001package net.minecraft.client.renderer;
002
003import cpw.mods.fml.relauncher.Side;
004import cpw.mods.fml.relauncher.SideOnly;
005import java.awt.image.BufferedImage;
006import java.nio.FloatBuffer;
007import java.util.List;
008import java.util.Random;
009import net.minecraft.block.Block;
010import net.minecraft.block.material.Material;
011import net.minecraft.client.Minecraft;
012import net.minecraft.client.entity.EntityPlayerSP;
013import net.minecraft.client.gui.ScaledResolution;
014import net.minecraft.client.multiplayer.WorldClient;
015import net.minecraft.client.particle.EffectRenderer;
016import net.minecraft.client.particle.EntityRainFX;
017import net.minecraft.client.particle.EntitySmokeFX;
018import net.minecraft.client.renderer.culling.ClippingHelperImpl;
019import net.minecraft.client.renderer.culling.Frustrum;
020import net.minecraft.crash.CrashReport;
021import net.minecraft.crash.CrashReportCategory;
022import net.minecraft.entity.Entity;
023import net.minecraft.entity.EntityLiving;
024import net.minecraft.entity.boss.BossStatus;
025import net.minecraft.entity.player.EntityPlayer;
026import net.minecraft.potion.Potion;
027import net.minecraft.util.AxisAlignedBB;
028import net.minecraft.util.MathHelper;
029import net.minecraft.util.MouseFilter;
030import net.minecraft.util.MovingObjectPosition;
031import net.minecraft.util.ReportedException;
032import net.minecraft.util.Vec3;
033import net.minecraft.world.biome.BiomeGenBase;
034import org.lwjgl.input.Mouse;
035import org.lwjgl.opengl.Display;
036import org.lwjgl.opengl.GL11;
037import org.lwjgl.opengl.GLContext;
038import org.lwjgl.util.glu.GLU;
039
040import net.minecraftforge.client.ForgeHooksClient;
041import net.minecraftforge.client.event.DrawBlockHighlightEvent;
042import net.minecraftforge.client.event.RenderWorldLastEvent;
043import net.minecraftforge.common.MinecraftForge;
044
045@SideOnly(Side.CLIENT)
046public class EntityRenderer
047{
048    public static boolean anaglyphEnable = false;
049
050    /** Anaglyph field (0=R, 1=GB) */
051    public static int anaglyphField;
052
053    /** A reference to the Minecraft object. */
054    private Minecraft mc;
055    private float farPlaneDistance = 0.0F;
056    public ItemRenderer itemRenderer;
057
058    /** Entity renderer update count */
059    private int rendererUpdateCount;
060
061    /** Pointed entity */
062    private Entity pointedEntity = null;
063    private MouseFilter mouseFilterXAxis = new MouseFilter();
064    private MouseFilter mouseFilterYAxis = new MouseFilter();
065
066    /** Mouse filter dummy 1 */
067    private MouseFilter mouseFilterDummy1 = new MouseFilter();
068
069    /** Mouse filter dummy 2 */
070    private MouseFilter mouseFilterDummy2 = new MouseFilter();
071
072    /** Mouse filter dummy 3 */
073    private MouseFilter mouseFilterDummy3 = new MouseFilter();
074
075    /** Mouse filter dummy 4 */
076    private MouseFilter mouseFilterDummy4 = new MouseFilter();
077    private float thirdPersonDistance = 4.0F;
078
079    /** Third person distance temp */
080    private float thirdPersonDistanceTemp = 4.0F;
081    private float debugCamYaw = 0.0F;
082    private float prevDebugCamYaw = 0.0F;
083    private float debugCamPitch = 0.0F;
084    private float prevDebugCamPitch = 0.0F;
085
086    /** Smooth cam yaw */
087    private float smoothCamYaw;
088
089    /** Smooth cam pitch */
090    private float smoothCamPitch;
091
092    /** Smooth cam filter X */
093    private float smoothCamFilterX;
094
095    /** Smooth cam filter Y */
096    private float smoothCamFilterY;
097
098    /** Smooth cam partial ticks */
099    private float smoothCamPartialTicks;
100    private float debugCamFOV = 0.0F;
101    private float prevDebugCamFOV = 0.0F;
102    private float camRoll = 0.0F;
103    private float prevCamRoll = 0.0F;
104
105    /**
106     * The texture id of the blocklight/skylight texture used for lighting effects
107     */
108    public int lightmapTexture;
109
110    /**
111     * Colors computed in updateLightmap() and loaded into the lightmap emptyTexture
112     */
113    private int[] lightmapColors;
114
115    /** FOV modifier hand */
116    private float fovModifierHand;
117
118    /** FOV modifier hand prev */
119    private float fovModifierHandPrev;
120
121    /** FOV multiplier temp */
122    private float fovMultiplierTemp;
123    private float field_82831_U;
124    private float field_82832_V;
125
126    /** Cloud fog mode */
127    private boolean cloudFog = false;
128    private double cameraZoom = 1.0D;
129    private double cameraYaw = 0.0D;
130    private double cameraPitch = 0.0D;
131
132    /** Previous frame time in milliseconds */
133    private long prevFrameTime = Minecraft.getSystemTime();
134
135    /** End time of last render (ns) */
136    private long renderEndNanoTime = 0L;
137
138    /**
139     * Is set, updateCameraAndRender() calls updateLightmap(); set by updateTorchFlicker()
140     */
141    private boolean lightmapUpdateNeeded = false;
142
143    /** Torch flicker X */
144    float torchFlickerX = 0.0F;
145
146    /** Torch flicker DX */
147    float torchFlickerDX = 0.0F;
148
149    /** Torch flicker Y */
150    float torchFlickerY = 0.0F;
151
152    /** Torch flicker DY */
153    float torchFlickerDY = 0.0F;
154    private Random random = new Random();
155
156    /** Rain sound counter */
157    private int rainSoundCounter = 0;
158
159    /** Rain X coords */
160    float[] rainXCoords;
161
162    /** Rain Y coords */
163    float[] rainYCoords;
164    volatile int field_78523_k = 0;
165    volatile int field_78520_l = 0;
166
167    /** Fog color buffer */
168    FloatBuffer fogColorBuffer = GLAllocation.createDirectFloatBuffer(16);
169
170    /** red component of the fog color */
171    float fogColorRed;
172
173    /** green component of the fog color */
174    float fogColorGreen;
175
176    /** blue component of the fog color */
177    float fogColorBlue;
178
179    /** Fog color 2 */
180    private float fogColor2;
181
182    /** Fog color 1 */
183    private float fogColor1;
184
185    /**
186     * Debug view direction (0=OFF, 1=Front, 2=Right, 3=Back, 4=Left, 5=TiltLeft, 6=TiltRight)
187     */
188    public int debugViewDirection;
189
190    public EntityRenderer(Minecraft par1Minecraft)
191    {
192        this.mc = par1Minecraft;
193        this.itemRenderer = new ItemRenderer(par1Minecraft);
194        this.lightmapTexture = par1Minecraft.renderEngine.allocateAndSetupTexture(new BufferedImage(16, 16, 1));
195        this.lightmapColors = new int[256];
196    }
197
198    /**
199     * Updates the entity renderer
200     */
201    public void updateRenderer()
202    {
203        this.updateFovModifierHand();
204        this.updateTorchFlicker();
205        this.fogColor2 = this.fogColor1;
206        this.thirdPersonDistanceTemp = this.thirdPersonDistance;
207        this.prevDebugCamYaw = this.debugCamYaw;
208        this.prevDebugCamPitch = this.debugCamPitch;
209        this.prevDebugCamFOV = this.debugCamFOV;
210        this.prevCamRoll = this.camRoll;
211        float var1;
212        float var2;
213
214        if (this.mc.gameSettings.smoothCamera)
215        {
216            var1 = this.mc.gameSettings.mouseSensitivity * 0.6F + 0.2F;
217            var2 = var1 * var1 * var1 * 8.0F;
218            this.smoothCamFilterX = this.mouseFilterXAxis.smooth(this.smoothCamYaw, 0.05F * var2);
219            this.smoothCamFilterY = this.mouseFilterYAxis.smooth(this.smoothCamPitch, 0.05F * var2);
220            this.smoothCamPartialTicks = 0.0F;
221            this.smoothCamYaw = 0.0F;
222            this.smoothCamPitch = 0.0F;
223        }
224
225        if (this.mc.renderViewEntity == null)
226        {
227            this.mc.renderViewEntity = this.mc.thePlayer;
228        }
229
230        var1 = this.mc.theWorld.getLightBrightness(MathHelper.floor_double(this.mc.renderViewEntity.posX), MathHelper.floor_double(this.mc.renderViewEntity.posY), MathHelper.floor_double(this.mc.renderViewEntity.posZ));
231        var2 = (float)(3 - this.mc.gameSettings.renderDistance) / 3.0F;
232        float var3 = var1 * (1.0F - var2) + var2;
233        this.fogColor1 += (var3 - this.fogColor1) * 0.1F;
234        ++this.rendererUpdateCount;
235        this.itemRenderer.updateEquippedItem();
236        this.addRainParticles();
237        this.field_82832_V = this.field_82831_U;
238
239        if (BossStatus.field_82825_d)
240        {
241            this.field_82831_U += 0.05F;
242
243            if (this.field_82831_U > 1.0F)
244            {
245                this.field_82831_U = 1.0F;
246            }
247
248            BossStatus.field_82825_d = false;
249        }
250        else if (this.field_82831_U > 0.0F)
251        {
252            this.field_82831_U -= 0.0125F;
253        }
254    }
255
256    /**
257     * Finds what block or object the mouse is over at the specified partial tick time. Args: partialTickTime
258     */
259    public void getMouseOver(float par1)
260    {
261        if (this.mc.renderViewEntity != null)
262        {
263            if (this.mc.theWorld != null)
264            {
265                double var2 = (double)this.mc.playerController.getBlockReachDistance();
266                this.mc.objectMouseOver = this.mc.renderViewEntity.rayTrace(var2, par1);
267                double var4 = var2;
268                Vec3 var6 = this.mc.renderViewEntity.getPosition(par1);
269
270                if (this.mc.playerController.extendedReach())
271                {
272                    var2 = 6.0D;
273                    var4 = 6.0D;
274                }
275                else
276                {
277                    if (var2 > 3.0D)
278                    {
279                        var4 = 3.0D;
280                    }
281
282                    var2 = var4;
283                }
284
285                if (this.mc.objectMouseOver != null)
286                {
287                    var4 = this.mc.objectMouseOver.hitVec.distanceTo(var6);
288                }
289
290                Vec3 var7 = this.mc.renderViewEntity.getLook(par1);
291                Vec3 var8 = var6.addVector(var7.xCoord * var2, var7.yCoord * var2, var7.zCoord * var2);
292                this.pointedEntity = null;
293                float var9 = 1.0F;
