Fixes, balance, polish. (#53)

* WIP bgf v0.1.8.

* Fix Trooper oscillation, pause on focus loss.

* Add player death and game over SFX.

* bgf update, balance gameplay.

* Fixup Hud.

* Finalize bgf v0.1.8. Add interact SFX.

* Fixup text align, add menu fade-in, display version.

Author: karnkaul

.github/workflows/ci.yml

@@ -1,5 +1,8 @@
 name: ci
-on: [push]
+on:
+  push:
+    branches:
+      - '*'
 jobs:
   format-check:
     runs-on: ubuntu-latest
@@ -10,17 +13,15 @@ jobs:
       - name: check diff
         run: .github/format_check_diff.sh
   build-linux:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
     steps:
       - uses: actions/checkout@v4
       - name: init
-        run: |
-          sudo add-apt-repository ppa:ubuntu-toolchain-r/test
-          sudo apt update -yqq && sudo apt install -yqq ninja-build xorg-dev g++-13
+        run: sudo apt update -yqq && sudo apt install -yqq ninja-build xorg-dev
       - name: configure gcc
-        run: cmake -S . --preset=default -B build -DBAVE_BUILD_SHADERS=OFF -DBAVE_USE_FREETYPE=OFF -DCAPO_USE_OPENAL=OFF -DCMAKE_CXX_COMPILER=g++-13
+        run: cmake -S . --preset=default -B build -DBAVE_BUILD_SHADERS=OFF -DBAVE_USE_FREETYPE=OFF -DCAPO_USE_OPENAL=OFF
       - name: configure clang
-        run: cmake -S . --preset=default -B clang -DBAVE_BUILD_SHADERS=OFF -DBAVE_USE_FREETYPE=OFF -DCAPO_USE_OPENAL=OFF -DCMAKE_CXX_COMPILER=clang++-15
+        run: cmake -S . --preset=ninja-clang -B clang -DBAVE_BUILD_SHADERS=OFF -DBAVE_USE_FREETYPE=OFF -DCAPO_USE_OPENAL=OFF
       - name: build gcc
         run: cmake --build build --config=Release -- -d explain
       - name: build clang

.gitignore

@@ -16,3 +16,4 @@ bave*.log
 /spaced
 /notes.txt
 /local_store
+/massif.*

CMakeLists.txt

@@ -11,7 +11,7 @@ include(FetchContent)
 FetchContent_Declare(
   bgf
   GIT_REPOSITORY https://github.com/karnkaul/bgf
-  GIT_TAG v0.1.7
+  GIT_TAG v0.1.8
   SOURCE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/ext/bgf"
 )
 

assets/images/ship_trooper.png

@@ -34,8 +34,8 @@
   },
   "progress_bars": {
     "default": {
-      "background": "#9f2b68ff",
-      "fill": "milk",
+      "background": "#db7a7eff",
+      "fill": "#9f2b68ff",
       "corner_ratio": 0.5,
       "padding": 20
     },
@@ -81,4 +81,4 @@
       "padding": 20
     }
   }
-}
+}

assets/sfx/crunch.wav

@@ -13,5 +13,6 @@ Creep::Creep(bave::Services const& services) : Enemy(services, "Creep") {
 
 	health = 1.0f;
 	speed = 100.0f;
+	points = 10;
 }
 } // namespace spaced::enemy

assets/sfx/interact.wav

@@ -13,5 +13,6 @@ Gunner::Gunner(bave::Services const& services, bave::NotNull<GunKinetic*> gun) :
 
 	health = 2.0f;
 	speed = 120.0f;
+	points = 20;
 }
 } // namespace spaced::enemy

assets/sfx/lose.wav

@@ -10,10 +10,6 @@ using bave::Seconds;
 using bave::Services;
 using bave::Texture;
 
