From bf34f891c5c09e6c8a42797085860fa80ab53814 Mon Sep 17 00:00:00 2001
From: Kelly Rauchenberger <fefferburbia@gmail.com>
Date: Sun, 24 Feb 2019 13:11:12 -0500
Subject: Editor now renders a tiled background image

---
 src/editor.cpp | 27 +++++++++++++++++++++++++++
 src/editor.h   |  6 ++++++
 src/main.cpp   |  3 +++
 src/vector.h   |  1 +
 4 files changed, 37 insertions(+)

(limited to 'src')

diff --git a/src/editor.cpp b/src/editor.cpp
index 6e53ac3..92c6b67 100644
--- a/src/editor.cpp
+++ b/src/editor.cpp
@@ -1,4 +1,5 @@
 #include "editor.h"
+#include "consts.h"
 
 void Editor::tick(
   double dt,
@@ -9,5 +10,31 @@ void Editor::tick(
 
 void Editor::render(SDL_Renderer* ren)
 {
+  if (!background_)
+  {
+    surface_ptr bgSurf(IMG_Load("../res/editor_bg.png"));
 
+    if (!bgSurf)
+    {
+      throw img_error();
+    }
+
+    background_.reset(SDL_CreateTextureFromSurface(ren, bgSurf.get()));
+    bgSize_ = { bgSurf->w, bgSurf->h };
+  }
+
+  for (int y = 0; y < WINDOW_SIZE.h() / bgSize_.h(); y++)
+  {
+    for (int x = 0; x < WINDOW_SIZE.w() / bgSize_.w(); x++)
+    {
+      SDL_Rect rect {
+        x * bgSize_.w(),
+        y * bgSize_.h(),
+        bgSize_.w(),
+        bgSize_.h()
+      };
+
+      SDL_RenderCopy(ren, background_.get(), nullptr, &rect);
+    }
+  }
 }
diff --git a/src/editor.h b/src/editor.h
index aa137ec..dc908b9 100644
--- a/src/editor.h
+++ b/src/editor.h
@@ -2,6 +2,7 @@
 #define EDITOR_H_8BB54FE3
 
 #include "state.h"
+#include "vector.h"
 
 class Editor : public State {
 public:
@@ -12,6 +13,11 @@ public:
 
   void render(SDL_Renderer* ren) override;
 
+private:
+
+  texture_ptr background_;
+  vec2i bgSize_;
+
 };
 
 #endif /* end of include guard: EDITOR_H_8BB54FE3 */
diff --git a/src/main.cpp b/src/main.cpp
index 7c65e81..cbac5bb 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -11,6 +11,9 @@ int main(int argc, char** argv)
   std::random_device randomEngine;
   std::mt19937 rng(randomEngine());
 
+  sdl_wrapper sdl;
+  img_wrapper img;
+
   window_ptr win(
     SDL_CreateWindow(
       "dispatcher",
diff --git a/src/vector.h b/src/vector.h
index a94aea0..c207dc8 100644
--- a/src/vector.h
+++ b/src/vector.h
@@ -120,5 +120,6 @@ public:
 };
 
 using vec2s = vec2<size_t>;
+using vec2i = vec2<int>;
 
 #endif /* end of include guard: COORDINATES_H_A45D34FB */
-- 
cgit 1.4.1