Camera fbo parameters are now saved to file when saving entity, also fixed several bugs in entity loading from file

README.md

@@ -149,7 +149,7 @@
 
 - ## TODO
 
-	- Add camera fbo params into camera struct so they can be saved and loaded into file
+	- Implement sound/listener loading from scene file
 	- Finish loading scene from file
 	- Update makefiles to be able to compile the code in it's current state
 	- Find a solution for the asset import/export situation by either updating the blender exporter or adding assimp as dependancy
@@ -314,3 +314,5 @@
 	* Implemented writing scene to file
 	* Fixed space not being added after light entities are written to file by adding missing new-line
 	* Fixed error caused by the way eof was checked in scene file 	
+	* Camera fbo params are now written to file when entity is saved
+	* Fixed several bugs with entity loading

src/libsymmetry/camera.c

@@ -100,9 +100,9 @@ void camera_update_proj(struct Entity* entity)
 void camera_attach_fbo(struct Entity* entity,
 					   int            width,
 					   int            height,
-					   int            has_depth,
-					   int            has_color,
-					   int            resizeable)
+					   bool           has_depth,
+					   bool           has_color,
+					   bool           resizeable)
 {
 	assert(width > 0 && height > 0);
 	struct Camera* camera = &entity->camera;
@@ -127,7 +127,7 @@ void camera_attach_fbo(struct Entity* entity,
 			texture_set_param(camera->render_tex, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
 			texture_set_param(camera->render_tex, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
 			texture_set_param(camera->render_tex, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
-			framebuffer_set_texture(camera->fbo, camera->render_tex, FA_COLOR_ATTACHMENT0);
+			framebuffer_texture_set(camera->fbo, camera->render_tex, FA_COLOR_ATTACHMENT0);
 		}
 
 		if(has_depth)
@@ -145,7 +145,7 @@ void camera_attach_fbo(struct Entity* entity,
 			texture_set_param(camera->depth_tex, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
 			texture_set_param(camera->depth_tex, GL_TEXTURE_COMPARE_MODE, GL_COMPARE_REF_TO_TEXTURE);
 			texture_set_param(camera->depth_tex, GL_TEXTURE_COMPARE_FUNC, GL_LEQUAL);
-			framebuffer_set_texture(camera->fbo, camera->depth_tex, FA_DEPTH_ATTACHMENT);
+			framebuffer_texture_set(camera->fbo, camera->depth_tex, FA_DEPTH_ATTACHMENT);
 		}
 	}
 	else

src/libsymmetry/camera.h

@@ -1,6 +1,8 @@
 #ifndef CAMERA_H
 #define CAMERA_H
 
+#include "../common/num_types.h"
+
 struct Entity;
 
 void camera_destroy(struct Entity* entity);
@@ -11,9 +13,9 @@ void camera_update_proj(struct Entity* entity);
 void camera_attach_fbo(struct Entity* entity,
 					   int            width,
 					   int            height,
-					   int            has_depth,
-					   int            has_color,
-					   int            resizeable);
+					   bool           has_depth,
+					   bool           has_color,
+					   bool           resizeable);
 /* void camera_resize_all(int width, int height); */
 
 #endif

src/libsymmetry/editor.c

@@ -276,6 +276,9 @@ void editor_update(float dt)
 					nk_label(context, "ID", NK_TEXT_ALIGN_LEFT); nk_labelf(context, NK_TEXT_ALIGN_RIGHT, "%d", entity->id);
 					nk_layout_row_dynamic(context, row_height, 2);
 					nk_label(context, "Entity Type", NK_TEXT_ALIGN_LEFT); nk_labelf(context, NK_TEXT_ALIGN_RIGHT, "%s", entity_type_name_get(entity));
+					nk_layout_row_dynamic(context, row_height, 2);
+					struct Entity* parent_ent = entity_get(entity->transform.parent);
+					nk_label(context, "Parent Name", NK_TEXT_ALIGN_LEFT); nk_label(context, parent_ent ? parent_ent->name : "NONE", NK_TEXT_ALIGN_RIGHT);
 
