New UITextComponent implemented

src/ecs/UITextComponent.h

@@ -0,0 +1,109 @@
+/*
+ * UITextComponent.h
+ *
+ *  Created on: Feb 22, 2020
+ *      Author: ayoungblood
+ */
+
+#ifndef SRC_ECS_UITEXTCOMPONENT_H_
+#define SRC_ECS_UITEXTCOMPONENT_H_
+
+#define ASCII_START_IDX 32
+#define ASCII_COUNT 96
+#define ASCII_ROW_COUNT 16
+
+#include "Components.h"
+#include "SDL2/SDL.h"
+#include "../assetmgr/TextureManager.h"
+#include "../assetmgr/AssetManager.h"
+#include <stdio.h>
+#include <string>
+#include <iostream>
+#include <tuple>
+
+// Should include <iostream> and <tuple> to make an array of tuples with two SDL_Rect type vars to feed to the draw function.
+
+class UITextComponent : public Component
+{
+private:
+	TransformComponent *transform;
+	SDL_Texture *texture;
+	SDL_Rect srcRect, destRect;
+// 	char letter;
+	std::string text;
+    int letterWidth, letterHeight;
+	int scale = 1;
+	SDL_RendererFlip spriteFlip = SDL_FLIP_NONE;
+    std::tuple <SDL_Rect, SDL_Rect> letter;
+    
+public:
+
+	
+	UITextComponent(std::string id, std::string textToPrint, int letterW, int letterH, int letterScale)
+	{
+        setTex(id);
+		text = textToPrint;
+		letterWidth = letterW;
+		letterHeight = letterH;
+		scale = letterScale;
+// 		destRect.w = letterW*letterScale;
+// 		destRect.h = letterH*letterScale;
+	}
+
+	~UITextComponent()
+	{
+		SDL_DestroyTexture(texture);
+	}
+
+	void setTex(std::string id)
+	{
+		texture = Game::assets->GetTexture(id);
+	}
+
+	void init() override
+	{
+		transform = &entity->getComponent<TransformComponent>();
+        
+	}
+
+	void update() override
+	{
+        destRect.x = static_cast<int>(transform->position.x);
+        destRect.y = static_cast<int>(transform->position.y);
+	}
+
+	void draw() override
+	{
+//         This should be updated to iterate through an array of each letter's srcRect and destRect
+        for (int l = 0; l < text.length(); l++)
+        {
+            std::tuple<SDL_Rect, SDL_Rect> lttr = getLetterTexture(text[l],l);
+            TextureManager::Draw(texture, std::get<0>(lttr), std::get<1>(lttr), spriteFlip);
+        }
+	}
+	
+	std::tuple<SDL_Rect, SDL_Rect> getLetterTexture(char currentLetter, int i)
+    {
+        std::tuple<SDL_Rect, SDL_Rect> letterTuple;
+        
+        srcRect.x = ((currentLetter-ASCII_START_IDX) % ASCII_ROW_COUNT)*letterWidth;
+        srcRect.y = ((currentLetter-ASCII_START_IDX)/ASCII_ROW_COUNT)*letterHeight;
+        srcRect.w = letterWidth;
+        srcRect.h = letterHeight;
+        destRect.x = static_cast<int>(transform->position.x)*scale+i*letterWidth*scale;
+        destRect.y = static_cast<int>(transform->position.y)*scale;
+        destRect.w = letterWidth*scale;
+        destRect.h = letterHeight*scale; 
+        letterTuple =  std::make_tuple(srcRect,destRect);
+        return letterTuple;
+    }
+	
+	void updateString(std::string newString)
+    {
+        text = newString;
+    }
+
+};
+
+#endif /* SRC_ECS_UITEXTCOMPONENT_H_ */
+