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fp: Add mobbing behaviour to surround club terry

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This commit is contained in:
doyle 2023-09-29 21:42:27 +10:00
parent 378ef2959b
commit 158fcb12fe
5 changed files with 133 additions and 80 deletions
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108
feely_pona.cpp
View File

@ -4,38 +4,6 @@
#endif #endif
Dqn_f32 const PHYSICS_STEP = 1 / 60.f; Dqn_f32 const PHYSICS_STEP = 1 / 60.f;
struct FP_GlobalAnimations
{
Dqn_String8 terry_walk_idle = DQN_STRING8("terry_walk_idle");
Dqn_String8 terry_walk_up = DQN_STRING8("terry_walk_up");
Dqn_String8 terry_walk_down = DQN_STRING8("terry_walk_down");
Dqn_String8 terry_walk_left = DQN_STRING8("terry_walk_left");
Dqn_String8 terry_walk_right = DQN_STRING8("terry_walk_right");
Dqn_String8 terry_attack_up = DQN_STRING8("terry_attack_up");
Dqn_String8 terry_attack_side = DQN_STRING8("terry_attack_side");
Dqn_String8 terry_attack_down = DQN_STRING8("terry_attack_down");
Dqn_String8 terry_merchant = DQN_STRING8("terry_merchant");
Dqn_String8 smoochie_walk_up = DQN_STRING8("smoochie_walk_up");
Dqn_String8 smoochie_walk_down = DQN_STRING8("smoochie_walk_down");
Dqn_String8 smoochie_walk_left = DQN_STRING8("smoochie_walk_left");
Dqn_String8 smoochie_walk_right = DQN_STRING8("smoochie_walk_right");
Dqn_String8 smoochie_attack_down = DQN_STRING8("smoochie_attack_down");
Dqn_String8 smoochie_hurt_side = DQN_STRING8("smoochie_hurt_side");
Dqn_String8 smoochie_attack_heart = DQN_STRING8("smoochie_attack_heart");
Dqn_String8 smoochie_death = DQN_STRING8("smoochie_death");
Dqn_String8 clinger_attack_down = DQN_STRING8("clinger_attack_down");
Dqn_String8 clinger_attack_side = DQN_STRING8("clinger_attack_side");
Dqn_String8 clinger_attack_up = DQN_STRING8("clinger_attack_up");
Dqn_String8 clinger_death = DQN_STRING8("clinger_death");
Dqn_String8 clinger_walk_up = DQN_STRING8("clinger_walk_up");
Dqn_String8 clinger_walk_down = DQN_STRING8("clinger_walk_down");
Dqn_String8 club_terry_alive = DQN_STRING8("club_terry_alive");
Dqn_String8 club_terry_dark = DQN_STRING8("club_terry_dark");
}
g_anim_names;
TELY_AssetSpriteSheet FP_LoadSpriteSheetFromSpec(TELY_Platform *platform, TELY_Assets *assets, Dqn_Arena *arena, Dqn_String8 sheet_name) TELY_AssetSpriteSheet FP_LoadSpriteSheetFromSpec(TELY_Platform *platform, TELY_Assets *assets, Dqn_Arena *arena, Dqn_String8 sheet_name)
{ {
@ -964,8 +932,10 @@ void FP_Update(TELY_Platform *platform, FP_Game *game, TELY_PlatformInput *input
move_entity = *state == FP_EntityClingerState_Run || *state == FP_EntityClingerState_Idle; move_entity = *state == FP_EntityClingerState_Run || *state == FP_EntityClingerState_Idle;
} break; } break;
case FP_EntityType_Merchant: break; case FP_EntityType_Merchant: break;
case FP_EntityType_Nil: break; case FP_EntityType_Nil: break;
case FP_EntityType_ClubTerry: break;
