com.gempukku.libgdx.graph.shader.common.math.utility.DistanceFromPlaneShaderNodeBuilder Maven / Gradle / Ivy

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package com.gempukku.libgdx.graph.shader.common.math.utility;

import com.badlogic.gdx.utils.JsonValue;
import com.badlogic.gdx.utils.ObjectMap;
import com.badlogic.gdx.utils.ObjectSet;
import com.gempukku.libgdx.graph.shader.GraphShader;
import com.gempukku.libgdx.graph.shader.GraphShaderContext;
import com.gempukku.libgdx.graph.shader.ShaderFieldType;
import com.gempukku.libgdx.graph.shader.builder.CommonShaderBuilder;
import com.gempukku.libgdx.graph.shader.config.common.math.utility.DistanceFromPlaneShaderNodeConfiguration;
import com.gempukku.libgdx.graph.shader.node.ConfigurationCommonShaderNodeBuilder;
import com.gempukku.libgdx.graph.shader.node.DefaultFieldOutput;
import com.gempukku.libgdx.graph.util.LibGDXCollections;

public class DistanceFromPlaneShaderNodeBuilder extends ConfigurationCommonShaderNodeBuilder {
    public DistanceFromPlaneShaderNodeBuilder() {
        super(new DistanceFromPlaneShaderNodeConfiguration());
    }

    @Override
    protected ObjectMap buildCommonNode(boolean designTime, String nodeId, JsonValue data, ObjectMap inputs, ObjectSet producedOutputs, CommonShaderBuilder commonShaderBuilder, GraphShaderContext graphShaderContext, GraphShader graphShader) {
        FieldOutput pointValue = inputs.get("point");
        FieldOutput planePointValue = inputs.get("planePoint");
        FieldOutput planeNormalValue = inputs.get("planeNormal");

        commonShaderBuilder.addMainLine("// Distance from plane node");
        String name = "result_" + nodeId;
        ShaderFieldType resultType = ShaderFieldType.Float;

        commonShaderBuilder.addMainLine(resultType.getShaderType() + " " + name + " = dot(normalize(" + planeNormalValue.getRepresentation() + "), " + pointValue.getRepresentation() + " - " + planePointValue.getRepresentation() + ");");

        return LibGDXCollections.singletonMap("output", new DefaultFieldOutput(ShaderFieldType.Float, name));
    }
}