517 lines
13 KiB
Plaintext
517 lines
13 KiB
Plaintext
/* Mac Objective-C layer for 4coder */
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#include "4coder_base_types.h"
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#include "4coder_version.h"
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#include "4coder_events.h"
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#include "4coder_table.h"
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// NOTE(allen): This is a very unfortunate hack, but hopefully there will never be a need to use the Marker
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// type in the platform layer. If that changes then instead change the name of Marker and make a transition
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// macro that is only included in custom code.
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#define Marker Marker__SAVE_THIS_IDENTIFIER
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#include "4coder_types.h"
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#undef Marker
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#include "4coder_default_colors.h"
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#include "4coder_system_types.h"
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#define STATIC_LINK_API
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#include "generated/system_api.h"
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#include "4ed_font_interface.h"
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#define STATIC_LINK_API
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#include "generated/graphics_api.h"
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#define STATIC_LINK_API
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#include "generated/font_api.h"
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#include "4ed_font_set.h"
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#include "4ed_render_target.h"
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#include "4ed_search_list.h"
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#include "4ed.h"
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#include "generated/system_api.cpp"
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#include "generated/graphics_api.cpp"
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#include "generated/font_api.cpp"
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#include "4coder_base_types.cpp"
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#include "4coder_stringf.cpp"
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#include "4coder_events.cpp"
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#include "4coder_hash_functions.cpp"
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#include "4coder_table.cpp"
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#include "4coder_log.cpp"
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#include "4ed_search_list.cpp"
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#include "mac_objective_c_to_cpp_links.h"
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#undef function
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#undef internal
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#undef global
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#undef external
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#import <Cocoa/Cocoa.h>
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#include <libproc.h> // NOTE(yuval): Used for proc_pidpath
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#include <mach/mach_time.h> // NOTE(yuval): Used for mach_absolute_time, mach_timebase_info, mach_timebase_info_data_t
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#include <dirent.h> // NOTE(yuval): Used for opendir, readdir
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#include <dlfcn.h> // NOTE(yuval): Used for dlopen, dlclose, dlsym
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#include <errno.h> // NOTE(yuval): Used for errno
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#include <fcntl.h> // NOTE(yuval): Used for open
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#include <pthread.h> // NOTE(yuval): Used for threads, mutexes, cvs
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#include <unistd.h> // NOTE(yuval): Used for getcwd, read, write, getpid
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#include <sys/mman.h> // NOTE(yuval): Used for mmap, munmap, mprotect
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#include <sys/stat.h> // NOTE(yuval): Used for stat
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#include <sys/types.h> // NOTE(yuval): Used for struct stat, pid_t
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#include <stdlib.h> // NOTE(yuval): Used for free
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#define function static
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#define internal static
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#define global static
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#define external extern "C"
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struct Control_Keys{
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b8 l_ctrl;
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b8 r_ctrl;
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b8 l_alt;
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b8 r_alt;
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};
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struct Mac_Input_Chunk_Transient{
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Input_List event_list;
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b8 mouse_l_press;
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b8 mouse_l_release;
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b8 mouse_r_press;
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b8 mouse_r_release;
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b8 out_of_window;
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i8 mouse_wheel;
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b8 trying_to_kill;
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};
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struct Mac_Input_Chunk_Persistent{
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Vec2_i32 mouse;
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Control_Keys controls;
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Input_Modifier_Set_Fixed modifiers;
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b8 mouse_l;
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b8 mouse_r;
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};
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struct Mac_Input_Chunk{
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Mac_Input_Chunk_Transient trans;
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Mac_Input_Chunk_Persistent pers;
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};
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////////////////////////////////
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#define SLASH '/'
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#define DLL "so"
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#include "4coder_hash_functions.cpp"
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#include "4coder_system_allocator.cpp"
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#include "4coder_malloc_allocator.cpp"
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#include "4coder_codepoint_map.cpp"
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#include "4ed_mem.cpp"
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#include "4ed_font_set.cpp"
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////////////////////////////////
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@interface AppDelegate : NSObject<NSApplicationDelegate, NSWindowDelegate>
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@end
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@interface OpenGLView : NSOpenGLView
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- (void)init_opengl;
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- (void)requestDisplay;
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@end
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////////////////////////////////
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////////////////////////////////
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typedef i32 Mac_Object_Kind;
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enum{
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MacObjectKind_ERROR = 0,
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MacObjectKind_Timer = 1,
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MacObjectKind_Thread = 2,