case FP_EntityType_Count: break;
} }
if (move_entity) { if (move_entity) {
@ -988,30 +958,14 @@ void FP_Update(TELY_Platform *platform, FP_Game *game, TELY_PlatformInput *input
Dqn_V2 entity_pos = FP_Game_CalcEntityWorldPos(game, entity->handle); Dqn_V2 entity_pos = FP_Game_CalcEntityWorldPos(game, entity->handle);
if (entity->flags & FP_GameEntityFlag_AggrosWhenNearTerry) { if (entity->flags & FP_GameEntityFlag_AggrosWhenNearTerry) {
Dqn_f32 closest_terry_dist = DQN_F32_MAX; FP_GameFindClosestEntityResult closest_result = FP_Game_FindClosestEntityWithType(game, entity->handle, FP_EntityType_Terry);
Dqn_V2 closest_terry_pos = Dqn_V2_InitNx1(DQN_F32_MAX); if (closest_result.dist_squared < DQN_SQUARED(FP_Game_MetersToPixelsNx1(game, 4.f))) {
FP_GameEntity *closest_terry = nullptr;
for (FP_GameEntityIterator terry_it = {}; FP_Game_DFSPostOrderWalkEntityTree(game, &terry_it, game->root_entity); ) {
FP_GameEntity *terry = terry_it.entity;
if (terry->type != FP_EntityType_Terry)
continue;
Dqn_V2 terry_pos = FP_Game_CalcEntityWorldPos(game, terry->handle);
Dqn_f32 dist_to_terry = Dqn_V2_LengthSq_V2x2(terry_pos, entity_pos);
if (dist_to_terry < closest_terry_dist) {
closest_terry_pos = terry_pos;
closest_terry_dist = dist_to_terry;
closest_terry = terry;
}
}
if (closest_terry_dist < DQN_SQUARED(FP_Game_MetersToPixelsNx1(game, 4.f))) {
FP_SentinelListLink<FP_GameWaypoint> *first_waypoint = FP_SentinelList_Front(&entity->waypoints); FP_SentinelListLink<FP_GameWaypoint> *first_waypoint = FP_SentinelList_Front(&entity->waypoints);
if (first_waypoint->data.entity != closest_terry->handle) { if (first_waypoint->data.entity != closest_result.entity) {
FP_GameEntity *terry = FP_Game_GetEntity(game, closest_result.entity);
FP_GameDirection aggro_direction = FP_GameDirection_Count; FP_GameDirection aggro_direction = FP_GameDirection_Count;
DQN_FOR_UINDEX(dir_index, FP_GameDirection_Count) { DQN_FOR_UINDEX(dir_index, FP_GameDirection_Count) {
FP_GameEntityHandle slot_entity_handle = closest_terry->aggro_slot[dir_index]; FP_GameEntityHandle slot_entity_handle = terry->aggro_slot[dir_index];
FP_GameEntity *slot_entity = FP_Game_GetEntity(game, slot_entity_handle); FP_GameEntity *slot_entity = FP_Game_GetEntity(game, slot_entity_handle);
if (FP_Game_IsNilEntity(slot_entity)) { if (FP_Game_IsNilEntity(slot_entity)) {
aggro_direction = DQN_CAST(FP_GameDirection)dir_index; aggro_direction = DQN_CAST(FP_GameDirection)dir_index;
@ -1021,17 +975,33 @@ void FP_Update(TELY_Platform *platform, FP_Game *game, TELY_PlatformInput *input
FP_SentinelListLink<FP_GameWaypoint> *link = FP_SentinelList_MakeBefore(&entity->waypoints, first_waypoint, game->chunk_pool); FP_SentinelListLink<FP_GameWaypoint> *link = FP_SentinelList_MakeBefore(&entity->waypoints, first_waypoint, game->chunk_pool);
FP_GameWaypoint *waypoint = &link->data; FP_GameWaypoint *waypoint = &link->data;
