scene_lights_xml_parser.h

/* ScummVM - Graphic Adventure Engine
 *
 * ScummVM is the legal property of its developers, whose names
 * are too numerous to list here. Please refer to the COPYRIGHT
 * file distributed with this source distribution.
 *
 * 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 3 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, see <http://www.gnu.org/licenses/>.
 *
 */

#ifndef TETRAEDGE_GAME_SCENE_LIGHTS_XML_PARSER_H
#define TETRAEDGE_GAME_SCENE_LIGHTS_XML_PARSER_H

#include "common/formats/xmlparser.h"
#include "tetraedge/te/te_light.h"
#include "tetraedge/te/te_vector3f32.h"
#include "tetraedge/te/te_xml_parser.h"

namespace Tetraedge {

class SceneLightsXmlParser : public TeXmlParser {
public:
    SceneLightsXmlParser(Common::Array<Common::SharedPtr<TeLight>> *lights) :
        _lights(lights), _shadowLightNo(-1), _shadowFarPlane(0),
        _shadowNearPlane(0), _shadowFov(0), _parent(ParentNone) {}

    TeColor getShadowColor() { return _shadowColor; }
    int getShadowLightNo() { return _shadowLightNo; }
    float getShadowFarPlane() { return _shadowFarPlane; }
    float getShadowNearPlane() { return _shadowNearPlane; }
    float getShadowFov() { return _shadowFov; }

    // Parser
    CUSTOM_XML_PARSER(SceneLightsXmlParser) {
        XML_KEY(Global)
            XML_KEY(Ambient)
                XML_PROP(r, true)
                XML_PROP(g, true)
                XML_PROP(b, true)
            KEY_END()
        KEY_END()
        XML_KEY(Lights)
            XML_KEY(Light)
                XML_PROP(Type, true)
                XML_KEY(Position)
                    XML_PROP(x, true)
                    XML_PROP(y, true)
                    XML_PROP(z, true)
                KEY_END()
                XML_KEY(Direction)
                    XML_PROP(h, true)
                    XML_PROP(v, true)
                KEY_END()
                XML_KEY(Ambient)
                    XML_PROP(r, true)
                    XML_PROP(g, true)
                    XML_PROP(b, true)
                KEY_END()
                XML_KEY(Diffuse)
                    XML_PROP(r, true)
                    XML_PROP(g, true)
                    XML_PROP(b, true)
                KEY_END()
                XML_KEY(Specular)
                    XML_PROP(r, true)
                    XML_PROP(g, true)
                    XML_PROP(b, true)
                KEY_END()
                XML_KEY(Attenuation)
                    XML_PROP(constant, true)
                    XML_PROP(linear, true)
                    XML_PROP(quadratic, true)
                KEY_END()
                XML_KEY(Cutoff)
                    XML_PROP(value, true)
                KEY_END()
                XML_KEY(Exponent)
                    XML_PROP(value, true)
                KEY_END()
                XML_KEY(DisplaySize)
                    XML_PROP(value, true)
                KEY_END()
            KEY_END()
        KEY_END()
        XML_KEY(Shadow)
            XML_KEY(SourceLight)
                XML_PROP(number, true)
            KEY_END()
            XML_KEY(Fov)
                XML_PROP(value, true)
            KEY_END()
            XML_KEY(NearPlane)
                XML_PROP(value, true)
            KEY_END()
            XML_KEY(FarPlane)
                XML_PROP(value, true)
            KEY_END()
            XML_KEY(Color)
                XML_PROP(r, true)
                XML_PROP(g, true)
                XML_PROP(b, true)
                XML_PROP(a, true)
            KEY_END()
        KEY_END()
    } PARSER_END()

private:
    Common::Array<Common::SharedPtr<TeLight>> *_lights;

    enum ParentNodeType {
        ParentNone,
        ParentGlobal,
        ParentLight,
        ParentShadow
    };

    TeColor _shadowColor;
    int _shadowLightNo;
    float _shadowFarPlane;
    float _shadowNearPlane;
    float _shadowFov;
    ParentNodeType _parent;

    // Parser callback methods
    bool parserCallback_Global(ParserNode *node);
    bool parserCallback_Ambient(ParserNode *node);

    bool parserCallback_Lights(ParserNode *node);
    bool parserCallback_Light(ParserNode *node);
    bool parserCallback_Position(ParserNode *node);
    bool parserCallback_Direction(ParserNode *node);
    //bool parserCallback_Ambient(ParserNode *node);
    bool parserCallback_Diffuse(ParserNode *node);
    bool parserCallback_Specular(ParserNode *node);
    bool parserCallback_Attenuation(ParserNode *node);
    bool parserCallback_Cutoff(ParserNode *node);
    bool parserCallback_Exponent(ParserNode *node);
    bool parserCallback_DisplaySize(ParserNode *node);

    bool parserCallback_Shadow(ParserNode *node);
    bool parserCallback_SourceLight(ParserNode *node);
    bool parserCallback_Fov(ParserNode *node);
    bool parserCallback_NearPlane(ParserNode *node);
    bool parserCallback_FarPlane(ParserNode *node);
    bool parserCallback_Color(ParserNode *node);

};

} // end namespace Tetraedge

#endif // TETRAEDGE_GAME_SCENE_LIGHTS_XML_PARSER_H