294                List var10 = this.mc.theWorld.getEntitiesWithinAABBExcludingEntity(this.mc.renderViewEntity, this.mc.renderViewEntity.boundingBox.addCoord(var7.xCoord * var2, var7.yCoord * var2, var7.zCoord * var2).expand((double)var9, (double)var9, (double)var9));
295                double var11 = var4;
296
297                for (int var13 = 0; var13 < var10.size(); ++var13)
298                {
299                    Entity var14 = (Entity)var10.get(var13);
300
301                    if (var14.canBeCollidedWith())
302                    {
303                        float var15 = var14.getCollisionBorderSize();
304                        AxisAlignedBB var16 = var14.boundingBox.expand((double)var15, (double)var15, (double)var15);
305                        MovingObjectPosition var17 = var16.calculateIntercept(var6, var8);
306
307                        if (var16.isVecInside(var6))
308                        {
309                            if (0.0D < var11 || var11 == 0.0D)
310                            {
311                                this.pointedEntity = var14;
312                                var11 = 0.0D;
313                            }
314                        }
315                        else if (var17 != null)
316                        {
317                            double var18 = var6.distanceTo(var17.hitVec);
318
319                            if (var18 < var11 || var11 == 0.0D)
320                            {
321                                this.pointedEntity = var14;
322                                var11 = var18;
323                            }
324                        }
325                    }
326                }
327
328                if (this.pointedEntity != null && (var11 < var4 || this.mc.objectMouseOver == null))
329                {
330                    this.mc.objectMouseOver = new MovingObjectPosition(this.pointedEntity);
331                }
332            }
333        }
334    }
335
336    /**
337     * Update FOV modifier hand
338     */
339    private void updateFovModifierHand()
340    {
341        if (mc.renderViewEntity instanceof EntityPlayerSP)
342        {
343            EntityPlayerSP var1 = (EntityPlayerSP)this.mc.renderViewEntity;
344            this.fovMultiplierTemp = var1.getFOVMultiplier();
345        }
346        else
347        {
348            this.fovMultiplierTemp = mc.thePlayer.getFOVMultiplier();
349        }
350        this.fovModifierHandPrev = this.fovModifierHand;
351        this.fovModifierHand += (this.fovMultiplierTemp - this.fovModifierHand) * 0.5F;
352    }
353
354    /**
355     * Changes the field of view of the player depending on if they are underwater or not
356     */
357    private float getFOVModifier(float par1, boolean par2)
358    {
359        if (this.debugViewDirection > 0)
360        {
361            return 90.0F;
362        }
363        else
364        {
365            EntityLiving var3 = (EntityLiving)this.mc.renderViewEntity;
366            float var4 = 70.0F;
367
368            if (par2)
369            {
370                var4 += this.mc.gameSettings.fovSetting * 40.0F;
371                var4 *= this.fovModifierHandPrev + (this.fovModifierHand - this.fovModifierHandPrev) * par1;
372            }
373
374            if (var3.getHealth() <= 0)
375            {
376                float var5 = (float)var3.deathTime + par1;
377                var4 /= (1.0F - 500.0F / (var5 + 500.0F)) * 2.0F + 1.0F;
378            }
379
380            int var6 = ActiveRenderInfo.getBlockIdAtEntityViewpoint(this.mc.theWorld, var3, par1);
381
382            if (var6 != 0 && Block.blocksList[var6].blockMaterial == Material.water)
383            {
384                var4 = var4 * 60.0F / 70.0F;
385            }
386
387            return var4 + this.prevDebugCamFOV + (this.debugCamFOV - this.prevDebugCamFOV) * par1;
388        }
389    }
390
391    private void hurtCameraEffect(float par1)
392    {
393        EntityLiving var2 = this.mc.renderViewEntity;
394        float var3 = (float)var2.hurtTime - par1;
395        float var4;
396
397        if (var2.getHealth() <= 0)
398        {
399            var4 = (float)var2.deathTime + par1;
400            GL11.glRotatef(40.0F - 8000.0F / (var4 + 200.0F), 0.0F, 0.0F, 1.0F);
401        }
402
403        if (var3 >= 0.0F)
404        {
405            var3 /= (float)var2.maxHurtTime;
406            var3 = MathHelper.sin(var3 * var3 * var3 * var3 * (float)Math.PI);
407            var4 = var2.attackedAtYaw;
408            GL11.glRotatef(-var4, 0.0F, 1.0F, 0.0F);
409            GL11.glRotatef(-var3 * 14.0F, 0.0F, 0.0F, 1.0F);
410            GL11.glRotatef(var4, 0.0F, 1.0F, 0.0F);
411        }
412    }
413
414    /**
415     * Setups all the GL settings for view bobbing. Args: partialTickTime
416     */
417    private void setupViewBobbing(float par1)
418    {
419        if (this.mc.renderViewEntity instanceof EntityPlayer)
420        {
421            EntityPlayer var2 = (EntityPlayer)this.mc.renderViewEntity;
422            float var3 = var2.distanceWalkedModified - var2.prevDistanceWalkedModified;
423            float var4 = -(var2.distanceWalkedModified + var3 * par1);
424            float var5 = var2.prevCameraYaw + (var2.cameraYaw - var2.prevCameraYaw) * par1;
425            float var6 = var2.prevCameraPitch + (var2.cameraPitch - var2.prevCameraPitch) * par1;
426            GL11.glTranslatef(MathHelper.sin(var4 * (float)Math.PI) * var5 * 0.5F, -Math.abs(MathHelper.cos(var4 * (float)Math.PI) * var5), 0.0F);
427            GL11.glRotatef(MathHelper.sin(var4 * (float)Math.PI) * var5 * 3.0F, 0.0F, 0.0F, 1.0F);
428            GL11.glRotatef(Math.abs(MathHelper.cos(var4 * (float)Math.PI - 0.2F) * var5) * 5.0F, 1.0F, 0.0F, 0.0F);
429            GL11.glRotatef(var6, 1.0F, 0.0F, 0.0F);
430        }
431    }
432
433    /**
434     * sets up player's eye (or camera in third person mode)
435     */
436    private void orientCamera(float par1)
437    {
438        EntityLiving var2 = this.mc.renderViewEntity;
439        float var3 = var2.yOffset - 1.62F;
440        double var4 = var2.prevPosX + (var2.posX - var2.prevPosX) * (double)par1;
441        double var6 = var2.prevPosY + (var2.posY - var2.prevPosY) * (double)par1 - (double)var3;
442        double var8 = var2.prevPosZ + (var2.posZ - var2.prevPosZ) * (double)par1;
443        GL11.glRotatef(this.prevCamRoll + (this.camRoll - this.prevCamRoll) * par1, 0.0F, 0.0F, 1.0F);
444
445        if (var2.isPlayerSleeping())
446        {
447            var3 = (float)((double)var3 + 1.0D);
448            GL11.glTranslatef(0.0F, 0.3F, 0.0F);
449
450            if (!this.mc.gameSettings.debugCamEnable)
451            {
452                ForgeHooksClient.orientBedCamera(mc, var2);
453                GL11.glRotatef(var2.prevRotationYaw + (var2.rotationYaw - var2.prevRotationYaw) * par1 + 180.0F, 0.0F, -1.0F, 0.0F);
454                GL11.glRotatef(var2.prevRotationPitch + (var2.rotationPitch - var2.prevRotationPitch) * par1, -1.0F, 0.0F, 0.0F);
455            }
456        }
457        else if (this.mc.gameSettings.thirdPersonView > 0)
458        {
459            double var27 = (double)(this.thirdPersonDistanceTemp + (this.thirdPersonDistance - this.thirdPersonDistanceTemp) * par1);
460            float var13;
461            float var28;
462
463            if (this.mc.gameSettings.debugCamEnable)
464            {
465                var28 = this.prevDebugCamYaw + (this.debugCamYaw - this.prevDebugCamYaw) * par1;
466                var13 = this.prevDebugCamPitch + (this.debugCamPitch - this.prevDebugCamPitch) * par1;
467                GL11.glTranslatef(0.0F, 0.0F, (float)(-var27));
468                GL11.glRotatef(var13, 1.0F, 0.0F, 0.0F);
469                GL11.glRotatef(var28, 0.0F, 1.0F, 0.0F);
470            }
471            else
472            {
473                var28 = var2.rotationYaw;
474                var13 = var2.rotationPitch;
475
476                if (this.mc.gameSettings.thirdPersonView == 2)
477                {
478                    var13 += 180.0F;
479                }
480
481                double var14 = (double)(-MathHelper.sin(var28 / 180.0F * (float)Math.PI) * MathHelper.cos(var13 / 180.0F * (float)Math.PI)) * var27;
482                double var16 = (double)(MathHelper.cos(var28 / 180.0F * (float)Math.PI) * MathHelper.cos(var13 / 180.0F * (float)Math.PI)) * var27;
483                double var18 = (double)(-MathHelper.sin(var13 / 180.0F * (float)Math.PI)) * var27;
484
485                for (int var20 = 0; var20 < 8; ++var20)
486                {
487                    float var21 = (float)((var20 & 1) * 2 - 1);
488                    float var22 = (float)((var20 >> 1 & 1) * 2 - 1);
489                    float var23 = (float)((var20 >> 2 & 1) * 2 - 1);
490                    var21 *= 0.1F;
491                    var22 *= 0.1F;
492                    var23 *= 0.1F;
493                    MovingObjectPosition var24 = this.mc.theWorld.rayTraceBlocks(this.mc.theWorld.getWorldVec3Pool().getVecFromPool(var4 + (double)var21, var6 + (double)var22, var8 + (double)var23), this.mc.theWorld.getWorldVec3Pool().getVecFromPool(var4 - var14 + (double)var21 + (double)var23, var6 - var18 + (double)var22, var8 - var16 + (double)var23));
494
495                    if (var24 != null)
496                    {
497                        double var25 = var24.hitVec.distanceTo(this.mc.theWorld.getWorldVec3Pool().getVecFromPool(var4, var6, var8));
498
499                        if (var25 < var27)
500                        {
501                            var27 = var25;
502                        }
503                    }
504                }
505
506                if (this.mc.gameSettings.thirdPersonView == 2)
507                {
508                    GL11.glRotatef(180.0F, 0.0F, 1.0F, 0.0F);
509                }
510
511                GL11.glRotatef(var2.rotationPitch - var13, 1.0F, 0.0F, 0.0F);
512                GL11.glRotatef(var2.rotationYaw - var28, 0.0F, 1.0F, 0.0F);
513                GL11.glTranslatef(0.0F, 0.0F, (float)(-var27));
514                GL11.glRotatef(var28 - var2.rotationYaw, 0.0F, 1.0F, 0.0F);
515                GL11.glRotatef(var13 - var2.rotationPitch, 1.0F, 0.0F, 0.0F);
516            }
517        }
518        else
519        {
520            GL11.glTranslatef(0.0F, 0.0F, -0.1F);
521        }
522
523        if (!this.mc.gameSettings.debugCamEnable)
524        {
525            GL11.glRotatef(var2.prevRotationPitch + (var2.rotationPitch - var2.prevRotationPitch) * par1, 1.0F, 0.0F, 0.0F);
