diff options
Diffstat (limited to 'src/jake2/render/lwjgl/Warp.java')
| -rw-r--r-- | src/jake2/render/lwjgl/Warp.java | 718 |
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 |