From b1ab0f6d98b3110319075a74fe962d0547b1eed6 Mon Sep 17 00:00:00 2001
From: Joseph Ferano <joseph@ferano.io>
Date: Tue, 19 Sep 2023 23:31:05 +0700
Subject: [PATCH] Render string on screen

---
 Makefile |  2 +-
 main.cpp | 97 +++++++++++++++++++++++++++++++++++++-------------------
 2 files changed, 65 insertions(+), 34 deletions(-)

diff --git a/Makefile b/Makefile
index 007152e..db609bb 100644
--- a/Makefile
+++ b/Makefile
@@ -6,7 +6,7 @@ CC = g++
 
 #COMPILER_FLAGS specifies the additional compilation options we're using
 # -w suppresses all warnings
-COMPILER_FLAGS = -w
+COMPILER_FLAGS = -Wall -Wpedantic
 
 #LINKER_FLAGS specifies the libraries we're linking against
 LINKER_FLAGS = -lSDL2 -lSDL2_image
diff --git a/main.cpp b/main.cpp
index 0804902..910755f 100644
--- a/main.cpp
+++ b/main.cpp
@@ -21,6 +21,60 @@ enum KeyPressSurfaces
     KEY_PRESS_SURFACE_TOTAL
 };
 
+SDL_Rect get_srcrect(char key) {
+    SDL_Rect srcrect;
+    srcrect.x = (key % 16) * 70;
+    srcrect.y = (key / 16) * 80;
+
+    srcrect.w = 80;
+    srcrect.h = 80;
+
+    return srcrect;
+}
+
+
+void render_char(char key, int row, int col, SDL_Renderer* renderer, SDL_Texture* font) {
+    SDL_Rect dstrect;
+
+    dstrect.x = col;
+    dstrect.y = row;
+    dstrect.w = 80;
+    dstrect.h = 80;
+    
+    SDL_Rect srcrect = get_srcrect(key);
+    SDL_RenderCopy(renderer, font, &srcrect, &dstrect);
+}
+
+void Draw(char keyPressed, SDL_Renderer* renderer, SDL_Texture* fontTexture) {
+    SDL_Rect srcrect;
+    SDL_Rect dstrect;
+
+    if (keyPressed > 0) {
+        srcrect.x = (keyPressed % 16) * 70;
+        srcrect.y = (keyPressed / 16) * 80;
+    } else {
+        srcrect.x = 0;
+        srcrect.y = 0;
+    }
+
+    srcrect.w = 80;
+    srcrect.h = 80;
+
+    dstrect.x = SCREEN_WIDTH/2 - 40;
+    dstrect.y = SCREEN_HEIGHT/2 - 40;
+    dstrect.w = 100;
+    dstrect.h = 100;
+
+    // SDL_BlitSurface(imageSurface, &srcrect, screenSurface, &dstrect);
+
+    //Update the surface
+    // SDL_UpdateWindowSurface( window );
+
+
+    SDL_RenderCopy(renderer, fontTexture, &srcrect, &dstrect);
+
+}
+
 int main(int argc, char *argv[]) {
     SDL_Window* window = NULL;
 
@@ -40,8 +94,7 @@ int main(int argc, char *argv[]) {
         return 1;
     }
 
-    SDL_Renderer* renderer =
-        SDL_CreateRenderer(window, -1, SDL_RENDERER_ACCELERATED);
+    SDL_Renderer* renderer = SDL_CreateRenderer(window, -1, SDL_RENDERER_ACCELERATED);
     SDL_SetRenderDrawColor(renderer, 130, 163, 255, 1);
 
 
@@ -58,10 +111,12 @@ int main(int argc, char *argv[]) {
     //Fill the surface white
     // auto rgbMap = SDL_MapRGB( screenSurface->format, 0x82, 0xA3, 0xFF);
 
-    int test = 0;
     SDL_Event e;
     bool quit = false;
     int keyPressed = -1;
+    int rowCurr = 0;
+    int colCurr = 0;
+    string text = "Some text";
     while (quit == false) {
         while (SDL_PollEvent( &e)) {
             if (e.type == SDL_QUIT) {
@@ -77,38 +132,14 @@ int main(int argc, char *argv[]) {
                 // }
             }
         }
-
         // SDL_FillRect( screenSurface, NULL, rgbMap);
-
-        SDL_Rect srcrect;
-        SDL_Rect dstrect;
-
-
-        if (keyPressed > 0) {
-            srcrect.x = (keyPressed % 16) * 70;
-            srcrect.y = (keyPressed / 16) * 80;
-        } else {
-            srcrect.x = 0;
-            srcrect.y = 0;
-        }
-
-        srcrect.w = 80;
-        srcrect.h = 80;
-
-        dstrect.x = SCREEN_WIDTH/2 - 40;
-        dstrect.y = SCREEN_HEIGHT/2 - 40;
-        dstrect.w = 100;
-        dstrect.h = 100;
-
-        // SDL_BlitSurface(imageSurface, &srcrect, screenSurface, &dstrect);
-
-        //Update the surface
-        // SDL_UpdateWindowSurface( window );
-
         SDL_RenderClear(renderer);
-
-        SDL_RenderCopy(renderer, fontTexture, &srcrect, &dstrect);
-
+        SDL_SetTextureColorMod(fontTexture, 0xFF, 0, 0);
+        for (int i = 0; i < 10; i++) {
+            render_char(text[i], rowCurr, colCurr++ * 50, renderer, fontTexture);
+        }
+        colCurr = 0;
+        // Draw(keyPressed, renderer, fontTexture);
         SDL_RenderPresent(renderer);
     }