3dgfx code, untested

[metatoy] / src / 3dgfx / mesh.h

diff --git a/src/3dgfx/mesh.h b/src/3dgfx/mesh.h
new file mode 100644 (file)
index 0000000..3891588
--- /dev/null
+++ b/src/3dgfx/mesh.h
@@ -0,0 +1,60 @@
+#ifndef MESH_H_
+#define MESH_H_
+
+#include "3dgfx.h"
+/*#include "image.h"*/
+#include "inttypes.h"
+
+struct g3d_material {
+       float r, g, b, a;
+       float sr, sg, sb, shin;
+
+       /*struct image *texmap, *envmap;*/
+       char *name;
+};
+
+struct g3d_mesh {
+       int prim;
+       struct g3d_vertex *varr;
+       uint16_t *iarr;
+       int vcount, icount;
+       char *name;
+
+       struct g3d_material *mtl;
+};
+
+void init_g3dmtl(struct g3d_material *mtl);
+
+int init_mesh(struct g3d_mesh *mesh, int prim, int num_verts, int num_idx);
+
+void free_mesh(struct g3d_mesh *mesh);
+void destroy_mesh(struct g3d_mesh *mesh);
+
+int copy_mesh(struct g3d_mesh *dest, struct g3d_mesh *src);
+
+/* takes pointer to a dynamic array (dynarr_*) and populates it */
+#define load_meshes(mesharr, fname) load_meshes_impl(&(mesharr), fname)
+int load_meshes_impl(struct g3d_mesh **mesh, const char *fname);
+/* TODO: idx -1 -> merge all meshes into one? */
+int load_mesh(struct g3d_mesh *mesh, const char *fname, int idx);
+int load_named_mesh(struct g3d_mesh *mesh, const char *fname, const char *mname);
+int save_mesh(struct g3d_mesh *mesh, const char *fname);
+struct g3d_mesh *find_mesh(struct g3d_mesh *meshes, const char *mname);
+
+void zsort_mesh(struct g3d_mesh *mesh);
+void draw_mesh(struct g3d_mesh *mesh);
+
+void apply_mesh_xform(struct g3d_mesh *mesh, const float *xform);
+int append_mesh(struct g3d_mesh *ma, struct g3d_mesh *mb);
+int indexify_mesh(struct g3d_mesh *mesh);
+
+void normalize_mesh_normals(struct g3d_mesh *mesh);
+
+void calc_mesh_centroid(struct g3d_mesh *mesh, float *cent);
+
+int gen_sphere_mesh(struct g3d_mesh *mesh, float rad, int usub, int vsub);
+int gen_plane_mesh(struct g3d_mesh *mesh, float width, float height, int usub, int vsub);
+int gen_cube_mesh(struct g3d_mesh *mesh, float sz, int sub);
+int gen_torus_mesh(struct g3d_mesh *mesh, float rad, float ringrad, int usub, int vsub);
+
+#endif /* MESH_H_ */