xash3d-fwgs/ref_gl/gl_dbghulls.c

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/*
gl_dbghulls.c - loading & handling world and brushmodels
Copyright (C) 2016 Uncle Mike
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 3 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.
*/
#include "gl_local.h"
#include "mod_local.h"
#define list_entry( ptr, type, member ) \
((type *)((char *)(ptr) - (size_t)(&((type *)0)->member)))
// iterate over each entry in the list
#define list_for_each_entry( pos, head, member ) \
for( pos = list_entry( (head)->next, winding_t, member ); \
&pos->member != (head); \
pos = list_entry( pos->member.next, winding_t, member ))
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// REFTODO: rewrite in triapi
void R_DrawWorldHull( void )
{
hull_model_t *hull = &WORLD->hull_models[0];
winding_t *poly;
int i;
if( FBitSet( r_showhull->flags, FCVAR_CHANGED ))
{
int val = bound( 0, (int)r_showhull->value, 3 );
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if( val ) gEngfuncs.Mod_CreatePolygonsForHull( val );
ClearBits( r_showhull->flags, FCVAR_CHANGED );
}
if( !CVAR_TO_BOOL( r_showhull ))
return;
pglDisable( GL_TEXTURE_2D );
list_for_each_entry( poly, &hull->polys, chain )
{
srand((unsigned int)poly);
pglColor3f( rand() % 256 / 255.0, rand() % 256 / 255.0, rand() % 256 / 255.0 );
pglBegin( GL_POLYGON );
for( i = 0; i < poly->numpoints; i++ )
pglVertex3fv( poly->p[i] );
pglEnd();
}
pglEnable( GL_TEXTURE_2D );
}
void R_DrawModelHull( void )
{
hull_model_t *hull;
winding_t *poly;
int i;
if( !CVAR_TO_BOOL( r_showhull ))
return;
if( !RI.currentmodel || RI.currentmodel->name[0] != '*' )
return;
i = atoi( RI.currentmodel->name + 1 );
if( i < 1 || i >= WORLD->num_hull_models )
return;
hull = &WORLD->hull_models[i];
pglPolygonOffset( 1.0f, 2.0 );
pglEnable( GL_POLYGON_OFFSET_FILL );
pglDisable( GL_TEXTURE_2D );
list_for_each_entry( poly, &hull->polys, chain )
{
srand((unsigned int)poly);
pglColor3f( rand() % 256 / 255.0, rand() % 256 / 255.0, rand() % 256 / 255.0 );
pglBegin( GL_POLYGON );
for( i = 0; i < poly->numpoints; i++ )
pglVertex3fv( poly->p[i] );
pglEnd();
}
pglEnable( GL_TEXTURE_2D );
pglDisable( GL_POLYGON_OFFSET_FILL );
}