rpuzonas/feed-the-eternal-fire
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optimize minion iteration

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Rokas Puzonas 2026-07-19 10:58:24 +03:00
parent e4307fb543
commit ae088c5a0e
1 changed files with 17 additions and 11 deletions
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28
src/app.zig
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@ -36,6 +36,9 @@ entities_buffer: [max_entities]EntitySlotMap.Slot,
entities: EntitySlotMap,
eternal_flame_id: EntityId,
minions_buffer: [max_entities]EntityId,
minions: std.ArrayList(EntityId),
upgrades: Upgrades,
shop: Shop,
@ -63,7 +66,7 @@ const terrain_width = 160;
const terrain_height = 70;
const terrain_tile_size = Vec2.init(32, 32);
const EntitySlotMap = SlotMapType(u16, u16, Entity);
const EntitySlotMap = SlotMapType(std.math.IntFittingRange(0, max_entities-1), u16, Entity);
const EntityId = EntitySlotMap.Id;
const Tilesheet = struct {
@ -662,6 +665,9 @@ pub fn init(self: *App, plt: Platform.Init) !?u8 {
.shop = undefined,
.gradient_sprite = gradient_sprite,
.minions_buffer = undefined,
.minions = .initBuffer(&self.minions_buffer),
.terrain_sheet = terrain_sheet,
.terrain_tiles = terrain_tiles,
};
@ -892,7 +898,7 @@ fn spawnEntity(self: *App, e: Entity) ?EntityId {
pub fn spawnMinion(self: *App, pos: Vec2) void {
const character_size = Vec2.init(96, 96);
_ = self.spawnEntity(Entity{
const minion_id = self.spawnEntity(Entity{
.type = .minion,
.flags = .{
.has_kinematics = true
@ -905,7 +911,9 @@ pub fn spawnMinion(self: *App, pos: Vec2) void {
.pos = .init(-character_size.x/2, -character_size.y*0.7),
.size = character_size,
}
});
}) orelse return;
self.minions.appendAssumeCapacity(minion_id);
}
pub fn spawnWoodStation(self: *App, pos: f32) void {
@ -1330,6 +1338,8 @@ fn removeMinion(self: *App, minion_id: EntityId) void {
wood.flags.has_kinematics = true;
}
_ = self.minions.swapRemove(std.mem.indexOfScalar(EntityId, self.minions.items, minion_id).?);
self.entities.removeAssumeExists(minion_id);
}
@ -1733,8 +1743,7 @@ fn showDebug(self: *App, plt: Platform.Frame) !void {
if (ImGUI.beginTabItem("Wood")) {
defer ImGUI.endTabItem();
var minion_iter = self.initEntityIteratorByType(.minion);
while (minion_iter.next()) |minion_id| {
for (self.minions.items) |minion_id| {
const minion = self.entities.getAssumeExists(minion_id);
ImGUI.text("{f}, len: {}, wood_head: {?f}", .{minion_id, minion.minion_carried_wood_len, minion.minion_carried_wood_head});
}
@ -1750,8 +1759,7 @@ fn showDebug(self: *App, plt: Platform.Frame) !void {
if (ImGUI.beginTabItem("Minions")) {
defer ImGUI.endTabItem();
var minion_iter = self.initEntityIteratorByType(.minion);
while (minion_iter.next()) |minion_id| {
for (self.minions.items) |minion_id| {
const minion = self.entities.getAssumeExists(minion_id);
ImGUI.text("{f}, animation: {}, acc: {}, vel: {}", .{minion_id, minion.minion_animation, minion.acc.length(), minion.vel.length()});
}
@ -1954,8 +1962,7 @@ pub fn frame(self: *App, plt: Platform.Frame) !void {
}
{
var minion_iter = self.initEntityIteratorByType(.minion);
while (minion_iter.next()) |minion_id| {
for (self.minions.items) |minion_id| {
const minion = self.entities.getAssumeExists(minion_id);
if (minion.minion_state == .wander and minion.target_entity != null) {
@ -2129,8 +2136,7 @@ pub fn frame(self: *App, plt: Platform.Frame) !void {
}
{ // Minion logic & animations
var minion_iter = self.initEntityIteratorByType(.minion);
while (minion_iter.next()) |minion_id| {
for (self.minions.items) |minion_id| {
const minion = self.entities.getAssumeExists(minion_id);
try self.minionLogic(plt, minion_id);