Dumb rotation refactor

code/asteroid/asteroid.cpp

@@ -329,6 +329,11 @@ object *asteroid_create(asteroid_field *asfieldp, int asteroid_type, int asteroi
 	}
 
 	asp->objnum = objnum;
+	asp->model_instance_num = -1;
+
+	if (model_get(asip->model_num[asteroid_subtype])->flags & PM_FLAG_HAS_DUMB_ROTATE) {
+		asp->model_instance_num = model_create_instance(false, asip->model_num[asteroid_subtype]);
+	}
 
 	// Add to Asteroid_used_list
 	asteroid_obj_list_add(objnum);
@@ -828,10 +833,12 @@ void asteroid_delete( object * obj )
 
 	asp = &Asteroids[num];
 
-	Assert( Num_asteroids >= 0 );
+	if (asp->model_instance_num >= 0)
+		model_delete_instance(asp->model_instance_num);
 
 	asp->flags = 0;
 	Num_asteroids--;
+	Assert(Num_asteroids >= 0);
 
 	asteroid_obj_list_remove( obj );
 }
@@ -930,7 +937,7 @@ int asteroid_check_collision(object *pasteroid, object *other_obj, vec3d *hitpos
 	if ( asteroid_hit_info == NULL ) {
 		// asteroid weapon collision
 		Assert( other_obj->type == OBJ_WEAPON );
-		mc.model_instance_num = -1;
+		mc.model_instance_num = Asteroids[num].model_instance_num;
 		mc.model_num = Asteroid_info[Asteroids[num].asteroid_type].model_num[asteroid_subtype];	// Fill in the model to check
 		model_clear_instance( mc.model_num );
 		mc.orient = &pasteroid->orient;					// The object's orient
@@ -1107,7 +1114,7 @@ int asteroid_check_collision(object *pasteroid, object *other_obj, vec3d *hitpos
 
 	} else {
 		// Asteroid is heavier obj
-		mc.model_instance_num = -1;
+		mc.model_instance_num = Asteroids[num].model_instance_num;
 		mc.model_num = Asteroid_info[Asteroids[num].asteroid_type].model_num[asteroid_subtype];		// Fill in the model to check
 		model_clear_instance( mc.model_num );
 		mc.orient = &pasteroid->orient;				// The object's orient

code/asteroid/asteroid.h

@@ -98,6 +98,7 @@ class asteroid_info
 typedef	struct asteroid {
 	int		flags;
 	int		objnum;
+	int		model_instance_num;
 	int		asteroid_type;		// 0..MAX_DEBRIS_TYPES
 	int		asteroid_subtype;	// Index in asteroid_info for modelnum and modelp
 	int		check_for_wrap;		// timestamp to check for asteroid wrapping around field

code/fred2/management.cpp

@@ -135,6 +135,7 @@ int query_ship_name_duplicate(int ship);
 char *reg_read_string( char *section, char *name, char *default_value );
 
 extern int Nmodel_num;
+extern int Nmodel_instance_num;
 extern matrix Nmodel_orient;
 extern int Nmodel_bitmap;
 
@@ -955,6 +956,7 @@ void clear_mission()
 
 	Nmodel_flags = DEFAULT_NMODEL_FLAGS;
 	Nmodel_num = -1;
+	Nmodel_instance_num = -1;
 	vm_set_identity(&Nmodel_orient);
 	Nmodel_bitmap = -1;
 

code/model/model.h

@@ -35,6 +35,7 @@ extern int model_render_flags_size;
 #define MOVEMENT_TYPE_ROT_SPECIAL		2	// for turrets only
 #define MOVEMENT_TYPE_TRIGGERED			3	//triggered rotation
 #define MOVEMENT_TYPE_LOOK_AT			4	// the subobject is always looking at a 'look at' subobject, as best it can - Bobboau
+#define MOVEMENT_TYPE_DUMB_ROTATE		5
 
