001package net.minecraftforge.client; 002 003import java.util.HashMap; 004import java.util.Random; 005import java.util.TreeSet; 006 007import org.lwjgl.opengl.GL11; 008import org.lwjgl.opengl.GL12; 009 010import cpw.mods.fml.client.FMLClientHandler; 011 012import net.minecraft.client.Minecraft; 013import net.minecraft.block.Block; 014import net.minecraft.entity.item.EntityItem; 015import net.minecraft.entity.Entity; 016import net.minecraft.entity.EntityLiving; 017import net.minecraft.entity.player.EntityPlayer; 018import net.minecraft.client.texturepacks.ITexturePack; 019import net.minecraft.item.Item; 020import net.minecraft.item.ItemBlock; 021import net.minecraft.item.ItemStack; 022import net.minecraft.util.MathHelper; 023import net.minecraft.util.MovingObjectPosition; 024import net.minecraft.client.model.ModelBiped; 025import net.minecraft.client.renderer.RenderBlocks; 026import net.minecraft.client.renderer.RenderEngine; 027import net.minecraft.client.renderer.RenderGlobal; 028import net.minecraft.client.renderer.Tessellator; 029import net.minecraft.client.renderer.entity.RenderItem; 030import net.minecraft.client.renderer.texture.TextureMap; 031import net.minecraftforge.client.event.DrawBlockHighlightEvent; 032import net.minecraftforge.client.event.RenderWorldLastEvent; 033import net.minecraftforge.client.event.TextureLoadEvent; 034import net.minecraftforge.client.event.TextureStitchEvent; 035import net.minecraftforge.common.IArmorTextureProvider; 036import net.minecraftforge.common.MinecraftForge; 037import static net.minecraftforge.client.IItemRenderer.ItemRenderType.*; 038import static net.minecraftforge.client.IItemRenderer.ItemRendererHelper.*; 039 040public class ForgeHooksClient 041{ 042 static RenderEngine engine() 043 { 044 return FMLClientHandler.instance().getClient().renderEngine; 045 } 046 047 @Deprecated //Deprecated in 1.5.1, move to the more detailed one below. 048 @SuppressWarnings("deprecation") 049 public static String getArmorTexture(ItemStack armor, String _default) 050 { 051 String result = null; 052 if (armor.getItem() instanceof IArmorTextureProvider) 053 { 054 result = ((IArmorTextureProvider)armor.getItem()).getArmorTextureFile(armor); 055 } 056 return result != null ? result : _default; 057 } 058 059 public static String getArmorTexture(Entity entity, ItemStack armor, String _default, int slot, int layer) 060 { 061 String result = armor.getItem().getArmorTexture(armor, entity, slot, layer); 062 return result != null ? result : _default; 063 } 064 065 public static boolean renderEntityItem(EntityItem entity, ItemStack item, float bobing, float rotation, Random random, RenderEngine engine, RenderBlocks renderBlocks) 066 { 067 IItemRenderer customRenderer = MinecraftForgeClient.getItemRenderer(item, ENTITY); 068 if (customRenderer == null) 069 { 070 return false; 071 } 072 073 if (customRenderer.shouldUseRenderHelper(ENTITY, item, ENTITY_ROTATION)) 074 { 075 GL11.glRotatef(rotation, 0.0F, 1.0F, 0.0F); 076 } 077 if (!customRenderer.shouldUseRenderHelper(ENTITY, item, ENTITY_BOBBING)) 078 { 079 GL11.glTranslatef(0.0F, -bobing, 0.0F); 080 } 081 boolean is3D = customRenderer.shouldUseRenderHelper(ENTITY, item, BLOCK_3D); 082 083 if (item.getItem() instanceof ItemBlock && (is3D || RenderBlocks.renderItemIn3d(Block.blocksList[item.itemID].getRenderType()))) 084 { 085 engine.bindTexture("/terrain.png"); 086 int renderType = Block.blocksList[item.itemID].getRenderType(); 087 float scale = (renderType == 1 || renderType == 19 || renderType == 12 || renderType == 2 ? 