some basic 3D rendering and the base for chunk generation etc.

1 files changed, 64 insertions, 0 deletions

diff --git a/src/engine/M_object.h b/src/engine/M_object.h
new file mode 100644
index 0000000..ca87f0a
--- /dev/null
+++ b/src/engine/M_object.h
@@ -0,0 +1,64 @@
+#pragma once
+
+#include <cglm/cglm.h>
+#include <cglm/mat4.h>
+#include <cglm/vec3.h>
+
+#include <assimp/cimport.h>
+#include <assimp/scene.h>
+#include <assimp/mesh.h>
+#include <assimp/postprocess.h>
+
+//#include "M_game.h"
+#include "M_shader.h"
+
+//Temporary type for storing M_Object rotation information,
+//will get replaced in later revisions.
+typedef struct {
+	float angle;
+	vec3 direction;
+} M_Rotation;
+
+//Stores information about a 3D model loaded in VRAM
+typedef struct {
+	int num_indices;
+
+	unsigned int VAO, VBO, EBO;
+} M_ViewModel;
+
+//Type meant for handling 3D models in a scene,
+//stores additional information like a model's position, size and rotation.
+typedef struct {
+	M_ViewModel *model;
+	M_ShaderProgram *shader;
+
+	vec3 pos, size;
+
+	M_Rotation rotation;
+
+	mat4 transform;
+} M_Object;
+
+//Creates a M_ViewModel out of vertices and indices manually
+void M_createViewModel(M_ViewModel *model, int num_vertices, float *vert, int num_indices, unsigned int *indices);
+
+//Unloads M_ViewModel from memory when no longer needed
+void M_killViewModel(M_ViewModel *model);
+
+//Loads and creates a M_ViewModel from a 3D object file like .obj
+M_ViewModel M_loadViewModel(const char* filename);
+
+//Creates a M_Object
+void M_createObject(M_Object *obj, M_ViewModel *model);
+
+
+//Functions for moving, scaling and rotating M_Object
+void M_moveObject(M_Object *obj, vec3 pos);
+void M_scaleObject(M_Object *obj, vec3 scale);
+void M_rotateObject(M_Object *obj, float angle, vec3 direction);
+
+//Updates M_Object transform matrix manually
+void M_updateObjectTransform(M_Object *obj);
+
+//Binds M_ViewModel for drawing
+void M_bindViewModel(M_ViewModel *model);