1 files changed, 80 insertions, 34 deletions

diff --git a/src/crepe/system/RenderSystem.cpp b/src/crepe/system/RenderSystem.cpp
index 11c9669..30bb422 100644
--- a/src/crepe/system/RenderSystem.cpp
+++ b/src/crepe/system/RenderSystem.cpp
@@ -2,28 +2,43 @@
 #include <cassert>
 #include <cmath>
 #include <functional>
+#include <optional>
 #include <stdexcept>
 #include <vector>
 
-#include "../ComponentManager.h"
 #include "../api/Camera.h"
 #include "../api/ParticleEmitter.h"
 #include "../api/Sprite.h"
+#include "../api/Text.h"
 #include "../api/Transform.h"
+#include "../facade/Font.h"
 #include "../facade/SDLContext.h"
+#include "../facade/Texture.h"
+#include "../manager/ComponentManager.h"
+#include "../manager/ResourceManager.h"
+#include "api/Text.h"
+#include "facade/Font.h"
+#include "util/AbsolutePosition.h"
 
 #include "RenderSystem.h"
+#include "types.h"
 
 using namespace crepe;
 using namespace std;
 
-void RenderSystem::clear_screen() { this->context.clear_screen(); }
-
-void RenderSystem::present_screen() { this->context.present_screen(); }
+void RenderSystem::clear_screen() {
+	SDLContext & ctx = this->mediator.sdl_context;
+	ctx.clear_screen();
+}
 
-const Camera & RenderSystem::update_camera() {
-	ComponentManager & mgr = this->component_manager;
+void RenderSystem::present_screen() {
+	SDLContext & ctx = this->mediator.sdl_context;
+	ctx.present_screen();
+}
 
+void RenderSystem::update_camera() {
+	ComponentManager & mgr = this->mediator.component_manager;
+	SDLContext & ctx = this->mediator.sdl_context;
 	RefVector<Camera> cameras = mgr.get_components_by_type<Camera>();
 
 	if (cameras.size() == 0) throw std::runtime_error("No cameras in current scene");
@@ -32,16 +47,18 @@ const Camera & RenderSystem::update_camera() {
 		if (!cam.active) continue;
 		const Transform & transform
 			= mgr.get_components_by_id<Transform>(cam.game_object_id).front().get();
-		this->context.set_camera(cam);
-		this->cam_pos = transform.position + cam.offset;
-		return cam;
+		vec2 new_camera_pos = transform.position + cam.data.postion_offset;
+		ctx.update_camera_view(cam, new_camera_pos);
+		return;
 	}
 	throw std::runtime_error("No active cameras in current scene");
 }
 
 bool sorting_comparison(const Sprite & a, const Sprite & b) {
-	if (a.sorting_in_layer < b.sorting_in_layer) return true;
-	if (a.sorting_in_layer == b.sorting_in_layer) return a.order_in_layer < b.order_in_layer;
+	if (a.data.sorting_in_layer != b.data.sorting_in_layer)
+		return a.data.sorting_in_layer < b.data.sorting_in_layer;
+	if (a.data.order_in_layer != b.data.order_in_layer)
+		return a.data.order_in_layer < b.data.order_in_layer;
 
 	return false;
 }
@@ -53,16 +70,41 @@ RefVector<Sprite> RenderSystem::sort(RefVector<Sprite> & objs) const {
 	return sorted_objs;
 }
 
-void RenderSystem::update() {
+void RenderSystem::frame_update() {
 	this->clear_screen();
 	this->render();
+	this->render_text();
 	this->present_screen();
 }
 
