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Day 8 complete.

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This commit is contained in:
Edward R. Gonzalez 2023-09-10 14:14:47 -04:00
parent d4f04c33b3
commit d87eb51698
3 changed files with 305 additions and 191 deletions
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4
.vscode/settings.json vendored
View File

@ -31,7 +31,9 @@
"xhash": "cpp",
"shared_mutex": "cpp",
"mutex": "cpp",
"system_error": "cpp"
"system_error": "cpp",
"ios": "cpp",
"xiosbase": "cpp"
},
"C_Cpp.intelliSenseEngineFallback": "disabled",
"C_Cpp.errorSquiggles": "enabled",

217
project/handmade_win32.cpp
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@ -70,11 +70,13 @@ struct WinDimensions
global OffscreenBuffer BackBuffer;
global WinDimensions WindowDimensions;
global LPDIRECTSOUNDBUFFER DS_SecondaryBuffer;
global s32 DS_SecondaryBufferSize;
HRESULT WINAPI
DirectSoundCreate(LPGUID lpGuid, LPDIRECTSOUND* ppDS, LPUNKNOWN pUnkOuter );
using DirectSoundCreateFn = HRESULT WINAPI (LPGUID lpGuid, LPDIRECTSOUND* ppDS, LPUNKNOWN pUnkOuter );
global DirectSoundCreateFn* direct_sound_create;
@ -91,7 +93,7 @@ init_sound(HWND window_handle, s32 samples_per_second, s32 buffer_size )
// 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" ) )
if ( ! ensure( direct_sound_create, "Failed to get direct_sound_create_procedure" ) )
{
// TOOD : Diagnostic
return;
@ -102,7 +104,6 @@ init_sound(HWND window_handle, s32 samples_per_second, s32 buffer_size )
{
// TODO : Diagnostic
}
if ( ! SUCCEEDED( direct_sound->SetCooperativeLevel(window_handle, DSSCL_PRIORITY) ) )
{
// TODO : Diagnostic
@ -133,33 +134,22 @@ init_sound(HWND window_handle, s32 samples_per_second, s32 buffer_size )
{
// 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 ) ))
if ( ! SUCCEEDED( direct_sound->CreateSoundBuffer( & buffer_description, & DS_SecondaryBuffer, 0 ) ))
{
// TODO : Diagnostic
}
if ( ! SUCCEEDED( secondary_buffer->SetFormat( & wave_format ) ) )
if ( ! SUCCEEDED( DS_SecondaryBuffer->SetFormat( & wave_format ) ) )
{
// TODO : Diagnostic
}
}
// Create primary buffer
// Create secondary buffer
// Start playing
}
internal WinDimensions
@ -448,15 +438,13 @@ WinMain(
for ( u32 jsl_device_index = 0; jsl_device_index < jsl_num_devices; ++ jsl_device_index )
{
JslSetLightColour( device_handles[ jsl_device_index ], (255 << 8) );
do_once_start
congrats( "GOT THE CONTROLLER BOIS" );
do_once_end
}
}
// MessageBox( 0, L"First message!", L"Handmade Hero", MB_Ok_Btn | MB_Icon_Information );
WNDCLASS window_class {};
WNDCLASS
window_class {};
window_class.style = CS_Horizontal_Redraw | CS_Vertical_Redraw;
window_class.lpfnWndProc = main_window_callback;
// window_class.cbClsExtra = ;
@ -468,67 +456,96 @@ WinMain(
window_class.lpszMenuName = L"Handmade Hero!";
window_class.lpszClassName = L"HandmadeHeroWindowClass";
if ( RegisterClassW( & window_class ) )
if ( ! RegisterClassW( & window_class ) )
{
// TODO : Diagnostic Logging
return 0;
}
HWND window_handle = CreateWindowExW(
0,
window_class.lpszClassName,
L"Handmade Hero",
WS_Overlapped_Window | WS_Initially_Visible,
CW_USEDEFAULT, CW_USEDEFAULT, // x, y
CW_USEDEFAULT, CW_USEDEFAULT, // width, height
CW_Use_Default, CW_Use_Default, // x, y
CW_Use_Default, CW_Use_Default, // width, height
0, 0, // parent, menu
instance, 0 // instance, param
);
if ( window_handle )
if ( ! window_handle )
{
// TODO : Diagnostic Logging
return 0;
}
Running = true;
WinDimensions dimensions = get_window_dimensions( window_handle );
resize_dib_section( &BackBuffer, 1280, 720 );
init_sound( window_handle, 48000, 48000 * sizeof(s16) * 2 );
s32 ds_samples = 48000;
s32 ds_samples_per_second = ds_samples * sizeof(s16) * 2;
s32 ds_bytes_per_sample = sizeof(s16) * 2;
DS_SecondaryBufferSize = ds_samples_per_second * ds_bytes_per_sample;
MSG msg_info;
init_sound( window_handle, ds_samples, DS_SecondaryBufferSize );
// Graphics & Input Test
u32 x_offset = 0;
u32 y_offset = 0;
// Controller State
bool xinput_detected = false;
// Controller State
u8 dpad_up = false;
u8 dpad_down = false;
u8 dpad_left = false;
u8 dpad_right = false;
u8 start = false;
u8 back = false;
u8 left_shoulder = false;
u8 right_shoulder = false;
u8 btn_a_button = false;
u8 btn_b_button = false;
u8 btn_x_button = false;
