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feely_pona/feely_pona_game.cpp

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#if defined(_CLANGD)
#pragma once
#include "feely_pona_unity.h"
#endif
static bool operator==(FP_GameEntityHandle const &lhs, FP_GameEntityHandle const &rhs)
{
bool result = lhs.id == rhs.id;
return result;
}
static bool operator!=(FP_GameEntityHandle const &lhs, FP_GameEntityHandle const &rhs)
{
bool result = !(lhs == rhs);
return result;
}
static FP_GameCameraM2x3 FP_Game_CameraModelViewM2x3(FP_GameCamera camera)
{
FP_GameCameraM2x3 result = {};
result.model_view = Dqn_M2x3_Identity();
result.view_model = Dqn_M2x3_Identity();
Dqn_V2 center_offset = camera.size * .5f;
Dqn_V2 rotate_origin = -camera.world_pos;
result.model_view = Dqn_M2x3_Mul(result.model_view, Dqn_M2x3_Translate(rotate_origin));
result.model_view = Dqn_M2x3_Mul(result.model_view, Dqn_M2x3_Rotate(camera.rotate_rads));
result.model_view = Dqn_M2x3_Mul(result.model_view, Dqn_M2x3_Scale(camera.scale));
result.model_view = Dqn_M2x3_Mul(result.model_view, Dqn_M2x3_Translate(center_offset));
Dqn_V2 inverse_scale = Dqn_V2_InitNx1(1) / camera.scale;
result.view_model = Dqn_M2x3_Mul(result.view_model, Dqn_M2x3_Translate(-center_offset));
result.view_model = Dqn_M2x3_Mul(result.view_model, Dqn_M2x3_Scale(inverse_scale));
result.view_model = Dqn_M2x3_Mul(result.view_model, Dqn_M2x3_Rotate(-camera.rotate_rads));
result.view_model = Dqn_M2x3_Mul(result.view_model, Dqn_M2x3_Translate(-rotate_origin));
#if 0
Dqn_M2x3 identity = Dqn_M2x3_Mul(result.model_view, result.view_model);
DQN_ASSERT(identity == Dqn_M2x3_Identity());
#endif
return result;
}
static FP_GameEntity *FP_Game_GetEntity(FP_Game *game, FP_GameEntityHandle handle)
{
FP_GameEntity *result = nullptr;
if (!game)
return result;
result = game->play.entities.data;
uint64_t index_from_handle = handle.id & FP_GAME_ENTITY_HANDLE_INDEX_MASK;
if (index_from_handle >= game->play.entities.size)
return result;
FP_GameEntity *candidate = game->play.entities.data + index_from_handle;
if (candidate->handle == handle)
result = candidate;
return result;
}
static bool FP_Game_DFSPreOrderWalkEntityTree(FP_Game *game, FP_GameEntityIterator *it, FP_GameEntity *root)
{
if (!game || !it || !root)
return false;
it->last_visited = it->entity;
if (it->init) {
it->iteration_count++;
} else {
it->init = true;
it->entity = root;
it->entity_parent = it->entity->parent;
it->entity_next = it->entity->next;
it->entity_first_child = it->entity->first_child;
}
if (it->entity_first_child) {
it->entity = it->entity_first_child;
it->entity_parent = it->entity->parent;
it->entity_next = it->entity->next;
it->entity_first_child = it->entity->first_child;
} else {
while (it->entity->handle != root->handle) {
if (it->entity_next) {
it->entity = it->entity_next;
it->entity_parent = it->entity->parent;
it->entity_next = it->entity->next;
it->entity_first_child = it->entity->first_child;
break;
} else {
if (!it->entity_parent)
break;
it->entity = it->entity_parent;
it->entity_parent = it->entity->parent;
it->entity_next = it->entity->next;
it->entity_first_child = it->entity->first_child;
}
}
}
return it->entity->handle != root->handle;
}
static bool FP_Game_DFSPostOrderWalkEntityTree(FP_Game *game, FP_GameEntityIterator *it, FP_GameEntity *root)
{
if (!game || !it || !root)
return false;
bool ascending_tree = it->entity ? (it->last_visited == it->entity->last_child) : false;
it->last_visited = it->entity;
if (it->init) {
it->iteration_count++;
} else {
it->init = true;
it->entity = root;
it->entity_parent = it->entity->parent;
it->entity_next = it->entity->next;
it->entity_first_child = it->entity->first_child;
}
// NOTE: Descend to deepest leaf node
if (it->entity_first_child && !ascending_tree) {
while (it->entity_first_child) {
it->entity = it->entity_first_child;
it->entity_parent = it->entity->parent;
it->entity_next = it->entity->next;
it->entity_first_child = it->entity->first_child;
}
} else {
// NOTE: We are at the leaf node, try going across
if (it->entity != root && it->entity_next) {
it->entity = it->entity_next;
it->entity_parent = it->entity->parent;
it->entity_next = it->entity->next;
it->entity_first_child = it->entity->first_child;
ascending_tree = false;
}
// NOTE: Try descend again
if (it->entity_first_child && !ascending_tree) {
while (it->entity_first_child) {
it->entity = it->entity_first_child;
it->entity_parent = it->entity->parent;
it->entity_next = it->entity->next;
it->entity_first_child = it->entity->first_child;
}
}
// NOTE: If we could not move further across or down then we've
// exhausted the tree, start moving up.
