doylet/feely_pona
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feely_pona/feely_pona.cpp

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#if defined(__clang__)
#pragma once
#include "feely_pona_unity.h"
#endif
Dqn_f32 const PHYSICS_STEP = 1 / 60.f;
TELY_AssetSpriteSheet FP_LoadSpriteSheetFromSpec(TELY_Platform *platform, TELY_Assets *assets, Dqn_Arena *arena, Dqn_String8 sheet_name)
{
TELY_AssetSpriteSheet result = {};
Dqn_ThreadScratch scratch = Dqn_Thread_GetScratch(arena);
result.sprite_size = Dqn_V2I_InitNx2(185, 170);
result.type = TELY_AssetSpriteSheetType_Rects;
// NOTE: Load the sprite meta file =========================================================
Dqn_String8 sprite_spec_path = Dqn_FsPath_ConvertF(scratch.arena, "%.*s/%.*s.txt", DQN_STRING_FMT(assets->textures_dir), DQN_STRING_FMT(sheet_name));
Dqn_String8 sprite_spec_buffer = platform->func_load_file(scratch.arena, sprite_spec_path);
Dqn_String8SplitAllocResult lines = Dqn_String8_SplitAlloc(scratch.allocator, sprite_spec_buffer, DQN_STRING8("\n"));
Dqn_usize sprite_rect_index = 0;
Dqn_usize sprite_anim_index = 0;
DQN_FOR_UINDEX(line_index, lines.size) {
Dqn_String8 line = lines.data[line_index];
Dqn_String8SplitAllocResult line_splits = Dqn_String8_SplitAlloc(scratch.allocator, line, DQN_STRING8(";"));
if (line_index == 0) {
DQN_ASSERTF(line_splits.size == 4, "Expected 4 splits for @file lines");
DQN_ASSERT(Dqn_String8_StartsWith(line_splits.data[0], DQN_STRING8("@file"), Dqn_String8EqCase_Sensitive));
// NOTE: Sprite sheet path
Dqn_String8 sprite_sheet_path = Dqn_FsPath_ConvertF(scratch.arena, "%.*s/%.*s", DQN_STRING_FMT(assets->textures_dir), DQN_STRING_FMT(line_splits.data[1]));
result.tex_handle = platform->func_load_texture(assets, sheet_name, sprite_sheet_path);
DQN_ASSERTF(Dqn_Fs_Exists(sprite_sheet_path), "Required file does not exist '%.*s'", DQN_STRING_FMT(sprite_sheet_path));
// NOTE: Total sprite frame count
Dqn_String8ToU64Result total_frame_count = Dqn_String8_ToU64(line_splits.data[2], 0);
DQN_ASSERT(total_frame_count.success);
result.rects = Dqn_Slice_Alloc<Dqn_Rect>(arena, total_frame_count.value, Dqn_ZeroMem_No);
// NOTE: Total animation count
Dqn_String8ToU64Result total_anim_count = Dqn_String8_ToU64(line_splits.data[3], 0);
DQN_ASSERT(total_anim_count.success);
result.anims = Dqn_Slice_Alloc<TELY_AssetSpriteAnimation>(arena, total_anim_count.value, Dqn_ZeroMem_No);
// TODO: Sprite size?
// TODO: Texture name?
continue;
}
if (Dqn_String8_StartsWith(line, DQN_STRING8("@anim"))) {
DQN_ASSERTF(line_splits.size == 4, "Expected 4 splits for @anim lines");
Dqn_String8 anim_name = line_splits.data[1];
Dqn_String8ToU64Result frames_per_second = Dqn_String8_ToU64(line_splits.data[2], 0);
Dqn_String8ToU64Result frame_count = Dqn_String8_ToU64(line_splits.data[3], 0);
DQN_ASSERT(anim_name.size);
DQN_ASSERT(frame_count.success);
DQN_ASSERT(frames_per_second.success);
Dqn_Allocator allocator = Dqn_Arena_Allocator(arena);
TELY_AssetSpriteAnimation *anim = result.anims.data + sprite_anim_index++;
anim->label = Dqn_String8_Copy(allocator, anim_name);
anim->index = DQN_CAST(uint16_t)sprite_rect_index;
anim->count = DQN_CAST(uint16_t)frame_count.value;
anim->ms_per_frame = DQN_CAST(uint32_t)(1000.f / frames_per_second.value);
DQN_ASSERT(anim->ms_per_frame != 0);
} else {
DQN_ASSERTF(line_splits.size == 4, "Expected 4 splits for sprite frame lines");
Dqn_String8ToU64Result x = Dqn_String8_ToU64(line_splits.data[0], 0);
Dqn_String8ToU64Result y = Dqn_String8_ToU64(line_splits.data[1], 0);
Dqn_String8ToU64Result w = Dqn_String8_ToU64(line_splits.data[2], 0);
Dqn_String8ToU64Result h = Dqn_String8_ToU64(line_splits.data[3], 0);
DQN_ASSERT(x.success);
DQN_ASSERT(y.success);
DQN_ASSERT(w.success);
DQN_ASSERT(h.success);
result.rects.data[sprite_rect_index++] =
Dqn_Rect_InitNx4(DQN_CAST(Dqn_f32) x.value,
DQN_CAST(Dqn_f32) y.value,
DQN_CAST(Dqn_f32) w.value,
DQN_CAST(Dqn_f32) h.value);
}
}
DQN_ASSERT(result.rects.size == sprite_rect_index);
DQN_ASSERT(result.anims.size == sprite_anim_index);
return result;
}
static void FP_Game_MoveEntity(FP_Game *game, FP_GameEntityHandle entity_handle, Dqn_V2 acceleration_meters_per_s)
{
// f"(t) = a
// f'(t) = at + v
// f (t) = 0.5f*a(t^2) + vt + p
FP_GameEntity *entity = FP_Game_GetEntity(game, entity_handle);
if (FP_Game_IsNilEntity(entity))
return;
Dqn_f32 t = DQN_CAST(Dqn_f32)DQN_SQUARED(PHYSICS_STEP);
Dqn_f32 t_squared = DQN_SQUARED(t);
Dqn_f32 velocity_falloff_coefficient = 0.82f;
Dqn_f32 acceleration_feel_good_factor = 15'000.f;
Dqn_V2 acceleration = FP_Game_MetersToPixelsV2(game, acceleration_meters_per_s) * acceleration_feel_good_factor;
entity->velocity = (acceleration * t) + entity->velocity * velocity_falloff_coefficient;
// NOTE: Zero out velocity with epsilon
if (DQN_ABS(entity->velocity.x) < 5.f)
entity->velocity.x = 0.f;
if (DQN_ABS(entity->velocity.y) < 5.f)
entity->velocity.y = 0.f;
Dqn_V2 delta_pos = (acceleration * 0.5f * t_squared) + (entity->velocity * t);
Dqn_Rect entity_world_hit_box = FP_Game_CalcEntityWorldHitBox(game, entity->handle);
Dqn_V2 entity_pos = Dqn_Rect_Center(entity_world_hit_box);
Dqn_V2 entity_new_pos = entity_pos + delta_pos;
bool has_collision = false;
for (FP_GameEntityIterator collider_it = {}; FP_Game_DFSPostOrderWalkEntityTree(game, &collider_it, game->root_entity); ) {
FP_GameEntity *collider = collider_it.entity;
if (collider->handle == entity->handle)
continue;
// TODO(doyle): Calculate the list of collidables at the start of the frame
if ((collider->flags & FP_GameEntityFlag_NonTraversable) == 0)
continue;
bool entity_collides_with_collider = true;
switch (entity->type) {
case FP_EntityType_Smoochie: {
if (collider->type == FP_EntityType_Smoochie || collider->type == FP_EntityType_Clinger)
entity_collides_with_collider = false;
} break;
case FP_EntityType_Clinger: {
if (collider->type == FP_EntityType_Smoochie || collider->type == FP_EntityType_Clinger)
entity_collides_with_collider = false;
} break;
case FP_EntityType_Nil: /*FALLTRHU*/
case FP_EntityType_Terry: /*FALLTRHU*/
case FP_EntityType_Merchant: /*FALLTRHU*/
case FP_EntityType_Count: break;
case FP_EntityType_ClubTerry: break;
case FP_EntityType_Map: break;
}
if (!entity_collides_with_collider)
continue;
// NOTE: Sweep collider with half the radius of the source entity
Dqn_Rect collider_world_hit_box = FP_Game_CalcEntityWorldHitBox(game, collider->handle);
Dqn_Rect swept_collider_world_hit_box = collider_world_hit_box;
swept_collider_world_hit_box.pos -= (entity_world_hit_box.size * .5f);
swept_collider_world_hit_box.size += entity_world_hit_box.size;
if (!Dqn_Rect_ContainsPoint(swept_collider_world_hit_box, entity_new_pos))
continue;
Dqn_f32 collider_left_wall_x = swept_collider_world_hit_box.pos.x;
Dqn_f32 collider_right_wall_x = swept_collider_world_hit_box.pos.x + swept_collider_world_hit_box.size.w;
Dqn_f32 collider_top_wall_y = swept_collider_world_hit_box.pos.y;
Dqn_f32 collider_bottom_wall_y = swept_collider_world_hit_box.pos.y + swept_collider_world_hit_box.size.h;
Dqn_V2 o = entity_pos;
Dqn_V2 d = delta_pos;
// NOTE: Solve collision by determining the 't' value at which
// we hit one of the walls of the collider and move the entity
// at exactly that point.
