Example usage for org.lwjgl.opengl GL11 glRotatef

Introduction

In this page you can find the example usage for org.lwjgl.opengl GL11 glRotatef.

Prototype

public static native void glRotatef(@NativeType("GLfloat") float angle, @NativeType("GLfloat") float x,
        @NativeType("GLfloat") float y, @NativeType("GLfloat") float z);

Source Link

Document

Manipulates the current matrix with a rotation matrix.

Usage

From source file:de.sanandrew.mods.turretmod.client.render.item.ItemRendererTile.java

License:Creative Commons License

@Override
public void renderItem(ItemRenderType type, ItemStack stack, Object... data) {
    GL11.glPushMatrix();/*from www. j a  v a 2s.co  m*/
    GL11.glRotatef(90.0F, 0.0F, 1.0F, 0.0F);

    if (type == ItemRenderType.EQUIPPED || type == ItemRenderType.EQUIPPED_FIRST_PERSON) {
        GL11.glTranslatef(-1.0F, 0.0F, -0.0F);
    } else {
        GL11.glTranslatef(-0.5F, -0.5F, -0.5F);
    }

    GL11.glEnable(GL11.GL_ALPHA_TEST);
    TileEntityRendererDispatcher.instance.renderTileEntityAt(this.tile, 0.0D, 0.0D, 0.0D, 0.0F);
    GL11.glEnable(GL12.GL_RESCALE_NORMAL);
    GL11.glPopMatrix();
}

---

From source file:de.sanandrew.mods.turretmod.client.render.tileentity.RenderItemTransmitter.java

License:Creative Commons License

@Override
public void renderTileEntityAt(TileEntity tile, double x, double y, double z, float partTicks) {
    Minecraft mc = Minecraft.getMinecraft();

    if (this.tooltipFR == null) {
        this.tooltipFR = new FontRenderer(mc.gameSettings, new ResourceLocation("textures/font/ascii.png"),
                mc.renderEngine, true);//  w ww.  jav a 2s  .  c om
        if (mc.gameSettings.language != null) {
            this.tooltipFR.setBidiFlag(mc.getLanguageManager().isCurrentLanguageBidirectional());
        }
    }

    TileEntityItemTransmitter te = ((TileEntityItemTransmitter) tile);

    GL11.glPushMatrix();
    GL11.glTranslatef((float) x + 0.5F, (float) y + 1.5F, (float) z + 0.5F);
    GL11.glRotatef(180.0F, 1.0F, 0.0F, 0.0F);

    if (te.renderPass == 0) {
        GL11.glPushMatrix();
        this.bindTexture(Textures.TILE_ITEM_TRANSMITTER.getResource());
        this.modelBlock.render(0.0625F);
        this.bindTexture(Textures.TILE_ITEM_TRANSMITTER_GLOW.getResource());

