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