Adjusted rendering so that now a gameobject can have multiple sprites with particles and another texture

1 files changed, 44 insertions, 21 deletions

diff --git a/src/crepe/system/RenderSystem.cpp b/src/crepe/system/RenderSystem.cpp
index 8bbf441..17a2337 100644
--- a/src/crepe/system/RenderSystem.cpp
+++ b/src/crepe/system/RenderSystem.cpp
@@ -7,10 +7,10 @@
 #include "../api/Transform.h"
 #include "../facade/SDLContext.h"
 #include "../util/log.h"
-#include "Particle.h"
-#include "api/ParticleEmitter.h"
-#include "api/Vector2.h"
+#include "../api/ParticleEmitter.h"
+#include "../api/Vector2.h"
 
+#include "Particle.h"
 #include "RenderSystem.h"
 
 using namespace crepe;
@@ -43,38 +43,61 @@ void RenderSystem::update_camera() {
 	}
 }
 
+bool RenderSystem::render_particle(const Sprite & sprite,
+								   const Transform & tm) {
 
-void RenderSystem::render_particle(const ParticleEmitter& em, Transform & tm){
-	if (!em.active) return;
-	
+	ComponentManager & mgr = ComponentManager::get_instance();
 	SDLContext & render = SDLContext::get_instance();
-	for (const Particle& p  : em.data.particles) {
-		if (!p.active) continue;
-		tm.position = p.position;
-		tm.rotation = p.angle;
-		render.draw(em.data.sprite, tm , *curr_cam);
+
+	auto emitters = mgr.get_components_by_id<ParticleEmitter>(sprite.game_object_id);
+
+	bool rendering_particles = false;
+
+	Transform tmp(0, Vector2{0, 0}, 0, 0);
+	tmp.scale = tm.scale;
+	for (const ParticleEmitter & em : emitters) {
+		if (!em.active) continue;
+		if (!(em.data.sprite.game_object_id == sprite.game_object_id)) continue;
+
+		rendering_particles = true;
+
+		for (const Particle & p : em.data.particles) {
+			if (!p.active) continue;
+			tmp.position = p.position;
+			tmp.rotation = p.angle;
+			render.draw(em.data.sprite, tmp, *curr_cam);
+		}
 	}
+	return rendering_particles;
 }
-void RenderSystem::render_sprites() {
+void RenderSystem::render_normal(const Sprite & sprite, const Transform & tm) {
 
 	ComponentManager & mgr = ComponentManager::get_instance();
+	SDLContext & render = SDLContext::get_instance();
+	
+	render.draw(sprite, tm, *curr_cam);
+}
 
-	auto emitter = mgr.get_components_by_type<ParticleEmitter>();
+void RenderSystem::render() {
 
-	SDLContext & render = SDLContext::get_instance();
-	Transform test(1, Vector2{0,0},0,0);
+	ComponentManager & mgr = ComponentManager::get_instance();
+
+	auto sprites = mgr.get_components_by_type<Sprite>();
+	for (const Sprite & sprite : sprites) {
+		if (!sprite.active) continue;
+		auto transform = mgr.get_components_by_id<Transform>(sprite.game_object_id);
+
+		bool rendered_particles = this->render_particle(sprite, transform[0].get());
+
+		if (rendered_particles) continue;
 
-	for (const ParticleEmitter & em : emitter) {
-		auto transforms
-			= mgr.get_components_by_id<Transform>(em.game_object_id);
-		test.scale = transforms[0].get().scale;
-		this->render_particle(em, test);
+		this->render_normal(sprite, transform[0].get());
 	}
 }
 
 void RenderSystem::update() {
 	this->clear_screen();
 	this->update_camera();
-	this->render_sprites();
+	this->render();
 	this->present_screen();
 }