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Day 7 complete

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This commit is contained in:
Edward R. Gonzalez
2023-09-10 10:40:22 -04:00
parent 7ddbc13bc5
commit d4f04c33b3
7 changed files with 138 additions and 18 deletions
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127
project/handmade_win32.cpp
View File

@@ -12,23 +12,34 @@
#include "macros.h"
#include "types.h"
#include <stdio.h>
// #include <stdio.h>
#include "win32.h"
// Using this to get dualsense controllers
#include "JoyShockLibrary/JoyShockLibrary.h"
// TOOD(Ed): Redo these macros properly later.
#define congrats( message ) do { \
JslSetLightColour( 0, (255 << 16) | (215 << 8) ); \
JslSetRumble( 0, 0, 255 ); \
MessageBoxA( 0, message, "Congratulations!", MB_OK | MB_ICONEXCLAMATION ); \
JslSetLightColour( 0, (255 << 8 ) ); \
} while (0)
#define ensure( condition, message ) ensure_impl( condition, message )
inline bool
ensure_impl( bool condition, char const* message ) {
if ( ! condition ) {
JslSetLightColour( 0, (255 << 16) );
MessageBoxA( 0, message, "Ensure Failure", MB_OK | MB_ICONASTERISK );
JslSetLightColour( 0, ( 255 << 8 ) );
}
return condition;
}
#define fatal(message) do { \
JslSetLightColour( 0, (255 << 16) ); \
JslSetRumble( 0, 0, 255 ); \
MessageBoxA( 0, message, "Fatal Error", MB_OK | MB_ICONERROR ); \
JslSetLightColour( 0, (255 << 8 ) ); \
} while (0)
@@ -59,7 +70,100 @@ struct WinDimensions
global OffscreenBuffer BackBuffer;
global WinDimensions WindowDimensions;
WinDimensions get_window_dimensions( HWND window_handle )
HRESULT WINAPI
DirectSoundCreate(LPGUID lpGuid, LPDIRECTSOUND* ppDS, LPUNKNOWN pUnkOuter );
using DirectSoundCreateFn = HRESULT WINAPI (LPGUID lpGuid, LPDIRECTSOUND* ppDS, LPUNKNOWN pUnkOuter );
global DirectSoundCreateFn* direct_sound_create;
internal void
init_sound(HWND window_handle, s32 samples_per_second, s32 buffer_size )
{
// Load library
HMODULE sound_library = LoadLibraryA( "dsound.dll" );
if ( ! ensure(sound_library, "Failed to load direct sound library" ) )
{
// TOOD : Diagnostic
return;
}
// Get direct sound object
direct_sound_create = rcast( DirectSoundCreateFn*, GetProcAddress( sound_library, "DirectSoundCreate" ));
if ( ! ensure(direct_sound_create, "Failed to get direct_sound_create_procedure" ) )
{
// TOOD : Diagnostic
return;
}
LPDIRECTSOUND direct_sound;
if ( ! SUCCEEDED(direct_sound_create( 0, & direct_sound, 0 )) )
{
// TODO : Diagnostic
}
if ( ! SUCCEEDED( direct_sound->SetCooperativeLevel(window_handle, DSSCL_PRIORITY) ) )
{
// TODO : Diagnostic
}
WAVEFORMATEX
wave_format {};
wave_format.wFormatTag = WAVE_FORMAT_PCM; /* format type */
wave_format.nChannels = 2; /* number of channels (i.e. mono, stereo...) */
wave_format.nSamplesPerSec = samples_per_second; /* sample rate */
wave_format.wBitsPerSample = 16; /* number of bits per sample of mono data */
wave_format.nBlockAlign = wave_format.nChannels * wave_format.wBitsPerSample / 8 ; /* block size of data */
wave_format.nAvgBytesPerSec = wave_format.nSamplesPerSec * wave_format.nBlockAlign; /* for buffer estimation */
