package net.minecraft.client.shader;
import com.google.common.base.Charsets;
import com.google.common.collect.Lists;
import com.google.common.collect.Maps;
import com.google.gson.JsonArray;
import com.google.gson.JsonElement;
import com.google.gson.JsonObject;
import com.google.gson.JsonParser;
import cpw.mods.fml.relauncher.Side;
import cpw.mods.fml.relauncher.SideOnly;
import java.io.FileNotFoundException;
import java.io.InputStream;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import javax.vecmath.Matrix4f;
import net.minecraft.client.renderer.texture.ITextureObject;
import net.minecraft.client.renderer.texture.TextureManager;
import net.minecraft.client.resources.IResource;
import net.minecraft.client.resources.IResourceManager;
import net.minecraft.client.util.JsonException;
import net.minecraft.util.JsonUtils;
import net.minecraft.util.ResourceLocation;
import org.apache.commons.io.IOUtils;
import org.lwjgl.opengl.GL11;
@SideOnly(Side.CLIENT)
public class ShaderGroup
{
private final Framebuffer mainFramebuffer;
private final IResourceManager resourceManager;
private final String shaderGroupName;
private final List listShaders = Lists.newArrayList();
private final Map mapFramebuffers = Maps.newHashMap();
private final List listFramebuffers = Lists.newArrayList();
private Matrix4f projectionMatrix;
private int mainFramebufferWidth;
private int mainFramebufferHeight;
private float field_148036_j;
private float field_148037_k;
private static final String __OBFID = "CL_00001041";
public ShaderGroup(TextureManager p_i1050_1_, IResourceManager p_i1050_2_, Framebuffer p_i1050_3_, ResourceLocation p_i1050_4_) throws JsonException
{
this.resourceManager = p_i1050_2_;
this.mainFramebuffer = p_i1050_3_;
this.field_148036_j = 0.0F;
this.field_148037_k = 0.0F;
this.mainFramebufferWidth = p_i1050_3_.framebufferWidth;
this.mainFramebufferHeight = p_i1050_3_.framebufferHeight;
this.shaderGroupName = p_i1050_4_.toString();
this.resetProjectionMatrix();
this.parseGroup(p_i1050_1_, p_i1050_4_);
}
public void parseGroup(TextureManager p_152765_1_, ResourceLocation p_152765_2_) throws JsonException
{
JsonParser jsonparser = new JsonParser();
InputStream inputstream = null;
try
{
IResource iresource = this.resourceManager.getResource(p_152765_2_);
inputstream = iresource.getInputStream();
JsonObject jsonobject = jsonparser.parse(IOUtils.toString(inputstream, Charsets.UTF_8)).getAsJsonObject();
JsonArray jsonarray;
int i;
Iterator iterator;
JsonElement jsonelement;
JsonException jsonexception1;
if (JsonUtils.jsonObjectFieldTypeIsArray(jsonobject, "targets"))
{
jsonarray = jsonobject.getAsJsonArray("targets");
i = 0;
for (iterator = jsonarray.iterator(); iterator.hasNext(); ++i)
{
jsonelement = (JsonElement)iterator.next();
try
{
this.initTarget(jsonelement);
}
catch (Exception exception1)
{
jsonexception1 = JsonException.func_151379_a(exception1);
jsonexception1.func_151380_a("targets[" + i + "]");
throw jsonexception1;
}
}
}
if (JsonUtils.jsonObjectFieldTypeIsArray(jsonobject, "passes"))
{
jsonarray = jsonobject.getAsJsonArray("passes");
i = 0;
for (iterator = jsonarray.iterator(); iterator.hasNext(); ++i)
{
jsonelement = (JsonElement)iterator.next();
try
{
this.parsePass(p_152765_1_, jsonelement);
}
catch (Exception exception)
{
jsonexception1 = JsonException.func_151379_a(exception);
jsonexception1.func_151380_a("passes[" + i + "]");
throw jsonexception1;
}
}
}
}
catch (Exception exception2)
{
JsonException jsonexception = JsonException.func_151379_a(exception2);
jsonexception.func_151381_b(p_152765_2_.getResourcePath());
throw jsonexception;
}
finally
{
IOUtils.closeQuietly(inputstream);
}
}
private void initTarget(JsonElement p_148027_1_) throws JsonException
{
if (JsonUtils.jsonElementTypeIsString(p_148027_1_))
{
this.addFramebuffer(p_148027_1_.getAsString(), this.mainFramebufferWidth, this.mainFramebufferHeight);
}
else
{
JsonObject jsonobject = JsonUtils.getElementAsJsonObject(p_148027_1_, "target");