// O + td = x
// td = x - O
// t = (x - O) / d
Dqn_f32 const SENTINEL_T = 999.f;
Dqn_f32 earliest_t = SENTINEL_T;
if (d.x != 0.f) {
Dqn_f32 left_t = (collider_left_wall_x - o.x) / d.x;
Dqn_f32 right_t = (collider_right_wall_x - o.x) / d.x;
if (left_t >= 0.f && left_t <= 1.f)
earliest_t = DQN_MIN(earliest_t, left_t);
if (right_t >= 0.f && right_t <= 1.f)
earliest_t = DQN_MIN(earliest_t, right_t);
}
if (d.y != 0.f) {
Dqn_f32 top_t = (collider_top_wall_y - o.y) / d.y;
Dqn_f32 bottom_t = (collider_bottom_wall_y - o.y) / d.y;
if (top_t >= 0.f && top_t <= 1.f)
earliest_t = DQN_MIN(earliest_t, top_t);
if (bottom_t >= 0.f && bottom_t <= 1.f)
earliest_t = DQN_MIN(earliest_t, bottom_t);
}
if (earliest_t != SENTINEL_T) {
Dqn_V2 pos_just_before_collide = entity_pos + (d * earliest_t);
Dqn_V2 new_delta_p = pos_just_before_collide - entity_pos;
entity->local_pos += new_delta_p;
has_collision = true;
}
}
if (!has_collision) {
entity->local_pos += delta_pos;
}
}
extern "C" __declspec(dllexport)
void TELY_DLL_Reload(void *user_data)
{
TELY_Platform *platform = DQN_CAST(TELY_Platform *)user_data;
Dqn_Library_SetPointer(platform->core.dqn_lib);
}
extern "C" __declspec(dllexport)
void TELY_DLL_Init(void *user_data)
{
TELY_Platform *platform = DQN_CAST(TELY_Platform *)user_data;
TELY_DLL_Reload(user_data);
FP_UnitTests(platform);
// NOTE: TELY Game =============================================================================
TELY_Assets *assets = &platform->assets;
FP_Game *game = Dqn_Arena_New(&platform->arena, FP_Game, Dqn_ZeroMem_Yes);
game->chunk_pool = &platform->chunk_pool;
game->meters_to_pixels = 65.416f;
Dqn_PCG32_Seed(&game->rng, 0xABCDEF);
platform->user_data = game;
{
TELY_AssetSpriteSheet *sheet = &game->hero_sprite_sheet;
Dqn_ThreadScratch scratch = Dqn_Thread_GetScratch(nullptr);
Dqn_String8 sheet_path = Dqn_FsPath_ConvertF(scratch.arena, "%.*s/adventurer-v1.5-sheet.png", DQN_STRING_FMT(assets->textures_dir));
sheet->tex_handle = platform->func_load_texture(assets, DQN_STRING8("Hero"), sheet_path);
sheet->sprite_count = 109;
sheet->sprites_per_row = 7;
sheet->sprite_size = Dqn_V2I_InitNx2(50, 37);
TELY_AssetSpriteAnimation hero_anims[] = {
{DQN_STRING8("Everything"), /*index*/ 0, /*count*/ sheet->sprite_count, /*ms_per_frame*/ DQN_CAST(uint32_t)(1000.f / 12.f)},
{DQN_STRING8("Idle"), /*index*/ 0, /*count*/ 3, /*ms_per_frame*/ DQN_CAST(uint32_t)(1000.f / 4.f)},
{DQN_STRING8("Run"), /*index*/ 8, /*count*/ 6, /*ms_per_frame*/ DQN_CAST(uint32_t)(1000.f / 8.f)},
{DQN_STRING8("Jump"), /*index*/ 14, /*count*/ 10, /*ms_per_frame*/ DQN_CAST(uint32_t)(1000.f / 12.f)},
{DQN_STRING8("Floor slide"), /*index*/ 24, /*count*/ 5, /*ms_per_frame*/ DQN_CAST(uint32_t)(1000.f / 12.f)},
{DQN_STRING8("Unknown"), /*index*/ 29, /*count*/ 9, /*ms_per_frame*/ DQN_CAST(uint32_t)(1000.f / 12.f)},
{DQN_STRING8("Attack A"), /*index*/ 42, /*count*/ 7, /*ms_per_frame*/ DQN_CAST(uint32_t)(1000.f / 12.f)},
{DQN_STRING8("Attack B"), /*index*/ 49, /*count*/ 4, /*ms_per_frame*/ DQN_CAST(uint32_t)(1000.f / 8.f)},
{DQN_STRING8("Attack C"), /*index*/ 53, /*count*/ 6, /*ms_per_frame*/ DQN_CAST(uint32_t)(1000.f / 12.f)},
{DQN_STRING8("Hurt A"), /*index*/ 59, /*count*/ 5, /*ms_per_frame*/ DQN_CAST(uint32_t)(1000.f / 12.f)},
{DQN_STRING8("Hurt B"), /*index*/ 64, /*count*/ 5, /*ms_per_frame*/ DQN_CAST(uint32_t)(1000.f / 12.f)},
{DQN_STRING8("Unsheath sword"), /*index*/ 69, /*count*/ 4, /*ms_per_frame*/ DQN_CAST(uint32_t)(1000.f / 12.f)},
{DQN_STRING8("Sheath sword"), /*index*/ 73, /*count*/ 4, /*ms_per_frame*/ DQN_CAST(uint32_t)(1000.f / 12.f)},
{DQN_STRING8("Air drift"), /*index*/ 77, /*count*/ 2, /*ms_per_frame*/ DQN_CAST(uint32_t)(1000.f / 12.f)},
{DQN_STRING8("Air drop"), /*index*/ 79, /*count*/ 2, /*ms_per_frame*/ DQN_CAST(uint32_t)(1000.f / 12.f)},
{DQN_STRING8("Ladder climb"), /*index*/ 81, /*count*/ 4, /*ms_per_frame*/ DQN_CAST(uint32_t)(1000.f / 12.f)},
{DQN_STRING8("Chi push"), /*index*/ 85, /*count*/ 8, /*ms_per_frame*/ DQN_CAST(uint32_t)(1000.f / 12.f)},
{DQN_STRING8("Leap slice A"), /*index*/ 93, /*count*/ 7, /*ms_per_frame*/ DQN_CAST(uint32_t)(1000.f / 12.f)},
{DQN_STRING8("Leap slice B"), /*index*/ 100, /*count*/ 3, /*ms_per_frame*/ DQN_CAST(uint32_t)(1000.f / 12.f)},
{DQN_STRING8("Leap slice C"), /*index*/ 103, /*count*/ 6, /*ms_per_frame*/ DQN_CAST(uint32_t)(1000.f / 12.f)},
};
game->hero_sprite_anims = Dqn_Slice_Alloc<TELY_AssetSpriteAnimation>(&platform->arena, DQN_ARRAY_UCOUNT(hero_anims), Dqn_ZeroMem_No);
DQN_MEMCPY(game->hero_sprite_anims.data, &hero_anims, sizeof(hero_anims[0]) * DQN_ARRAY_UCOUNT(hero_anims));
}
// NOTE: Load sprite sheets ====================================================================
{
game->terry_sprite_sheet = FP_LoadSpriteSheetFromSpec(platform, assets, &platform->arena, DQN_STRING8("terry_resized_25%"));
game->terry_merchant_sprite_sheet = FP_LoadSpriteSheetFromSpec(platform, assets, &platform->arena, DQN_STRING8("terry_merchant_resized_25%"));
game->smoochie_sprite_sheet = FP_LoadSpriteSheetFromSpec(platform, assets, &platform->arena, DQN_STRING8("smoochie_resized_25%"));
game->clinger_sprite_sheet = FP_LoadSpriteSheetFromSpec(platform, assets, &platform->arena, DQN_STRING8("clinger_resized_25%"));
game->club_terry_sprite_sheet = FP_LoadSpriteSheetFromSpec(platform, assets, &platform->arena, DQN_STRING8("club_terry_resized_25%"));
game->map_sprite_sheet = FP_LoadSpriteSheetFromSpec(platform, assets, &platform->arena, DQN_STRING8("map_resized_25%"));
}
game->entities = Dqn_VArray_Init<FP_GameEntity>(&platform->arena, 1024 * 8);
game->root_entity = Dqn_VArray_Make(&game->entities, Dqn_ZeroMem_No);
Dqn_FArray_Add(&game->parent_entity_stack, game->root_entity->handle);
// NOTE: Map
{
TELY_AssetSpriteAnimation *sprite_anim = TELY_Asset_GetSpriteAnimation(&game->map_sprite_sheet, g_anim_names.map);
Dqn_Rect sprite_rect = game->map_sprite_sheet.rects.data[sprite_anim->index];
FP_GameEntity *entity = FP_Game_MakeEntityPointerF(game, "Map");
entity->type = FP_EntityType_Map;
entity->sprite_height.meters = 41.9f;
entity->local_pos = {};
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 = sprite_rect_scaled;
FP_Entity_AddDebugEditorFlags(game, entity->handle);
game->map = entity;
}
// NOTE: Hero
{
FP_GameEntityHandle terry = FP_Entity_CreateTerry(game, Dqn_V2_InitNx2(1434, 11), "Terry");
game->clicked_entity = terry;
game->player = terry;
}
FP_Entity_CreateMerchant(game, Dqn_V2_InitNx2(1018, -351), "Merchant");
FP_Entity_CreateClubTerry(game, Dqn_V2_InitNx2(1000, 400), "Club Terry");
game->tile_size = 37;
Dqn_V2I max_tile = platform->core.window_size / game->tile_size;
// NOTE: Wall ==================================================================================
if (0) {
Dqn_V2I vert_wall_tile_size = Dqn_V2I_InitNx2(1, 12);
Dqn_V2I right_wall_tile_pos = Dqn_V2I_InitNx2(max_tile.x - vert_wall_tile_size.x - 0, (max_tile.y / 2.f) - (vert_wall_tile_size.y * .5f));
Dqn_V2I left_wall_top_tile = Dqn_V2I_InitNx2(max_tile.x - vert_wall_tile_size.x - 12, (max_tile.y / 2.f) - (vert_wall_tile_size.y * .5f));
Dqn_V2I left_wall_bottom_tile = Dqn_V2I_InitNx2(left_wall_top_tile.x, left_wall_top_tile.y + vert_wall_tile_size.y);
{
Dqn_V2I const vert_wall_part_tile_size = Dqn_V2I_InitNx2(1, (vert_wall_tile_size.y / 2) - 2);
FP_Entity_CreateWallAtTile(game, DQN_STRING8("Base left-top wall"), left_wall_top_tile, vert_wall_part_tile_size);
Dqn_V2I bottom_part_tile = Dqn_V2I_InitNx2(left_wall_top_tile.x, left_wall_top_tile.y + vert_wall_tile_size.y - vert_wall_part_tile_size.y);
FP_Entity_CreateWallAtTile(game, DQN_STRING8("Base left-bottom wall"), bottom_part_tile, vert_wall_part_tile_size);
}
FP_GameEntityHandle right_wall = FP_Entity_CreateWallAtTile(game, DQN_STRING8("Base right wall"), right_wall_tile_pos, vert_wall_tile_size);
Dqn_Rect right_wall_box = FP_Game_CalcEntityWorldHitBox(game, right_wall);
Dqn_V2I right_wall_bottom_tile = FP_Game_WorldPosToTilePos(game, right_wall_box.pos + Dqn_V2_InitNx2(0, right_wall_box.size.y));
Dqn_V2I right_wall_top_left_tile = FP_Game_WorldPosToTilePos(game, right_wall_box.pos);
{
Dqn_V2I hori_wall_tile_size = Dqn_V2I_InitNx2((right_wall_tile_pos.x - left_wall_top_tile.x - 1) / 2 - 1, 1);
{
Dqn_V2I bottom_left_wall_tile_pos = Dqn_V2I_InitNx2(left_wall_bottom_tile.x + 1, left_wall_bottom_tile.y - 1);
FP_Entity_CreateWallAtTile(game, DQN_STRING8("Base bottom-left wall"), bottom_left_wall_tile_pos, hori_wall_tile_size);
