major refactoring of the render module

1 files changed, 0 insertions, 718 deletions

diff --git a/src/jake2/render/lwjgl/Warp.java b/src/jake2/render/lwjgl/Warp.java
deleted file mode 100644
index ee869a8..0000000
--- a/src/jake2/render/lwjgl/Warp.java
+++ /dev/null
@@ -1,718 +0,0 @@
-/*
- * Warp.java
- * Copyright (C) 2003
- *
- * $Id: Warp.java,v 1.5 2005-01-17 15:42:29 cawe Exp $
- */
-/*
-Copyright (C) 1997-2001 Id Software, Inc.
-
-This program is free software; you can redistribute it and/or
-modify it under the terms of the GNU General Public License
-as published by the Free Software Foundation; either version 2
-of the License, or (at your option) any later version.
-
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
-
-See the GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with this program; if not, write to the Free Software
-Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
-
-*/
-package jake2.render.lwjgl;
-
-import jake2.Defines;
-import jake2.Globals;
-import jake2.qcommon.Com;
-import jake2.render.*;
-import jake2.util.Math3D;
-import jake2.util.Vec3Cache;
-
-import org.lwjgl.opengl.GL11;
-
-/**
- * Warp
- *  
- * @author cwei
- */
-public abstract class Warp extends Model {
-	// warpsin.h
-	public static final float[] SIN = {
-		0f, 0.19633f, 0.392541f, 0.588517f, 0.784137f, 0.979285f, 1.17384f, 1.3677f,
-		 1.56072f, 1.75281f, 1.94384f, 2.1337f, 2.32228f, 2.50945f, 2.69512f, 2.87916f,
-		 3.06147f, 3.24193f, 3.42044f, 3.59689f, 3.77117f, 3.94319f, 4.11282f, 4.27998f,
-		 4.44456f, 4.60647f, 4.76559f, 4.92185f, 5.07515f, 5.22538f, 5.37247f, 5.51632f,
-		 5.65685f, 5.79398f, 5.92761f, 6.05767f, 6.18408f, 6.30677f, 6.42566f, 6.54068f,
-		 6.65176f, 6.75883f, 6.86183f, 6.9607f, 7.05537f, 7.14579f, 7.23191f, 7.31368f,
-		 7.39104f, 7.46394f, 7.53235f, 7.59623f, 7.65552f, 7.71021f, 7.76025f, 7.80562f,
-		 7.84628f, 7.88222f, 7.91341f, 7.93984f, 7.96148f, 7.97832f, 7.99036f, 7.99759f,
-		 8f, 7.99759f, 7.99036f, 7.97832f, 7.96148f, 7.93984f, 7.91341f, 7.88222f,
-		 7.84628f, 7.80562f, 7.76025f, 7.71021f, 7.65552f, 7.59623f, 7.53235f, 7.46394f,
-		 7.39104f, 7.31368f, 7.23191f, 7.14579f, 7.05537f, 6.9607f, 6.86183f, 6.75883f,
-		 6.65176f, 6.54068f, 6.42566f, 6.30677f, 6.18408f, 6.05767f, 5.92761f, 5.79398f,
-		 5.65685f, 5.51632f, 5.37247f, 5.22538f, 5.07515f, 4.92185f, 4.76559f, 4.60647f,
-		 4.44456f, 4.27998f, 4.11282f, 3.94319f, 3.77117f, 3.59689f, 3.42044f, 3.24193f,
-		 3.06147f, 2.87916f, 2.69512f, 2.50945f, 2.32228f, 2.1337f, 1.94384f, 1.75281f,
-		 1.56072f, 1.3677f, 1.17384f, 0.979285f, 0.784137f, 0.588517f, 0.392541f, 0.19633f,
-		 9.79717e-16f, -0.19633f, -0.392541f, -0.588517f, -0.784137f, -0.979285f, -1.17384f, -1.3677f,
-		 -1.56072f, -1.75281f, -1.94384f, -2.1337f, -2.32228f, -2.50945f, -2.69512f, -2.87916f,
-		 -3.06147f, -3.24193f, -3.42044f, -3.59689f, -3.77117f, -3.94319f, -4.11282f, -4.27998f,
-		 -4.44456f, -4.60647f, -4.76559f, -4.92185f, -5.07515f, -5.22538f, -5.37247f, -5.51632f,
-		 -5.65685f, -5.79398f, -5.92761f, -6.05767f, -6.18408f, -6.30677f, -6.42566f, -6.54068f,
