add DeviceLost and DeviceRestored functions to R_Modules system

[xonotic/darkplaces.git] / bih.c

diff --git a/bih.c b/bih.c
index 58cc0715e049df6c54ff4d2a7f60b8db0aebe633..d5044bff43bfa765df10e6101c77c2606d176af4 100644 (file)
--- a/bih.c
+++ b/bih.c
@@ -142,7 +142,7 @@ int BIH_Build(bih_t *bih, int numleafs, bih_leaf_t *leafs, int maxnodes, bih_nod
        return bih->error;
 }
 
-static void BIH_GetTriangleListForBox_Node(const bih_t *bih, int nodenum, int maxtriangles, int *trianglelist, int *numtrianglespointer, const float *mins, const float *maxs)
+static void BIH_GetTriangleListForBox_Node(const bih_t *bih, int nodenum, int maxtriangles, int *trianglelist_idx, int *trianglelist_surf, int *numtrianglespointer, const float *mins, const float *maxs)
 {
        int axis;
        bih_node_t *node;
@@ -154,7 +154,7 @@ static void BIH_GetTriangleListForBox_Node(const bih_t *bih, int nodenum, int ma
                if (mins[axis] < node->backmax)
                {
                        if (maxs[axis] > node->frontmin)
-                               BIH_GetTriangleListForBox_Node(bih, node->front, maxtriangles, trianglelist, numtrianglespointer, mins, maxs);
+                               BIH_GetTriangleListForBox_Node(bih, node->front, maxtriangles, trianglelist_idx, trianglelist_surf, numtrianglespointer, mins, maxs);
                        nodenum = node->back;
                        continue;
                }
@@ -175,17 +175,23 @@ static void BIH_GetTriangleListForBox_Node(const bih_t *bih, int nodenum, int ma
        {
        case BIH_RENDERTRIANGLE:
                if (*numtrianglespointer >= maxtriangles)
+               {
+                       ++*numtrianglespointer; // so the caller can detect overflow
                        return;
-               trianglelist[(*numtrianglespointer)++] = leaf->itemindex;
+               }
+               if(trianglelist_surf)
+                       trianglelist_surf[*numtrianglespointer] = leaf->surfaceindex;
+               trianglelist_idx[*numtrianglespointer] = leaf->itemindex;
+               ++*numtrianglespointer;
                break;
        default:
                break;
        }
 }
 
-int BIH_GetTriangleListForBox(const bih_t *bih, int maxtriangles, int *trianglelist, const float *mins, const float *maxs)
+int BIH_GetTriangleListForBox(const bih_t *bih, int maxtriangles, int *trianglelist_idx, int *trianglelist_surf, const float *mins, const float *maxs)
 {
        int numtriangles = 0;
-       BIH_GetTriangleListForBox_Node(bih, 0, maxtriangles, trianglelist, &numtriangles, mins, maxs);
+       BIH_GetTriangleListForBox_Node(bih, 0, maxtriangles, trianglelist_idx, trianglelist_surf, &numtriangles, mins, maxs);
        return numtriangles;
 }