0.5F : 0.25F); 088 089 if (RenderItem.renderInFrame) 090 { 091 GL11.glScalef(1.25F, 1.25F, 1.25F); 092 GL11.glTranslatef(0.0F, 0.05F, 0.0F); 093 GL11.glRotatef(-90.0F, 0.0F, 1.0F, 0.0F); 094 } 095 096 GL11.glScalef(scale, scale, scale); 097 098 int size = item.stackSize; 099 int count = (size > 20 ? 4 : (size > 5 ? 3 : (size > 1 ? 2 : 1))); 100 101 for(int j = 0; j < count; j++) 102 { 103 GL11.glPushMatrix(); 104 if (j > 0) 105 { 106 GL11.glTranslatef( 107 ((random.nextFloat() * 2.0F - 1.0F) * 0.2F) / 0.5F, 108 ((random.nextFloat() * 2.0F - 1.0F) * 0.2F) / 0.5F, 109 ((random.nextFloat() * 2.0F - 1.0F) * 0.2F) / 0.5F); 110 } 111 customRenderer.renderItem(ENTITY, item, renderBlocks, entity); 112 GL11.glPopMatrix(); 113 } 114 } 115 else 116 { 117 engine.bindTexture(item.getItemSpriteNumber() == 0 ? "/terrain.png" : "/gui/items.png"); 118 GL11.glScalef(0.5F, 0.5F, 0.5F); 119 customRenderer.renderItem(ENTITY, item, renderBlocks, entity); 120 } 121 return true; 122 } 123 124 public static boolean renderInventoryItem(RenderBlocks renderBlocks, RenderEngine engine, ItemStack item, boolean inColor, float zLevel, float x, float y) 125 { 126 IItemRenderer customRenderer = MinecraftForgeClient.getItemRenderer(item, INVENTORY); 127 if (customRenderer == null) 128 { 129 return false; 130 } 131 132 engine.bindTexture(item.getItemSpriteNumber() == 0 ? "/terrain.png" : "/gui/items.png"); 133 if (customRenderer.shouldUseRenderHelper(INVENTORY, item, INVENTORY_BLOCK)) 134 { 135 GL11.glPushMatrix(); 136 GL11.glTranslatef(x - 2, y + 3, -3.0F + zLevel); 137 GL11.glScalef(10F, 10F, 10F); 138 GL11.glTranslatef(1.0F, 0.5F, 1.0F); 139 GL11.glScalef(1.0F, 1.0F, -1F); 140 GL11.glRotatef(210F, 1.0F, 0.0F, 0.0F); 141 GL11.glRotatef(45F, 0.0F, 1.0F, 0.0F); 142 143 if(inColor) 144 { 145 int color = Item.itemsList[item.itemID].getColorFromItemStack(item, 0); 146 float r = (float)(color >> 16 & 0xff) / 255F; 147 float g = (float)(color >> 8 & 0xff) / 255F; 148 float b = (float)(color & 0xff) / 255F; 149 GL11.glColor4f(r, g, b, 1.0F); 150 } 151 152 GL11.glRotatef(-90F, 0.0F, 1.0F, 0.0F); 153 renderBlocks.useInventoryTint = inColor; 154 customRenderer.renderItem(INVENTORY, item, renderBlocks); 155 renderBlocks.useInventoryTint = true; 156 GL11.glPopMatrix(); 157 } 158 else 159 { 160 GL11.glDisable(GL11.GL_LIGHTING); 161 GL11.glPushMatrix(); 162 GL11.glTranslatef(x, y, -3.0F + zLevel); 163 164 if (inColor) 165 { 166 int color = Item.itemsList[item.itemID].getColorFromItemStack(item, 0); 167 float r = (float)(color >> 16 & 255) / 255.0F; 168 float g = (float)(color >> 8 & 255) / 255.0F; 169 float b = (float)(color & 255) / 255.0F; 170 GL11.glColor4f(r, g, b, 1.0F); 171 } 172 173 customRenderer.renderItem(INVENTORY, item, renderBlocks); 174 GL11.glPopMatrix(); 175 GL11.glEnable(GL11.GL_LIGHTING); 176 } 177 return true; 178 } 179 180 public static void renderEquippedItem(IItemRenderer customRenderer, RenderBlocks renderBlocks, EntityLiving entity, ItemStack item) 181 { 182 if (customRenderer.shouldUseRenderHelper(EQUIPPED, item, EQUIPPED_BLOCK)) 183 { 184 GL11.glPushMatrix(); 185 GL11.glTranslatef(-0.5F, -0.5F, -0.5F); 