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-rw-r--r--src/import/CMakeLists.txt8
-rw-r--r--src/import/import.c286
2 files changed, 9 insertions, 285 deletions
diff --git a/src/import/CMakeLists.txt b/src/import/CMakeLists.txt
index 358e96c..31390f6 100644
--- a/src/import/CMakeLists.txt
+++ b/src/import/CMakeLists.txt
@@ -6,8 +6,8 @@ target_sources(honey PUBLIC
target_sources(test PUBLIC
- ${CMAKE_CURRENT_LIST_DIR}/import.test.c
- ${CMAKE_CURRENT_LIST_DIR}/import_mesh.test.c
- ${CMAKE_CURRENT_LIST_DIR}/import_node.test.c
- ${CMAKE_CURRENT_LIST_DIR}/import_scene.test.c
+ # ${CMAKE_CURRENT_LIST_DIR}/import.test.c
+ # ${CMAKE_CURRENT_LIST_DIR}/import_mesh.test.c
+ # ${CMAKE_CURRENT_LIST_DIR}/import_node.test.c
+ # ${CMAKE_CURRENT_LIST_DIR}/import_scene.test.c
)
diff --git a/src/import/import.c b/src/import/import.c
index becb1fe..f860396 100644
--- a/src/import/import.c
+++ b/src/import/import.c
@@ -1,297 +1,21 @@
#include <lua.h>
#include <honeysuckle.h>
-#include <assimp/scene.h>
-#include <assimp/cimport.h>
-#include <assimp/postprocess.h>
#include "import.h"
+#define TINYOBJ_LOADER_C_IMPLEMENTATION
+#include <tinyobj/tinyobj_loader_c.h>
-#ifndef LILY_TEST_H
-
-static void push_scene(lua_State *L, struct aiScene *scene);
-
-int import_file(lua_State *L)
+int dummy(lua_State *L)
{
- char *filename;
- hs_parse_args(L, hs_str(filename));
-
- const struct aiScene *scene = aiImportFile(
- filename,
- aiProcess_Triangulate | aiProcess_FlipUVs
- );
- if (scene == NULL)
- hs_throw_error(L, "failed to load file '%s'", filename);
-
- push_scene(L, (struct aiScene*) scene);
- return 1;
+ return 0;
}
void setup_import(lua_State *L, int honey_tbl)
{
hs_create_table(L,
- hs_str_cfunc("importFile", import_file),
+ hs_str_cfunc("dummy", dummy),
);
lua_setfield(L, honey_tbl, "import");
}
-
-#endif
-
-
-static void push_vector(lua_State *L, struct aiVector3D vec)
-{
- hs_create_table(L,
- hs_str_num("x", vec.x),
- hs_str_num("y", vec.y),
- hs_str_num("z", vec.z),
- );
-}
-
-
-static void push_face(lua_State *L, struct aiFace face)
-{
- lua_createtable(L, face.mNumIndices, 0);
- int tbl = lua_gettop(L);
-
- for (int i=0; i<face.mNumIndices; i++) {
- /* add one to the index bc lua is 1-indexed */
- /* the above comment is WRONG WRONG WRONG!!
- * lua is indeed 1-indexed, but this data is being interpreted
- * by *opengl* not lua. we should not add 1!!
- */
- lua_pushinteger(L, face.mIndices[i]);
- lua_rawseti(L, tbl, i+1);
- }
-}
-
-
-static void push_aistring(lua_State *L, struct aiString str)
-{
- lua_pushstring(L, str.data);
-}
-
-
-#ifndef TEST_IMPORT_SCENE
-
-/* mesh components:
- * DONE:
- * mBitangents
- * mFaces
- * mNormals
- * mNumFaces
- * mNumVertices
- * mTangents
- * mVertices
- * mNumUVComponents
- * mTextureCoords
- *
- * TODO:
- * mAnimMeshes
- * mBones
- * mColors
- * mMaterialIndex
- * mMethod
- * mName
- * mNumAnimMeshes
- * mNumBones
- * mPrimitiveTypes
- * mTextureCoordsNames
- */
-static void push_mesh(lua_State *L, struct aiMesh *mesh)
-{
- /* --=== create mesh table ===-- */
- lua_createtable(L, 0, 1);
- int meshtbl = lua_gettop(L);
-
- int count = mesh->mNumVertices;
- int pop_count = 0;
-
- /* --=== create tables ===-- */
-
- /* positions */
- lua_createtable(L, count, 0);
- int vertices = lua_gettop(L);
- pop_count += 1;
-
- /* normals */
- int normals = 0;
- if (mesh->mNormals != NULL) {
- lua_createtable(L, count, 0);
- normals = lua_gettop(L);
- pop_count += 1;
- }
-
- /* tangents & bitangents */
- int tangents = 0;
- int bitangents = 0;
- if (mesh->mTangents != NULL) {
- lua_createtable(L, count, 0);
- tangents = lua_gettop(L);
- lua_createtable(L, count, 0);
