add honey libraries back and reorganize directories

2 files changed, 239 insertions, 0 deletions

diff --git a/src/primitives/primitives.c b/src/primitives/primitives.c
new file mode 100644
index 0000000..efc4a0f
--- /dev/null
+++ b/src/primitives/primitives.c
@@ -0,0 +1,180 @@
+#include "primitives.h"
+
+honey_result honey_mesh_new_textured_plane(honey_mesh* mesh,
+                                           float width,
+                                           float height) {
+  float x0 = 0;
+  float y0 = 0;
+  float x1 = width;
+  float y1 = height;
+
+  float vertices[] = {
+    /* position        normal        uv */
+    x0, y0, 0,         0, 0, 1,      0, 0,
+    x1, y0, 0,         0, 0, 1,      1, 0,
+    x0, y1, 0,         0, 0, 1,      0, 1,
+    x1, y1, 0,         0, 0, 1,      1, 1 };
+
+  unsigned int indices[] = {
+    0, 1, 2,
+    1, 2, 3 };
+
+  unsigned int attrib_sizes[] = { 3, 3, 2 };
+
+  honey_result result = honey_mesh_new(mesh,
+                                       vertices, 4,
+                                       3, attrib_sizes,
+                                       indices, 6);
+  return result;
+}
+
+/* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */
+
+honey_result honey_mesh_new_cube(honey_mesh* mesh,
+                                 float width,
+                                 float height,
+                                 float depth) {
+  float x0 = 0;
+  float y0 = 0;
+  float z0 = 0;
+
+  float x1 = width;
+  float y1 = height;
+  float z1 = depth;
+
+  float vertices[] = {
+    /* position        normal     tex coord */
+    /* back face */
+    x0, y0, z0,       0, 0, -1,
+    x1, y0, z0,       0, 0, -1,
+    x0, y1, z0,       0, 0, -1,
+    x1, y1, z0,       0, 0, -1,
+
+    /* front face */
+    x0, y0, z1,       0, 0, 1, 
+    x1, y0, z1,       0, 0, 1, 
+    x0, y1, z1,       0, 0, 1, 
+    x1, y1, z1,       0, 0, 1, 
+
+    /* left face */
+    x0, y0, z0,       -1, 0, 0,
+    x0, y1, z0,       -1, 0, 0,
+    x0, y0, z1,       -1, 0, 0,
+    x0, y1, z1,       -1, 0, 0,
+
+    /* right face */
+    x1, y0, z0,        1, 0, 0,
+    x1, y1, z0,        1, 0, 0,
+    x1, y0, z1,        1, 0, 0,
+    x1, y1, z1,        1, 0, 0,
+
+    /* bottom face */
+    x0, y0, z0,       0, -1, 0,
+    x1, y0, z0,       0, -1, 0,
+    x0, y0, z1,       0, -1, 0,
+    x1, y0, z1,       0, -1, 0,
+    
+    /* top face */
+    x0, y1, z0,       0,  1, 0,
+    x1, y1, z0,       0,  1, 0,
+    x0, y1, z1,       0,  1, 0,
+    x1, y1, z1,       0,  1, 0 };
+
+  unsigned int indices[] = {
+    0, 1, 2,
+    1, 2, 3,
+    4, 5, 6,
+    5, 6, 7,
+    8, 9, 10,
+    9, 10, 11,
+    12, 13, 14,
+    13, 14, 15,
+    16, 17, 18,
+    17, 18, 19,
+    20, 21, 22,
+    21, 22, 23 };
+
+  unsigned int attrib_sizes[] = { 3, 3 };
+
+  honey_result result = honey_mesh_new(mesh,
+                                       vertices, 24,
+                                       2, attrib_sizes,
+                                       indices, 36);
+
+  return result;
+}
+
+/* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */
+
+honey_result honey_mesh_new_textured_cube(honey_mesh* mesh,
+                                          float width,
+                                          float height,
+                                          float depth) {
+  float x0 = 0;
+  float y0 = 0;
+  float z0 = 0;
+
+  float x1 = width;
+  float y1 = height;
+  float z1 = depth;
+
+  float vertices[] = {
+    /* position        normal     tex coord */
+    /* back face */
+    x0, y0, z0,       0, 0, -1,     0, 0,
+    x1, y0, z0,       0, 0, -1,     1, 0,
+    x0, y1, z0,       0, 0, -1,     0, 1,
