org.terasology.rendering.shader.ShaderParametersCombine.java Source code

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Here is the source code for org.terasology.rendering.shader.ShaderParametersCombine.java

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/*
 * Copyright 2013 MovingBlocks
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.terasology.rendering.shader;

import org.lwjgl.opengl.GL13;
import org.terasology.config.Config;
import org.terasology.editor.EditorRange;
import org.terasology.registry.CoreRegistry;
import org.terasology.rendering.assets.material.Material;
import org.terasology.rendering.cameras.Camera;
import org.terasology.rendering.opengl.DefaultRenderingProcess;
import org.terasology.rendering.world.WorldRenderer;

import javax.vecmath.Vector4f;

/**
 * Shader parameters for the Combine shader program.
 *
 * @author Benjamin Glatzel <benjamin.glatzel@me.com>
 */
public class ShaderParametersCombine extends ShaderParametersBase {
    @EditorRange(min = 0.001f, max = 0.005f)
    private float outlineDepthThreshold = 0.001f;
    @EditorRange(min = 0.0f, max = 1.0f)
    private float outlineThickness = 0.65f;

    @EditorRange(min = 0.0f, max = 1.0f)
    private float skyInscatteringLength = 1.0f;
    @EditorRange(min = 0.0f, max = 1.0f)
    private float skyInscatteringStrength = 0.25f;
    @EditorRange(min = 0.0f, max = 1.0f)
    private float skyInscatteringThreshold = 0.8f;

    @Override
    public void applyParameters(Material program) {
        super.applyParameters(program);

        int texId = 0;

        DefaultRenderingProcess.FBO sceneOpaque = DefaultRenderingProcess.getInstance().getFBO("sceneOpaque");

        if (sceneOpaque != null) {
            GL13.glActiveTexture(GL13.GL_TEXTURE0 + texId);
            sceneOpaque.bindTexture();
            program.setInt("texSceneOpaque", texId++, true);

            GL13.glActiveTexture(GL13.GL_TEXTURE0 + texId);
            sceneOpaque.bindDepthTexture();
            program.setInt("texSceneOpaqueDepth", texId++, true);

            GL13.glActiveTexture(GL13.GL_TEXTURE0 + texId);
            sceneOpaque.bindNormalsTexture();
            program.setInt("texSceneOpaqueNormals", texId++, true);

            GL13.glActiveTexture(GL13.GL_TEXTURE0 + texId);
            sceneOpaque.bindLightBufferTexture();
            program.setInt("texSceneOpaqueLightBuffer", texId++, true);
        }

        DefaultRenderingProcess.FBO sceneReflectiveRefractive = DefaultRenderingProcess.getInstance()
                .getFBO("sceneReflectiveRefractive");

        if (sceneReflectiveRefractive != null) {
            GL13.glActiveTexture(GL13.GL_TEXTURE0 + texId);
            sceneReflectiveRefractive.bindTexture();
            program.setInt("texSceneReflectiveRefractive", texId++, true);
        }

        if (CoreRegistry.get(Config.class).getRendering().isLocalReflections()) {
            if (sceneReflectiveRefractive != null) {
                GL13.glActiveTexture(GL13.GL_TEXTURE0 + texId);
                sceneReflectiveRefractive.bindNormalsTexture();
                program.setInt("texSceneReflectiveRefractiveNormals", texId++, true);
            }

            Camera activeCamera = CoreRegistry.get(WorldRenderer.class).getActiveCamera();
            if (activeCamera != null) {
                program.setMatrix4("invProjMatrix", activeCamera.getInverseProjectionMatrix(), true);
                program.setMatrix4("projMatrix", activeCamera.getProjectionMatrix(), true);
            }
        }

        if (CoreRegistry.get(Config.class).getRendering().isSsao()) {
            GL13.glActiveTexture(GL13.GL_TEXTURE0 + texId);
            DefaultRenderingProcess.getInstance().bindFboTexture("ssaoBlurred");
            program.setInt("texSsao", texId++, true);
        }

        if (CoreRegistry.get(Config.class).getRendering().isOutline()) {
            GL13.glActiveTexture(GL13.GL_TEXTURE0 + texId);
            DefaultRenderingProcess.getInstance().bindFboTexture("sobel");
            program.setInt("texEdges", texId++, true);

            program.setFloat("outlineDepthThreshold", outlineDepthThreshold, true);
            program.setFloat("outlineThickness", outlineThickness, true);
        }

        if (CoreRegistry.get(Config.class).getRendering().isInscattering()) {
            GL13.glActiveTexture(GL13.GL_TEXTURE0 + texId);
            DefaultRenderingProcess.getInstance().bindFboTexture("sceneSkyBand1");
            program.setInt("texSceneSkyBand", texId++, true);

            Vector4f skyInscatteringSettingsFrag = new Vector4f();
            skyInscatteringSettingsFrag.y = skyInscatteringStrength;
            skyInscatteringSettingsFrag.z = skyInscatteringLength;
            skyInscatteringSettingsFrag.w = skyInscatteringThreshold;
            program.setFloat4("skyInscatteringSettingsFrag", skyInscatteringSettingsFrag, true);
        }
    }
}