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-rw-r--r--libdimension/model/texture.c68
1 files changed, 68 insertions, 0 deletions
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 <tavianator@tavianator.com> *
+ * *
+ * 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 *
+ * <http://www.gnu.org/licenses/>. *
+ *************************************************************************/
+
+/**
+ * @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);
+}