From 7b09710392d35fb55b52031d447a542d99fc6b4b Mon Sep 17 00:00:00 2001 From: Tavian Barnes Date: Tue, 19 Aug 2014 17:10:03 -0400 Subject: Modularize the libdimension codebase. --- libdimension/model/texture.c | 68 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 68 insertions(+) create mode 100644 libdimension/model/texture.c (limited to 'libdimension/model/texture.c') diff --git a/libdimension/model/texture.c b/libdimension/model/texture.c new file mode 100644 index 0000000..b7eb7ef --- /dev/null +++ b/libdimension/model/texture.c @@ -0,0 +1,68 @@ +/************************************************************************* + * Copyright (C) 2009-2014 Tavian Barnes * + * * + * This file is part of The Dimension Library. * + * * + * The Dimension Library is free software; you can redistribute it and/ * + * or modify it under the terms of the GNU Lesser General Public License * + * as published by the Free Software Foundation; either version 3 of the * + * License, or (at your option) any later version. * + * * + * The Dimension Library 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 * + * Lesser General Public License for more details. * + * * + * You should have received a copy of the GNU Lesser General Public * + * License along with this program. If not, see * + * . * + *************************************************************************/ + +/** + * @file + * Textures. + */ + +#include "dimension/model.h" + +dmnsn_texture * +dmnsn_new_texture(dmnsn_pool *pool) +{ + dmnsn_texture *texture = DMNSN_PALLOC(pool, dmnsn_texture); + texture->pigment = NULL; + texture->finish = dmnsn_new_finish(); + texture->trans = dmnsn_identity_matrix(); + texture->initialized = false; + return texture; +} + +void +dmnsn_texture_initialize(dmnsn_texture *texture) +{ + dmnsn_assert(!texture->initialized, "Texture double-initialized."); + texture->initialized = true; + + texture->trans_inv = dmnsn_matrix_inverse(texture->trans); + + if (!texture->pigment->initialized) { + texture->pigment->trans = dmnsn_matrix_mul(texture->trans, + texture->pigment->trans); + dmnsn_pigment_initialize(texture->pigment); + } +} + +void +dmnsn_texture_cascade(dmnsn_texture *default_texture, dmnsn_texture **texturep) +{ + if (!*texturep) { + *texturep = default_texture; + } + + dmnsn_texture *texture = *texturep; + + if (!texture->pigment) { + texture->pigment = default_texture->pigment; + } + + dmnsn_finish_cascade(&default_texture->finish, &texture->finish); +} -- cgit v1.2.3