Now creating physics objects of all chunks

code/source-c/entity.c

@@ -137,15 +137,15 @@ void tc_delete_entity(tc_entity_s *entity)
 tc_entity_attribute_s * tc_get_entity_attribute_with_name(tc_entity_s *entity, char *name)
 {
     u32_t        attribute_index         = 0;
-    while(attribute_index < entity->attributes_capacity)
+    while(attribute_index < entity->num_attributes)
     {
         tc_entity_attribute_s attribute               = entity->attributes[attribute_index];
         if(attribute.name == NULL)
         {
+            puts("NAAJAA");
             ++attribute_index;
             continue;
         }
-        
         if(!strcmp(attribute.name, name)) return &entity->attributes[attribute_index];
         ++attribute_index;
     }

code/source-c/hook.c

@@ -8,7 +8,7 @@ tc_hooklist_s tc_new_hooklist(u32_t capacity)
     tc_hooklist_s           hooklist;
     hooklist.capacity           = capacity;
     hooklist.num_hooks          = 0;
-    hooklist.hooks              = malloc(sizeof(tc_fn_hook)); 
+    hooklist.hooks              = malloc(sizeof(tc_hook_s)); 
     
     return hooklist;
 }

code/source-c/physics/aabb.c

@@ -1,4 +1,16 @@
 #include "primitives.h"
 
+tc_physics_mesh_s tc_wrap_aabb(tc_vec3f_s start, tc_vec3f_s size)
+{
+    tc_aabb_s               aabb;
+    aabb.start                  = start;
+    aabb.size                   = size;
     
+    tc_physics_mesh_s       mesh;
+    mesh.num_primitives                     = 1;
+    mesh.value.simple.primitive.type        = TC_PRIMITIVE_AABB;
+    mesh.value.simple.primitive.data.aabb   = aabb;
+    
+    return mesh;
+}
 

code/source-c/physics/physics.c

@@ -1,42 +1,117 @@
 #include "simulation.h"
 
-tc_physics_simulation_s tc_new_physics_simulation()
+#include <stddef.h>
+#include <stdlib.h>
+#include <stdio.h>
+
+tc_physics_simulation_s * tc_new_physics_simulation()
 {
-    tc_physics_simulation_s         simulation;
+    tc_physics_simulation_s        *simulation      = malloc(sizeof(tc_physics_simulation_s));
+    simulation->root                    = tc_new_physics_group(simulation);
     
     return simulation;
 }
 
 
 
-void tc_add_physics_object(tc_physics_simulation_s *simulation, tc_physics_entity_s object)
+void tc_add_physics_object(tc_physics_simulation_s *simulation, tc_physics_entity_s *object)
 {
-    
-    
-    
+    tc_add_physics_object_to(simulation->root, object);
 }
 
-void tc_add_physics_object_to(tc_physics_entity_s *container, tc_physics_entity_s object)
+void tc_add_physics_object_to(tc_physics_entity_s *container, tc_physics_entity_s *object)
 {
-    
-    
-    
+    if((container->value.group.num_entities+1)
+        >=
+       container->value.group.entities_capacity
+    ) {
+        container->value.group.entities_capacity     *= 2;
+        container->value.group.entities =
+            realloc(container->value.group.entities, sizeof(tc_physics_entity_s *) * container->value.group.entities_capacity);
+    }
+    container->value.group.entities[container->value.group.num_entities] = object;
+    ++container->value.group.num_entities;
 }
 
 
 
-tc_physics_entity_s tc_new_physics_entity()
+tc_physics_entity_s * tc_new_physics_entity(tc_physics_simulation_s *simulation)
 {
+    tc_physics_entity_s        *entity      = malloc(sizeof(tc_physics_entity_s));;
+    entity->super                   = NULL;
+    entity->simulation              = simulation;
+    entity->relative_position.x     = 0.0f;
+    entity->relative_position.y     = 0.0f;
+    entity->relative_position.z     = 0.0f;
+    entity->type                    = TC_PHYSICS_ENTITY;
     
+    entity->value.entity.mesh.num_primitives    = 0;
+    entity->value.entity.name                   = NULL;
     
