109 lines
3.5 KiB
C
109 lines
3.5 KiB
C
/*
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===========================================================================
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Copyright (C) 1999-2005 Id Software, Inc.
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This file is part of Quake III Arena source code.
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Quake III Arena source code is free software; you can redistribute it
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and/or modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 2 of the License,
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or (at your option) any later version.
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Quake III Arena source code is distributed in the hope that it will be
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useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Foobar; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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===========================================================================
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*/
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#include "qbsp.h"
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#include "../botlib/aasfile.h"
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#include "aas_create.h"
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//===========================================================================
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// try to melt the windings of the two faces
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// FIXME: this is buggy
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//
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// Parameter: -
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// Returns: -
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// Changes Globals: -
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//===========================================================================
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int AAS_MeltFaceWinding(tmp_face_t *face1, tmp_face_t *face2)
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{
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int i, n;
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int splits = 0;
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winding_t *w2, *neww;
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plane_t *plane1;
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#ifdef DEBUG
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if (!face1->winding) Error("face1 %d without winding", face1->num);
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if (!face2->winding) Error("face2 %d without winding", face2->num);
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#endif //DEBUG
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w2 = face2->winding;
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plane1 = &mapplanes[face1->planenum];
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for (i = 0; i < w2->numpoints; i++)
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{
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if (PointOnWinding(face1->winding, plane1->normal, plane1->dist, w2->p[i], &n))
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{
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neww = AddWindingPoint(face1->winding, w2->p[i], n);
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FreeWinding(face1->winding);
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face1->winding = neww;
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splits++;
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} //end if
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} //end for
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return splits;
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} //end of the function AAS_MeltFaceWinding
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//===========================================================================
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// melt the windings of the area faces
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//
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// Parameter: -
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// Returns: -
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// Changes Globals: -
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//===========================================================================
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int AAS_MeltFaceWindingsOfArea(tmp_area_t *tmparea)
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{
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int side1, side2, num_windingsplits = 0;
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tmp_face_t *face1, *face2;
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for (face1 = tmparea->tmpfaces; face1; face1 = face1->next[side1])
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{
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side1 = face1->frontarea != tmparea;
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for (face2 = tmparea->tmpfaces; face2; face2 = face2->next[side2])
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{
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side2 = face2->frontarea != tmparea;
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if (face1 == face2) continue;
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num_windingsplits += AAS_MeltFaceWinding(face1, face2);
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} //end for
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} //end for
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return num_windingsplits;
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} //end of the function AAS_MeltFaceWindingsOfArea
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//===========================================================================
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// melt the windings of the faces of all areas
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//
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// Parameter: -
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// Returns: -
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// Changes Globals: -
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//===========================================================================
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void AAS_MeltAreaFaceWindings(void)
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{
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tmp_area_t *tmparea;
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int num_windingsplits = 0;
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Log_Write("AAS_MeltAreaFaceWindings\r\n");
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qprintf("%6d edges melted", num_windingsplits);
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//NOTE: first convex area (zero) is a dummy
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for (tmparea = tmpaasworld.areas; tmparea; tmparea = tmparea->l_next)
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{
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num_windingsplits += AAS_MeltFaceWindingsOfArea(tmparea);
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qprintf("\r%6d", num_windingsplits);
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} //end for
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qprintf("\n");
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Log_Write("%6d edges melted\r\n", num_windingsplits);
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} //end of the function AAS_MeltAreaFaceWindings
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