-		 -6.65176f, -6.75883f, -6.86183f, -6.9607f, -7.05537f, -7.14579f, -7.23191f, -7.31368f,
-		 -7.39104f, -7.46394f, -7.53235f, -7.59623f, -7.65552f, -7.71021f, -7.76025f, -7.80562f,
-		 -7.84628f, -7.88222f, -7.91341f, -7.93984f, -7.96148f, -7.97832f, -7.99036f, -7.99759f,
-		 -8f, -7.99759f, -7.99036f, -7.97832f, -7.96148f, -7.93984f, -7.91341f, -7.88222f,
-		 -7.84628f, -7.80562f, -7.76025f, -7.71021f, -7.65552f, -7.59623f, -7.53235f, -7.46394f,
-		 -7.39104f, -7.31368f, -7.23191f, -7.14579f, -7.05537f, -6.9607f, -6.86183f, -6.75883f,
-		 -6.65176f, -6.54068f, -6.42566f, -6.30677f, -6.18408f, -6.05767f, -5.92761f, -5.79398f,
-		 -5.65685f, -5.51632f, -5.37247f, -5.22538f, -5.07515f, -4.92185f, -4.76559f, -4.60647f,
-		 -4.44456f, -4.27998f, -4.11282f, -3.94319f, -3.77117f, -3.59689f, -3.42044f, -3.24193f,
-		 -3.06147f, -2.87916f, -2.69512f, -2.50945f, -2.32228f, -2.1337f, -1.94384f, -1.75281f,
-		 -1.56072f, -1.3677f, -1.17384f, -0.979285f, -0.784137f, -0.588517f, -0.392541f, -0.19633f
-	};
-	
-	String skyname;
-	float	skyrotate;
-	float[] skyaxis = {0, 0, 0};
-	image_t[] sky_images = new image_t[6];
-
-	msurface_t	warpface;
-
-	static final int SUBDIVIDE_SIZE = 64;
-
-	/**
-	 * BoundPoly
-	 * @param numverts
-	 * @param verts
-	 * @param mins
-	 * @param maxs
-	 */
-	void BoundPoly(int numverts, float[][] verts, float[] mins, float[] maxs) {
-		mins[0] = mins[1] = mins[2] = 9999;
-		maxs[0] = maxs[1] = maxs[2] = -9999;
-
-		int j;
-		float[] v;
-		for (int i=0 ; i<numverts ; i++) {
-			v = verts[i];
-			for (j=0 ; j<3 ; j++) {
-				if (v[j] < mins[j])
-					mins[j] = v[j];
-				if (v[j] > maxs[j])
-					maxs[j] = v[j];
-			}
-		}
-	}
-
-	/**
-	 * SubdividePolygon
-	 * @param numverts
-	 * @param verts
-	 */
-	void SubdividePolygon(int numverts, float[][] verts)
-	{
-		int i, j, k;
-		float	m;
-		float[][] front = new float[64][3];
-		float[][] back = new float[64][3];
-
-		int f, b;
-		float[] dist = new float[64];
-		float	frac;
-
-		if (numverts > 60)
-			Com.Error(Defines.ERR_DROP, "numverts = " + numverts);
-
-		float[] mins = Vec3Cache.get();
-		float[] maxs = Vec3Cache.get();
-
-		BoundPoly(numverts, verts, mins, maxs);
-		float[] v;
-		// x,y und z 
-		for (i=0 ; i<3 ; i++)
-		{
-			m = (mins[i] + maxs[i]) * 0.5f;
-			m = SUBDIVIDE_SIZE * (float)Math.floor(m / SUBDIVIDE_SIZE + 0.5f);
-			if (maxs[i] - m < 8)
-				continue;
-			if (m - mins[i] < 8)
-				continue;
-
-			// cut it
-			for (j=0 ; j<numverts ; j++) {
-				dist[j] = verts[j][i] - m;
-			}
-
-			// wrap cases
-			dist[j] = dist[0];
-
-			Math3D.VectorCopy(verts[0], verts[numverts]);
-			
-			f = b = 0;
-			for (j=0 ; j<numverts ; j++)
-			{
-				v = verts[j];
-				if (dist[j] >= 0)
-				{
-					Math3D.VectorCopy(v, front[f]);
-					f++;
-				}
-				if (dist[j] <= 0)
-				{
-					Math3D.VectorCopy(v, back[b]);
-					b++;
-				}
-				if (dist[j] == 0 || dist[j+1] == 0) continue;
-				
-				if ( (dist[j] > 0) != (dist[j+1] > 0) )
-				{
-					// clip point
-					frac = dist[j] / (dist[j] - dist[j+1]);
-					for (k=0 ; k<3 ; k++)
-						front[f][k] = back[b][k] = v[k] + frac*(verts[j+1][k] - v[k]);