        float prevBrightX = OpenGlHelper.lastBrightnessX;
        float prevBrightY = OpenGlHelper.lastBrightnessY;
        int bright = 0xF0;
        int brightX = bright % 65536;
        int brightY = bright / 65536;
        OpenGlHelper.setLightmapTextureCoords(OpenGlHelper.lightmapTexUnit, brightX / 1.0F, brightY / 1.0F);
        this.modelBlock.render(0.0625F);
        OpenGlHelper.setLightmapTextureCoords(OpenGlHelper.lightmapTexUnit, prevBrightX, prevBrightY);
        GL11.glPopMatrix();
    }
    //        else {
    //            MovingObjectPosition objPos = mc.objectMouseOver;
    //
    //            float prevBrightX = OpenGlHelper.lastBrightnessX;
    //            float prevBrightY = OpenGlHelper.lastBrightnessY;
    //            int bright = 0xF0;
    //            int brightX = bright % 65536;
    //            int brightY = bright / 65536;
    //            OpenGlHelper.setLightmapTextureCoords(OpenGlHelper.lightmapTexUnit, brightX / 1.0F, brightY / 1.0F);
    //
    //            if( objPos.typeOfHit == MovingObjectType.BLOCK && mc.theWorld.getTileEntity(objPos.blockX, objPos.blockY, objPos.blockZ) == te
    //                && mc.thePlayer.getHeldItem() != null && mc.thePlayer.getHeldItem().getItem() == TmrItems.turretCtrlUnit )
    //            {
    //                GL11.glPushMatrix();
    //                setupTooltipRenderer(mc, te, partTicks);
    //
    //                if( te.scaleTooltip < 1.0F ) {
    //                    te.scaleTooltip += 0.2F;
    //                } else {
    //                    te.scaleTooltip = 1.01F;
    //                }
    //                renderTooltipBg(Tessellator.instance, te.scaleTooltip);
    //
    //                if( te.scaleTooltip >= 1.0F ) {
    //                    if( te.lengthTooltipRod < 1.0F ) {
    //                        te.lengthTooltipRod += 0.1F;
    //                    } else {
    //                        te.lengthTooltipRod = 1.01F;
    //                    }
    //                    renderTooltipRod(Tessellator.instance, te.lengthTooltipRod);
    //                }
    //                finishTooltipRenderer();
    //
    //                if( te.scaleTooltip >= 1.0F ) {
    //                    renderTooltipText(this.tooltipFR, te, 0xFFFFFF, te.lengthTooltipRod);
    //                }
    //
    //                GL11.glPopMatrix();
    //            } else {
    //                if( te.timestampLastRendered < mc.theWorld.getTotalWorldTime() - 2 ) {
    //                    te.scaleTooltip = 0.0F;
    //                    te.lengthTooltipRod = 0.0F;
    //                } else if( te.scaleTooltip > 0.0F ) {
    //                    GL11.glPushMatrix();
    //                    setupTooltipRenderer(mc, te, partTicks);
    //                    if( te.lengthTooltipRod > 0.0F ) {
    //                        te.lengthTooltipRod -= 0.1F;
    //                        renderTooltipRod(Tessellator.instance, te.lengthTooltipRod);
    //                    } else {
    //                        te.lengthTooltipRod = -0.01F;
    //                    }
    //
    //                    if( te.lengthTooltipRod <= 0.0F ) {
    //                        if( te.scaleTooltip > 0.0F ) {
    //                            te.scaleTooltip -= 0.2F;
    //                        } else {
    //                            te.scaleTooltip = -0.01F;
    //                        }
    //                    }
    //                    renderTooltipBg(Tessellator.instance, te.scaleTooltip);
    //
    //                    finishTooltipRenderer();
    //
    //                    if( te.lengthTooltipRod > 0.0F ) {
    //                        renderTooltipText(this.tooltipFR, te, 0xFFFFFF, te.lengthTooltipRod);
    //                    }
    //                    GL11.glPopMatrix();
    //                }
    //            }
    //
    //            OpenGlHelper.setLightmapTextureCoords(OpenGlHelper.lightmapTexUnit, prevBrightX, prevBrightY);
    //
    //            te.timestampLastRendered = mc.theWorld.getTotalWorldTime();
    //        }

    GL11.glPopMatrix();
}

---

From source file:de.sanandrew.mods.turretmod.client.render.tileentity.RenderItemTransmitter.java

License:Creative Commons License

private static void renderTooltipText(FontRenderer fontRenderer, TileEntityItemTransmitter te, int color,
        float alpha) {
    GL11.glRotatef(180.0F, 0.0F, 1.0F, 0.0F);
    GL11.glTranslatef(-0.5F, 0.0F, 0.0F);
    GL11.glScalef(0.01F, 0.01F, 0.01F);/*  w  w w .ja v a2 s.  co  m*/
    GL11.glTranslatef(8.0F, 8.0F, -1.0F);
    int max = 0xE0;
    int alphaInt = Math.min(Math.max(0x04, MathHelper.ceiling_float_int(max * alpha)), max);
    ItemStack stack = te.getRequestItem();
    Turret turret = te.getRequestingTurret();
    String s;

    s = SAPUtils.translatePostFormat("Requesting: %s", te.getRequest().name());
    fontRenderer.drawString(s, 0, te.getRequest() == Request.NONE ? 18 : 0, color | (alphaInt << 24));
    if (te.getRequest() != Request.NONE && turret != null && stack != null) {
        s = SAPUtils.translatePostFormat("Item: %s x%d", stack.getDisplayName(), stack.stackSize);
        fontRenderer.drawString(s, 0, 9, color | (alphaInt << 24));
        s = SAPUtils.translatePostFormat("Turret: %s", turret.getTurretName());
        fontRenderer.drawString(s, 0, 18, color | (alphaInt << 24));
        s = SAPUtils.translatePostFormat("    @ x:%.0f y:%.0f z:%.0f", turret.getEntity().posX,
                turret.getEntity().posY, turret.getEntity().posZ);
        fontRenderer.drawString(s, 0, 27, color | (alphaInt << 24));
        s = SAPUtils.translatePostFormat("Expiration time: %d", te.requestTimeout);
        fontRenderer.drawString(s, 0, 36, color | (alphaInt << 24));
    }
}

