Differential D24 Diff 48 source/blender/nodes/shader/nodes/node_shader_lamp.c

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source/blender/nodes/shader/nodes/node_shader_lamp.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 ***
				*/

				/** \file blender/nodes/shader/nodes/node_shader_lamp.c
				* \ingroup shdnodes
				*/


				#include "node_shader_util.h"

				/* ************** LAMP INFO ****************** */
				static bNodeSocketTemplate sh_node_lamp_out[] = {
				{ SOCK_RGBA, 0, N_("Color")},
				{ SOCK_VECTOR, 0, N_("Light Vector")},
				{ SOCK_FLOAT, 0, N_("Distance")},
				{ SOCK_RGBA, 0, N_("Shadow")},
				{ SOCK_FLOAT, 0, N_("Visibility Factor")},
				{ -1, 0, "" }
				};


				static void node_shader_exec_lamp(void data, int UNUSED(thread), bNode node, bNodeExecData UNUSED(execdata), bNodeStack UNUSED(in), bNodeStack *out)
				{
				if (data) {
				Object ob = (Object )node->id;

				if (ob) {
				ShadeInput shi = ((ShaderCallData )data)->shi;

				shi->nodes = 1; /* temp hack to prevent trashadow recursion */
				out[4]->vec[0] = lamp_get_info(shi, ob, out[0]->vec, out[1]->vec, out[2]->vec, out[3]->vec);
				shi->nodes = 0;
				}
				}
				}

				static int gpu_shader_lamp(GPUMaterial mat, bNode node, bNodeExecData UNUSED(execdata), GPUNodeStack in, GPUNodeStack *out)
				{
				if (node->id) {
				GPULamp lamp = GPU_lamp_from_blender(GPU_material_scene(mat), (Object )node->id, NULL);
				GPUNodeLink col, lv, dist, visifac, *shadfac;

				visifac = GPU_lamp_get_info(mat, lamp, &col, &lv, &dist, &shadfac);

				return GPU_stack_link(mat, "lamp", in, out, col, lv, dist, shadfac, visifac);
				}

				return 0;
				}

				void register_node_type_sh_lamp(void)
				{
				static bNodeType ntype;

				sh_node_type_base(&ntype, SH_NODE_LAMP, "Lamp Data", NODE_CLASS_INPUT, 0);
				node_type_compatibility(&ntype, NODE_OLD_SHADING);
				node_type_socket_templates(&ntype, NULL, sh_node_lamp_out);
				node_type_exec(&ntype, NULL, NULL, node_shader_exec_lamp);
				node_type_gpu(&ntype, gpu_shader_lamp);

				nodeRegisterType(&ntype);
				}