186 customRenderer.renderItem(EQUIPPED, item, renderBlocks, entity); 187 GL11.glPopMatrix(); 188 } 189 else 190 { 191 GL11.glPushMatrix(); 192 GL11.glEnable(GL12.GL_RESCALE_NORMAL); 193 GL11.glTranslatef(0.0F, -0.3F, 0.0F); 194 GL11.glScalef(1.5F, 1.5F, 1.5F); 195 GL11.glRotatef(50.0F, 0.0F, 1.0F, 0.0F); 196 GL11.glRotatef(335.0F, 0.0F, 0.0F, 1.0F); 197 GL11.glTranslatef(-0.9375F, -0.0625F, 0.0F); 198 customRenderer.renderItem(EQUIPPED, item, renderBlocks, entity); 199 GL11.glDisable(GL12.GL_RESCALE_NORMAL); 200 GL11.glPopMatrix(); 201 } 202 } 203 204 //Optifine Helper Functions u.u, these are here specifically for Optifine 205 //Note: When using Optfine, these methods are invoked using reflection, which 206 //incurs a major performance penalty. 207 public static void orientBedCamera(Minecraft mc, EntityLiving entity) 208 { 209 int x = MathHelper.floor_double(entity.posX); 210 int y = MathHelper.floor_double(entity.posY); 211 int z = MathHelper.floor_double(entity.posZ); 212 Block block = Block.blocksList[mc.theWorld.getBlockId(x, y, z)]; 213 214 if (block != null && block.isBed(mc.theWorld, x, y, z, entity)) 215 { 216 int var12 = block.getBedDirection(mc.theWorld, x, y, z); 217 GL11.glRotatef((float)(var12 * 90), 0.0F, 1.0F, 0.0F); 218 } 219 } 220 221 public static boolean onDrawBlockHighlight(RenderGlobal context, EntityPlayer player, MovingObjectPosition target, int subID, ItemStack currentItem, float partialTicks) 222 { 223 return MinecraftForge.EVENT_BUS.post(new DrawBlockHighlightEvent(context, player, target, subID, currentItem, partialTicks)); 224 } 225 226 public static void dispatchRenderLast(RenderGlobal context, float partialTicks) 227 { 228 MinecraftForge.EVENT_BUS.post(new RenderWorldLastEvent(context, partialTicks)); 229 } 230 231 public static void onTextureLoad(String texture, ITexturePack pack) 232 { 233 MinecraftForge.EVENT_BUS.post(new TextureLoadEvent(texture, pack)); 234 } 235 236 public static void onTextureStitchedPre(TextureMap map) 237 { 238 MinecraftForge.EVENT_BUS.post(new TextureStitchEvent.Pre(map)); 239 } 240 241 public static void onTextureStitchedPost(TextureMap map) 242 { 243 MinecraftForge.EVENT_BUS.post(new TextureStitchEvent.Post(map)); 244 } 245 246 /** 247 * This is added for Optifine's convenience. And to explode if a ModMaker is developing. 248 * @param texture 249 */ 250 public static void onTextureLoadPre(String texture) 251 { 252 if (Tessellator.renderingWorldRenderer) 253 { 254 String msg = String.format("Warning: Texture %s not preloaded, will cause render glitches!", texture); 255 System.out.println(msg); 256 if (Tessellator.class.getPackage() != null) 257 { 258 if (Tessellator.class.getPackage().getName().startsWith("net.minecraft.")) 259 { 260 Minecraft mc = FMLClientHandler.instance().getClient(); 261 if (mc.ingameGUI != null) 262 { 263 mc.ingameGUI.getChatGUI().printChatMessage(msg); 264 } 265 } 266 } 267 } 268 } 269 270 static int renderPass = -1; 271 public static void setRenderPass(int pass) 272 { 273 renderPass = pass; 274 } 275 276 public static ModelBiped getArmorModel(EntityLiving entityLiving, ItemStack itemStack, int slotID, ModelBiped _default) 277 { 278 ModelBiped modelbiped = itemStack.getItem().getArmorModel(entityLiving, itemStack, slotID); 279 return modelbiped == null ? _default : modelbiped; 280 } 281}