526            GL11.glRotatef(var2.prevRotationYaw + (var2.rotationYaw - var2.prevRotationYaw) * par1 + 180.0F, 0.0F, 1.0F, 0.0F);
527        }
528
529        GL11.glTranslatef(0.0F, var3, 0.0F);
530        var4 = var2.prevPosX + (var2.posX - var2.prevPosX) * (double)par1;
531        var6 = var2.prevPosY + (var2.posY - var2.prevPosY) * (double)par1 - (double)var3;
532        var8 = var2.prevPosZ + (var2.posZ - var2.prevPosZ) * (double)par1;
533        this.cloudFog = this.mc.renderGlobal.hasCloudFog(var4, var6, var8, par1);
534    }
535
536    /**
537     * sets up projection, view effects, camera position/rotation
538     */
539    private void setupCameraTransform(float par1, int par2)
540    {
541        this.farPlaneDistance = (float)(256 >> this.mc.gameSettings.renderDistance);
542        GL11.glMatrixMode(GL11.GL_PROJECTION);
543        GL11.glLoadIdentity();
544        float var3 = 0.07F;
545
546        if (this.mc.gameSettings.anaglyph)
547        {
548            GL11.glTranslatef((float)(-(par2 * 2 - 1)) * var3, 0.0F, 0.0F);
549        }
550
551        if (this.cameraZoom != 1.0D)
552        {
553            GL11.glTranslatef((float)this.cameraYaw, (float)(-this.cameraPitch), 0.0F);
554            GL11.glScaled(this.cameraZoom, this.cameraZoom, 1.0D);
555        }
556
557        GLU.gluPerspective(this.getFOVModifier(par1, true), (float)this.mc.displayWidth / (float)this.mc.displayHeight, 0.05F, this.farPlaneDistance * 2.0F);
558        float var4;
559
560        if (this.mc.playerController.func_78747_a())
561        {
562            var4 = 0.6666667F;
563            GL11.glScalef(1.0F, var4, 1.0F);
564        }
565
566        GL11.glMatrixMode(GL11.GL_MODELVIEW);
567        GL11.glLoadIdentity();
568
569        if (this.mc.gameSettings.anaglyph)
570        {
571            GL11.glTranslatef((float)(par2 * 2 - 1) * 0.1F, 0.0F, 0.0F);
572        }
573
574        this.hurtCameraEffect(par1);
575
576        if (this.mc.gameSettings.viewBobbing)
577        {
578            this.setupViewBobbing(par1);
579        }
580
581        var4 = this.mc.thePlayer.prevTimeInPortal + (this.mc.thePlayer.timeInPortal - this.mc.thePlayer.prevTimeInPortal) * par1;
582
583        if (var4 > 0.0F)
584        {
585            byte var5 = 20;
586
587            if (this.mc.thePlayer.isPotionActive(Potion.confusion))
588            {
589                var5 = 7;
590            }
591
592            float var6 = 5.0F / (var4 * var4 + 5.0F) - var4 * 0.04F;
593            var6 *= var6;
594            GL11.glRotatef(((float)this.rendererUpdateCount + par1) * (float)var5, 0.0F, 1.0F, 1.0F);
595            GL11.glScalef(1.0F / var6, 1.0F, 1.0F);
596            GL11.glRotatef(-((float)this.rendererUpdateCount + par1) * (float)var5, 0.0F, 1.0F, 1.0F);
597        }
598
599        this.orientCamera(par1);
600
601        if (this.debugViewDirection > 0)
602        {
603            int var7 = this.debugViewDirection - 1;
604
605            if (var7 == 1)
606            {
607                GL11.glRotatef(90.0F, 0.0F, 1.0F, 0.0F);
608            }
609
610            if (var7 == 2)
611            {
612                GL11.glRotatef(180.0F, 0.0F, 1.0F, 0.0F);
613            }
614
615            if (var7 == 3)
616            {
617                GL11.glRotatef(-90.0F, 0.0F, 1.0F, 0.0F);
618            }
619
620            if (var7 == 4)
621            {
622                GL11.glRotatef(90.0F, 1.0F, 0.0F, 0.0F);
623            }
624
625            if (var7 == 5)
626            {
627                GL11.glRotatef(-90.0F, 1.0F, 0.0F, 0.0F);
628            }
629        }
630    }
631
632    /**
633     * Render player hand
634     */
635    private void renderHand(float par1, int par2)
636    {
637        if (this.debugViewDirection <= 0)
638        {
639            GL11.glMatrixMode(GL11.GL_PROJECTION);
640            GL11.glLoadIdentity();
641            float var3 = 0.07F;
642
643            if (this.mc.gameSettings.anaglyph)
644            {
645                GL11.glTranslatef((float)(-(par2 * 2 - 1)) * var3, 0.0F, 0.0F);
646            }
647
648            if (this.cameraZoom != 1.0D)
649            {
650                GL11.glTranslatef((float)this.cameraYaw, (float)(-this.cameraPitch), 0.0F);
651                GL11.glScaled(this.cameraZoom, this.cameraZoom, 1.0D);
652            }
653
654            GLU.gluPerspective(this.getFOVModifier(par1, false), (float)this.mc.displayWidth / (float)this.mc.displayHeight, 0.05F, this.farPlaneDistance * 2.0F);
655
656            if (this.mc.playerController.func_78747_a())
657            {
658                float var4 = 0.6666667F;
659                GL11.glScalef(1.0F, var4, 1.0F);
660            }
661
662            GL11.glMatrixMode(GL11.GL_MODELVIEW);
663            GL11.glLoadIdentity();
664
665            if (this.mc.gameSettings.anaglyph)
666            {
667                GL11.glTranslatef((float)(par2 * 2 - 1) * 0.1F, 0.0F, 0.0F);
668            }
669
670            GL11.glPushMatrix();
671            this.hurtCameraEffect(par1);
672
673            if (this.mc.gameSettings.viewBobbing)
674            {
675                this.setupViewBobbing(par1);
676            }
677
678            if (this.mc.gameSettings.thirdPersonView == 0 && !this.mc.renderViewEntity.isPlayerSleeping() && !this.mc.gameSettings.hideGUI && !this.mc.playerController.func_78747_a())
679            {
680                this.enableLightmap((double)par1);
681                this.itemRenderer.renderItemInFirstPerson(par1);
682                this.disableLightmap((double)par1);
683            }
684
685            GL11.glPopMatrix();
686
687            if (this.mc.gameSettings.thirdPersonView == 0 && !this.mc.renderViewEntity.isPlayerSleeping())
688            {
689                this.itemRenderer.renderOverlays(par1);
690                this.hurtCameraEffect(par1);
691            }
692
693            if (this.mc.gameSettings.viewBobbing)
694            {
695                this.setupViewBobbing(par1);
696            }
697        }
698    }
699
700    /**
701     * Disable secondary texture unit used by lightmap
702     */
703    public void disableLightmap(double par1)
704    {
705        OpenGlHelper.setActiveTexture(OpenGlHelper.lightmapTexUnit);
706        GL11.glDisable(GL11.GL_TEXTURE_2D);
707        OpenGlHelper.setActiveTexture(OpenGlHelper.defaultTexUnit);
708    }
709
710    /**
711     * Enable lightmap in secondary texture unit
712     */
713    public void enableLightmap(double par1)
714    {
715        OpenGlHelper.setActiveTexture(OpenGlHelper.lightmapTexUnit);
716        GL11.glMatrixMode(GL11.GL_TEXTURE);
717        GL11.glLoadIdentity();
718        float var3 = 0.00390625F;
719        GL11.glScalef(var3, var3, var3);
720        GL11.glTranslatef(8.0F, 8.0F, 8.0F);
721        GL11.glMatrixMode(GL11.GL_MODELVIEW);
722        this.mc.renderEngine.bindTexture(this.lightmapTexture);
723        GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MIN_FILTER, GL11.GL_LINEAR);
724        GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MAG_FILTER, GL11.GL_LINEAR);
725        GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MIN_FILTER, GL11.GL_LINEAR);
726        GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MAG_FILTER, GL11.GL_LINEAR);
727        GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_S, GL11.GL_CLAMP);
728        GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_T, GL11.GL_CLAMP);
729        GL11.glColor4f(1.0F, 1.0F, 1.0F, 1.0F);
730        GL11.glEnable(GL11.GL_TEXTURE_2D);
731        OpenGlHelper.setActiveTexture(OpenGlHelper.defaultTexUnit);
732    }
733
734    /**
735     * Recompute a random value that is applied to block color in updateLightmap()
736     */
737    private void updateTorchFlicker()
738    {
739        this.torchFlickerDX = (float)((double)this.torchFlickerDX + (Math.random() - Math.random()) * Math.random() * Math.random());
740        this.torchFlickerDY = (float)((double)this.torchFlickerDY + (Math.random() - Math.random()) * Math.random() * Math.random());
741        this.torchFlickerDX = (float)((double)this.torchFlickerDX * 0.9D);
742        this.torchFlickerDY = (float)((double)this.torchFlickerDY * 0.9D);
743        this.torchFlickerX += (this.torchFlickerDX - this.torchFlickerX) * 1.0F;
744        this.torchFlickerY += (this.torchFlickerDY - this.torchFlickerY) * 1.0F;
745        this.lightmapUpdateNeeded = true;
746    }
747
748    private void updateLightmap(float par1)
749    {
750        WorldClient var2 = this.mc.theWorld;
751
752        if (var2 != null)
753        {
754            for (int var3 = 0; var3 < 256; ++var3)
755            {
756                float var4 = var2.getSunBrightness(1.0F) * 0.95F + 0.05F;
757                float var5 = var2.provider.lightBrightnessTable[var3 / 16] * var4;
758                float var6 = var2.provider.lightBrightnessTable[var3 % 16] * (this.torchFlickerX * 0.1F + 1.5F);
759
760                if (var2.lastLightningBolt > 0)
761                {
762                    var5 = var2.provider.lightBrightnessTable[var3 / 16];
763                }
764
765                float var7 = var5 * (var2.getSunBrightness(1.0F) * 0.65F + 0.35F);
766                float var8 = var5 * (var2.getSunBrightness(1.0F) * 0.65F + 0.35F);
767                float var11 = var6 * ((var6 * 0.6F + 0.4F) * 0.6F + 0.4F);
768                float var12 = var6 * (var6 * var6 * 0.6F + 0.4F);
769                float var13 = var7 + var6;
770                float var14 = var8 + var11;
771                float var15 = var5 + var12;
772                var13 = var13 * 0.96F + 0.03F;
773                var14 = var14 * 0.96F + 0.03F;
774                var15 = var15 * 0.96F + 0.03F;
775                float var16;
776
777                if (this.field_82831_U > 0.0F)
778                {
779                    var16 = this.field_82832_V + (this.field_82831_U - this.field_82832_V) * par1;
780                    var13 = var13 * (1.0F - var16) + var13 * 0.7F * var16;
781                    var14 = var14 * (1.0F - var16) + var14 * 0.6F * var16;
782                    var15 = var15 * (1.0F - var16) + var15 * 0.6F * var16;
783                }
784
785                if (var2.provider.dimensionId == 1)
786                {
787                    var13 = 0.22F + var6 * 0.75F;
788                    var14 = 0.28F + var11 * 0.75F;