waypoint->entity = closest_terry->handle; waypoint->entity = terry->handle;
if (aggro_direction != FP_GameDirection_Count) { if (aggro_direction != FP_GameDirection_Count) {
waypoint->type = FP_GameWaypointType_Side; waypoint->type = FP_GameWaypointType_Side;
waypoint->type_direction = aggro_direction; waypoint->type_direction = aggro_direction;
closest_terry->aggro_slot[aggro_direction] = entity->handle; terry->aggro_slot[aggro_direction] = entity->handle;
} }
} }
} }
} }
if (entity->flags & FP_GameEntityFlag_RespondsToClubTerry) {
FP_GameFindClosestEntityResult closest_result = FP_Game_FindClosestEntityWithType(game, entity->handle, FP_EntityType_ClubTerry);
if (closest_result.dist_squared < DQN_SQUARED(FP_Game_MetersToPixelsNx1(game, 4.f))) {
FP_SentinelListLink<FP_GameWaypoint> *first_waypoint = FP_SentinelList_Front(&entity->waypoints);
if (first_waypoint->data.entity != closest_result.entity) {
FP_GameEntity *club_terry = FP_Game_GetEntity(game, closest_result.entity);
FP_SentinelListLink<FP_GameWaypoint> *link = FP_SentinelList_MakeBefore(&entity->waypoints, first_waypoint, game->chunk_pool);
FP_GameWaypoint *waypoint = &link->data;
waypoint->entity = club_terry->handle;
waypoint->type = FP_GameWaypointType_Side;
waypoint->type_direction = FP_GameDirection_Down;
}
}
}
while (entity->waypoints.size) { while (entity->waypoints.size) {
FP_SentinelListLink<FP_GameWaypoint> *waypoint_link = entity->waypoints.sentinel->next; FP_SentinelListLink<FP_GameWaypoint> *waypoint_link = entity->waypoints.sentinel->next;
FP_GameWaypoint const *waypoint = &waypoint_link->data; FP_GameWaypoint const *waypoint = &waypoint_link->data;
@ -1051,7 +1021,7 @@ void FP_Update(TELY_Platform *platform, FP_Game *game, TELY_PlatformInput *input
Dqn_f32 arrival_threshold = {}; Dqn_f32 arrival_threshold = {};
switch (waypoint->arrive) { switch (waypoint->arrive) {
case FP_GameWaypointArrive_Default: { case FP_GameWaypointArrive_Default: {
arrival_threshold = FP_Game_MetersToPixelsNx1(game, 1.f); arrival_threshold = FP_Game_MetersToPixelsNx1(game, 0.5f);
} break; } break;
case FP_GameWaypointArrive_WhenWithinEntitySize: { case FP_GameWaypointArrive_WhenWithinEntitySize: {
@ -1067,14 +1037,11 @@ void FP_Update(TELY_Platform *platform, FP_Game *game, TELY_PlatformInput *input
} }
// NOTE: We have arrived at the waypoint // NOTE: We have arrived at the waypoint
if ((entity->flags & FP_GameEntityFlag_AggrosWhenNearTerry) && waypoint_entity->type == FP_EntityType_Terry) { bool aggro_on_terry = (entity->flags & FP_GameEntityFlag_AggrosWhenNearTerry) && waypoint_entity->type == FP_EntityType_Terry;
// NOTE: We had a waypoint to move to Terry because he has bool club_terry_response = (entity->flags & FP_GameEntityFlag_RespondsToClubTerry) && waypoint_entity->type == FP_EntityType_ClubTerry;
// drawn our aggro and we've arrived at Terry if (aggro_on_terry || club_terry_response) {