-namespace {
-constexpr auto at_end(float const y, float const y_min, float const y_max) { return y_min > y || y > y_max; }
-} // namespace
-
 Trooper::Trooper(Services const& services, NotNull<GunKinetic*> gun) : GunnerBase(services, gun, "Trooper") {
 	if (auto texture = services.get<Resources>().get<Texture>("images/ship_trooper.png")) {
 		m_sprite.set_size(texture->get_size());
@@ -24,6 +20,7 @@ Trooper::Trooper(Services const& services, NotNull<GunKinetic*> gun) : GunnerBas
 
 	health = 3.0f;
 	speed = 150.0f;
+	points = 30;
 }
 
 void Trooper::do_tick(Seconds const dt) {
@@ -32,6 +29,10 @@ void Trooper::do_tick(Seconds const dt) {
 	m_sprite.transform.position.y += m_direction * m_y_speed * dt.count();
 	auto const y_min = get_layout().play_area.rb.y + m_sprite.get_size().y;
 	auto const y_max = get_layout().play_area.lt.y - m_sprite.get_size().y;
-	if (at_end(m_sprite.transform.position.y, y_min, y_max)) { m_direction = -m_direction; }
+	if (m_sprite.transform.position.y < y_min) {
+		m_direction = 1.0f;
+	} else if (m_sprite.transform.position.y > y_max) {
+		m_direction = -1.0f;
+	}
 }
 } // namespace spaced::enemy

assets/styles.json

@@ -18,7 +18,7 @@ using bave::Texture;
 
 namespace ui = bave::ui;
 
-Hud::Hud(Services const& services) : ui::View(services), m_layout(&services.get<Layout>()), m_styles(&services.get<Styles>()) {
+Hud::Hud(Services const& services) : m_layout(&services.get<Layout>()), m_styles(&services.get<Styles>()) {
 	create_background();
 	create_score(services);
 	create_lives(services);
@@ -76,7 +76,7 @@ void Hud::create_score(Services const& services) {
 	m_hi_score = text.get();
 	text->text.transform.position.x = m_layout->hud_area.rb.x - 50.0f;
 	text->text.transform.position.y -= 0.5f * m_text_bounds_size.y;
-	text->text.set_align(Text::Align::eLeft);
+	text->text.set_align(Text::Align::eRight);
 	set_hi_score(0);
 	push(std::move(text));
 }
@@ -98,7 +98,7 @@ void Hud::create_lives(Services const& services) {
 	auto text = make_text(services);
 	text->text.transform.position.y -= 0.5f * m_text_bounds_size.y;
 	text->text.transform.position.x = m_lives_icon->get_position().x + m_lives_icon->get_size().x;
-	text->text.set_align(Text::Align::eRight);
+	text->text.set_align(Text::Align::eLeft);
 	text->text.set_string("0");
 	m_lives_count = text.get();
 	push(std::move(text));

src/spaced/spaced/game/enemies/creep.cpp

@@ -12,6 +12,7 @@
 #include <spaced/game/weapons/gun_beam.hpp>
 
 namespace spaced {
+using bave::IAudio;
 using bave::ParticleEmitter;
 using bave::PointerMove;
 using bave::PointerTap;
@@ -24,8 +25,8 @@ using bave::Styles;
 using bave::Texture;
 
 Player::Player(Services const& services, std::unique_ptr<IController> controller)
-	: m_services(&services), m_stats(&services.get<Stats>()), m_controller(std::move(controller)), m_on_1up(&services.get<GameSignals>().one_up),
-	  m_shield(services), m_arsenal(services) {
+	: m_services(&services), m_audio(&services.get<IAudio>()), m_stats(&services.get<Stats>()), m_controller(std::move(controller)),
+	  m_on_1up(&services.get<GameSignals>().one_up), m_shield(services), m_arsenal(services) {
 	auto const& layout = services.get<Layout>();
 	ship.transform.position.x = layout.player_x;
 
