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PipeRendererItems.java
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PipeRendererItems.java
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package buildcraft.transport.client.render;
import org.lwjgl.opengl.GL11;
import net.minecraft.client.Minecraft;
import net.minecraft.client.renderer.GLAllocation;
import net.minecraft.client.renderer.GlStateManager;
import net.minecraft.client.renderer.entity.RenderEntityItem;
import net.minecraft.client.renderer.texture.TextureMap;
import net.minecraft.entity.item.EntityItem;
import net.minecraft.item.EnumDyeColor;
import net.minecraft.item.ItemStack;
import net.minecraft.util.EnumFacing;
import net.minecraft.util.Vec3;
import buildcraft.BuildCraftTransport;
import buildcraft.api.items.IItemCustomPipeRender;
import buildcraft.core.lib.EntityResizableCuboid;
import buildcraft.core.lib.client.render.RenderResizableCuboid;
import buildcraft.core.lib.client.render.RenderUtils;
import buildcraft.core.lib.utils.ColorUtils;
import buildcraft.core.lib.utils.Utils;
import buildcraft.transport.Pipe;
import buildcraft.transport.PipeIconProvider;
import buildcraft.transport.PipeTransportItems;
import buildcraft.transport.TravelingItem;
public class PipeRendererItems {
private static final int MAX_ITEMS_TO_RENDER = 10;
private static final EntityItem dummyEntityItem = new EntityItem(null);
private static final RenderEntityItem customRenderItem;
static {
customRenderItem = new RenderEntityItem(Minecraft.getMinecraft().getRenderManager(), Minecraft.getMinecraft().getRenderItem()) {
@Override
public boolean shouldBob() {
return false;
}
@Override
public boolean shouldSpreadItems() {
return false;
}
};
}
static void renderItemPipe(Pipe<PipeTransportItems> pipe, double x, double y, double z, float f) {
GL11.glPushMatrix();
float light = pipe.container.getWorld().getLightBrightness(pipe.container.getPos());
int count = 0;
for (TravelingItem item : pipe.transport.items) {
if (count >= MAX_ITEMS_TO_RENDER) {
break;
}
if (item == null || item.pos == null) {
continue;
}
EnumFacing face = item.toCenter ? item.input : item.output;
Vec3 motion = Utils.convert(face, item.getSpeed() * f);
doRenderItem(item, x + item.pos.xCoord - pipe.container.getPos().getX() + motion.xCoord, y + item.pos.yCoord - pipe.container.getPos()
.getY() + motion.yCoord, z + item.pos.zCoord - pipe.container.getPos().getZ() + motion.zCoord, light, item.color);
count++;
}
GL11.glPopMatrix();
}
public static void doRenderItem(TravelingItem travellingItem, double x, double y, double z, float light, EnumDyeColor color) {
if (travellingItem == null || travellingItem.getItemStack() == null) {
return;
}
float renderScale = 0.7f;
ItemStack itemstack = travellingItem.getItemStack();
GL11.glPushMatrix();
GL11.glTranslatef((float) x, (float) y + 0.05f, (float) z);
GL11.glPushMatrix();
GlStateManager.color(1, 1, 1, 1);
if (!travellingItem.hasDisplayList) {
travellingItem.displayList = GLAllocation.generateDisplayLists(1);
travellingItem.hasDisplayList = true;
GL11.glNewList(travellingItem.displayList, GL11.GL_COMPILE);
if (itemstack.getItem() instanceof IItemCustomPipeRender) {
IItemCustomPipeRender render = (IItemCustomPipeRender) itemstack.getItem();
float itemScale = render.getPipeRenderScale(itemstack);
GL11.glScalef(renderScale * itemScale, renderScale * itemScale, renderScale * itemScale);
itemScale = 1 / itemScale;
if (!render.renderItemInPipe(itemstack, x, y, z)) {
dummyEntityItem.setEntityItemStack(itemstack);
customRenderItem.doRender(dummyEntityItem, 0, 0, 0, 0, 0);
}
GL11.glScalef(itemScale, itemScale, itemScale);
} else {
GL11.glScalef(renderScale, renderScale, renderScale);
dummyEntityItem.setEntityItemStack(itemstack);
customRenderItem.doRender(dummyEntityItem, 0, 0, 0, 0, 0);
}
GL11.glEndList();
}
GL11.glCallList(travellingItem.displayList);
// Some items don't reset their colour properly, so lets just kick both the state manager AND OpenGL to the same
// state
GL11.glColor4f(1, 1, 1, 1);
GlStateManager.color(1, 1, 1, 1);
GL11.glPopMatrix();
if (color != null) {// The box around an item that decides what colour lenses it can go through
Minecraft.getMinecraft().getTextureManager().bindTexture(TextureMap.locationBlocksTexture);
EntityResizableCuboid erc = new EntityResizableCuboid(null);
erc.texture = BuildCraftTransport.instance.pipeIconProvider.getIcon(PipeIconProvider.TYPE.ItemBox.ordinal());
erc.xSize = 1;
erc.ySize = 1;
erc.zSize = 1;
GL11.glPushMatrix();
renderScale /= 2f;
GL11.glTranslatef(0, 0.2f, 0);
GL11.glScalef(renderScale, renderScale, renderScale);
GL11.glTranslatef(-0.5f, -0.5f, -0.5f);
RenderUtils.setGLColorFromInt(ColorUtils.getLightHex(color));
RenderResizableCuboid.INSTANCE.renderCube(erc);
GlStateManager.color(1, 1, 1, 1);
GL11.glPopMatrix();
}
GL11.glPopMatrix();
}
}