package net.minecraftforge.client;
import java.util.HashMap;
import java.util.Random;
import java.util.TreeSet;
import org.lwjgl.opengl.GL11;
import org.lwjgl.opengl.GL12;
import cpw.mods.fml.client.FMLClientHandler;
import net.minecraft.client.Minecraft;
import net.minecraft.block.Block;
import net.minecraft.entity.item.EntityItem;
import net.minecraft.entity.EntityLiving;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.client.texturepacks.ITexturePack;
import net.minecraft.item.Item;
import net.minecraft.item.ItemBlock;
import net.minecraft.item.ItemStack;
import net.minecraft.util.MathHelper;
import net.minecraft.util.MovingObjectPosition;
import net.minecraft.client.renderer.RenderBlocks;
import net.minecraft.client.renderer.RenderEngine;
import net.minecraft.client.renderer.RenderGlobal;
import net.minecraft.client.renderer.Tessellator;
import net.minecraftforge.client.event.DrawBlockHighlightEvent;
import net.minecraftforge.client.event.RenderWorldLastEvent;
import net.minecraftforge.client.event.TextureLoadEvent;
import net.minecraftforge.common.IArmorTextureProvider;
import net.minecraftforge.common.MinecraftForge;
import static net.minecraftforge.client.IItemRenderer.ItemRenderType.*;
import static net.minecraftforge.client.IItemRenderer.ItemRendererHelper.*;
public class ForgeHooksClient
{
private static class TesKey implements Comparable<TesKey>
{
public final int texture, subid;
public TesKey(int textureID, int subID)
{
texture = textureID;
subid = subID;
}
public int compareTo(TesKey key)
{
if (subid == key.subid)
{
return texture - key.texture;
}
return subid - key.subid;
}
public boolean equals(Object obj)
{
return compareTo((TesKey)obj) == 0;
}
public int hashCode()
{
return texture + 31 * subid;
}
}
public static HashMap<TesKey, Tessellator> tessellators = new HashMap<TesKey, Tessellator>();
public static HashMap<String, Integer> textures = new HashMap<String, Integer>();
public static TreeSet<TesKey> renderTextures = new TreeSet<TesKey>();
public static Tessellator defaultTessellator = null;
public static boolean inWorld = false;
public static HashMap<TesKey, IRenderContextHandler> renderHandlers = new HashMap<TesKey, IRenderContextHandler>();
public static IRenderContextHandler unbindContext = null;
protected static void registerRenderContextHandler(String texture, int subID, IRenderContextHandler handler)
{
Integer texID = textures.get(texture);
if (texID == null)
{
texID = engine().getTexture(texture);
textures.put(texture, texID);
}
renderHandlers.put(new TesKey(texID, subID), handler);
}
static RenderEngine engine()
{
return FMLClientHandler.instance().getClient().renderEngine;
}
public static void bindTexture(String texture, int subID)
{
Integer texID = textures.get(texture);
if (texID == null)
{
texID = engine().getTexture(texture);
textures.put(texture, texID);
}
if (!inWorld)
{
if (unbindContext != null)
{
unbindContext.afterRenderContext();
unbindContext = null;
}
if (Tessellator.instance.isDrawing)
{
int mode = Tessellator.instance.drawMode;
Tessellator.instance.draw();
Tessellator.instance.startDrawing(mode);
}
GL11.glBindTexture(GL11.GL_TEXTURE_2D, texID);
unbindContext = renderHandlers.get(new TesKey(texID, subID));
if (unbindContext != null)
{
unbindContext.beforeRenderContext();
}
return;
}
bindTessellator(texID, subID);
}
public static void unbindTexture()
{
if (inWorld)
{
Tessellator.instance = defaultTessellator;
}
else
{
if (Tessellator.instance.isDrawing)
{
int mode = Tessellator.instance.drawMode;
Tessellator.instance.draw();
if (unbindContext != null)
{
unbindContext.afterRenderContext();
unbindContext = null;
}
Tessellator.instance.startDrawing(mode);
}
GL11.glBindTexture(GL11.GL_TEXTURE_2D, engine().getTexture("/terrain.png"));
return;
}
}
protected static void bindTessellator(int texture, int subID)
{
TesKey key = new TesKey(texture, subID);
