Input processor interface and sdl implementation added, now frees text textures after displaying text, need to look into caching so we can let manager handle it

src/game/visualizer.cpp

@@ -3,12 +3,15 @@
 //
 
 #include "visualizer.hpp"
-bool Visualizer::update() {
+bool Visualizer::update(InputResult input) {
     this->x += 1;
-    if(this->x > WIN_WIDTH) {
+    if(this->x > WIN_WIDTH || input.keycode == KEY_ESCAPE) {
         this->x = 0;
         return true;
     }
+    if(input.keycode == KEY_RIGHT) {
+        this->sprite_index += 1;
+    }
     return false;
 }
 
@@ -23,7 +26,7 @@ unsigned int Visualizer::get_framerate() {
 void Visualizer::render(Renderer *renderer) {
     Color color = COLOR_WHITE;
     SpriteSheet sheet = SpriteSheet{"sprites/character.bmp", 48, 48};
-    auto sprite = Sprite{&sheet, 1};
+    auto sprite = Sprite{&sheet, this->sprite_index};
     RendererParams window_params = get_renderer_params();
     renderer->draw_sprite(sprite, window_params.width/2, window_params.height/2);
     for(int y=0;y<WIN_HEIGHT;y++) {