789                    var15 = 0.25F + var12 * 0.75F;
790                }
791
792                float var17;
793
794                if (this.mc.thePlayer.isPotionActive(Potion.nightVision))
795                {
796                    var16 = this.getNightVisionBrightness(this.mc.thePlayer, par1);
797                    var17 = 1.0F / var13;
798
799                    if (var17 > 1.0F / var14)
800                    {
801                        var17 = 1.0F / var14;
802                    }
803
804                    if (var17 > 1.0F / var15)
805                    {
806                        var17 = 1.0F / var15;
807                    }
808
809                    var13 = var13 * (1.0F - var16) + var13 * var17 * var16;
810                    var14 = var14 * (1.0F - var16) + var14 * var17 * var16;
811                    var15 = var15 * (1.0F - var16) + var15 * var17 * var16;
812                }
813
814                if (var13 > 1.0F)
815                {
816                    var13 = 1.0F;
817                }
818
819                if (var14 > 1.0F)
820                {
821                    var14 = 1.0F;
822                }
823
824                if (var15 > 1.0F)
825                {
826                    var15 = 1.0F;
827                }
828
829                var16 = this.mc.gameSettings.gammaSetting;
830                var17 = 1.0F - var13;
831                float var18 = 1.0F - var14;
832                float var19 = 1.0F - var15;
833                var17 = 1.0F - var17 * var17 * var17 * var17;
834                var18 = 1.0F - var18 * var18 * var18 * var18;
835                var19 = 1.0F - var19 * var19 * var19 * var19;
836                var13 = var13 * (1.0F - var16) + var17 * var16;
837                var14 = var14 * (1.0F - var16) + var18 * var16;
838                var15 = var15 * (1.0F - var16) + var19 * var16;
839                var13 = var13 * 0.96F + 0.03F;
840                var14 = var14 * 0.96F + 0.03F;
841                var15 = var15 * 0.96F + 0.03F;
842
843                if (var13 > 1.0F)
844                {
845                    var13 = 1.0F;
846                }
847
848                if (var14 > 1.0F)
849                {
850                    var14 = 1.0F;
851                }
852
853                if (var15 > 1.0F)
854                {
855                    var15 = 1.0F;
856                }
857
858                if (var13 < 0.0F)
859                {
860                    var13 = 0.0F;
861                }
862
863                if (var14 < 0.0F)
864                {
865                    var14 = 0.0F;
866                }
867
868                if (var15 < 0.0F)
869                {
870                    var15 = 0.0F;
871                }
872
873                short var20 = 255;
874                int var21 = (int)(var13 * 255.0F);
875                int var22 = (int)(var14 * 255.0F);
876                int var23 = (int)(var15 * 255.0F);
877                this.lightmapColors[var3] = var20 << 24 | var21 << 16 | var22 << 8 | var23;
878            }
879
880            this.mc.renderEngine.createTextureFromBytes(this.lightmapColors, 16, 16, this.lightmapTexture);
881        }
882    }
883
884    /**
885     * Gets the night vision brightness
886     */
887    private float getNightVisionBrightness(EntityPlayer par1EntityPlayer, float par2)
888    {
889        int var3 = par1EntityPlayer.getActivePotionEffect(Potion.nightVision).getDuration();
890        return var3 > 200 ? 1.0F : 0.7F + MathHelper.sin(((float)var3 - par2) * (float)Math.PI * 0.2F) * 0.3F;
891    }
892
893    /**
894     * Will update any inputs that effect the camera angle (mouse) and then render the world and GUI
895     */
896    public void updateCameraAndRender(float par1)
897    {
898        this.mc.mcProfiler.startSection("lightTex");
899
900        if (this.lightmapUpdateNeeded)
901        {
902            this.updateLightmap(par1);
903        }
904
905        this.mc.mcProfiler.endSection();
906        boolean var2 = Display.isActive();
907
908        if (!var2 && this.mc.gameSettings.pauseOnLostFocus && (!this.mc.gameSettings.touchscreen || !Mouse.isButtonDown(1)))
909        {
910            if (Minecraft.getSystemTime() - this.prevFrameTime > 500L)
911            {
912                this.mc.displayInGameMenu();
913            }
914        }
915        else
916        {
917            this.prevFrameTime = Minecraft.getSystemTime();
918        }
919
920        this.mc.mcProfiler.startSection("mouse");
921
922        if (this.mc.inGameHasFocus && var2)
923        {
924            this.mc.mouseHelper.mouseXYChange();
925            float var3 = this.mc.gameSettings.mouseSensitivity * 0.6F + 0.2F;
926            float var4 = var3 * var3 * var3 * 8.0F;
927            float var5 = (float)this.mc.mouseHelper.deltaX * var4;
928            float var6 = (float)this.mc.mouseHelper.deltaY * var4;
929            byte var7 = 1;
930
931            if (this.mc.gameSettings.invertMouse)
932            {
933                var7 = -1;
934            }
935
936            if (this.mc.gameSettings.smoothCamera)
937            {
938                this.smoothCamYaw += var5;
939                this.smoothCamPitch += var6;
940                float var8 = par1 - this.smoothCamPartialTicks;
941                this.smoothCamPartialTicks = par1;
942                var5 = this.smoothCamFilterX * var8;
943                var6 = this.smoothCamFilterY * var8;
944                this.mc.thePlayer.setAngles(var5, var6 * (float)var7);
945            }
946            else
947            {
948                this.mc.thePlayer.setAngles(var5, var6 * (float)var7);
949            }
950        }
951
952        this.mc.mcProfiler.endSection();
953
954        if (!this.mc.skipRenderWorld)
955        {
956            anaglyphEnable = this.mc.gameSettings.anaglyph;
957            ScaledResolution var13 = new ScaledResolution(this.mc.gameSettings, this.mc.displayWidth, this.mc.displayHeight);
958            int var14 = var13.getScaledWidth();
959            int var15 = var13.getScaledHeight();
960            int var16 = Mouse.getX() * var14 / this.mc.displayWidth;
961            int var17 = var15 - Mouse.getY() * var15 / this.mc.displayHeight - 1;
962            int var18 = performanceToFps(this.mc.gameSettings.limitFramerate);
963
964            if (this.mc.theWorld != null)
965            {
966                this.mc.mcProfiler.startSection("level");
967
968                if (this.mc.gameSettings.limitFramerate == 0)
969                {
970                    this.renderWorld(par1, 0L);
971                }
972                else
973                {
974                    this.renderWorld(par1, this.renderEndNanoTime + (long)(1000000000 / var18));
975                }
976
977                this.renderEndNanoTime = System.nanoTime();
978                this.mc.mcProfiler.endStartSection("gui");
979
980                if (!this.mc.gameSettings.hideGUI || this.mc.currentScreen != null)
981                {
982                    this.mc.ingameGUI.renderGameOverlay(par1, this.mc.currentScreen != null, var16, var17);
983                }
984
985                this.mc.mcProfiler.endSection();
986            }
987            else
988            {
989                GL11.glViewport(0, 0, this.mc.displayWidth, this.mc.displayHeight);
990                GL11.glMatrixMode(GL11.GL_PROJECTION);
991                GL11.glLoadIdentity();
992                GL11.glMatrixMode(GL11.GL_MODELVIEW);
993                GL11.glLoadIdentity();
994                this.setupOverlayRendering();
995                this.renderEndNanoTime = System.nanoTime();
996            }
997
998            if (this.mc.currentScreen != null)
999            {
1000                GL11.glClear(256);
1001
1002                try
1003                {
1004                    this.mc.currentScreen.drawScreen(var16, var17, par1);
1005                }
1006                catch (Throwable var12)
1007                {
1008                    CrashReport var10 = CrashReport.makeCrashReport(var12, "Rendering screen");
1009                    CrashReportCategory var11 = var10.makeCategory("Screen render details");
1010                    var11.addCrashSectionCallable("Screen name", new CallableScreenName(this));
1011                    var11.addCrashSectionCallable("Mouse location", new CallableMouseLocation(this, var16, var17));
1012                    var11.addCrashSectionCallable("Screen size", new CallableScreenSize(this, var13));
1013                    throw new ReportedException(var10);
1014                }
1015
1016                if (this.mc.currentScreen != null && this.mc.currentScreen.guiParticles != null)
1017                {
1018                    this.mc.currentScreen.guiParticles.draw(par1);
1019                }
1020            }
1021        }
1022    }
1023
1024    public void renderWorld(float par1, long par2)
1025    {
1026        this.mc.mcProfiler.startSection("lightTex");
1027
1028        if (this.lightmapUpdateNeeded)
1029        {
1030            this.updateLightmap(par1);
1031        }
1032
1033        GL11.glEnable(GL11.GL_CULL_FACE);
1034        GL11.glEnable(GL11.GL_DEPTH_TEST);
1035
1036        if (this.mc.renderViewEntity == null)
1037        {
1038            this.mc.renderViewEntity = this.mc.thePlayer;
1039        }
1040
1041        this.mc.mcProfiler.endStartSection("pick");
1042        this.getMouseOver(par1);
1043        EntityLiving var4 = this.mc.renderViewEntity;
1044        RenderGlobal var5 = this.mc.renderGlobal;
1045        EffectRenderer var6 = this.mc.effectRenderer;
1046        double var7 = var4.lastTickPosX + (var4.posX - var4.lastTickPosX) * (double)par1;
1047        double var9 = var4.lastTickPosY + (var4.posY - var4.lastTickPosY) * (double)par1;
1048        double var11 = var4.lastTickPosZ + (var4.posZ - var4.lastTickPosZ) * (double)par1;
1049        this.mc.mcProfiler.endStartSection("center");
1050
1051        for (int var13 = 0; var13 < 2; ++var13)
1052        {
1053            if (this.mc.gameSettings.anaglyph)
1054            {
1055                anaglyphField = var13;
1056
1057                if (anaglyphField == 0)
1058                {
1059                    GL11.glColorMask(false, true, true, false);
1060                }
1061                else
1062                {
1063                    GL11.glColorMask(true, false, false, false);