String s = JsonUtils.getJsonObjectStringFieldValue(jsonobject, "name");
int i = JsonUtils.getJsonObjectIntegerFieldValueOrDefault(jsonobject, "width", this.mainFramebufferWidth);
int j = JsonUtils.getJsonObjectIntegerFieldValueOrDefault(jsonobject, "height", this.mainFramebufferHeight);
if (this.mapFramebuffers.containsKey(s))
{
throw new JsonException(s + " is already defined");
}
this.addFramebuffer(s, i, j);
}
}
private void parsePass(TextureManager p_152764_1_, JsonElement p_152764_2_) throws JsonException
{
JsonObject jsonobject = JsonUtils.getElementAsJsonObject(p_152764_2_, "pass");
String s = JsonUtils.getJsonObjectStringFieldValue(jsonobject, "name");
String s1 = JsonUtils.getJsonObjectStringFieldValue(jsonobject, "intarget");
String s2 = JsonUtils.getJsonObjectStringFieldValue(jsonobject, "outtarget");
Framebuffer framebuffer = this.getFramebuffer(s1);
Framebuffer framebuffer1 = this.getFramebuffer(s2);
if (framebuffer == null)
{
throw new JsonException("Input target \'" + s1 + "\' does not exist");
}
else if (framebuffer1 == null)
{
throw new JsonException("Output target \'" + s2 + "\' does not exist");
}
else
{
Shader shader = this.addShader(s, framebuffer, framebuffer1);
JsonArray jsonarray = JsonUtils.getJsonObjectJsonArrayFieldOrDefault(jsonobject, "auxtargets", (JsonArray)null);
if (jsonarray != null)
{
int i = 0;
for (Iterator iterator = jsonarray.iterator(); iterator.hasNext(); ++i)
{
JsonElement jsonelement1 = (JsonElement)iterator.next();
try
{
JsonObject jsonobject1 = JsonUtils.getElementAsJsonObject(jsonelement1, "auxtarget");
String s4 = JsonUtils.getJsonObjectStringFieldValue(jsonobject1, "name");
String s3 = JsonUtils.getJsonObjectStringFieldValue(jsonobject1, "id");
Framebuffer framebuffer2 = this.getFramebuffer(s3);
if (framebuffer2 == null)
{
ResourceLocation resourcelocation = new ResourceLocation("textures/effect/" + s3 + ".png");
try
{
this.resourceManager.getResource(resourcelocation);
}
catch (FileNotFoundException filenotfoundexception)
{
throw new JsonException("Render target or texture \'" + s3 + "\' does not exist");
}
p_152764_1_.bindTexture(resourcelocation);
ITextureObject itextureobject = p_152764_1_.getTexture(resourcelocation);
int j = JsonUtils.getJsonObjectIntegerFieldValue(jsonobject1, "width");
int k = JsonUtils.getJsonObjectIntegerFieldValue(jsonobject1, "height");
boolean flag = JsonUtils.getJsonObjectBooleanFieldValue(jsonobject1, "bilinear");
if (flag)
{
GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MIN_FILTER, GL11.GL_LINEAR);
GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MAG_FILTER, GL11.GL_LINEAR);
}
else
{
GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MIN_FILTER, GL11.GL_NEAREST);
GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MAG_FILTER, GL11.GL_NEAREST);
}
shader.addAuxFramebuffer(s4, Integer.valueOf(itextureobject.getGlTextureId()), j, k);
}
else
{
shader.addAuxFramebuffer(s4, framebuffer2, framebuffer2.framebufferTextureWidth, framebuffer2.framebufferTextureHeight);
}
}
catch (Exception exception1)
{
JsonException jsonexception = JsonException.func_151379_a(exception1);
jsonexception.func_151380_a("auxtargets[" + i + "]");
throw jsonexception;
}
}
}
JsonArray jsonarray1 = JsonUtils.getJsonObjectJsonArrayFieldOrDefault(jsonobject, "uniforms", (JsonArray)null);
if (jsonarray1 != null)
{
int l = 0;
for (Iterator iterator1 = jsonarray1.iterator(); iterator1.hasNext(); ++l)
{
JsonElement jsonelement2 = (JsonElement)iterator1.next();
try
{
this.initUniform(jsonelement2);
}
catch (Exception exception)
{
JsonException jsonexception1 = JsonException.func_151379_a(exception);
jsonexception1.func_151380_a("uniforms[" + l + "]");
throw jsonexception1;
}
}
}
}
}
private void initUniform(JsonElement p_148028_1_) throws JsonException
{
JsonObject jsonobject = JsonUtils.getElementAsJsonObject(p_148028_1_, "uniform");
String s = JsonUtils.getJsonObjectStringFieldValue(jsonobject, "name");