-						
-					f++;
-					b++;
-				}
-			}
-
-			SubdividePolygon(f, front);
-			SubdividePolygon(b, back);
-			
-			Vec3Cache.release(2); // mins, maxs
-			return;
-		}
-		
-		Vec3Cache.release(2); // mins, maxs
-		
-		// add a point in the center to help keep warp valid
-		
-		// wird im Konstruktor erschlagen
-		// poly = Hunk_Alloc (sizeof(glpoly_t) + ((numverts-4)+2) * VERTEXSIZE*sizeof(float));
-
-		// init polys
-		glpoly_t poly = Polygon.create(numverts + 2);
-
-		poly.next = warpface.polys;
-		warpface.polys = poly;
-		
-		float[] total = Vec3Cache.get();
-		Math3D.VectorClear(total);
-		float total_s = 0;
-		float total_t = 0;
-		float s, t;
-		for (i = 0; i < numverts; i++) {
-            poly.x(i + 1, verts[i][0]);
-            poly.y(i + 1, verts[i][1]);
-            poly.z(i + 1, verts[i][2]);
-            s = Math3D.DotProduct(verts[i], warpface.texinfo.vecs[0]);
-            t = Math3D.DotProduct(verts[i], warpface.texinfo.vecs[1]);
-
-            total_s += s;
-            total_t += t;
-            Math3D.VectorAdd(total, verts[i], total);
-
-            poly.s1(i + 1, s);
-            poly.t1(i + 1, t);
-        }
-        
-        float scale = 1.0f / numverts; 
-        poly.x(0, total[0] * scale);
-        poly.y(0, total[1] * scale);
-        poly.z(0, total[2] * scale);
-        poly.s1(0, total_s * scale);
-        poly.t1(0, total_t * scale);
-
-        poly.x(i + 1, poly.x(1));
-        poly.y(i + 1, poly.y(1));
-        poly.z(i + 1, poly.z(1));
-        poly.s1(i + 1, poly.s1(1));
-        poly.t1(i + 1, poly.t1(1));
-        poly.s2(i + 1, poly.s2(1));
-        poly.t2(i + 1, poly.t2(1));
-        
-        Vec3Cache.release(); // total
-	}
-
-	private final float[][] tmpVerts = new float[64][3];
-	/**
-	 * GL_SubdivideSurface
-	 * Breaks a polygon up along axial 64 unit
-	 * boundaries so that turbulent and sky warps
-	 * can be done reasonably.
-	 */
-    void GL_SubdivideSurface(msurface_t fa) {
-        float[][] verts = tmpVerts;
-        float[] vec;
-        warpface = fa;
-        //
-        // convert edges back to a normal polygon
-        //
-        int numverts = 0;
-        for (int i = 0; i < fa.numedges; i++) {
-            int lindex = loadmodel.surfedges[fa.firstedge + i];
-
-            if (lindex > 0)
-                vec = loadmodel.vertexes[loadmodel.edges[lindex].v[0]].position;
-            else
-                vec = loadmodel.vertexes[loadmodel.edges[-lindex].v[1]].position;
-            Math3D.VectorCopy(vec, verts[numverts]);
-            numverts++;
-        }
-        SubdividePolygon(numverts, verts);
-    }
-
-// =========================================================
-	static final float TURBSCALE = (float)(256.0f / (2 * Math.PI));
-
-	/**
-	 * EmitWaterPolys
-	 * Does a water warp on the pre-fragmented glpoly_t chain
-	 */
-	void EmitWaterPolys(msurface_t fa)
-	{
-		float rdt = r_newrefdef.time;
-
-		float scroll;
-		if ((fa.texinfo.flags & Defines.SURF_FLOWING) != 0)
-			scroll = -64 * ( (r_newrefdef.time*0.5f) - (int)(r_newrefdef.time*0.5f) );
-		else