if (it->last_visited == it->entity) {
it->entity = it->entity_parent;
it->entity_parent = it->entity->parent;
it->entity_next = it->entity->next;
it->entity_first_child = it->entity->first_child;
}
}
return it->entity->handle != root->handle;
}
// NOTE: Parent entity
static void FP_Game_PushParentEntity(FP_Game *game, FP_GameEntityHandle handle)
{
DQN_ASSERTF(game->play.parent_entity_stack.size >= 1, "Sentinel/nil entity has not been assigned as the 0th slot yet");
if (game)
Dqn_FArray_Add(&game->play.parent_entity_stack, handle);
}
static void FP_Game_PopParentEntity(FP_Game *game)
{
// NOTE: 0th slot is reserved for the nil entity
if (game && game->play.parent_entity_stack.size > 1)
Dqn_FArray_PopBack(&game->play.parent_entity_stack, 1);
}
static FP_GameEntityHandle FP_Game_ActiveParentEntity(FP_Game const *game)
{
FP_GameEntityHandle result = {};
if (!game || !game->play.parent_entity_stack.size)
return result;
result = game->play.parent_entity_stack.data[game->play.parent_entity_stack.size - 1];
return result;
}
static FP_GameEntity *FP_Game_ActiveParentEntityPointer(FP_Game const *game)
{
FP_GameEntityHandle handle = FP_Game_ActiveParentEntity(game);
FP_GameEntity *result = FP_Game_GetEntity(DQN_CAST(FP_Game *)game, handle);
return result;
}
static FP_GameEntity *FP_Game_MakeEntityPointerFV(FP_Game *game, DQN_FMT_STRING_ANNOTATE char const *fmt, va_list args)
{
FP_GameEntity *result = nullptr;
if (!game)
return result;
DQN_ASSERTF(game->play.entities.size > 0, "Sentinel/nil entity has not been initialised yet");
DQN_ASSERTF(game->play.root_entity, "Sentinel/nil entity has not been assigned yet");
result = game->play.root_entity; // TODO(doyle): Root entity or ... the nil entity?
if (game->play.entity_free_list) {
result = game->play.entity_free_list;
game->play.entity_free_list = game->play.entity_free_list->next;
result->next = nullptr;
} else {
if (game->play.entities.size > FP_GAME_ENTITY_HANDLE_INDEX_MAX)
return result;
result = Dqn_VArray_Make(&game->play.entities, Dqn_ZeroMem_Yes);
if (!result)
return result;
result->handle.id = (game->play.entities.size - 1) & FP_GAME_ENTITY_HANDLE_INDEX_MASK;
}
result->sprite_height.meters = 1;
result->parent = FP_Game_ActiveParentEntityPointer(game);
result->name = TELY_ChunkPool_AllocFmtFV(game->play.chunk_pool, fmt, args);
result->buildings_visited = FP_SentinelList_Init<FP_GameEntityHandle>(game->play.chunk_pool);
result->action.sprite_alpha = 1.f;
result->stamina_cap = 93;
result->hp_cap = DQN_CAST(uint32_t)(FP_DEFAULT_DAMAGE * .8f);
result->hp = result->hp_cap;
result->inventory.airports_base_price = 100;
result->inventory.churchs_base_price = 100;
result->inventory.kennels_base_price = 100;
result->inventory.clubs_base_price = 40;
result->base_attack = FP_DEFAULT_DAMAGE;
result->hp_recover_every_n_ticks = 12;
result->inventory.stamina_base_price = 10;
result->inventory.health_base_price = 10;
result->inventory.mobile_plan_base_price = 10;
result->inventory.attack_base_price = 10;
// NOTE: Attach entity as a child to the parent
FP_GameEntity *parent = result->parent;
if (parent->first_child)
parent->last_child->next = result;
else
parent->first_child = result;
result->prev = parent->last_child;
parent->last_child = result;
DQN_ASSERT(!result->next);
DQN_ASSERT(result->handle.id);
DQN_ASSERT(result->parent->handle == game->play.parent_entity_stack.data[game->play.parent_entity_stack.size - 1]);
return result;
}
static FP_GameEntity *FP_Game_MakeEntityPointerF(FP_Game *game, DQN_FMT_STRING_ANNOTATE char const *fmt, ...)
{
va_list args;
va_start(args, fmt);
FP_GameEntity *result = FP_Game_MakeEntityPointerFV(game, fmt, args);
va_end(args);
return result;
}
static FP_GameEntityHandle FP_Game_MakeEntityF(FP_Game *game, DQN_FMT_STRING_ANNOTATE char const *fmt, ...)
{
va_list args;
va_start(args, fmt);
FP_GameEntity *entity = FP_Game_MakeEntityPointerF(game, fmt, args);
va_end(args);
FP_GameEntityHandle result = {};
if (entity)
result = entity->handle;
return result;
}
static bool FP_Game_IsNilEntity(FP_GameEntity *entity)
{
bool result = entity ? ((entity->handle.id & FP_GAME_ENTITY_HANDLE_INDEX_MASK) == 0) : true;
return result;
}
static bool FP_Game_IsNilEntityHandle(FP_Game *game, FP_GameEntityHandle handle)
{
bool result = true;
if (handle.id != 0) {
FP_GameEntity *entity = FP_Game_GetEntity(game, handle);
result = FP_Game_IsNilEntity(entity);
}
return result;
}
static void FP_Game_DetachEntityIntoFreeList(FP_Game *game, FP_GameEntityHandle handle)
{
FP_GameEntity *entity = FP_Game_GetEntity(game, handle);
if (FP_Game_IsNilEntity(entity))
return;
// NOTE: Entities in the entity tree always have a parent (except for the
// nil/root entity). If an entity is passed in to this function and there's
// no parent, it's most likely you passed in an entity already in the free
// list (in which case only the next pointer will be set). This is most
// likely a mistake so we guard against it here.