@@ -134,6 +135,8 @@ void Player::set_shield(Seconds const ttl) {
 void Player::one_up() { m_on_1up->dispatch(); }
 
 void Player::on_death(Seconds const dt) {
+	m_audio->play_sfx("sfx/crunch.wav");
+
 	m_health = 0.0f;
 	m_death = m_death_source;
 	m_death->set_position(ship.transform.position);
@@ -176,7 +179,7 @@ void Player::do_inspect() {
 		}
 		if (ImGui::TreeNodeEx("Shield", ImGuiTreeNodeFlags_Framed | ImGuiTreeNodeFlags_DefaultOpen)) {
 			auto ttl = m_shield.ttl.count();
-			if (ImGui::DragFloat("ttl", &ttl, 0.25f, 0.0f, 60.0f, "%.2f")) { m_shield.ttl = Seconds{ttl}; }
+			if (ImGui::DragFloat("ttl", &ttl, 0.25f, 0.0f, 600.0f, "%.2f")) { m_shield.ttl = Seconds{ttl}; }
 			ImGui::TreePop();
 		}
 		if (ImGui::TreeNodeEx("Status", ImGuiTreeNodeFlags_Framed | ImGuiTreeNodeFlags_DefaultOpen)) {

src/spaced/spaced/game/enemies/gunner.cpp

@@ -66,6 +66,7 @@ class Player : public IDamageable, public bave::IDrawable {
 
 	bave::Logger m_log{"Player"};
 	bave::NotNull<bave::Services const*> m_services;
+	bave::NotNull<bave::IAudio*> m_audio;
 	bave::NotNull<Stats*> m_stats;
 	std::unique_ptr<IController> m_controller;
 	bave::NotNull<Sig1up*> m_on_1up;

src/spaced/spaced/game/enemies/trooper.cpp

@@ -42,8 +42,7 @@ void Prefs::save(App const& app) const {
 	persistor.write_json(uri_v, json);
 }
 
-Prefs::View::View(NotNull<App const*> app, Services const& services)
-	: ui::View(services), m_app(app), m_audio(&services.get<IAudio>()), m_prefs(Prefs::load(*app)) {
+Prefs::View::View(NotNull<App const*> app, Services const& services) : m_app(app), m_audio(&services.get<IAudio>()), m_prefs(Prefs::load(*app)) {
 	auto const& styles = services.get<Styles>();
 
 	auto bg = std::make_unique<ui::OutlineQuad>();

src/spaced/spaced/game/hud.cpp

@@ -1,3 +1,4 @@
+#include <bave/core/fixed_string.hpp>
 #include <bave/core/random.hpp>
 #include <bave/services/resources.hpp>
 #include <spaced/game/enemies/creep.hpp>
@@ -10,6 +11,7 @@
 
 namespace spaced {
 using bave::App;
+using bave::FixedString;
 using bave::NotNull;
 using bave::random_in_range;
 using bave::Resources;
@@ -39,12 +41,39 @@ struct GunnerSpawnerT : SpawnTimer<Enemy> {
 
 using GunnerSpawner = GunnerSpawnerT<enemy::Gunner>;
 using TrooperSpawner = GunnerSpawnerT<enemy::Trooper>;
+
+auto roll_check(int const space) {
+	if (space <= 0) { return true; }
+	return random_in_range(0, space) == 0;
+}
+
+auto get_creep_spawn_rate(Seconds const elapsed) -> Seconds {
+	static constexpr auto base_rate_v = 0.9s;
+	if (elapsed < 50s) { return base_rate_v; }
+	if (elapsed < 100s) { return 0.75f * base_rate_v; }
+	return 0.6f * base_rate_v;
+}
+
+auto get_gunner_spawn_rate(Seconds const elapsed) -> Seconds {
+	static constexpr auto base_rate_v = 9.3s;
+	if (elapsed < 40s) { return base_rate_v; }
+	if (elapsed < 80s) { return 0.75f * base_rate_v; }
+	if (elapsed < 120s) { return 0.5f * base_rate_v; }
+	return 0.25f * base_rate_v;
+}
+
+auto get_trooper_spawn_rate(Seconds const elapsed) -> Seconds {
+	static constexpr auto base_rate_v = 29.4s;
+	if (elapsed < 60s) { return base_rate_v; }
+	if (elapsed < 100s) { return 0.5f * base_rate_v; }
+	if (elapsed < 150s) { return 0.25f * base_rate_v; }
+	if (elapsed < 180s) { return 0.125f * base_rate_v; }
+	return 0.0625f * base_rate_v;
+}
 } // namespace
 
