Add score text

src/assets.cpp

@@ -21,6 +21,10 @@ static constexpr uint8_t BACKGROUND_MUSIC_DATA[] = {
 #embed "../assets/sounds/JamaicanSunrise.wav"
 };
 
+static constexpr uint8_t DEFAULT_FONT_DATA[] = {
+#embed "../assets/fonts/OpenTTD-Sans.ttf"
+};
+
 SDL_Texture* load_texture(uint8_t const* data, size_t size, SDL_Renderer* renderer)
 {
     auto* iostream = SDL_IOFromConstMem(data, size);
@@ -53,6 +57,18 @@ AudioAsset load_audio(uint8_t const* data, size_t size)
     return audio_asset;
 }
 
+FontAsset load_font(uint8_t const* data, size_t size)
+{
+    FontAsset font_asset;
+
+    auto* iostream = SDL_IOFromConstMem(data, size);
+    auto* ttf = TTF_OpenFontIO(iostream, false, 20);
+
+    font_asset.font = ttf;
+
+    return font_asset;
+}
+
 AssetModule::AssetModule(flecs::world& world)
 {
     auto* renderer = world.get<SdlHandles>()->renderer;
@@ -73,4 +89,7 @@ AssetModule::AssetModule(flecs::world& world)
 
     auto background_music = load_audio(BACKGROUND_MUSIC_DATA, sizeof(BACKGROUND_MUSIC_DATA));
     world.set<AudioAssets>(AudioAssets{.background_music = background_music});
+
+    auto font = load_font(DEFAULT_FONT_DATA, sizeof(DEFAULT_FONT_DATA));
+    world.set<FontAssets>(FontAssets{.default_font = font});
 }

src/assets.hpp

@@ -3,6 +3,7 @@
 #include "audio.hpp"
 
 #include <SDL3/SDL.h>
+#include <SDL3_ttf/SDL_ttf.h>
 #include <flecs.h>
 
 struct TextureAtlasLayout
@@ -31,6 +32,16 @@ struct AudioAssets
     AudioAsset background_music;
 };
 
+struct FontAsset
+{
+    TTF_Font* font;
+};
+
+struct FontAssets
+{
+    FontAsset default_font;
+};
+
 struct AssetModule
 {
     AssetModule(flecs::world& world);

src/definitions.hpp

@@ -1,6 +1,7 @@
 #pragma once
 
 #include <SDL3/SDL.h>
+#include <SDL3_ttf/SDL_ttf.h>
 
 static constexpr int WINDOW_WIDTH = 400;
 static constexpr int WINDOW_HEIGHT = 240;
@@ -9,10 +10,12 @@ struct SdlHandles
 {
     SDL_Window* window;
     SDL_Renderer* renderer;
+    TTF_TextEngine* text_engine;
 };
 
 struct Game
 {
     uint32_t ticks;
+    uint32_t time;
     uint32_t score;
 };

src/level.hpp

@@ -38,8 +38,8 @@ struct LevelModule
         world.entity()
             .child_of(basket)
             .add<WorldPosition>()
-            .set<Position>(Position{.x = 0, .y = 0})
+            .set<Position>(Position{.x = 0, .y = 16})
-            .set<Size>(Size{.w = 64, .h = 32})
+            .set<Size>(Size{.w = 64, .h = 16})
             .add<CollisionBox>();
 
         world.system<Game const, TextureAssets const>("SpawnFruits")
@@ -87,10 +87,15 @@ struct LevelModule
         //                 e.destruct();
         //         });
 
-        world.system<Game, Fruit, Collided>("CollectItem")
+        world.system<Game, Position, Fruit, Collided>("CollectItem")
             .term_at(0)
             .singleton()
-            .each([](flecs::entity e, Game& game, Fruit, Collided) { game.score += 10; });
+            .each(
+                [](flecs::entity e, Game& game, Position& pos, Fruit, Collided)
+                {
+                    game.score += 10;
+                    pos.x = 1000;
+                });
 
         world.system<ButtonInput const, Position, Size const, Sprite const, Basket>("MoveBasket")
             .term_at(0)

src/main.cpp

@@ -11,6 +11,7 @@
 #include <SDL3/SDL_iostream.h>
 #include <SDL3/SDL_render.h>
 #include <SDL3/SDL_video.h>
+#include <SDL3_ttf/SDL_ttf.h>
 #include <flecs.h>
 #include <spdlog/spdlog.h>
 