if (!DQN_CHECK(entity->parent))
return;
uint64_t const entity_index_from_handle = entity->handle.id & FP_GAME_ENTITY_HANDLE_INDEX_MASK;
DQN_ASSERT(entity_index_from_handle < game->play.entities.size);
uint64_t const entity_generation_raw = entity->handle.id & FP_GAME_ENTITY_HANDLE_GENERATION_MASK;
uint64_t const entity_generation = entity_generation_raw >> FP_GAME_ENTITY_HANDLE_GENERATION_RSHIFT;
uint64_t const new_entity_generation = entity_generation + 1;
// NOTE: De-attach entity from adjacent children
if (entity->prev)
entity->prev->next = entity->next;
if (entity->next)
entity->next->prev = entity->prev;
// NOTE: De-attach from parent
FP_GameEntity *parent = entity->parent;
if (parent->first_child == entity)
parent->first_child = entity->next;
if (parent->last_child == entity)
parent->last_child = entity->prev;
if (entity->name.size)
TELY_ChunkPool_Dealloc(game->play.chunk_pool, entity->name.data);
FP_SentinelList_Deinit(&entity->spawn_list, game->play.chunk_pool);
FP_SentinelList_Deinit(&entity->waypoints, game->play.chunk_pool);
FP_SentinelList_Deinit(&entity->buildings_visited, game->play.chunk_pool);
if (new_entity_generation > entity_generation) {
// NOTE: Update the incremented handle disassociating all prior handles
// to this entity which would reference older generation values
*entity = {};
entity->parent = game->play.root_entity;
entity->handle.id = entity_index_from_handle | (new_entity_generation << FP_GAME_ENTITY_HANDLE_GENERATION_RSHIFT);
// NOTE: Attach entity to the free list
entity->next = game->play.entity_free_list;
entity->prev = nullptr;
game->play.entity_free_list = entity;
} else {
// NOTE: We've cycled through all possible generations for this handle
// We will not increment it and freeze it so it is no longer allocated
// out. This prevents code that is still holding onto *really* old
// handles
}
}
static void FP_Game_DeleteEntity(FP_Game *game, FP_GameEntityHandle handle)
{
uint64_t index_from_handle = handle.id & FP_GAME_ENTITY_HANDLE_INDEX_MASK;
if (!game || !DQN_CHECK(index_from_handle < game->play.entities.size))
return;
FP_GameEntity *root = game->play.entities.data + index_from_handle;
if (root->handle != handle)
return;
// NOTE: The iterator snaps a copy of all the internal n-ary tree pointers
// so as we delete we do not accidentally invalidate any of the pointers.
for (FP_GameEntityIterator it = {}; FP_Game_DFSPostOrderWalkEntityTree(game, &it, root); ) {
DQN_ASSERT(it.entity != root);
FP_GameEntity *entity = it.entity;
FP_Game_DetachEntityIntoFreeList(game, entity->handle);
}
FP_Game_DetachEntityIntoFreeList(game, root->handle);
}
static Dqn_V2 FP_Game_CalcEntityWorldPos(FP_Game const *game, FP_GameEntityHandle handle)
{
Dqn_V2 result = {};
if (!game)
return result;
FP_GameEntity const *first = FP_Game_GetEntity(DQN_CAST(FP_Game *)game, handle);
for (FP_GameEntity const *entity = first; entity != game->play.root_entity; entity = entity->parent)
result += entity->local_pos;
return result;
}
static Dqn_Rect FP_Game_CalcEntityLocalHitBox(FP_Game const *game, FP_GameEntityHandle handle)
{
FP_GameEntity *entity = FP_Game_GetEntity(DQN_CAST(FP_Game *)game, handle);
Dqn_V2 half_hit_box_size = entity->local_hit_box_size * .5f;
Dqn_Rect result = Dqn_Rect_InitV2x2(entity->local_hit_box_offset - half_hit_box_size, entity->local_hit_box_size);
return result;
}
static Dqn_Rect FP_Game_CalcEntityWorldHitBox(FP_Game const *game, FP_GameEntityHandle handle)
{
FP_GameEntity *entity = FP_Game_GetEntity(DQN_CAST(FP_Game *) game, handle);
Dqn_V2 world_pos = FP_Game_CalcEntityWorldPos(game, handle);
Dqn_Rect local_hit_box = FP_Game_CalcEntityLocalHitBox(game, entity->handle);
Dqn_Rect result = Dqn_Rect_InitV2x2(world_pos + local_hit_box.pos, local_hit_box.size);
return result;
}
static Dqn_Rect FP_Game_CalcEntityAttackWorldHitBox(FP_Game const *game, FP_GameEntityHandle handle)
{
FP_GameEntity *entity = FP_Game_GetEntity(DQN_CAST(FP_Game *) game, handle);
Dqn_V2 world_pos = FP_Game_CalcEntityWorldPos(game, handle);
Dqn_V2 half_hit_box_size = entity->attack_box_size * .5f;
Dqn_Rect result = Dqn_Rect_InitV2x2(world_pos + entity->attack_box_offset - half_hit_box_size, entity->attack_box_size);
return result;
}
static Dqn_FArray<Dqn_Rect, FP_GameDirection_Count> FP_Game_CalcEntityMeleeAttackBoxes(FP_Game const *game, FP_GameEntityHandle handle)
