Merge branch 'niels/decoupling_pixel_and_pos' of github.com:lonkaars/crepe

1 files changed, 23 insertions, 8 deletions

diff --git a/src/crepe/system/AnimatorSystem.cpp b/src/crepe/system/AnimatorSystem.cpp
index 8bb6465..549c35d 100644
--- a/src/crepe/system/AnimatorSystem.cpp
+++ b/src/crepe/system/AnimatorSystem.cpp
@@ -1,8 +1,8 @@
-#include <cstdint>
+
 
 #include "../api/Animator.h"
-#include "../facade/SDLContext.h"
 #include "../manager/ComponentManager.h"
+#include "api/LoopTimer.h"
 
 #include "AnimatorSystem.h"
 
@@ -10,15 +10,30 @@ using namespace crepe;
 
 void AnimatorSystem::update() {
 	ComponentManager & mgr = this->mediator.component_manager;
-
+	LoopTimer & timer = this->mediator.timer;
 	RefVector<Animator> animations = mgr.get_components_by_type<Animator>();
 
-	uint64_t tick = SDLContext::get_instance().get_ticks();
+	double elapsed_time = 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;
+
+		Animator::Data & ctx = a.data;
+		float frame_duration = 1.0f / ctx.fps;
+
+		int last_frame = ctx.row;
+
+		int cycle_end = (ctx.cycle_end == -1) ? a.max_rows : ctx.cycle_end;
+		int total_frames = cycle_end - ctx.cycle_start;
+
+		int curr_frame = static_cast<int>(elapsed_time / frame_duration) % total_frames;
+
+		ctx.row = ctx.cycle_start + curr_frame;
+		a.spritesheet.mask.x = ctx.row * a.spritesheet.mask.w;
+		a.spritesheet.mask.y = (ctx.col * a.spritesheet.mask.h);
+
+		if (!ctx.looping && curr_frame == ctx.cycle_start && last_frame == total_frames - 1) {
+			a.active = false;
+		}
 	}
 }