---

From source file:de.sanandrew.mods.varietychests.client.ItemRendererCustomChest.java

License:Creative Commons License

@Override
public void renderItem(ItemRenderType type, ItemStack item, Object... data) {
    GL11.glPushMatrix();/* w  w  w  .ja  v a 2  s . c  o m*/
    GL11.glRotatef(90.0F, 0.0F, 1.0F, 0.0F);

    if (type == ItemRenderType.EQUIPPED || type == ItemRenderType.EQUIPPED_FIRST_PERSON) {
        GL11.glTranslatef(-1.0F, 0.0F, -0.0F);
    } else {
        GL11.glTranslatef(-0.5F, -0.5F, -0.5F);
    }

    this.chest.chestType = ChestType.getTypeFromItemStack(item);
    TileEntityRendererDispatcher.instance.renderTileEntityAt(this.chest, 0.0D, 0.0D, 0.0D, 0.0F);
    GL11.glEnable(GL12.GL_RESCALE_NORMAL);
    GL11.glPopMatrix();
}

---

From source file:de.sanandrew.mods.varietychests.client.renderer.ItemRendererCustomChest.java

License:Creative Commons License

@Override
public void renderItem(ItemRenderType type, ItemStack stack, Object... data) {
    GL11.glPushMatrix();//from w  ww.j a  v a 2 s .c  om
    GL11.glRotatef(90.0F, 0.0F, 1.0F, 0.0F);

    if (type == ItemRenderType.EQUIPPED || type == ItemRenderType.EQUIPPED_FIRST_PERSON) {
        GL11.glTranslatef(-1.0F, 0.0F, -0.0F);
    } else {
        GL11.glTranslatef(-0.5F, -0.5F, -0.5F);
    }

    this.chest.blockType = Block.getBlockFromItem(stack.getItem());
    this.chest.chestType = ChestType.getType(stack);
    GL11.glEnable(GL11.GL_ALPHA_TEST);
    TileEntityRendererDispatcher.instance.renderTileEntityAt(this.chest, 0.0D, 0.0D, 0.0D, 0.0F);
    GL11.glEnable(GL12.GL_RESCALE_NORMAL);
    GL11.glPopMatrix();
}

---

From source file:de.sanandrew.mods.varietychests.client.renderer.TileEntityCustomChestRenderer.java

License:Creative Commons License

public void renderChestAt(TileEntityCustomChest chest, double x, double y, double z, float partTicks,
        int pass) {
    int meta;/*  w  w w .  j a  va 2  s  .com*/

    if (!chest.hasWorldObj()) {
        meta = 0;
    } else {
        Block block = chest.getBlockType();
        meta = chest.getBlockMetadata();

        if (block instanceof BlockCustomChest && meta == 0) {
            try {
                ((BlockCustomChest) block).func_149954_e(chest.getWorldObj(), chest.xCoord, chest.yCoord,
                        chest.zCoord);
            } catch (ClassCastException e) {
                FMLLog.severe("Attempted to render a chest at %d,  %d, %d that was not a chest", chest.xCoord,
                        chest.yCoord, chest.zCoord);
            }

            meta = chest.getBlockMetadata();
        }

        chest.checkForAdjacentChests();
    }

    if (chest.adjacentChestZNeg == null && chest.adjacentChestXNeg == null) {
        ModelChest modelchest;

        if (chest.adjacentChestXPos == null && chest.adjacentChestZPos == null) {
            modelchest = this.modelSingleChest;

            if (pass == 0) {
                this.bindTexture(chest.getChestType().textureSng);
            } else {
                if (chest.blockType == VarietyChests.customGlowingChest) {
                    this.bindTexture(Textures.CHEST_GLOWMAP_SNG);
                } else if (chest.blockType == VarietyChests.customTrapChest) {
                    this.bindTexture(Textures.CHEST_TRAPMAP_SNG);
                }
            }

        } else {
            modelchest = this.modelDoubleChest;

            if (pass == 0) {
                this.bindTexture(chest.getChestType().textureDbl);
            } else {
                if (chest.blockType == VarietyChests.customGlowingChest) {
                    this.bindTexture(Textures.CHEST_GLOWMAP_DBL);
                } else if (chest.blockType == VarietyChests.customTrapChest) {
                    this.bindTexture(Textures.CHEST_TRAPMAP_DBL);
                }
            }
        }

