From 50a8d3dc884816fbb1e3a3df3c401358e62b5eea Mon Sep 17 00:00:00 2001
From: sanine-a <sanine.not@pm.me>
Date: Tue, 27 Oct 2020 15:01:15 -0500
Subject: revert mesh.* with minor refactor and honey_setup_mesh()

---
 src/mesh/mesh.h | 40 ++++++++++++++++++++++------------------
 1 file changed, 22 insertions(+), 18 deletions(-)

(limited to 'src/mesh/mesh.h')

diff --git a/src/mesh/mesh.h b/src/mesh/mesh.h
index 1f3bc3e..81bcc94 100644
--- a/src/mesh/mesh.h
+++ b/src/mesh/mesh.h
@@ -6,45 +6,49 @@
  * @brief Defines the honey_mesh struct and related basic mesh functions. 
 */
 
-
-
 #include "../common.h"
-#include "../shader/shader.h"
 
 typedef struct {
     unsigned int n_vertices, n_indices;
-    unsigned int vertex_array, vertex_buffer, element_buffer;
+  unsigned int vertex_array, vertex_buffer, element_buffer;
 } honey_mesh;
 
-/** @brief Push the mesh bindings to the lua stack. */
-void honey_setup_mesh();
+/** @brief Lua bindings for mesh drawing and deletion functions. */
+void honey_setup_mesh(lua_State* L);
 
 /** @brief Create a new mesh from vertex and index arrays.
  *
- * This function copies the data, so you can safely permit vertices and
- * indices to be garbage collected after calling it.
- *
- * @param[in] vertices Userdata array containing the vertices.
- * @param[in] indices Userdata array defining the mesh faces.
- * @param[in] attributes Lua table containing the attribute sizes.
- * @param[in] n_vertices Integer number of vertices.
- * @param[in] n_indices Integer number of indices.
+ * Note that this function creates copies of the vertex and index arrays, 
+ * so you can deallocate those immediately.
  *
- * @returns Userdata containing the mesh's OpenGL handles.
+ * @param[out] mesh Pointer to the destination honey_mesh struct
+ * @param[in] vertices Array of floats representing the vertices
+ * @param[in] n_attributes The number of attributes per vertex
+ * @param[in] attribute_sizes An array containing for each attribute how many floats it contains
+ * @param[in] n_vertices The number of vertices (NOT the number of floats in the vertex array)
+ * @param[in] indices Array of vertex indices
+ * @param[in] n_indices The number of elements in the index array
  */
-int honey_mesh_new(lua_State* L);
+honey_result honey_mesh_new(honey_mesh* mesh,
+                            float* vertices,
+                            unsigned int n_vertices,
+                            unsigned int n_attributes,
+                            unsigned int* attribute_sizes,
+                            unsigned int* indices,
+                            unsigned int n_indices);
 
 /** @brief Draw a mesh on screen.
  *
  * @param[in] mesh The mesh to draw
  * @param[in] shader The shader to use when drawing the mesh
  */
-int honey_mesh_draw(lua_State* L);
+void honey_mesh_draw(honey_mesh mesh,
+                     int shader);
 
 /** @brief Delete a mesh.
  *
  * @param[in] mesh The mesh to delete
  */
-int honey_mesh_delete(lua_State* L);
+void honey_mesh_delete(honey_mesh mesh);
   
 #endif
-- 
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