{
Dqn_FArray<Dqn_Rect, FP_GameDirection_Count> result = {};
Dqn_Rect hit_box = FP_Game_CalcEntityWorldHitBox(game, handle);
DQN_FOR_UINDEX (dir_index, FP_GameDirection_Count) {
Dqn_Rect *rect = Dqn_FArray_Make(&result, Dqn_ZeroMem_Yes);
rect->size = hit_box.size;
switch (dir_index) {
case FP_GameDirection_Left: {
rect->pos = Dqn_Rect_InterpolatedPoint(hit_box, Dqn_V2_InitNx2(-1.f, 0.f));
} break;
case FP_GameDirection_Right: {
rect->pos = Dqn_Rect_InterpolatedPoint(hit_box, Dqn_V2_InitNx2(+1.f, 0.f));
} break;
case FP_GameDirection_Up: {
rect->pos = Dqn_Rect_InterpolatedPoint(hit_box, Dqn_V2_InitNx2(0.f, -1.f));
} break;
case FP_GameDirection_Down: {
rect->pos = Dqn_Rect_InterpolatedPoint(hit_box, Dqn_V2_InitNx2(0.f, +1.f));
} break;
case FP_GameDirection_Count: break;
}
}
return result;
}
static Dqn_Rect FP_Game_CalcEntityArrayWorldBoundingBox(FP_Game const *game, FP_GameEntityHandle const *handles, Dqn_usize count)
{
Dqn_Rect result = {};
if (!game || !handles)
return result;
DQN_FOR_UINDEX(index, count) {
FP_GameEntityHandle handle = handles[index];
FP_GameEntity const *entity = FP_Game_GetEntity(DQN_CAST(FP_Game *) game, handle);
Dqn_Rect bbox = FP_Game_CalcEntityLocalHitBox(game, entity->handle);
for (FP_GameShape const &shape_ : entity->shapes) {
FP_GameShape const *shape = &shape_;
switch (shape->type) {
case FP_GameShapeType_None: {
} break;
case FP_GameShapeType_Circle: {
Dqn_Rect rect =
Dqn_Rect_InitV2x2(shape->p1 - shape->circle_radius, Dqn_V2_InitNx1(shape->circle_radius * 2.f));
bbox = Dqn_Rect_Union(bbox, rect);
} break;
case FP_GameShapeType_Rect: /*FALLTHRU*/
case FP_GameShapeType_Line: {
Dqn_V2 min = Dqn_V2_Min(shape->p1, shape->p2);
Dqn_V2 max = Dqn_V2_Max(shape->p1, shape->p2);
Dqn_Rect rect = Dqn_Rect_InitV2x2(min, max - min);
if (shape->type == FP_GameShapeType_Rect)
rect.pos -= rect.size * .5f;
bbox = Dqn_Rect_Union(bbox, rect);
} break;
}
}
bbox.pos += FP_Game_CalcEntityWorldPos(game, entity->handle);
if (index)
result = Dqn_Rect_Union(result, bbox);
else
result = bbox;
}
return result;
}
static Dqn_Rect FP_Game_CalcEntityWorldBoundingBox(FP_Game *game, FP_GameEntityHandle handle)
{
Dqn_Rect result = FP_Game_CalcEntityArrayWorldBoundingBox(game, &handle, 1);
return result;
}
// Reset the timers and animation for the current action and set the duration
// for the new action.
static void FP_Game_EntityActionReset(FP_Game *game, FP_GameEntityHandle entity_handle, uint64_t duration_ms, TELY_AssetAnimatedSprite sprite)
{
FP_GameEntity *entity = FP_Game_GetEntity(game, entity_handle);
if (!entity)
return;
entity->action.sprite = sprite;
entity->action.started_at_clock_ms = game->play.clock_ms;
entity->action.end_at_clock_ms = DQN_MAX(duration_ms, game->play.clock_ms + duration_ms);
}
static Dqn_V2I FP_Game_WorldPosToTilePos(FP_Game *game, Dqn_V2 world_pos)
{
Dqn_V2I result = Dqn_V2I_InitNx2(world_pos.x / game->play.tile_size, world_pos.y / game->play.tile_size);
return result;
}
static Dqn_V2 FP_Game_TilePosToWorldPos(FP_Game *game, Dqn_V2I tile_pos)
{
Dqn_V2 result = Dqn_V2_InitNx2(tile_pos.x * game->play.tile_size, tile_pos.y * game->play.tile_size);
return result;
}
static Dqn_Slice<Dqn_V2I> FP_Game_AStarPathFind(FP_Game *game,
Dqn_Arena *arena,
TELY_Platform *platform,
FP_GameEntityHandle entity,
Dqn_V2I dest_tile)
{
Dqn_Profiler_ZoneScopeWithIndex("FP_Update: A*", FP_ProfileZone_FPUpdate_AStar);
Dqn_usize tile_count_x = DQN_CAST(Dqn_usize)(platform->core.window_size.w / game->play.tile_size);
Dqn_usize tile_count_y = DQN_CAST(Dqn_usize)(platform->core.window_size.h / game->play.tile_size);
Dqn_Slice<Dqn_V2I> result = {};
if (dest_tile.x < 0 || dest_tile.x > tile_count_x ||
dest_tile.y < 0 || dest_tile.y > tile_count_y)
return result;
Dqn_DSMap<FP_GameAStarNode> astar_info = Dqn_DSMap_Init<FP_GameAStarNode>(128);
DQN_DEFER { Dqn_DSMap_Deinit(&astar_info); };
// NOTE: Enumerate the entities that are collidable ============================================
bool dest_tile_is_non_traversable = false;
auto zone_enum_collidables = Dqn_Profiler_BeginZoneWithIndex(DQN_STRING8("FP_Update: A* enumerate collidables"), FP_ProfileZone_FPUpdate_AStarEnumerateCollidables);