-			scroll = 0;
-		
-		int i;
-		float s, t, os, ot;
-		glpoly_t p, bp;
-        for (bp = fa.polys; bp != null; bp = bp.next) {
-            p = bp;
-
-            gl.glBegin(GL11.GL_TRIANGLE_FAN);
-            for (i = 0; i < p.numverts; i++) {
-                os = p.s1(i);
-                ot = p.t1(i);
-
-                s = os
-                        + Warp.SIN[(int) ((ot * 0.125f + r_newrefdef.time) * TURBSCALE) & 255];
-                s += scroll;
-                s *= (1.0f / 64);
-
-                t = ot
-                        + Warp.SIN[(int) ((os * 0.125f + rdt) * TURBSCALE) & 255];
-                t *= (1.0f / 64);
-
-                gl.glTexCoord2f(s, t);
-                gl.glVertex3f(p.x(i), p.y(i), p.z(i));
-            }
-            gl.glEnd();
-        }
-	}
-
-//	  ===================================================================
-
-	float[][] skyclip = {
-		{ 1,  1, 0},
-		{ 1, -1, 0},
-		{ 0, -1, 1},
-		{ 0,  1, 1},
-		{ 1,  0, 1},
-		{-1,  0, 1} 
-	};
-
-	int c_sky;
-
-	// 1 = s, 2 = t, 3 = 2048
-	int[][]	st_to_vec =
-	{
-		{3,-1,2},
-		{-3,1,2},
-
-		{1,3,2},
-		{-1,-3,2},
-
-		{-2,-1,3},		// 0 degrees yaw, look straight up
-		{2,-1,-3}		// look straight down
-
-	};
-
-	int[][]	vec_to_st =
-	{
-		{-2,3,1},
-		{2,3,-1},
-
-		{1,3,2},
-		{-1,3,-2},
-
-		{-2,-1,3},
-		{-2,1,-3}
-
-	};
-
-	float[][] skymins = new float[2][6];
-	float[][] skymaxs = new float[2][6];
-	float	sky_min, sky_max;
-
-	// stack variable
-	private final float[] v = {0, 0, 0};
-	private final float[] av = {0, 0, 0};
-	/**
-	 * DrawSkyPolygon
-	 * @param nump
-	 * @param vecs
-	 */
-	void DrawSkyPolygon(int nump, float[][] vecs)
-	{
-		c_sky++;
-		// decide which face it maps to
-		Math3D.VectorCopy(Globals.vec3_origin, v);
-		int i, axis;
-		for (i=0; i<nump ; i++)
-		{
-			Math3D.VectorAdd(vecs[i], v, v);
-		}
-		av[0] = Math.abs(v[0]);
-		av[1] = Math.abs(v[1]);
-		av[2] = Math.abs(v[2]);
-		if (av[0] > av[1] && av[0] > av[2])
-		{
-			if (v[0] < 0)
-				axis = 1;
-			else
-				axis = 0;
-		}
-		else if (av[1] > av[2] && av[1] > av[0])
-		{
-			if (v[1] < 0)
-				axis = 3;
-			else
-				axis = 2;
-		}
-		else
-		{
-			if (v[2] < 0)
-				axis = 5;
-			else
-				axis = 4;
-		}
-
-		// project new texture coords
-		float	s, t, dv;
-		int j;
-		for (i=0 ; i<nump ; i++)
-		{
-			j = vec_to_st[axis][2];
-			if (j > 0)
-				dv = vecs[i][j - 1];
-			else
-				dv = -vecs[i][-j - 1];
-			if (dv < 0.001f)
-				continue;	// don't divide by zero
-			j = vec_to_st[axis][0];
-			if (j < 0)
-				s = -vecs[i][-j -1] / dv;
-			else
-				s = vecs[i][j-1] / dv;
-			j = vec_to_st[axis][1];
-			if (j < 0)
-				t = -vecs[i][-j -1] / dv;
-			else
-				t = vecs[i][j-1] / dv;
-
-			if (s < skymins[0][axis])
-				skymins[0][axis] = s;
-			if (t < skymins[1][axis])
-				skymins[1][axis] = t;
-			if (s > skymaxs[0][axis])
-				skymaxs[0][axis] = s;
-			if (t > skymaxs[1][axis])
-				skymaxs[1][axis] = t;
-		}
-	}
-
-	static final float ON_EPSILON = 0.1f; // point on plane side epsilon
-	static final int MAX_CLIP_VERTS = 64;
-	
-	static final int SIDE_BACK = 1;