1064                }
1065            }
1066
1067            this.mc.mcProfiler.endStartSection("clear");
1068            GL11.glViewport(0, 0, this.mc.displayWidth, this.mc.displayHeight);
1069            this.updateFogColor(par1);
1070            GL11.glClear(16640);
1071            GL11.glEnable(GL11.GL_CULL_FACE);
1072            this.mc.mcProfiler.endStartSection("camera");
1073            this.setupCameraTransform(par1, var13);
1074            ActiveRenderInfo.updateRenderInfo(this.mc.thePlayer, this.mc.gameSettings.thirdPersonView == 2);
1075            this.mc.mcProfiler.endStartSection("frustrum");
1076            ClippingHelperImpl.getInstance();
1077
1078            if (this.mc.gameSettings.renderDistance < 2)
1079            {
1080                this.setupFog(-1, par1);
1081                this.mc.mcProfiler.endStartSection("sky");
1082                var5.renderSky(par1);
1083            }
1084
1085            GL11.glEnable(GL11.GL_FOG);
1086            this.setupFog(1, par1);
1087
1088            if (this.mc.gameSettings.ambientOcclusion)
1089            {
1090                GL11.glShadeModel(GL11.GL_SMOOTH);
1091            }
1092
1093            this.mc.mcProfiler.endStartSection("culling");
1094            Frustrum var14 = new Frustrum();
1095            var14.setPosition(var7, var9, var11);
1096            this.mc.renderGlobal.clipRenderersByFrustum(var14, par1);
1097
1098            if (var13 == 0)
1099            {
1100                this.mc.mcProfiler.endStartSection("updatechunks");
1101
1102                while (!this.mc.renderGlobal.updateRenderers(var4, false) && par2 != 0L)
1103                {
1104                    long var15 = par2 - System.nanoTime();
1105
1106                    if (var15 < 0L || var15 > 1000000000L)
1107                    {
1108                        break;
1109                    }
1110                }
1111            }
1112
1113            if (var4.posY < 128.0D)
1114            {
1115                this.renderCloudsCheck(var5, par1);
1116            }
1117
1118            this.setupFog(0, par1);
1119            GL11.glEnable(GL11.GL_FOG);
1120            GL11.glBindTexture(GL11.GL_TEXTURE_2D, this.mc.renderEngine.getTexture("/terrain.png"));
1121            RenderHelper.disableStandardItemLighting();
1122            this.mc.mcProfiler.endStartSection("terrain");
1123            var5.sortAndRender(var4, 0, (double)par1);
1124            GL11.glShadeModel(GL11.GL_FLAT);
1125            EntityPlayer var17;
1126
1127            if (this.debugViewDirection == 0)
1128            {
1129                RenderHelper.enableStandardItemLighting();
1130                this.mc.mcProfiler.endStartSection("entities");
1131                var5.renderEntities(var4.getPosition(par1), var14, par1);
1132                this.enableLightmap((double)par1);
1133                this.mc.mcProfiler.endStartSection("litParticles");
1134                var6.renderLitParticles(var4, par1);
1135                RenderHelper.disableStandardItemLighting();
1136                this.setupFog(0, par1);
1137                this.mc.mcProfiler.endStartSection("particles");
1138                var6.renderParticles(var4, par1);
1139                this.disableLightmap((double)par1);
1140
1141                if (this.mc.objectMouseOver != null && var4.isInsideOfMaterial(Material.water) && var4 instanceof EntityPlayer && !this.mc.gameSettings.hideGUI)
1142                {
1143                    var17 = (EntityPlayer)var4;
1144                    GL11.glDisable(GL11.GL_ALPHA_TEST);
1145                    this.mc.mcProfiler.endStartSection("outline");
1146                    if (!ForgeHooksClient.onDrawBlockHighlight(var5, var17, mc.objectMouseOver, 0, var17.inventory.getCurrentItem(), par1))
1147                    {
1148                        var5.drawBlockBreaking(var17, this.mc.objectMouseOver, 0, var17.inventory.getCurrentItem(), par1);
1149                        var5.drawSelectionBox(var17, this.mc.objectMouseOver, 0, var17.inventory.getCurrentItem(), par1);
1150                    }
1151                    GL11.glEnable(GL11.GL_ALPHA_TEST);
1152                }
1153            }
1154
1155            GL11.glDisable(GL11.GL_BLEND);
1156            GL11.glEnable(GL11.GL_CULL_FACE);
1157            GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);
1158            GL11.glDepthMask(true);
1159            this.setupFog(0, par1);
1160            GL11.glEnable(GL11.GL_BLEND);
1161            GL11.glDisable(GL11.GL_CULL_FACE);
1162            GL11.glBindTexture(GL11.GL_TEXTURE_2D, this.mc.renderEngine.getTexture("/terrain.png"));
1163
1164            if (this.mc.gameSettings.fancyGraphics)
1165            {
1166                this.mc.mcProfiler.endStartSection("water");
1167
1168                if (this.mc.gameSettings.ambientOcclusion)
1169                {
1170                    GL11.glShadeModel(GL11.GL_SMOOTH);
1171                }
1172
1173                GL11.glColorMask(false, false, false, false);
1174                int var18 = var5.sortAndRender(var4, 1, (double)par1);
1175
1176                if (this.mc.gameSettings.anaglyph)
1177                {
1178                    if (anaglyphField == 0)
1179                    {
1180                        GL11.glColorMask(false, true, true, true);
1181                    }
1182                    else
1183                    {
1184                        GL11.glColorMask(true, false, false, true);
1185                    }
1186                }
1187                else
1188                {
1189                    GL11.glColorMask(true, true, true, true);
1190                }
1191
1192                if (var18 > 0)
1193                {
1194                    var5.renderAllRenderLists(1, (double)par1);
1195                }
1196
1197                GL11.glShadeModel(GL11.GL_FLAT);
1198            }
1199            else
1200            {
1201                this.mc.mcProfiler.endStartSection("water");
1202                var5.sortAndRender(var4, 1, (double)par1);
1203            }
1204
1205            GL11.glDepthMask(true);
1206            GL11.glEnable(GL11.GL_CULL_FACE);
1207            GL11.glDisable(GL11.GL_BLEND);
1208
1209            if (this.cameraZoom == 1.0D && var4 instanceof EntityPlayer && !this.mc.gameSettings.hideGUI && this.mc.objectMouseOver != null && !var4.isInsideOfMaterial(Material.water))
1210            {
1211                var17 = (EntityPlayer)var4;
1212                GL11.glDisable(GL11.GL_ALPHA_TEST);
1213                this.mc.mcProfiler.endStartSection("outline");
1214                if (!ForgeHooksClient.onDrawBlockHighlight(var5, var17, mc.objectMouseOver, 0, var17.inventory.getCurrentItem(), par1))
1215                {
1216                    var5.drawBlockBreaking(var17, this.mc.objectMouseOver, 0, var17.inventory.getCurrentItem(), par1);
1217                    var5.drawSelectionBox(var17, this.mc.objectMouseOver, 0, var17.inventory.getCurrentItem(), par1);
1218                }
1219                GL11.glEnable(GL11.GL_ALPHA_TEST);
1220            }
1221
1222            this.mc.mcProfiler.endStartSection("destroyProgress");
1223            GL11.glEnable(GL11.GL_BLEND);
1224            GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE);
1225            var5.drawBlockDamageTexture(Tessellator.instance, var4, par1);
1226            GL11.glDisable(GL11.GL_BLEND);
1227            this.mc.mcProfiler.endStartSection("weather");
1228            this.renderRainSnow(par1);
1229            GL11.glDisable(GL11.GL_FOG);
1230
1231            if (var4.posY >= 128.0D)
1232            {
1233                this.renderCloudsCheck(var5, par1);
1234            }
1235
1236            this.mc.mcProfiler.endStartSection("FRenderLast");
1237            ForgeHooksClient.dispatchRenderLast(var5, par1);
1238
1239            this.mc.mcProfiler.endStartSection("hand");
1240
1241            if (this.cameraZoom == 1.0D)
1242            {
1243                GL11.glClear(256);
1244                this.renderHand(par1, var13);
1245            }
1246
1247            if (!this.mc.gameSettings.anaglyph)
1248            {
1249                this.mc.mcProfiler.endSection();
1250                return;
1251            }
1252        }
1253
1254        GL11.glColorMask(true, true, true, false);
1255        this.mc.mcProfiler.endSection();
1256    }
1257
1258    /**
1259     * Render clouds if enabled
1260     */
1261    private void renderCloudsCheck(RenderGlobal par1RenderGlobal, float par2)
1262    {
1263        if (this.mc.gameSettings.shouldRenderClouds())
1264        {
1265            this.mc.mcProfiler.endStartSection("clouds");
1266            GL11.glPushMatrix();
1267            this.setupFog(0, par2);
1268            GL11.glEnable(GL11.GL_FOG);
1269            par1RenderGlobal.renderClouds(par2);
1270            GL11.glDisable(GL11.GL_FOG);
1271            this.setupFog(1, par2);
1272            GL11.glPopMatrix();
1273        }
1274    }
1275
1276    private void addRainParticles()
1277    {
1278        float var1 = this.mc.theWorld.getRainStrength(1.0F);
1279
1280        if (!this.mc.gameSettings.fancyGraphics)
1281        {
1282            var1 /= 2.0F;
1283        }
1284
1285        if (var1 != 0.0F)
1286        {
1287            this.random.setSeed((long)this.rendererUpdateCount * 312987231L);
1288            EntityLiving var2 = this.mc.renderViewEntity;
1289            WorldClient var3 = this.mc.theWorld;
1290            int var4 = MathHelper.floor_double(var2.posX);
1291            int var5 = MathHelper.floor_double(var2.posY);
1292            int var6 = MathHelper.floor_double(var2.posZ);
1293            byte var7 = 10;
1294            double var8 = 0.0D;
1295            double var10 = 0.0D;
1296            double var12 = 0.0D;
1297            int var14 = 0;
1298            int var15 = (int)(100.0F * var1 * var1);
1299
1300            if (this.mc.gameSettings.particleSetting == 1)
1301            {
1302                var15 >>= 1;
1303            }
1304            else if (this.mc.gameSettings.particleSetting == 2)
1305            {
1306                var15 = 0;
1307            }
1308
1309            for (int var16 = 0; var16 < var15; ++var16)
1310            {
1311                int var17 = var4 + this.random.nextInt(var7) - this.random.nextInt(var7);
1312                int var18 = var6 + this.random.nextInt(var7) - this.random.nextInt(var7);
