Add asset, resource system, mesh formats, color, SDL3 display and example game

Asset directory with CMake add_asset (extension dispatched), plain file asset access, resource/resource manager with async load thread and text loader, URI utilities, mesh format helpers, generated color header, and example game hooks wired through the engine. Co-Authored-By: Claude Sonnet 5.5 <[email protected]>
2026-11-07 20:12:40 -06:00
1 parent 65c4a9c051
commit cad41e456b
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+# Unit cube, centered on the origin, with per face normals and UVs.
+o Cube
+
+v -0.5 -0.5 -0.5
+v  0.5 -0.5 -0.5
+v  0.5  0.5 -0.5
+v -0.5  0.5 -0.5
+v -0.5 -0.5  0.5
+v  0.5 -0.5  0.5
+v  0.5  0.5  0.5
+v -0.5  0.5  0.5
+
+vt 0.0 0.0
+vt 1.0 0.0
+vt 1.0 1.0
+vt 0.0 1.0
+
+vn  0.0  0.0 -1.0
+vn  0.0  0.0  1.0
+vn -1.0  0.0  0.0
+vn  1.0  0.0  0.0
+vn  0.0 -1.0  0.0
+vn  0.0  1.0  0.0
+
+# Back (-Z)
+f 2/1/1 1/2/1 4/3/1
+f 2/1/1 4/3/1 3/4/1
+# Front (+Z)
+f 5/1/2 6/2/2 7/3/2
+f 5/1/2 7/3/2 8/4/2
+# Left (-X)
+f 1/1/3 5/2/3 8/3/3
+f 1/1/3 8/3/3 4/4/3
+# Right (+X)
+f 6/1/4 2/2/4 3/3/4
+f 6/1/4 3/3/4 7/4/4
+# Bottom (-Y)
+f 1/1/5 2/2/5 6/3/5
+f 1/1/5 6/3/5 5/4/5
+# Top (+Y)
+f 8/1/6 7/2/6 3/3/6
+f 8/1/6 3/3/6 4/4/6