@@ -26,6 +27,8 @@ int main()
         std::terminate();
     }
 
+    TTF_Init();
+
     auto* window = SDL_CreateWindow("HansTheGatherer", WINDOW_WIDTH, WINDOW_HEIGHT, 0);
     if (window == nullptr)
     {
@@ -38,11 +41,14 @@ int main()
         spdlog::critical("Failed to create SDL renderer!\nCause: {}", SDL_GetError());
     }
 
+    auto* text_engine = TTF_CreateRendererTextEngine(renderer);
+
     flecs::world world;
 
-    world.set<Game>(Game{.ticks = 0});
+    world.set<Game>(Game{.ticks = 0, .time = 60, .score = 0});
     world.set<ButtonInput>(ButtonInput{});
-    world.set<SdlHandles>(SdlHandles{.window = window, .renderer = renderer});
+    world.set<SdlHandles>(
+        SdlHandles{.window = window, .renderer = renderer, .text_engine = text_engine});
 
     world.import <AssetModule>();
     world.import <PhysicsModule>();
@@ -51,10 +57,19 @@ int main()
     world.system<Game>("IncrementTicks")
         .term_at(0)
         .singleton()
-        .each([](Game& game_ticks) { game_ticks.ticks += 1; });
+        .each(
+            [](Game& game)
+            {
+                game.ticks += 1;
+
+                if (game.ticks % 60 == 0)
+                {
+                    game.time--;
+                }
+            });
 
     world.system<SdlHandles const, Position const, Size const, Sprite const>("RenderSprites")
-        .kind(flecs::PreUpdate)
+        .kind(flecs::OnStore)
         .term_at(0)
         .singleton()
         .each(
@@ -80,6 +95,27 @@ int main()
                     sdl_handles.renderer, sprite.texture->sdl_texture, &srcrect, &dstrect);
             });
 
+    world.system<SdlHandles const, Game const, FontAssets const>("RenderScore")
+        .kind(flecs::OnStore)
+        .term_at(0)
+        .singleton()
+        .term_at(1)
+        .singleton()
+        .term_at(2)
+        .singleton()
+        .each(
+            [](SdlHandles const& sdl_handles, Game const& game, FontAssets const& font_assets)
+            {
+                auto score_string = std::format("Score: {}\nTime: {}", game.score, game.time);
+                auto text = TTF_CreateText(sdl_handles.text_engine,
+                                           font_assets.default_font.font,
+                                           score_string.c_str(),
+                                           score_string.length());
+                TTF_DrawRendererText(text, 0.0, 0.0);
+
+                TTF_DestroyText(text);
+            });
+
     auto* audio_assets = world.get<AudioAssets>();
     auto* stream = SDL_OpenAudioDeviceStream(
         SDL_AUDIO_DEVICE_DEFAULT_PLAYBACK, &audio_assets->background_music.spec, NULL, NULL);

src/physics.cpp

@@ -48,6 +48,10 @@ PhysicsModule::PhysicsModule(flecs::world& world)
 
     auto basket_query = world.query<Basket>();
 
+    world.system<Collided>("RemoveCollisionMarker")
+        .kind(flecs::PreUpdate)
+        .each([](flecs::entity e, Collided) { e.remove<Collided>(); });
+
     world.system<WorldPosition const, Size const, CollisionBox>("CollisionCheck")
         .kind(flecs::OnValidate)
         .each(

vcpkg.json

@@ -1,8 +0,0 @@
-{
-  "dependencies": [
-    "spdlog",
-    "sdl3",
-    "spdlog",
-    "flecs"
-  ]
-}