bool can_attack = !entity->is_dying; // TODO(doyle): State transition needs to check if it's valid to move to making this not necessary
bool can_attack = !entity->is_dying;
if (can_attack) { if (can_attack) {
Dqn_V2 attack_dir_vectors[FP_GameDirection_Count] = {}; Dqn_V2 attack_dir_vectors[FP_GameDirection_Count] = {};
attack_dir_vectors[FP_GameDirection_Up] = Dqn_V2_InitNx2(+0, -1); attack_dir_vectors[FP_GameDirection_Up] = Dqn_V2_InitNx2(+0, -1);
attack_dir_vectors[FP_GameDirection_Down] = Dqn_V2_InitNx2(+0, +1); attack_dir_vectors[FP_GameDirection_Down] = Dqn_V2_InitNx2(+0, +1);
@ -1117,7 +1084,8 @@ void FP_Update(TELY_Platform *platform, FP_Game *game, TELY_PlatformInput *input
entity->direction = best_attack_dir; entity->direction = best_attack_dir;
} break; } break;
case FP_EntityType_Count: DQN_INVALID_CODE_PATH; break; case FP_EntityType_Count: DQN_INVALID_CODE_PATH; break;
case FP_EntityType_ClubTerry: break;
} }
} }
@ -1195,6 +1163,7 @@ void FP_Update(TELY_Platform *platform, FP_Game *game, TELY_PlatformInput *input
FP_GameEntity *mob = FP_Game_GetEntity(game, link->data); FP_GameEntity *mob = FP_Game_GetEntity(game, link->data);
mob->waypoints = FP_SentinelList_Init<FP_GameWaypoint>(game->chunk_pool); mob->waypoints = FP_SentinelList_Init<FP_GameWaypoint>(game->chunk_pool);
mob->flags |= FP_GameEntityFlag_AggrosWhenNearTerry; mob->flags |= FP_GameEntityFlag_AggrosWhenNearTerry;
mob->flags |= FP_GameEntityFlag_RespondsToClubTerry;
for (FP_GameEntity *waypoint_entity = entity->first_child; waypoint_entity; waypoint_entity = waypoint_entity->next) { for (FP_GameEntity *waypoint_entity = entity->first_child; waypoint_entity; waypoint_entity = waypoint_entity->next) {
if ((waypoint_entity->flags & FP_GameEntityFlag_MobSpawnerWaypoint) == 0) if ((waypoint_entity->flags & FP_GameEntityFlag_MobSpawnerWaypoint) == 0)
@ -1245,7 +1214,8 @@ void FP_Update(TELY_Platform *platform, FP_Game *game, TELY_PlatformInput *input
case FP_EntityType_Nil: /*FALLTRHU*/ case FP_EntityType_Nil: /*FALLTRHU*/
case FP_EntityType_Terry: /*FALLTRHU*/ case FP_EntityType_Terry: /*FALLTRHU*/
case FP_EntityType_Merchant: /*FALLTRHU*/ case FP_EntityType_Merchant: /*FALLTRHU*/
case FP_EntityType_Count: break; case FP_EntityType_Count: break;
case FP_EntityType_ClubTerry: break;
} }
if (!permit_attack) if (!permit_attack)

33
feely_pona.h
View File

@ -21,3 +21,36 @@ struct FP_Meters
Dqn_f32 meters; Dqn_f32 meters;
}; };
struct FP_GlobalAnimations
{
Dqn_String8 terry_walk_idle = DQN_STRING8("terry_walk_idle");
Dqn_String8 terry_walk_up = DQN_STRING8("terry_walk_up");
Dqn_String8 terry_walk_down = DQN_STRING8("terry_walk_down");
Dqn_String8 terry_walk_left = DQN_STRING8("terry_walk_left");
Dqn_String8 terry_walk_right = DQN_STRING8("terry_walk_right");
Dqn_String8 terry_attack_up = DQN_STRING8("terry_attack_up");
Dqn_String8 terry_attack_side = DQN_STRING8("terry_attack_side");
Dqn_String8 terry_attack_down = DQN_STRING8("terry_attack_down");