1313                int var19 = var3.getPrecipitationHeight(var17, var18);
1314                int var20 = var3.getBlockId(var17, var19 - 1, var18);
1315                BiomeGenBase var21 = var3.getBiomeGenForCoords(var17, var18);
1316
1317                if (var19 <= var5 + var7 && var19 >= var5 - var7 && var21.canSpawnLightningBolt() && var21.getFloatTemperature() >= 0.2F)
1318                {
1319                    float var22 = this.random.nextFloat();
1320                    float var23 = this.random.nextFloat();
1321
1322                    if (var20 > 0)
1323                    {
1324                        if (Block.blocksList[var20].blockMaterial == Material.lava)
1325                        {
1326                            this.mc.effectRenderer.addEffect(new EntitySmokeFX(var3, (double)((float)var17 + var22), (double)((float)var19 + 0.1F) - Block.blocksList[var20].getBlockBoundsMinY(), (double)((float)var18 + var23), 0.0D, 0.0D, 0.0D));
1327                        }
1328                        else
1329                        {
1330                            ++var14;
1331
1332                            if (this.random.nextInt(var14) == 0)
1333                            {
1334                                var8 = (double)((float)var17 + var22);
1335                                var10 = (double)((float)var19 + 0.1F) - Block.blocksList[var20].getBlockBoundsMinY();
1336                                var12 = (double)((float)var18 + var23);
1337                            }
1338
1339                            this.mc.effectRenderer.addEffect(new EntityRainFX(var3, (double)((float)var17 + var22), (double)((float)var19 + 0.1F) - Block.blocksList[var20].getBlockBoundsMinY(), (double)((float)var18 + var23)));
1340                        }
1341                    }
1342                }
1343            }
1344
1345            if (var14 > 0 && this.random.nextInt(3) < this.rainSoundCounter++)
1346            {
1347                this.rainSoundCounter = 0;
1348
1349                if (var10 > var2.posY + 1.0D && var3.getPrecipitationHeight(MathHelper.floor_double(var2.posX), MathHelper.floor_double(var2.posZ)) > MathHelper.floor_double(var2.posY))
1350                {
1351                    this.mc.theWorld.playSound(var8, var10, var12, "ambient.weather.rain", 0.1F, 0.5F, false);
1352                }
1353                else
1354                {
1355                    this.mc.theWorld.playSound(var8, var10, var12, "ambient.weather.rain", 0.2F, 1.0F, false);
1356                }
1357            }
1358        }
1359    }
1360
1361    /**
1362     * Render rain and snow
1363     */
1364    protected void renderRainSnow(float par1)
1365    {
1366        float var2 = this.mc.theWorld.getRainStrength(par1);
1367
1368        if (var2 > 0.0F)
1369        {
1370            this.enableLightmap((double)par1);
1371
1372            if (this.rainXCoords == null)
1373            {
1374                this.rainXCoords = new float[1024];
1375                this.rainYCoords = new float[1024];
1376
1377                for (int var3 = 0; var3 < 32; ++var3)
1378                {
1379                    for (int var4 = 0; var4 < 32; ++var4)
1380                    {
1381                        float var5 = (float)(var4 - 16);
1382                        float var6 = (float)(var3 - 16);
1383                        float var7 = MathHelper.sqrt_float(var5 * var5 + var6 * var6);
1384                        this.rainXCoords[var3 << 5 | var4] = -var6 / var7;
1385                        this.rainYCoords[var3 << 5 | var4] = var5 / var7;
1386                    }
1387                }
1388            }
1389
1390            EntityLiving var41 = this.mc.renderViewEntity;
1391            WorldClient var42 = this.mc.theWorld;
1392            int var43 = MathHelper.floor_double(var41.posX);
1393            int var44 = MathHelper.floor_double(var41.posY);
1394            int var45 = MathHelper.floor_double(var41.posZ);
1395            Tessellator var8 = Tessellator.instance;
1396            GL11.glDisable(GL11.GL_CULL_FACE);
1397            GL11.glNormal3f(0.0F, 1.0F, 0.0F);
1398            GL11.glEnable(GL11.GL_BLEND);
1399            GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);
1400            GL11.glAlphaFunc(GL11.GL_GREATER, 0.01F);
1401            GL11.glBindTexture(GL11.GL_TEXTURE_2D, this.mc.renderEngine.getTexture("/environment/snow.png"));
1402            double var9 = var41.lastTickPosX + (var41.posX - var41.lastTickPosX) * (double)par1;
1403            double var11 = var41.lastTickPosY + (var41.posY - var41.lastTickPosY) * (double)par1;
1404            double var13 = var41.lastTickPosZ + (var41.posZ - var41.lastTickPosZ) * (double)par1;
1405            int var15 = MathHelper.floor_double(var11);
1406            byte var16 = 5;
1407
1408            if (this.mc.gameSettings.fancyGraphics)
1409            {
1410                var16 = 10;
1411            }
1412
1413            boolean var17 = false;
1414            byte var18 = -1;
1415            float var19 = (float)this.rendererUpdateCount + par1;
1416
1417            if (this.mc.gameSettings.fancyGraphics)
1418            {
1419                var16 = 10;
1420            }
1421
1422            GL11.glColor4f(1.0F, 1.0F, 1.0F, 1.0F);
1423            var17 = false;
1424
1425            for (int var20 = var45 - var16; var20 <= var45 + var16; ++var20)
1426            {
1427                for (int var21 = var43 - var16; var21 <= var43 + var16; ++var21)
1428                {
1429                    int var22 = (var20 - var45 + 16) * 32 + var21 - var43 + 16;
1430                    float var23 = this.rainXCoords[var22] * 0.5F;
1431                    float var24 = this.rainYCoords[var22] * 0.5F;
1432                    BiomeGenBase var25 = var42.getBiomeGenForCoords(var21, var20);
1433
1434                    if (var25.canSpawnLightningBolt() || var25.getEnableSnow())
1435                    {
1436                        int var26 = var42.getPrecipitationHeight(var21, var20);
1437                        int var27 = var44 - var16;
1438                        int var28 = var44 + var16;
1439
1440                        if (var27 < var26)
1441                        {
1442                            var27 = var26;
1443                        }
1444
1445                        if (var28 < var26)
1446                        {
1447                            var28 = var26;
1448                        }
1449
1450                        float var29 = 1.0F;
1451                        int var30 = var26;
1452
1453                        if (var26 < var15)
1454                        {
1455                            var30 = var15;
1456                        }
1457
1458                        if (var27 != var28)
1459                        {
1460                            this.random.setSeed((long)(var21 * var21 * 3121 + var21 * 45238971 ^ var20 * var20 * 418711 + var20 * 13761));
1461                            float var31 = var25.getFloatTemperature();
1462                            double var35;
1463                            float var32;
1464
1465                            if (var42.getWorldChunkManager().getTemperatureAtHeight(var31, var26) >= 0.15F)
1466                            {
1467                                if (var18 != 0)
1468                                {
1469                                    if (var18 >= 0)
1470                                    {
1471                                        var8.draw();
1472                                    }
1473
1474                                    var18 = 0;
1475                                    GL11.glBindTexture(GL11.GL_TEXTURE_2D, this.mc.renderEngine.getTexture("/environment/rain.png"));
1476                                    var8.startDrawingQuads();
1477                                }
1478
1479                                var32 = ((float)(this.rendererUpdateCount + var21 * var21 * 3121 + var21 * 45238971 + var20 * var20 * 418711 + var20 * 13761 & 31) + par1) / 32.0F * (3.0F + this.random.nextFloat());
1480                                double var33 = (double)((float)var21 + 0.5F) - var41.posX;
1481                                var35 = (double)((float)var20 + 0.5F) - var41.posZ;
1482                                float var37 = MathHelper.sqrt_double(var33 * var33 + var35 * var35) / (float)var16;
1483                                float var38 = 1.0F;
1484                                var8.setBrightness(var42.getLightBrightnessForSkyBlocks(var21, var30, var20, 0));
1485                                var8.setColorRGBA_F(var38, var38, var38, ((1.0F - var37 * var37) * 0.5F + 0.5F) * var2);
1486                                var8.setTranslation(-var9 * 1.0D, -var11 * 1.0D, -var13 * 1.0D);
1487                                var8.addVertexWithUV((double)((float)var21 - var23) + 0.5D, (double)var27, (double)((float)var20 - var24) + 0.5D, (double)(0.0F * var29), (double)((float)var27 * var29 / 4.0F + var32 * var29));
1488                                var8.addVertexWithUV((double)((float)var21 + var23) + 0.5D, (double)var27, (double)((float)var20 + var24) + 0.5D, (double)(1.0F * var29), (double)((float)var27 * var29 / 4.0F + var32 * var29));
1489                                var8.addVertexWithUV((double)((float)var21 + var23) + 0.5D, (double)var28, (double)((float)var20 + var24) + 0.5D, (double)(1.0F * var29), (double)((float)var28 * var29 / 4.0F + var32 * var29));
1490                                var8.addVertexWithUV((double)((float)var21 - var23) + 0.5D, (double)var28, (double)((float)var20 - var24) + 0.5D, (double)(0.0F * var29), (double)((float)var28 * var29 / 4.0F + var32 * var29));
1491                                var8.setTranslation(0.0D, 0.0D, 0.0D);
1492                            }
1493                            else
1494                            {
1495                                if (var18 != 1)
1496                                {
1497                                    if (var18 >= 0)
1498                                    {
1499                                        var8.draw();
1500                                    }
1501
1502                                    var18 = 1;
1503                                    GL11.glBindTexture(GL11.GL_TEXTURE_2D, this.mc.renderEngine.getTexture("/environment/snow.png"));
1504                                    var8.startDrawingQuads();
