From 7bcee4f662b20b8e2e7183bb6bd4cb061fa14e12 Mon Sep 17 00:00:00 2001
From: JAROWMR <jarorutjes07@gmail.com>
Date: Sun, 22 Dec 2024 00:11:56 +0100
Subject: added menu buttons + scene switching

---
 game/CMakeLists.txt                 |  3 ++
 game/main.cpp                       |  1 +
 game/mainmenu/ButtonStartScript.cpp | 48 +++++++++++++++++++++++++++++++
 game/mainmenu/ButtonStartScript.h   | 19 +++++++++++++
 game/mainmenu/ButtonSubScene.cpp    | 57 +++++++++++++++++++++++++------------
 game/mainmenu/ButtonSubScene.h      | 24 +++++++++++++++-
 game/mainmenu/MainMenuConfig.h      | 22 ++++++++++++++
 game/mainmenu/MainMenuScene.cpp     | 42 +++++++++++++++++++++++++--
 src/crepe/api/Config.h              |  2 +-
 src/crepe/api/Engine.cpp            |  1 +
 10 files changed, 197 insertions(+), 22 deletions(-)
 create mode 100644 game/mainmenu/ButtonStartScript.cpp
 create mode 100644 game/mainmenu/ButtonStartScript.h
 create mode 100644 game/mainmenu/MainMenuConfig.h

diff --git a/game/CMakeLists.txt b/game/CMakeLists.txt
index 8fae19f..5365fb4 100644
--- a/game/CMakeLists.txt
+++ b/game/CMakeLists.txt
@@ -25,6 +25,7 @@ set(SOURCES
 	mainmenu/ButtonScript.cpp
 	mainmenu/ButtonSubScene.cpp
 	mainmenu/MainMenuScene.cpp
+	mainmenu/ButtonStartScript.cpp
 )
 
 set(HEADERS
@@ -42,6 +43,8 @@ set(HEADERS
 	mainmenu/ButtonScript.h
 	mainmenu/ButtonSubScene.h
 	mainmenu/MainMenuScene.h
+	mainmenu/MainMenuConfig.h
+	mainmenu/ButtonStartScript.h
 )
 
 add_executable(main ${SOURCES} ${HEADERS})
diff --git a/game/main.cpp b/game/main.cpp
index 9c9f9ee..5d3dbaf 100644
--- a/game/main.cpp
+++ b/game/main.cpp
@@ -9,6 +9,7 @@ using namespace crepe;
 int main() {
 	Engine gameloop;
 	gameloop.add_scene<MainMenuScene>();
+	gameloop.add_scene<GameScene>();
 