Dqn_String8 terry_merchant = DQN_STRING8("terry_merchant");
Dqn_String8 smoochie_walk_up = DQN_STRING8("smoochie_walk_up");
Dqn_String8 smoochie_walk_down = DQN_STRING8("smoochie_walk_down");
Dqn_String8 smoochie_walk_left = DQN_STRING8("smoochie_walk_left");
Dqn_String8 smoochie_walk_right = DQN_STRING8("smoochie_walk_right");
Dqn_String8 smoochie_attack_down = DQN_STRING8("smoochie_attack_down");
Dqn_String8 smoochie_hurt_side = DQN_STRING8("smoochie_hurt_side");
Dqn_String8 smoochie_attack_heart = DQN_STRING8("smoochie_attack_heart");
Dqn_String8 smoochie_death = DQN_STRING8("smoochie_death");
Dqn_String8 clinger_attack_down = DQN_STRING8("clinger_attack_down");
Dqn_String8 clinger_attack_side = DQN_STRING8("clinger_attack_side");
Dqn_String8 clinger_attack_up = DQN_STRING8("clinger_attack_up");
Dqn_String8 clinger_death = DQN_STRING8("clinger_death");
Dqn_String8 clinger_walk_up = DQN_STRING8("clinger_walk_up");
Dqn_String8 clinger_walk_down = DQN_STRING8("clinger_walk_down");
Dqn_String8 club_terry_alive = DQN_STRING8("club_terry_alive");
Dqn_String8 club_terry_dark = DQN_STRING8("club_terry_dark");
}
g_anim_names;

24
feely_pona_entity_create.cpp
View File

@ -14,6 +14,13 @@ static void FP_Entity_AddDebugEditorFlags(FP_Game *game, FP_GameEntityHandle han
} }
} }
static Dqn_f32 FP_Entity_CalcSpriteScaleForDesiredHeight(FP_Game *game, FP_Meters height, Dqn_Rect sprite_rect)
{
Dqn_f32 sprite_in_meters = FP_Game_PixelsToMetersNx1(game, sprite_rect.size.y);
Dqn_f32 result = height.meters / sprite_in_meters;
return result;
}
static FP_GameEntityHandle FP_Entity_CreateWaypointF(FP_Game *game, Dqn_V2 pos, DQN_FMT_STRING_ANNOTATE char const *fmt, ...) static FP_GameEntityHandle FP_Entity_CreateWaypointF(FP_Game *game, Dqn_V2 pos, DQN_FMT_STRING_ANNOTATE char const *fmt, ...)
{ {
va_list args; va_list args;
@ -48,7 +55,8 @@ static FP_GameEntityHandle FP_Entity_CreateClinger(FP_Game *game, Dqn_V2 pos, DQ
entity->is_dying = false; entity->is_dying = false;
entity->local_pos = pos; entity->local_pos = pos;
entity->sprite_height.meters = 1.6f; entity->sprite_height.meters = 1.6f;
entity->local_hit_box_size = FP_Game_MetersToPixelsNx2(game, 0.4f, 1.7f);
entity->local_hit_box_size = FP_Game_MetersToPixelsNx2(game, 0.4f, entity->sprite_height.meters * .5f);
FP_Entity_AddDebugEditorFlags(game, entity->handle); FP_Entity_AddDebugEditorFlags(game, entity->handle);
entity->flags |= FP_GameEntityFlag_NonTraversable; entity->flags |= FP_GameEntityFlag_NonTraversable;
entity->flags |= FP_GameEntityFlag_Attackable; entity->flags |= FP_GameEntityFlag_Attackable;
@ -68,7 +76,7 @@ static FP_GameEntityHandle FP_Entity_CreateSmoochie(FP_Game *game, Dqn_V2 pos, D
entity->is_dying = false; entity->is_dying = false;
entity->local_pos = pos; entity->local_pos = pos;
entity->sprite_height.meters = 1.6f; entity->sprite_height.meters = 1.6f;