 					/* Transform */
 					{
@@ -364,6 +367,29 @@ void editor_update(float dt)
 							nk_tree_pop(context);
 						}
 					}
+
+					/* Camera */
+					if(entity->type == ET_CAMERA)
+					{
+						if(nk_tree_push(context, NK_TREE_TAB, "Camera", NK_MAXIMIZED))
+						{
+							struct Camera* camera = &entity->camera;
+
+							nk_layout_row_dynamic(context, row_height, 2);
+							nk_label(context, "Aspect Ratio", NK_TEXT_ALIGN_LEFT); nk_labelf(context, NK_TEXT_ALIGN_RIGHT, "%.5f", camera->aspect_ratio);
+							
+							nk_layout_row_dynamic(context, row_height, 1);
+							nk_property_float(context, "Fov", 45.f, &camera->fov, 90.f, 1.f, 5.f);
+
+							nk_layout_row_dynamic(context, row_height, 1);
+							nk_property_float(context, "NearZ", 0.01f, &camera->nearz, camera->farz, 0.1f, 1.f);
+							
+							nk_layout_row_dynamic(context, row_height, 1);
+							nk_property_float(context, "FarZ", camera->nearz, &camera->farz, FLT_MAX, 1.f, 5.f);
+							
+							nk_tree_pop(context);
+						}
+					}
 				}
 				else
 				{

src/libsymmetry/entity.c

@@ -8,6 +8,7 @@
 #include "model.h"
 #include "material.h"
 #include "geometry.h"
+#include "framebuffer.h"
 #include "../common/variant.h"
 #include "../common/common.h"
 
@@ -237,7 +238,23 @@ bool entity_write(struct Entity* entity, FILE* file)
 		fprintf(file, "fov: %.5f\n", entity->camera.fov);
 		fprintf(file, "nearz: %.5f\n", entity->camera.nearz);
 		fprintf(file, "farz: %.5f\n", entity->camera.farz);
-		fprintf(file, "render_texture: %s\n", entity->camera.render_tex == -1 ? "false" : "true");
+		fprintf(file, "clear_color: %.5f %.5f %.5f %.5f\n",
+				entity->camera.clear_color.x,
+				entity->camera.clear_color.y,
+				entity->camera.clear_color.z,
+				entity->camera.clear_color.w);
+		if(entity->camera.fbo != -1)
+		{
+			fprintf(file, "has_fbo: true\n");
+			fprintf(file, "fbo_height: %d\n", framebuffer_height_get(entity->camera.fbo));
+			fprintf(file, "fbo_width: %d\n", framebuffer_width_get(entity->camera.fbo));
+			fprintf(file, "fbo_has_render_tex: %s\n", entity->camera.render_tex == -1 ? "false" : "true");
+			fprintf(file, "fbo_has_depth_tex: %s\n", entity->camera.depth_tex == -1 ? "false" : "true");
+		}
+		else
+		{
+			fprintf(file, "has_fbo: false\n");
+		}
 		break;
 	}