Dqn_V2I bottom_right_wall_tile_pos = Dqn_V2I_InitNx2(right_wall_bottom_tile.x - hori_wall_tile_size.x, right_wall_bottom_tile.y - 1);
FP_Entity_CreateWallAtTile(game, DQN_STRING8("Base bottom-right wall"), bottom_right_wall_tile_pos, hori_wall_tile_size);
}
{
Dqn_V2I top_left_wall_tile_pos = Dqn_V2I_InitNx2(left_wall_top_tile.x + 1, left_wall_top_tile.y);
FP_Entity_CreateWallAtTile(game, DQN_STRING8("Base top-left wall"), top_left_wall_tile_pos, hori_wall_tile_size);
Dqn_V2I top_right_wall_tile_pos = Dqn_V2I_InitNx2(right_wall_top_left_tile.x - hori_wall_tile_size.x, right_wall_top_left_tile.y);
FP_Entity_CreateWallAtTile(game, DQN_STRING8("Base top-right wall"), top_right_wall_tile_pos, hori_wall_tile_size);
}
}
}
// NOTE: Mid lane mob spawner ==================================================================
Dqn_V2 base_mid_p = Dqn_V2_InitNx2(1580, 0.f);
Dqn_V2 mid_lane_mob_spawner_pos = Dqn_V2_InitNx2(game->map->local_hit_box_size.w * -0.5f, 0.f);
{
FP_GameEntityHandle mob_spawner = FP_Entity_CreateMobSpawner(game, mid_lane_mob_spawner_pos, 128 /*spawn_cap*/, "Mob spawner");
FP_Game_PushParentEntity(game, mob_spawner);
FP_Entity_CreateWaypointF(game, Dqn_V2_InitNx2(-mid_lane_mob_spawner_pos.x + base_mid_p.x, base_mid_p.y), "Waypoint");
FP_Game_PopParentEntity(game);
}
// NOTE: Bottom lane spawner ===================================================================
Dqn_V2 bottom_lane_mob_spawner_pos = Dqn_V2_InitNx2(mid_lane_mob_spawner_pos.x, mid_lane_mob_spawner_pos.y + 932.f);
{
FP_GameEntityHandle mob_spawner = FP_Entity_CreateMobSpawner(game, bottom_lane_mob_spawner_pos, 128 /*spawn_cap*/, "Mob spawner");
FP_Game_PushParentEntity(game, mob_spawner);
FP_Entity_CreateWaypointF(game, Dqn_V2_InitNx2(-bottom_lane_mob_spawner_pos.x + base_mid_p.x, 0.f), "Waypoint");
FP_Entity_CreateWaypointF(game, Dqn_V2_InitNx2(-bottom_lane_mob_spawner_pos.x + base_mid_p.x, -932.f), "Waypoint");
FP_Game_PopParentEntity(game);
}
// NOTE: Top lane spawner ===================================================================
Dqn_V2 top_lane_mob_spawner_pos = Dqn_V2_InitNx2(mid_lane_mob_spawner_pos.x, mid_lane_mob_spawner_pos.y - 915.f);
{
FP_GameEntityHandle mob_spawner = FP_Entity_CreateMobSpawner(game, top_lane_mob_spawner_pos, 128 /*spawn_cap*/, "Mob spawner");
FP_Game_PushParentEntity(game, mob_spawner);
FP_Entity_CreateWaypointF(game, Dqn_V2_InitNx2(-top_lane_mob_spawner_pos.x + base_mid_p.x, 0.f), "Waypoint");
FP_Entity_CreateWaypointF(game, Dqn_V2_InitNx2(-top_lane_mob_spawner_pos.x + base_mid_p.x, +915.f), "Waypoint");
FP_Game_PopParentEntity(game);
}
uint16_t font_size = 18;
game->camera.scale = Dqn_V2_InitNx1(1);
game->inter_regular_font = platform->func_load_font(assets, DQN_STRING8("Inter (Regular)"), DQN_STRING8("Data/Inter-Regular.otf"), font_size);
game->inter_italic_font = platform->func_load_font(assets, DQN_STRING8("Inter (Italic)"), DQN_STRING8("Data/Inter-Italic.otf"), font_size);
game->jetbrains_mono_font = platform->func_load_font(assets, DQN_STRING8("JetBrains Mono NL (Regular)"), DQN_STRING8("Data/JetBrainsMonoNL-Regular.ttf"), font_size);
game->audio[FP_GameAudio_TestAudio] = platform->func_load_audio(assets, DQN_STRING8("Test Audio"), DQN_STRING8("Data/Audio/Purrple Cat - Moonwinds.qoa"));
game->audio[FP_GameAudio_TerryHit] = platform->func_load_audio(assets, DQN_STRING8("Terry Hit"), DQN_STRING8("Data/Audio/terry_hit.ogg"));
}
void FP_EntityActionStateMachine(FP_Game *game, TELY_Audio *audio, TELY_PlatformInput *input, FP_GameEntity *entity, Dqn_V2 dir_vector)
{
FP_GameEntityAction *action = &entity->action;
bool const we_are_clicked_entity = entity->handle == game->clicked_entity;
bool const entity_has_velocity = entity->velocity.x || entity->velocity.y;
bool const entering_new_state = action->state != action->next_state;
bool const action_has_finished = !entering_new_state && game->clock_ms >= action->end_at_clock_ms;
action->state = action->next_state;
switch (entity->type) {
case FP_EntityType_Terry: {
FP_EntityTerryState *state = DQN_CAST(FP_EntityTerryState *) & action->state;
TELY_AssetSpriteSheet *sheet = &game->terry_sprite_sheet;
switch (*state) {
case FP_EntityTerryState_Nil: {
FP_Game_EntityTransitionState(game, entity, FP_EntityTerryState_Idle);
} break;
case FP_EntityTerryState_Idle: {
if (entering_new_state) {
TELY_AssetAnimatedSprite sprite = TELY_Asset_MakeAnimatedSprite(sheet, g_anim_names.terry_walk_idle, TELY_AssetFlip_No);
uint64_t duration_ms = FP_GAME_ENTITY_ACTION_INFINITE_TIMER;
FP_Game_EntityActionReset(game, entity->handle, duration_ms, sprite);
}
if (we_are_clicked_entity) {
if (TELY_Platform_InputScanCodeIsPressed(input, TELY_PlatformInputScanCode_J) ||
TELY_Platform_InputGamepadButtonCodeIsPressed(input, 0, TELY_PlatformInputGamepadButtonCode_X)) {
} else if (dir_vector.x || dir_vector.y) {
FP_Game_EntityTransitionState(game, entity, FP_EntityTerryState_Run);
}
}
} break;
case FP_EntityTerryState_Attack: {
if (entering_new_state) {
uint32_t asset_flip = {};
Dqn_String8 desired_action_name = {};
switch (entity->direction) {
case FP_GameDirection_Up: desired_action_name = g_anim_names.terry_attack_up; break;
case FP_GameDirection_Down: desired_action_name = g_anim_names.terry_attack_down; break;
case FP_GameDirection_Left: desired_action_name = g_anim_names.terry_attack_side; break;
case FP_GameDirection_Right: desired_action_name = g_anim_names.terry_attack_side; asset_flip |= TELY_AssetFlip_X; break;
case FP_GameDirection_Count: DQN_INVALID_CODE_PATH; break;
}
TELY_AssetAnimatedSprite sprite = TELY_Asset_MakeAnimatedSprite(sheet, desired_action_name, DQN_CAST(TELY_AssetFlip)asset_flip);
uint64_t duration_ms = sprite.anim->count * sprite.anim->ms_per_frame;
FP_Game_EntityActionReset(game, entity->handle, duration_ms, sprite);
}
if (action_has_finished) {
FP_Game_EntityTransitionState(game, entity, FP_EntityTerryState_Idle);
}
} break;
case FP_EntityTerryState_Run: {
Dqn_String8 desired_action_name = {};
switch (entity->direction) {
case FP_GameDirection_Up: desired_action_name = g_anim_names.terry_walk_up; break;
case FP_GameDirection_Down: desired_action_name = g_anim_names.terry_walk_down; break;
case FP_GameDirection_Left: desired_action_name = g_anim_names.terry_walk_left; break;
case FP_GameDirection_Right: desired_action_name = g_anim_names.terry_walk_right; break;
case FP_GameDirection_Count: DQN_INVALID_CODE_PATH; break;
}
if (entering_new_state || action->sprite.anim->label != desired_action_name) {
TELY_AssetAnimatedSprite sprite = TELY_Asset_MakeAnimatedSprite(sheet, desired_action_name, TELY_AssetFlip_No);
uint64_t duration_ms = FP_GAME_ENTITY_ACTION_INFINITE_TIMER;
FP_Game_EntityActionReset(game, entity->handle, duration_ms, sprite);
}
if (we_are_clicked_entity) {
if (TELY_Platform_InputScanCodeIsPressed(input, TELY_PlatformInputScanCode_J) ||
TELY_Platform_InputGamepadButtonCodeIsPressed(input, 0, TELY_PlatformInputGamepadButtonCode_X)) {
FP_Game_EntityTransitionState(game, entity, FP_EntityTerryState_Attack);
} else if (TELY_Platform_InputScanCodeIsPressed(input, TELY_PlatformInputScanCode_LeftShift) ||
TELY_Platform_InputGamepadButtonCodeIsPressed(input, 0, TELY_PlatformInputGamepadButtonCode_A)) {
FP_Game_EntityTransitionState(game, entity, FP_EntityTerryState_Dash);
}
}
if (!entity_has_velocity) {
FP_Game_EntityTransitionState(game, entity, FP_EntityTerryState_Idle);
}
} break;
case FP_EntityTerryState_Dash: {
if (entering_new_state) {
TELY_AssetAnimatedSprite sprite = TELY_Asset_MakeAnimatedSprite(sheet, g_anim_names.terry_walk_right, TELY_AssetFlip_No);
uint64_t duration_ms = sprite.anim->count * sprite.anim->ms_per_frame;
FP_Game_EntityActionReset(game, entity->handle, duration_ms, sprite);
Dqn_V2 dash_dir = {};
switch (entity->direction) {
case FP_GameDirection_Up: dash_dir.y = -1.f; break;
case FP_GameDirection_Down: dash_dir.y = +1.f; break;
case FP_GameDirection_Left: dash_dir.x = -1.f; break;
case FP_GameDirection_Right: dash_dir.x = +1.f; break;
case FP_GameDirection_Count: DQN_INVALID_CODE_PATH; break;
}
Dqn_V2 dash_acceleration = dash_dir * 400'000'000.f;
Dqn_f32 t = DQN_CAST(Dqn_f32)DQN_SQUARED(PHYSICS_STEP);
entity->velocity = (dash_acceleration * t) + entity->velocity * 2.0f;
}
if (action_has_finished) {
if (entity_has_velocity) {
// TODO(doyle): Not sure if this branch triggers properly.
