mirror of
https://github.com/UberGames/ioef.git
synced 2024-12-18 08:31:16 +00:00
286 lines
6.7 KiB
C
286 lines
6.7 KiB
C
/*
|
|
===========================================================================
|
|
Copyright (C) 1999-2005 Id Software, Inc.
|
|
|
|
This file is part of Quake III Arena source code.
|
|
|
|
Quake III Arena 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 III Arena 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 Foobar; if not, write to the Free Software
|
|
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
|
===========================================================================
|
|
*/
|
|
#include "qbsp.h"
|
|
|
|
|
|
void PrintCtrl( vec3_t ctrl[9] ) {
|
|
int i, j;
|
|
|
|
for ( i = 0 ; i < 3 ; i++ ) {
|
|
for ( j = 0 ; j < 3 ; j++ ) {
|
|
_printf("(%5.2f %5.2f %5.2f) ", ctrl[i*3+j][0], ctrl[i*3+j][1], ctrl[i*3+j][2] );
|
|
}
|
|
_printf("\n");
|
|
}
|
|
}
|
|
|
|
/*
|
|
================
|
|
DrawSurfaceForMesh
|
|
================
|
|
*/
|
|
mapDrawSurface_t *DrawSurfaceForMesh( mesh_t *m ) {
|
|
mapDrawSurface_t *ds;
|
|
int i, j;
|
|
mesh_t *copy;
|
|
|
|
// to make valid normals for patches with degenerate edges,
|
|
// we need to make a copy of the mesh and put the aproximating
|
|
// points onto the curve
|
|
copy = CopyMesh( m );
|
|
PutMeshOnCurve( *copy );
|
|
MakeMeshNormals( *copy );
|
|
for ( j = 0 ; j < m->width ; j++ ) {
|
|
for ( i = 0 ; i < m->height ; i++ ) {
|
|
VectorCopy( copy->verts[i*m->width+j].normal, m->verts[i*m->width+j].normal );
|
|
}
|
|
}
|
|
FreeMesh( copy );
|
|
|
|
ds = AllocDrawSurf();
|
|
ds->mapBrush = NULL;
|
|
ds->side = NULL;
|
|
|
|
ds->patch = qtrue;
|
|
ds->patchWidth = m->width;
|
|
ds->patchHeight = m->height;
|
|
ds->numVerts = ds->patchWidth * ds->patchHeight;
|
|
ds->verts = malloc( ds->numVerts * sizeof( *ds->verts ) );
|
|
memcpy( ds->verts, m->verts, ds->numVerts * sizeof( *ds->verts ) );
|
|
|
|
ds->lightmapNum = -1;
|
|
ds->fogNum = -1;
|
|
|
|
return ds;
|
|
}
|
|
|
|
/*
|
|
=================
|
|
ParsePatch
|
|
|
|
Creates a mapDrawSurface_t from the patch text
|
|
=================
|
|
*/
|
|
void ParsePatch( void ) {
|
|
vec_t info[5];
|
|
int i, j;
|
|
parseMesh_t *pm;
|
|
char texture[MAX_QPATH];
|
|
char shader[MAX_QPATH];
|
|
mesh_t m;
|
|
drawVert_t *verts;
|
|
epair_t *ep;
|
|
|
|
MatchToken( "{" );
|
|
|
|
// get texture
|
|
GetToken (qtrue);
|
|
strcpy( texture, token );
|
|
|
|
// save the shader name for retexturing
|
|
if ( numMapIndexedShaders == MAX_MAP_BRUSHSIDES ) {
|
|
Error( "MAX_MAP_BRUSHSIDES" );
|
|
}
|
|
strcpy( mapIndexedShaders[numMapIndexedShaders], texture );
|
|
numMapIndexedShaders++;
|
|
|
|
|
|
Parse1DMatrix( 5, info );
|
|
m.width = info[0];
|
|
m.height = info[1];
|
|
m.verts = verts = malloc( m.width * m.height * sizeof( m.verts[0] ) );
|
|
|
|
if ( m.width < 0 || m.width > MAX_PATCH_SIZE
|
|
|| m.height < 0 || m.height > MAX_PATCH_SIZE ) {
|
|
Error("ParsePatch: bad size");
|
|
}
|
|
|
|
MatchToken( "(" );
|
|
for ( j = 0 ; j < m.width ; j++ ) {
|
|
MatchToken( "(" );
|
|
for ( i = 0 ; i < m.height ; i++ ) {
|
|
Parse1DMatrix( 5, verts[i*m.width+j].xyz );
|
|
}
|
|
MatchToken( ")" );
|
|
}
|
|
MatchToken( ")" );
|
|
|
|
// if brush primitives format, we may have some epairs to ignore here
|
|
GetToken(qtrue);
|
|
if (g_bBrushPrimit!=BPRIMIT_OLDBRUSHES && strcmp(token,"}"))
|
|
{
|
|
// NOTE: we leak that!