 
 // DA 11/13/98 Reordered to account for difference between max and game
@@ -121,19 +122,18 @@ typedef struct polymodel_instance {
 #define MSS_FLAG_NO_SS_TARGETING	(1 << 16)		// toggles the subsystem targeting for the turret
 #define MSS_FLAG_TURRET_RESET_IDLE	(1 << 17)		// makes turret reset to their initial position if the target is out of field of view
 #define MSS_FLAG_TURRET_ALT_MATH	(1 << 18)		// tells the game to use additional calculations should turret have a defined y fov
-#define MSS_FLAG_DUM_ROTATES		(1 << 19)		// Bobboau
-#define MSS_FLAG_CARRY_SHOCKWAVE	(1 << 20)		// subsystem - even with 'carry no damage' flag - will carry shockwave damage to the hull
-#define MSS_FLAG_ALLOW_LANDING		(1 << 21)		// This subsystem can be landed on
-#define MSS_FLAG_FOV_EDGE_CHECK		(1 << 22)		// Tells the game to use better FOV edge checking with this turret
-#define MSS_FLAG_FOV_REQUIRED		(1 << 23)		// Tells game not to allow this turret to attempt targeting objects out of FOV
-#define MSS_FLAG_NO_REPLACE			(1 << 24)		// set the subsys not to draw replacement ('destroyed') model
-#define MSS_FLAG_NO_LIVE_DEBRIS		(1 << 25)		// sets the subsys not to release live debris
-#define MSS_FLAG_IGNORE_IF_DEAD		(1 << 26)		// tells homing missiles to ignore the subsys if its dead and home on to hull instead of earlier subsys pos
-#define MSS_FLAG_ALLOW_VANISHING	(1 << 27)		// allows subsystem to vanish (prevents explosions & sounds effects from being played)
-#define MSS_FLAG_DAMAGE_AS_HULL		(1 << 28)		// applies armor damage to subsystem instead of subsystem damage - FUBAR
-#define MSS_FLAG_TURRET_LOCKED      (1 << 29)       // Turret starts locked by default - Sushi
-#define MSS_FLAG_NO_AGGREGATE		(1 << 30)		// Don't include with aggregate subsystem types - Goober5000
-#define MSS_FLAG_TURRET_ANIM_WAIT   (1 << 31)		// Turret won't fire until animation is complete - Sushi
+#define MSS_FLAG_CARRY_SHOCKWAVE	(1 << 19)		// subsystem - even with 'carry no damage' flag - will carry shockwave damage to the hull
+#define MSS_FLAG_ALLOW_LANDING		(1 << 20)		// This subsystem can be landed on
+#define MSS_FLAG_FOV_EDGE_CHECK		(1 << 21)		// Tells the game to use better FOV edge checking with this turret
+#define MSS_FLAG_FOV_REQUIRED		(1 << 22)		// Tells game not to allow this turret to attempt targeting objects out of FOV
+#define MSS_FLAG_NO_REPLACE			(1 << 23)		// set the subsys not to draw replacement ('destroyed') model
+#define MSS_FLAG_NO_LIVE_DEBRIS		(1 << 24)		// sets the subsys not to release live debris
+#define MSS_FLAG_IGNORE_IF_DEAD		(1 << 25)		// tells homing missiles to ignore the subsys if its dead and home on to hull instead of earlier subsys pos
+#define MSS_FLAG_ALLOW_VANISHING	(1 << 26)		// allows subsystem to vanish (prevents explosions & sounds effects from being played)
+#define MSS_FLAG_DAMAGE_AS_HULL		(1 << 27)		// applies armor damage to subsystem instead of subsystem damage - FUBAR
+#define MSS_FLAG_TURRET_LOCKED      (1 << 28)       // Turret starts locked by default - Sushi
+#define MSS_FLAG_NO_AGGREGATE		(1 << 29)		// Don't include with aggregate subsystem types - Goober5000
+#define MSS_FLAG_TURRET_ANIM_WAIT   (1 << 30)		// Turret won't fire until animation is complete - Sushi
 
