diff options
author | Loek Le Blansch <loek@pipeframe.xyz> | 2024-12-17 14:25:47 +0100 |
---|---|---|
committer | Loek Le Blansch <loek@pipeframe.xyz> | 2024-12-17 14:25:47 +0100 |
commit | bec22107c6754f5f3440d79503ddbc828d7e0cba (patch) | |
tree | 074567b1b2071117b369ff9ec208655655e334b4 /src/crepe/system | |
parent | 4d4d791a329c0ca4f0496fd8cb1656a1dab66e47 (diff) | |
parent | c96ef5f62a1369d66e8eba9bf8ed192e3cf8e716 (diff) |
merge master
Diffstat (limited to 'src/crepe/system')
-rw-r--r-- | src/crepe/system/InputSystem.cpp | 259 | ||||
-rw-r--r-- | src/crepe/system/InputSystem.h | 40 | ||||
-rw-r--r-- | src/crepe/system/ParticleSystem.cpp | 89 | ||||
-rw-r--r-- | src/crepe/system/ParticleSystem.h | 22 | ||||
-rw-r--r-- | src/crepe/system/RenderSystem.cpp | 4 |
5 files changed, 215 insertions, 199 deletions
diff --git a/src/crepe/system/InputSystem.cpp b/src/crepe/system/InputSystem.cpp index a710ae2..fca540f 100644 --- a/src/crepe/system/InputSystem.cpp +++ b/src/crepe/system/InputSystem.cpp @@ -1,7 +1,7 @@ #include "../api/Button.h" +#include "../facade/SDLContext.h" #include "../manager/ComponentManager.h" #include "../manager/EventManager.h" -#include "facade/SDLContext.h" #include "util/Log.h" #include "InputSystem.h" @@ -10,12 +10,13 @@ using namespace crepe; void InputSystem::update() { ComponentManager & mgr = this->mediator.component_manager; - EventManager & event_mgr = this->mediator.event_manager; + SDLContext & context = this->mediator.sdl_context; - std::vector<SDLContext::EventData> event_list = context.get_events(); + std::vector<EventData> event_list = context.get_events(); RefVector<Button> buttons = mgr.get_components_by_type<Button>(); RefVector<Camera> cameras = mgr.get_components_by_type<Camera>(); OptionalRef<Camera> curr_cam_ref; + // Find the active camera for (Camera & cam : cameras) { if (!cam.active) continue; @@ -23,150 +24,185 @@ void InputSystem::update() { break; } if (!curr_cam_ref) return; + Camera & current_cam = curr_cam_ref; RefVector<Transform> transform_vec = mgr.get_components_by_id<Transform>(current_cam.game_object_id); Transform & cam_transform = transform_vec.front().get(); - int camera_origin_x = cam_transform.position.x + current_cam.data.postion_offset.x - - (current_cam.viewport_size.x / 2); - int camera_origin_y = cam_transform.position.y + current_cam.data.postion_offset.y - - (current_cam.viewport_size.y / 2); - - for (const SDLContext::EventData & event : event_list) { - int world_mouse_x = event.mouse_position.x + camera_origin_x; - int world_mouse_y = event.mouse_position.y + camera_origin_y; - // check if the mouse is within the viewport - bool mouse_in_viewport - = !(world_mouse_x < camera_origin_x - || world_mouse_x > camera_origin_x + current_cam.viewport_size.x - || world_mouse_y < camera_origin_y - || world_mouse_y > camera_origin_y + current_cam.viewport_size.y); - - switch (event.event_type) { - case SDLContext::EventType::KEYDOWN: - event_mgr.queue_event<KeyPressEvent>(KeyPressEvent{ - .repeat = event.key_repeat, - .key = event.key, - }); - break; - case SDLContext::EventType::KEYUP: - event_mgr.queue_event<KeyReleaseEvent>(KeyReleaseEvent{ - .key = event.key, - }); - break; - case SDLContext::EventType::MOUSEDOWN: - if (!mouse_in_viewport) { - break; - } - event_mgr.queue_event<MousePressEvent>(MousePressEvent{ - .mouse_x = world_mouse_x, - .mouse_y = world_mouse_y, - .button = event.mouse_button, - }); - this->last_mouse_down_position = {world_mouse_x, world_mouse_y}; - this->last_mouse_button = event.mouse_button; - break; - case SDLContext::EventType::MOUSEUP: { - if (!mouse_in_viewport) { - break; - } - event_mgr.queue_event<MouseReleaseEvent>(MouseReleaseEvent{ - .mouse_x = world_mouse_x, - .mouse_y = world_mouse_y, - .button = event.mouse_button, - }); - //check if its a click by checking the last button down - int delta_x = world_mouse_x - this->last_mouse_down_position.x; - int delta_y = world_mouse_y - this->last_mouse_down_position.y; - - if (this->last_mouse_button == event.mouse_button - && std::abs(delta_x) <= click_tolerance - && std::abs(delta_y) <= click_tolerance) { - event_mgr.queue_event<MouseClickEvent>(MouseClickEvent{ - .mouse_x = world_mouse_x, - .mouse_y = world_mouse_y, - .button = event.mouse_button, - }); - - this->handle_click(event.mouse_button, world_mouse_x, world_mouse_y); - } - } break; - case SDLContext::EventType::MOUSEMOVE: - if (!mouse_in_viewport) { - break; - } - event_mgr.queue_event<MouseMoveEvent>(MouseMoveEvent{ - .mouse_x = world_mouse_x, - .mouse_y = world_mouse_y, - .delta_x = event.rel_mouse_move.x, - .delta_y = event.rel_mouse_move.y, - }); - this->handle_move(event, world_mouse_x, world_mouse_y); - break; - case SDLContext::EventType::MOUSEWHEEL: - event_mgr.queue_event<MouseScrollEvent>(MouseScrollEvent{ - .mouse_x = world_mouse_x, - .mouse_y = world_mouse_y, - .scroll_direction = event.scroll_direction, - .scroll_delta = event.scroll_delta, + + vec2 camera_origin = cam_transform.position + current_cam.data.postion_offset + - (current_cam.viewport_size / 2); + + for (const EventData & event : event_list) { + // Only calculate mouse coordinates for relevant events + if (event.event_type == EventType::MOUSE_DOWN + || event.event_type == EventType::MOUSE_UP + || event.event_type == EventType::MOUSE_MOVE + || event.event_type == EventType::MOUSE_WHEEL) { + this->handle_mouse_event(event, camera_origin, current_cam); + + } else { + this->handle_non_mouse_event(event); + } + } +} + +void InputSystem::handle_mouse_event(const EventData & event, const vec2 & camera_origin, + const Camera & current_cam) { + EventManager & event_mgr = this->mediator.event_manager; + vec2 adjusted_mouse; + adjusted_mouse.x = event.data.mouse_data.mouse_position.x + camera_origin.x; + adjusted_mouse.x = event.data.mouse_data.mouse_position.y + camera_origin.y; + // Check if the mouse is within the viewport + if ((adjusted_mouse.x < camera_origin.x + || adjusted_mouse.x > camera_origin.x + current_cam.viewport_size.x + || adjusted_mouse.y < camera_origin.y + || adjusted_mouse.y > camera_origin.y + current_cam.viewport_size.y)) + return; + + // Handle mouse-specific events + switch (event.event_type) { + case EventType::MOUSE_DOWN: + event_mgr.queue_event<MousePressEvent>({ + .mouse_pos = adjusted_mouse, + .button = event.data.mouse_data.mouse_button, + }); + this->last_mouse_down_position = adjusted_mouse; + this->last_mouse_button = event.data.mouse_data.mouse_button; + break; + + case EventType::MOUSE_UP: { + event_mgr.queue_event<MouseReleaseEvent>({ + .mouse_pos = adjusted_mouse, + .button = event.data.mouse_data.mouse_button, + }); + vec2 delta_move = adjusted_mouse - this->last_mouse_down_position; + int click_tolerance = Config::get_instance().input.click_tolerance; + if (this->last_mouse_button == event.data.mouse_data.mouse_button + && std::abs(delta_move.x) <= click_tolerance + && std::abs(delta_move.y) <= click_tolerance) { + event_mgr.queue_event<MouseClickEvent>({ + .mouse_pos = adjusted_mouse, + .button = event.data.mouse_data.mouse_button, }); - break; - case SDLContext::EventType::SHUTDOWN: - event_mgr.queue_event<ShutDownEvent>(ShutDownEvent{}); - break; - default: - break; + this->handle_click(event.data.mouse_data.mouse_button, adjusted_mouse); + } + break; } + + case EventType::MOUSE_MOVE: + event_mgr.queue_event<MouseMoveEvent>({ + .mouse_pos = adjusted_mouse, + .mouse_delta = event.data.mouse_data.rel_mouse_move, + }); + this->handle_move(event, adjusted_mouse); + break; + + case EventType::MOUSE_WHEEL: + event_mgr.queue_event<MouseScrollEvent>({ + .mouse_pos = adjusted_mouse, + .scroll_direction = event.data.mouse_data.scroll_direction, + .scroll_delta = event.data.mouse_data.scroll_delta, + }); + break; + + default: + break; + } +} + +void InputSystem::handle_non_mouse_event(const EventData & event) { + EventManager & event_mgr = this->mediator.event_manager; + switch (event.event_type) { + case EventType::KEY_DOWN: + + event_mgr.queue_event<KeyPressEvent>( + {.repeat = event.data.key_data.key_repeat, .key = event.data.key_data.key}); + break; + case EventType::KEY_UP: + event_mgr.queue_event<KeyReleaseEvent>({.key = event.data.key_data.key}); + break; + case EventType::SHUTDOWN: + event_mgr.queue_event<ShutDownEvent>({}); + break; + case EventType::WINDOW_EXPOSE: + event_mgr.queue_event<WindowExposeEvent>({}); + break; + case EventType::WINDOW_RESIZE: + event_mgr.queue_event<WindowResizeEvent>( + WindowResizeEvent{.dimensions = event.data.window_data.resize_dimension}); + break; + case EventType::WINDOW_MOVE: + event_mgr.queue_event<WindowMoveEvent>( + {.delta_move = event.data.window_data.move_delta}); + break; + case EventType::WINDOW_MINIMIZE: + event_mgr.queue_event<WindowMinimizeEvent>({}); + break; + case EventType::WINDOW_MAXIMIZE: + event_mgr.queue_event<WindowMaximizeEvent>({}); + break; + case EventType::WINDOW_FOCUS_GAIN: + event_mgr.queue_event<WindowFocusGainEvent>({}); + break; + case EventType::WINDOW_FOCUS_LOST: + event_mgr.queue_event<WindowFocusLostEvent>({}); + break; + default: + break; } } -void InputSystem::handle_move(const SDLContext::EventData & event_data, - const int world_mouse_x, const int world_mouse_y) { + +void InputSystem::handle_move(const EventData & event_data, const vec2 & mouse_pos) { ComponentManager & mgr = this->mediator.component_manager; RefVector<Button> buttons = mgr.get_components_by_type<Button>(); for (Button & button : buttons) { + if (!button.active) continue; RefVector<Transform> transform_vec = mgr.get_components_by_id<Transform>(button.game_object_id); Transform & transform(transform_vec.front().get()); bool was_hovering = button.hover; - if (button.active - && this->is_mouse_inside_button(world_mouse_x, world_mouse_y, button, transform)) { + if (this->is_mouse_inside_button(mouse_pos, button, transform)) { button.hover = true; - if (!was_hovering && button.on_mouse_enter) { + if (!button.on_mouse_enter) continue; + if (!was_hovering) { button.on_mouse_enter(); } } else { button.hover = false; // Trigger the on_exit callback if the hover state just changed to false - if (was_hovering && button.on_mouse_exit) { + if (!button.on_mouse_exit) continue; + if (was_hovering) { button.on_mouse_exit(); } } } } -void InputSystem::handle_click(const MouseButton & mouse_button, const int world_mouse_x, - const int world_mouse_y) { +void InputSystem::handle_click(const MouseButton & mouse_button, const vec2 & mouse_pos) { ComponentManager & mgr = this->mediator.component_manager; RefVector<Button> buttons = mgr.get_components_by_type<Button>(); for (Button & button : buttons) { + if (!button.active) continue; + if (!button.on_click) continue; RefVector<Transform> transform_vec = mgr.get_components_by_id<Transform>(button.game_object_id); Transform & transform = transform_vec.front().get(); - if (button.active - && this->is_mouse_inside_button(world_mouse_x, world_mouse_y, button, transform)) { - this->handle_button_press(button); + if (this->is_mouse_inside_button(mouse_pos, button, transform)) { + + button.on_click(); } } } -bool InputSystem::is_mouse_inside_button(const int mouse_x, const int mouse_y, - const Button & button, const Transform & transform) { +bool InputSystem::is_mouse_inside_button(const vec2 & mouse_pos, const Button & button, + const Transform & transform) { int actual_x = transform.position.x + button.offset.x; int actual_y = transform.position.y + button.offset.y; @@ -174,17 +210,6 @@ bool InputSystem::is_mouse_inside_button(const int mouse_x, const int mouse_y, int half_height = button.dimensions.y / 2; // Check if the mouse is within the button's boundaries - return mouse_x >= actual_x - half_width && mouse_x <= actual_x + half_width - && mouse_y >= actual_y - half_height && mouse_y <= actual_y + half_height; -} - -void InputSystem::handle_button_press(Button & button) { - if (button.is_toggle) { - if (!button.is_pressed && button.on_click) { - button.on_click(); - } - button.is_pressed = !button.is_pressed; - } else if (button.on_click) { - button.on_click(); - } + return mouse_pos.x >= actual_x - half_width && mouse_pos.x <= actual_x + half_width + && mouse_pos.y >= actual_y - half_height && mouse_pos.y <= actual_y + half_height; } diff --git a/src/crepe/system/InputSystem.h b/src/crepe/system/InputSystem.h index 87e86f8..eefd9fe 100644 --- a/src/crepe/system/InputSystem.h +++ b/src/crepe/system/InputSystem.h @@ -1,6 +1,8 @@ #pragma once -#include "../facade/SDLContext.h" +#include "../api/Config.h" +#include "../facade/EventData.h" + #include "../types.h" #include "../util/OptionalRef.h" @@ -11,7 +13,6 @@ namespace crepe { class Camera; class Button; class Transform; - /** * \brief Handles the processing of input events created by SDLContext * @@ -31,15 +32,30 @@ public: private: //! Stores the last position of the mouse when the button was pressed. - ivec2 last_mouse_down_position; + vec2 last_mouse_down_position; // TODO: specify world/hud space and make regular `vec2` //! Stores the last mouse button pressed. MouseButton last_mouse_button = MouseButton::NONE; - - //! The maximum allowable distance between mouse down and mouse up to register as a click. - const int click_tolerance = 5; - + /** + * \brief Handles mouse-related events. + * \param event The event data for the mouse event. + * \param camera_origin The origin position of the camera in world space. + * \param current_cam The currently active camera. + * + * This method processes mouse events, adjusts the mouse position to world coordinates, + * and triggers the appropriate mouse-specific event handling logic. + */ + void handle_mouse_event(const EventData & event, const vec2 & camera_origin, + const Camera & current_cam); + /** + * \brief Handles non-mouse-related events. + * \param event The event data for the non-mouse event. + * + * This method processes events that do not involve the mouse, such as keyboard events, + * window events, and shutdown events, and triggers the corresponding event actions. + */ + void handle_non_mouse_event(const EventData & event); /** * \brief Handles the mouse click event. * \param mouse_button The mouse button involved in the click. @@ -48,8 +64,7 @@ private: * * This method processes the mouse click event and triggers the corresponding button action. */ - void handle_click(const MouseButton & mouse_button, const int world_mouse_x, - const int world_mouse_y); + void handle_click(const MouseButton & mouse_button, const vec2 & mouse_pos); /** * \brief Handles the mouse movement event. @@ -59,8 +74,7 @@ private: * * This method processes the mouse movement event and updates the button hover state. */ - void handle_move(const SDLContext::EventData & event_data, const int world_mouse_x, - const int world_mouse_y); + void handle_move(const EventData & event_data, const vec2 & mouse_pos); /** * \brief Checks if the mouse position is inside the bounds of the button. @@ -70,8 +84,8 @@ private: * \param transform The transform component of the button. * \return True if the mouse is inside the button, false otherwise. */ - bool is_mouse_inside_button(const int world_mouse_x, const int world_mouse_y, - const Button & button, const Transform & transform); + bool is_mouse_inside_button(const vec2 & mouse_pos, const Button & button, + const Transform & transform); /** * \brief Handles the button press event, calling the on_click callback if necessary. diff --git a/src/crepe/system/ParticleSystem.cpp b/src/crepe/system/ParticleSystem.cpp index b14c52f..35a1d41 100644 --- a/src/crepe/system/ParticleSystem.cpp +++ b/src/crepe/system/ParticleSystem.cpp @@ -1,3 +1,4 @@ +#include <chrono> #include <cmath> #include <cstdlib> #include <ctime> @@ -5,6 +6,7 @@ #include "../api/ParticleEmitter.h" #include "../api/Transform.h" #include "../manager/ComponentManager.h" +#include "../manager/LoopTimerManager.h" #include "ParticleSystem.h" @@ -12,7 +14,11 @@ using namespace crepe; void ParticleSystem::update() { // Get all emitters - ComponentManager & mgr = this->mediator.component_manager; + const Mediator & mediator = this->mediator; + LoopTimerManager & loop_timer = mediator.loop_timer; + ComponentManager & mgr = mediator.component_manager; + float dt = loop_timer.get_scaled_fixed_delta_time().count(); + RefVector<ParticleEmitter> emitters = mgr.get_components_by_type<ParticleEmitter>(); for (ParticleEmitter & emitter : emitters) { @@ -21,38 +27,39 @@ void ParticleSystem::update() { = mgr.get_components_by_id<Transform>(emitter.game_object_id).front().get(); // Emit particles based on emission_rate - int updates = calculate_update(this->update_count, emitter.data.emission_rate); - for (size_t i = 0; i < updates; i++) { - emit_particle(emitter, transform); + emitter.spawn_accumulator += emitter.data.emission_rate * dt; + while (emitter.spawn_accumulator >= 1.0) { + this->emit_particle(emitter, transform); + emitter.spawn_accumulator -= 1.0; } // Update all particles - for (Particle & particle : emitter.data.particles) { + for (Particle & particle : emitter.particles) { if (particle.active) { - particle.update(); + particle.update(dt); } } // Check if within boundary - check_bounds(emitter, transform); + this->check_bounds(emitter, transform); } - - this->update_count = (this->update_count + 1) % this->MAX_UPDATE_COUNT; } void ParticleSystem::emit_particle(ParticleEmitter & emitter, const Transform & transform) { constexpr float DEG_TO_RAD = M_PI / 180.0; - vec2 initial_position = emitter.data.position + transform.position; - float random_angle = generate_random_angle(emitter.data.min_angle, emitter.data.max_angle); + vec2 initial_position = emitter.data.offset + transform.position; + float random_angle + = this->generate_random_angle(emitter.data.min_angle, emitter.data.max_angle); - float random_speed = generate_random_speed(emitter.data.min_speed, emitter.data.max_speed); + float random_speed + = this->generate_random_speed(emitter.data.min_speed, emitter.data.max_speed); float angle_radians = random_angle * DEG_TO_RAD; vec2 velocity = {random_speed * std::cos(angle_radians), random_speed * std::sin(angle_radians)}; - for (Particle & particle : emitter.data.particles) { + for (Particle & particle : emitter.particles) { if (!particle.active) { particle.reset(emitter.data.end_lifespan, initial_position, velocity, random_angle); @@ -61,66 +68,54 @@ void ParticleSystem::emit_particle(ParticleEmitter & emitter, const Transform & } } -int ParticleSystem::calculate_update(int count, double emission) const { - double integer_part = std::floor(emission); - double fractional_part = emission - integer_part; - - if (fractional_part > 0) { - int denominator = static_cast<int>(1.0 / fractional_part); - return (count % denominator == 0) ? 1 : 0; - } - - return static_cast<int>(emission); -} - void ParticleSystem::check_bounds(ParticleEmitter & emitter, const Transform & transform) { - vec2 offset = emitter.data.boundary.offset + transform.position + emitter.data.position; - double half_width = emitter.data.boundary.width / 2.0; - double half_height = emitter.data.boundary.height / 2.0; + vec2 offset = emitter.data.boundary.offset + transform.position + emitter.data.offset; + float half_width = emitter.data.boundary.width / 2.0; + float half_height = emitter.data.boundary.height / 2.0; - const double LEFT = offset.x - half_width; - const double RIGHT = offset.x + half_width; - const double TOP = offset.y - half_height; - const double BOTTOM = offset.y + half_height; + float left = offset.x - half_width; + float right = offset.x + half_width; + float top = offset.y - half_height; + float bottom = offset.y + half_height; - for (Particle & particle : emitter.data.particles) { + for (Particle & particle : emitter.particles) { const vec2 & position = particle.position; - bool within_bounds = (position.x >= LEFT && position.x <= RIGHT && position.y >= TOP - && position.y <= BOTTOM); - + bool within_bounds = (position.x >= left && position.x <= right && position.y >= top + && position.y <= bottom); + //if not within bounds do a reset or stop velocity if (!within_bounds) { if (emitter.data.boundary.reset_on_exit) { particle.active = false; } else { particle.velocity = {0, 0}; - if (position.x < LEFT) particle.position.x = LEFT; - else if (position.x > RIGHT) particle.position.x = RIGHT; - if (position.y < TOP) particle.position.y = TOP; - else if (position.y > BOTTOM) particle.position.y = BOTTOM; + if (position.x < left) particle.position.x = left; + else if (position.x > right) particle.position.x = right; + if (position.y < top) particle.position.y = top; + else if (position.y > bottom) particle.position.y = bottom; } } } } -double ParticleSystem::generate_random_angle(double min_angle, double max_angle) const { +float ParticleSystem::generate_random_angle(float min_angle, float max_angle) const { if (min_angle == max_angle) { return min_angle; } else if (min_angle < max_angle) { return min_angle - + static_cast<double>(std::rand() % static_cast<int>(max_angle - min_angle)); + + static_cast<float>(std::rand() % static_cast<int>(max_angle - min_angle)); } else { - double angle_offset = (360 - min_angle) + max_angle; - double random_angle - = min_angle + static_cast<double>(std::rand() % static_cast<int>(angle_offset)); + float angle_offset = (360 - min_angle) + max_angle; + float random_angle + = min_angle + static_cast<float>(std::rand() % static_cast<int>(angle_offset)); return (random_angle >= 360) ? random_angle - 360 : random_angle; } } -double ParticleSystem::generate_random_speed(double min_speed, double max_speed) const { +float ParticleSystem::generate_random_speed(float min_speed, float max_speed) const { if (min_speed == max_speed) { return min_speed; } else { return min_speed - + static_cast<double>(std::rand() % static_cast<int>(max_speed - min_speed)); + + static_cast<float>(std::rand() % static_cast<int>(max_speed - min_speed)); } } diff --git a/src/crepe/system/ParticleSystem.h b/src/crepe/system/ParticleSystem.h index 068f01c..154521d 100644 --- a/src/crepe/system/ParticleSystem.h +++ b/src/crepe/system/ParticleSystem.h @@ -32,16 +32,6 @@ private: void emit_particle(ParticleEmitter & emitter, const Transform & transform); /** - * \brief Calculates the number of times particles should be emitted based on emission rate - * and update count. - * - * \param count Current update count. - * \param emission Emission rate. - * \return The number of particles to emit. - */ - int calculate_update(int count, double emission) const; - - /** * \brief Checks whether particles are within the emitter’s boundary, resets or stops * particles if they exit. * @@ -57,7 +47,7 @@ private: * \param max_angle Maximum emission angle in degrees. * \return Random angle in degrees. */ - double generate_random_angle(double min_angle, double max_angle) const; + float generate_random_angle(float min_angle, float max_angle) const; /** * \brief Generates a random speed for particle emission within the specified range. @@ -66,15 +56,7 @@ private: * \param max_speed Maximum emission speed. * \return Random speed. */ - double generate_random_speed(double min_speed, double max_speed) const; - -private: - //! Counter to count updates to determine how many times emit_particle is - // called. - unsigned int update_count = 0; - //! Determines the lowest amount of emission rate (1000 = 0.001 = 1 particle per 1000 - // updates). - static constexpr unsigned int MAX_UPDATE_COUNT = 100; + float generate_random_speed(float min_speed, float max_speed) const; }; } // namespace crepe diff --git a/src/crepe/system/RenderSystem.cpp b/src/crepe/system/RenderSystem.cpp index afd9548..505433a 100644 --- a/src/crepe/system/RenderSystem.cpp +++ b/src/crepe/system/RenderSystem.cpp @@ -83,11 +83,11 @@ bool RenderSystem::render_particle(const Sprite & sprite, const double & scale) bool rendering_particles = false; for (const ParticleEmitter & em : emitters) { - if (&em.data.sprite != &sprite) continue; + if (&em.sprite != &sprite) continue; rendering_particles = true; if (!em.active) continue; - for (const Particle & p : em.data.particles) { + for (const Particle & p : em.particles) { if (!p.active) continue; ctx.draw(SDLContext::RenderContext{ |