From 0420a9a852a396394b75fb8ce15c420941ecaae3 Mon Sep 17 00:00:00 2001
From: Yuval Dolev <yuvaldolev2@gmail.com>
Date: Thu, 2 Jan 2020 02:21:33 +0200
Subject: [PATCH] Implemented resizing (seems to be really slow for some
 reason...) and basic input (actually we're not receiving user input yet, but
 the we're sending the app an empty input struct with only a few parameters
 being updated like if it's the first step.).

---
 platform_mac/mac_4ed.mm | 51 +++++++++++++++++++++++++++++++++++------
 1 file changed, 44 insertions(+), 7 deletions(-)

diff --git a/platform_mac/mac_4ed.mm b/platform_mac/mac_4ed.mm
index 3886cdcd..85e988d6 100644
--- a/platform_mac/mac_4ed.mm
+++ b/platform_mac/mac_4ed.mm
@@ -1,5 +1,8 @@
 /* Mac Objective-C layer for 4coder */
 
+#define FPS 60
+#define frame_useconds (1000000 / FPS)
+
 #include "4coder_base_types.h"
 #include "4coder_version.h"
 #include "4coder_events.h"
@@ -164,11 +167,9 @@ struct Mac_Vars {
     Arena *frame_arena;
     Mac_Input_Chunk input_chunk;
     
-    void *base_ptr;
-    u64 timer_start;
-    
     b8 full_screen;
     b8 do_toggle;
+    b32 send_exit_signal;
     
     i32 cursor_show;
     i32 prev_cursor_show;
@@ -182,6 +183,9 @@ struct Mac_Vars {
     f32 screen_scale_factor;
     
     mach_timebase_info_data_t timebase_info;
+    b32 first;
+    void *base_ptr;
+    u64 timer_start;
     
     Node free_mac_objects;
     Node timer_objects;
@@ -302,6 +306,8 @@ mac_resize(float width, float height){
         target.width = width;
         target.height = height;
     }
+    
+    system_signal_step(0);
 }
 
 ////////////////////////////////
@@ -352,15 +358,42 @@ mac_resize(float width, float height){
     [super reshape];
     
     NSRect bounds = [self bounds];
-    // mac_resize(rect.size.width, rect.size.height);
+    mac_resize(bounds.size.width, bounds.size.height);
 }
 
 - (void)drawRect:(NSRect)bounds{
     // NOTE(yuval): Read comment in win32_4ed.cpp's main loop
     system_mutex_release(mac_vars.global_frame_mutex);
     
+    // NOTE(yuval): Prepare the Frame Input
+    Mac_Input_Chunk input_chunk = mac_vars.input_chunk;
     Application_Step_Input input = {};
     
+    input.first_step = mac_vars.first;
+    input.dt = frame_useconds / 1000000.0f;
+    input.events = input_chunk.trans.event_list;
+    
+    input.mouse.out_of_window = input_chunk.trans.out_of_window;
+    
+    input.mouse.l = input_chunk.pers.mouse_l;
+    input.mouse.press_l = input_chunk.trans.mouse_l_press;
+    input.mouse.release_l = input_chunk.trans.mouse_l_release;
+    
+    input.mouse.r = input_chunk.pers.mouse_r;
+    input.mouse.press_r = input_chunk.trans.mouse_r_press;
+    input.mouse.release_r = input_chunk.trans.mouse_r_release;
+    
+    input.mouse.wheel = input_chunk.trans.mouse_wheel;
+    input.mouse.p = input_chunk.pers.mouse;
+    
+    input.trying_to_kill = input_chunk.trans.trying_to_kill;
+    
+    // NOTE(yuval): See comment in win32_4ed.cpp's main loop
+    if (mac_vars.send_exit_signal){
+        input.trying_to_kill = true;
+        mac_vars.send_exit_signal = false;
+    }
+    
     // NOTE(yuval): Application Core Update
     Application_Step_Result result = {};
     if (app.step != 0){
@@ -373,10 +406,12 @@ mac_resize(float width, float height){
     [[self openGLContext] flushBuffer];
     CGLUnlockContext([[self openGLContext] CGLContextObj]);
     
+    mac_vars.first = false;
 }
 
 - (BOOL)windowShouldClose:(NSWindow*)sender{
     // osx_try_to_close();
+    printf("Window Closing!\n");
     return(NO);
 }
 
@@ -419,8 +454,8 @@ mac_resize(float width, float height){
         NSOpenGLPFAColorSize, 32,
         NSOpenGLPFAAlphaSize, 8,
         NSOpenGLPFADepthSize, 24,
-        // NSOpenGLPFASampleBuffers, 1,
-        // NSOpenGLPFASamples, 16,
+        NSOpenGLPFASampleBuffers, 1,
+        NSOpenGLPFASamples, 16,
         0
     };
     
@@ -638,7 +673,7 @@ main(int arg_count, char **args){
         [mac_vars.window setMinSize:NSMakeSize(100, 100)];
         [mac_vars.window setBackgroundColor:NSColor.blackColor];
         [mac_vars.window setDelegate:app_delegate];
-        [mac_vars.window setTitle:@"4coder"];
+        [mac_vars.window setTitle:@WINDOW_NAME];
         [mac_vars.window setAcceptsMouseMovedEvents:YES];
         
         // NOTE(yuval): Create OpenGLView
@@ -676,6 +711,8 @@ main(int arg_count, char **args){
         // Main loop
         //
         
+        mac_vars.first = true;
+        
         mac_vars.global_frame_mutex = system_mutex_make();
         system_mutex_acquire(mac_vars.global_frame_mutex);