+    x1, y1, z0,       0, 0, -1,     1, 1,
+
+    /* front face */
+    x0, y0, z1,       0, 0, 1,      0, 0,
+    x1, y0, z1,       0, 0, 1,      1, 0,
+    x0, y1, z1,       0, 0, 1,      0, 1,
+    x1, y1, z1,       0, 0, 1,      1, 1,
+
+    /* left face */
+    x0, y0, z0,       -1, 0, 0,     0, 0,
+    x0, y1, z0,       -1, 0, 0,     1, 0,
+    x0, y0, z1,       -1, 0, 0,     0, 1,
+    x0, y1, z1,       -1, 0, 0,     1, 1,
+
+    /* right face */
+    x1, y0, z0,        1, 0, 0,     0, 0,
+    x1, y1, z0,        1, 0, 0,     1, 0,
+    x1, y0, z1,        1, 0, 0,     0, 1,
+    x1, y1, z1,        1, 0, 0,     1, 1,
+
+    /* bottom face */
+    x0, y0, z0,       0, -1, 0,     0, 0,
+    x1, y0, z0,       0, -1, 0,     1, 0,
+    x0, y0, z1,       0, -1, 0,     0, 1,
+    x1, y0, z1,       0, -1, 0,     1, 1,
+    
+    /* top face */
+    x0, y1, z0,       0,  1, 0,     0, 0,
+    x1, y1, z0,       0,  1, 0,     1, 0,
+    x0, y1, z1,       0,  1, 0,     0, 1,
+    x1, y1, z1,       0,  1, 0,     1, 1 };
+
+  unsigned int indices[] = {
+    0, 1, 2,
+    1, 2, 3,
+    4, 5, 6,
+    5, 6, 7,
+    8, 9, 10,
+    9, 10, 11,
+    12, 13, 14,
+    13, 14, 15,
+    16, 17, 18,
+    17, 18, 19,
+    20, 21, 22,
+    21, 22, 23 };
+
+  unsigned int attrib_sizes[] = { 3, 3, 2 };
+
+  honey_result result;
+  result = honey_mesh_new(mesh, vertices, 24,
+                          3, attrib_sizes,
+                          indices, 36);
+  return result;
+}
diff --git a/src/primitives/primitives.h b/src/primitives/primitives.h
new file mode 100644
index 0000000..fbf7753
--- /dev/null
+++ b/src/primitives/primitives.h
@@ -0,0 +1,59 @@
+#ifndef HONEY_PRIMITIVES_H
+#define HONEY_PRIMITIVES H
+
+/** @file primitives.h
+ *
+ * @brief Define various common primitive objects.
+ */
+
+#include "../common.h"
+#include "../mesh/mesh.h"
+
+/** @brief Create a textured plane.
+ *
+ * This function creates a plane with vertex positions in attribute 0,
+ * vertex normals in attribute 1, and UV coordinates in attribute 2.
+ *
+ * @param[out] mesh Pointer to the destination mesh
+ * @param[in] width Desired width of the plane (x-axis)
+ * @param[in] height Desired height of the plane (y-axis)
+ *
+ * @return 0 (HONEY_OK) on success, and an error code otherwise. 
+ */
+honey_result honey_mesh_new_textured_plane(honey_mesh* mesh,
+                                           float width,
+                                           float height);
+
+/** @brief Create a cube.
+ *
+ * This function creates a cube with vertex positions in attribute 0.
+ *
+ * @param[out] mesh Pointer to the destination mesh
+ * @param[in] width Desired width of the cube (x-axis)
+ * @param[in] height Desired height of the cube (y-axis)
+ * @param[in] depth Desired depth of the cube (z-axis)
+ * 
+ * @return Success or failure code
+ */
+honey_result honey_mesh_new_cube(honey_mesh* mesh,
+                                 float width,
+                                 float height,
+                                 float depth);
+/** @brief Create a textured cube.
+ *
+ * This function creates a cube with vertex positions in attribute 0,
+ * and texture coordinates in attribute 1.
+ *
+ * @param[out] mesh Pointer to the destination mesh
+ * @param[in] width Desired width of the cube (x-axis)
+ * @param[in] height Desired height of the cube (y-axis)
+ * @param[in] depth Desired depth of the cube (z-axis)
+ * 
+ * @return Success or failure code
+ */
+honey_result honey_mesh_new_textured_cube(honey_mesh* mesh,
+                                          float width,
+                                          float height,
+                                          float depth);
+
+#endif