        GL11.glPushMatrix();
        GL11.glEnable(GL12.GL_RESCALE_NORMAL);
        GL11.glColor4f(1.0F, 1.0F, 1.0F, 1.0F);
        GL11.glTranslatef((float) x, (float) y + 1.0F, (float) z + 1.0F);
        GL11.glScalef(1.0F, -1.0F, -1.0F);
        GL11.glTranslatef(0.5F, 0.5F, 0.5F);
        short short1 = 0;

        if (meta == 2) {
            short1 = 180;
        }

        if (meta == 3) {
            short1 = 0;
        }

        if (meta == 4) {
            short1 = 90;
        }

        if (meta == 5) {
            short1 = -90;
        }

        if (meta == 2 && chest.adjacentChestXPos != null) {
            GL11.glTranslatef(1.0F, 0.0F, 0.0F);
        }

        if (meta == 5 && chest.adjacentChestZPos != null) {
            GL11.glTranslatef(0.0F, 0.0F, -1.0F);
        }

        GL11.glRotatef((float) short1, 0.0F, 1.0F, 0.0F);
        GL11.glTranslatef(-0.5F, -0.5F, -0.5F);
        float f1 = chest.prevLidAngle + (chest.lidAngle - chest.prevLidAngle) * partTicks;
        float f2;

        if (chest.adjacentChestZNeg != null) {
            f2 = chest.adjacentChestZNeg.prevLidAngle
                    + (chest.adjacentChestZNeg.lidAngle - chest.adjacentChestZNeg.prevLidAngle) * partTicks;

            if (f2 > f1) {
                f1 = f2;
            }
        }

        if (chest.adjacentChestXNeg != null) {
            f2 = chest.adjacentChestXNeg.prevLidAngle
                    + (chest.adjacentChestXNeg.lidAngle - chest.adjacentChestXNeg.prevLidAngle) * partTicks;

            if (f2 > f1) {
                f1 = f2;
            }
        }

        f1 = 1.0F - f1;
        f1 = 1.0F - f1 * f1 * f1;
        modelchest.chestLid.rotateAngleX = -(f1 * (float) Math.PI / 2.0F);
        if (pass == 1) {
            GL11.glEnable(GL11.GL_BLEND);
            OpenGlHelper.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA, GL11.GL_ONE, GL11.GL_ZERO);
            modelchest.renderAll();
            GL11.glDisable(GL11.GL_BLEND);
        } else {
            modelchest.renderAll();
        }
        GL11.glDisable(GL12.GL_RESCALE_NORMAL);
        GL11.glPopMatrix();
        GL11.glColor4f(1.0F, 1.0F, 1.0F, 1.0F);
    }
}

---

From source file:de.sanandrew.mods.varietychests.client.TileEntityCustomChestRenderer.java

License:Creative Commons License

public void renderTileEntityAt(TileEntityCustomChest chest, double x, double y, double z, float partTicks) {
    int meta;/* w w  w .  j  a v a2s.  com*/

    if (!chest.hasWorldObj()) {
        meta = 0;
    } else {
        Block block = chest.getBlockType();
        meta = chest.getBlockMetadata();

        if (block instanceof BlockCustomChest && meta == 0) {
            try {
                ((BlockCustomChest) block).func_149954_e(chest.getWorldObj(), chest.xCoord, chest.yCoord,
                        chest.zCoord);
            } catch (ClassCastException e) {
                FMLLog.severe("Attempted to render a chest at %d,  %d, %d that was not a chest", chest.xCoord,
                        chest.yCoord, chest.zCoord);
            }

            meta = chest.getBlockMetadata();
        }

        chest.checkForAdjacentChests();
    }

    if (chest.adjacentChestZNeg == null && chest.adjacentChestXNeg == null) {
        ModelChest modelchest;

        if (chest.adjacentChestXPos == null && chest.adjacentChestZPos == null) {
            modelchest = this.modelSingleChest;

            this.bindTexture(chest.getChestType().textureSng);
        } else {
            modelchest = this.modelDoubleChest;

