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+/*
+
+ viDOOM - level editor for DOOM
+
+ Copyright (C) 2000 Ian Cowburn (ianc@noddybox.demon.co.uk)
+
+ 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
+
+ -------------------------------------------------------------------------
+
+ General editor drawing routines
+
+*/
+static const char rcs_id[]="$Id$";
+
+#include "config.h"
+#include "globals.h"
+
+#include <math.h>
+
+#include "editvar.h"
+
+
+/* ---------------------------------------- DRAWING FUNCTIONS
+*/
+void DrawArrow(int x1,int y1,int x2,int y2,int c)
+{
+ int dx,dy;
+ double ang;
+ int x,y;
+
+ TRACE;
+
+ dx=x1-x2;
+ dy=y1-y2;
+
+ /* Calc angle that the line is at
+ */
+ if (dx==0)
+ if (dy<0)
+ ang=RAD(0);
+ else
+ ang=RAD(180);
+ else if (dy==0)
+ if (dx<0)
+ ang=RAD(90);
+ else
+ ang=RAD(270);
+ else
+ {
+ ang=atan((double)dx/(double)dy);
+
+ if (dy>0)
+ ang-=RAD(180);
+ }
+
+ MapLine(x1,y1,x2,y2,c);
+
+ x=(int)(x2-sin(ang-RAD(25))*12.0);
+ y=(int)(y2-cos(ang-RAD(25))*12.0);
+ MapLine(x2,y2,x,y,c);
+
+ x=(int)(x2-sin(ang+RAD(25))*12.0);
+ y=(int)(y2-cos(ang+RAD(25))*12.0);
+ MapLine(x2,y2,x,y,c);
+}
+
+
+void DrawGrid(void)
+{
+ int c;
+
+ TRACE;
+
+ if (!grid_onoff)
+ return;
+
+ agrid=grid_size;
+
+ while((agrid/scale)<8)
+ agrid*=2;
+
+ c=YToMap(0);
+
+ while(c%agrid)
+ c++;
+
+ while(c>YToMap(SCRH-1))
+ {
+ GFX_line(0,MapToY(c),SCRW-1,MapToY(c),GRIDCOL);
+ c-=agrid;
+ }
+
+ c=ox;
+ while(c%agrid)
+ c--;
+
+ while(c<XToMap(SCRW-1))
+ {
+ GFX_line(MapToX(c),0,MapToX(c),SCRH-1,GRIDCOL);
+ c+=agrid;
+ }
+}
+
+
+void DrawMap(void)
+{
+ int f;
+ Object *o;
+ EditLine *l;
+ EditVert *v;
+ EditThing *t;
+ EditSect *s;
+ Iterator i;
+ int *sv;
+
+ TRACE;
+
+ for(f=0;f<MapSize(linedef);f++)
+ {
+ o=MapElem(linedef,f);
+ l=o->data;
+
+ if (l)
+ {
+ /* LINEDEFS can move if we're in certain edit modes
+ */
+ if (edit_mode!=THING_MODE)
+ LineCalcBounding(l);
+
+ if (edit_mode!=SECTOR_MODE)
+ if (LineOnDisplay(l))
+ switch(edit_mode)
+ {
+ case VERTEX_MODE:
+ case MULTI_MODE:
+ DrawArrow(l->v[0]->v.x,l->v[0]->v.y,
+ l->v[1]->v.x,l->v[1]->v.y,LINECOL);
+ break;
+
+ case LINEDEF_MODE:
+ DrawObject_LINEDEF(l,o->select);
+ break;
+
+ case THING_MODE:
+ MapLineD(l,LINECOL);
+ break;
+ }
+ }
+ }
+
+ if ((edit_mode==VERTEX_MODE)||(edit_mode==MULTI_MODE))
+ for(f=0;f<MapSize(vertex);f++)
+ {
+ o=MapElem(vertex,f);
+ v=o->data;
+
+ if (v)
+ if (PointOnDisplay(v->v.x,v->v.y,vertex_rad))
+ DrawObject_VERTEX(v,o->select);
+ }
+
+ /* Sectors are drawn in a number of passes as selected sectors can quite
+ easily be overdrtawn by unselected ones
+ */
+ if (edit_mode==SECTOR_MODE)
+ {
+ for(f=0;f<MapSize(sector);f++)
+ {
+ o=MapElem(sector,f);
+ s=o->data;
+ if (s)
+ {
+ SectorCalcBounding(s);
+
+ if (SectorOnDisplay(s))
+ DrawObject_SECTOR(s,o->select);
+ }
+ }
+
+ i=ListIterator(selected);
+
+ while(i)
+ {
+ sv=IteratorData(i);
+
+ o=MapElem(sector,*sv);
+ s=o->data;
+ if (s)
+ {
+ SectorCalcBounding(s);
+
+ if (SectorOnDisplay(s))
+ DrawObject_SECTOR(s,o->select);
+ }
+
+ i=IteratorNext(i);
+ }
+
+ /* This slightly dodgy check is because sectors (as explained) do not
+ order themselves very well. This check wil put the currently
+ hovered-over object back on top of the display.
