feely_pona/feely_pona_entity_create.cpp

#if defined(__clang__)
#pragma once
#include "feely_pona_unity.h"
#endif

static void FP_Entity_AddDebugEditorFlags(FP_Game *game, FP_GameEntityHandle handle)
{
    FP_GameEntity *entity = FP_Game_GetEntity(game, handle);
    if (!FP_Game_IsNilEntity(entity)) {
        entity->flags |= FP_GameEntityFlag_Clickable;
        entity->flags |= FP_GameEntityFlag_MoveByKeyboard;
        entity->flags |= FP_GameEntityFlag_MoveByMouse;
        entity->flags |= FP_GameEntityFlag_MoveByGamepad;
    }
}

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, ...)
{
    va_list args;
    va_start(args, fmt);
    FP_GameEntity      *entity = FP_Game_MakeEntityPointerFV(game, fmt, args);
    FP_GameEntityHandle result = entity->handle;
    va_end(args);

    entity->local_pos           = pos;
    entity->local_hit_box_size  = Dqn_V2_InitNx1(32);
    FP_Entity_AddDebugEditorFlags(game, entity->handle);
    entity->flags              |= FP_GameEntityFlag_MobSpawnerWaypoint;

    FP_GameShape *shape  = Dqn_FArray_Make(&entity->shapes, Dqn_ZeroMem_Yes);
    shape->type          = FP_GameShapeType_Circle;
    shape->circle_radius = 16.f;
    shape->render_mode   = TELY_RenderShapeMode_Line;
    shape->colour        = TELY_COLOUR_BLUE_CADET_V4;
    return result;
}

static FP_GameEntityHandle FP_Entity_CreateClinger(FP_Game *game, Dqn_V2 pos, DQN_FMT_STRING_ANNOTATE char const *fmt, ...)
{
    va_list args;
    va_start(args, fmt);
    FP_GameEntity      *entity = FP_Game_MakeEntityPointerFV(game, fmt, args);
    FP_GameEntityHandle result = entity->handle;
    va_end(args);

    entity->type                           = FP_EntityType_Clinger;
    entity->hp                             = 1;
    entity->is_dying                       = false;
    entity->base_acceleration_per_s.meters = 8.f;
    entity->local_pos                      = pos;
    entity->sprite_height.meters           = 1.6f;
    entity->attack_cooldown_ms             = 1000;

    entity->local_hit_box_size   = FP_Game_MetersToPixelsNx2(game, 0.4f, entity->sprite_height.meters * .5f);
    FP_Entity_AddDebugEditorFlags(game, entity->handle);
    entity->flags              |= FP_GameEntityFlag_NonTraversable;
    entity->flags              |= FP_GameEntityFlag_Attackable;
    return result;
}

static FP_GameEntityHandle FP_Entity_CreateSmoochie(FP_Game *game, Dqn_V2 pos, DQN_FMT_STRING_ANNOTATE char const *fmt, ...)
{
    va_list args;
    va_start(args, fmt);
    FP_GameEntity      *entity = FP_Game_MakeEntityPointerFV(game, fmt, args);
    FP_GameEntityHandle result = entity->handle;
    va_end(args);

    entity->type                           = FP_EntityType_Smoochie;
    entity->base_acceleration_per_s.meters = 8.f;
    entity->hp                             = 1;
    entity->is_dying                       = false;
    entity->local_pos                      = pos;
    entity->sprite_height.meters           = 1.6f;
    entity->attack_cooldown_ms             = 1000;
    entity->local_hit_box_size             = FP_Game_MetersToPixelsNx2(game, 0.4f, entity->sprite_height.meters * .6f);
    FP_Entity_AddDebugEditorFlags(game, entity->handle);
    entity->flags              |= FP_GameEntityFlag_NonTraversable;
    entity->flags              |= FP_GameEntityFlag_Attackable;
    return result;
}

static FP_GameEntityHandle FP_Entity_CreateWallAtTile(FP_Game *game, Dqn_String8 name, Dqn_V2I tile_pos, Dqn_V2I size_in_tiles)
{
    Dqn_V2  size               = Dqn_V2_InitV2I(size_in_tiles * DQN_CAST(int32_t) game->tile_size);
    Dqn_V2  world_pos          = FP_Game_TilePosToWorldPos(game, tile_pos);
    world_pos                 += size * .5f;