FP_Game_EntityTransitionState(game, entity, FP_EntityTerryState_Run);
} else {
FP_Game_EntityTransitionState(game, entity, FP_EntityTerryState_Idle);
}
}
} break;
}
if (*state == FP_EntityTerryState_Attack) {
DQN_ASSERT(action->sprite.anim);
uint64_t duration_ms = action->sprite.anim->count * action->sprite.anim->ms_per_frame;
DQN_ASSERT(duration_ms >= PHYSICS_STEP);
uint64_t midpoint_clock_ms = action->end_at_clock_ms - (duration_ms / 2);
// NOTE: Adding an attack_processed bool to make sure things only fire once
if (!entity->attack_processed && game->clock_ms >= midpoint_clock_ms) {
entity->attack_box_size = entity->local_hit_box_size;
TELY_Audio_Play(audio, game->audio[FP_GameAudio_TerryHit], 1.f);
// NOTE: Position the attack box
switch (entity->direction) {
case FP_GameDirection_Left: {
entity->attack_box_offset = Dqn_V2_InitNx2(entity->local_hit_box_offset.x - entity->attack_box_size.w,
entity->local_hit_box_offset.y);
} break;
case FP_GameDirection_Right: {
entity->attack_box_offset = Dqn_V2_InitNx2(entity->local_hit_box_offset.x + entity->attack_box_size.w,
entity->local_hit_box_offset.y);
} break;
case FP_GameDirection_Up: {
entity->attack_box_offset = Dqn_V2_InitNx2(entity->local_hit_box_offset.x,
entity->local_hit_box_offset.y - entity->attack_box_size.h);
} break;
case FP_GameDirection_Down: {
entity->attack_box_offset = Dqn_V2_InitNx2(entity->local_hit_box_offset.x,
entity->local_hit_box_offset.y + entity->attack_box_size.h);
} break;
case FP_GameDirection_Count: break;
}
entity->attack_processed = true;
} else {
entity->attack_box_size = {};
}
} else {
entity->attack_box_size = {};
entity->attack_processed = false;
}
} break;
case FP_EntityType_Smoochie: {
FP_EntitySmoochieState *state = DQN_CAST(FP_EntitySmoochieState *) & action->state;
TELY_AssetSpriteSheet *sheet = &game->smoochie_sprite_sheet;
switch (*state) {
case FP_EntitySmoochieState_Nil: {
FP_Game_EntityTransitionState(game, entity, FP_EntitySmoochieState_Idle);
} break;
case FP_EntitySmoochieState_Idle: {
if (entering_new_state) {
TELY_AssetAnimatedSprite sprite = TELY_Asset_MakeAnimatedSprite(sheet, g_anim_names.smoochie_walk_down, TELY_AssetFlip_No);
uint64_t duration_ms = FP_GAME_ENTITY_ACTION_INFINITE_TIMER;
FP_Game_EntityActionReset(game, entity->handle, duration_ms, sprite);
}
if (we_are_clicked_entity) {
if (TELY_Platform_InputScanCodeIsPressed(input, TELY_PlatformInputScanCode_J) ||
TELY_Platform_InputGamepadButtonCodeIsPressed(input, 0, TELY_PlatformInputGamepadButtonCode_X)) {
FP_Game_EntityTransitionState(game, entity, FP_EntitySmoochieState_Attack);
} else if (dir_vector.x || dir_vector.y) {
FP_Game_EntityTransitionState(game, entity, FP_EntitySmoochieState_Run);
}
}
if (entity_has_velocity) {
FP_Game_EntityTransitionState(game, entity, FP_EntitySmoochieState_Run);
}
} break;
case FP_EntitySmoochieState_Attack: {
if (entering_new_state) {
TELY_AssetAnimatedSprite sprite = TELY_Asset_MakeAnimatedSprite(sheet, g_anim_names.smoochie_attack_down, TELY_AssetFlip_No);
uint64_t duration_ms = sprite.anim->count * sprite.anim->ms_per_frame;
FP_Game_EntityActionReset(game, entity->handle, duration_ms, sprite);
}
// NOTE: Check if the heart animation is playing
bool has_heart_flourish = false;
DQN_FOR_UINDEX(anim_index, entity->extra_cosmetic_anims.size) {
FP_GameRenderSprite *sprite = entity->extra_cosmetic_anims.data + anim_index;
if (sprite->asset.anim->label == g_anim_names.smoochie_attack_heart) {
has_heart_flourish = true;
break;
}
}
// NOTE: If we don't have the anim playing make one
if (!has_heart_flourish) {
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.smoochie_attack_heart, TELY_AssetFlip_No);
cosmetic_sprite->started_at_clock_ms = game->clock_ms;
cosmetic_sprite->height.meters = entity->sprite_height.meters * .35f;
cosmetic_sprite->loop = true;
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;
}
}
if (action_has_finished) {
// NOTE: Ensure the heart animation terminates by removing the loop
DQN_FOR_UINDEX(anim_index, entity->extra_cosmetic_anims.size) {
FP_GameRenderSprite *sprite = entity->extra_cosmetic_anims.data + anim_index;
if (sprite->asset.anim->label == g_anim_names.smoochie_attack_heart)
sprite->loop = false;
}
// NOTE: Transition out of the action
FP_Game_EntityTransitionState(game, entity, FP_EntitySmoochieState_Idle);
}
} break;
case FP_EntitySmoochieState_HurtSide: {
if (entering_new_state) {
TELY_AssetFlip flip = entity->direction == FP_GameDirection_Right ? TELY_AssetFlip_X : TELY_AssetFlip_No;
TELY_AssetAnimatedSprite sprite = TELY_Asset_MakeAnimatedSprite(sheet, g_anim_names.smoochie_hurt_side, flip);
uint64_t duration_ms = sprite.anim->count * sprite.anim->ms_per_frame;
FP_Game_EntityActionReset(game, entity->handle, duration_ms, sprite);
}
if (action_has_finished)
FP_Game_EntityTransitionState(game, entity, FP_EntitySmoochieState_Idle);
} break;
case FP_EntitySmoochieState_AttackHeart: {
} break;
case FP_EntitySmoochieState_Death: {
if (entering_new_state) {
TELY_AssetAnimatedSprite sprite = TELY_Asset_MakeAnimatedSprite(sheet, g_anim_names.smoochie_death, TELY_AssetFlip_No);
uint64_t duration_ms = sprite.anim->count * sprite.anim->ms_per_frame;
FP_Game_EntityActionReset(game, entity->handle, duration_ms, sprite);
}
if (action_has_finished) {
FP_Game_DeleteEntity(game, entity->handle);
}
} break;
case FP_EntitySmoochieState_Run: {
Dqn_String8 desired_action_name = {};
switch (entity->direction) {
case FP_GameDirection_Up: desired_action_name = g_anim_names.smoochie_walk_up; break;
case FP_GameDirection_Down: desired_action_name = g_anim_names.smoochie_walk_down; break;
case FP_GameDirection_Left: desired_action_name = g_anim_names.smoochie_walk_left; break;
case FP_GameDirection_Right: desired_action_name = g_anim_names.smoochie_walk_right; break;
case FP_GameDirection_Count: DQN_INVALID_CODE_PATH; break;
}
if (entering_new_state || action->sprite.anim->label != desired_action_name) {
TELY_AssetAnimatedSprite sprite = TELY_Asset_MakeAnimatedSprite(sheet, desired_action_name, TELY_AssetFlip_No);
uint64_t duration_ms = FP_GAME_ENTITY_ACTION_INFINITE_TIMER;
FP_Game_EntityActionReset(game, entity->handle, duration_ms, sprite);
}
if (we_are_clicked_entity) {
if (TELY_Platform_InputScanCodeIsPressed(input, TELY_PlatformInputScanCode_J) ||
TELY_Platform_InputGamepadButtonCodeIsPressed(input, 0, TELY_PlatformInputGamepadButtonCode_X)) {
FP_Game_EntityTransitionState(game, entity, FP_EntitySmoochieState_Attack);
}
}
if (!entity_has_velocity) {
FP_Game_EntityTransitionState(game, entity, FP_EntitySmoochieState_Idle);
}
} break;
}
if (entity->is_dying && *state != FP_EntitySmoochieState_Death) {
FP_Game_EntityTransitionState(game, entity, FP_EntitySmoochieState_Death);
}
if (*state == FP_EntitySmoochieState_Attack) {
entity->attack_box_size = entity->local_hit_box_size;
// NOTE: Position the attack box
switch (entity->direction) {
case FP_GameDirection_Left: {
entity->attack_box_offset = Dqn_V2_InitNx2(entity->local_hit_box_offset.x - entity->attack_box_size.w,
entity->local_hit_box_offset.y);
} break;
case FP_GameDirection_Right: {
entity->attack_box_offset = Dqn_V2_InitNx2(entity->local_hit_box_offset.x + entity->attack_box_size.w,
entity->local_hit_box_offset.y);
} break;
case FP_GameDirection_Up: {
entity->attack_box_offset = Dqn_V2_InitNx2(entity->local_hit_box_offset.x,
entity->local_hit_box_offset.y - entity->attack_box_size.h);
} break;
case FP_GameDirection_Down: {
entity->attack_box_offset = Dqn_V2_InitNx2(entity->local_hit_box_offset.x,
entity->local_hit_box_offset.y + entity->attack_box_size.h);
} break;
case FP_GameDirection_Count: break;
}
} else {
entity->attack_box_size = {};
}
} break;
case FP_EntityType_Clinger: {
FP_EntityClingerState *state = DQN_CAST(FP_EntityClingerState *)&action->state;
TELY_AssetSpriteSheet *sheet = &game->clinger_sprite_sheet;
switch (*state) {
case FP_EntityClingerState_Nil: {
FP_Game_EntityTransitionState(game, entity, FP_EntityClingerState_Idle);
} break;
case FP_EntityClingerState_Idle: {
if (entering_new_state) {
TELY_AssetAnimatedSprite sprite = TELY_Asset_MakeAnimatedSprite(sheet, g_anim_names.clinger_walk_down, TELY_AssetFlip_No);
uint64_t duration_ms = FP_GAME_ENTITY_ACTION_INFINITE_TIMER;
FP_Game_EntityActionReset(game, entity->handle, duration_ms, sprite);
}
if (we_are_clicked_entity) {
if (TELY_Platform_InputScanCodeIsPressed(input, TELY_PlatformInputScanCode_J) ||
TELY_Platform_InputGamepadButtonCodeIsPressed(input, 0, TELY_PlatformInputGamepadButtonCode_X)) {
FP_Game_EntityTransitionState(game, entity, FP_EntityClingerState_Attack);
} else if (dir_vector.x || dir_vector.y) {
FP_Game_EntityTransitionState(game, entity, FP_EntityClingerState_Run);
}
}
if (entity_has_velocity) {
FP_Game_EntityTransitionState(game, entity, FP_EntityClingerState_Run);
}
} break;
case FP_EntityClingerState_Attack: {
uint32_t asset_flip = {};
Dqn_String8 desired_action_name = {};
switch (entity->direction) {
case FP_GameDirection_Up: desired_action_name = g_anim_names.clinger_attack_up; break;
case FP_GameDirection_Down: desired_action_name = g_anim_names.clinger_attack_down; break;
case FP_GameDirection_Left: desired_action_name = g_anim_names.clinger_attack_side; asset_flip |= TELY_AssetFlip_X; break;
case FP_GameDirection_Right: desired_action_name = g_anim_names.clinger_attack_side; break;
case FP_GameDirection_Count: DQN_INVALID_CODE_PATH; break;
}
if (entering_new_state) {
TELY_AssetAnimatedSprite sprite = TELY_Asset_MakeAnimatedSprite(sheet, desired_action_name, DQN_CAST(TELY_AssetFlip)asset_flip);
uint64_t duration_ms = sprite.anim->count * sprite.anim->ms_per_frame;
FP_Game_EntityActionReset(game, entity->handle, duration_ms, sprite);
}
if (action_has_finished)
FP_Game_EntityTransitionState(game, entity, FP_EntityClingerState_Idle);
} break;
case FP_EntityClingerState_Death: {
if (entering_new_state) {
TELY_AssetAnimatedSprite sprite = TELY_Asset_MakeAnimatedSprite(sheet, g_anim_names.clinger_death, TELY_AssetFlip_No);