 	return gameloop.main();
 }
diff --git a/game/mainmenu/ButtonStartScript.cpp b/game/mainmenu/ButtonStartScript.cpp
new file mode 100644
index 0000000..8f76802
--- /dev/null
+++ b/game/mainmenu/ButtonStartScript.cpp
@@ -0,0 +1,48 @@
+#include "ButtonStartScript.h"
+#include "api/Rigidbody.h"
+#include "api/Transform.h"
+#include "iostream"
+#include <crepe/api/Camera.h>
+#include "MainMenuConfig.h"
+
+using namespace crepe;
+using namespace std;
+
+void ButtonStartScript::init(){
+	cout << "script init" << endl;
+	this->subscribe<ButtonPressEvent>([this](const ButtonPressEvent& e) { return this->on_button_press(e); });
+	this->subscribe<ButtonEnterEvent>([this](const ButtonEnterEvent& e) { return this->on_button_enter(e); });
+	this->subscribe<ButtonExitEvent>([this](const ButtonExitEvent& e) { return this->on_button_exit(e); });
+}
+
+void ButtonStartScript::frame_update(crepe::duration_t delta_time){
+	if(this->transition)
+	{
+		cout << "transition:" << velocity << std::endl;
+		Transform & cam = this->get_components_by_name<Transform>(MainMenuConfig::CAMERA_NAME).front();
+		if(velocity < velocity_max && cam.position.x < SLOW_DOWN) velocity += velocity_step * delta_time.count();
+		else if(velocity > 20) velocity -= velocity_step * delta_time.count();
+		if(cam.position.x < END)	cam.position.x += (velocity * delta_time.count());
+		if(cam.position.x >= END) 
+		{
+			this->set_next_scene(MainMenuConfig::START_SCENE);
+		}
+
+	}
+}
+
+bool ButtonStartScript::on_button_press(const ButtonPressEvent& e){
+	this->transition = true;
+	cout << "Start triggered:" << e.metadata.game_object_id << std::endl;
+	return false;
+}
+bool ButtonStartScript::on_button_enter(const ButtonEnterEvent& e){
+
+	cout << "Start Enter:" << e.metadata.game_object_id << std::endl;
+	return false;
+}
+bool ButtonStartScript::on_button_exit(const ButtonExitEvent& e){
+
+	cout << "Start Exit:" << e.metadata.game_object_id << std::endl;
+	return false;
+}
diff --git a/game/mainmenu/ButtonStartScript.h b/game/mainmenu/ButtonStartScript.h
new file mode 100644
index 0000000..3d6f920
--- /dev/null
+++ b/game/mainmenu/ButtonStartScript.h
@@ -0,0 +1,19 @@
+#pragma once
+
+#include <crepe/api/Script.h>
+
+class ButtonStartScript : public crepe::Script {
+public:
+	void init() override;
+	void frame_update(crepe::duration_t delta_time) override;
+	bool on_button_press(const crepe::ButtonPressEvent& e);
+	bool on_button_enter(const crepe::ButtonEnterEvent& e);
+	bool on_button_exit(const crepe::ButtonExitEvent& e);
+private:
+ 	bool transition = false;
+	static constexpr float SLOW_DOWN = 200;
+	static constexpr float END = 300;
+	const float velocity_max = 200;
+	const float velocity_step = 200;
+	float velocity = 20;
+};
diff --git a/game/mainmenu/ButtonSubScene.cpp b/game/mainmenu/ButtonSubScene.cpp
index ac51c1b..e61613b 100644
--- a/game/mainmenu/ButtonSubScene.cpp
+++ b/game/mainmenu/ButtonSubScene.cpp
@@ -1,7 +1,7 @@
 #include "ButtonSubScene.h"
 #include "ButtonScript.h"
-
-#include "system/RenderSystem.h"
+#include "ButtonStartScript.h"
+#include "MainMenuConfig.h"
 
 #include <crepe/api/BehaviorScript.h>
 #include <crepe/api/Sprite.h>
@@ -12,31 +12,52 @@
 using namespace crepe;
 using namespace std;
 
-void ButtonSubScene::create(Scene & scn){
-	GameObject button_object = scn.new_object("button");
-	button_object.add_component<Button>(vec2{250,100},vec2{0,0});
-	button_object.add_component<BehaviorScript>().set_script<ButtonScript>();
+void ButtonSubScene::create(Scene & scn,const Data & data){
+	GameObject button_object = scn.new_object("button","",data.position,0,1);
 	this->large_btn_overlay(button_object);
+	this->btn_text_middle(button_object,data.text,data.text_offset,data.text_size);
+	this->set_script(button_object,data.script);
 }
 void ButtonSubScene::large_btn_overlay(crepe::GameObject & button_object){
 	button_object.add_component<Sprite>(Asset("asset/ui/buttonBacking.png"),Sprite::Data{
-		.sorting_in_layer = 0,
-		.size = vec2{250,100},
+		.sorting_in_layer = MainMenuConfig::STARTING_SORTING_IN_LAYER+1,
+		.size = MainMenuConfig::LARGE_OVERLAY_SIZE,
 	});
+	button_object.add_component<Button>(MainMenuConfig::LARGE_OVERLAY_SIZE,vec2{0,0});
+	this->btn_color_side(button_object,SIDE_PANEL_OFFSET);
+}
+
+void ButtonSubScene::btn_color_side(crepe::GameObject & button_object,const vec2 & offset){
 	button_object.add_component<Sprite>(Asset("asset/ui/buttonSmallBlue.png"),Sprite::Data{
-		.sorting_in_layer = 1,
-		.size = vec2{50,150},
-		.position_offset = {110,0},
+		.sorting_in_layer = MainMenuConfig::STARTING_SORTING_IN_LAYER+2,
+		.size = MainMenuConfig::SIDE_PANEL_SIZE,
+		.position_offset = offset,
 	});
 	button_object.add_component<Sprite>(Asset("asset/ui/buttonSmallBlue.png"),Sprite::Data{
 		.flip = {true,false},
-		.sorting_in_layer = 1,
-		.size = vec2{75,150},
-		.position_offset = {-110,0},
+		.sorting_in_layer = MainMenuConfig::STARTING_SORTING_IN_LAYER+2,
+		.size = MainMenuConfig::SIDE_PANEL_SIZE,
+		.position_offset = {-offset.x,offset.y},
 	});
-	//fc-match arial
-	button_object.add_component<Text>(vec2{220,100},vec2{0,0}, "dejavusans", Text::Data{
-		.text_color = Color::MAGENTA,
-		}, "Hallo");
+}
+
+//fc-match arial
+void ButtonSubScene::btn_text_middle(crepe::GameObject & button_object,const std::string & text,const crepe::vec2 & text_offset,const crepe::vec2 & text_size){
+	button_object.add_component<Text>(text_size,text_offset+MainMenuConfig::FONTOFFSET, MainMenuConfig::FONT, Text::Data{
+		.text_color = Color::WHITE,
+		}, text);
+}
 