entity->local_hit_box_size = FP_Game_MetersToPixelsNx2(game, 0.4f, 1.6f); entity->local_hit_box_size = FP_Game_MetersToPixelsNx2(game, 0.4f, entity->sprite_height.meters * .6f);
FP_Entity_AddDebugEditorFlags(game, entity->handle); FP_Entity_AddDebugEditorFlags(game, entity->handle);
entity->flags |= FP_GameEntityFlag_NonTraversable; entity->flags |= FP_GameEntityFlag_NonTraversable;
entity->flags |= FP_GameEntityFlag_Attackable; entity->flags |= FP_GameEntityFlag_Attackable;
@ -131,7 +139,7 @@ static FP_GameEntityHandle FP_Entity_CreateTerry(FP_Game *game, Dqn_V2 pos, DQN_
entity->type = FP_EntityType_Terry; entity->type = FP_EntityType_Terry;
entity->local_pos = pos; entity->local_pos = pos;
entity->sprite_height.meters = 1.8f; entity->sprite_height.meters = 1.8f;
entity->local_hit_box_size = FP_Game_MetersToPixelsNx2(game, 0.5f, entity->sprite_height.meters); entity->local_hit_box_size = FP_Game_MetersToPixelsNx2(game, 0.5f, entity->sprite_height.meters * .6f);
FP_Entity_AddDebugEditorFlags(game, result); FP_Entity_AddDebugEditorFlags(game, result);
entity->flags |= FP_GameEntityFlag_NonTraversable; entity->flags |= FP_GameEntityFlag_NonTraversable;
entity->flags |= FP_GameEntityFlag_Attackable; entity->flags |= FP_GameEntityFlag_Attackable;
@ -166,8 +174,14 @@ static FP_GameEntityHandle FP_Entity_CreateClubTerry(FP_Game *game, Dqn_V2 pos,
entity->type = FP_EntityType_ClubTerry; entity->type = FP_EntityType_ClubTerry;
entity->local_pos = pos; entity->local_pos = pos;
entity->local_hit_box_size = Dqn_V2_InitNx2(50, 50); entity->sprite_height.meters = 4.f;
entity->sprite_height.meters = 3.66f;
TELY_AssetSpriteAnimation *sprite_anim = TELY_Asset_GetSpriteAnimation(&game->club_terry_sprite_sheet, g_anim_names.club_terry_alive);
Dqn_Rect sprite_rect = game->club_terry_sprite_sheet.rects.data[sprite_anim->index];
Dqn_f32 size_scale = FP_Entity_CalcSpriteScaleForDesiredHeight(game, entity->sprite_height, sprite_rect);
Dqn_V2 sprite_rect_scaled = sprite_rect.size * size_scale;
entity->local_hit_box_size = Dqn_V2_InitNx2(sprite_rect_scaled.w, sprite_rect_scaled.h - (sprite_rect_scaled.h * .4f));
FP_Entity_AddDebugEditorFlags(game, result); FP_Entity_AddDebugEditorFlags(game, result);
entity->flags |= FP_GameEntityFlag_NonTraversable; entity->flags |= FP_GameEntityFlag_NonTraversable;

35
feely_pona_game.cpp
View File

@ -651,19 +651,19 @@ static Dqn_V2 FP_Game_CalcWaypointWorldPos(FP_Game *game, FP_GameWaypoint const
Dqn_Rect entity_rect = FP_Game_CalcEntityWorldHitBox(game, waypoint_entity->handle); Dqn_Rect entity_rect = FP_Game_CalcEntityWorldHitBox(game, waypoint_entity->handle);
switch (waypoint->type_direction) { switch (waypoint->type_direction) {
case FP_GameDirection_Up: { case FP_GameDirection_Up: {
result = Dqn_V2_InitNx2(entity_rect.pos.x + entity_rect.size.w * .5f, entity_rect.pos.y - entity_rect.size.h * .5f); result = Dqn_V2_InitNx2(entity_rect.pos.x + entity_rect.size.w * .5f, entity_rect.pos.y + entity_rect.size.h * .1f);