1505                                }
1506
1507                                var32 = ((float)(this.rendererUpdateCount & 511) + par1) / 512.0F;
1508                                float var46 = this.random.nextFloat() + var19 * 0.01F * (float)this.random.nextGaussian();
1509                                float var34 = this.random.nextFloat() + var19 * (float)this.random.nextGaussian() * 0.001F;
1510                                var35 = (double)((float)var21 + 0.5F) - var41.posX;
1511                                double var47 = (double)((float)var20 + 0.5F) - var41.posZ;
1512                                float var39 = MathHelper.sqrt_double(var35 * var35 + var47 * var47) / (float)var16;
1513                                float var40 = 1.0F;
1514                                var8.setBrightness((var42.getLightBrightnessForSkyBlocks(var21, var30, var20, 0) * 3 + 15728880) / 4);
1515                                var8.setColorRGBA_F(var40, var40, var40, ((1.0F - var39 * var39) * 0.3F + 0.5F) * var2);
1516                                var8.setTranslation(-var9 * 1.0D, -var11 * 1.0D, -var13 * 1.0D);
1517                                var8.addVertexWithUV((double)((float)var21 - var23) + 0.5D, (double)var27, (double)((float)var20 - var24) + 0.5D, (double)(0.0F * var29 + var46), (double)((float)var27 * var29 / 4.0F + var32 * var29 + var34));
1518                                var8.addVertexWithUV((double)((float)var21 + var23) + 0.5D, (double)var27, (double)((float)var20 + var24) + 0.5D, (double)(1.0F * var29 + var46), (double)((float)var27 * var29 / 4.0F + var32 * var29 + var34));
1519                                var8.addVertexWithUV((double)((float)var21 + var23) + 0.5D, (double)var28, (double)((float)var20 + var24) + 0.5D, (double)(1.0F * var29 + var46), (double)((float)var28 * var29 / 4.0F + var32 * var29 + var34));
1520                                var8.addVertexWithUV((double)((float)var21 - var23) + 0.5D, (double)var28, (double)((float)var20 - var24) + 0.5D, (double)(0.0F * var29 + var46), (double)((float)var28 * var29 / 4.0F + var32 * var29 + var34));
1521                                var8.setTranslation(0.0D, 0.0D, 0.0D);
1522                            }
1523                        }
1524                    }
1525                }
1526            }
1527
1528            if (var18 >= 0)
1529            {
1530                var8.draw();
1531            }
1532
1533            GL11.glEnable(GL11.GL_CULL_FACE);
1534            GL11.glDisable(GL11.GL_BLEND);
1535            GL11.glAlphaFunc(GL11.GL_GREATER, 0.1F);
1536            this.disableLightmap((double)par1);
1537        }
1538    }
1539
1540    /**
1541     * Setup orthogonal projection for rendering GUI screen overlays
1542     */
1543    public void setupOverlayRendering()
1544    {
1545        ScaledResolution var1 = new ScaledResolution(this.mc.gameSettings, this.mc.displayWidth, this.mc.displayHeight);
1546        GL11.glClear(256);
1547        GL11.glMatrixMode(GL11.GL_PROJECTION);
1548        GL11.glLoadIdentity();
1549        GL11.glOrtho(0.0D, var1.getScaledWidth_double(), var1.getScaledHeight_double(), 0.0D, 1000.0D, 3000.0D);
1550        GL11.glMatrixMode(GL11.GL_MODELVIEW);
1551        GL11.glLoadIdentity();
1552        GL11.glTranslatef(0.0F, 0.0F, -2000.0F);
1553    }
1554
1555    /**
1556     * calculates fog and calls glClearColor
1557     */
1558    private void updateFogColor(float par1)
1559    {
1560        WorldClient var2 = this.mc.theWorld;
1561        EntityLiving var3 = this.mc.renderViewEntity;
1562        float var4 = 1.0F / (float)(4 - this.mc.gameSettings.renderDistance);
1563        var4 = 1.0F - (float)Math.pow((double)var4, 0.25D);
1564        Vec3 var5 = var2.getSkyColor(this.mc.renderViewEntity, par1);
1565        float var6 = (float)var5.xCoord;
1566        float var7 = (float)var5.yCoord;
1567        float var8 = (float)var5.zCoord;
1568        Vec3 var9 = var2.getFogColor(par1);
1569        this.fogColorRed = (float)var9.xCoord;
1570        this.fogColorGreen = (float)var9.yCoord;
1571        this.fogColorBlue = (float)var9.zCoord;
1572        float var11;
1573
1574        if (this.mc.gameSettings.renderDistance < 2)
1575        {
1576            Vec3 var10 = MathHelper.sin(var2.getCelestialAngleRadians(par1)) > 0.0F ? var2.getWorldVec3Pool().getVecFromPool(-1.0D, 0.0D, 0.0D) : var2.getWorldVec3Pool().getVecFromPool(1.0D, 0.0D, 0.0D);
1577            var11 = (float)var3.getLook(par1).dotProduct(var10);
1578
1579            if (var11 < 0.0F)
1580            {
1581                var11 = 0.0F;
1582            }
1583
1584            if (var11 > 0.0F)
1585            {
1586                float[] var12 = var2.provider.calcSunriseSunsetColors(var2.getCelestialAngle(par1), par1);
1587
1588                if (var12 != null)
1589                {
1590                    var11 *= var12[3];
1591                    this.fogColorRed = this.fogColorRed * (1.0F - var11) + var12[0] * var11;
1592                    this.fogColorGreen = this.fogColorGreen * (1.0F - var11) + var12[1] * var11;
1593                    this.fogColorBlue = this.fogColorBlue * (1.0F - var11) + var12[2] * var11;
1594                }
1595            }
1596        }
1597
1598        this.fogColorRed += (var6 - this.fogColorRed) * var4;
1599        this.fogColorGreen += (var7 - this.fogColorGreen) * var4;
1600        this.fogColorBlue += (var8 - this.fogColorBlue) * var4;
1601        float var19 = var2.getRainStrength(par1);
1602        float var20;
1603
1604        if (var19 > 0.0F)
1605        {
1606            var11 = 1.0F - var19 * 0.5F;
1607            var20 = 1.0F - var19 * 0.4F;
1608            this.fogColorRed *= var11;
1609            this.fogColorGreen *= var11;
1610            this.fogColorBlue *= var20;
1611        }
1612
1613        var11 = var2.getWeightedThunderStrength(par1);
1614
1615        if (var11 > 0.0F)
1616        {
1617            var20 = 1.0F - var11 * 0.5F;
1618            this.fogColorRed *= var20;
1619            this.fogColorGreen *= var20;
1620            this.fogColorBlue *= var20;
1621        }
1622
1623        int var21 = ActiveRenderInfo.getBlockIdAtEntityViewpoint(this.mc.theWorld, var3, par1);
1624
1625        if (this.cloudFog)
1626        {
1627            Vec3 var13 = var2.drawClouds(par1);
1628            this.fogColorRed = (float)var13.xCoord;
1629            this.fogColorGreen = (float)var13.yCoord;
1630            this.fogColorBlue = (float)var13.zCoord;
1631        }
1632        else if (var21 != 0 && Block.blocksList[var21].blockMaterial == Material.water)
1633        {
1634            this.fogColorRed = 0.02F;
1635            this.fogColorGreen = 0.02F;
1636            this.fogColorBlue = 0.2F;
1637        }
1638        else if (var21 != 0 && Block.blocksList[var21].blockMaterial == Material.lava)
1639        {
1640            this.fogColorRed = 0.6F;
1641            this.fogColorGreen = 0.1F;
1642            this.fogColorBlue = 0.0F;
1643        }
1644
1645        float var22 = this.fogColor2 + (this.fogColor1 - this.fogColor2) * par1;
1646        this.fogColorRed *= var22;
1647        this.fogColorGreen *= var22;
1648        this.fogColorBlue *= var22;
1649        double var14 = (var3.lastTickPosY + (var3.posY - var3.lastTickPosY) * (double)par1) * var2.provider.getVoidFogYFactor();
1650
1651        if (var3.isPotionActive(Potion.blindness))
1652        {
1653            int var16 = var3.getActivePotionEffect(Potion.blindness).getDuration();
1654
1655            if (var16 < 20)
1656            {
1657                var14 *= (double)(1.0F - (float)var16 / 20.0F);
1658            }
1659            else
1660            {
1661                var14 = 0.0D;
1662            }
1663        }
1664
1665        if (var14 < 1.0D)
1666        {
1667            if (var14 < 0.0D)
1668            {
1669                var14 = 0.0D;
1670            }
1671
1672            var14 *= var14;
1673            this.fogColorRed = (float)((double)this.fogColorRed * var14);
1674            this.fogColorGreen = (float)((double)this.fogColorGreen * var14);
1675            this.fogColorBlue = (float)((double)this.fogColorBlue * var14);
1676        }
1677
1678        float var23;
1679
1680        if (this.field_82831_U > 0.0F)
1681        {
1682            var23 = this.field_82832_V + (this.field_82831_U - this.field_82832_V) * par1;
1683            this.fogColorRed = this.fogColorRed * (1.0F - var23) + this.fogColorRed * 0.7F * var23;
1684            this.fogColorGreen = this.fogColorGreen * (1.0F - var23) + this.fogColorGreen * 0.6F * var23;
1685            this.fogColorBlue = this.fogColorBlue * (1.0F - var23) + this.fogColorBlue * 0.6F * var23;
1686        }
1687
1688        float var17;
1689
1690        if (var3.isPotionActive(Potion.nightVision))
1691        {
1692            var23 = this.getNightVisionBrightness(this.mc.thePlayer, par1);
1693            var17 = 1.0F / this.fogColorRed;
1694
1695            if (var17 > 1.0F / this.fogColorGreen)
1696            {
1697                var17 = 1.0F / this.fogColorGreen;
1698            }
1699
1700            if (var17 > 1.0F / this.fogColorBlue)
1701            {
1702                var17 = 1.0F / this.fogColorBlue;
1703            }
1704
1705            this.fogColorRed = this.fogColorRed * (1.0F - var23) + this.fogColorRed * var17 * var23;
1706            this.fogColorGreen = this.fogColorGreen * (1.0F - var23) + this.fogColorGreen * var17 * var23;
1707            this.fogColorBlue = this.fogColorBlue * (1.0F - var23) + this.fogColorBlue * var17 * var23;
1708        }
1709
1710        if (this.mc.gameSettings.anaglyph)
1711        {
1712            var23 = (this.fogColorRed * 30.0F + this.fogColorGreen * 59.0F + this.fogColorBlue * 11.0F) / 100.0F;
1713            var17 = (this.fogColorRed * 30.0F + this.fogColorGreen * 70.0F) / 100.0F;
1714            float var18 = (this.fogColorRed * 30.0F + this.fogColorBlue * 70.0F) / 100.0F;
1715            this.fogColorRed = var23;
1716            this.fogColorGreen = var17;
1717            this.fogColorBlue = var18;
1718        }
1719
1720        GL11.glClearColor(this.fogColorRed, this.fogColorGreen, this.fogColorBlue, 0.0F);
1721    }
1722
1723    /**
1724     * Sets up the fog to be rendered. If the arg passed in is -1 the fog starts at 0 and goes to 80% of far plane
1725     * distance and is used for sky rendering.
