Animations are refactored to let me spawn in an 'attack animation' but I think the data model is wrong. Rather than spawning in an animation every time I can probably just make one, reposition it, then tell it to play. I'll have to try it.

animation.cpp

@@ -70,18 +70,17 @@ namespace animation {
   static AnimationManager MGR;
   static bool initialized = false;
 
-  bool apply(Animation& anim, SpriteTexture& target) {
-    auto size = target.texture->getSize();
-    anim.frame_width = int(size.x) / (unsigned int)anim.frames;
-    sf::IntRect rect{{0,0}, {anim.frame_width, int(size.y)}};
+  bool apply(Animation& anim, sf::Sprite& sprite) {
+    sf::IntRect rect{{0,0}, {anim.frame_width, anim.frame_height}};
     sf::Vector2f scale{1.0, 1.0};
     sf::Vector2f pos{0, 0};
 
     anim.step(scale, pos, rect);
 
-    target.sprite->setTextureRect(rect);
-    target.sprite->setPosition(pos);
-    target.sprite->setScale(scale);
+    sprite.setTextureRect(rect);
+    sprite.setPosition(pos);
+    sprite.setScale(scale);
+
 
     return anim.playing;
   }
@@ -99,11 +98,27 @@ namespace animation {
 
   void init() {
     if(!initialized) {
-      Config config("assets/animations.json");
+      Config animations("assets/animations.json");
+      Config config("assets/config.json");
+      auto& sprites = config["sprites"];
 
-      for(auto& [name, data] : config.json().items()) {
-        auto anim = components::convert<Animation>(data);
-        MGR.animations.insert_or_assign(name, anim);
+      for(auto& [name, data] : animations.json().items()) {
+        try {
+          auto anim = components::convert<Animation>(data);
+          auto& sprite_config = sprites[name];
+
+          anim.frame_width = sprite_config["frame_width"];
+          anim.frame_height = sprite_config["frame_height"];
+
+          dbc::check(anim.frame_width > 0 && anim.frame_height > 0,
+              fmt::format("invalid frame width/height for animation: {}",
+                name));
+
+          MGR.animations.insert_or_assign(name, anim);
+        } catch(...) {
+          dbc::log(fmt::format("error in sprite config: {}", name));
+          throw;
+        }
       }
 
       initialized = true;

animation.hpp

@@ -4,14 +4,14 @@
 #include "easings.hpp"
 #include "dinkyecs.hpp"
 #include <SFML/Graphics/Rect.hpp>
-
+#include <SFML/Graphics/Sprite.hpp>
 
 namespace animation {
   struct AnimationManager {
     std::unordered_map<std::string, components::Animation> animations;
   };
 
-  bool apply(components::Animation& anim, textures::SpriteTexture& target);
+  bool apply(components::Animation& anim, sf::Sprite& target);
   void rotate(sf::Sprite& target, float degrees);
   void center(sf::Sprite& target, sf::Vector2f pos);
 

assets/animations.json

@@ -1,5 +1,5 @@
 {
-  "burning_effect": {
+  "burning_animation": {
     "_type": "Animation",
     "easing": 0,
     "ease_rate": 0.5,
@@ -9,7 +9,17 @@
     "speed": 0.1,
     "stationary": false
   },
-  "ritual_blanket": {
+  "lightning_animation": {
+    "_type": "Animation",
+    "easing": 0,
+    "ease_rate": 0.5,
+    "scale": 1.0,
+    "simple": false,
+    "frames": 5,
+    "speed": 0.5,
+    "stationary": false
+  },
+  "ritual_crafting_area": {
     "_type": "Animation",
     "easing": 0,
     "ease_rate": 0.5,

assets/config.json

@@ -30,8 +30,13 @@
     "hp_status_00": "assets/sounds/hp_status_00.ogg"
   },
   "sprites": {
-    "burning_effect":
-    {"path": "assets/sprites/burning_effect.png",
+    "burning_animation":
+    {"path": "assets/sprites/burning_animation.png",
+      "frame_width": 256,
+      "frame_height": 256
+    },
+    "lightning_animation":
+    {"path": "assets/sprites/lightning_animation.png",
       "frame_width": 256,
       "frame_height": 256
     },