-bool RenderSystem::render_particle(const Sprite & sprite, const Camera & cam,
-								   const double & scale) {
+void RenderSystem::render_text() {
+	SDLContext & ctx = this->mediator.sdl_context;
+	ComponentManager & mgr = this->mediator.component_manager;
+	ResourceManager & resource_manager = this->mediator.resource_manager;
+
+	RefVector<Text> texts = mgr.get_components_by_type<Text>();
+
+	for (Text & text : texts) {
+		if (!text.active) continue;
+		if (!text.font.has_value())
+			text.font.emplace(ctx.get_font_from_name(text.font_family));
+
+		const Font & font = resource_manager.get<Font>(text.font.value());
+		const auto & transform
+			= mgr.get_components_by_id<Transform>(text.game_object_id).front().get();
+		ctx.draw_text(SDLContext::RenderText {
+			.text = text,
+			.font = font,
+			.transform = transform,
+		});
+	}
+}
 
-	ComponentManager & mgr = this->component_manager;
+bool RenderSystem::render_particle(const Sprite & sprite, const Transform & transform) {
+	ComponentManager & mgr = this->mediator.component_manager;
+	SDLContext & ctx = this->mediator.sdl_context;
+	ResourceManager & resource_manager = this->mediator.resource_manager;
+	Texture & res = resource_manager.get<Texture>(sprite.source);
 
 	vector<reference_wrapper<ParticleEmitter>> emitters
 		= mgr.get_components_by_id<ParticleEmitter>(sprite.game_object_id);
@@ -70,53 +112,57 @@ bool RenderSystem::render_particle(const Sprite & sprite, const Camera & cam,
 	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;
+			if (p.time_in_life < em.data.begin_lifespan) continue;
 
-			this->context.draw(SDLContext::RenderContext{
+			ctx.draw(SDLContext::RenderContext {
 				.sprite = sprite,
-				.cam = cam,
-				.cam_pos = this->cam_pos,
+				.texture = res,
 				.pos = p.position,
-				.angle = p.angle,
-				.scale = scale,
+				.angle = p.angle + transform.rotation,
+				.scale = transform.scale,
 			});
 		}
 	}
 	return rendering_particles;
 }
-void RenderSystem::render_normal(const Sprite & sprite, const Camera & cam,
-								 const Transform & tm) {
-	this->context.draw(SDLContext::RenderContext{
+void RenderSystem::render_normal(const Sprite & sprite, const Transform & transform) {
+	SDLContext & ctx = this->mediator.sdl_context;
+	ResourceManager & resource_manager = this->mediator.resource_manager;
+	const Texture & res = resource_manager.get<Texture>(sprite.source);
+	vec2 pos = AbsolutePosition::get_position(transform, sprite.data.position_offset);
+	ctx.draw(SDLContext::RenderContext {
 		.sprite = sprite,
-		.cam = cam,
-		.cam_pos = this->cam_pos,
-		.pos = tm.position,
-		.angle = tm.rotation,
-		.scale = tm.scale,
+		.texture = res,
+		.pos = pos,
+		.angle = transform.rotation,
+		.scale = transform.scale,
 	});
 }
 
 void RenderSystem::render() {
-	ComponentManager & mgr = this->component_manager;
-	const Camera & cam = this->update_camera();
+	ComponentManager & mgr = this->mediator.component_manager;
+	this->update_camera();
 
 	RefVector<Sprite> sprites = mgr.get_components_by_type<Sprite>();
+	ResourceManager & resource_manager = this->mediator.resource_manager;
 	RefVector<Sprite> sorted_sprites = this->sort(sprites);
+	RefVector<Text> text_components = mgr.get_components_by_type<Text>();
 
 	for (const Sprite & sprite : sorted_sprites) {
 		if (!sprite.active) continue;
 		const Transform & transform
 			= mgr.get_components_by_id<Transform>(sprite.game_object_id).front().get();
 
-		bool rendered_particles = this->render_particle(sprite, cam, transform.scale);
+		bool rendered_particles = this->render_particle(sprite, transform);
 
 		if (rendered_particles) continue;
 
-		this->render_normal(sprite, cam, transform);
+		this->render_normal(sprite, transform);
 	}
 }