for (FP_GameEntityIterator it = {}; FP_Game_DFSPreOrderWalkEntityTree(game, &it, game->play.root_entity); ) {
FP_GameEntity const *walk_entity = it.entity;
if (entity == walk_entity->handle)
continue;
if ((walk_entity->flags & FP_GameEntityFlag_NonTraversable) == 0)
continue;
// NOTE: Mark tiles that the entity is on as non-traversable
Dqn_Rect bounding_box = FP_Game_CalcEntityWorldBoundingBox(game, walk_entity->handle);
Dqn_RectMinMax min_max = Dqn_Rect_MinMax(bounding_box);
Dqn_V2I min_tile = FP_Game_WorldPosToTilePos(game, min_max.min);
Dqn_V2I max_tile = FP_Game_WorldPosToTilePos(game, min_max.max);
for (int32_t y = min_tile.y; y < max_tile.y; y++) {
for (int32_t x = min_tile.x; x < max_tile.x; x++) {
uint64_t tile_u64 = (DQN_CAST(uint64_t)y << 32) | (DQN_CAST(uint64_t)x << 0);
FP_GameAStarNode *node = Dqn_DSMap_MakeKeyU64(&astar_info, tile_u64).value;
node->non_traversable = true;
node->tile = Dqn_V2I_InitNx2(x, y);
if (node->tile == dest_tile)
dest_tile_is_non_traversable = true;
}
}
}
Dqn_Profiler_EndZone(zone_enum_collidables);
// NOTE: Setup A* state ========================================================================
Dqn_V2 entity_world_pos = FP_Game_CalcEntityWorldPos(game, entity);
Dqn_V2I src_tile = FP_Game_WorldPosToTilePos(game, entity_world_pos);
Dqn_FArray<Dqn_V2I, 128> frontier = {};
Dqn_FArray_Add(&frontier, src_tile);
// NOTE: Initialise the starting cost
uint64_t src_tile_u64 = (DQN_CAST(uint64_t)src_tile.y << 32) | (DQN_CAST(uint64_t)src_tile.x << 0);
Dqn_DSMap_MakeKeyU64(&astar_info, src_tile_u64).value->tile = src_tile;
// NOTE: Do the A* process =====================================================================
Dqn_usize last_successful_manhattan_dist = DQN_USIZE_MAX;
Dqn_V2I last_successful_tile = src_tile;
auto zone_astar_expand = Dqn_Profiler_BeginZoneWithIndex(DQN_STRING8("FP_Update: A* expand"), FP_ProfileZone_FPUpdate_AStarExpand);
while (frontier.size) {
Dqn_Profiler_ZoneScopeWithIndex("FP_Update: A* neighbours", FP_ProfileZone_FPUpdate_AStarExploreNeighbours);
Dqn_V2I curr_tile = Dqn_FArray_PopFront(&frontier, 1);
if (curr_tile == dest_tile)
break;
Dqn_FArray<Dqn_V2I, 4> neighbours = {};
{
Dqn_V2I left = Dqn_V2I_InitNx2(curr_tile.x - 1, curr_tile.y);
Dqn_V2I right = Dqn_V2I_InitNx2(curr_tile.x + 1, curr_tile.y);
Dqn_V2I top = Dqn_V2I_InitNx2(curr_tile.x, curr_tile.y - 1);
Dqn_V2I bottom = Dqn_V2I_InitNx2(curr_tile.x, curr_tile.y + 1);
if (left.x >= 0)
Dqn_FArray_Add(&neighbours, left);
if (right.x <= tile_count_x)
Dqn_FArray_Add(&neighbours, right);
if (top.y >= 0)
Dqn_FArray_Add(&neighbours, top);
if (bottom.y <= tile_count_y)
Dqn_FArray_Add(&neighbours, bottom);
}
uint64_t const curr_tile_u64 = (DQN_CAST(uint64_t)curr_tile.y << 32) | (DQN_CAST(uint64_t)curr_tile.x << 0);
Dqn_usize const curr_cost = Dqn_DSMap_FindKeyU64(&astar_info, curr_tile_u64).value->cost;
for (Dqn_V2I next_tile : neighbours) {
// NOTE: Calculate cost to move to this neighbouring tile.
Dqn_usize new_cost = curr_cost + 1;
uint64_t next_tile_u64 = (DQN_CAST(uint64_t)next_tile.y << 32) | (DQN_CAST(uint64_t)next_tile.x << 0);
Dqn_DSMapResult<FP_GameAStarNode> next_cost_result = Dqn_DSMap_MakeKeyU64(&astar_info, next_tile_u64);
next_cost_result.value->tile = next_tile;
// NOTE: We got as close as possible, we know it's impossible to
// reach, we will stop here.
// TODO(doyle): Doesn't work in the general case, what if there's a
// 2 consecutive blocks that are not traversable, we will never
// realise that
if (dest_tile == next_tile && dest_tile_is_non_traversable) {
Dqn_FArray_Clear(&frontier);
break;
}
if (next_cost_result.value->non_traversable)
continue;
// NOTE: If we have already visited this node before, we only keep the cost if it's cheaper
if (next_cost_result.found && new_cost >= next_cost_result.value->cost)
continue;
// NOTE: Update the node cost value and the heuristic (estimated cost to the end)
Dqn_usize manhattan_dist = DQN_ABS(dest_tile.x - next_tile.x) + DQN_ABS(dest_tile.y - next_tile.y);
next_cost_result.value->cost = new_cost;
next_cost_result.value->came_from = curr_tile;
next_cost_result.value->heuristic = new_cost + manhattan_dist;
// NOTE: Store the last node we visited that had the best cost.
// We may end up with a partial path find that could only get
// part-way to the solution which this variable will track for us.