assets/enemies.json

@@ -12,21 +12,6 @@
       {"_type": "LightSource", "strength": 35, "radius": 2.0}
     ]
   },
-  "FLAME_BLOB": {
-    "components": [
-      {"_type": "Tile", "display": 10899,
-        "foreground": "enemies/fg:gold_savior",
-        "background": "color:transparent"
-      },
-      {"_type": "Combat", "hp": 20, "max_hp": 20, "damage": 1, "dead": false},
-      {"_type": "Collision", "has": true},
-      {"_type": "Motion", "dx": 0, "dy": 0, "random": false},
-      {"_type": "EnemyConfig", "ai_script": "Enemy::actions", "ai_start_name": "Enemy::initial_state", "ai_goal_name": "Enemy::final_state"},
-      {"_type": "Personality", "hearing_distance": 5, "tough": true},
-      {"_type": "Sprite", "name": "burning_effect", "width": 256, "height": 256, "width": 256, "height": 256, "scale": 1.0},
-      {"_type": "Sound", "attack": "fireball_01", "death": "fireball_01"}
-    ]
-  },
   "GOLD_SAVIOR": {
     "components": [
       {"_type": "Tile", "display": 42586,

components.hpp

@@ -26,6 +26,10 @@ namespace components {
     std::shared_ptr<sf::Shader> effect;
   };
 
+  struct Temporary {
+    bool is = true;
+  };
+
   struct Collision {
     bool has = true;
   };
@@ -124,7 +128,8 @@ namespace components {
     float subframe = 0.0f;
     bool looped = false;
     // BUG: this is weirdly not used in most animations but also named wrong should be frame_width
-    int frame_width = TEXTURE_WIDTH;
+    int frame_width = -1;
+    int frame_height = -1;
 
     void play();
     float twitching();

gui/fsm.cpp

@@ -412,6 +412,7 @@ namespace gui {
       draw_gui();
     }
 
+    System::clear_attack();
     $window.display();
   }
 

gui/ritual_ui.cpp

@@ -45,7 +45,7 @@ namespace gui {
       $ritual_ui = textures::get_sprite("ritual_crafting_area");
       $ritual_ui.sprite->setPosition($gui.get_position());
       $ritual_ui.sprite->setTextureRect($ritual_closed_rect);
-      $ritual_anim = animation::load("ritual_blanket");
+      $ritual_anim = animation::load("ritual_crafting_area");
 
       auto open_close_toggle = $gui.entity("ritual_ui");
       $gui.set<Clickable>(open_close_toggle, {
@@ -84,7 +84,6 @@ namespace gui {
       }
     }
 
-
     void UI::CLOSED(Event ev) {
       if(ev == Event::TOGGLE) {
         $ritual_anim.play();
@@ -95,7 +94,7 @@ namespace gui {
 
     void UI::OPENING(Event ev) {
       if(ev == Event::TICK) {
-        if(!animation::apply($ritual_anim, $ritual_ui)) {
+        if(!animation::apply($ritual_anim, *$ritual_ui.sprite)) {
           state(State::OPENED);
         }
       }

raycaster.cpp

@@ -108,7 +108,6 @@ void Raycaster::sprite_casting(sf::RenderTarget &target) {
   auto world = $level.world;
   $level.collision->distance_sorted($sprite_order, {(size_t)$pos_x, (size_t)$pos_y}, RENDER_DISTANCE);
 
-
   // after sorting the sprites, do the projection
   for(auto& rec : $sprite_order) {
     if(!$sprites.contains(rec.entity)) continue;
@@ -184,6 +183,10 @@ void Raycaster::sprite_casting(sf::RenderTarget &target) {
       int d = y * texture_height - $height * half_height + sprite_height * half_height;
       int tex_y = ((d * texture_height) / sprite_height) / texture_height;
 
+      // BUG: this data could be put into the world
+      // as frame data, then just have a system that
+      // constantly applies this to any sprite that
+      // has an animation and is visible
       sf::Vector2f origin{texture_width / 2.0f, texture_height / 2.0f};
       sf::Vector2f scale{sprite_scale_w, sprite_scale_h};
       sf::Vector2f position{x + origin.x * scale.x, y + origin.y * scale.y};