uint64_t duration_ms = sprite.anim->count * sprite.anim->ms_per_frame;
FP_Game_EntityActionReset(game, entity->handle, duration_ms, sprite);
}
if (action_has_finished) {
FP_Game_DeleteEntity(game, entity->handle);
}
} break;
case FP_EntityClingerState_Run: {
Dqn_String8 desired_action_name = {};
switch (entity->direction) {
case FP_GameDirection_Up: desired_action_name = g_anim_names.clinger_walk_up; break;
case FP_GameDirection_Down: desired_action_name = g_anim_names.clinger_walk_down; break;
case FP_GameDirection_Left: desired_action_name = g_anim_names.clinger_walk_down; break;
case FP_GameDirection_Right: desired_action_name = g_anim_names.clinger_walk_down; break;
case FP_GameDirection_Count: DQN_INVALID_CODE_PATH; break;
}
if (entering_new_state || action->sprite.anim->label != desired_action_name) {
TELY_AssetAnimatedSprite sprite = TELY_Asset_MakeAnimatedSprite(sheet, desired_action_name, TELY_AssetFlip_No);
uint64_t duration_ms = FP_GAME_ENTITY_ACTION_INFINITE_TIMER;
FP_Game_EntityActionReset(game, entity->handle, duration_ms, sprite);
}
if (we_are_clicked_entity) {
if (TELY_Platform_InputScanCodeIsPressed(input, TELY_PlatformInputScanCode_J) ||
TELY_Platform_InputGamepadButtonCodeIsPressed(input, 0, TELY_PlatformInputGamepadButtonCode_X)) {
FP_Game_EntityTransitionState(game, entity, FP_EntityClingerState_Attack);
}
}
if (!entity_has_velocity) {
FP_Game_EntityTransitionState(game, entity, FP_EntityClingerState_Idle);
}
} break;
}
if (entity->is_dying && *state != FP_EntityClingerState_Death) {
FP_Game_EntityTransitionState(game, entity, FP_EntityClingerState_Death);
}
if (*state == FP_EntityClingerState_Attack) { // NOTE: Position the attack box
entity->attack_box_size = entity->local_hit_box_size;
switch (entity->direction) {
case FP_GameDirection_Left: {
entity->attack_box_offset = Dqn_V2_InitNx2(entity->local_hit_box_offset.x - entity->attack_box_size.w,
entity->local_hit_box_offset.y);
} break;
case FP_GameDirection_Right: {
entity->attack_box_offset = Dqn_V2_InitNx2(entity->local_hit_box_offset.x + entity->attack_box_size.w,
entity->local_hit_box_offset.y);
} break;
case FP_GameDirection_Up: {
entity->attack_box_offset = Dqn_V2_InitNx2(entity->local_hit_box_offset.x,
entity->local_hit_box_offset.y - entity->attack_box_size.h);
} break;
case FP_GameDirection_Down: {
entity->attack_box_offset = Dqn_V2_InitNx2(entity->local_hit_box_offset.x,
entity->local_hit_box_offset.y + entity->attack_box_size.h);
} break;
case FP_GameDirection_Count: DQN_INVALID_CODE_PATH; break;
}
} else {
entity->attack_box_size = {};
}
} break;
case FP_EntityType_Merchant: {
FP_EntityTerryMerchantState *state = DQN_CAST(FP_EntityTerryMerchantState *)&action->state;
TELY_AssetSpriteSheet *sheet = &game->terry_merchant_sprite_sheet;
switch (*state) {
case FP_EntityTerryMerchantState_Nil: {
FP_Game_EntityTransitionState(game, entity, FP_EntityClingerState_Idle);
} break;
case FP_EntityTerryMerchantState_Idle: {
if (entering_new_state) {
TELY_AssetAnimatedSprite sprite = TELY_Asset_MakeAnimatedSprite(sheet, g_anim_names.terry_merchant, TELY_AssetFlip_No);
uint64_t duration_ms = FP_GAME_ENTITY_ACTION_INFINITE_TIMER;
FP_Game_EntityActionReset(game, entity->handle, duration_ms, sprite);
}
} break;
}
} break;
case FP_EntityType_ClubTerry: {
FP_EntityClubTerryState *state = DQN_CAST(FP_EntityClubTerryState *)&action->state;
TELY_AssetSpriteSheet *sheet = &game->club_terry_sprite_sheet;
switch (*state) {
case FP_EntityClubTerryState_Nil: {
FP_Game_EntityTransitionState(game, entity, FP_EntityClubTerryState_Idle);
} break;
case FP_EntityClubTerryState_Idle: {
if (entering_new_state) {
TELY_AssetAnimatedSprite sprite = TELY_Asset_MakeAnimatedSprite(sheet, g_anim_names.club_terry_dark, TELY_AssetFlip_No);
uint64_t duration_ms = FP_GAME_ENTITY_ACTION_INFINITE_TIMER;
FP_Game_EntityActionReset(game, entity->handle, duration_ms, sprite);
}
} break;
case FP_EntityClubTerryState_PartyTime: {
if (entering_new_state) {
TELY_AssetAnimatedSprite sprite = TELY_Asset_MakeAnimatedSprite(sheet, g_anim_names.club_terry_alive, TELY_AssetFlip_No);
uint64_t duration_ms = 5000;
FP_Game_EntityActionReset(game, entity->handle, duration_ms, sprite);
}
if (action_has_finished) {
if (!FP_Game_IsNilEntityHandle(game, entity->club_terry_patron)) {
FP_GameEntity *patron = FP_Game_GetEntity(game, entity->club_terry_patron);
patron->flags |= FP_GameEntityFlag_ExperiencedClubTerry;
patron->flags &= ~FP_GameEntityFlag_PartyingAtClubTerry;
patron->base_acceleration_per_s.meters *= .5f;
entity->club_terry_patron = {};
}
FP_Game_EntityTransitionState(game, entity, FP_EntityClubTerryState_Idle);
}
} break;
}
} break;
case FP_EntityType_Map: {
FP_EntityMapState *state = DQN_CAST(FP_EntityMapState *) & action->state;
TELY_AssetSpriteSheet *sheet = &game->map_sprite_sheet;
switch (*state) {
case FP_EntityMapState_Nil: {
FP_Game_EntityTransitionState(game, entity, FP_EntityMapState_Idle);
} break;
case FP_EntityMapState_Idle: {
if (entering_new_state) {
TELY_AssetAnimatedSprite sprite = TELY_Asset_MakeAnimatedSprite(sheet, g_anim_names.map, TELY_AssetFlip_No);
uint64_t duration_ms = FP_GAME_ENTITY_ACTION_INFINITE_TIMER;
FP_Game_EntityActionReset(game, entity->handle, duration_ms, sprite);
}
} break;
}
} break;
case FP_EntityType_Nil: break;
case FP_EntityType_Count: DQN_INVALID_CODE_PATH; break;
}
}
void FP_Update(TELY_Platform *platform, FP_Game *game, TELY_PlatformInput *input)
{
Dqn_Profiler_ZoneScopeWithIndex("FP_Update", FP_ProfileZone_FPUpdate);
if (TELY_Platform_InputKeyIsReleased(input->mouse_left))
game->clicked_entity = game->prev_active_entity;
game->clock_ms = DQN_CAST(uint64_t)(platform->input.timer_s * 1000.f);
Dqn_V2 dir_vector = {};
// NOTE: Keyboard movement input
if (TELY_Platform_InputScanCodeIsDown(input, TELY_PlatformInputScanCode_W))
dir_vector.y = -1.f;
if (TELY_Platform_InputScanCodeIsDown(input, TELY_PlatformInputScanCode_A))
dir_vector.x = -1.f;
if (TELY_Platform_InputScanCodeIsDown(input, TELY_PlatformInputScanCode_S))
dir_vector.y = +1.f;
if (TELY_Platform_InputScanCodeIsDown(input, TELY_PlatformInputScanCode_D))
dir_vector.x = +1.f;
// NOTE: Gamepad movement input
// NOTE: button_codes 0 should be the first gamepad connected, we can
// get this working with other gamepads later
uint32_t gamepad = 0;
if (input->button_codes[gamepad]) {
dir_vector.x += input->left_stick[gamepad].x;
dir_vector.y += input->left_stick[gamepad].y;
}
if (dir_vector.x && dir_vector.y) {
dir_vector.x *= 0.7071067811865475244f;
dir_vector.y *= 0.7071067811865475244f;
}
if (TELY_Platform_InputScanCodeIsPressed(input, TELY_PlatformInputScanCode_Escape))
game->clicked_entity = {};
if (game->clicked_entity.id) {
if (TELY_Platform_InputScanCodeIsPressed(input, TELY_PlatformInputScanCode_Delete))
FP_Game_DeleteEntity(game, game->clicked_entity);
} else {
Dqn_f32 pan_speed = 5.f;
if (TELY_Platform_InputScanCodeIsDown(input, TELY_PlatformInputScanCode_Space))
pan_speed *= 2.5f;
game->camera.world_pos += dir_vector * pan_speed;
}
Dqn_ProfilerZone update_zone = Dqn_Profiler_BeginZoneWithIndex(DQN_STRING8("FP_Update: Entity loop"), FP_ProfileZone_FPUpdate_EntityLoop);
// NOTE: Handle input ==========================================================================
for (FP_GameEntityIterator it = {}; FP_Game_DFSPostOrderWalkEntityTree(game, &it, game->root_entity); ) {
FP_GameEntity *entity = it.entity;
entity->alive_time_s += PHYSICS_STEP;
if (entity->flags & FP_GameEntityFlag_PartyingAtClubTerry)
continue;
// NOTE: Move entity by keyboard and gamepad ===============================================
Dqn_V2 acceleration_meters_per_s = {};
if (game->clicked_entity == entity->handle) {
if (entity->flags & (FP_GameEntityFlag_MoveByKeyboard | FP_GameEntityFlag_MoveByGamepad)) {
bool move_entity = true;
switch (entity->type) {
case FP_EntityType_Terry: {
auto *state = DQN_CAST(FP_EntityTerryState *)&entity->action.state;
move_entity = *state == FP_EntityTerryState_Run || *state == FP_EntityTerryState_Idle;
} break;
case FP_EntityType_Smoochie: {
auto *state = DQN_CAST(FP_EntitySmoochieState *)&entity->action.state;
move_entity = *state == FP_EntitySmoochieState_Run || *state == FP_EntitySmoochieState_Idle;
} break;
case FP_EntityType_Clinger: {
auto *state = DQN_CAST(FP_EntityClingerState *)&entity->action.state;
move_entity = *state == FP_EntityClingerState_Run || *state == FP_EntityClingerState_Idle;
} break;
case FP_EntityType_Merchant: break;
case FP_EntityType_Nil: break;
case FP_EntityType_ClubTerry: break;
case FP_EntityType_Count: break;
case FP_EntityType_Map: break;
}
if (move_entity) {
acceleration_meters_per_s = dir_vector * entity->base_acceleration_per_s.meters;
if (dir_vector.x)
entity->direction = dir_vector.x > 0.f ? FP_GameDirection_Right : FP_GameDirection_Left;
else if (dir_vector.y)
entity->direction = dir_vector.y > 0.f ? FP_GameDirection_Down : FP_GameDirection_Up;
if (TELY_Platform_InputScanCodeIsDown(input, TELY_PlatformInputScanCode_Space))
acceleration_meters_per_s *= 2.5f;
}
}
} else {
if (entity->velocity.x)
entity->direction = entity->velocity.x > 0.f ? FP_GameDirection_Right : FP_GameDirection_Left;
else if (entity->velocity.y)
entity->direction = entity->velocity.y > 0.f ? FP_GameDirection_Down : FP_GameDirection_Up;
}
// NOTE: Determine AI movement =============================================================
if (acceleration_meters_per_s.x == 0 && acceleration_meters_per_s.y == 0) {
Dqn_V2 entity_pos = FP_Game_CalcEntityWorldPos(game, entity->handle);
if (entity->flags & FP_GameEntityFlag_AggrosWhenNearTerry) {
FP_GameFindClosestEntityResult closest_result = FP_Game_FindClosestEntityWithType(game, entity->handle, FP_EntityType_Terry);
if (closest_result.dist_squared < DQN_SQUARED(FP_Game_MetersToPixelsNx1(game, 4.f))) {
bool has_waypoint_to_terry = false;
for (FP_SentinelListLink<FP_GameWaypoint> *link = nullptr;