 	case ET_STATIC_MESH:
@@ -321,6 +338,8 @@ struct Entity* entity_read(FILE* file)
 	char* entity_name   	= NULL;
 	char* geometry_name 	= NULL;
 	char* parent_name   	= NULL;
+	int   camera_fbo_width  = -1;
+	int   camera_fbo_height = -1;
     char line_buffer[MAX_LINE_LEN];
     char prop_str[MAX_ENTITY_PROP_NAME_LEN];
 	static struct Variant var_value = { .type = VT_NONE};
@@ -359,7 +378,7 @@ struct Entity* entity_read(FILE* file)
 			entity_name = str_new(var_value.val_str);
 			//variant_copy_out(&entity.name, &var_value);
 		}
-		if(strncmp("parent", prop_str, MAX_ENTITY_PROP_NAME_LEN) == 0)
+		else if(strncmp("parent", prop_str, MAX_ENTITY_PROP_NAME_LEN) == 0)
 		{
 			variant_from_str(&var_value, value_str, VT_STR);
 			parent_name = str_new(var_value.val_str);
@@ -424,11 +443,35 @@ struct Entity* entity_read(FILE* file)
 			variant_from_str(&var_value, value_str, VT_FLOAT);
 			variant_copy_out(&entity.camera.farz, &var_value);
 		}
-		else if(strncmp("render_texture", prop_str, MAX_ENTITY_PROP_NAME_LEN) == 0)
+		else if(strncmp("has_fbo", prop_str, MAX_ENTITY_PROP_NAME_LEN) == 0)
 		{
 			variant_from_str(&var_value, value_str, VT_BOOL);
 			entity.camera.fbo = var_value.val_bool ? 0 : -1;
-			//variant_copy_out(&entity.camera.fbo, &var_value);
+		}		
+		else if(strncmp("fbo_height", prop_str, MAX_ENTITY_PROP_NAME_LEN) == 0)
+		{
+			variant_from_str(&var_value, value_str, VT_INT);
+			variant_copy_out(&camera_fbo_height, &var_value);
+		}		
+		else if(strncmp("fbo_width", prop_str, MAX_ENTITY_PROP_NAME_LEN) == 0)
+		{
+			variant_from_str(&var_value, value_str, VT_INT);
+			variant_copy_out(&camera_fbo_width, &var_value);
+		}
+		else if(strncmp("fbo_has_depth_tex", prop_str, MAX_ENTITY_PROP_NAME_LEN) == 0)
+		{
+			variant_from_str(&var_value, value_str, VT_BOOL);
+			entity.camera.depth_tex = var_value.val_bool ? 0 : -1;
+		}
+		else if(strncmp("fbo_has_render_tex", prop_str, MAX_ENTITY_PROP_NAME_LEN) == 0)
+		{
+			variant_from_str(&var_value, value_str, VT_BOOL);
+			entity.camera.render_tex = var_value.val_bool ? 0 : -1;
+		}
+		else if(strncmp("clear_color", prop_str, MAX_ENTITY_PROP_NAME_LEN) == 0)
+		{
+			variant_from_str(&var_value, value_str, VT_VEC4);
+			variant_copy_out(&entity.camera.clear_color, &var_value);
 		}
 
