Sound source properties are now applied to each newly created instance

src/common/version.h

@@ -4,7 +4,7 @@
 /* Auto generated version file. DO NOT MODIFY */
 #define SYMMETRY_VERSION_MAJOR 0
 #define SYMMETRY_VERSION_MINOR 1
-#define SYMMETRY_VERSION_REVISION 314
+#define SYMMETRY_VERSION_REVISION 315
 #define SYMMETRY_VERSION_BRANCH "dev"
 
 #endif

src/game/enemy.c

@@ -53,8 +53,28 @@ void enemy_init(struct Enemy* enemy, int type)
 	if(!mesh)
 		log_error("enemy:init", "Failed to add mesh from file for %s", enemy->base.name);
 
-	enemy->mesh->base.flags |= EF_TRANSIENT;
-	enemy->weapon_sound->base.flags |= EF_TRANSIENT;
+	if(enemy->mesh) enemy->mesh->base.flags |= EF_TRANSIENT;
+	if(enemy->weapon_sound) enemy->weapon_sound->base.flags |= EF_TRANSIENT;
+}
+
+void enemy_weapon_sound_set(struct Enemy* enemy, const char* sound_filename, int type)
+{
+	sound_source_buffer_set(game_state_get()->sound, sound_filename, type);
+}
+
+void enemy_static_mesh_set(struct Enemy* enemy, const char* geometry_filename, int material_type)
+{
+	struct Scene* scene = game_state_get()->scene;
+	char mesh_name[MAX_ENTITY_NAME_LEN];
+	memset(mesh_name, '\0', sizeof(char) * MAX_ENTITY_NAME_LEN);
+	snprintf(mesh_name, MAX_ENTITY_NAME_LEN, "%s_Mesh", enemy->base.name);
+
+	struct Static_Mesh* new_mesh = scene_static_mesh_create(scene, mesh_name, enemy, geometry_filename, material_type);
+	if(new_mesh)
+	{
+		if(enemy->mesh) scene_static_mesh_remove(scene, enemy->mesh);
+		enemy->mesh = new_mesh;
+	}
 }
 
 void enemy_update(struct Enemy* enemy, struct Scene* scene, float dt)
@@ -75,8 +95,9 @@ void enemy_update(struct Enemy* enemy, struct Scene* scene, float dt)
 
 void enemy_reset(struct Enemy* enemy)
 {
-	entity_reset(enemy, enemy->base.id);
-	enemy->base.flags = EF_NONE;
+	enemy->type = -1;
+	enemy->damage = 0;
+	enemy->health = 0;
 }
 
 struct Enemy* enemy_read(struct Parser_Object* object, const char* name, struct Entity* parent_entity)
@@ -89,7 +110,7 @@ struct Enemy* enemy_read(struct Parser_Object* object, const char* name, struct
 
 	if(enemy_type != -1)
 	{
-		new_enemy = scene_enemy_create(scene, name, parent_entity, enemy_type);
+		new_enemy = scene_enemy_create(scene, name, parent_entity, enemy_type); // Create enemy with default values then read and update from file if necessary
 		if(!new_enemy)
 			return new_enemy;
 		if(hashmap_value_exists(object->data, "health")) new_enemy->health = hashmap_int_get(object->data, "health");

src/game/enemy.h

@@ -12,5 +12,7 @@ void          enemy_update(struct Enemy* enemy, struct Scene* scene, float dt);
 void          enemy_reset(struct Enemy* enemy);
 struct Enemy* enemy_read(struct Parser_Object* object, const char* name, struct Entity* parent_entity);
 void          enemy_write(struct Enemy* enemy, struct Hashmap* entity_data);
+void          enemy_weapon_sound_set(struct Enemy* enemy, const char* sound_filename, int type);
+void          enemy_static_mesh_set(struct Enemy* enemy, const char* geometry_filename, int material_type);
 
 #endif

src/game/entity.h

@@ -59,7 +59,7 @@ enum Entity_Flags
 	EF_ACTIVE                         = 1 << 0,
 	EF_SELECTED_IN_EDITOR             = 1 << 1,
 	EF_MARKED_FOR_DELETION            = 1 << 2,
-	EF_TRANSIENT                      = 1 << 3,
+	EF_TRANSIENT                      = 1 << 3, // Do not save the entity when saving the scene. The entity will still be saved if it is individually saved to file
 	EF_HIDE_IN_EDITOR_SCENE_HIERARCHY = 1 << 4,
 	EF_SKIP_RENDER                    = 1 << 5,
 	EF_IGNORE_RAYCAST                 = 1 << 6

src/game/scene.c

@@ -413,7 +413,7 @@ void scene_post_update(struct Scene* scene)
 
 		if(sound_source->base.transform.is_modified)
 		{
-			sound_source_update(sound, sound_source);
+			sound_source_update_position(sound, sound_source);
 			sound_source->base.transform.is_modified = false;
 		}
 	}

src/game/sound_source.c

@@ -4,17 +4,30 @@
 #include "transform.h"
 #include "../common/log.h"
 
-static void sound_source_validate_instance(struct Sound* sound, struct Sound_Source* entity)
+static void sound_source_validate_instance(struct Sound* sound, struct Sound_Source* entity);
+static void sound_source_apply_params_to_instance(struct Sound* sound, struct Sound_Source* entity);
+
+void sound_source_validate_instance(struct Sound* sound, struct Sound_Source* entity)
 {
 	if(!sound_source_instance_is_valid(sound, entity->source_instance))
 	{
 		entity->source_instance = sound_source_instance_create(sound, entity->source_buffer, true);
-		vec3 abs_position = { 0.f };
-		transform_get_absolute_position(entity, &abs_position);
-		sound_source_instance_update_position(sound, entity->source_instance, abs_position);
+		sound_source_apply_params_to_instance(sound, entity);
 	}
 }
 