-	static final int SIDE_FRONT = 0;
-	static final int SIDE_ON = 2;
-	
-	float[] dists = new float[MAX_CLIP_VERTS];
-	int[] sides = new int[MAX_CLIP_VERTS];
-	float[][][][] newv = new float[6][2][MAX_CLIP_VERTS][3];
-
-	/**
-	 * ClipSkyPolygon
-	 * @param nump
-	 * @param vecs
-	 * @param stage
-	 */
-	void ClipSkyPolygon(int nump, float[][] vecs, int stage)
-	{
-		if (nump > MAX_CLIP_VERTS-2)
-			Com.Error(Defines.ERR_DROP, "ClipSkyPolygon: MAX_CLIP_VERTS");
-		if (stage == 6)
-		{	// fully clipped, so draw it
-			DrawSkyPolygon(nump, vecs);
-			return;
-		}
-
-		boolean front = false;
-		boolean back = false;
-		float[] norm = skyclip[stage];
-
-		int i;
-		float d;
-		for (i=0 ; i<nump ; i++)
-		{
-			d = Math3D.DotProduct(vecs[i], norm);
-			if (d > ON_EPSILON)
-			{
-				front = true;
-				sides[i] = SIDE_FRONT;
-			}
-			else if (d < -ON_EPSILON)
-			{
-				back = true;
-				sides[i] = SIDE_BACK;
-			}
-			else
-				sides[i] = SIDE_ON;
-			dists[i] = d;
-		}
-
-		if (!front || !back)
-		{	// not clipped
-			ClipSkyPolygon (nump, vecs, stage+1);
-			return;
-		}
-
-		// clip it
-		sides[i] = sides[0];
-		dists[i] = dists[0];
-		Math3D.VectorCopy(vecs[0], vecs[i]);
-
-		int newc0 = 0; 	int  newc1 = 0;
-		float[] v;
-		float e;
-		int j;
-		for (i=0; i<nump ; i++)
-		{
-			v = vecs[i];
-			switch (sides[i])
-			{
-			case SIDE_FRONT:
-				Math3D.VectorCopy(v, newv[stage][0][newc0]);
-				newc0++;
-				break;
-			case SIDE_BACK:
-				Math3D.VectorCopy(v, newv[stage][1][newc1]);
-				newc1++;
-				break;
-			case SIDE_ON:
-				Math3D.VectorCopy(v, newv[stage][0][newc0]);
-				newc0++;
-				Math3D.VectorCopy (v, newv[stage][1][newc1]);
-				newc1++;
-				break;
-			}
-
-			if (sides[i] == SIDE_ON || sides[i+1] == SIDE_ON || sides[i+1] == sides[i])
-				continue;
-
-			d = dists[i] / (dists[i] - dists[i+1]);
-			for (j=0 ; j<3 ; j++)
-			{
-				e = v[j] + d * (vecs[i + 1][j] - v[j]);
-				newv[stage][0][newc0][j] = e;
-				newv[stage][1][newc1][j] = e;
-			}
-			newc0++;
-			newc1++;
-		}
-
-		// continue
-		ClipSkyPolygon(newc0, newv[stage][0], stage+1);
-		ClipSkyPolygon(newc1, newv[stage][1], stage+1);
-	}
-
-	float[][] verts = new float[MAX_CLIP_VERTS][3];
-
-	/**
-	 * R_AddSkySurface
-	 */
-	void R_AddSkySurface(msurface_t fa)
-	{
-	    // calculate vertex values for sky box
-        for (glpoly_t p = fa.polys; p != null; p = p.next) {
-            for (int i = 0; i < p.numverts; i++) {
-                verts[i][0] = p.x(i) - r_origin[0];
-                verts[i][1] = p.y(i) - r_origin[1];
-                verts[i][2] = p.z(i) - r_origin[2];
-            }
-            ClipSkyPolygon(p.numverts, verts, 0);
-        }
- 	}
-
-	/**
-	 * R_ClearSkyBox
-	 */
-	void R_ClearSkyBox()
-	{
-		float[] skymins0 = skymins[0];
-		float[] skymins1 = skymins[1];
-		float[] skymaxs0 = skymaxs[0];
-		float[] skymaxs1 = skymaxs[1];
-		
-		for (int i=0 ; i<6 ; i++)
-		{
-			skymins0[i] = skymins1[i] = 9999;
-			skymaxs0[i] = skymaxs1[i] = -9999;
-		}
-	}
-	
-	// stack variable
-	private final float[] v1 = {0, 0, 0};
-	private final float[] b = {0, 0, 0};
