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