wave_format.cbSize = 0; /* the count in bytes of the size of */
LPDIRECTSOUNDBUFFER primary_buffer;
{
DSBUFFERDESC
buffer_description { sizeof(buffer_description) };
buffer_description.dwFlags = DSBCAPS_PRIMARYBUFFER;
buffer_description.dwBufferBytes = 0;
if ( ! SUCCEEDED( direct_sound->CreateSoundBuffer( & buffer_description, & primary_buffer, 0 ) ))
{
// TODO : Diagnostic
}
if ( ! SUCCEEDED( primary_buffer->SetFormat( & wave_format ) ) )
{
// TODO : Diagnostic
}
// Format is finally set!
}
LPDIRECTSOUNDBUFFER secondary_buffer;
{
DSBUFFERDESC
buffer_description { sizeof(buffer_description) };
buffer_description.dwFlags = 0;
buffer_description.dwBufferBytes = buffer_size;
buffer_description.lpwfxFormat = & wave_format;
if ( ! SUCCEEDED( direct_sound->CreateSoundBuffer( & buffer_description, & secondary_buffer, 0 ) ))
{
// TODO : Diagnostic
}
if ( ! SUCCEEDED( secondary_buffer->SetFormat( & wave_format ) ) )
{
// TODO : Diagnostic
}
}
// Create primary buffer
// Create secondary buffer
// Start playing
}
internal WinDimensions
get_window_dimensions( HWND window_handle )
{
RECT client_rect;
GetClientRect( window_handle, & client_rect );
@@ -148,7 +252,7 @@ resize_dib_section( OffscreenBuffer* buffer, u32 width, u32 height )
// We want to "touch" a pixel on every 4-byte boundary
u32 BitmapMemorySize = (buffer->Width * buffer->Height) * buffer->BytesPerPixel;
buffer->Memory = VirtualAlloc( NULL, BitmapMemorySize, MEM_Commit_Zeroed, Page_Read_Write );
buffer->Memory = VirtualAlloc( NULL, BitmapMemorySize, MEM_Commit_Zeroed | MEM_Reserve, Page_Read_Write );
// TODO(Ed) : Clear to black
}
@@ -208,8 +312,9 @@ main_window_callback(
case WM_KEYUP:
{
u32 vk_code = w_param;
bool is_down = (l_param >> 31) == 0;
bool was_down = (l_param >> 30) != 0;
b32 is_down = (l_param >> 31) == 0;
b32 was_down = (l_param >> 30);
b32 alt_down = (l_param & (1 << 29));
switch ( vk_code )
{
@@ -273,6 +378,12 @@ main_window_callback(
OutputDebugStringA( "Space\n" );
}
break;
case VK_F4:
{
if ( alt_down )
Running = false;
}
break;
}
}
break;
@@ -377,6 +488,8 @@ WinMain(
WinDimensions dimensions = get_window_dimensions( window_handle );
resize_dib_section( &BackBuffer, 1280, 720 );
init_sound( window_handle, 48000, 48000 * sizeof(s16) * 2 );
MSG msg_info;
u32 x_offset = 0;

6
project/platform/win32.h
View File

@@ -5,6 +5,8 @@ Alternative header for windows.h
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#include <xinput.h>
#include <mmeapi.h>
#include <dsound.h>
// #include "windows/windows_base.h"
// #include "windows/window.h"
@@ -115,12 +117,12 @@ WIN_LIB_API DWORD WINAPI XInputSetState
DWORD WINAPI xinput_get_state_stub( DWORD dwUserIndex, XINPUT_STATE* pVibration ) {
OutputDebugStringA( "xinput_get_state stubbed!\n");
return ERROR_CALL_NOT_IMPLEMENTED;
return ERROR_DEVICE_NOT_CONNECTED;
}
DWORD WINAPI xinput_set_state_stub( DWORD dwUserIndex, XINPUT_VIBRATION* pVibration ) {
OutputDebugStringA( "xinput_set_state stubbed!\n");
return ERROR_CALL_NOT_IMPLEMENTED;
return ERROR_DEVICE_NOT_CONNECTED;
}
using XInputGetStateFn = DWORD WINAPI( DWORD dwUserIndex, XINPUT_STATE* pVibration );