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MacObjectKind_Mutex = 3,
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MacObjectKind_CV = 4,
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};
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struct Mac_Object{
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Node node;
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Mac_Object_Kind kind;
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union{
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NSTimer* timer;
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struct{
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pthread_t thread;
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Thread_Function *proc;
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void *ptr;
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} thread;
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pthread_mutex_t mutex;
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pthread_cond_t cv;
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};
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};
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struct Mac_Vars {
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b32 gl_is_initialized;
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Thread_Context *tctx;
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Arena* frame_arena;
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Mac_Input_Chunk input_chunk;
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b8 full_screen;
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b8 do_toggle;
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i32 cursor_show;
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i32 prev_cursor_show;
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String_Const_u8 binary_path;
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NSWindow* window;
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OpenGLView* view;
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f32 screen_scale_factor;
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mach_timebase_info_data_t timebase_info;
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Node free_mac_objects;
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Node timer_objects;
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pthread_mutex_t thread_launch_mutex;
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pthread_cond_t thread_launch_cv;
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b32 waiting_for_launch;
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System_Mutex global_frame_mutex;
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};
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////////////////////////////////
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global Mac_Vars mac_vars;
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global Render_Target target;
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////////////////////////////////
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function Mac_Object*
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mac_alloc_object(Mac_Object_Kind kind){
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Mac_Object *result = 0;
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if (mac_vars.free_mac_objects.next != &mac_vars.free_mac_objects){
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result = CastFromMember(Mac_Object, node, mac_vars.free_mac_objects.next);
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}
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if (!result){
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i32 count = 512;
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Mac_Object *objects = (Mac_Object*)system_memory_allocate(count * sizeof(Mac_Object), file_name_line_number_lit_u8);
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// NOTE(yuval): Link the first node of the dll to the sentinel
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objects[0].node.prev = &mac_vars.free_mac_objects;
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mac_vars.free_mac_objects.next = &objects[0].node;
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// NOTE(yuval): Link all dll nodes to each other
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for (i32 chain_index = 1; chain_index < count; chain_index += 1){
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objects[chain_index - 1].node.next = &objects[chain_index].node;
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objects[chain_index].node.prev = &objects[chain_index - 1].node;
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}
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// NOTE(yuval): Link the last node of the dll to the sentinel
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objects[count - 1].node.next = &mac_vars.free_mac_objects;
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mac_vars.free_mac_objects.prev = &objects[count - 1].node;
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result = CastFromMember(Mac_Object, node, mac_vars.free_mac_objects.next);
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}
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Assert(result);
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dll_remove(&result->node);
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block_zero_struct(result);
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result->kind = kind;
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return(result);
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}
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function void
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mac_free_object(Mac_Object *object){
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if (object->node.next != 0){
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dll_remove(&object->node);
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}
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dll_insert(&mac_vars.free_mac_objects, &object->node);
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}
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function inline Plat_Handle
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mac_to_plat_handle(Mac_Object *object){
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Plat_Handle result = *(Plat_Handle*)(&object);
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return(result);
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}
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function inline Mac_Object*
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mac_to_object(Plat_Handle handle){
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Mac_Object *result = *(Mac_Object**)(&handle);
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return(result);
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}
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////////////////////////////////
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#import "mac_4ed_functions.mm"
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////////////////////////////////
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@implementation AppDelegate
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- (void)applicationDidFinishLaunching:(id)sender{
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}
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- (BOOL)applicationShouldTerminateAfterLastWindowClosed:(NSApplication*)sender{
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return YES;
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}
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- (void)applicationWillTerminate:(NSNotification*)notification{
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}
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@end
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@implementation OpenGLView
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- (id)init{
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self = [super init];
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if (self == nil){
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return nil;
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}
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[self init_opengl];
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return self;
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}
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- (void)dealloc
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{
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[super dealloc];
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}
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- (void)prepareOpenGL