|
|
ep = ParseEpair();
|
|
}
|
|
else
|
|
UnGetToken();
|
|
|
|
MatchToken( "}" );
|
|
MatchToken( "}" );
|
|
|
|
if ( noCurveBrushes ) {
|
|
return;
|
|
}
|
|
|
|
// find default flags and values
|
|
pm = malloc( sizeof( *pm ) );
|
|
memset( pm, 0, sizeof( *pm ) );
|
|
|
|
sprintf( shader, "textures/%s", texture );
|
|
pm->shaderInfo = ShaderInfoForShader( shader );
|
|
pm->mesh = m;
|
|
|
|
// link to the entity
|
|
pm->next = mapent->patches;
|
|
mapent->patches = pm;
|
|
}
|
|
|
|
|
|
void GrowGroup_r( int patchNum, int patchCount, const byte *bordering, byte *group ) {
|
|
int i;
|
|
const byte *row;
|
|
|
|
if ( group[patchNum] ) {
|
|
return;
|
|
}
|
|
group[patchNum] = 1;
|
|
row = bordering + patchNum * patchCount;
|
|
for ( i = 0 ; i < patchCount ; i++ ) {
|
|
if ( row[i] ) {
|
|
GrowGroup_r( i, patchCount, bordering, group );
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
/*
|
|
=====================
|
|
PatchMapDrawSurfs
|
|
|
|
Any patches that share an edge need to choose their
|
|
level of detail as a unit, otherwise the edges would
|
|
pull apart.
|
|
=====================
|
|
*/
|
|
void PatchMapDrawSurfs( entity_t *e ) {
|
|
parseMesh_t *pm;
|
|
parseMesh_t *check, *scan;
|
|
mapDrawSurface_t *ds;
|
|
int patchCount, groupCount;
|
|
int i, j, k, l, c1, c2;
|
|
drawVert_t *v1, *v2;
|
|
vec3_t bounds[2];
|
|
byte *bordering;
|
|
parseMesh_t *meshes[MAX_MAP_DRAW_SURFS];
|
|
qboolean grouped[MAX_MAP_DRAW_SURFS];
|
|
byte group[MAX_MAP_DRAW_SURFS];
|
|
|
|
qprintf( "----- PatchMapDrawSurfs -----\n" );
|
|
|
|
patchCount = 0;
|
|
for ( pm = e->patches ; pm ; pm = pm->next ) {
|
|
meshes[patchCount] = pm;
|
|
patchCount++;
|
|
}
|
|
|
|
if ( !patchCount ) {
|
|
return;
|
|
}
|
|
bordering = malloc( patchCount * patchCount );
|
|
memset( bordering, 0, patchCount * patchCount );
|
|
|
|
// build the bordering matrix
|
|
for ( k = 0 ; k < patchCount ; k++ ) {
|
|
bordering[k*patchCount+k] = 1;
|
|
|
|
for ( l = k+1 ; l < patchCount ; l++ ) {
|
|
check = meshes[k];
|
|
scan = meshes[l];
|
|
c1 = scan->mesh.width * scan->mesh.height;
|
|
v1 = scan->mesh.verts;
|
|
|
|
for ( i = 0 ; i < c1 ; i++, v1++ ) {
|
|
c2 = check->mesh.width * check->mesh.height;
|
|
v2 = check->mesh.verts;
|
|
for ( j = 0 ; j < c2 ; j++, v2++ ) {
|
|
if ( fabs( v1->xyz[0] - v2->xyz[0] ) < 1.0
|
|
&& fabs( v1->xyz[1] - v2->xyz[1] ) < 1.0
|
|
&& fabs( v1->xyz[2] - v2->xyz[2] ) < 1.0 ) {
|
|
break;
|
|
}
|
|
}
|
|
if ( j != c2 ) {
|
|
break;
|
|
}
|
|
}
|
|
if ( i != c1 ) {
|
|
// we have a connection
|
|
bordering[k*patchCount+l] =
|
|
bordering[l*patchCount+k] = 1;
|
|
} else {
|
|
// no connection
|
|
bordering[k*patchCount+l] =
|
|
bordering[l*patchCount+k] = 0;
|
|
}
|
|
|
|
}
|
|
}
|
|
|
|
// build groups
|
|
memset( grouped, 0, sizeof(grouped) );
|
|
groupCount = 0;
|
|
for ( i = 0 ; i < patchCount ; i++ ) {
|
|
if ( !grouped[i] ) {
|
|
groupCount++;
|
|
}
|
|
|
|
// recursively find all patches that belong in the same group
|
|
memset( group, 0, patchCount );
|
|
GrowGroup_r( i, patchCount, bordering, group );
|
|
|
|
// bound them
|
|
ClearBounds( bounds[0], bounds[1] );
|
|
for ( j = 0 ; j < patchCount ; j++ ) {
|
|
if ( group[j] ) {
|
|
grouped[j] = qtrue;
|
|
scan = meshes[j];
|
|
c1 = scan->mesh.width * scan->mesh.height;
|
|
v1 = scan->mesh.verts;
|
|
for ( k = 0 ; k < c1 ; k++, v1++ ) {
|
|
AddPointToBounds( v1->xyz, bounds[0], bounds[1] );
|
|
}
|
|
}
|
|
}
|
|
|
|
// create drawsurf
|
|
scan = meshes[i];
|
|
scan->grouped = qtrue;
|
|
ds = DrawSurfaceForMesh( &scan->mesh );
|
|
ds->shaderInfo = scan->shaderInfo;
|
|
VectorCopy( bounds[0], ds->lightmapVecs[0] );
|
|
VectorCopy( bounds[1], ds->lightmapVecs[1] );
|
|
}
|
|
|
|
qprintf( "%5i patches\n", patchCount );
|
|
qprintf( "%5i patch LOD groups\n", groupCount );
|
|
}
|
|
|