 #define MSS_FLAG2_PLAYER_TURRET_SOUND			 (1 << 0)
 #define MSS_FLAG2_TURRET_ONLY_TARGET_IF_CAN_FIRE (1 << 1)	// Turrets only target things they're allowed to shoot at (e.g. if check-hull fails, won't keep targeting)
@@ -300,7 +300,7 @@ class bsp_info
 public:
 	bsp_info()
 		: movement_type(-1), movement_axis(0), can_move(false), bsp_data_size(0), bsp_data(NULL), collision_tree_index(-1),
-		rad(0.0f), blown_off(0), my_replacement(-1), i_replace(-1), is_live_debris(0), num_live_debris(0), sii(NULL),
+		rad(0.0f), blown_off(0), my_replacement(-1), i_replace(-1), is_live_debris(0), num_live_debris(0),
 		is_thruster(0), is_damaged(0), parent(-1), num_children(0), first_child(-1), next_sibling(-1), num_details(0),
 		num_arcs(0), outline_buffer(NULL), n_verts_outline(0), render_sphere_radius(0.0f), use_render_box(0), use_render_box_offset(false),
 		use_render_sphere(0), use_render_sphere_offset(false), gun_rotation(false), no_collisions(false),
@@ -352,8 +352,6 @@ class bsp_info
 	int		num_live_debris;		// num live debris models assocaiated with a submodel
 	int		live_debris[MAX_LIVE_DEBRIS];	// array of live debris submodels for a submodel
 
-	submodel_instance_info	*sii;	// stuff needed for collision from rotations
-
 	int		is_thruster;
 	int		is_damaged;
 
@@ -623,6 +621,7 @@ typedef struct insignia {
 #define PM_FLAG_AUTOCEN				(1<<1)					// contains autocentering info	
 #define PM_FLAG_TRANS_BUFFER		(1<<2)					// render transparency buffer
 #define PM_FLAG_BATCHED				(1<<3)					// this model can be batch rendered
+#define PM_FLAG_HAS_DUMB_ROTATE		(1<<4)					// whether this model has a dumb-rotate submodel somewhere
 
 // Goober5000
 class texture_info
@@ -831,7 +830,7 @@ void model_instance_free_all();
 // Loads a model from disk and returns the model number it loaded into.
 int model_load(char *filename, int n_subsystems, model_subsystem *subsystems, int ferror = 1, int duplicate = 0);
 
-int model_create_instance(int model_num);
+int model_create_instance(bool is_ship, int model_num);
 void model_delete_instance(int model_instance_num);
 
 // Goober5000
@@ -998,7 +997,8 @@ extern void model_make_turret_matrix(int model_num, model_subsystem * turret );
 
 // Rotates the angle of a submodel.  Use this so the right unlocked axis
 // gets stuffed.
-extern void submodel_rotate(model_subsystem *psub, submodel_instance_info * sii);
+extern void submodel_rotate(model_subsystem *psub, submodel_instance_info *sii);
+extern void submodel_rotate(bsp_info *sm, submodel_instance_info *sii);
 
 // Rotates the angle of a submodel.  Use this so the right unlocked axis
 // gets stuffed.  Does this for stepped rotations
@@ -1054,8 +1054,8 @@ void model_set_instance_info(submodel_instance_info *sii, float turn_rate, float
 extern void model_clear_instance_info(submodel_instance_info * sii);
 
 // Sets the submodel instance data in a submodel
-extern void model_set_instance(int model_num, int sub_model_num, submodel_instance_info * sii, int flags = 0 );
-extern void model_set_instance_techroom(int model_num, int sub_model_num, float angle_1, float angle_2 );
+extern void model_set_instance(int model_num, int sub_model_num, submodel_instance_info *sii, int flags = 0);
+extern void model_set_instance_techroom(int model_num, int sub_model_num, float angle_1, float angle_2);
 
 void model_update_instance(int model_instance_num, int sub_model_num, submodel_instance_info *sii, int flags);
 void model_instance_dumb_rotation(int model_instance_num);
@@ -1370,7 +1370,7 @@ void model_finish_cloak(int full_cloak);
 
 void model_do_look_at(int model_num); //Bobboau
 
-void model_do_dumb_rotation(int modelnum); //Bobboau
+void model_do_dumb_rotations(int model_instance_num = -1);
 
 int model_should_render_engine_glow(int objnum, int bank_obj);
 

code/model/modelinterp.cpp

@@ -2011,8 +2011,6 @@ void model_render_DEPRECATED(int model_num, matrix *orient, vec3d * pos, uint fl
 
 	polymodel *pm = model_get(model_num);
 
-	model_do_dumb_rotation(model_num);
-
 	if (flags & MR_FORCE_CLAMP)
 		gr_set_texture_addressing(TMAP_ADDRESS_CLAMP);