-	/**
-	 * MakeSkyVec
-	 * @param s
-	 * @param t
-	 * @param axis
-	 */
-	void MakeSkyVec(float s, float t, int axis)
-	{
-		b[0] = s*2300;
-		b[1] = t*2300;
-		b[2] = 2300;
-
-		int j, k;
-		for (j=0 ; j<3 ; j++)
-		{
-			k = st_to_vec[axis][j];
-			if (k < 0)
-				v1[j] = -b[-k - 1];
-			else
-				v1[j] = b[k - 1];
-		}
-
-		// avoid bilerp seam
-		s = (s + 1) * 0.5f;
-		t = (t + 1) * 0.5f;
-
-		if (s < sky_min)
-			s = sky_min;
-		else if (s > sky_max)
-			s = sky_max;
-		if (t < sky_min)
-			t = sky_min;
-		else if (t > sky_max)
-			t = sky_max;
-
-		t = 1.0f - t;
-		gl.glTexCoord2f (s, t);
-		gl.glVertex3f(v1[0], v1[1], v1[2]);
-	}
-
-	int[] skytexorder = {0,2,1,3,4,5};
-
-	/**
-	 * R_DrawSkyBox
-	 */
-	void R_DrawSkyBox()
-	{
-		int i;
-
-		if (skyrotate != 0)
-		{	// check for no sky at all
-			for (i=0 ; i<6 ; i++)
-				if (skymins[0][i] < skymaxs[0][i]
-				&& skymins[1][i] < skymaxs[1][i])
-					break;
-			if (i == 6)
-				return;		// nothing visible
-		}
-
-		gl.glPushMatrix ();
-		gl.glTranslatef (r_origin[0], r_origin[1], r_origin[2]);
-		gl.glRotatef (r_newrefdef.time * skyrotate, skyaxis[0], skyaxis[1], skyaxis[2]);
-
-		for (i=0 ; i<6 ; i++)
-		{
-			if (skyrotate != 0)
-			{	// hack, forces full sky to draw when rotating
-				skymins[0][i] = -1;
-				skymins[1][i] = -1;
-				skymaxs[0][i] = 1;
-				skymaxs[1][i] = 1;
-			}
-
-			if (skymins[0][i] >= skymaxs[0][i]
-			|| skymins[1][i] >= skymaxs[1][i])
-				continue;
-
-			GL_Bind(sky_images[skytexorder[i]].texnum);
-
-			gl.glBegin(GL11.GL_QUADS);
-			MakeSkyVec(skymins[0][i], skymins[1][i], i);
-			MakeSkyVec(skymins[0][i], skymaxs[1][i], i);
-			MakeSkyVec(skymaxs[0][i], skymaxs[1][i], i);
-			MakeSkyVec(skymaxs[0][i], skymins[1][i], i);
-			gl.glEnd ();
-		}
-		gl.glPopMatrix ();
-	}
-
-	// 3dstudio environment map names
-	String[] suf = {"rt", "bk", "lf", "ft", "up", "dn"};
-	
-	/**
-	 * R_SetSky
-	 * @param name
-	 * @param rotate
-	 * @param axis
-	 */
-	protected void R_SetSky(String name, float rotate, float[] axis)
-	{
-		assert (axis.length == 3) : "vec3_t bug";
-		String pathname;
-		skyname = name;
-
-		skyrotate = rotate;
-		Math3D.VectorCopy(axis, skyaxis);
-
-		for (int i=0 ; i<6 ; i++)
-		{
-			// chop down rotating skies for less memory
-			if (gl_skymip.value != 0 || skyrotate != 0)
-				gl_picmip.value++;
-
-			if ( qglColorTableEXT && gl_ext_palettedtexture.value != 0) {
-				//	Com_sprintf (pathname, sizeof(pathname), "env/%s%s.pcx", skyname, suf[i]);
-				pathname = "env/" + skyname + suf[i] + ".pcx";
-			} else {
-				// Com_sprintf (pathname, sizeof(pathname), "env/%s%s.tga", skyname, suf[i]);
-				pathname = "env/" + skyname + suf[i] + ".tga";
-			}
-
-			sky_images[i] = GL_FindImage(pathname, it_sky);
-
-			if (sky_images[i] == null)
-				sky_images[i] = r_notexture;
-
-			if (gl_skymip.value != 0 || skyrotate != 0)
-			{	// take less memory
-				gl_picmip.value--;
-				sky_min = 1.0f / 256;
-				sky_max = 255.0f / 256;
-			}
-			else	
-			{
-				sky_min = 1.0f / 512;
-				sky_max = 511.0f / 512;
-			}
-		}
-	}
-}
\ No newline at end of file