!has_waypoint_to_terry && FP_SentinelList_Iterate<FP_GameWaypoint>(&entity->waypoints, &link); ) {
has_waypoint_to_terry = link->data.entity == closest_result.entity;
}
if (!has_waypoint_to_terry) {
FP_GameEntity *terry = FP_Game_GetEntity(game, closest_result.entity);
FP_GameDirection aggro_direction = FP_GameDirection_Count;
DQN_FOR_UINDEX(dir_index, FP_GameDirection_Count) {
FP_GameEntityHandle slot_entity_handle = terry->aggro_slot[dir_index];
FP_GameEntity *slot_entity = FP_Game_GetEntity(game, slot_entity_handle);
if (FP_Game_IsNilEntity(slot_entity)) {
aggro_direction = DQN_CAST(FP_GameDirection)dir_index;
break;
}
}
FP_SentinelListLink<FP_GameWaypoint> *link = FP_SentinelList_MakeBefore(&entity->waypoints,
FP_SentinelList_Front(&entity->waypoints),
game->chunk_pool);
FP_GameWaypoint *waypoint = &link->data;
waypoint->entity = terry->handle;
if (aggro_direction != FP_GameDirection_Count) {
waypoint->type = FP_GameWaypointType_Side;
waypoint->type_direction = aggro_direction;
terry->aggro_slot[aggro_direction] = entity->handle;
}
}
}
}
if (entity->flags & FP_GameEntityFlag_RespondsToClubTerry && (entity->flags & FP_GameEntityFlag_ExperiencedClubTerry) == 0) {
FP_GameFindClosestEntityResult closest_club = FP_Game_FindClosestEntityWithType(game, entity->handle, FP_EntityType_ClubTerry);
if (closest_club.dist_squared < DQN_SQUARED(FP_Game_MetersToPixelsNx1(game, 4.f))) {
bool has_waypoint_to_club = false;
for (FP_SentinelListLink<FP_GameWaypoint> *link = nullptr;
!has_waypoint_to_club && FP_SentinelList_Iterate<FP_GameWaypoint>(&entity->waypoints, &link); ) {
has_waypoint_to_club = link->data.entity == closest_club.entity;
}
if (!has_waypoint_to_club) {
Dqn_Rect club_hit_box = FP_Game_CalcEntityWorldHitBox(game, closest_club.entity);
Dqn_V2 club_top_left = Dqn_Rect_TopLeft(club_hit_box);
Dqn_V2 club_top_right = Dqn_Rect_TopRight(club_hit_box);
FP_SentinelListLink<FP_GameWaypoint> *link = FP_SentinelList_MakeBefore(&entity->waypoints, FP_SentinelList_Front(&entity->waypoints), game->chunk_pool);
FP_GameWaypoint *waypoint = &link->data;
waypoint->entity = closest_club.entity;
waypoint->type = FP_GameWaypointType_Side;
if (entity_pos.x <= club_top_left.x) {
waypoint->type_direction = FP_GameDirection_Left;
} else if (entity_pos.x >= club_top_right.x) {
waypoint->type_direction = FP_GameDirection_Right;
} else if (entity_pos.y <= club_top_left.y) {
waypoint->type_direction = FP_GameDirection_Up;
} else {
waypoint->type_direction = FP_GameDirection_Down;
}
}
}
}
while (entity->waypoints.size) {
FP_SentinelListLink<FP_GameWaypoint> *waypoint_link = entity->waypoints.sentinel->next;
FP_GameWaypoint const *waypoint = &waypoint_link->data;
FP_GameEntity *waypoint_entity = FP_Game_GetEntity(game, waypoint_link->data.entity);
if (FP_Game_IsNilEntity(waypoint_entity)) {
FP_SentinelList_Erase(&entity->waypoints, waypoint_link, game->chunk_pool);
continue;
}
// NOTE: We found a waypoint that is valid to move towards
Dqn_V2 target_pos = FP_Game_CalcWaypointWorldPos(game, waypoint);
Dqn_V2 entity_to_waypoint = target_pos - entity_pos;
// NOTE: Check if we've arrived at the waypoint
Dqn_f32 dist_to_waypoint_sq = Dqn_V2_LengthSq(entity_to_waypoint);
Dqn_f32 arrival_threshold = {};
switch (waypoint->arrive) {
case FP_GameWaypointArrive_Default: {
arrival_threshold = FP_Game_MetersToPixelsNx1(game, 0.5f);
} break;
case FP_GameWaypointArrive_WhenWithinEntitySize: {
arrival_threshold = DQN_MAX(waypoint_entity->local_hit_box_size.w, waypoint_entity->local_hit_box_size.h) * waypoint_link->data.value;
} break;
}
// NOTE: We haven't arrived yet, calculate an acceleration vector to the waypoint
if (dist_to_waypoint_sq > DQN_SQUARED(arrival_threshold)) {
Dqn_V2 entity_to_waypoint_norm = Dqn_V2_Normalise(entity_to_waypoint);
acceleration_meters_per_s = entity_to_waypoint_norm * (entity->base_acceleration_per_s.meters * 0.25f);
break;
}
// NOTE: We have arrived at the waypoint
bool aggro_on_terry = (entity->flags & FP_GameEntityFlag_AggrosWhenNearTerry) && waypoint_entity->type == FP_EntityType_Terry;
bool club_terry_response = (entity->flags & FP_GameEntityFlag_RespondsToClubTerry) &&
((entity->flags & FP_GameEntityFlag_ExperiencedClubTerry) == 0) &&
waypoint_entity->type == FP_EntityType_ClubTerry;
if (((waypoint->flags & FP_GameWaypointFlag_NonInterruptible) == 0) && (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
if (club_terry_response) {
FP_GameEntity *club = waypoint_entity;
if (FP_Game_IsNilEntityHandle(game, club->club_terry_patron)) {
club->club_terry_patron = entity->handle;
FP_Game_EntityTransitionState(game, club, FP_EntityClubTerryState_PartyTime);
entity->flags |= FP_GameEntityFlag_PartyingAtClubTerry;
Dqn_Rect hit_box = FP_Game_CalcEntityWorldHitBox(game, club->handle);
Dqn_V2 exit_pos = Dqn_Rect_InterpolatedPoint(hit_box, Dqn_V2_InitNx2(0.5f, 1.1f));
entity->local_pos = exit_pos; // TODO(doyle): Only works when parent world pos is 0,0
can_attack = false;
FP_SentinelList_Erase(&entity->waypoints, waypoint_link, game->chunk_pool);
}
}
if (can_attack) {
Dqn_V2 attack_dir_vectors[FP_GameDirection_Count] = {};
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_Left] = Dqn_V2_InitNx2(-1, +0);
attack_dir_vectors[FP_GameDirection_Right] = Dqn_V2_InitNx2(+1, +0);
Dqn_V2 defender_entity_pos = FP_Game_CalcEntityWorldPos(game, waypoint_entity->handle);
Dqn_V2 entity_to_defender = defender_entity_pos - entity_pos;
Dqn_V2 entity_to_defender_norm = Dqn_V2_Normalise(entity_to_defender);
FP_GameDirection best_attack_dir = FP_GameDirection_Up;
Dqn_f32 best_attack_dir_scalar_projection_onto_entity_to_waypoint_vector = -1.1f;
DQN_FOR_UINDEX (dir_index, FP_GameDirection_Count) {
Dqn_V2 attack_dir = attack_dir_vectors[dir_index];
Dqn_f32 scalar_projection = Dqn_V2_Dot(attack_dir, entity_to_defender_norm);
if (scalar_projection > best_attack_dir_scalar_projection_onto_entity_to_waypoint_vector) {
best_attack_dir = DQN_CAST(FP_GameDirection)dir_index;
best_attack_dir_scalar_projection_onto_entity_to_waypoint_vector = scalar_projection;
}
}
switch (entity->type) {
case FP_EntityType_Nil: /*FALLTHRU*/
case FP_EntityType_Merchant: break;
case FP_EntityType_Terry: /*FALLTHRU*/
case FP_EntityType_Smoochie: /*FALLTHRU*/
case FP_EntityType_Clinger: {
// TODO(doyle): We should check if it's valid to enter this new state
// from the entity's current state
if (entity->type == FP_EntityType_Terry) {
FP_Game_EntityTransitionState(game, entity, FP_EntityTerryState_Attack);
} else if (entity->type == FP_EntityType_Smoochie) {
FP_Game_EntityTransitionState(game, entity, FP_EntitySmoochieState_Attack);
} else {
DQN_ASSERT(entity->type == FP_EntityType_Clinger);
FP_Game_EntityTransitionState(game, entity, FP_EntityClingerState_Attack);
}
entity->direction = best_attack_dir;
} break;
case FP_EntityType_Count: DQN_INVALID_CODE_PATH; break;
case FP_EntityType_ClubTerry: break;
case FP_EntityType_Map: break;
}
}
// NOTE: Aggro makes the entity attack Terry, we will
// exit here preserving the waypoint in the entity.
break;
} else {
FP_SentinelList_Erase(&entity->waypoints, waypoint_link, game->chunk_pool);
}
}
}
// NOTE: Move entity by mouse ==============================================================
if (game->active_entity == entity->handle && entity->flags & FP_GameEntityFlag_MoveByMouse) {
entity->velocity = {};
acceleration_meters_per_s = {};
entity->local_pos += input->mouse_p_delta;
}
// NOTE: Core equations of motion ==========================================================
FP_Game_MoveEntity(game, entity->handle, acceleration_meters_per_s);
// NOTE: Tick the state machine
FP_EntityActionStateMachine(game, &platform->audio, input, entity, dir_vector);
if (game->clicked_entity == entity->handle) {
if (TELY_Platform_InputScanCodeIsPressed(input, TELY_PlatformInputScanCode_F1)) {
entity->sprite_height.meters += 1;
Dqn_Log_InfoF("Height: %.1f", entity->sprite_height.meters);
}
if (TELY_Platform_InputScanCodeIsPressed(input, TELY_PlatformInputScanCode_F2)) {
entity->sprite_height.meters -= 1;
Dqn_Log_InfoF("Height: %.1f", entity->sprite_height.meters);
}
if (entity->flags & FP_GameEntityFlag_CameraTracking)
game->camera.world_pos = FP_Game_CalcEntityWorldPos(game, entity->handle) - Dqn_V2_InitV2I(platform->core.window_size) * .5f;
}
}
// NOTE: Update entity =========================================================================
for (FP_GameEntityIterator it = {}; FP_Game_DFSPostOrderWalkEntityTree(game, &it, game->root_entity); ) {
FP_GameEntity *entity = it.entity;
// NOTE: Derive dynmamic bounding boxes ====================================================
if (entity->flags & FP_GameEntityFlag_DeriveHitBoxFromChildrenBoundingBox) {
Dqn_Rect children_bbox = {};
// TODO(doyle): Is the hit box supposed to include the containing
// entity itself? Not sure
children_bbox.pos = FP_Game_CalcEntityWorldPos(game, entity->handle);
for (FP_GameEntityIterator child_it = {}; FP_Game_DFSPreOrderWalkEntityTree(game, &child_it, entity);) {
FP_GameEntity *child = child_it.entity;
DQN_ASSERT(child != entity);
Dqn_Rect bbox = FP_Game_CalcEntityWorldBoundingBox(game, child->handle);
children_bbox = Dqn_Rect_Union(children_bbox, bbox);
}
Dqn_Rect padded_bbox = Dqn_Rect_Expand(children_bbox, 16.f);
entity->local_hit_box_offset = padded_bbox.pos - entity->local_pos + (padded_bbox.size * .5f);
entity->local_hit_box_size = padded_bbox.size;
}
// NOTE: Mob spawner =======================================================================
if (entity->flags & FP_GameEntityFlag_MobSpawner) {
// NOTE: Flush any spawn entities that are dead
for (FP_SentinelListLink<FP_GameEntityHandle> *link = nullptr; FP_SentinelList_Iterate<FP_GameEntityHandle>(&entity->spawn_list, &link); ) {
FP_GameEntity *spawned_entity = FP_Game_GetEntity(game, link->data);
if (FP_Game_IsNilEntity(spawned_entity)) // NOTE: Entity is dead remove it from the linked list
link = FP_SentinelList_Erase(&entity->spawn_list, link, game->chunk_pool);