if (manhattan_dist < last_successful_manhattan_dist) {
last_successful_manhattan_dist = manhattan_dist;
last_successful_tile = next_tile;
}
// TODO(doyle): Find the insert location into the frontier
bool inserted = false;
DQN_FOR_UINDEX(index, frontier.size) {
Dqn_V2I frontier_tile = frontier.data[index];
uint64_t frontier_tile_u64 = DQN_CAST(uint64_t)frontier_tile.y << 32 | DQN_CAST(uint64_t)frontier_tile.x << 0;
Dqn_usize frontier_heuristic = Dqn_DSMap_FindKeyU64(&astar_info, frontier_tile_u64).value->heuristic;
if (next_cost_result.value->heuristic >= frontier_heuristic)
continue;
Dqn_FArray_Insert(&frontier, index, next_tile);
inserted = true;
break;
}
if (inserted)
continue;
Dqn_FArray_Add(&frontier, next_tile);
}
}
Dqn_Profiler_EndZone(zone_astar_expand);
#if 0
TELY_Renderer *renderer = &platform->renderer;
for (uint32_t old_index = 1 /*Sentinel*/; old_index < astar_info.occupied; old_index++) {
Dqn_DSMapSlot<FP_GameAStarNode> const *slot = astar_info.slots + old_index;
FP_GameAStarNode const *node = &slot->value;
Dqn_V2 pos = FP_Game_TilePosToWorldPos(game, node->tile) + (game->play.tile_size * .5f);
TELY_Render_CircleColourV4(renderer, pos, 4.f, TELY_RenderShapeMode_Fill, TELY_COLOUR_BLUE_CADET_V4);
}
#endif
Dqn_usize slice_size = 0;
for (Dqn_V2I it = last_successful_tile; it != src_tile; slice_size++) {
uint64_t key_u64 = (DQN_CAST(uint64_t)it.y << 32) | (DQN_CAST(uint64_t)it.x << 0);
it = Dqn_DSMap_FindKeyU64(&astar_info, key_u64).value->came_from;
}
result = Dqn_Slice_Alloc<Dqn_V2I>(arena, slice_size, Dqn_ZeroMem_No);
slice_size = 0;
for (Dqn_V2I it = last_successful_tile; it != src_tile; ) {
result.data[slice_size++] = it;
uint64_t key_u64 = (DQN_CAST(uint64_t)it.y << 32) | (DQN_CAST(uint64_t)it.x << 0);
it = Dqn_DSMap_FindKeyU64(&astar_info, key_u64).value->came_from;
}
DQN_ASSERT(result.size == slice_size);
return result;
}
static Dqn_V2 FP_Game_CalcWaypointWorldPos(FP_Game *game, FP_GameEntityHandle entity_handle, FP_GameWaypoint const *waypoint)
{
Dqn_V2 result = {};
if (!game || !waypoint)
return result;
FP_GameEntity *waypoint_entity = FP_Game_GetEntity(game, waypoint->entity);
if (FP_Game_IsNilEntity(waypoint_entity))
return result;
// NOTE: We found a waypoint that is valid to move towards
switch (waypoint->type) {
case FP_GameWaypointType_At: {
result = FP_Game_CalcEntityWorldPos(game, waypoint_entity->handle);
} break;
case FP_GameWaypointType_ClosestSide: /*FALLTHRU*/
case FP_GameWaypointType_Side: {
// NOTE: Sweep entity with half the radius of the source entity
Dqn_Rect entity_hit_box = FP_Game_CalcEntityWorldHitBox(game, entity_handle);
Dqn_Rect waypoint_hit_box = FP_Game_CalcEntityWorldHitBox(game, waypoint_entity->handle);
waypoint_hit_box.pos -= (entity_hit_box.size * .5f);
waypoint_hit_box.size += entity_hit_box.size;
Dqn_V2 side_pos_list[FP_GameDirection_Count] = {};
side_pos_list[FP_GameDirection_Up] = Dqn_V2_InitNx2(waypoint_hit_box.pos.x + waypoint_hit_box.size.w * .5f, waypoint_hit_box.pos.y - waypoint_hit_box.size.h * .1f);
side_pos_list[FP_GameDirection_Down] = Dqn_V2_InitNx2(waypoint_hit_box.pos.x + waypoint_hit_box.size.w * .5f, waypoint_hit_box.pos.y + waypoint_hit_box.size.h + waypoint_hit_box.size.h * .1f);
side_pos_list[FP_GameDirection_Left] = Dqn_V2_InitNx2(waypoint_hit_box.pos.x - waypoint_hit_box.size.w * .1f, waypoint_hit_box.pos.y + waypoint_hit_box.size.h * .5f);
side_pos_list[FP_GameDirection_Right] = Dqn_V2_InitNx2(waypoint_hit_box.pos.x + waypoint_hit_box.size.w + waypoint_hit_box.size.w * .1f, waypoint_hit_box.pos.y + waypoint_hit_box.size.h * .5f);
if (waypoint->type == FP_GameWaypointType_Side) {
result = side_pos_list[waypoint->type_direction];
} else {
Dqn_f32 best_dist = DQN_F32_MAX;
for (Dqn_V2 target_pos : side_pos_list) {
Dqn_f32 dist_squared = Dqn_V2_LengthSq_V2x2(entity_hit_box.pos, target_pos);
if (dist_squared < best_dist) {
best_dist = dist_squared;
result = target_pos;
}
}
}
} break;
case FP_GameWaypointType_Queue: {
Dqn_ArrayFindResult<FP_GameEntityHandle> find_result = Dqn_FArray_Find<FP_GameEntityHandle>(&waypoint_entity->building_queue, entity_handle);
Dqn_usize index_in_queue = find_result.index;
Dqn_Rect waypoint_hit_box = FP_Game_CalcEntityWorldHitBox(game, waypoint_entity->handle);
Dqn_V2 queue_starting_p = {};
if (waypoint_entity->type == FP_EntityType_ClubTerry || waypoint_entity->type == FP_EntityType_ChurchTerry) {
queue_starting_p = Dqn_Rect_InterpolatedPoint(waypoint_hit_box, Dqn_V2_InitNx2(0.5f, 1.1f));
} else {
queue_starting_p = Dqn_Rect_InterpolatedPoint(waypoint_hit_box, Dqn_V2_InitNx2(1.f, 1.1f));
}
Dqn_f32 queue_spacing = FP_Game_MetersToPixelsNx1(game->play, 1.f);
result = Dqn_V2_InitNx2(queue_starting_p.x - (queue_spacing * index_in_queue), queue_starting_p.y);
} break;
}
result += waypoint->offset;
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->play.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;
}
static FP_GameFindClosestEntityResult FP_Game_FindClosestEntityWithType(FP_Game *game, FP_GameEntityHandle src, FP_GameEntityHandle *entities, Dqn_usize size)
{