Tessellator tess = tessellators.get(key);
if (tess == null)
{
tess = new Tessellator();
tess.textureID = texture;
tessellators.put(key, tess);
}
if (inWorld && !renderTextures.contains(key))
{
renderTextures.add(key);
tess.startDrawingQuads();
tess.setTranslation(defaultTessellator.xOffset, defaultTessellator.yOffset, defaultTessellator.zOffset);
}
Tessellator.instance = tess;
}
static int renderPass = -1;
public static void beforeRenderPass(int pass)
{
renderPass = pass;
defaultTessellator = Tessellator.instance;
Tessellator.renderingWorldRenderer = true;
GL11.glBindTexture(GL11.GL_TEXTURE_2D, engine().getTexture("/terrain.png"));
renderTextures.clear();
inWorld = true;
}
public static void afterRenderPass(int pass)
{
renderPass = -1;
inWorld = false;
for (TesKey info : renderTextures)
{
IRenderContextHandler handler = renderHandlers.get(info);
GL11.glBindTexture(GL11.GL_TEXTURE_2D, info.texture);
Tessellator tess = tessellators.get(info);
if (handler == null)
{
tess.draw();
}
else
{
Tessellator.instance = tess;
handler.beforeRenderContext();
tess.draw();
handler.afterRenderContext();
}
}
GL11.glBindTexture(GL11.GL_TEXTURE_2D, engine().getTexture("/terrain.png"));
Tessellator.renderingWorldRenderer = false;
Tessellator.instance = defaultTessellator;
}
public static void beforeBlockRender(Block block, RenderBlocks render)
{
if (!block.isDefaultTexture && render.overrideBlockTexture == -1)
{
bindTexture(block.getTextureFile(), 0);
}
}
public static void afterBlockRender(Block block, RenderBlocks render)
{
if (!block.isDefaultTexture && render.overrideBlockTexture == -1)
{
unbindTexture();
}
}
public static String getArmorTexture(ItemStack armor, String _default)
{
if (armor.getItem() instanceof IArmorTextureProvider)
{
return ((IArmorTextureProvider)armor.getItem()).getArmorTextureFile(armor);
}
return _default;
}
public static boolean renderEntityItem(EntityItem entity, ItemStack item, float bobing, float rotation, Random random, RenderEngine engine, RenderBlocks renderBlocks)
{
IItemRenderer customRenderer = MinecraftForgeClient.getItemRenderer(item, ENTITY);
if (customRenderer == null)
{
return false;
}
if (customRenderer.shouldUseRenderHelper(ENTITY, item, ENTITY_ROTATION))
{
GL11.glRotatef(rotation, 0.0F, 1.0F, 0.0F);
}
if (!customRenderer.shouldUseRenderHelper(ENTITY, item, ENTITY_BOBBING))
{
GL11.glTranslatef(0.0F, -bobing, 0.0F);
}
boolean is3D = customRenderer.shouldUseRenderHelper(ENTITY, item, BLOCK_3D);
if (item.getItem() instanceof ItemBlock && (is3D || RenderBlocks.renderItemIn3d(Block.blocksList[item.itemID].getRenderType())))
{
engine.bindTexture(engine.getTexture(item.getItem().getTextureFile()));
int renderType = Block.blocksList[item.itemID].getRenderType();
float scale = (renderType == 1 || renderType == 19 || renderType == 12 || renderType == 2 ? 0.5F : 0.25F);
GL11.glScalef(scale, scale, scale);
int size = item.stackSize;
int count = (size > 20 ? 4 : (size > 5 ? 3 : (size > 1 ? 2 : 1)));
for(int j = 0; j < count; j++)
{
GL11.glPushMatrix();
if (j > 0)
{
GL11.glTranslatef(
((random.nextFloat() * 2.0F - 1.0F) * 0.2F) / 0.5F,
((random.nextFloat() * 2.0F - 1.0F) * 0.2F) / 0.5F,
((random.nextFloat() * 2.0F - 1.0F) * 0.2F) / 0.5F);
}
customRenderer.renderItem(ENTITY, item, renderBlocks, entity);
GL11.glPopMatrix();
}
}
else
{
engine.bindTexture(engine.getTexture(item.getItem().getTextureFile()));
GL11.glScalef(0.5F, 0.5F, 0.5F);
customRenderer.renderItem(ENTITY, item, renderBlocks, entity);
}
return true;
}
public static boolean renderInventoryItem(RenderBlocks renderBlocks, RenderEngine engine, ItemStack item, boolean inColor, float zLevel, float x, float y)
{
IItemRenderer customRenderer = MinecraftForgeClient.getItemRenderer(item, INVENTORY);
if (customRenderer == null)
{
return false;
}
engine.bindTexture(engine.getTexture(Item.itemsList[item.itemID].getTextureFile()));
