Sprites part1 (#47)

* bgf v0.1.1

* Prepare to migrate assets/ code to bgf.

* bgf v0.1.2

* Add player_ship sprite.

* bgf v0.1.3, fixup world vs UI space in layout.

* Add `TiledBg`.

* Fixup hud positioning.

Author: karnkaul

.gitignore

@@ -15,3 +15,4 @@ imgui.ini
 bave*.log
 /spaced
 /notes.txt
+/local_store

CMakeLists.txt

@@ -11,7 +11,7 @@ include(FetchContent)
 FetchContent_Declare(
   bgf
   GIT_REPOSITORY https://github.com/karnkaul/bgf
-  GIT_TAG v0.1.0
+  GIT_TAG v0.1.3
   SOURCE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/ext/bgf"
 )
 

assets/images/background.png

@@ -33,8 +33,8 @@
     },
     "lerp": {
       "tint": {
-        "lo": "#231d2aff",
-        "hi": "#231d2aff"
+        "lo": "#f48018ff",
+        "hi": "#ffffff00"
       },
       "scale": {
         "lo": [
@@ -48,14 +48,14 @@
       }
     },
     "ttl": {
-      "lo": 2.000000,
-      "hi": 3.000000
+      "lo": 0.300000,
+      "hi": 1.000000
     },
     "quad_size": [
-      80.000000,
-      80.000000
+      20.000000,
+      20.000000
     ],
-    "count": 80,
+    "count": 200,
     "respawn": true
   }
 }

assets/images/player_ship.png

@@ -58,7 +58,7 @@
   "sliders": {
     "default": {
       "progress_bar": "default",
-      "knob_diameter": 30,
+      "knob_diameter": 50,
       "knob_tint": "#9f2b68ff"
     }
   },

assets/particles/exhaust.json

@@ -0,0 +1 @@
+SpaceShooterRedux: https://opengameart.org/content/space-shooter-redux, https://www.kenney.nl

assets/styles.json

@@ -68,8 +68,9 @@ void PlayerController::stop_firing() {
 }
 
 auto PlayerController::is_in_move_area(glm::vec2 const position) const -> bool {
-	auto const n_pos = position.x / m_display->get_world_space().x;
-	return n_pos <= -n_move_area;
+	auto const width = m_display->get_world_space().x;
+	auto const n_pos = (position.x + 0.5f * width) / width;
+	return n_pos <= n_move_area;
 }
 
 void PlayerController::tick_gamepad(Seconds const dt) {

attribution.txt

@@ -33,7 +33,7 @@ class PlayerController : public FollowController {
 
 	float max_y{};
 	float min_y{};
-	float n_move_area{0.25f}; // from left
+	float n_move_area{0.3f}; // from left
 
 	float gamepad_sensitivity{2000.0f};
 

src/spaced/spaced/assets/asset_list.cpp

@@ -13,8 +13,6 @@ using bave::Services;
 using bave::Shader;
 using bave::Styles;
 
-namespace ui = bave::ui;
-
 Enemy::Enemy(Services const& services, std::string_view const type) : m_layout(&services.get<Layout>()), m_health_bar(services), m_type(type) {
 	static constexpr auto init_size_v = glm::vec2{100.0f};
 	auto const play_area = m_layout->play_area;

src/spaced/spaced/assets/asset_list.hpp

@@ -1,20 +1,25 @@
 #include <fmt/format.h>
 #include <bave/services/styles.hpp>
+#include <bave/ui/button.hpp>
 #include <spaced/game/hud.hpp>
 #include <spaced/services/layout.hpp>
 
 namespace spaced {
+using bave::IDisplay;
+using bave::Seconds;
 using bave::Services;
 using bave::Styles;
 using bave::TextHeight;
 
 namespace ui = bave::ui;
 
-Hud::Hud(Services const& services) : ui::View(services), m_styles(&services.get<Styles>()), m_area(services.get<Layout>().hud_area) {
+Hud::Hud(Services const& services)
+	: ui::View(services), m_display(&services.get<IDisplay>()), m_layout(&services.get<Layout>()), m_styles(&services.get<Styles>()) {
 	create_background();
 	create_score(services);
 
 	block_input_events = false;
+	render_view = m_display->get_world_view();
 }
 
 void Hud::set_score(std::int64_t const score) { m_score->text.set_string(fmt::format("{}", score)); }
@@ -25,8 +30,8 @@ void Hud::create_background() {
 	auto background = std::make_unique<ui::OutlineQuad>();
 	m_background = background.get();
 	background->set_outline_width(0.0f);
-	background->set_size(m_area.size());
-	background->set_position(m_area.centre());
+	background->set_size(m_layout->hud_area.size());
+	background->set_position(m_layout->hud_area.centre());
 	background->set_tint(m_styles->rgbas["milk"]);
 	push(std::move(background));
 }
@@ -37,24 +42,24 @@ void Hud::create_score(Services const& services) {
 	auto make_text = [&] {
 		auto text = std::make_unique<ui::Text>(services);
 		text->text.set_height(TextHeight{60});
-		text->text.transform.position = m_area.centre();
+		text->text.transform.position = m_layout->hud_area.centre();
 		text->text.tint = rgbas["grey"];
 		return text;
 	};
 
 	auto text = make_text();
 	m_score = text.get();
 	text->text.set_string("9999999999");
-	auto const text_bounds_size = text->text.get_bounds().size();
-	text->text.transform.position.y -= 0.5f * text_bounds_size.y;
+	m_text_bounds_size = text->text.get_bounds().size();
+	text->text.transform.position.y -= 0.5f * m_text_bounds_size.y;
 	set_score(0);
 
 	push(std::move(text));
 
 	text = make_text();
 	m_hi_score = text.get();
-	text->text.transform.position.x = m_area.rb.x - 50.0f;
-	text->text.transform.position.y -= 0.5f * text_bounds_size.y;
+	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(bave::Text::Align::eLeft);
 	set_hi_score(0);