+void ButtonSubScene::set_script(crepe::GameObject & button_object,ScriptSelect script){
+	switch (script) {
+		case ScriptSelect::START:
+			button_object.add_component<BehaviorScript>().set_script<ButtonStartScript>();
+			break;
+		case ScriptSelect::PREVIEW:
+		case ScriptSelect::SHOP:
+			button_object.add_component<BehaviorScript>().set_script<ButtonScript>();
+			break;
+		case ScriptSelect::NONE:
+			break;
+	}
 }
diff --git a/game/mainmenu/ButtonSubScene.h b/game/mainmenu/ButtonSubScene.h
index fab076d..658e651 100644
--- a/game/mainmenu/ButtonSubScene.h
+++ b/game/mainmenu/ButtonSubScene.h
@@ -1,6 +1,7 @@
 #pragma once
 
 #include <crepe/api/GameObject.h>
+#include "MainMenuConfig.h"
 
 namespace crepe {
 class Scene;
@@ -8,7 +9,28 @@ class Scene;
 
 class ButtonSubScene {
 public:
-	void create(crepe::Scene & scn);
+	//script enum
+	enum class ScriptSelect {
+		START,
+		PREVIEW,
+		SHOP,
+		NONE,
+	};
+	//data struct
+	struct Data{
+		const std::string & text = "NODATA";
+		const crepe::vec2 & text_offset = {0,0};
+		const crepe::vec2 & text_size = {200,200};
+		const crepe::vec2 & position = {0,0};
+		const ScriptSelect script = ScriptSelect::NONE;
+	};
+public:
+	void create(crepe::Scene & scn,const Data & data);
 private:
 	void large_btn_overlay(crepe::GameObject & button_object);
+	void btn_color_side(crepe::GameObject & button_object,const crepe::vec2 & offset);
+	void btn_text_middle(crepe::GameObject & button_object,const std::string & text,const crepe::vec2 & text_offset,const crepe::vec2 & text_size);
+	void set_script(crepe::GameObject & button_object,ScriptSelect script);
+private:
+	static constexpr crepe::vec2 SIDE_PANEL_OFFSET = {113,0};
 };
diff --git a/game/mainmenu/MainMenuConfig.h b/game/mainmenu/MainMenuConfig.h
new file mode 100644
index 0000000..8992ce7
--- /dev/null
+++ b/game/mainmenu/MainMenuConfig.h
@@ -0,0 +1,22 @@
+#pragma once
+#include "types.h"
+#include <string>
+
+struct MainMenuConfig {
+	//generic menu config
+	static constexpr unsigned int STARTING_SORTING_IN_LAYER = 7;
+	static constexpr const char* CAMERA_NAME = "camera";
+	static constexpr const char* START_SCENE = "scene1";
+	//main menu config
+	static constexpr float STARTMAP_OFFSET = 50;
+	static constexpr crepe::vec2 MENU_OFFSET = {-400,-200};
+	static constexpr float MENU_BUTTON_SPACING = 10;
+	static constexpr crepe::vec2 MENU_OFFSET_BACKGROUND = {0,+200};
+
+	//button config
+	static constexpr const char* FONT = "Garuda";
+	static constexpr crepe::vec2 FONTOFFSET = {0,0};
+	static constexpr crepe::vec2 LARGE_OVERLAY_SIZE = {250,100};
+	static constexpr crepe::vec2 SIDE_PANEL_SIZE = {50,150};
+};
+
diff --git a/game/mainmenu/MainMenuScene.cpp b/game/mainmenu/MainMenuScene.cpp
index bc8ea86..4067681 100644
--- a/game/mainmenu/MainMenuScene.cpp
+++ b/game/mainmenu/MainMenuScene.cpp
@@ -2,19 +2,57 @@
 #include "MainMenuScene.h"
 #include "ButtonSubScene.h"
 #include "api/Camera.h"
+#include "../StartSubScene.h"
+#include "MainMenuConfig.h"
+#include "api/GameObject.h"
+#include "api/Rigidbody.h"
+#include "api/Sprite.h"
 