FP_GameFindClosestEntityResult result = {};
result.dist_squared = DQN_F32_MAX;
result.pos = Dqn_V2_InitNx1(DQN_F32_MAX);
Dqn_V2 src_pos = FP_Game_CalcEntityWorldPos(game, src);
DQN_FOR_UINDEX (index, size) {
FP_GameEntityHandle entity_handle = entities[index];
FP_GameEntity *entity = FP_Game_GetEntity(game, entity_handle);
if (FP_Game_IsNilEntity(entity))
continue;
Dqn_V2 pos = FP_Game_CalcEntityWorldPos(game, 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 = entity->handle;
}
}
return result;
}
static bool FP_Game_CanEntityAttack(FP_GameEntity *entity, uint64_t current_time_ms)
{
bool result = (current_time_ms - entity->last_attack_timestamp) >= entity->attack_cooldown_ms;
return result;
}
static void FP_Game_EntityTransitionState(FP_Game *game, FP_GameEntity *entity, uint32_t desired_state)
{
switch (entity->type) {
case FP_EntityType_Terry: {
if (desired_state == FP_EntityTerryState_Attack ||
desired_state == FP_EntityTerryState_RangeAttack) {
if (!FP_Game_CanEntityAttack(entity, game->play.clock_ms)) {
// NOTE: Cooldown not met do not transition
return;
}
entity->last_attack_timestamp = game->play.clock_ms;
if (desired_state == FP_EntityTerryState_RangeAttack) {
if (entity->terry_mobile_data_plan < FP_TERRY_MOBILE_DATA_PER_RANGE_ATTACK)
return;
}
} else if (desired_state == FP_EntityTerryState_Dash) {
if (entity->stamina < FP_TERRY_DASH_STAMINA_COST)
return;
}
} break;
case FP_EntityType_Smoochie: {
if (desired_state == FP_EntitySmoochieState_Attack) {
if (!FP_Game_CanEntityAttack(entity, game->play.clock_ms)) {
// NOTE: Cooldown not met do not transition
return;
}
entity->last_attack_timestamp = game->play.clock_ms;
}
} break;
case FP_EntityType_Clinger: {
if (desired_state == FP_EntityClingerState_Attack) {
if (!FP_Game_CanEntityAttack(entity, game->play.clock_ms)) {
// NOTE: Cooldown not met do not transition
return;
}
entity->last_attack_timestamp = game->play.clock_ms;
}
} break;
case FP_EntityType_Catfish: {
if (desired_state == FP_EntityClingerState_Attack) {
if (!FP_Game_CanEntityAttack(entity, game->play.clock_ms)) {
// NOTE: Cooldown not met do not transition
return;
}
entity->last_attack_timestamp = game->play.clock_ms;
}
} break;
case FP_EntityType_AirportTerry: {
} break;
case FP_EntityType_ChurchTerry: {
} break;
case FP_EntityType_ClubTerry: {
} break;
case FP_EntityType_Nil:
case FP_EntityType_Heart:
case FP_EntityType_KennelTerry:
case FP_EntityType_Map:
case FP_EntityType_MerchantGraveyard:
case FP_EntityType_MerchantGym:
case FP_EntityType_MerchantPhoneCompany:
case FP_EntityType_MerchantTerry:
case FP_EntityType_PhoneMessageProjectile:
case FP_EntityType_Count: break;
case FP_EntityType_AirportTerryPlane:
case FP_EntityType_MobSpawner:
case FP_EntityType_PortalMonkey: break;
case FP_EntityType_Billboard: break;
}
// NOTE: If no returns are hit above we proceed with the state change
entity->action.next_state = desired_state;
}
static void FP_GameRenderScanlines(TELY_Renderer *renderer,
Dqn_f32 scanline_gap,
Dqn_f32 scanline_thickness,
Dqn_V2 screen_size)
{
TELY_Render_PushTransform(renderer, Dqn_M2x3_Identity());
DQN_DEFER { TELY_Render_PopTransform(renderer); };
Dqn_f32 scanline_interval = scanline_gap + scanline_thickness;
for (Dqn_f32 y = 0; y < screen_size.h; y += scanline_interval) {
Dqn_V2 start = Dqn_V2_InitNx2(0, y);
Dqn_V2 end = Dqn_V2_InitNx2(screen_size.w, y);
TELY_Render_LineColourV4(renderer, start, end, TELY_Colour_V4Alpha(TELY_COLOUR_WHITE_V4, 0.1f), scanline_thickness);
}
}
static FP_GameCanMoveToPositionResult FP_Game_CanEntityMoveToPosition(FP_Game *game, FP_GameEntityHandle entity_handle, Dqn_V2 delta_pos)
{
FP_GameCanMoveToPositionResult result = {};
FP_GameEntity *entity = FP_Game_GetEntity(game, entity_handle);
if (FP_Game_IsNilEntity(entity))
return result;
Dqn_Rect const entity_world_hit_box = FP_Game_CalcEntityWorldHitBox(game, entity->handle);
Dqn_V2 const entity_pos = FP_Game_CalcEntityWorldPos(game, entity->handle);
Dqn_f32 const SENTINEL_T = 999.f;
Dqn_f32 global_earliest_t = SENTINEL_T;
Dqn_V2 global_earliest_pos_just_before_collide = {};
Dqn_V2 const entity_new_pos = entity_pos + delta_pos;
if ((entity->flags & FP_GameEntityFlag_NoClip) == 0) {
for (FP_GameEntityIterator collider_it = {}; FP_Game_DFSPostOrderWalkEntityTree(game, &collider_it, game->play.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 skip_colliding_with_player = false;
for (FP_GameEntityHandle player : game->play.players) {
if (player == collider->handle) {
skip_colliding_with_player = true;
break;
}
}
if (skip_colliding_with_player)
continue;
bool entity_collides_with_collider = true;
switch (entity->type) {
case FP_EntityType_Catfish: /*FALLTHRU*/
case FP_EntityType_Smoochie: /*FALLTHRU*/
case FP_EntityType_Clinger: {
if (collider->type == FP_EntityType_Smoochie || collider->type == FP_EntityType_Clinger || collider->type == FP_EntityType_Catfish) {
entity_collides_with_collider = false;
} else if (FP_Entity_IsBuildingForMobs(collider)) {
#if 0
// NOTE: We disable collision on buildings we have visited to avoid some
// problems ...