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{
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[super prepareOpenGL];
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[[self openGLContext] makeCurrentContext];
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// NOTE(yuval): Setup vsync
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GLint swapInt = 1;
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[[self openGLContext] setValues:&swapInt forParameter:NSOpenGLCPSwapInterval];
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}
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- (void)awakeFromNib
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{
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[self init_gl];
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}
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- (void)reshape{
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[super reshape];
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NSRect bounds = [self bounds];
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// [global_opengl_context makeCurrentContext];
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// [global_opengl_context update];
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// glViewport(0, 0, (GLsizei)bounds.size.width,
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// (GLsizei)bounds.size.height);
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}
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- (void)drawRect:(NSRect)bounds{
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// [self getFrame];
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printf("Draw Rect!\n");
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}
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- (BOOL)acceptsFirstResponder{
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return YES;
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}
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- (BOOL)becomeFirstResponder{
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return YES;
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}
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- (BOOL)resignFirstResponder{
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return YES;
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}
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- (void)keyDown:(NSEvent *)event{
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printf("Key Down!\n");
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[self requestDisplay];
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}
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/*
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- (void)mouseMoved:(NSEvent*)event{
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printf("Mouse Moved!\n");
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[self requestDisplay];
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}
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*/
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- (void)mouseDown:(NSEvent*)event{
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printf("Mouse Down!\n");
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[self requestDisplay];
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}
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- (void)init_opengl{
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if (mac_vars.gl_is_initialized){
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return;
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}
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[self setAutoresizingMask:NSViewWidthSizable | NSViewHeightSizable];
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// NOTE(yuval): Setup OpenGL
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NSOpenGLPixelFormatAttribute opengl_attrs[] = {
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NSOpenGLPFAOpenGLProfile, NSOpenGLProfileVersion3_2Core,
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NSOpenGLPFAAccelerated,
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NSOpenGLPFADoubleBuffer,
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NSOpenGLPFAColorSize, 32,
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NSOpenGLPFAAlphaSize, 8,
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NSOpenGLPFADepthSize, 24,
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// NSOpenGLPFASampleBuffers, 1,
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// NSOpenGLPFASamples, 16,
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0
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};
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NSOpenGLPixelFormat *pixel_format = [[NSOpenGLPixelFormat alloc] initWithAttributes:opengl_attrs];
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if (pixel_format == nil){
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fprintf(stderr, "Error creating OpenGLPixelFormat\n");
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exit(1);
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}
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NSOpenGLContext *context = [[NSOpenGLContext alloc] initWithFormat:format shareContext:nil];
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[self setPixelFormat:format];
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[self setOpenGLContext:context];
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[context makeCurrentContext];
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[pixel_format release];
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mac_vars.gl_is_initialized = true;
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}
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- (void)requestDisplay{
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printf("Display Requested\n");
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[self setNeedsDisplayInRect:[mac_vars.window frame]];
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}
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@end
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////////////////////////////////
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int
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main(int arg_count, char **args){
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block_zero_struct(&mac_vars);
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mac_vars.gl_is_initialized = false;
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@autoreleasepool{
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// NOTE(yuval): Create NSApplication & Delegate
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NSApplication *app = [NSApplication sharedApplication];
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[NSApp setActivationPolicy:NSApplicationActivationPolicyRegular];
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AppDelegate *app_delegate = [[AppDelegate alloc] init];
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[app setDelegate:app_delegate];
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// NOTE(yuval): Create NSWindow
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float w = 1280.0f;
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float h = 720.0f;
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NSRect screen_rect = [[NSScreen mainScreen] frame];
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NSRect initial_frame = NSMakeRect((screen_rect.size.width - w) * 0.5f, (screen_rect.size.height - h) * 0.5f, w, h);
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u32 style_mask = NSWindowStyleMaskTitled | NSWindowStyleMaskClosable | NSWindowStyleMaskMiniaturizable | NSWindowStyleMaskResizable;
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mac_vars.window = [[NSWindow alloc] initWithContentRect:initial_frame
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styleMask:style_mask
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backing:NSBackingStoreBuffered
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defer:NO];
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[mac_vars.window setBackgroundColor:NSColor.blackColor];
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[mac_vars.window setDelegate:app_delegate];
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[mac_vars.window setTitle:@"4coder"];
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[mac_vars.window setAcceptsMouseMovedEvents:YES];
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// NOTE(yuval): Create OpenGLView
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NSView* content_view = [mac_vars.window contentView];
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// TODO(yuval): Finish view setup!
