From c649e3a0c8aa06eaad231e130feed2601eabb2ce Mon Sep 17 00:00:00 2001
From: Eric Wasylishen <ewasylishen@gmail.com>
Date: Sat, 27 May 2023 17:05:41 -0600
Subject: [PATCH] tests: add ExportWad test

---
 testmaps/q1_extract_textures.map | 49 ++++++++++++++++++++++++++++++++
 tests/test_bsputil.cc            | 25 ++++++++++++++++
 2 files changed, 74 insertions(+)
 create mode 100644 testmaps/q1_extract_textures.map

diff --git a/testmaps/q1_extract_textures.map b/testmaps/q1_extract_textures.map
new file mode 100644
index 00000000..b517c1bb
--- /dev/null
+++ b/testmaps/q1_extract_textures.map
@@ -0,0 +1,49 @@
+// Game: Quake
+// Format: Valve
+// entity 0
+{
+"mapversion" "220"
+"classname" "worldspawn"
+"wad" "deprecated/fence.wad;deprecated/free_wad.wad"
+// brush 0
+{
+( -64 -64 -16 ) ( -64 -63 -16 ) ( -64 -64 -15 ) bolt14 [ 0 -1 0 0 ] [ 0 0 -1 0 ] 0 1 1
+( -64 -64 -16 ) ( -64 -64 -15 ) ( -63 -64 -16 ) bolt14 [ 1 0 0 0 ] [ 0 0 -1 0 ] 0 1 1
+( -64 -64 -16 ) ( -63 -64 -16 ) ( -64 -63 -16 ) bolt14 [ -1 0 0 0 ] [ 0 -1 0 0 ] 0 1 1
+( 64 64 16 ) ( 64 65 16 ) ( 65 64 16 ) bolt14 [ 1 0 0 0 ] [ 0 -1 0 0 ] 0 1 1
+( 64 64 16 ) ( 65 64 16 ) ( 64 64 17 ) bolt14 [ -1 0 0 0 ] [ 0 0 -1 0 ] 0 1 1
+( 64 64 16 ) ( 64 64 17 ) ( 64 65 16 ) bolt14 [ 0 1 0 0 ] [ 0 0 -1 0 ] 0 1 1
+}
+// brush 1
+{
+( -64 -192 -16 ) ( -64 -191 -16 ) ( -64 -192 -15 ) *swater4 [ 0 -1 0 0 ] [ 0 0 -1 0 ] 0 1 1
+( -64 -192 -16 ) ( -64 -192 -15 ) ( -63 -192 -16 ) *swater4 [ 1 0 0 0 ] [ 0 0 -1 0 ] 0 1 1
+( -64 -192 -16 ) ( -63 -192 -16 ) ( -64 -191 -16 ) *swater4 [ -1 0 0 0 ] [ 0 -1 0 0 ] 0 1 1
+( 64 -64 16 ) ( 64 -63 16 ) ( 65 -64 16 ) *swater4 [ 1 0 0 0 ] [ 0 -1 0 0 ] 0 1 1
+( 64 -64 16 ) ( 65 -64 16 ) ( 64 -64 17 ) *swater4 [ -1 0 0 0 ] [ 0 0 -1 0 ] 0 1 1
+( 64 -64 16 ) ( 64 -64 17 ) ( 64 -63 16 ) *swater4 [ 0 1 0 0 ] [ 0 0 -1 0 ] 0 1 1
+}
+// brush 2
+{
+( -64 -64 144 ) ( -64 -63 144 ) ( -64 -64 145 ) sky3 [ 0 -1 0 0 ] [ 0 0 -1 32 ] 0 1 1
+( -64 -64 144 ) ( -64 -64 145 ) ( -63 -64 144 ) sky3 [ 1 0 0 0 ] [ 0 0 -1 32 ] 0 1 1
+( -64 -64 144 ) ( -63 -64 144 ) ( -64 -63 144 ) sky3 [ -1 0 0 0 ] [ 0 -1 0 0 ] 0 1 1
+( 64 64 176 ) ( 64 65 176 ) ( 65 64 176 ) sky3 [ 1 0 0 0 ] [ 0 -1 0 0 ] 0 1 1
+( 64 64 176 ) ( 65 64 176 ) ( 64 64 177 ) sky3 [ -1 0 0 0 ] [ 0 0 -1 32 ] 0 1 1
+( 64 64 176 ) ( 64 64 177 ) ( 64 65 176 ) sky3 [ 0 1 0 0 ] [ 0 0 -1 32 ] 0 1 1
+}
+// brush 3
+{
+( -144 -64 0 ) ( -144 -63 0 ) ( -144 -64 1 ) brownlight [ 0 -1 0 0 ] [ 0 0 -1 0 ] 0 1 1
+( -144 0 0 ) ( -144 0 1 ) ( -143 0 0 ) brownlight [ 1 0 0 0 ] [ 0 0 -1 0 ] 0 1 1
+( -144 -64 -208 ) ( -143 -64 -208 ) ( -144 -63 -208 ) brownlight [ -1 0 0 0 ] [ 0 -1 0 0 ] 0 1 1
+( -64 64 16 ) ( -64 65 16 ) ( -63 64 16 ) brownlight [ 1 0 0 0 ] [ 0 -1 0 0 ] 0 1 1
+( -64 64 16 ) ( -63 64 16 ) ( -64 64 17 ) brownlight [ -1 0 0 0 ] [ 0 0 -1 0 ] 0 1 1
+( -64 64 16 ) ( -64 64 17 ) ( -64 65 16 ) brownlight [ 0 1 0 0 ] [ 0 0 -1 0 ] 0 1 1
+}
+}
+// entity 1
+{
+"classname" "info_player_start"
+"origin" "-32 -16 40"
+}
diff --git a/tests/test_bsputil.cc b/tests/test_bsputil.cc
index 26a7f5ce..40f25b04 100644
--- a/tests/test_bsputil.cc
+++ b/tests/test_bsputil.cc
@@ -4,6 +4,7 @@
 #include <common/decompile.hh>
 #include <common/bsputils.hh>
 #include <qbsp/map.hh>
+#include <bsputil/bsputil.hh>
 
 #include "testmaps.hh"
 #include "test_qbsp.hh"
@@ -46,4 +47,28 @@ TEST_SUITE("bsputil")
             CHECK(face2_texinfo->vecs == face_texinfo->vecs);
         }
     }
+
+    TEST_CASE("extract-textures")
+    {
+        const auto [bsp, bspx, prt] = LoadTestmapQ1("q1_extract_textures.map");
+
+        // extract .bsp textures to test.wad
+        std::ofstream wadfile("test.wad", std::ios::binary);
+        ExportWad(wadfile, &bsp);
+
+        // reload .wad
+        fs::clear();
+        img::clear();
+
+        auto ar = fs::addArchive("test.wad");
+        REQUIRE(ar);
+
+        for (std::string texname : {"*swater4", "bolt14", "sky3", "brownlight"}) {
+            INFO(texname);
+            fs::data data = ar->load(texname);
+            REQUIRE(data);
+            auto loaded_tex = img::load_mip(texname, data, false, bspver_q1.game);
+            CHECK(loaded_tex);
+        }
+    }
 }