if (FP_SentinelList_Find(&entity->buildings_visited, collider->handle)) {
entity_collides_with_collider = false;
}
#else
entity_collides_with_collider = false;
#endif
} else if (collider->type == FP_EntityType_Heart ||
collider->type == FP_EntityType_MerchantGym ||
collider->type == FP_EntityType_MerchantTerry ||
collider->type == FP_EntityType_MerchantGraveyard ||
collider->type == FP_EntityType_MerchantPhoneCompany) {
entity_collides_with_collider = false;
}
} break;
case FP_EntityType_Terry: {
// NOTE: Don't collide with mobs when dashing (e.g. phase through)
FP_EntityTerryState state = *DQN_CAST(FP_EntityTerryState *)&entity->action.state;
if (state == FP_EntityTerryState_Dash || state == FP_EntityTerryState_DeadGhost) {
if (collider->type == FP_EntityType_Smoochie || collider->type == FP_EntityType_Clinger || collider->type == FP_EntityType_Catfish)
entity_collides_with_collider = false;
}
} break;
case FP_EntityType_Nil: break;
case FP_EntityType_MerchantTerry: break;
case FP_EntityType_Count: break;
case FP_EntityType_ClubTerry: break;
case FP_EntityType_Map: break;
case FP_EntityType_MerchantGraveyard: break;
case FP_EntityType_MerchantGym: break;
case FP_EntityType_MerchantPhoneCompany: break;
case FP_EntityType_Heart: break;
case FP_EntityType_AirportTerry: break;
case FP_EntityType_ChurchTerry: break;
case FP_EntityType_KennelTerry: break;
case FP_EntityType_PhoneMessageProjectile: break;
case FP_EntityType_AirportTerryPlane:
case FP_EntityType_MobSpawner:
case FP_EntityType_PortalMonkey: break;
case FP_EntityType_Billboard: 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);
if (Dqn_V2_Area(collider_world_hit_box.size) <= 0)
continue;
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 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 < global_earliest_t) {
global_earliest_t = earliest_t;
global_earliest_pos_just_before_collide = entity_pos + (d * earliest_t);
}
}
}
result.yes = global_earliest_t == SENTINEL_T;
if (!result.yes)
result.next_closest_valid_move = delta_pos * global_earliest_t;
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(FP_GAME_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->play, 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 const delta_pos = (acceleration * 0.5f * t_squared) + (entity->velocity * t);
Dqn_Rect const entity_world_hit_box = FP_Game_CalcEntityWorldHitBox(game, entity->handle);
Dqn_V2 const entity_pos = FP_Game_CalcEntityWorldPos(game, entity->handle);
Dqn_V2 const entity_new_pos = entity_pos + delta_pos;
FP_GameCanMoveToPositionResult move_to_result = FP_Game_CanEntityMoveToPosition(game, entity->handle, delta_pos);
if (move_to_result.yes) {
entity->local_pos += delta_pos;
} else {
entity->local_pos += move_to_result.next_closest_valid_move;
}
}
static Dqn_Rect FP_Game_GetBuildingPlacementRectForEntity(FP_Game *game, FP_GamePlaceableBuilding placeable_building, FP_GameEntityHandle handle)
{
Dqn_Rect result = {};
FP_GameEntity *entity = FP_Game_GetEntity(game, handle);
if (FP_Game_IsNilEntity(entity))
return result;
FP_EntityRenderData render_data = FP_Entity_GetRenderData(game, placeable_building.type, placeable_building.state, entity->direction);
Dqn_Rect box = FP_Game_CalcEntityWorldHitBox(game, entity->handle);
Dqn_V2 build_p = {};
switch (entity->direction) {
case FP_GameDirection_Up: {
build_p = Dqn_Rect_InterpolatedPoint(box, Dqn_V2_InitNx2(0.5f, 0.f)) - Dqn_V2_InitNx2(0.f, render_data.render_size.h * .5f + 10.f);
} break;
case FP_GameDirection_Down: {
build_p = Dqn_Rect_InterpolatedPoint(box, Dqn_V2_InitNx2(0.5f, 1.f)) + Dqn_V2_InitNx2(0.f, render_data.render_size.h * .5f + 10.f);
} break;
case FP_GameDirection_Left: {
build_p = Dqn_Rect_InterpolatedPoint(box, Dqn_V2_InitNx2(0.0f, 0.5f)) - Dqn_V2_InitNx2(render_data.render_size.w * .5f + 10.f, 0);
} break;
case FP_GameDirection_Right: {
build_p = Dqn_Rect_InterpolatedPoint(box, Dqn_V2_InitNx2(1.f, 0.5f)) + Dqn_V2_InitNx2(render_data.render_size.w * .5f + 10.f, 0);
} break;
case FP_GameDirection_Count: DQN_INVALID_CODE_PATH; break;
}
result.size = render_data.render_size;
result.pos = build_p - (render_data.render_size * .5f);
return result;
}
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