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mac_vars.view = [[OpenGLView alloc] init];
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[mac_vars.view setFrame:[content_view bounds]];
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[mac_vars.view setAutoresizingMask:NSViewWidthSizable | NSViewHeightSizable];
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[content_view addSubview:mac_vars.view];
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[mac_vars.window makeKeyAndOrderFront:nil];
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dll_init_sentinel(&mac_vars.free_mac_objects);
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dll_init_sentinel(&mac_vars.timer_objects);
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// NOTE(yuval): Screen scale factor calculation
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{
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NSScreen* screen = [NSScreen mainScreen];
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NSDictionary* desc = [screen deviceDescription];
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NSSize size = [[desc valueForKey:NSDeviceResolution] sizeValue];
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f32 max_dpi = Max(size.width, size.height);
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mac_vars.screen_scale_factor = (max_dpi / 72.0f);
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}
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printf("screen scale factor: %f\n", system_get_screen_scale_factor());
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// NOTE(yuval): Start the app's run loop
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#if 1
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printf("Running using NSApp run\n");
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[NSApp run];
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#else
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printf("Running using manual event loop\n");
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for (;;) {
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u64 count = 0;
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NSEvent* event;
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do {
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event = [NSApp nextEventMatchingMask:NSEventMaskAny
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untilDate:[NSDate distantFuture]
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inMode:NSDefaultRunLoopMode
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dequeue:YES];
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[NSApp sendEvent:event];
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} while (event != nil);
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}
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#endif
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#if 0
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// NOTE(yuval): Context Setup
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Thread_Context _tctx = {};
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thread_ctx_init(&_tctx, ThreadKind_Main,
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get_base_allocator_system(),
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get_base_allocator_system());
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mac_vars.tctx = &_tctx;
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API_VTable_system system_vtable = {};
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system_api_fill_vtable(&system_vtable);
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API_VTable_graphics graphics_vtable = {};
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graphics_api_fill_vtable(&graphics_vtable);
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API_VTable_font font_vtable = {};
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font_api_fill_vtable(&font_vtable);
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// NOTE(yuval): Memory
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mac_vars.frame_arena = reserve_arena(mac_vars.tctx);
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target.arena = make_arena_system(KB(256));
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mac_vars.cursor_show = MouseCursorShow_Always;
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mac_vars.prev_cursor_show = MouseCursorShow_Always;
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dll_init_sentinel(&mac_vars.free_mac_objects);
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dll_init_sentinel(&mac_vars.timer_objects);
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// NOTE(yuval): Get the timebase info
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mach_timebase_info(&mac_vars.timebase_info);
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#endif
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#if 0
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// NOTE(yuval): Application Core Update
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Application_Step_Result result = {};
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if (app.step != 0){
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result = app.step(mac_vars.tctx, &target, base_ptr, &input);
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}
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#endif
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}
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} |