}
if (entity->spawn_list.size < entity->spawn_cap) { // NOTE: Spawn new entities
if (input->timer_s >= entity->next_spawn_timestamp_s) {
entity->next_spawn_timestamp_s = DQN_CAST(uint64_t)(input->timer_s + 5.f);
Dqn_V2 entity_world_pos = FP_Game_CalcEntityWorldPos(game, entity->handle);
FP_SentinelListLink<FP_GameEntityHandle> *link = FP_SentinelList_Make(&entity->spawn_list, game->chunk_pool);
if (Dqn_PCG32_NextF32(&game->rng) >= 0.5f)
link->data = FP_Entity_CreateClinger(game, entity_world_pos, "Clinger");
else
link->data = FP_Entity_CreateSmoochie(game, entity_world_pos, "Smoochie");
// NOTE: Setup the mob with waypoints
FP_GameEntity *mob = FP_Game_GetEntity(game, link->data);
mob->waypoints = FP_SentinelList_Init<FP_GameWaypoint>(game->chunk_pool);
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) {
if ((waypoint_entity->flags & FP_GameEntityFlag_MobSpawnerWaypoint) == 0)
continue;
// NOTE: Add the waypoint
FP_SentinelListLink<FP_GameWaypoint> *waypoint = FP_SentinelList_Make(&mob->waypoints, game->chunk_pool);
waypoint->data.entity = waypoint_entity->handle;
waypoint->data.arrive = FP_GameWaypointArrive_WhenWithinEntitySize;
waypoint->data.value = 1.5f;
}
}
}
}
// NOTE: Do attacks ============================================================================
{
Dqn_Profiler_ZoneScopeWithIndex("FP_Update: Attacks", FP_ProfileZone_FPUpdate_Attacks);
FP_GameEntity *attacker = entity;
// NOTE: Resolve attack boxes
if (!Dqn_V2_Area(attacker->attack_box_size))
continue;
Dqn_Rect attacker_box = FP_Game_CalcEntityAttackWorldHitBox(game, attacker->handle);
Dqn_V2 attacker_world_pos = FP_Game_CalcEntityWorldPos(game, attacker->handle);
for (FP_GameEntityIterator defender_it = {}; FP_Game_DFSPostOrderWalkEntityTree(game, &defender_it, game->root_entity); ) {
FP_GameEntity *defender = defender_it.entity;
if (defender->handle == attacker->handle)
continue;
if ((defender->flags & FP_GameEntityFlag_Attackable) == 0)
continue;
bool permit_attack = true;
switch (attacker->type) {
case FP_EntityType_Smoochie: {
if (defender->type == FP_EntityType_Smoochie || defender->type == FP_EntityType_Clinger)
permit_attack = false;
} break;
case FP_EntityType_Clinger: {
if (defender->type == FP_EntityType_Smoochie || defender->type == FP_EntityType_Clinger)
permit_attack = false;
} break;
case FP_EntityType_Nil: /*FALLTRHU*/
case FP_EntityType_Terry: /*FALLTRHU*/
case FP_EntityType_Merchant: /*FALLTRHU*/
case FP_EntityType_Count: break;
case FP_EntityType_ClubTerry: break;
case FP_EntityType_Map: break;
}
if (!permit_attack)
continue;
Dqn_Rect defender_box = FP_Game_CalcEntityWorldHitBox(game, defender->handle);
if (!Dqn_Rect_Intersects(attacker_box, defender_box))
continue;
// NOTE: Do HP =========================================================================
defender->hp -= 1;
if (defender->hp <= 0)
defender->is_dying = true;
// NOTE: Kickback ======================================================================
Dqn_V2 defender_world_pos = Dqn_Rect_Center(defender_box);
Dqn_V2 attack_dir_vector = {};
if (attacker_world_pos.x < defender_world_pos.x)
attack_dir_vector.x = 1.f;
else
attack_dir_vector.x = -1.f;
Dqn_V2 attack_acceleration_meters_per_s = attack_dir_vector * 60.f;
FP_Game_MoveEntity(game, defender->handle, attack_acceleration_meters_per_s);
}
}
}
if (!FP_Game_IsNilEntityHandle(game, game->clicked_entity)) {
TELY_AssetSpriteAnimation *sprite_anim = TELY_Asset_GetSpriteAnimation(&game->map_sprite_sheet, g_anim_names.map);
Dqn_Rect sprite_rect = game->map_sprite_sheet.rects.data[sprite_anim->index];
const Dqn_usize target_width = 1800;
const Dqn_usize target_height = 1046;
game->camera.world_pos.x = DQN_MIN(game->camera.world_pos.x, game->map->local_hit_box_size.w * +0.5f - target_width);
game->camera.world_pos.x = DQN_MAX(game->camera.world_pos.x, game->map->local_hit_box_size.w * -0.5f);
game->camera.world_pos.y = DQN_MAX(game->camera.world_pos.y, game->map->local_hit_box_size.h * -0.5f);
game->camera.world_pos.y = DQN_MIN(game->camera.world_pos.y, game->map->local_hit_box_size.h * +0.5f - target_height);
}
Dqn_Profiler_EndZone(update_zone);
}
void FP_Render(FP_Game *game, TELY_Platform *platform, TELY_Renderer *renderer)
{
Dqn_Profiler_ZoneScopeWithIndex("FP_Render", FP_ProfileZone_FPRender);
TELY_PlatformInput *input = &platform->input;
Dqn_M2x3 model_view = FP_Game_CameraModelViewM2x3(game->camera, platform);
Dqn_V2 world_mouse_p = Dqn_M2x3_MulV2(model_view, input->mouse_p);
// NOTE: Draw tiles ============================================================================
Dqn_usize tile_count_x = DQN_CAST(Dqn_usize)(platform->core.window_size.w / game->tile_size);
Dqn_usize tile_count_y = DQN_CAST(Dqn_usize)(platform->core.window_size.h / game->tile_size);
for (Dqn_usize x = 0; x < tile_count_x; x++) {
Dqn_V2 start = Dqn_V2_InitNx2((x + 1) * game->tile_size, 0);
Dqn_V2 end = Dqn_V2_InitNx2(start.x, platform->core.window_size.h);
TELY_Render_LineColourV4(renderer, start, end, TELY_Colour_V4Alpha(TELY_COLOUR_WHITE_V4, .25f), 1.f);
}
for (Dqn_usize y = 0; y < tile_count_y; y++) {
Dqn_V2 start = Dqn_V2_InitNx2(0, (y + 1) * game->tile_size);
Dqn_V2 end = Dqn_V2_InitNx2(platform->core.window_size.w, start.y);
TELY_Render_LineColourV4(renderer, start, end, TELY_Colour_V4Alpha(TELY_COLOUR_WHITE_V4, .25f), 1.f);
}
// NOTE: Draw entities =========================================================================
for (FP_GameEntityIterator it = {}; FP_Game_DFSPostOrderWalkEntityTree(game, &it, game->root_entity); ) {
FP_GameEntity *entity = it.entity;
if (entity->flags & FP_GameEntityFlag_PartyingAtClubTerry)
continue;
// NOTE: Render shapes in entity ===========================================================
Dqn_Rect world_hit_box = FP_Game_CalcEntityWorldHitBox(game, entity->handle);
Dqn_V2 world_pos = Dqn_Rect_Center(world_hit_box);
for (FP_GameShape const &shape_ : entity->shapes) {
FP_GameShape const *shape = &shape_;
Dqn_V2 local_to_world_p1 = world_pos + shape->p1;
Dqn_V2 local_to_world_p2 = world_pos + shape->p2;
switch (shape->type) {
case FP_GameShapeType_None: {
} break;
case FP_GameShapeType_Circle: {
TELY_Render_CircleColourV4(renderer, local_to_world_p1, shape->circle_radius, shape->render_mode, shape->colour);
} break;
case FP_GameShapeType_Rect: {
Dqn_Rect rect = Dqn_Rect_InitV2x2(local_to_world_p1, local_to_world_p2 - local_to_world_p1);
rect.pos -= rect.size * .5f;
TELY_Render_RectColourV4(renderer, rect, shape->render_mode, shape->colour);
} break;
case FP_GameShapeType_Line: {
TELY_Render_LineColourV4(renderer, local_to_world_p1, local_to_world_p2, shape->colour, shape->line_thickness);
} break;
}
}
// NOTE: Render entity sprites =============================================================
if (entity->action.sprite.anim) {
FP_GameEntityAction const *action = &entity->action;
TELY_AssetAnimatedSprite const sprite = action->sprite;
uint64_t elapsed_ms = game->clock_ms - action->started_at_clock_ms;
uint16_t anim_frame = DQN_CAST(uint16_t)(elapsed_ms / sprite.anim->ms_per_frame) % sprite.anim->count;
Dqn_usize sprite_index = sprite.anim->index + anim_frame;
Dqn_Rect src_rect = {};
switch (sprite.sheet->type) {
case TELY_AssetSpriteSheetType_Uniform: {
Dqn_usize sprite_sheet_row = sprite_index / sprite.sheet->sprites_per_row;
Dqn_usize sprite_sheet_column = sprite_index % sprite.sheet->sprites_per_row;
src_rect.pos.x = DQN_CAST(Dqn_f32)(sprite_sheet_column * sprite.sheet->sprite_size.w);
src_rect.pos.y = DQN_CAST(Dqn_f32)(sprite_sheet_row * sprite.sheet->sprite_size.y);
src_rect.size.w = DQN_CAST(Dqn_f32)sprite.sheet->sprite_size.w;
src_rect.size.h = DQN_CAST(Dqn_f32)sprite.sheet->sprite_size.h;
} break;
case TELY_AssetSpriteSheetType_Rects: {
DQN_ASSERT(sprite_index < sprite.sheet->rects.size);
src_rect = sprite.sheet->rects.data[sprite_index];
} break;
}
Dqn_f32 sprite_in_meters = FP_Game_PixelsToMetersNx1(game, src_rect.size.y);
Dqn_f32 size_scale = entity->sprite_height.meters / sprite_in_meters;
Dqn_Rect dest_rect = {};
dest_rect.size = src_rect.size * size_scale;
dest_rect.pos = world_pos - (dest_rect.size * .5f);
if (sprite.flip & TELY_AssetFlip_X)
dest_rect.size.w *= -1.f; // NOTE: Flip the texture horizontally
if (sprite.flip & TELY_AssetFlip_Y)
dest_rect.size.h *= -1.f; // NOTE: Flip the texture vertically
TELY_Render_TextureColourV4(renderer,
sprite.sheet->tex_handle,
src_rect,
dest_rect,
Dqn_V2_Zero /*rotate origin*/,
0.f /*rotate radians*/,
TELY_COLOUR_WHITE_V4);
}
DQN_FOR_UINDEX(anim_index, entity->extra_cosmetic_anims.size) {
FP_GameRenderSprite *sprite = entity->extra_cosmetic_anims.data + anim_index;
uint64_t elapsed_ms = game->clock_ms - sprite->started_at_clock_ms;
uint16_t raw_anim_frame = DQN_CAST(uint16_t)(elapsed_ms / sprite->asset.anim->ms_per_frame);
if (raw_anim_frame > sprite->asset.anim->count && !sprite->loop) {
anim_index = Dqn_FArray_EraseRange(&entity->extra_cosmetic_anims, anim_index, 1, Dqn_ArrayErase_Unstable).it_index;
continue;
}
uint16_t anim_frame = raw_anim_frame % sprite->asset.anim->count;
Dqn_usize sprite_index = sprite->asset.anim->index + anim_frame;
Dqn_Rect src_rect = {};
switch (sprite->asset.sheet->type) {
case TELY_AssetSpriteSheetType_Uniform: {
Dqn_usize sprite_sheet_row = sprite_index / sprite->asset.sheet->sprites_per_row;
Dqn_usize sprite_sheet_column = sprite_index % sprite->asset.sheet->sprites_per_row;
src_rect.pos.x = DQN_CAST(Dqn_f32)(sprite_sheet_column * sprite->asset.sheet->sprite_size.w);
src_rect.pos.y = DQN_CAST(Dqn_f32)(sprite_sheet_row * sprite->asset.sheet->sprite_size.y);
src_rect.size.w = DQN_CAST(Dqn_f32)sprite->asset.sheet->sprite_size.w;
src_rect.size.h = DQN_CAST(Dqn_f32)sprite->asset.sheet->sprite_size.h;
} break;
case TELY_AssetSpriteSheetType_Rects: {
DQN_ASSERT(sprite_index < sprite->asset.sheet->rects.size);
src_rect = sprite->asset.sheet->rects.data[sprite_index];
} break;
}