 		/* Light */
@@ -516,13 +559,17 @@ struct Entity* entity_read(FILE* file)
             variant_from_str(&var_value, value_str, VT_INT);
             variant_copy_out(&entity.sound_source.num_attached_buffers, &var_value);
         }
+		else
+		{
+			log_warning("Unknown entity property '%s' in line %d", prop_str, current_line);
+		}
 
 		variant_free(&var_value);
 	}
 
 	/* Do the things after assignment */
 	struct Entity* parent_entity = NULL;
-	if(strcmp(parent_name, "NONE") == 0)
+	if(strcmp(parent_name, "NONE") != 0)
 		parent_entity = entity_find(parent_name);
 	
 	struct Entity* new_entity = entity_create(entity_name, entity.type, parent_entity ? parent_entity->id : -1);
@@ -536,11 +583,26 @@ struct Entity* entity_read(FILE* file)
 	switch(new_entity->type)
 	{
 	case ET_CAMERA:
-		new_entity->camera.fbo = -1; /* TODO: FIX by storing fbo params in camera struct and writing them into file when saving */
-		new_entity->camera.render_tex = -1;
+		new_entity->camera.fbo        = -1;
 		new_entity->camera.depth_tex  = -1;
+		new_entity->camera.render_tex = -1;
+		new_entity->camera.resizeable = false;
+		new_entity->camera.nearz = entity.camera.nearz;
+		new_entity->camera.farz  = entity.camera.farz;
+		new_entity->camera.ortho = entity.camera.ortho;
+		new_entity->camera.fov   = entity.camera.fov;
+		float aspect_ratio = (float)camera_fbo_width / (float)camera_fbo_height;
+		new_entity->camera.aspect_ratio = aspect_ratio <= 0.f ? (4.f / 3.f) : aspect_ratio;
 		camera_update_view(new_entity);
 		camera_update_proj(new_entity);
+		if(entity.camera.fbo != -1)
+		{
+			camera_attach_fbo(new_entity, camera_fbo_width, camera_fbo_height,
+							  entity.camera.depth_tex == -1 ? false : true,
+							  entity.camera.render_tex == -1 ? false : true,
+							  entity.camera.resizeable);
+		}
+		vec4_assign(&new_entity->camera.clear_color, &entity.camera.clear_color);
 		break;
 	case ET_STATIC_MESH:
 		model_create(new_entity, geometry_name, material_name);
@@ -552,8 +614,8 @@ struct Entity* entity_read(FILE* file)
 		light_add(new_entity);
 		break;
 	case ET_SOUND_SOURCE:
-        platform->sound.source_create(new_entity->sound_source.relative,
-                                      new_entity->sound_source.num_attached_buffers,
+        platform->sound.source_create(entity.sound_source.relative,
+                                      entity.sound_source.num_attached_buffers,
                                       &new_entity->sound_source.source_handle,
                                       &new_entity->sound_source.buffer_handles[0]);
 		break;

src/libsymmetry/framebuffer.c

@@ -15,7 +15,7 @@ struct FBO
 	int  texture_attachments[FA_NUM_ATTACHMENTS];
 	int  width;
 	int  height;
-	int  resizeable;
+	bool resizeable;
 };
 
 struct FBO* fbo_list;
@@ -38,7 +38,7 @@ void framebuffer_cleanup(void)
 	empty_indices = NULL;
 }
 
-int framebuffer_create(int width, int height, int has_depth, int has_color, int resizeable)
+int framebuffer_create(int width, int height, bool has_depth, bool has_color, bool resizeable)
 {
 	int    index              = -1;
 	GLuint fbo                =  0;
@@ -146,6 +146,7 @@ void framebuffer_remove(int index)
 	fbo->handle             =  0;
 	fbo->width              = -1;
 	fbo->height             = -1;
+	fbo->resizeable         = false;
 }
 
 void framebuffer_unbind(void)
@@ -153,19 +154,19 @@ void framebuffer_unbind(void)
 	glBindFramebuffer(GL_FRAMEBUFFER, 0);
 }
 
-int framebuffer_get_width(int index)
+int framebuffer_width_get(int index)
 {
 	assert(index < array_len(fbo_list) && index > -1);
 	return fbo_list[index].width;
 }
 
-int framebuffer_get_height(int index)
+int framebuffer_height_get(int index)
 {
 	assert(index < array_len(fbo_list) && index > -1);
 	return fbo_list[index].height;
 }
 
-void framebuffer_set_texture(int index, int texture, enum Framebuffer_Attachment attachment)
+void framebuffer_texture_set(int index, int texture, enum Framebuffer_Attachment attachment)
 {
 	assert(index < array_len(fbo_list) && index > -1);
 	GLenum gl_attachment = -1;
@@ -201,7 +202,7 @@ void framebuffer_set_texture(int index, int texture, enum Framebuffer_Attachment
 	glBindFramebuffer(GL_FRAMEBUFFER, current_fbo);
 }
 
-int framebuffer_get_texture(int index, enum Framebuffer_Attachment attachment)
+int framebuffer_texture_get(int index, enum Framebuffer_Attachment attachment)
 {
 	assert(index < array_len(fbo_list) &&
 		   index > -1 &&
@@ -210,7 +211,7 @@ int framebuffer_get_texture(int index, enum Framebuffer_Attachment attachment)
 	return fbo_list[index].texture_attachments[attachment];
 }
 
-uint framebuffer_get_gl_handle(int index)
+uint framebuffer_gl_handle_get(int index)
 {
 	assert(index < array_len(fbo_list) && index > -1);
 	return fbo_list[index].handle;
@@ -293,8 +294,8 @@ void framebuffer_resize_all(int width, int height)
 	}
 }
 