1726     */
1727    private void setupFog(int par1, float par2)
1728    {
1729        EntityLiving var3 = this.mc.renderViewEntity;
1730        boolean var4 = false;
1731
1732        if (var3 instanceof EntityPlayer)
1733        {
1734            var4 = ((EntityPlayer)var3).capabilities.isCreativeMode;
1735        }
1736
1737        if (par1 == 999)
1738        {
1739            GL11.glFog(GL11.GL_FOG_COLOR, this.setFogColorBuffer(0.0F, 0.0F, 0.0F, 1.0F));
1740            GL11.glFogi(GL11.GL_FOG_MODE, GL11.GL_LINEAR);
1741            GL11.glFogf(GL11.GL_FOG_START, 0.0F);
1742            GL11.glFogf(GL11.GL_FOG_END, 8.0F);
1743
1744            if (GLContext.getCapabilities().GL_NV_fog_distance)
1745            {
1746                GL11.glFogi(34138, 34139);
1747            }
1748
1749            GL11.glFogf(GL11.GL_FOG_START, 0.0F);
1750        }
1751        else
1752        {
1753            GL11.glFog(GL11.GL_FOG_COLOR, this.setFogColorBuffer(this.fogColorRed, this.fogColorGreen, this.fogColorBlue, 1.0F));
1754            GL11.glNormal3f(0.0F, -1.0F, 0.0F);
1755            GL11.glColor4f(1.0F, 1.0F, 1.0F, 1.0F);
1756            int var5 = ActiveRenderInfo.getBlockIdAtEntityViewpoint(this.mc.theWorld, var3, par2);
1757            float var6;
1758
1759            if (var3.isPotionActive(Potion.blindness))
1760            {
1761                var6 = 5.0F;
1762                int var7 = var3.getActivePotionEffect(Potion.blindness).getDuration();
1763
1764                if (var7 < 20)
1765                {
1766                    var6 = 5.0F + (this.farPlaneDistance - 5.0F) * (1.0F - (float)var7 / 20.0F);
1767                }
1768
1769                GL11.glFogi(GL11.GL_FOG_MODE, GL11.GL_LINEAR);
1770
1771                if (par1 < 0)
1772                {
1773                    GL11.glFogf(GL11.GL_FOG_START, 0.0F);
1774                    GL11.glFogf(GL11.GL_FOG_END, var6 * 0.8F);
1775                }
1776                else
1777                {
1778                    GL11.glFogf(GL11.GL_FOG_START, var6 * 0.25F);
1779                    GL11.glFogf(GL11.GL_FOG_END, var6);
1780                }
1781
1782                if (GLContext.getCapabilities().GL_NV_fog_distance)
1783                {
1784                    GL11.glFogi(34138, 34139);
1785                }
1786            }
1787            else
1788            {
1789                float var8;
1790                float var9;
1791                float var10;
1792                float var11;
1793                float var12;
1794
1795                if (this.cloudFog)
1796                {
1797                    GL11.glFogi(GL11.GL_FOG_MODE, GL11.GL_EXP);
1798                    GL11.glFogf(GL11.GL_FOG_DENSITY, 0.1F);
1799                    var6 = 1.0F;
1800                    var12 = 1.0F;
1801                    var8 = 1.0F;
1802
1803                    if (this.mc.gameSettings.anaglyph)
1804                    {
1805                        var9 = (var6 * 30.0F + var12 * 59.0F + var8 * 11.0F) / 100.0F;
1806                        var10 = (var6 * 30.0F + var12 * 70.0F) / 100.0F;
1807                        var11 = (var6 * 30.0F + var8 * 70.0F) / 100.0F;
1808                    }
1809                }
1810                else if (var5 > 0 && Block.blocksList[var5].blockMaterial == Material.water)
1811                {
1812                    GL11.glFogi(GL11.GL_FOG_MODE, GL11.GL_EXP);
1813
1814                    if (var3.isPotionActive(Potion.waterBreathing))
1815                    {
1816                        GL11.glFogf(GL11.GL_FOG_DENSITY, 0.05F);
1817                    }
1818                    else
1819                    {
1820                        GL11.glFogf(GL11.GL_FOG_DENSITY, 0.1F);
1821                    }
1822
1823                    var6 = 0.4F;
1824                    var12 = 0.4F;
1825                    var8 = 0.9F;
1826
1827                    if (this.mc.gameSettings.anaglyph)
1828                    {
1829                        var9 = (var6 * 30.0F + var12 * 59.0F + var8 * 11.0F) / 100.0F;
1830                        var10 = (var6 * 30.0F + var12 * 70.0F) / 100.0F;
1831                        var11 = (var6 * 30.0F + var8 * 70.0F) / 100.0F;
1832                    }
1833                }
1834                else if (var5 > 0 && Block.blocksList[var5].blockMaterial == Material.lava)
1835                {
1836                    GL11.glFogi(GL11.GL_FOG_MODE, GL11.GL_EXP);
1837                    GL11.glFogf(GL11.GL_FOG_DENSITY, 2.0F);
1838                    var6 = 0.4F;
1839                    var12 = 0.3F;
1840                    var8 = 0.3F;
1841
1842                    if (this.mc.gameSettings.anaglyph)
1843                    {
1844                        var9 = (var6 * 30.0F + var12 * 59.0F + var8 * 11.0F) / 100.0F;
1845                        var10 = (var6 * 30.0F + var12 * 70.0F) / 100.0F;
1846                        var11 = (var6 * 30.0F + var8 * 70.0F) / 100.0F;
1847                    }
1848                }
1849                else
1850                {
1851                    var6 = this.farPlaneDistance;
1852
1853                    if (this.mc.theWorld.provider.getWorldHasVoidParticles() && !var4)
1854                    {
1855                        double var13 = (double)((var3.getBrightnessForRender(par2) & 15728640) >> 20) / 16.0D + (var3.lastTickPosY + (var3.posY - var3.lastTickPosY) * (double)par2 + 4.0D) / 32.0D;
1856
1857                        if (var13 < 1.0D)
1858                        {
1859                            if (var13 < 0.0D)
1860                            {
1861                                var13 = 0.0D;
1862                            }
1863
1864                            var13 *= var13;
1865                            var9 = 100.0F * (float)var13;
1866
1867                            if (var9 < 5.0F)
1868                            {
1869                                var9 = 5.0F;
1870                            }
1871
1872                            if (var6 > var9)
1873                            {
1874                                var6 = var9;
1875                            }
1876                        }
1877                    }
1878
1879                    GL11.glFogi(GL11.GL_FOG_MODE, GL11.GL_LINEAR);
1880
1881                    if (par1 < 0)
1882                    {
1883                        GL11.glFogf(GL11.GL_FOG_START, 0.0F);
1884                        GL11.glFogf(GL11.GL_FOG_END, var6 * 0.8F);
1885                    }
1886                    else
1887                    {
1888                        GL11.glFogf(GL11.GL_FOG_START, var6 * 0.25F);
1889                        GL11.glFogf(GL11.GL_FOG_END, var6);
1890                    }
1891
1892                    if (GLContext.getCapabilities().GL_NV_fog_distance)
1893                    {
1894                        GL11.glFogi(34138, 34139);
1895                    }
1896
1897                    if (this.mc.theWorld.provider.doesXZShowFog((int)var3.posX, (int)var3.posZ))
1898                    {
1899                        GL11.glFogf(GL11.GL_FOG_START, var6 * 0.05F);
1900                        GL11.glFogf(GL11.GL_FOG_END, Math.min(var6, 192.0F) * 0.5F);
1901                    }
1902                }
1903            }
1904
1905            GL11.glEnable(GL11.GL_COLOR_MATERIAL);
1906            GL11.glColorMaterial(GL11.GL_FRONT, GL11.GL_AMBIENT);
1907        }
1908    }
1909
1910    /**
1911     * Update and return fogColorBuffer with the RGBA values passed as arguments
1912     */
1913    private FloatBuffer setFogColorBuffer(float par1, float par2, float par3, float par4)
1914    {
1915        this.fogColorBuffer.clear();
1916        this.fogColorBuffer.put(par1).put(par2).put(par3).put(par4);
1917        this.fogColorBuffer.flip();
1918        return this.fogColorBuffer;
1919    }
1920
1921    /**
1922     * Converts performance value (0-2) to FPS (35-200)
1923     */
1924    public static int performanceToFps(int par0)
1925    {
1926        short var1 = 200;
1927
1928        if (par0 == 1)
1929        {
1930            var1 = 120;
1931        }
1932
1933        if (par0 == 2)
1934        {
1935            var1 = 35;
1936        }
1937
1938        return var1;
1939    }
1940
1941    /**
1942     * Get minecraft reference from the EntityRenderer
1943     */
1944    static Minecraft getRendererMinecraft(EntityRenderer par0EntityRenderer)
1945    {
1946        return par0EntityRenderer.mc;
1947    }
1948}