com.gempukku.libgdx.graph.shader.common.math.exponential.LogarithmBase2ShaderNodeBuilder Maven / Gradle / Ivy

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

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.exponential.LogarithmBase2ShaderNodeConfiguration;
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 LogarithmBase2ShaderNodeBuilder extends ConfigurationCommonShaderNodeBuilder {
    public LogarithmBase2ShaderNodeBuilder() {
        super(new LogarithmBase2ShaderNodeConfiguration());
    }

    @Override
    protected ObjectMap buildCommonNode(boolean designTime, String nodeId, JsonValue data, ObjectMap inputs, ObjectSet producedOutputs, CommonShaderBuilder commonShaderBuilder, GraphShaderContext graphShaderContext, GraphShader graphShader) {
        FieldOutput inputValue = inputs.get("input");
        ShaderFieldType resultType = inputValue.getFieldType();

        commonShaderBuilder.addMainLine("// Logarithm base 2 node");
        String name = "result_" + nodeId;
        commonShaderBuilder.addMainLine(resultType.getShaderType() + " " + name + " = log2(" + inputValue.getRepresentation() + ");");

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