scripts/build_assets.ps1

@@ -25,9 +25,9 @@ function Build-Images {
   }
 }
 
-Build-Images -Source "Textures" -pixel_count 12
-Build-Images -Source "Sprites" -pixel_count 6
-Build-Images -Source "Items" -pixel_count 2
+# Build-Images -Source "Textures" -pixel_count 12
+# Build-Images -Source "Sprites" -pixel_count 6
+# Build-Images -Source "Items" -pixel_count 2
 Build-Images -Source "Animations" -pixel_count 6
 
 cp -recurse -force C:\Users\lcthw\Pictures\Games\Renders\Raycaster\UI assets\ui

systems.cpp

@@ -27,8 +27,6 @@ using namespace DinkyECS;
 using lighting::LightSource;
 
 void System::set_position(World& world, SpatialMap& collision, Entity entity, Position pos) {
-  dbc::check(world.has<Tile>(entity), "entity doesn't have tile");
-
   world.set<Position>(entity, pos);
   bool has_collision = world.has<Collision>(entity);
   collision.insert(pos.location, entity, has_collision);
@@ -238,11 +236,6 @@ void System::combat(int attack_id) {
   auto& level = GameDB::current_level();
   auto& collider = *level.collision;
   auto& world = *level.world;
-  auto& the_belt = world.get_the<ritual::Belt>();
-
-  if(!the_belt.has(attack_id)) return;
-
-  auto& ritual = the_belt.get(attack_id);
   const auto& player_pos = GameDB::player_position();
   auto& player_combat = world.get<Combat>(level.player);
 
@@ -272,13 +265,7 @@ void System::combat(int attack_id) {
     };
 
     if(result.player_did > 0) {
-      using enum ritual::Element;
-
-      if(ritual.element == FIRE || ritual.element == LIGHTNING) {
-        auto effect = shaders::get(
-            ritual.element == FIRE ? "flame" : "lightning");
-        world.set<SpriteEffect>(enemy.entity, {100, effect});
-      }
+      spawn_attack(world, attack_id);
     }
 
     if(enemy_action == combat::BattleAction::ATTACK) {
@@ -656,3 +643,43 @@ gui::Event System::shortest_rotate(Point player_at, Point aiming_at, Point targe
 
   return normalized < 180.0 ? gui::Event::ROTATE_LEFT : gui::Event::ROTATE_RIGHT;
 }
+
+void System::clear_attack() {
+  auto world = GameDB::current_world();
+  std::vector<Entity> dead_anim;
+
+  world->query<Animation, Temporary>([&](auto ent, auto& anim, auto&) {
+    if(!anim.playing) dead_anim.push_back(ent);
+  });
+
+  for(auto ent : dead_anim) {
+    world->remove<Sprite>(ent);
+    world->remove<Animation>(ent);
+    world->remove<SpriteEffect>(ent);
+    remove_from_world(ent);
+  }
+}
+
+void System::spawn_attack(World& world, int attack_id) {
+  using enum ritual::Element; // for FIRE vs LIGHTNING
+  auto& the_belt = world.get_the<ritual::Belt>();
+
+  dbc::check(the_belt.has(attack_id), "STOP passing invalid attack IDs to the system.");
+
+  auto& ritual = the_belt.get(attack_id);
+
+  auto effect = ritual.element == FIRE ? "burning_animation" : "lightning_animation";
+
+  auto effect_id = world.entity();
+  world.set<Sprite>(effect_id, {effect, 256, 256, 1.0});
+  world.set<Temporary>(effect_id, {true});
+
+  auto shader = shaders::get(ritual.element == FIRE ? "flame" : "lightning");
+  world.set<SpriteEffect>(effect_id, {100, shader});
+
+  auto anim = animation::load(effect);
+  anim.play();
+  world.set<Animation>(effect_id, anim);
+
+  drop_item(effect_id);
+}

systems.hpp

@@ -71,4 +71,7 @@ namespace System {
 
     paths.compute_paths(walls);
   }
+
+  void clear_attack();
+  void spawn_attack(World& world, int attack_id);
 }

tests/animation.cpp

@@ -43,11 +43,11 @@ TEST_CASE("animation utility API", "[animation]") {
   animation::init();
 
   auto blanket = textures::get_sprite("ritual_crafting_area");
-  auto anim = animation::load("ritual_blanket");
+  auto anim = animation::load("ritual_crafting_area");
 
   anim.play();
 
-  while(animation::apply(anim, blanket)) {
+  while(animation::apply(anim, *blanket.sprite)) {
     fmt::println("animation: {}", anim.subframe);
   }
 }