Added files for physics engine

code/source-c/main.c

@@ -290,9 +290,6 @@ bool update()
     
     tc_update_world(tc_game_state_g.main_world);
     
-    // uint64_t            current_ms              = SDL_GetTicks64();
-    // uint32_t            ticks_between           = current_ms - tc_last_update;
-    
     return true;
 }
 

code/source-c/physics/aabb.c

@@ -0,0 +1,4 @@
+#include "primitives.h"
+
+
+

code/source-c/physics/obb.c

@@ -0,0 +1,3 @@
+#include "primitives.h"
+
+

code/source-c/physics/physics.c

@@ -0,0 +1,42 @@
+#include "simulation.h"
+
+tc_physics_simulation_s tc_new_physics_simulation()
+{
+    
+    
+    
+}
+
+
+
+void tc_add_physics_object(tc_physics_simulation_s *simulation, tc_physics_entity object)
+{
+    
+    
+    
+}
+
+void tc_add_physics_object_to(tc_physics_entity_s *container, tc_physics_entity_s object)
+{
+    
+    
+    
+}
+
+
+
+tc_phyiscs_entity_s tc_new_physics_entity()
+{
+    
+    
+    
+}
+
+void tc_tick_physics(tc_physics_simulation_s *simulation, float delta)
+{
+    
+    
+    
+}
+
+

code/source-c/physics/plane.c

@@ -0,0 +1,4 @@
+#include "primitives.h"
+
+
+

code/source-c/physics/primitives.h

@@ -0,0 +1,97 @@
+
+#ifndef TC_PHYSICS_PRIMITIVES_H
+#define TC_PHYSICS_PRIMITIVES_H
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "../utility.h"
+
+typedef struct  tc_physics_mesh                 tc_physics_mesh_s;
+
+typedef struct  tc_aabb             tc_aabb_s;
+typedef struct  tc_obb              tc_obb_s;
+typedef struct  tc_plane            tc_plane_s;
+typedef struct  tc_ellipsoid        tc_ellipsoid_s;
+typedef struct  tc_ray              tc_ray_s;
+typedef struct  tc_line             tc_line_s;
+
+typedef enum
+{
+    TC_PRIMITIVE_AABB,
+    TC_PRIMITIVE_OBB,
+    TC_PRIMITIVE_PLANE,
+    TC_PRIMITIVE_ELLIPSOID,
+    TC_PRIMITIVE_RAY,
+    TC_PRIMITIVE_LINE
+    
+} tc_primitive_type_e;
+
+struct tc_aabb
+{
+    tc_vec3_s                   start;
+    tc_vec3_s                   size;
+};
+
+struct tc_obb
+{
+    tc_vec3_s                   start;
+    tc_vec3_s                   size;
+    tc_vec3_s                   rotation;
+};
+
+struct tc_plane
+{
+    tc_vec3_s                   center;
+    tc_vec3_s                   rotation;
+    tc_vec2i_s                  size;
+};
+
+struct tc_ellipsoid
+{
+    tc_vec3_s                   center;
+    tc_vec3_s                   extent;
+};
+
+struct tc_ray
+{
+    tc_vec3_s                   start;
+    tc_vec3_s                   rotation;
+};
+
+struct tc_line
+{
+    tc_vec3_s                   start;
+    tc_vec3_s                   end;
+};
+
+
+typedef union tc_primitive
+{
+    tc_aabb_s       aabb;
+    tc_obb_s        obb;
+    tc_plane_s      plane;
+    tc_ellipsoid_s  sphere;
+    tc_plane_s      plane;
+    
+    tc_line_s       line;
+    tc_ray_s        ray;
+    
+} tc_primitive_u;
+
+typedef struct tc_primitive
+{
+    tc_primitive_type_e         type;
+    tc_primitive_u              data;
+    
+} tc_primitive_s;
+
+struct tc_physics_mesh
+{
+    uint32_t                    primitives_capacity;
+    uint32_t                    num_primitives;
+    tc_primitive_s             *primitives;
+};
+
+#endif // TC_PHYSICS_PRIMITIVES_H
+

code/source-c/physics/raycast.c

@@ -0,0 +1,10 @@
+#include "primitives.h"
+
+tc_primitive_s * tc_cast_line(tc_physics_simulation_s *simulation, tc_line_s line)
+{
+    
+    
+    
+    
+}
+

code/source-c/physics/simulation.h

@@ -0,0 +1,78 @@
+
+#ifndef TC_PHYSICS_SIMULATION_H
+#define TC_PHYSICS_SIMULATION_H
+
+#include <stdint.h>
+
+#include <utility/utility.h>
+#include <../entity.h>
+
+typedef struct  tc_physics_entity               tc_physics_entity_s;
+typedef struct  tc_entity_physics_attributes    tc_entity_physics_attributes;
+
+struct tc_entity_physics_attributes
+{
+    bool            has_gravity;
+    
+    bool            raw_movement;
+    bool            raw_rotation;
+    
+    tc_vec3_s       acceleration;
+    tc_vec3_s       spin;
+};
+
+typedef enum
+{
+    TC_PHYSICS_ENTITY,
+    TC_PHYSICS_ENTITY_GROUP
+    
+} tc_physics_entity_type_e;
+
+struct tc_physics_entity
+{
+    tc_physics_entity          *super;
+    
+    // relative_position: The position of this physics entity relative to its super-entity
+    tc_vec3_s                   relative_position;
+        
+    tc_physics_entity_e         type;
+    union specific
+    {
+        struct entity
+        {
+            tc_entity_s                *entity;
+            
+        } entity;
+        
+        struct subentity_group
+        {
+            uint32_t                    num_entities;
+            tc_physics_entity_s        *entities;
+            
+        } group;
+        
+    } value;
+};
+
+typedef struct tc_physics_simulation
+{
+    tc_vec3_s                   limits;
+    
+    tc_physics_entity_s         world_root;
+    
+} tc_physics_simulation_s;
+
+tc_physics_simulation_s     tc_new_physics_simulation   ();
+void                        tc_add_physics_object       (tc_physics_simulation_s *simulation, tc_physics_entity object);
+void                        tc_add_physics_object_to    (tc_physics_entity_s *container, tc_physics_entity_s object);
+
+tc_phyiscs_entity_s         tc_new_physics_entity       ();
+
+void                        tc_tick_physics             (tc_physics_simulation_s *simulation, float delta);
+
+
+
+tc_primitive_s              tc_cast_line                (tc_physics_simulation_s *simulation, tc_line_s line);
+
+#endif
+