--- /dev/null
+/*
+===========================================================================
+Copyright (C) 1997-2006 Id Software, Inc.
+
+This file is part of Quake 2 Tools source code.
+
+Quake 2 Tools source code 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.
+
+Quake 2 Tools source code 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 Quake 2 Tools source code; if not, write to the Free Software
+Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+===========================================================================
+*/
+
+#include "qe3.h"
+
+int FindPoint (vec3_t point)
+{
+ int i, j;
+
+ for (i=0 ; i<g_qeglobals.d_numpoints ; i++)
+ {
+ for (j=0 ; j<3 ; j++)
+ if (fabs(point[j] - g_qeglobals.d_points[i][j]) > 0.1)
+ break;
+ if (j == 3)
+ return i;
+ }
+
+ VectorCopy (point, g_qeglobals.d_points[g_qeglobals.d_numpoints]);
+ g_qeglobals.d_numpoints++;
+
+ return g_qeglobals.d_numpoints-1;
+}
+
+int FindEdge (int p1, int p2, face_t *f)
+{
+ int i;
+
+ for (i=0 ; i<g_qeglobals.d_numedges ; i++)
+ if (g_qeglobals.d_edges[i].p1 == p2 && g_qeglobals.d_edges[i].p2 == p1)
+ {
+ g_qeglobals.d_edges[i].f2 = f;
+ return i;
+ }
+
+ g_qeglobals.d_edges[g_qeglobals.d_numedges].p1 = p1;
+ g_qeglobals.d_edges[g_qeglobals.d_numedges].p2 = p2;
+ g_qeglobals.d_edges[g_qeglobals.d_numedges].f1 = f;
+ g_qeglobals.d_numedges++;
+
+ return g_qeglobals.d_numedges-1;
+}
+
+void MakeFace (face_t *f)
+{
+ winding_t *w;
+ int i;
+ int pnum[128];
+
+ w = MakeFaceWinding (selected_brushes.next, f);
+ if (!w)
+ return;
+ for (i=0 ; i<w->numpoints ; i++)
+ pnum[i] = FindPoint (w->points[i]);
+ for (i=0 ; i<w->numpoints ; i++)
+ FindEdge (pnum[i], pnum[(i+1)%w->numpoints], f);
+
+ free (w);
+}
+
+void SetupVertexSelection (void)
+{
+ face_t *f;
+ brush_t *b;
+
+ g_qeglobals.d_numpoints = 0;
+ g_qeglobals.d_numedges = 0;
+ if (!QE_SingleBrush())
+ return;
+ b = selected_brushes.next;
+ for (f=b->brush_faces ; f ; f=f->next)
+ MakeFace (f);
+
+ Sys_UpdateWindows (W_ALL);
+}
+
+
+void SelectFaceEdge (face_t *f, int p1, int p2)
+{
+ winding_t *w;
+ int i, j, k;
+ int pnum[128];
+
+ w = MakeFaceWinding (selected_brushes.next, f);
+ if (!w)
+ return;
+ for (i=0 ; i<w->numpoints ; i++)
+ pnum[i] = FindPoint (w->points[i]);
+ for (i=0 ; i<w->numpoints ; i++)
+ if (pnum[i] == p1 && pnum[(i+1)%w->numpoints] == p2)
+ {
+ VectorCopy (g_qeglobals.d_points[pnum[i]], f->planepts[0]);
+ VectorCopy (g_qeglobals.d_points[pnum[(i+1)%w->numpoints]], f->planepts[1]);
+ VectorCopy (g_qeglobals.d_points[pnum[(i+2)%w->numpoints]], f->planepts[2]);
+ for (j=0 ; j<3 ; j++)
+ {
+ for (k=0 ; k<3 ; k++)
+ {