    FP_GameEntity      *entity = FP_Game_MakeEntityPointerF(game, name.data);
    FP_GameEntityHandle result = entity->handle;
    entity->local_pos          = world_pos;
    entity->local_hit_box_size = Dqn_V2_InitV2I(size_in_tiles * DQN_CAST(int32_t)game->tile_size);
    FP_Entity_AddDebugEditorFlags(game, entity->handle);
    entity->flags             |= FP_GameEntityFlag_NonTraversable;

    FP_GameShape *wall         = Dqn_FArray_Make(&entity->shapes, Dqn_ZeroMem_Yes);
    wall->type                 = FP_GameShapeType_Rect;
    wall->p2                   = entity->local_hit_box_size;
    wall->colour               = TELY_COLOUR_GREEN_DARK_KHAKI_V4;
    return result;
}

static FP_GameEntityHandle FP_Entity_CreateMobSpawner(FP_Game *game, Dqn_V2 pos, Dqn_usize spawn_cap, char const *fmt, ...)
{
    va_list args;
    va_start(args, fmt);
    FP_GameEntity      *entity = FP_Game_MakeEntityPointerFV(game, fmt, args);
    FP_GameEntityHandle result = entity->handle;
    va_end(args);

    entity->local_pos           = pos;
    entity->local_hit_box_size  = Dqn_V2_InitNx1(32);
    FP_Entity_AddDebugEditorFlags(game, result);
    entity->flags              |= FP_GameEntityFlag_MobSpawner;

    entity->spawn_cap  = spawn_cap;
    entity->spawn_list = FP_SentinelList_Init<FP_GameEntityHandle>(game->chunk_pool);

    FP_GameShape *shape  = Dqn_FArray_Make(&entity->shapes, Dqn_ZeroMem_Yes);
    shape->type          = FP_GameShapeType_Rect;
    shape->p1            = {};
    shape->p2            = entity->local_hit_box_size;
    shape->render_mode   = TELY_RenderShapeMode_Line;
    shape->colour        = TELY_COLOUR_BLUE_CADET_V4;
    return result;
}

static FP_GameEntityHandle FP_Entity_CreateTerry(FP_Game *game, Dqn_V2 pos, DQN_FMT_STRING_ANNOTATE char const *fmt, ...)
{
    va_list args;
    va_start(args, fmt);
    FP_GameEntity      *entity = FP_Game_MakeEntityPointerFV(game, fmt, args);
    FP_GameEntityHandle result = entity->handle;
    va_end(args);

    entity->type                           = FP_EntityType_Terry;
    entity->local_pos                      = pos;
    entity->base_acceleration_per_s.meters = 16.f;
    entity->sprite_height.meters           = 1.8f;
    entity->attack_cooldown_ms             = 500;
    entity->local_hit_box_size             = FP_Game_MetersToPixelsNx2(game, 0.5f, entity->sprite_height.meters * .6f);
    FP_Entity_AddDebugEditorFlags(game, result);
    entity->flags              |= FP_GameEntityFlag_NonTraversable;
    entity->flags              |= FP_GameEntityFlag_Attackable;
    entity->flags              |= FP_GameEntityFlag_CameraTracking;
    return result;
}

static FP_GameEntityHandle FP_Entity_CreateMerchant(FP_Game *game, Dqn_V2 pos, DQN_FMT_STRING_ANNOTATE char const *fmt, ...)
{
    va_list args;
    va_start(args, fmt);
    FP_GameEntity      *entity = FP_Game_MakeEntityPointerFV(game, fmt, args);
    FP_GameEntityHandle result = entity->handle;
    va_end(args);

    entity->type                 = FP_EntityType_Merchant;
    entity->local_pos            = pos;
    entity->local_hit_box_size   = Dqn_V2_InitNx2(50, 50);
    entity->sprite_height.meters = 3.66f;
    FP_Entity_AddDebugEditorFlags(game, result);
    entity->flags              |= FP_GameEntityFlag_NonTraversable;

    return result;
}

static FP_GameEntityHandle FP_Entity_CreateClubTerry(FP_Game *game, Dqn_V2 pos, DQN_FMT_STRING_ANNOTATE char const *fmt, ...)
{
    va_list args;
    va_start(args, fmt);
    FP_GameEntity      *entity = FP_Game_MakeEntityPointerFV(game, fmt, args);
    FP_GameEntityHandle result = entity->handle;
    va_end(args);

    entity->type                 = FP_EntityType_ClubTerry;
    entity->local_pos            = pos;
    entity->sprite_height.meters = 4.f;

    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);
    entity->flags              |= FP_GameEntityFlag_NonTraversable;

    return result;
}