Dqn_f32 sprite_in_meters = FP_Game_PixelsToMetersNx1(game, src_rect.size.y);
Dqn_f32 size_scale = sprite->height.meters / sprite_in_meters;
Dqn_Rect dest_rect = {};
dest_rect.size = src_rect.size * size_scale;
dest_rect.pos = world_pos - (dest_rect.size * .5f) + sprite->offset;
if (sprite->asset.flip & TELY_AssetFlip_X)
dest_rect.size.w *= -1.f; // NOTE: Flip the texture horizontally
if (sprite->asset.flip & TELY_AssetFlip_Y)
dest_rect.size.h *= -1.f; // NOTE: Flip the texture vertically
TELY_Render_TextureColourV4(renderer,
sprite->asset.sheet->tex_handle,
src_rect,
dest_rect,
Dqn_V2_Zero /*rotate origin*/,
0.f /*rotation*/,
TELY_COLOUR_WHITE_V4);
}
if (entity->type == FP_EntityType_ClubTerry) {
FP_EntityClubTerryState *state = DQN_CAST(FP_EntityClubTerryState *)&entity->action.state;
if (*state == FP_EntityClubTerryState_PartyTime) {
Dqn_f32 duration = entity->action.end_at_clock_ms - DQN_CAST(Dqn_f32)entity->action.started_at_clock_ms;
Dqn_f32 elapsed = DQN_CAST(Dqn_f32)(game->clock_ms - entity->action.started_at_clock_ms);
Dqn_f32 t01 = DQN_MIN(1.f, elapsed / duration);
Dqn_Rect rect = {};
rect.pos = Dqn_Rect_InterpolatedPoint(world_hit_box, Dqn_V2_InitNx2(0, -0.3f));
rect.size = Dqn_V2_InitNx2(world_hit_box.size.w * t01, 16.f);
TELY_Render_RectColourV4(renderer, rect, TELY_RenderShapeMode_Fill, TELY_Colour_V4Alpha(TELY_COLOUR_RED_TOMATO_V4, 1.0f));
}
}
// NOTE: Render waypoint entities ==========================================================
if (entity->flags & FP_GameEntityFlag_MobSpawner) {
Dqn_V2 start = world_pos;
for (FP_GameEntity *waypoint_entity = entity->first_child; waypoint_entity; waypoint_entity = waypoint_entity->next) {
if ((waypoint_entity->flags & FP_GameEntityFlag_MobSpawnerWaypoint) == 0)
continue;
Dqn_V2 end = FP_Game_CalcEntityWorldPos(game, waypoint_entity->handle);
TELY_Render_LineColourV4(renderer, start, end, TELY_COLOUR_BLUE_CADET_V4, 2.f);
start = end;
}
}
// NOTE: Render attack box =================================================================
{
Dqn_Rect attack_box = FP_Game_CalcEntityAttackWorldHitBox(game, entity->handle);
TELY_Render_RectColourV4(renderer, attack_box, TELY_RenderShapeMode_Line, TELY_COLOUR_RED_TOMATO_V4);
}
// NOTE: Render world position =============================================================
TELY_Render_CircleColourV4(renderer, world_pos, 4.f, TELY_RenderShapeMode_Fill, TELY_COLOUR_RED_TOMATO_V4);
// NOTE: Render hot/active entity ==========================================================
if (game->clicked_entity == entity->handle) {
TELY_Render_RectColourV4(renderer, world_hit_box, TELY_RenderShapeMode_Line, TELY_COLOUR_WHITE_PALE_GOLDENROD_V4);
// NOTE: Draw the waypoints that the entity is moving along
Dqn_V2 start = world_pos;
for (FP_SentinelListLink<FP_GameWaypoint> *link = nullptr; FP_SentinelList_Iterate(&entity->waypoints, &link); ) {
Dqn_V2 end = FP_Game_CalcWaypointWorldPos(game, &link->data);
TELY_Render_LineColourV4(renderer, start, end, TELY_COLOUR_WHITE_PALE_GOLDENROD_V4, 2.f);
start = end;
}
} else if (game->hot_entity == entity->handle || (entity->flags & FP_GameEntityFlag_DrawHitBox)) {
Dqn_V4 hot_colour = game->hot_entity == entity->handle ? TELY_COLOUR_RED_TOMATO_V4 : TELY_Colour_V4Alpha(TELY_COLOUR_YELLOW_SANDY_V4, .5f);
TELY_Render_RectColourV4(renderer, world_hit_box, TELY_RenderShapeMode_Line, hot_colour);
}
if (game->hot_entity == entity->handle) {
if (entity->name.size) {
Dqn_V2I player_tile = Dqn_V2I_InitNx2(world_pos.x / game->tile_size, world_pos.y / game->tile_size);
Dqn_V2 entity_world_pos = Dqn_Rect_Center(world_hit_box);
Dqn_ThreadScratch scratch = Dqn_Thread_GetScratch(nullptr);
Dqn_String8 label = Dqn_String8_InitF(scratch.allocator,
"%.*s|Pos: (%.1f, %.1f)|Size: %.1fx%.1f|Tile: (%I32d, %I32d)",
DQN_STRING_FMT(entity->name),
entity_world_pos.x,
entity_world_pos.y,
world_hit_box.size.w,
world_hit_box.size.h,
player_tile.x,
player_tile.y);
TELY_Render_Text(renderer, world_mouse_p, Dqn_V2_InitNx2(0.f, 1), label);
}
}
}
}
extern "C" __declspec(dllexport)
void TELY_DLL_FrameUpdate(void *user_data)
{
TELY_Platform *platform = DQN_CAST(TELY_Platform *) user_data;
TELY_PlatformInput *input = &platform->input;
TELY_Assets *assets = &platform->assets;
TELY_Renderer *renderer = &platform->renderer;
FP_Game *game = DQN_CAST(FP_Game *) platform->user_data;
TELY_RFui *rfui = &game->rfui;
TELY_Render_ClearColourV3(renderer, TELY_COLOUR_BLACK_MIDNIGHT_V4.rgb);
TELY_Render_PushFont(renderer, game->jetbrains_mono_font);
TELY_RFui_FrameSetup(rfui, &platform->frame_arena);
TELY_RFui_PushFont(rfui, game->jetbrains_mono_font);
TELY_RFui_PushLabelColourV4(rfui, TELY_COLOUR_BLACK_MIDNIGHT_V4);
// =============================================================================================
game->prev_clicked_entity = game->clicked_entity;
game->prev_hot_entity = game->hot_entity;
game->prev_active_entity = game->active_entity;
game->hot_entity = {};
game->active_entity = {};
Dqn_FArray_Clear(&game->parent_entity_stack);
Dqn_FArray_Add(&game->parent_entity_stack, game->root_entity->handle);
Dqn_M2x3 model_view = FP_Game_CameraModelViewM2x3(game->camera, platform);
TELY_Render_PushTransform(renderer, model_view);
Dqn_V2 world_mouse_p = Dqn_M2x3_MulV2(model_view, input->mouse_p);
// =============================================================================================
TELY_Audio *audio = &platform->audio;
#if 0
if (audio->playback_size == 0) {
TELY_Audio_Play(audio, game->audio[FP_GameAudio_TestAudio], 1.f /*volume*/);
}
#endif
// =============================================================================================
if (TELY_Platform_InputKeyWasDown(input->mouse_left) && TELY_Platform_InputKeyIsDown(input->mouse_left)) {
if (game->prev_active_entity.id)
game->active_entity = game->prev_active_entity;
} else {
for (FP_GameEntityIterator it = {}; FP_Game_DFSPreOrderWalkEntityTree(game, &it, game->root_entity); ) {
FP_GameEntity *entity = it.entity;
if (entity->local_hit_box_size.x <= 0 || entity->local_hit_box_size.y <= 0)
continue;
if ((entity->flags & FP_GameEntityFlag_Clickable) == 0)
continue;
Dqn_Rect world_hit_box = FP_Game_CalcEntityWorldHitBox(game, entity->handle);
if (!Dqn_Rect_ContainsPoint(world_hit_box, world_mouse_p))
continue;
game->hot_entity = entity->handle;
if (TELY_Platform_InputKeyIsPressed(input->mouse_left)) {
game->active_entity = entity->handle;
game->clicked_entity = entity->handle;
}
}
}
for (game->delta_s_accumulator += DQN_CAST(Dqn_f32)input->delta_s;
game->delta_s_accumulator > PHYSICS_STEP;
game->delta_s_accumulator -= PHYSICS_STEP) {
FP_Update(platform, game, input);
}
FP_Render(game, platform, renderer);
// NOTE: UI ====================================================================================
{
TELY_Render_PushTransform(renderer, Dqn_M2x3_Identity());
DQN_DEFER { TELY_Render_PopTransform(renderer); };
// NOTE: Info bar ==========================================================================
{
TELY_RFuiResult info_bar = TELY_RFui_Row(rfui, DQN_STRING8("Info Bar"));
info_bar.widget->semantic_position[TELY_RFuiAxis_X].kind = TELY_RFuiPositionKind_Absolute;
info_bar.widget->semantic_position[TELY_RFuiAxis_X].value = 10.f;
info_bar.widget->semantic_position[TELY_RFuiAxis_Y].kind = TELY_RFuiPositionKind_Absolute;
info_bar.widget->semantic_position[TELY_RFuiAxis_Y].value = 10.f;
TELY_RFui_PushParent(rfui, info_bar.widget);
DQN_DEFER { TELY_RFui_PopParent(rfui); };
Dqn_ThreadScratch scratch = Dqn_Thread_GetScratch(nullptr);
TELY_RFui_TextF(rfui, "TELY");
if (Dqn_String8_IsValid(platform->core.os_name)) {
TELY_RFui_TextF(rfui, " | %.*s", DQN_STRING_FMT(platform->core.os_name));
}
TELY_RFui_TextF(rfui,
" | %dx%d %.1fHz | TSC %.1f GHz",
platform->core.window_size.w,
platform->core.window_size.h,
platform->core.display.refresh_rate,
platform->core.tsc_per_second / 1'000'000'000.0);
if (platform->core.ram_mb)
TELY_RFui_TextF(rfui, " | RAM %.1fGB", platform->core.ram_mb / 1024.0);
TELY_RFui_TextF(rfui,
" | Work %04.1fms/f (%04.1f%%) | %05.1f FPS | Frame %'I64u | Timer %.1fs",
input->work_ms,
input->work_ms * 100.0 / input->delta_ms,
1000.0 / input->delta_ms,
input->frame_counter,
input->timer_s);
}
// NOTE: Other
{
TELY_RFuiResult profiler_layout = TELY_RFui_Column(rfui, DQN_STRING8("Profiler Bar"));
profiler_layout.widget->semantic_position[TELY_RFuiAxis_X].kind = TELY_RFuiPositionKind_Absolute;
profiler_layout.widget->semantic_position[TELY_RFuiAxis_X].value = 10.f;
profiler_layout.widget->semantic_position[TELY_RFuiAxis_Y].kind = TELY_RFuiPositionKind_Absolute;
profiler_layout.widget->semantic_position[TELY_RFuiAxis_Y].value = TELY_Asset_GetFont(assets, TELY_RFui_ActiveFont(rfui))->pixel_height * 1.5f;
TELY_RFui_PushParent(rfui, profiler_layout.widget);
DQN_DEFER { TELY_RFui_PopParent(rfui); };
TELY_RFui_TextF(rfui, "Camera: %.1f, %.1f", game->camera.world_pos.x, game->camera.world_pos.y);
Dqn_ProfilerAnchor *anchors = Dqn_Profiler_AnchorBuffer(Dqn_ProfilerAnchorBuffer_Back);
for (size_t anchor_index = 1; anchor_index < DQN_PROFILER_ANCHOR_BUFFER_SIZE; anchor_index++) {
Dqn_ProfilerAnchor const *anchor = anchors + anchor_index;
if (!anchor->hit_count)
continue;
uint64_t tsc_exclusive = anchor->tsc_exclusive;
uint64_t tsc_inclusive = anchor->tsc_inclusive;
Dqn_f64 tsc_exclusive_milliseconds = tsc_exclusive * 1000 / DQN_CAST(Dqn_f64)platform->core.tsc_per_second;
if (tsc_exclusive == tsc_inclusive) {
TELY_RFui_TextF(rfui,
"%.*s[%u]: %.1fms",
DQN_STRING_FMT(anchor->name),
anchor->hit_count,
tsc_exclusive_milliseconds);
} else {
Dqn_f64 tsc_inclusive_milliseconds = tsc_inclusive * 1000 / DQN_CAST(Dqn_f64)platform->core.tsc_per_second;
TELY_RFui_TextF(rfui,
"%.*s[%u]: %.1f/%.1fms",
DQN_STRING_FMT(anchor->name),
anchor->hit_count,
tsc_exclusive_milliseconds,
tsc_inclusive_milliseconds);
}
}
}
}
TELY_RFui_Flush(rfui, renderer, input, assets);
TELY_Audio_MixPlaybackSamples(audio, assets);
}
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