+ f->planepts[j][k] = floor(f->planepts[j][k]/g_qeglobals.d_gridsize+0.5)*g_qeglobals.d_gridsize;
+ }
+ }
+
+ AddPlanept (f->planepts[0]);
+ AddPlanept (f->planepts[1]);
+ break;
+ }
+
+ if (i == w->numpoints)
+ Sys_Printf ("SelectFaceEdge: failed\n");
+ free (w);
+}
+
+void SelectVertex (int p1)
+{
+ brush_t *b;
+ winding_t *w;
+ int i, j, k;
+ face_t *f;
+
+ b = selected_brushes.next;
+ for (f=b->brush_faces ; f ; f=f->next)
+ {
+ w = MakeFaceWinding (b, f);
+ if (!w)
+ continue;
+ for (i=0 ; i<w->numpoints ; i++)
+ {
+ if (FindPoint (w->points[i]) == p1)
+ {
+ VectorCopy (w->points[(i+w->numpoints-1)%w->numpoints], f->planepts[0]);
+ VectorCopy (w->points[i], f->planepts[1]);
+ VectorCopy (w->points[(i+1)%w->numpoints], f->planepts[2]);
+ for (j=0 ; j<3 ; j++)
+ {
+ for (k=0 ; k<3 ; k++)
+ {
+ f->planepts[j][k] = floor(f->planepts[j][k]/g_qeglobals.d_gridsize+0.5)*g_qeglobals.d_gridsize;
+ }
+ }
+
+ AddPlanept (f->planepts[1]);
+ break;
+ }
+ }
+ free (w);
+ }
+}
+
+void SelectEdgeByRay (vec3_t org, vec3_t dir)
+{
+ int i, j, besti;
+ float d, bestd;
+ vec3_t mid, temp;
+ pedge_t *e;
+
+ // find the edge closest to the ray
+ besti = -1;
+ bestd = 8;
+
+ for (i=0 ; i<g_qeglobals.d_numedges ; i++)
+ {
+ for (j=0 ; j<3 ; j++)
+ mid[j] = 0.5*(g_qeglobals.d_points[g_qeglobals.d_edges[i].p1][j] + g_qeglobals.d_points[g_qeglobals.d_edges[i].p2][j]);
+
+ VectorSubtract (mid, org, temp);
+ d = DotProduct (temp, dir);
+ VectorMA (org, d, dir, temp);
+ VectorSubtract (mid, temp, temp);
+ d = VectorLength (temp);
+ if (d < bestd)
+ {
+ bestd = d;
+ besti = i;
+ }
+ }
+
+ if (besti == -1)
+ {
+ Sys_Printf ("Click didn't hit an edge\n");
+ return;
+ }
+ Sys_Printf ("hit edge\n");
+
+ // make the two faces that border the edge use the two edge points
+ // as primary drag points
+ g_qeglobals.d_num_move_points = 0;
+ e = &g_qeglobals.d_edges[besti];
+ SelectFaceEdge (e->f1, e->p1, e->p2);
+ SelectFaceEdge (e->f2, e->p2, e->p1);
+}
+
+void SelectVertexByRay (vec3_t org, vec3_t dir)
+{
+ int i, besti;
+ float d, bestd;
+ vec3_t temp;
+
+ // find the point closest to the ray
+ besti = -1;
+ bestd = 8;
+
+ for (i=0 ; i<g_qeglobals.d_numpoints ; i++)
+ {
+ VectorSubtract (g_qeglobals.d_points[i], org, temp);
+ d = DotProduct (temp, dir);
+ VectorMA (org, d, dir, temp);
+ VectorSubtract (g_qeglobals.d_points[i], temp, temp);
+ d = VectorLength (temp);
+ if (d < bestd)
+ {
+ bestd = d;
+ besti = i;
+ }
+ }
+
+ if (besti == -1)
+ {
+ Sys_Printf ("Click didn't hit a vertex\n");
+ return;
+ }
+ Sys_Printf ("hit vertex\n");
+ SelectVertex (besti);
+}
+
+
+
projects / xonotic / netradiant.git / blobdiff