 EndlessScene::EndlessScene(App& app, Services const& services) : GameScene(app, services), m_enemy_gun(services) {
-	m_on_player_scored = services.get<GameSignals>().player_scored.connect([this](Enemy const& e) {
-		if (random_in_range(0, 10) < 3) { debug_spawn_powerup(e.get_position()); }
-	});
+	m_on_player_scored = services.get<GameSignals>().player_scored.connect([this](Enemy const& e) { on_player_scored(e); });
 }
 
 void EndlessScene::on_loaded() {
@@ -59,29 +88,90 @@ void EndlessScene::on_loaded() {
 	m_enemy_gun.projectile_config.x_speed = -m_enemy_gun.projectile_config.x_speed;
 	m_enemy_gun.projectile_config.x_scale = -1.0f;
 
-	m_spawn_timers.push_back(std::make_unique<CreepSpawner>(&get_services(), 1s));
-	m_spawn_timers.push_back(std::make_unique<GunnerSpawner>(&get_services(), &m_enemy_gun, 2s));
-	m_spawn_timers.push_back(std::make_unique<TrooperSpawner>(&get_services(), &m_enemy_gun, 5s));
+	on_start();
+}
+
+void EndlessScene::on_start() {
+	m_elapsed = 0s;
+	m_spawn_timers.clear();
+	m_spawner.creep = m_spawn_timers.emplace_back(make_creep_spawner()).get();
+	m_spawner.gunner = m_spawn_timers.emplace_back(make_gunner_spawner()).get();
+	m_spawner.trooper = m_spawn_timers.emplace_back(make_trooper_spawner()).get();
 }
 
 void EndlessScene::tick(Seconds const dt) {
 	GameScene::tick(dt);
 
 	if (is_game_over()) { return; }
 
+	m_elapsed += dt;
+	m_since_powerup += dt;
+
+	ramp_difficulty();
+
 	for (auto const& spawn_timer : m_spawn_timers) {
 		if (auto enemy = spawn_timer->tick(dt)) { push_enemy(std::move(enemy)); }
 	}
 }
 
