X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?p=dosdemo;a=blobdiff_plain;f=src%2Fmesh.c;h=0e8d869312be48dd74ef09c03d8bdd24b557fb63;hp=88c6edc6221fa97a08882d82e1e55d83bc13b398;hb=3eeca1cc95bdeaf3f6be3fd6064a065e39c08eda;hpb=c912e59b898fe1ac461a1468e4a2e1937de286d7

diff --git a/src/mesh.c b/src/mesh.c
index 88c6edc..0e8d869 100644
--- a/src/mesh.c
+++ b/src/mesh.c
@@ -17,6 +17,28 @@ void destroy_mesh(struct g3d_mesh *mesh)
 	free(mesh->iarr);
 }
 
+int copy_mesh(struct g3d_mesh *dest, struct g3d_mesh *src)
+{
+	dest->prim = src->prim;
+	if(src->varr) {
+		if(!(dest->varr = malloc(src->vcount * sizeof *src->varr))) {
+			return -1;
+		}
+		memcpy(dest->varr, src->varr, src->vcount * sizeof *src->varr);
+	}
+	dest->vcount = src->vcount;
+	if(src->iarr) {
+		if(!(dest->iarr = malloc(src->icount * sizeof *src->iarr))) {
+			free(dest->varr);
+			dest->varr = 0;
+			return -1;
+		}
+		memcpy(dest->iarr, src->iarr, src->icount * sizeof *src->iarr);
+	}
+	dest->icount = src->icount;
+	return 0;
+}
+
 static struct {
 	int prim;
 	struct g3d_vertex *varr;