-    
+    return entity;
 }
 
+tc_physics_entity_s * tc_new_physics_group(tc_physics_simulation_s *simulation)
+{
+    tc_physics_entity_s        *entity      = malloc(sizeof(tc_physics_entity_s));;
+    entity->super                   = NULL;
+    entity->simulation              = simulation;
+    entity->relative_position.x     = 0.0f;
+    entity->relative_position.y     = 0.0f;
+    entity->relative_position.z     = 0.0f;
+    entity->type                    = TC_PHYSICS_ENTITY_GROUP;
+    
+    entity->value.group.entities_capacity       = 8;
+    entity->value.group.num_entities            = 0;
+    entity->value.group.entities =
+        calloc(sizeof(tc_physics_entity_s), entity->value.group.entities_capacity);
+    
+    return entity;
+}
+
+
+
+i32_t tc_physics_find_entity_in_group(tc_physics_entity_s *group, tc_physics_entity_s *entity)
+{
+    i32_t index = 0;
+    while(index < group->value.group.num_entities)
+    {
+        if(entity->super->value.group.entities[group->value.group.num_entities]
+            ==
+           entity
+          ) return index;
+        ++index;
+    }
+    return -1;
+}
+
+void tc_free_physics_entity(tc_physics_entity_s *entity)
+{
+    if(entity->type == TC_PHYSICS_ENTITY_GROUP)
+    {
+        for(u32_t index = 0; index < entity->value.group.num_entities; ++index)
+            tc_free_physics_entity(entity->value.group.entities[index]);
+    }
+    free(entity);
+}
+
+void tc_remove_physics_entity(tc_physics_entity_s *entity)
+{
+    u32_t                       num_entities    = entity->simulation->root->value.group.num_entities;
+    if(entity->super == NULL) return;
+    
+    i32_t                       index           = 0;
+    if((index = tc_physics_find_entity_in_group(entity->super, entity)) == -1) return;
+    
+    entity->super->value.group.entities[index]  = 
+        entity->super->value.group.entities[entity->super->value.group.num_entities-1];
+}
+
+
+
 void tc_tick_physics(tc_physics_simulation_s *simulation, f32_t delta)
 {
     
-    
-    
 }
 
 

code/source-c/physics/primitives.h

@@ -87,10 +87,24 @@ typedef struct tc_primitive_container
 
 struct tc_physics_mesh
 {
-    u32_t                       primitives_capacity;
     u32_t                       num_primitives;
+    union
+    {
+        struct complex
+        {
+            u32_t                       primitives_capacity;
             tc_primitive_s             *primitives;
+        } complex;
+        struct simple
+        {
+            tc_primitive_s              primitive;
+            
+            
+        } simple;
+    } value;
 };
 
+tc_physics_mesh_s   tc_wrap_aabb        (tc_vec3f_s start, tc_vec3f_s size);
+
 #endif // TC_PHYSICS_PRIMITIVES_H
 

code/source-c/physics/simulation.h

@@ -10,6 +10,7 @@
 
 typedef struct  tc_physics_entity               tc_physics_entity_s;
 typedef struct  tc_entity_physics_attributes    tc_entity_physics_attributes_s;
+typedef struct  tc_physics_simulation           tc_physics_simulation_s;
 
 struct tc_entity_physics_attributes
 {
@@ -31,6 +32,7 @@ typedef enum
 
 struct tc_physics_entity
 {
+    tc_physics_simulation_s    *simulation;
     tc_physics_entity_s        *super;
     
     // relative_position: The position of this physics entity relative to its super-entity
@@ -42,31 +44,35 @@ struct tc_physics_entity
         struct entity
         {
             char                       *name;
-            tc_entity_s                *entity;
+            tc_physics_mesh_s           mesh;
             
         } entity;
         
         struct subentity_group
         {
+            u32_t                       entities_capacity;
             u32_t                       num_entities;
-            tc_physics_entity_s        *entities;
+            tc_physics_entity_s       **entities;
             
         } group;
         
     } value;
 };
 