ShaderUniform shaderuniform = ((Shader)this.listShaders.get(this.listShaders.size() - 1)).getShaderManager().getShaderUniform(s);
if (shaderuniform == null)
{
throw new JsonException("Uniform \'" + s + "\' does not exist");
}
else
{
float[] afloat = new float[4];
int i = 0;
JsonArray jsonarray = JsonUtils.getJsonObjectJsonArrayField(jsonobject, "values");
for (Iterator iterator = jsonarray.iterator(); iterator.hasNext(); ++i)
{
JsonElement jsonelement1 = (JsonElement)iterator.next();
try
{
afloat[i] = JsonUtils.getJsonElementFloatValue(jsonelement1, "value");
}
catch (Exception exception)
{
JsonException jsonexception = JsonException.func_151379_a(exception);
jsonexception.func_151380_a("values[" + i + "]");
throw jsonexception;
}
}
switch (i)
{
case 0:
default:
break;
case 1:
shaderuniform.set(afloat[0]);
break;
case 2:
shaderuniform.set(afloat[0], afloat[1]);
break;
case 3:
shaderuniform.set(afloat[0], afloat[1], afloat[2]);
break;
case 4:
shaderuniform.set(afloat[0], afloat[1], afloat[2], afloat[3]);
}
}
}
public void addFramebuffer(String p_148020_1_, int p_148020_2_, int p_148020_3_)
{
Framebuffer framebuffer = new Framebuffer(p_148020_2_, p_148020_3_, true);
framebuffer.setFramebufferColor(0.0F, 0.0F, 0.0F, 0.0F);
this.mapFramebuffers.put(p_148020_1_, framebuffer);
if (p_148020_2_ == this.mainFramebufferWidth && p_148020_3_ == this.mainFramebufferHeight)
{
this.listFramebuffers.add(framebuffer);
}
}
public void deleteShaderGroup()
{
Iterator iterator = this.mapFramebuffers.values().iterator();
while (iterator.hasNext())
{
Framebuffer framebuffer = (Framebuffer)iterator.next();
framebuffer.deleteFramebuffer();
}
iterator = this.listShaders.iterator();
while (iterator.hasNext())
{
Shader shader = (Shader)iterator.next();
shader.deleteShader();
}
this.listShaders.clear();
}
public Shader addShader(String p_148023_1_, Framebuffer p_148023_2_, Framebuffer p_148023_3_) throws JsonException
{
Shader shader = new Shader(this.resourceManager, p_148023_1_, p_148023_2_, p_148023_3_);
this.listShaders.add(this.listShaders.size(), shader);
return shader;
}
private void resetProjectionMatrix()
{
this.projectionMatrix = new Matrix4f();
this.projectionMatrix.setIdentity();
this.projectionMatrix.m00 = 2.0F / (float)this.mainFramebuffer.framebufferTextureWidth;
this.projectionMatrix.m11 = 2.0F / (float)(-this.mainFramebuffer.framebufferTextureHeight);
this.projectionMatrix.m22 = -0.0020001999F;
this.projectionMatrix.m33 = 1.0F;
this.projectionMatrix.m03 = -1.0F;
this.projectionMatrix.m13 = 1.0F;
this.projectionMatrix.m23 = -1.0001999F;
}
public void createBindFramebuffers(int p_148026_1_, int p_148026_2_)
{
this.mainFramebufferWidth = this.mainFramebuffer.framebufferTextureWidth;
this.mainFramebufferHeight = this.mainFramebuffer.framebufferTextureHeight;
this.resetProjectionMatrix();
Iterator iterator = this.listShaders.iterator();
while (iterator.hasNext())
{
Shader shader = (Shader)iterator.next();
shader.setProjectionMatrix(this.projectionMatrix);
}
iterator = this.listFramebuffers.iterator();
while (iterator.hasNext())
{
Framebuffer framebuffer = (Framebuffer)iterator.next();
framebuffer.createBindFramebuffer(p_148026_1_, p_148026_2_);
}
}
public void loadShaderGroup(float p_148018_1_)
{
if (p_148018_1_ < this.field_148037_k)
{
this.field_148036_j += 1.0F - this.field_148037_k;
this.field_148036_j += p_148018_1_;
}
else
{
this.field_148036_j += p_148018_1_ - this.field_148037_k;
}
for (this.field_148037_k = p_148018_1_; this.field_148036_j > 20.0F; this.field_148036_j -= 20.0F)
{
;
}
Iterator iterator = this.listShaders.iterator();
while (iterator.hasNext())
{
Shader shader = (Shader)iterator.next();
shader.loadShader(this.field_148036_j / 20.0F);
}
}
public final String getShaderGroupName()
{
return this.shaderGroupName;
}
private Framebuffer getFramebuffer(String p_148017_1_)
{
return p_148017_1_ == null ? null : (p_148017_1_.equals("minecraft:main") ? this.mainFramebuffer : (Framebuffer)this.mapFramebuffers.get(p_148017_1_));
}
}