 using namespace crepe;
 using namespace std;
 
 void MainMenuScene::load_scene(){
-	GameObject camera_object = this->new_object("camera");
+	GameObject camera_object = this->new_object(MainMenuConfig::CAMERA_NAME);
 	camera_object.add_component<Camera>(ivec2(990, 720), vec2(1100, 800),
 	Camera::Data{
 		.bg_color = Color::RED,
 	});
+
+	GameObject menu_background = this->new_object("menu_background","",MainMenuConfig::MENU_OFFSET + MainMenuConfig::MENU_OFFSET_BACKGROUND);
+	menu_background.add_component<Sprite>(
+		Asset("asset/ui/itemsButtonBlankDark.png"),
+		Sprite::Data{
+		.sorting_in_layer = MainMenuConfig::STARTING_SORTING_IN_LAYER+0,
+		.size = {300,922},
+		});
 	
 	ButtonSubScene button;
-	button.create(*this);
+	vec2 pos = MainMenuConfig::MENU_OFFSET;
+	
+	//Start btn
+	button.create(*this,ButtonSubScene::Data{
+		.text = "START",
+		.text_size = vec2{200,80},
+		.position = pos,
+		.script = ButtonSubScene::ScriptSelect::START,
+	});
+	
+	//Preview btn
+	pos.y += MainMenuConfig::MENU_BUTTON_SPACING + MainMenuConfig::LARGE_OVERLAY_SIZE.y;
+	button.create(*this,ButtonSubScene::Data{
+		.text = "PREVIEW",
+		.text_size = vec2{200,80},
+		.position = pos,
+		.script = ButtonSubScene::ScriptSelect::PREVIEW,
+	});
+
+	//Shop btn
+	// pos.y += MainMenuConfig::MENU_BUTTON_SPACING + MainMenuConfig::LARGE_OVERLAY_SIZE.y;
+	// button.create(*this,"SHOP",vec2{0,0},vec2{200,80},pos);
+	
+	//Start of map
+	StartSubScene start;
+	start.create(*this, MainMenuConfig::STARTMAP_OFFSET);
 }
 
 string MainMenuScene::get_name() const { return "mainmenu"; }
diff --git a/src/crepe/api/Config.h b/src/crepe/api/Config.h
index c53c2d6..3e9c9ef 100644
--- a/src/crepe/api/Config.h
+++ b/src/crepe/api/Config.h
@@ -85,7 +85,7 @@ struct Config final {
 		 * This config option is the font size at which all fonts will be loaded initially.
 		 * 
 		 */
-		unsigned int size = 32;
+		unsigned int size = 40;
 	} font;
 	//! Configuration for click tolerance.
 	struct {
diff --git a/src/crepe/api/Engine.cpp b/src/crepe/api/Engine.cpp
index 2e9d35a..4add4e1 100644
--- a/src/crepe/api/Engine.cpp
+++ b/src/crepe/api/Engine.cpp
@@ -54,6 +54,7 @@ void Engine::loop() {
 
 		try {
 			systems.frame_update();
+			this->scene_manager.load_next_scene();
 		} catch (const exception & e) {
 			Log::logf(Log::Level::WARNING, "Uncaught exception in frame update function: {}\n",
 					  e.what());
-- 
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