diff options
Diffstat (limited to 'src/crepe/system/AnimatorSystem.cpp')
| -rw-r--r-- | src/crepe/system/AnimatorSystem.cpp | 31 | 
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; +		}  	}  } |