+void sound_source_apply_params_to_instance(struct Sound* sound, struct Sound_Source* entity)
+{
+	// This function assumes that the handle to the sound source is valid 
+	vec3 abs_position = { 0.f };
+	transform_get_absolute_position(entity, &abs_position);
+	sound_source_instance_update_position(sound, entity->source_instance, abs_position);
+	sound_source_instance_loop_set(sound, entity->source_instance, entity->loop);
+	sound_source_instance_min_max_distance_set(sound, entity->source_instance, entity->min_distance, entity->max_distance);
+	sound_source_instance_attenuation_set(sound, entity->source_instance, entity->attenuation_type, entity->rolloff_factor);
+	sound_source_instance_volume_set(sound, entity->source_instance, entity->volume);
+}
+
 void sound_source_play(struct Sound* sound, struct Sound_Source* entity)
 {
 	sound_source_validate_instance(sound, entity);
@@ -34,7 +47,7 @@ void sound_source_stop(struct Sound* sound, struct Sound_Source* entity)
 	sound_source_instance_stop(sound, entity->source_instance);
 }
 
-void sound_source_update(struct Sound* sound, struct Sound_Source* entity)
+void sound_source_update_position(struct Sound* sound, struct Sound_Source* entity)
 {
 	if(sound_source_instance_is_valid(sound, entity->source_instance))
 	{
@@ -43,3 +56,25 @@ void sound_source_update(struct Sound* sound, struct Sound_Source* entity)
 		sound_source_instance_update_position(sound, entity->source_instance, abs_position);
 	}
 }
+
+void sound_source_buffer_set(struct Sound* sound, struct Sound_Source* entity, const char* filename, int type)
+{
+	if(entity->source_buffer)
+	{
+		struct Sound_Source_Buffer* new_buffer = sound_source_buffer_create(sound, filename, type);
+		if(new_buffer)
+		{
+			sound_source_instance_destroy(sound, entity->source_instance);
+			sound_source_buffer_destroy(sound, entity->source_buffer);
+
+			entity->source_buffer = new_buffer;
+			entity->type = type;
+			entity->source_instance = sound_source_instance_create(sound, entity->source_buffer, true);
+			sound_source_apply_params_to_instance(sound, entity);
+		}
+		else
+		{
+			log_error("sound_source:buffer_set", "Failed to set buffer for %s", entity->base.name);
+		}
+	}
+}

src/game/sound_source.h

@@ -7,6 +7,7 @@ struct Sound;
 void sound_source_play(struct Sound* sound, struct Sound_Source* entity);
 void sound_source_pause(struct Sound* sound, struct Sound_Source* entity);
 void sound_source_stop(struct Sound* sound, struct Sound_Source* entity);
-void sound_source_update(struct Sound* sound, struct Sound_Source* entity);
+void sound_source_update_position(struct Sound* sound, struct Sound_Source* entity);
+void sound_source_buffer_set(struct Sound* sound, struct Sound_Source* entity);
 
 #endif

src/system/sound.c

@@ -195,7 +195,7 @@ struct Sound_Source_Buffer* sound_source_buffer_create(struct Sound* sound, cons
 	if(!filename) 
 		return NULL;
 
-	struct Sound_Source_Buffer* source = sound_source_buffer(sound, filename);
+	struct Sound_Source_Buffer* source = sound_source_buffer_get(sound, filename);
 
 	// See if we've already loaded this file otherwise, get the next empty slot.
 	// If we can't find an empty slot, print error and return NULL
@@ -269,7 +269,7 @@ struct Sound_Source_Buffer* sound_source_buffer_create(struct Sound* sound, cons
 	return source;
 }
 
-struct Sound_Source_Buffer* sound_source_buffer(struct Sound* sound, const char* name)
+struct Sound_Source_Buffer* sound_source_buffer_get(struct Sound* sound, const char* name)
 {
 	struct Sound_Source_Buffer* source = NULL;
 	for(int i = 0; i < MAX_SOUND_BUFFERS; i++)

src/system/sound.h

@@ -70,7 +70,7 @@ bool  sound_source_instance_loop_get(struct Sound* sound, uint source_instance);
 bool  sound_source_instance_is_paused(struct Sound* sound, uint source_instance);
 
 struct Sound_Source_Buffer* sound_source_buffer_create(struct Sound* sound, const char* filename, int type);
-struct Sound_Source_Buffer* sound_source_buffer(struct Sound* sound, const char* name);
+struct Sound_Source_Buffer* sound_source_buffer_get(struct Sound* sound, const char* name);
 int                         sound_source_buffer_play_3d(struct Sound* sound, struct Sound_Source_Buffer* source, vec3 position);
 int                         sound_source_buffer_play_clocked_3d(struct Sound* sound, struct Sound_Source_Buffer* source, float delay, vec3 position);
 void                        sound_source_buffer_destroy(struct Sound* sound, struct Sound_Source_Buffer* source);

todo.txt

@@ -1,6 +1,5 @@
 Todo:
 	- Imlement reading/writing enemy mesh and weapon sound to file and resetting it in code
-	- Apply sound source properties to source instance whenever a new instance is created
 	- Enemy ray casting and shooting
 	- Player shooting
 	- Player jump cooldown, don't allow jump until a certian time interval has passed, even if we're grounded
@@ -402,3 +401,4 @@ Done:
 	* Move player movement related variables from function to player struct and load them from config file
 	* Screen mouse coordinates to world-coordinates for aiming
 	* Sound source entity functions that automatically track if handles are valid and create/update as necessary
+	* Apply sound source properties to source instance whenever a new instance is created