            this.bindTexture(chest.getChestType().textureDbl);
        }

        GL11.glPushMatrix();
        GL11.glEnable(GL12.GL_RESCALE_NORMAL);
        GL11.glColor4f(1.0F, 1.0F, 1.0F, 1.0F);
        GL11.glTranslatef((float) x, (float) y + 1.0F, (float) z + 1.0F);
        GL11.glScalef(1.0F, -1.0F, -1.0F);
        GL11.glTranslatef(0.5F, 0.5F, 0.5F);
        short short1 = 0;

        if (meta == 2) {
            short1 = 180;
        }

        if (meta == 3) {
            short1 = 0;
        }

        if (meta == 4) {
            short1 = 90;
        }

        if (meta == 5) {
            short1 = -90;
        }

        if (meta == 2 && chest.adjacentChestXPos != null) {
            GL11.glTranslatef(1.0F, 0.0F, 0.0F);
        }

        if (meta == 5 && chest.adjacentChestZPos != null) {
            GL11.glTranslatef(0.0F, 0.0F, -1.0F);
        }

        GL11.glRotatef((float) short1, 0.0F, 1.0F, 0.0F);
        GL11.glTranslatef(-0.5F, -0.5F, -0.5F);
        float f1 = chest.prevLidAngle + (chest.lidAngle - chest.prevLidAngle) * partTicks;
        float f2;

        if (chest.adjacentChestZNeg != null) {
            f2 = chest.adjacentChestZNeg.prevLidAngle
                    + (chest.adjacentChestZNeg.lidAngle - chest.adjacentChestZNeg.prevLidAngle) * partTicks;

            if (f2 > f1) {
                f1 = f2;
            }
        }

        if (chest.adjacentChestXNeg != null) {
            f2 = chest.adjacentChestXNeg.prevLidAngle
                    + (chest.adjacentChestXNeg.lidAngle - chest.adjacentChestXNeg.prevLidAngle) * partTicks;

            if (f2 > f1) {
                f1 = f2;
            }
        }

        f1 = 1.0F - f1;
        f1 = 1.0F - f1 * f1 * f1;
        modelchest.chestLid.rotateAngleX = -(f1 * (float) Math.PI / 2.0F);
        modelchest.renderAll();
        GL11.glDisable(GL12.GL_RESCALE_NORMAL);
        GL11.glPopMatrix();
        GL11.glColor4f(1.0F, 1.0F, 1.0F, 1.0F);
    }
}

---

From source file:dynamicswordskills.client.RenderEntitySwordBeam.java

License:Open Source License

public void renderBeam(Entity entity, double x, double y, double z, float yaw, float partialTick) {
    GL11.glPushMatrix();/*  ww w .  ja va 2s . com*/
    GL11.glTranslated(x, y, z);
    GL11.glEnable(GL11.GL_BLEND);
    GL11.glDisable(GL11.GL_LIGHTING);
    GL11.glEnable(GL11.GL_TEXTURE_2D);
    GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);
    GL11.glScalef(1.5F, 1.25F, 1.5F);
    bindTexture(texture);
    Tessellator tessellator = Tessellator.getInstance();
    WorldRenderer renderer = tessellator.getWorldRenderer();
    GL11.glRotatef(180.0F - renderManager.playerViewY, 0.0F, 1.0F, 0.0F);
    GL11.glRotatef(-renderManager.playerViewX, 1.0F, 0.0F, 0.0F);
    renderer.startDrawingQuads();
    renderer.setNormal(0.0F, 1.0F, 0.0F);
    renderer.addVertexWithUV(-0.5D, -0.25D, 0.0D, 0, 1);
    renderer.addVertexWithUV(0.5D, -0.25D, 0.0D, 1, 1);
    renderer.addVertexWithUV(0.5D, 0.75D, 0.0D, 1, 0);
    renderer.addVertexWithUV(-0.5D, 0.75D, 0.0D, 0, 0);
    tessellator.draw();
    GL11.glDisable(GL12.GL_RESCALE_NORMAL);
    GL11.glEnable(GL11.GL_LIGHTING);
    GL11.glDisable(GL11.GL_BLEND);
    GL11.glPopMatrix();
}

---

From source file:edu.csun.ecs.cs.multitouchj.ui.control.FramedControl.java

License:Apache License

public void render() {
    // render with no texture
    Texture texture = getTexture();/* www .j av a 2 s  .c o m*/
    setTexture((Texture) null);

    GL11.glPushMatrix();
    GL11.glLoadIdentity();
    super.render();
    GL11.glPopMatrix();

    setTexture(texture);

    // rendering texture
    if ((!isVisible()) || (texture == null)) {
        return;
    }

