Move controller update to a new update function

Signed-off-by: Johnny Richard <johnny@johnnyrichard.com>

4 files changed, 53 insertions, 38 deletions

diff --git a/Makefile b/Makefile
index 68d2425..6c615f3 100644
--- a/Makefile
+++ b/Makefile
@@ -3,7 +3,8 @@ SOURCE_DIR  ?= ./src
 BUILD_DIR   ?= ./build
 
 CFLAGS := -Wall
-OBJS   := $(BUILD_DIR)/main.o
+OBJS   := $(BUILD_DIR)/main.o \
+	        $(BUILD_DIR)/controller.o
 
 ifeq ($(OS),Windows_NT)
 	CC := gcc
diff --git a/src/controller.c b/src/controller.c
new file mode 100644
index 0000000..5fb1e0b
--- /dev/null
+++ b/src/controller.c
@@ -0,0 +1,46 @@
+#include <SDL.h>
+#include "controller.h"
+
+
+void 
+controller_update(controller_t *self, 
+                  SDL_Event    *event)
+{
+  if (event->type == SDL_KEYDOWN) {
+    switch (event->key.keysym.sym) {
+      case SDLK_UP:
+        self->up = true;
+        break;
+      case SDLK_DOWN:
+        self->down = true;
+        break;
+      case SDLK_LEFT:
+        self->left = true;
+        break;
+      case SDLK_RIGHT:
+        self->right = true;
+        break;
+    }
+  }
+
+  if (event->type == SDL_KEYUP) {
+    switch (event->key.keysym.sym) {
+      case SDLK_UP:
+        self->up = false;
+        break;
+
+      case SDLK_DOWN:
+        self->down = false;
+        break;
+
+      case SDLK_LEFT:
+        self->left = false;
+        break;
+
+      case SDLK_RIGHT:
+        self->right = false;
+        break;
+    }
+  }
+}
+
diff --git a/src/controller.h b/src/controller.h
index bf22335..a97fc7a 100644
--- a/src/controller.h
+++ b/src/controller.h
@@ -1,6 +1,7 @@
 #ifndef CONTROLLER_H
 #define CONTROLLER_H
 
+#include <SDL.h>
 #include <stdbool.h>
 
 #ifdef __cplusplus
@@ -14,6 +15,9 @@ typedef struct controller_t {
   bool right;
 } controller_t;
 
+void controller_update(controller_t *self,
+                       SDL_Event    *event);
+
 #ifdef __cplusplus
 }
 #endif
diff --git a/src/main.c b/src/main.c
index 4f685b2..19c4acf 100644
--- a/src/main.c
+++ b/src/main.c
@@ -47,43 +47,7 @@ main (int   argc,
       if (event.type == SDL_QUIT) {
         quit = true;
       }
-      
-      if (event.type == SDL_KEYDOWN) {
-        switch (event.key.keysym.sym) {
-          case SDLK_UP:
-          controller.up = true;
-          break;
-          case SDLK_DOWN:
-          controller.down = true;
-          break;
-          case SDLK_LEFT:
-          controller.left = true;
-          break;
-          case SDLK_RIGHT:
-          controller.right = true;
-          break;
-        }
-      }
-
-      if (event.type == SDL_KEYUP) {
-        switch (event.key.keysym.sym) {
-          case SDLK_UP:
-          controller.up = false;
-          break;
-
-          case SDLK_DOWN:
-          controller.down = false;
-          break;
-
-          case SDLK_LEFT:
-          controller.left = false;
-          break;
-
-          case SDLK_RIGHT:
-          controller.right = false;
-          break;
-        }
-      }
+      controller_update(&controller, &event);
     }
 
     if (controller.up)    rect.y -= 1;