-void EndlessScene::debug_spawn_powerup(glm::vec2 const position) {
+void EndlessScene::ramp_difficulty() {
+	m_spawner.creep->spawn_rate = get_creep_spawn_rate(m_elapsed);
+	m_spawner.gunner->spawn_rate = get_gunner_spawn_rate(m_elapsed);
+	m_spawner.trooper->spawn_rate = get_trooper_spawn_rate(m_elapsed);
+}
+
+void EndlessScene::on_player_scored(Enemy const& enemy) {
+	if (m_since_powerup < 5s) { return; }
+
+	if (!roll_check(30)) { return; }
+
 	auto powerup = std::unique_ptr<Powerup>{};
-	if (random_in_range(0, 1) == 0) {
-		powerup = std::make_unique<powerup::Beam>(get_services());
+	if (roll_check(20)) {
+		powerup = make_1up_powerup();
 	} else {
-		powerup = std::make_unique<powerup::OneUp>(get_services());
+		powerup = make_beam_powerup();
 	}
-	powerup->shape.transform.position = position;
+
+	if (!powerup) { return; }
+
+	powerup->shape.transform.position = enemy.get_position();
 	push_powerup(std::move(powerup));
+	m_since_powerup = 0s;
+}
+
+auto EndlessScene::make_beam_powerup() const -> std::unique_ptr<Powerup> { return std::make_unique<powerup::Beam>(get_services()); }
+
+auto EndlessScene::make_1up_powerup() const -> std::unique_ptr<Powerup> { return std::make_unique<powerup::OneUp>(get_services()); }
+
+auto EndlessScene::make_creep_spawner() const -> std::unique_ptr<SpawnTimer<Enemy>> {
+	return std::make_unique<CreepSpawner>(&get_services(), get_creep_spawn_rate(0s));
+}
+
+auto EndlessScene::make_gunner_spawner() -> std::unique_ptr<SpawnTimer<Enemy>> {
+	return std::make_unique<GunnerSpawner>(&get_services(), &m_enemy_gun, get_gunner_spawn_rate(0s));
+}
+
+auto EndlessScene::make_trooper_spawner() -> std::unique_ptr<SpawnTimer<Enemy>> {
+	return std::make_unique<TrooperSpawner>(&get_services(), &m_enemy_gun, get_trooper_spawn_rate(0s));
+}
+
+void EndlessScene::do_inspect(Seconds const /*dt*/) {
+	if constexpr (bave::imgui_v) {
+		auto elapsed = m_elapsed.count();
+		if (ImGui::DragFloat("elapsed", &elapsed, 1.0f, 0.0f, 2000.0f)) { m_elapsed = Seconds{elapsed}; }
+		if (ImGui::TreeNode("spawn timers")) {
+			for (std::size_t i = 0; i < m_spawn_timers.size(); ++i) {
+				if (ImGui::TreeNode(FixedString{"[{}]", i}.c_str())) {
+					auto& spawn_timer = *m_spawn_timers.at(i);
+					auto f = spawn_timer.spawn_rate.count();
+					if (ImGui::DragFloat("period", &f, 0.25f, 0.25f, 20.0f)) { spawn_timer.spawn_rate = Seconds{f}; }
+					f = spawn_timer.elapsed.count();
+					if (ImGui::DragFloat("elapsed", &f, 0.25f, 0.25f, 20.0f)) { spawn_timer.elapsed = Seconds{f}; }
+					ImGui::TreePop();
+				}
+			}
+			ImGui::TreePop();
+		}
+	}
 }
 } // namespace spaced

src/spaced/spaced/game/player.cpp

@@ -11,14 +11,33 @@ class EndlessScene : public GameScene {
 
   private:
 	void on_loaded() final;
-
 	void tick(bave::Seconds dt) final;
 
-	void debug_spawn_powerup(glm::vec2 position);
+	void on_start() final;
+
+	void ramp_difficulty();
+	void on_player_scored(Enemy const& enemy);
+
+	[[nodiscard]] auto make_beam_powerup() const -> std::unique_ptr<Powerup>;
+	[[nodiscard]] auto make_1up_powerup() const -> std::unique_ptr<Powerup>;
+
+	[[nodiscard]] auto make_creep_spawner() const -> std::unique_ptr<SpawnTimer<Enemy>>;
+	[[nodiscard]] auto make_gunner_spawner() -> std::unique_ptr<SpawnTimer<Enemy>>;
+	[[nodiscard]] auto make_trooper_spawner() -> std::unique_ptr<SpawnTimer<Enemy>>;
+
+	void do_inspect(bave::Seconds dt) final;
 
 	SignalHandle m_on_player_scored{};
 	GunKinetic m_enemy_gun;
 
+	bave::Seconds m_elapsed{};
+	bave::Seconds m_since_powerup{};
 	std::vector<std::unique_ptr<SpawnTimer<Enemy>>> m_spawn_timers{};
+
+	struct {
+		bave::Ptr<SpawnTimer<Enemy>> creep{};
+		bave::Ptr<SpawnTimer<Enemy>> gunner{};
+		bave::Ptr<SpawnTimer<Enemy>> trooper{};
+	} m_spawner{};
 };
 } // namespace spaced