    Size controlSize = getSize();
    Size imageSize = texture.getImage().getSize();
    float margin = getMargin();
    if ((margin >= controlSize.getWidth()) || (margin >= controlSize.getHeight())) {
        margin = 0.0f;
    }

    Color color = getColor();
    GL11.glEnable(GL11.GL_BLEND);
    GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);
    GL11.glColor4f(((float) color.getRed() / 255.0f), ((float) color.getGreen() / 255.0f),
            ((float) color.getBlue() / 255.0f), getOpacity());

    Point position = getOpenGlPosition();
    float halfWidth = (controlSize.getWidth() / 2.0f);
    float halfHeight = (controlSize.getHeight() / 2.0f);
    GL11.glTranslatef(position.getX(), position.getY(), 0.0f);

    float rotation = OpenGlUtility.getOpenGlRotation(getRotation());
    GL11.glRotatef(rotation, 0.0f, 0.0f, 1.0f);

    // render texture
    GL11.glEnable(EXTTextureRectangle.GL_TEXTURE_RECTANGLE_EXT);
    GL11.glBindTexture(EXTTextureRectangle.GL_TEXTURE_RECTANGLE_EXT, texture.getId().intValue());

    GL11.glBegin(GL11.GL_QUADS);
    GL11.glTexCoord2f(0.0f, 0.0f);
    GL11.glVertex3f(((-1 * halfWidth) + margin), ((-1 * halfHeight) + margin), 0.0f);

    GL11.glTexCoord2f(imageSize.getWidth(), 0.0f);
    GL11.glVertex3f((halfWidth - margin), ((-1 * halfHeight) + margin), 0.0f);

    GL11.glTexCoord2f(imageSize.getWidth(), imageSize.getHeight());
    GL11.glVertex3f((halfWidth - margin), (halfHeight - margin), 0.0f);

    GL11.glTexCoord2f(0.0f, imageSize.getHeight());
    GL11.glVertex3f(((-1 * halfWidth) + margin), (halfHeight - margin), 0.0f);
    GL11.glEnd();
}

---

From source file:edu.csun.ecs.cs.multitouchj.ui.control.TexturedControl.java

License:Apache License

public void render() {
    if (!isVisible()) {
        return;// ww  w .  ja  v  a  2 s. c o m
    }

    Size controlSize = getSize();
    Size imageSize = null;
    if (texture != null) {
        imageSize = texture.getImage().getSize();
    }

    Color color = getColor();
    GL11.glEnable(GL11.GL_BLEND);
    GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);
    GL11.glColor4f(((float) color.getRed() / 255.0f), ((float) color.getGreen() / 255.0f),
            ((float) color.getBlue() / 255.0f), getOpacity());

    Point position = getOpenGlPosition();
    float halfWidth = (controlSize.getWidth() / 2.0f);
    float halfHeight = (controlSize.getHeight() / 2.0f);
    GL11.glTranslatef(position.getX(), position.getY(), 0.0f);

    float rotation = OpenGlUtility.getOpenGlRotation(getRotation());
    GL11.glRotatef(rotation, 0.0f, 0.0f, 1.0f);

    if (texture != null) {
        GL11.glEnable(EXTTextureRectangle.GL_TEXTURE_RECTANGLE_EXT);
        GL11.glBindTexture(EXTTextureRectangle.GL_TEXTURE_RECTANGLE_EXT, texture.getId().intValue());
    } else {
        GL11.glDisable(EXTTextureRectangle.GL_TEXTURE_RECTANGLE_EXT);
    }

    // bl -> br -> tr -> tl
    GL11.glBegin(GL11.GL_QUADS);
    if (texture != null) {
        GL11.glTexCoord2f(0.0f, 0.0f);
    }
    GL11.glVertex3f((-1 * halfWidth), (-1 * halfHeight), 0.0f);

    if (texture != null) {
        GL11.glTexCoord2f(imageSize.getWidth(), 0.0f);
    }
    GL11.glVertex3f(halfWidth, (-1 * halfHeight), 0.0f);

    if (texture != null) {
        GL11.glTexCoord2f(imageSize.getWidth(), imageSize.getHeight());
    }
    GL11.glVertex3f(halfWidth, halfHeight, 0.0f);

    if (texture != null) {
        GL11.glTexCoord2f(0.0f, imageSize.getHeight());
    }
    GL11.glVertex3f((-1 * halfWidth), halfHeight, 0.0f);
    GL11.glEnd();
}

---

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