ else uiBlockSetCol(block, TH_BUT_SETTING2);
+
+ /* browse button */
+ IDnames_to_pupstring(&strp, NULL, "ADD NEW %x32767", &(G.main->mat), NULL, NULL);
+ node->menunr= 0;
+ bt= uiDefButS(block, MENU, B_NOP, strp,
+ butr->xmin, dy, 19, 19,
+ &node->menunr, 0, 0, 0, 0, "Browses existing choices or adds NEW");
+ uiButSetFunc(bt, node_browse_mat_cb, ntree, node);
+ if(strp) MEM_freeN(strp);
+
+ /* Add New button */
+ if(node->id==NULL) {
+ bt= uiDefBut(block, BUT, B_NOP, "Add New",
+ butr->xmin+19, dy, (short)(butr->xmax-butr->xmin-19.0f), 19,
+ NULL, 0.0, 0.0, 0, 0, "Add new Material");
+ uiButSetFunc(bt, node_new_mat_cb, ntree, node);
+ uiBlockSetCol(block, TH_AUTO);
+ }
+ else {
+ /* name button */
+ short width= (short)(butr->xmax-butr->xmin-19.0f - (has_us?19.0f:0.0f));
+ bt= uiDefBut(block, TEX, B_NOP, "MA:",
+ butr->xmin+19, dy, width, 19,
+ node->id->name+2, 0.0, 19.0, 0, 0, "Material name");
+ uiButSetFunc(bt, node_ID_title_cb, node, NULL);
+
+ /* user amount */
+ if(has_us) {
+ char str1[32];
+ sprintf(str1, "%d", node->id->us);
+ bt= uiDefBut(block, BUT, B_NOP, str1,
+ butr->xmax-19, dy, 19, 19,
+ NULL, 0, 0, 0, 0, "Displays number of users. Click to make a single-user copy.");
+ uiButSetFunc(bt, node_mat_alone_cb, node, NULL);
+ }
+
+ /* WATCH IT: we use this callback in material buttons, but then only want first row */
+ if(butr->ymax-butr->ymin > 21.0f) {
+ /* node options */
+ uiBlockSetCol(block, TH_AUTO);
+ uiDefButBitS(block, TOG, SH_NODE_MAT_DIFF, B_NODE_EXEC+node->nr, "Diff",
+ butr->xmin, butr->ymin, dx, 19,
+ &node->custom1, 0, 0, 0, 0, "Material Node outputs Diffuse");
+ uiDefButBitS(block, TOG, SH_NODE_MAT_SPEC, B_NODE_EXEC+node->nr, "Spec",
+ butr->xmin+dx, butr->ymin, dx, 19,
+ &node->custom1, 0, 0, 0, 0, "Material Node outputs Specular");
+ uiDefButBitS(block, TOG, SH_NODE_MAT_NEG, B_NODE_EXEC+node->nr, "Neg Normal",
+ butr->xmax-dx, butr->ymin, dx, 19,
+ &node->custom1, 0, 0, 0, 0, "Material Node uses inverted Normal");
+ }
+ }
+ uiBlockEndAlign(block);
+ }
+ return 38;
+}
+
+static void node_shader_init_material(bNode* node)
+{
+ node->custom1= SH_NODE_MAT_DIFF|SH_NODE_MAT_SPEC;
+}
+
+
+bNodeType sh_node_material= {
+ /* type code */ SH_NODE_MATERIAL,
+ /* name */ "Material",
+ /* width+range */ 120, 80, 240,
+ /* class+opts */ NODE_CLASS_INPUT, NODE_OPTIONS|NODE_PREVIEW,
+ /* input sock */ sh_node_material_in,
+ /* output sock */ sh_node_material_out,
+ /* storage */ "",
+ /* execfunc */ node_shader_exec_material,
+ /* butfunc */ node_shader_buts_material,
+ /* initfunc */ node_shader_init_material
+
+};
+
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