if (customRenderer.shouldUseRenderHelper(INVENTORY, item, INVENTORY_BLOCK))
{
GL11.glPushMatrix();
GL11.glTranslatef(x - 2, y + 3, -3.0F + zLevel);
GL11.glScalef(10F, 10F, 10F);
GL11.glTranslatef(1.0F, 0.5F, 1.0F);
GL11.glScalef(1.0F, 1.0F, -1F);
GL11.glRotatef(210F, 1.0F, 0.0F, 0.0F);
GL11.glRotatef(45F, 0.0F, 1.0F, 0.0F);
if(inColor)
{
int color = Item.itemsList[item.itemID].getColorFromItemStack(item, 0);
float r = (float)(color >> 16 & 0xff) / 255F;
float g = (float)(color >> 8 & 0xff) / 255F;
float b = (float)(color & 0xff) / 255F;
GL11.glColor4f(r, g, b, 1.0F);
}
GL11.glRotatef(-90F, 0.0F, 1.0F, 0.0F);
renderBlocks.useInventoryTint = inColor;
customRenderer.renderItem(INVENTORY, item, renderBlocks);
renderBlocks.useInventoryTint = true;
GL11.glPopMatrix();
}
else
{
GL11.glDisable(GL11.GL_LIGHTING);
GL11.glPushMatrix();
GL11.glTranslatef(x, y, -3.0F + zLevel);
if (inColor)
{
int color = Item.itemsList[item.itemID].getColorFromItemStack(item, 0);
float r = (float)(color >> 16 & 255) / 255.0F;
float g = (float)(color >> 8 & 255) / 255.0F;
float b = (float)(color & 255) / 255.0F;
GL11.glColor4f(r, g, b, 1.0F);
}
customRenderer.renderItem(INVENTORY, item, renderBlocks);
GL11.glPopMatrix();
GL11.glEnable(GL11.GL_LIGHTING);
}
return true;
}
public static void renderEquippedItem(IItemRenderer customRenderer, RenderBlocks renderBlocks, EntityLiving entity, ItemStack item)
{
if (customRenderer.shouldUseRenderHelper(EQUIPPED, item, EQUIPPED_BLOCK))
{
GL11.glPushMatrix();
GL11.glTranslatef(-0.5F, -0.5F, -0.5F);
customRenderer.renderItem(EQUIPPED, item, renderBlocks, entity);
GL11.glPopMatrix();
}
else
{
GL11.glPushMatrix();
GL11.glEnable(GL12.GL_RESCALE_NORMAL);
GL11.glTranslatef(0.0F, -0.3F, 0.0F);
GL11.glScalef(1.5F, 1.5F, 1.5F);
GL11.glRotatef(50.0F, 0.0F, 1.0F, 0.0F);
GL11.glRotatef(335.0F, 0.0F, 0.0F, 1.0F);
GL11.glTranslatef(-0.9375F, -0.0625F, 0.0F);
customRenderer.renderItem(EQUIPPED, item, renderBlocks, entity);
GL11.glDisable(GL12.GL_RESCALE_NORMAL);
GL11.glPopMatrix();
}
}
//Optifine Helper Functions u.u, these are here specifically for Optifine
//Note: When using Optfine, these methods are invoked using reflection, which
//incurs a major performance penalty.
public static void orientBedCamera(Minecraft mc, EntityLiving entity)
{
int x = MathHelper.floor_double(entity.posX);
int y = MathHelper.floor_double(entity.posY);
int z = MathHelper.floor_double(entity.posZ);
Block block = Block.blocksList[mc.theWorld.getBlockId(x, y, z)];
if (block != null && block.isBed(mc.theWorld, x, y, z, entity))
{
int var12 = block.getBedDirection(mc.theWorld, x, y, z);
GL11.glRotatef((float)(var12 * 90), 0.0F, 1.0F, 0.0F);
}
}
public static boolean onDrawBlockHighlight(RenderGlobal context, EntityPlayer player, MovingObjectPosition target, int subID, ItemStack currentItem, float partialTicks)
{
return MinecraftForge.EVENT_BUS.post(new DrawBlockHighlightEvent(context, player, target, subID, currentItem, partialTicks));
}
public static void dispatchRenderLast(RenderGlobal context, float partialTicks)
{
MinecraftForge.EVENT_BUS.post(new RenderWorldLastEvent(context, partialTicks));
}
public static void onTextureLoad(String texture, ITexturePack pack)
{
MinecraftForge.EVENT_BUS.post(new TextureLoadEvent(texture, pack));
}
/**
* This is added for Optifine's convenience. And to explode if a ModMaker is developing.
* @param texture
*/
public static void onTextureLoadPre(String texture)
{
if (Tessellator.renderingWorldRenderer)
{
String msg = String.format("Warning: Texture %s not preloaded, will cause render glitches!", texture);
System.out.println(msg);
if (Tessellator.class.getPackage() != null)
{
if (Tessellator.class.getPackage().getName().startsWith("net.minecraft."))
{
Minecraft mc = FMLClientHandler.instance().getClient();
if (mc.ingameGUI != null)
{
mc.ingameGUI.getChatGUI().printChatMessage(msg);
}
}
}
}
}
}