- bitangents = lua_gettop(L);
- pop_count += 2;
- }
-
- /* uvs */
- int uvs = 0;
- int uv_components = 0;
- int uv_channels[AI_MAX_NUMBER_OF_TEXTURECOORDS];
- for (int i=0; i<AI_MAX_NUMBER_OF_TEXTURECOORDS; i++) {
- if (mesh->mTextureCoords[i] != NULL) {
- if (!uvs) {
- /* ensure uv table is created */
- lua_createtable(L, 1, 0);
- uvs = lua_gettop(L);
- lua_createtable(L, 1, 0);
- uv_components = lua_gettop(L);
- pop_count += 2;
- }
- lua_createtable(L, count, 0);
- uv_channels[i] = lua_gettop(L);
- pop_count += 1;
-
- /* store table in uvs */
- lua_pushvalue(L, uv_channels[i]);
- lua_rawseti(L, uvs, i+1);
- /* store dimensionality */
- lua_pushinteger(L, mesh->mNumUVComponents[i]);
- lua_rawseti(L, uv_components, i+1);
- }
- else
- uv_channels[i] = 0;
- }
-
- /* --=== populate vertices ===-- */
-
- for (int i=0; i<count; i++) {
- /* positions */
- push_vector(L, mesh->mVertices[i]);
- lua_rawseti(L, vertices, i+1);
-
- /* normals */
- if (normals) {
- push_vector(L, mesh->mNormals[i]);
- lua_rawseti(L, normals, i+1);
- }
-
- /* tangents */
- if (tangents) {
- push_vector(L, mesh->mTangents[i]);
- lua_rawseti(L, tangents, i+1);
- push_vector(L, mesh->mBitangents[i]);
- lua_rawseti(L, bitangents, i+1);
- }
-
- /* uvs */
- if (uvs) {
- for (int j=0; j<AI_MAX_NUMBER_OF_TEXTURECOORDS; j++) {
- if (uv_channels[j]) {
- push_vector(L, mesh->mTextureCoords[j][i]);
- lua_rawseti(L, uv_channels[j], i+1);
- }
- }
- }
- }
-
- /* --=== populate faces ===-- */
-
- int faces = 0;
- if (mesh->mNumFaces != 0) {
- lua_createtable(L, mesh->mNumFaces, 0);
- faces = lua_gettop(L);
- pop_count += 1;
- for (int i=0; i<mesh->mNumFaces; i++) {
- push_face(L, mesh->mFaces[i]);
- lua_rawseti(L, faces, i+1);
- }
- }
-
- /* --=== assign values ===-- */
-
- lua_pushvalue(L, vertices);
- lua_setfield(L, meshtbl, "vertices");
-
- if (normals) {
- lua_pushvalue(L, normals);
- lua_setfield(L, meshtbl, "normals");
- }
-
- if (tangents) {
- lua_pushvalue(L, tangents);
- lua_setfield(L, meshtbl, "tangents");
- lua_pushvalue(L, bitangents);
- lua_setfield(L, meshtbl, "bitangents");
- }
-
- if (faces) {
- lua_pushvalue(L, faces);
- lua_setfield(L, meshtbl, "faces");
- }
-
- if (uvs) {
- lua_pushvalue(L, uvs);
- lua_setfield(L, meshtbl, "uvs");
- lua_pushvalue(L, uv_components);
- lua_setfield(L, meshtbl, "numUvComponents");
- }
-
- /* --=== clean up ===-- */
- lua_pop(L, pop_count);
-}
-
-
-static void push_node(lua_State *L, struct aiNode *node)
-{
- lua_createtable(L, 0, 0);
- int nodetbl = lua_gettop(L);
-
- int pop_count = 0;
-
- if (node->mMeshes != NULL) {
- lua_createtable(L, node->mNumMeshes, 0);
- int meshes = lua_gettop(L);
- for (int i=0; i<node->mNumMeshes; i++) {
- lua_pushinteger(L, node->mMeshes[i]+1);
- lua_rawseti(L, meshes, i+1);
- }
- lua_setfield(L, nodetbl, "meshes");
- }
-
- if (node->mChildren != NULL) {
- lua_createtable(L, node->mNumChildren, 0);
- int children = lua_gettop(L);
- for (int i=0; i<node->mNumChildren; i++) {
- push_node(L, node->mChildren[i]);
- lua_rawseti(L, children, i+1);
- }
- lua_setfield(L, nodetbl, "children");
- }
-}
-
-#endif
-
-
-static void push_scene(lua_State *L, struct aiScene *scene)
-{
- /* meshes */
- lua_createtable(L, scene->mNumMeshes, 0);
- int meshtbl = lua_gettop(L);
- for (int i=0; i<scene->mNumMeshes; i++) {
- push_mesh(L, scene->mMeshes[i]);
- lua_rawseti(L, meshtbl, i+1);
- }
-
- /* nodes */
- push_node(L, scene->mRootNode);
- int nodetbl = lua_gettop(L);
-
- /* scene */
- hs_create_table(L,
- hs_str_tbl("rootNode", nodetbl),
- hs_str_tbl("meshes", meshtbl),
- );
-}
-
-
-
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