ui_node_texture.cpp

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/*
Copyright (C) 2002-2020 UFO: Alien Invasion.

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.

*/

#include "../ui_nodes.h"
#include "../ui_parse.h"
#include "../ui_behaviour.h"
#include "../ui_render.h"
#include "../../renderer/r_draw.h"
#include "ui_node_texture.h"
#include "ui_node_abstractnode.h"

#include "../../../common/scripts_lua.h"

#define EXTRADATA_TYPE 0

void uiTextureNode::draw (uiNode_t* node)
{
    vec2_t nodepos;
    const image_t* image;

    const char* imageName = UI_GetReferenceString(node, node->image);
    if (Q_strnull(imageName))
        return;

    image = UI_LoadWrappedImage(imageName);
    if (!image)
        return;

    /* avoid potential infinit loop */
    if (image->height == 0 || image->width == 0)
        return;

    UI_GetNodeAbsPos(node, nodepos);

    UI_DrawNormImage(false, nodepos[0], nodepos[1], node->box.size[0], node->box.size[1], node->box.size[0], node->box.size[1], 0, 0, image);
}

void UI_RegisterTextureNode (uiBehaviour_t* behaviour)
{
    behaviour->name = "texture";
    behaviour->manager = UINodePtr(new uiTextureNode());
    behaviour->extraDataSize = sizeof(EXTRADATA_TYPE);
    behaviour->lua_SWIG_typeinfo = UI_SWIG_TypeQuery("uiTextureNode_t *");

    /* Source of the texture */
    UI_RegisterNodeProperty(behaviour, "src", V_CVAR_OR_STRING, uiNode_t, image);
}