Java tutorial
/* * 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.GL11; import org.lwjgl.opengl.GL13; import org.terasology.asset.Assets; 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.assets.texture.Texture; import org.terasology.rendering.opengl.DefaultRenderingProcess; import javax.vecmath.Vector4f; import static org.lwjgl.opengl.GL11.glBindTexture; /** * Shader parameters for the Chunk shader program. * * @author Benjamin Glatzel <benjamin.glatzel@me.com> */ public class ShaderParametersChunk extends ShaderParametersBase { @EditorRange(min = 0.0f, max = 2.0f) public float waveIntens = 2.0f; @EditorRange(min = 0.0f, max = 2.0f) public float waveIntensFalloff = 0.85f; @EditorRange(min = 0.0f, max = 2.0f) public float waveSize = 0.1f; @EditorRange(min = 0.0f, max = 2.0f) public float waveSizeFalloff = 1.25f; @EditorRange(min = 0.0f, max = 2.0f) public float waveSpeed = 0.1f; @EditorRange(min = 0.0f, max = 2.0f) public float waveSpeedFalloff = 0.95f; @EditorRange(min = 0.0f, max = 5.0f) public float waterOffsetY; @EditorRange(min = 0.0f, max = 2.0f) public float waveOverallScale = 1.0f; @EditorRange(min = 0.0f, max = 1.0f) float waterRefraction = 0.04f; @EditorRange(min = 0.0f, max = 0.1f) float waterFresnelBias = 0.01f; @EditorRange(min = 0.0f, max = 10.0f) float waterFresnelPow = 2.5f; @EditorRange(min = 1.0f, max = 100.0f) float waterNormalBias = 10.0f; @EditorRange(min = 0.0f, max = 1.0f) float waterTint = 0.24f; @EditorRange(min = 0.0f, max = 1024.0f) float waterSpecExp = 200.0f; @EditorRange(min = 0.0f, max = 0.5f) float parallaxBias = 0.05f; @EditorRange(min = 0.0f, max = 0.50f) float parallaxScale = 0.05f; public void applyParameters(Material program) { super.applyParameters(program); Texture terrain = Assets.getTexture("engine:terrain"); Texture terrainNormal = Assets.getTexture("engine:terrainNormal"); Texture terrainHeight = Assets.getTexture("engine:terrainHeight"); Texture water = Assets.getTexture("engine:waterStill"); Texture lava = Assets.getTexture("engine:lavaStill"); Texture waterNormal = Assets.getTexture("engine:waterNormal"); Texture waterNormalAlt = Assets.getTexture("engine:waterNormalAlt"); Texture effects = Assets.getTexture("engine:effects"); if (terrain == null || water == null || lava == null || waterNormal == null || effects == null) { return; } int texId = 0; GL13.glActiveTexture(GL13.GL_TEXTURE0 + texId); glBindTexture(GL11.GL_TEXTURE_2D, terrain.getId()); program.setInt("textureAtlas", texId++, true); GL13.glActiveTexture(GL13.GL_TEXTURE0 + texId); glBindTexture(GL11.GL_TEXTURE_2D, water.getId()); program.setInt("textureWater", texId++, true); GL13.glActiveTexture(GL13.GL_TEXTURE0 + texId); glBindTexture(GL11.GL_TEXTURE_2D, lava.getId()); program.setInt("textureLava", texId++, true); GL13.glActiveTexture(GL13.GL_TEXTURE0 + texId); glBindTexture(GL11.GL_TEXTURE_2D, waterNormal.getId()); program.setInt("textureWaterNormal", texId++, true); GL13.glActiveTexture(GL13.GL_TEXTURE0 + texId); glBindTexture(GL11.GL_TEXTURE_2D, waterNormalAlt.getId()); program.setInt("textureWaterNormalAlt", texId++, true); GL13.glActiveTexture(GL13.GL_TEXTURE0 + texId); glBindTexture(GL11.GL_TEXTURE_2D, effects.getId()); program.setInt("textureEffects", texId++, true); GL13.glActiveTexture(GL13.GL_TEXTURE0 + texId); DefaultRenderingProcess.getInstance().bindFboTexture("sceneReflected"); program.setInt("textureWaterReflection", texId++, true); GL13.glActiveTexture(GL13.GL_TEXTURE0 + texId); DefaultRenderingProcess.getInstance().bindFboTexture("sceneOpaque"); program.setInt("texSceneOpaque", texId++, true); if (CoreRegistry.get(Config.class).getRendering().isNormalMapping()) { GL13.glActiveTexture(GL13.GL_TEXTURE0 + texId); glBindTexture(GL11.GL_TEXTURE_2D, terrainNormal.getId()); program.setInt("textureAtlasNormal", texId++, true); if (CoreRegistry.get(Config.class).getRendering().isParallaxMapping()) { GL13.glActiveTexture(GL13.GL_TEXTURE0 + texId); glBindTexture(GL11.GL_TEXTURE_2D, terrainHeight.getId()); program.setInt("textureAtlasHeight", texId++, true); } } Vector4f lightingSettingsFrag = new Vector4f(); lightingSettingsFrag.z = waterSpecExp; program.setFloat4("lightingSettingsFrag", lightingSettingsFrag, true); Vector4f waterSettingsFrag = new Vector4f(); waterSettingsFrag.x = waterNormalBias; waterSettingsFrag.y = waterRefraction; waterSettingsFrag.z = waterFresnelBias; waterSettingsFrag.w = waterFresnelPow; program.setFloat4("waterSettingsFrag", waterSettingsFrag, true); Vector4f alternativeWaterSettingsFrag = new Vector4f(); alternativeWaterSettingsFrag.x = waterTint; program.setFloat4("alternativeWaterSettingsFrag", alternativeWaterSettingsFrag, true); if (CoreRegistry.get(Config.class).getRendering().isAnimateWater()) { program.setFloat("waveIntensFalloff", waveIntensFalloff, true); program.setFloat("waveSizeFalloff", waveSizeFalloff, true); program.setFloat("waveSize", waveSize, true); program.setFloat("waveSpeedFalloff", waveSpeedFalloff, true); program.setFloat("waveSpeed", waveSpeed, true); program.setFloat("waveIntens", waveIntens, true); program.setFloat("waterOffsetY", waterOffsetY, true); program.setFloat("waveOverallScale", waveOverallScale, true); } if (CoreRegistry.get(Config.class).getRendering().isParallaxMapping() && CoreRegistry.get(Config.class).getRendering().isNormalMapping()) { program.setFloat4("parallaxProperties", parallaxBias, parallaxScale, 0.0f, 0.0f, true); } } }