fp: Add terry ghosting

feely_pona.cpp

@@ -599,10 +599,31 @@ void FP_EntityActionStateMachine(FP_Game *game, TELY_Audio *audio, TELY_Platform
                         uint64_t duration_ms = 250;
                         FP_Game_EntityActionReset(game, entity->handle, duration_ms, render_data.sprite);
                         *acceleration_meters_per_s *= 35.f;
+
+                        #if 0
+                        FP_GameRenderSprite *cosmetic_sprite = Dqn_FArray_Make(&entity->extra_cosmetic_anims, Dqn_ZeroMem_Yes);
+                        if (cosmetic_sprite) {
+                            cosmetic_sprite->asset               = TELY_Asset_MakeAnimatedSprite(sheet, g_anim_names.terry_ghost, TELY_AssetFlip_No);
+                            cosmetic_sprite->started_at_clock_ms = game->clock_ms;
+                            cosmetic_sprite->height.meters       = entity->sprite_height.meters;
+
+                            uint32_t max_rng_dist_x   = DQN_CAST(uint32_t)(FP_Game_MetersToPixelsNx1(game, entity->sprite_height.meters) * 1.f);
+                            uint32_t rng_x            = Dqn_PCG32_Range(&game->rng, DQN_CAST(uint32_t)0, max_rng_dist_x);
+                            cosmetic_sprite->offset.x = rng_x - (max_rng_dist_x * .5f);
+
+                            uint32_t max_rng_dist_y   = DQN_CAST(uint32_t)(FP_Game_MetersToPixelsNx1(game, entity->sprite_height.meters) * .25f);
+                            uint32_t rng_y            = Dqn_PCG32_Range(&game->rng, DQN_CAST(uint32_t)0, max_rng_dist_y);
+                            cosmetic_sprite->offset.y = -DQN_CAST(Dqn_f32)rng_y;
+                        }
+                        #endif
                     }
 
-                    if (action_has_finished)
+                    entity->action.sprite_alpha = Dqn_PCG32_NextF32(&game->rng);
+
+                    if (action_has_finished) {
                         FP_Game_EntityTransitionState(game, entity, FP_EntityTerryState_Run);
+                        entity->action.sprite_alpha = 1.f;
+                    }
                 } break;
             }
 
@@ -2062,7 +2083,7 @@ void FP_Render(FP_Game *game, TELY_Platform *platform, TELY_Renderer *renderer)
                                         dest_rect,
                                         Dqn_V2_Zero /*rotate origin*/,
                                         0.f /*rotate radians*/,
-                                        TELY_COLOUR_WHITE_V4);
+                                        TELY_Colour_V4Alpha(TELY_COLOUR_WHITE_V4, entity->action.sprite_alpha));
         }
 
         DQN_FOR_UINDEX(anim_index, entity->extra_cosmetic_anims.size) {

feely_pona.h

@@ -93,6 +93,7 @@ struct FP_GlobalAnimations
     Dqn_String8 terry_attack_phone_side    = DQN_STRING8("terry_attack_phone_side");
     Dqn_String8 terry_attack_phone_down    = DQN_STRING8("terry_attack_phone_down");
     Dqn_String8 terry_attack_phone_message = DQN_STRING8("terry_attack_phone_message");
+    Dqn_String8 terry_ghost                = DQN_STRING8("terry_ghost");
     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");

feely_pona_entity_create.cpp

@@ -58,8 +58,17 @@ FP_EntityRenderData FP_Entity_GetRenderData(FP_Game *game, FP_EntityType type, u
                     }
                 } break;
 
-                case FP_EntityTerryState_Run: /*FALLTHRU*/
                 case FP_EntityTerryState_Dash: {
+                    switch (direction) {
+                        case FP_GameDirection_Up:    result.anim_name = g_anim_names.terry_ghost; break;
+                        case FP_GameDirection_Down:  result.anim_name = g_anim_names.terry_ghost; break;
+                        case FP_GameDirection_Left:  result.anim_name = g_anim_names.terry_ghost; break;
+                        case FP_GameDirection_Right: result.anim_name = g_anim_names.terry_ghost; result.flip = TELY_AssetFlip_X; break;
+                        case FP_GameDirection_Count: DQN_INVALID_CODE_PATH; break;
+                    }
+                } break;
+
+                case FP_EntityTerryState_Run: {
                     switch (direction) {
                         case FP_GameDirection_Up:    result.anim_name = g_anim_names.terry_walk_up;    break;
                         case FP_GameDirection_Down:  result.anim_name = g_anim_names.terry_walk_down;  break;

feely_pona_game.cpp

@@ -223,6 +223,7 @@ static FP_GameEntity *FP_Game_MakeEntityPointerFV(FP_Game *game, DQN_FMT_STRING_
     result->parent               = FP_Game_ActiveParentEntityPointer(game);
     result->name                 = TELY_ChunkPool_AllocFmtFV(game->chunk_pool, fmt, args);
     result->buildings_visited    = FP_SentinelList_Init<FP_GameEntityHandle>(game->chunk_pool);
+    result->action.sprite_alpha  = 1.f;
 
     // NOTE: Attach entity as a child to the parent
     FP_GameEntity *parent = result->parent;

feely_pona_game.h

@@ -120,6 +120,7 @@ struct FP_GameEntityAction
     uint32_t                 state;
     uint32_t                 next_state;
     TELY_AssetAnimatedSprite sprite;
+    Dqn_f32                  sprite_alpha;
     uint64_t                 started_at_clock_ms;
     uint64_t                 end_at_clock_ms;
 };