-typedef struct tc_physics_simulation
+struct tc_physics_simulation
 {
-    tc_physics_entity_s         world_root;
+    tc_physics_entity_s        *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_s object);
-void                        tc_add_physics_object_to    (tc_physics_entity_s *container, tc_physics_entity_s object);
+tc_physics_simulation_s *   tc_new_physics_simulation   ();
+void                        tc_add_physics_object       (tc_physics_simulation_s *simulation, tc_physics_entity_s *object);
+void                        tc_add_physics_object_to    (tc_physics_entity_s *container, tc_physics_entity_s *object);
 
-tc_physics_entity_s         tc_new_physics_entity       ();
+tc_physics_entity_s *       tc_new_physics_entity       (tc_physics_simulation_s *simulation);
+tc_physics_entity_s *       tc_new_physics_group        (tc_physics_simulation_s *simulation);
+
+void                        tc_remove_physics_entity    (tc_physics_entity_s *entity);
 
 void                        tc_tick_physics             (tc_physics_simulation_s *simulation, f32_t delta);
 

code/source-c/world.c

@@ -93,8 +93,9 @@ void tc_create_chunk_entity(tc_entity_s *entity, void *userdata)
     tc_set_integer_for_entity(entity, "grid_y", 0);
     tc_set_integer_for_entity(entity, "grid_z", 0);
     entity->specific        = chunk;
+    chunk->world            = world;
     
-    tc_run_hooklist(&world->on_chunk_create, chunk);
+    tc_run_hooklist(&world->on_chunk_create, entity);
 }
 
 void tc_spawn_chunk_entity(tc_entity_s *entity, tc_location_s location)
@@ -115,6 +116,8 @@ void tc_teleport_chunk_entity(tc_entity_s *entity, tc_location_s location)
 
 void tc_delete_chunk_entity(tc_entity_s *entity)
 {
+    tc_physics_entity_s    *physics_body        = tc_get_pointer_from_entity(entity, "physics_body");
+    tc_remove_physics_entity(physics_body);
     tc_free_chunk(entity->specific);
 }
 

code/source-c/world.h

@@ -96,7 +96,7 @@ struct tc_world
     tc_chunkloader_s           *loaders;
     
     tc_chunkloader_s           *spawn_loader;
-    tc_physics_simulation_s     physics;
+    tc_physics_simulation_s    *physics;
     
     tc_hooklist_s               on_chunk_create;
     tc_hooklist_s               on_chunk_generate;

code/source-c/world_physics.c

@@ -1,9 +1,44 @@
 #include <world.h>
 #include <stddef.h> // For NULL
+#include <stdio.h>
 
-void tc_initialize_chunk_physics(tc_chunk_s *chunk, void *userdata)
+void tc_initialize_chunk_physics(tc_entity_s *chunk_entity, void *userdata)
 {
+    tc_chunk_s                     *chunk               = chunk_entity->specific;
+    tc_world_s                     *world               = chunk->world;
+    tc_physics_simulation_s        *simulation          = world->physics;
     
+    tc_physics_entity_s            *chunk_body          = tc_new_physics_group(simulation);
+    
+    tc_vec3f_s                      block_start;
+    block_start.x                       = -0.5f;
+    block_start.y                       = -0.5f;
+    block_start.z                       = -0.5f;
+    
+    tc_vec3f_s                      block_size;
+    block_size.x                        = 1.0f;
+    block_size.y                        = 1.0f;
+    block_size.z                        = 1.0f;
+    
+    tc_physics_mesh_s               block_mesh          = tc_wrap_aabb(block_start, block_size);
+    
+    for(u32_t x = 0; x < 32; ++x)
+        for(u32_t y = 0; y < 32; ++y)
+            for(u32_t z = 0; z < 32; ++z)
+            {
+                tc_physics_entity_s            *block_entity            = tc_new_physics_entity(simulation);
+                block_entity->relative_position.x   = x;
+                block_entity->relative_position.y   = y;
+                block_entity->relative_position.z   = z;
+                block_entity->type                  = TC_PHYSICS_ENTITY;
+                block_entity->value.entity.mesh     = block_mesh;
+                
+                tc_add_physics_object_to(chunk_body, block_entity);
+            }
+    
+    
+    tc_add_physics_object(world->physics, chunk_body);
+    tc_set_pointer_for_entity(chunk_entity, "physics_body", chunk_body);
 }
 
 void tc_create_world_physics(tc_world_s *world, void *userdata)