} break; } break;
case FP_GameDirection_Down: { case FP_GameDirection_Down: {
result = Dqn_V2_InitNx2(entity_rect.pos.x + entity_rect.size.w * .5f, entity_rect.pos.y + entity_rect.size.h + (entity_rect.size.h * .5f)); result = Dqn_V2_InitNx2(entity_rect.pos.x + entity_rect.size.w * .5f, entity_rect.pos.y + entity_rect.size.h + entity_rect.size.h * .1f);
} break; } break;
case FP_GameDirection_Left: { case FP_GameDirection_Left: {
result = Dqn_V2_InitNx2(entity_rect.pos.x - entity_rect.size.w * .5f, entity_rect.pos.y + entity_rect.size.h * .5f); result = Dqn_V2_InitNx2(entity_rect.pos.x - entity_rect.size.w * .1f, entity_rect.pos.y + entity_rect.size.h * .5f);
} break; } break;
case FP_GameDirection_Right: { case FP_GameDirection_Right: {
result = Dqn_V2_InitNx2(entity_rect.pos.x + entity_rect.size.w + entity_rect.size.w * .5f, entity_rect.pos.y + entity_rect.size.h * .5f); result = Dqn_V2_InitNx2(entity_rect.pos.x + entity_rect.size.w + entity_rect.size.w * .1f, entity_rect.pos.y + entity_rect.size.h * .5f);
} break; } break;
case FP_GameDirection_Count: DQN_INVALID_CODE_PATH; break; case FP_GameDirection_Count: DQN_INVALID_CODE_PATH; break;
@ -674,4 +674,31 @@ static Dqn_V2 FP_Game_CalcWaypointWorldPos(FP_Game *game, FP_GameWaypoint const
return result; return result;
} }
FP_GameFindClosestEntityResult FP_Game_FindClosestEntityWithType(FP_Game *game, FP_GameEntityHandle src_entity_handle, FP_EntityType type)
{
FP_GameFindClosestEntityResult result = {};
FP_GameEntity *src_entity = FP_Game_GetEntity(game, src_entity_handle);
if (FP_Game_IsNilEntity(src_entity))
return result;
Dqn_V2 src_pos = FP_Game_CalcEntityWorldPos(game, src_entity_handle);
result.dist_squared = DQN_F32_MAX;
result.pos = Dqn_V2_InitNx1(DQN_F32_MAX);
for (FP_GameEntityIterator it = {}; FP_Game_DFSPostOrderWalkEntityTree(game, &it, game->root_entity); ) {
FP_GameEntity *it_entity = it.entity;
if (it_entity->type != type)
continue;
Dqn_V2 pos = FP_Game_CalcEntityWorldPos(game, it_entity->handle);
Dqn_f32 dist = Dqn_V2_LengthSq_V2x2(pos, src_pos);
if (dist < result.dist_squared) {
result.pos = pos;
result.dist_squared = dist;
result.entity = it_entity->handle;
}
}
return result;
}

9
feely_pona_game.h
View File

@ -16,6 +16,7 @@ enum FP_GameEntityFlag
FP_GameEntityFlag_MobSpawnerWaypoint = 1 << 8, FP_GameEntityFlag_MobSpawnerWaypoint = 1 << 8,
FP_GameEntityFlag_AggrosWhenNearTerry = 1 << 9, FP_GameEntityFlag_AggrosWhenNearTerry = 1 << 9,
FP_GameEntityFlag_Attackable = 1 << 10, FP_GameEntityFlag_Attackable = 1 << 10,
FP_GameEntityFlag_RespondsToClubTerry = 1 << 11,
}; };
enum FP_GameShapeType enum FP_GameShapeType
@ -235,3 +236,11 @@ struct FP_GameAStarNode
Dqn_V2I came_from; Dqn_V2I came_from;
bool non_traversable; bool non_traversable;
}; };
struct FP_GameFindClosestEntityResult
{
FP_GameEntityHandle entity;
Dqn_f32 dist_squared;
Dqn_V2 pos;
};