+ */
+ if (current!=-1)
+ {
+ o=MapElem(sector,current);
+ s=o->data;
+
+ if (s)
+ {
+ SectorCalcBounding(s);
+
+ if (SectorOnDisplay(s))
+ DrawObject_SECTOR(s,o->select);
+ }
+ }
+ }
+
+ for(f=0;f<MapSize(thing);f++)
+ {
+ o=MapElem(thing,f);
+ t=o->data;
+
+ if (t)
+ if ((edit_mode==THING_MODE)||(edit_mode==MULTI_MODE))
+ {
+ if (PointOnDisplay(t->t.x,t->t.y,ThingRadius(t->t.type,NULL)))
+ DrawObject_THING(t,o->select);
+ }
+ else
+ if (PointOnDisplay(t->t.x,t->t.y,8))
+ {
+ MapLine(t->t.x-8,t->t.y,t->t.x+8,t->t.y,THINGCOL);
+ MapLine(t->t.x,t->t.y-8,t->t.x,t->t.y+8,THINGCOL);
+ }
+ }
+}
+
+
+void DrawHeader(void)
+{
+#ifdef DEBUG
+ static int chk=TRUE;
+ static int db=FALSE;
+#endif
+
+ TRACE;
+
+ GFX_frect(0,0,SCRW,FH*2,BLUE);
+
+ GFX_print(0,0,WHITE,"Mode: %-8s Pos: %d,%d",
+ edit_str[edit_mode],XToMap(ms.x),YToMap(ms.y));
+
+ if (grid_onoff)
+ GFX_print(SCRW/2,0,WHITE,"Scale: %-2d Lock: %-3s Grid : %d/%d",
+ scale,YESNO(grid_lock),grid_size,agrid);
+ else
+ GFX_print(SCRW/2,0,WHITE,"Scale: %-2d Lock: %-3s Grid : %d",
+ scale,YESNO(grid_lock),grid_size);
+
+ DrawObjectHeader();
+
+#ifdef DEBUG
+
+ /* Debug
+ */
+ if (chk)
+ {
+ if ((getenv("VIDOOM_VDEBUG"))&&(!strcmp(getenv("VIDOOM_VDEBUG"),"Y")))
+ db=TRUE;
+ else
+ db=FALSE;
+
+ chk=FALSE;
+ }
+
+ if (db)
+ {
+ static char ds[128];
+ int y;
+ Iterator i;
+ int *f;
+
+ GFX_frect(0,FH*2,SCRW,FH*2,RED);
+ GFX_print(0,FH*2,WHITE,"ox=%d oy=%d "
+ "SectorHoldingPoint(%d,%d)=%d "
+ "ListSize(selected)=%d",
+ ox,oy,
+ XToMap(ms.x),YToMap(ms.y),
+ SectorHoldingPoint(XToMap(ms.x),YToMap(ms.y)),
+ ListSize(selected));
+
+ i=ListIterator(selected);
+ ds[0]=0;
+ y=FH*3;
+
+ while(i)
+ {
+ f=IteratorData(i);
+
+ if (strlen(ds)>70)
+ {
+ GFX_print(0,y,WHITE,ds);
+ ds[0]=0;
+ y+=FH;
+ }
+
+ sprintf(ds+strlen(ds),"%d, ",*f);
+
+ i=IteratorNext(i);
+ }
+
+ strcat(ds,"<EOL>");
+ GFX_print(0,y,WHITE,"%s",ds);
+ }
+#endif
+}
+
+
+void FullRedraw(void)
+{
+ TRACE;
+
+ GFX_mouse(&ms.x,&ms.y);
+ GFX_clear(BLACK);
+
+ DrawGrid();
+ DrawMap();
+ DrawObjectInfo();
+ DrawHeader();
+}
+
+
+/* END OF FILE */