--- /dev/null
+#ifndef ENT_OBJECTIVE_C
+#define ENT_OBJECTIVE_C
+
+#include "world.h"
+#include "world_load.h"
+#include "entity.h"
+
+VG_STATIC void ent_objective_pass( world_instance *world,
+ ent_objective *objective ){
+ if( objective->id_next ){
+ world->challenge_timer += objective->filter;
+
+ u32 index = mdl_entity_id_id( objective->id_next );
+ ent_objective *next = mdl_arritm( &world->ent_objective, index );
+ world->challenge_target = next;
+
+ if( next->filter & k_ent_objective_filter_passthrough )
+ ent_objective_pass( world, next );
+ else
+ vg_info( "pass challenge point\n" );
+ }
+ else {
+ vg_success( "NYU Film school graduate SUCKAH\n" );
+ world->challenge_target = NULL;
+ world->challenge_timer = 0.0f;
+
+ if( objective->id_win ){
+ ent_call call;
+ call.data = NULL;
+ call.function = objective->win_event;
+ call.id = objective->id_win;
+ entity_call( world, &call );
+ }
+ }
+}
+
+VG_STATIC int ent_objective_check_filter( ent_objective *objective ){
+ if( objective->filter ){
+ struct player_skate_state *s = &localplayer._skate.state;
+ enum trick_type trick = s->trick_type;
+
+ u32 state = 0x00;
+
+ if( trick == k_trick_type_shuvit )
+ state |= k_ent_objective_filter_trick_shuvit;
+ if( trick == k_trick_type_treflip )
+ state |= k_ent_objective_filter_trick_treflip;
+ if( trick == k_trick_type_kickflip )
+ state |= k_ent_objective_filter_trick_kickflip;
+
+ if( s->flip_rate < -0.0001f ) state |= k_ent_objective_filter_flip_back;
+ if( s->flip_rate > 0.0001f ) state |= k_ent_objective_filter_flip_front;
+
+ if( s->activity == k_skate_activity_grind_5050 ||
+ s->activity == k_skate_activity_grind_back50 ||
+ s->activity == k_skate_activity_grind_front50 )
+ state |= k_ent_objective_filter_grind_truck_any;
+
+ if( s->activity == k_skate_activity_grind_boardslide )
+ state |= k_ent_objective_filter_grind_board_any;
+
+ return ((objective->filter & state) || !objective->filter) &&
+ ((objective->filter2 & state) || !objective->filter2);
+ }
+ else {
+ return 1;
+ }
+}
+
+VG_STATIC void ent_objective_call( world_instance *world, ent_call *call ){
+ u32 index = mdl_entity_id_id( call->id );
+ ent_objective *objective = mdl_arritm( &world->ent_objective, index );
+
+ if( call->function == 0 ){
+ if( objective->flags & k_ent_objective_hidden ) return;
+
+ if( world->challenge_target ){
+ if( (world->challenge_target == objective) &&
+ ent_objective_check_filter( objective )){
+ ent_objective_pass( world, objective );
+ }
+ else {
+ vg_error( "womp womp\n" );
+ world->challenge_target = NULL;
+ world->challenge_timer = 0.0f;
+ }
+ }
+ }
+#if 0
+ else if( call->function == 1 ){
+ if( objective->flags & k_ent_objective_hidden ) return;
+
+ vg_info( "begin the challenge\n" );
+ world->challenge_timer = 0.0f;
+ ent_objective_pass( world, objective );
+ }
+#endif
+ else if( call->function == 2 ){
+ objective->flags &= ~k_ent_objective_hidden;
+
+ if( mdl_entity_id_type( objective->id_next ) == k_ent_objective ){
+ call->id = objective->id_next;
+ entity_call( world, call );
+ }
+ }
+ else if( call->function == 3 ){
+ objective->flags |= k_ent_objective_hidden;
+
+ if( mdl_entity_id_type( objective->id_next ) == k_ent_objective ){
+ call->id = objective->id_next;
+ entity_call( world, call );
+ }
+ }
+ else {
+ vg_print_backtrace();
+ vg_error( "Unhandled function id: %u\n", call->function );
+ }
+}
+
+#endif /* ENT_OBJECTIVE_C */