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Allow weapon marks on triangle meshes (default: disabled), patch by Oliver McFadden. http://bugzilla.icculus.org/show_bug.cgi?id=3774

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This commit is contained in:
Thilo Schulz 2009-10-16 20:26:18 +00:00
parent 37598962f5
commit b3f36fc830
3 changed files with 34 additions and 17 deletions
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4
code/renderer/tr_init.c
View file

@ -155,6 +155,8 @@ cvar_t *r_debugSort;
cvar_t *r_printShaders; cvar_t *r_printShaders;
cvar_t *r_saveFontData; cvar_t *r_saveFontData;
cvar_t *r_marksOnTriangleMeshes;
cvar_t *r_maxpolys; cvar_t *r_maxpolys;
int max_polys; int max_polys;
cvar_t *r_maxpolyverts; cvar_t *r_maxpolyverts;
@ -1009,6 +1011,8 @@ void R_Register( void )
r_noportals = ri.Cvar_Get ("r_noportals", "0", CVAR_CHEAT); r_noportals = ri.Cvar_Get ("r_noportals", "0", CVAR_CHEAT);
r_shadows = ri.Cvar_Get( "cg_shadows", "1", 0 ); r_shadows = ri.Cvar_Get( "cg_shadows", "1", 0 );
r_marksOnTriangleMeshes = ri.Cvar_Get("r_marksOnTriangleMeshes", "0", CVAR_ARCHIVE);
r_maxpolys = ri.Cvar_Get( "r_maxpolys", va("%d", MAX_POLYS), 0); r_maxpolys = ri.Cvar_Get( "r_maxpolys", va("%d", MAX_POLYS), 0);
r_maxpolyverts = ri.Cvar_Get( "r_maxpolyverts", va("%d", MAX_POLYVERTS), 0); r_maxpolyverts = ri.Cvar_Get( "r_maxpolyverts", va("%d", MAX_POLYVERTS), 0);

2
code/renderer/tr_local.h
View file

@ -1114,6 +1114,8 @@ extern cvar_t *r_debugSort;
extern cvar_t *r_printShaders; extern cvar_t *r_printShaders;
extern cvar_t *r_saveFontData; extern cvar_t *r_saveFontData;
extern cvar_t *r_marksOnTriangleMeshes;
extern cvar_t *r_GLlibCoolDownMsec; extern cvar_t *r_GLlibCoolDownMsec;
//==================================================================== //====================================================================

45
code/renderer/tr_marks.c
View file

@ -173,7 +173,9 @@ void R_BoxSurfaces_r(mnode_t *node, vec3_t mins, vec3_t maxs, surfaceType_t **li
surf->viewCount = tr.viewCount; surf->viewCount = tr.viewCount;
} }
} }
else if (*(surfaceType_t *) (surf->data) != SF_GRID) surf->viewCount = tr.viewCount; else if (*(surfaceType_t *) (surf->data) != SF_GRID &&
*(surfaceType_t *) (surf->data) != SF_TRIANGLES)
surf->viewCount = tr.viewCount;
// check the viewCount because the surface may have // check the viewCount because the surface may have
// already been added if it spans multiple leafs // already been added if it spans multiple leafs
if (surf->viewCount != tr.viewCount) { if (surf->viewCount != tr.viewCount) {
@ -263,7 +265,6 @@ int R_MarkFragments( int numPoints, const vec3_t *points, const vec3_t projectio
vec3_t clipPoints[2][MAX_VERTS_ON_POLY]; vec3_t clipPoints[2][MAX_VERTS_ON_POLY];
int numClipPoints; int numClipPoints;
float *v; float *v;
srfSurfaceFace_t *surf;
srfGridMesh_t *cv; srfGridMesh_t *cv;
drawVert_t *dv; drawVert_t *dv;
vec3_t normal; vec3_t normal;
@ -399,25 +400,20 @@ int R_MarkFragments( int numPoints, const vec3_t *points, const vec3_t projectio
} }
else if (*surfaces[i] == SF_FACE) { else if (*surfaces[i] == SF_FACE) {
surf = ( srfSurfaceFace_t * ) surfaces[i]; srfSurfaceFace_t *surf = ( srfSurfaceFace_t * ) surfaces[i];
// check the normal of this face // check the normal of this face
if (DotProduct(surf->plane.normal, projectionDir) > -0.5) { if (DotProduct(surf->plane.normal, projectionDir) > -0.5) {
continue; continue;
} }
/*
VectorSubtract(clipPoints[0][0], clipPoints[0][1], v1);
VectorSubtract(clipPoints[0][2], clipPoints[0][1], v2);
CrossProduct(v1, v2, normal);
VectorNormalize(normal);
if (DotProduct(normal, projectionDir) > -0.5) continue;
*/
indexes = (int *)( (byte *)surf + surf->ofsIndices ); indexes = (int *)( (byte *)surf + surf->ofsIndices );
for ( k = 0 ; k < surf->numIndices ; k += 3 ) { for ( k = 0 ; k < surf->numIndices ; k += 3 ) {
for ( j = 0 ; j < 3 ; j++ ) { for ( j = 0 ; j < 3 ; j++ ) {
v = surf->points[0] + VERTEXSIZE * indexes[k+j];; v = surf->points[0] + VERTEXSIZE * indexes[k+j];;
VectorMA( v, MARKER_OFFSET, surf->plane.normal, clipPoints[0][j] ); VectorMA( v, MARKER_OFFSET, surf->plane.normal, clipPoints[0][j] );
} }
// add the fragments of this face // add the fragments of this face
R_AddMarkFragments( 3 , clipPoints, R_AddMarkFragments( 3 , clipPoints,
numPlanes, normals, dists, numPlanes, normals, dists,
@ -428,14 +424,29 @@ int R_MarkFragments( int numPoints, const vec3_t *points, const vec3_t projectio
return returnedFragments; // not enough space for more fragments return returnedFragments; // not enough space for more fragments
} }
} }
continue;
} }
else { else if(*surfaces[i] == SF_TRIANGLES && r_marksOnTriangleMeshes->integer) {
// ignore all other world surfaces
// might be cool to also project polygons on a triangle soup srfTriangles_t *surf = (srfTriangles_t *) surfaces[i];
// however this will probably create huge amounts of extra polys
// even more than the projection onto curves for (k = 0; k < surf->numIndexes; k += 3)
continue; {
for(j = 0; j < 3; j++)
{
v = surf->verts[surf->indexes[k + j]].xyz;
VectorMA(v, MARKER_OFFSET, surf->verts[surf->indexes[k + j]].normal, clipPoints[0][j]);
}
// add the fragments of this face
R_AddMarkFragments(3, clipPoints,
numPlanes, normals, dists,
maxPoints, pointBuffer,
maxFragments, fragmentBuffer, &returnedPoints, &returnedFragments, mins, maxs);
if(returnedFragments == maxFragments)
{
return returnedFragments; // not enough space for more fragments
}
}
} }
} }
return returnedFragments; return returnedFragments;