improved animator

2 files changed, 23 insertions, 10 deletions

diff --git a/src/crepe/system/AnimatorSystem.cpp b/src/crepe/system/AnimatorSystem.cpp
index 4c40940..6a84150 100644
--- a/src/crepe/system/AnimatorSystem.cpp
+++ b/src/crepe/system/AnimatorSystem.cpp
@@ -1,7 +1,6 @@
-#include <cstdint>
+
 
 #include "api/Animator.h"
-#include "facade/SDLContext.h"
 
 #include "AnimatorSystem.h"
 #include "ComponentManager.h"
@@ -13,12 +12,25 @@ void AnimatorSystem::update() {
 
 	RefVector<Animator> animations = mgr.get_components_by_type<Animator>();
 
-	uint64_t tick = SDLContext::get_instance().get_ticks();
+	double elapsed_time = this->timer.get_current_time();
+
 	for (Animator & a : animations) {
 		if (!a.active) continue;
-		// (10 frames per second)
-		a.curr_row = (tick / 100) % a.row;
-		a.spritesheet.mask.x = (a.curr_row * a.spritesheet.mask.w) + a.curr_col;
-		a.spritesheet.mask = a.spritesheet.mask;
+
+		double frame_duration = 1.0f / a.fps;
+
+		int cycle_end = (a.cycle_end == -1) ? a.row : cycle_end;
+		int total_frames = cycle_end - a.cycle_start;
+
+
+		int curr_frame = static_cast<int>(elapsed_time / frame_duration) % total_frames;
+
+		a.curr_row = a.cycle_start + curr_frame;
+		a.spritesheet.mask.x = std::clamp((a.curr_row * a.spritesheet.mask.w - a.offset_x), 0, a.spritesheet.mask.w);
+		a.spritesheet.mask.y = (a.curr_col * a.spritesheet.mask.h);
+
+		if (!a.looping && curr_frame == total_frames) {
+			a.active = false;
+		}
 	}
 }
diff --git a/src/crepe/system/AnimatorSystem.h b/src/crepe/system/AnimatorSystem.h
index f8179a9..e8a5158 100644
--- a/src/crepe/system/AnimatorSystem.h
+++ b/src/crepe/system/AnimatorSystem.h
@@ -1,9 +1,7 @@
 #pragma once
 
 #include "System.h"
-
-//TODO:
-// control if flip works with animation system
+#include "api/LoopTimer.h"
 
 namespace crepe {
 
@@ -26,6 +24,9 @@ public:
 	 * looping).
 	 */
 	void update() override;
+
+private:
+	LoopTimer & timer = LoopTimer::get_instance();
 };
 
 } // namespace crepe