a

1 files changed, 74 insertions, 0 deletions

diff --git a/src/util/input.cpp b/src/util/input.cpp
new file mode 100644
index 0000000..4a786aa
--- /dev/null
+++ b/src/util/input.cpp
@@ -0,0 +1,74 @@
+#include "input.h"
+#include "SDL_events.h"
+
+INPUT_DATA input;
+
+void input_on_event( SDL_Event* e ) {
+  input.on_input.each( fn( ON_INPUT_FN* func ) { (*func)( e ); } );
+
+  switch( e->type ) {
+    case SDL_MOUSEBUTTONDOWN: {
+      switch( e->button.button ) {
+        case 1: input.mouse.left = 1; break;
+        case 2: input.mouse.middle = 1; break;
+        case 3: input.mouse.right = 1; break;
+      }
+    } break;
+    case SDL_MOUSEBUTTONUP: {
+      switch( e->button.button ) {
+        case 1: input.mouse.left = 0; break;
+        case 2: input.mouse.middle = 0; break;
+        case 3: input.mouse.right = 0; break;
+      }
+    } break;
+    case SDL_MOUSEWHEEL: {
+      input.mouse.wheel = e->wheel.y;
+    } break;
+    case SDL_MOUSEMOTION: {
+      input.mouse.pos.x = (F32)e->motion.x;
+      input.mouse.pos.y = (F32)e->motion.y;
+    } break;
+    case SDL_KEYDOWN: {
+      input.keys[e->key.keysym.sym & 0xff] = 1;
+    } break;
+    case SDL_KEYUP: {
+      input.keys[e->key.keysym.sym & 0xff] = 0;
+    } break;
+  }
+}
+
+
+void input_on_mouse( I32 type, I32 x, I32 y ) {
+  if( type == MOUSEEV_MOVE ) {
+    input.mouse.pos.x = (F32)x;
+    input.mouse.pos.y = (F32)y;
+  }
+
+  if( type == MOUSEEV_DOWN ) {
+    I32 button = x;
+    if( button == MOUSE_LEFT )
+      input.mouse.left = 1;
+    if( button == MOUSE_RIGHT )
+      input.mouse.right = 1;
+    if( button == MOUSE_MIDDLE )
+      input.mouse.middle = 1;
+    if( button == MOUSE_WHEEL )
+      input.mouse.wheel = -1;
+  }
+
+  if( type == MOUSEEV_UP ) {
+    I32 button = x;
+    if( button == MOUSE_LEFT )
+      input.mouse.left = 0;
+    if( button == MOUSE_RIGHT )
+      input.mouse.right = 0;
+    if( button == MOUSE_MIDDLE )
+      input.mouse.middle = 0;
+    if( button == MOUSE_WHEEL )
+      input.mouse.wheel = 1;
+  }
+}
+
+void input_frame_end() {
+  input.mouse.wheel = 0;
+}