-void framebuffer_resizeable_set(int index, int resizeable)
+void framebuffer_resizeable_set(int index, bool resizeable)
 {
 	assert(index > -1 && index < array_len(fbo_list));
-	fbo_list[index].resizeable = resizeable ? 1 : 0;
+	fbo_list[index].resizeable = resizeable ? true : false;
 }

src/libsymmetry/framebuffer.h

@@ -12,17 +12,17 @@ enum Framebuffer_Attachment
 
 void framebuffer_init(void);
 void framebuffer_cleanup(void);
-int  framebuffer_create(int width, int height, int has_depth, int has_color, int resizeable);
+int  framebuffer_create(int width, int height, bool has_depth, bool has_color, bool resizeable);
 void framebuffer_bind(int index);
 void framebuffer_remove(int index);
 void framebuffer_unbind(void);
-int  framebuffer_get_width(int index);
-int  framebuffer_get_height(int index);
-void framebuffer_set_texture(int index, int texture, enum Framebuffer_Attachment attachment);
-int  framebuffer_get_texture(int index, enum Framebuffer_Attachment attachment);
-uint framebuffer_get_gl_handle(int index);
+int  framebuffer_width_get(int index);
+int  framebuffer_height_get(int index);
+void framebuffer_texture_set(int index, int texture, enum Framebuffer_Attachment attachment);
+int  framebuffer_texture_get(int index, enum Framebuffer_Attachment attachment);
+uint framebuffer_gl_handle_get(int index);
 void framebuffer_resize(int index, int width, int height);
 void framebuffer_resize_all(int width, int height);
-void framebuffer_resizeable_set(int index, int resizeable);
+void framebuffer_resizeable_set(int index, bool resizeable);
 
 #endif

src/libsymmetry/renderer.c

@@ -108,9 +108,9 @@ void renderer_init(void)
 	texture_set_param(def_depth_tex, GL_TEXTURE_COMPARE_MODE, GL_COMPARE_REF_TO_TEXTURE);
 	texture_set_param(def_depth_tex, GL_TEXTURE_COMPARE_FUNC, GL_LEQUAL);
 
-	def_fbo = framebuffer_create(width, height, 1, 0, 1);
-	framebuffer_set_texture(def_fbo, def_albedo_tex, FA_COLOR_ATTACHMENT0);
-	framebuffer_set_texture(def_fbo, def_depth_tex, FA_DEPTH_ATTACHMENT);
+	def_fbo = framebuffer_create(width, height, true, false, true);
+	framebuffer_texture_set(def_fbo, def_albedo_tex, FA_COLOR_ATTACHMENT0);
+	framebuffer_texture_set(def_fbo, def_depth_tex, FA_DEPTH_ATTACHMENT);
 	composition_shader = shader_create("fbo.vert", "fbo.frag");
 	debug_shader       = shader_create("debug.vert", "debug.frag");
 
@@ -132,7 +132,7 @@ void renderer_draw(struct Entity* active_viewer)
 		int fbo = camera->fbo == -1 ? def_fbo : camera->fbo;
 		framebuffer_bind(fbo);
 		{
-			glViewport(0, 0, framebuffer_get_width(fbo), framebuffer_get_height(fbo));
+			glViewport(0, 0, framebuffer_width_get(fbo), framebuffer_height_get(fbo));
 			glEnable(GL_DEPTH_TEST);
 			glDepthFunc(GL_LEQUAL);
 			glClearColor(camera->clear_color.x,

src/libsymmetry/scene.c

@@ -13,8 +13,8 @@ static int root_node = -1;
 void scene_init(void)
 {
 	/* Add root node to scene */
-	struct Entity* root = entity_create("ROOT", ET_ROOT, -1);
-	root_node = root->id;
+	/* struct Entity* root = entity_create("ROOT", ET_ROOT, -1); */
+	/* root_node = root->id; */
 }
 
 struct Entity* scene_add_new(const char* name, const int type)