u8 btn_y_button = false;
u16 left_stick_x = 0;
u16 left_stick_y = 0;
u16 right_stick_x = 0;
u16 right_stick_y = 0;
u32 dpad_up = false;
u32 dpad_down = false;
u32 dpad_left = false;
u32 dpad_right = false;
u32 start = false;
u32 back = false;
u32 left_shoulder = false;
u32 right_shoulder = false;
u32 btn_a_button = false;
u32 btn_b_button = false;
u32 btn_x_button = false;
u32 btn_y_button = false;
u16 stick_left_x = 0;
u16 stick_left_y = 0;
u16 stick_right_x = 0;
u16 stick_right_y = 0;
// Square Wave - Sound Test
u32 ds_running_sample_index = 0;
s32 square_wave_tone_hz = 262;
s32 square_wave_period = ds_samples_per_second / square_wave_tone_hz;
s32 half_square_wave_period = square_wave_period / 2;
s32 square_wave_tone_volume = 3000;
// TODO : Add sine wave test
// Windows
MSG window_msg_info;
while( Running )
{
if ( PeekMessageW( & msg_info, 0, 0, 0, PM_Remove_Messages_From_Queue ) )
// Window Management
{
if ( msg_info.message == WM_QUIT )
if ( PeekMessageW( & window_msg_info, 0, 0, 0, PM_Remove_Messages_From_Queue ) )
{
if ( window_msg_info.message == WM_QUIT )
{
OutputDebugStringA("WM_QUIT\n");
Running = false;
}
TranslateMessage( & msg_info );
DispatchMessageW( & msg_info );
TranslateMessage( & window_msg_info );
DispatchMessageW( & window_msg_info );
}
}
// Input
{
// XInput Polling
// TODO(Ed) : Should we poll this more frequently?
for ( DWORD controller_index = 0; controller_index < XUSER_MAX_COUNT; ++ controller_index )
@ -552,10 +569,10 @@ WinMain(
btn_x_button = pad->wButtons & XINPUT_GAMEPAD_X;
btn_y_button = pad->wButtons & XINPUT_GAMEPAD_Y;
left_stick_x = pad->sThumbLX;
left_stick_y = pad->sThumbLY;
right_stick_x = pad->sThumbRX;
right_stick_y = pad->sThumbRY;
stick_left_x = pad->sThumbLX;
stick_left_y = pad->sThumbLY;
stick_right_x = pad->sThumbRX;
stick_right_y = pad->sThumbRY;
}
else
{
@ -585,6 +602,11 @@ WinMain(
btn_b_button = state.buttons & JSMASK_E;
btn_x_button = state.buttons & JSMASK_W;
btn_y_button = state.buttons & JSMASK_N;
stick_left_x = state.stickLX;
stick_left_y = state.stickLY;
stick_right_x = state.stickRX;
stick_right_y = state.stickRY;
}
x_offset += dpad_right;
@ -620,7 +642,10 @@ WinMain(
JslSetRumble( 0, 0, 0 );
}
}
}
// Rendering
{
render_weird_graident( &BackBuffer, x_offset, y_offset );
WinDimensions dimensions = get_window_dimensions( window_handle );
@ -629,15 +654,97 @@ WinMain(
, 0, 0
, dimensions.Width, dimensions.Height );
}
// Audio
do {
if ( btn_y_button )
{
square_wave_tone_volume += 10;
}
if ( btn_b_button )
{
square_wave_tone_volume -= 10;
}
DWORD ds_play_cursor;
DWORD ds_write_cursor;
if ( ! SUCCEEDED( DS_SecondaryBuffer->GetCurrentPosition( & ds_play_cursor, & ds_write_cursor ) ))
{
break;
}
DWORD byte_to_lock = ds_running_sample_index * ds_bytes_per_sample % DS_SecondaryBufferSize;
DWORD bytes_to_write;
if ( byte_to_lock == ds_play_cursor )
{
// At play cursor
bytes_to_write = DS_SecondaryBufferSize;
}
else if ( byte_to_lock > ds_play_cursor)
{
// Infront of play cursor |--play--byte_to_write-->--|
bytes_to_write = DS_SecondaryBufferSize - byte_to_lock;
bytes_to_write += ds_play_cursor;
}
else
{
// TODO(Ed) : Logging
// Behind play cursor |--byte_to_write-->--play--|
bytes_to_write = ds_play_cursor - byte_to_lock;
}
}
else
bytes_to_write = max(bytes_to_write, 1);
LPVOID region_1;
DWORD region_1_size;
LPVOID region_2;
DWORD region_2_size;
HRESULT ds_lock_result = DS_SecondaryBuffer->Lock( byte_to_lock, bytes_to_write
, & region_1, & region_1_size
, & region_2, & region_2_size
, 0 );
if ( ! SUCCEEDED( ds_lock_result ) )
{
// TODO(Ed) : Logging
break;
}
// TODO : Assert that region sizes are valid
// TODO : Collapse these loops
DWORD region_1_sample_count = region_1_size / ds_bytes_per_sample;
s16* sample_out = rcast( s16*, region_1 );
for ( DWORD sample_index = 0; sample_index < region_1_sample_count; ++ sample_index )
{
s16 sample_value = (ds_running_sample_index / half_square_wave_period) % 2 ?
square_wave_tone_volume : -square_wave_tone_volume;
++ ds_running_sample_index;
*sample_out = sample_value;
++ sample_out;
*sample_out = sample_value;
++ sample_out;
}
DWORD region_2_sample_count = region_2_size / ds_bytes_per_sample;
sample_out = rcast( s16*, region_2 );
for ( DWORD sample_index = 0; sample_index < region_2_sample_count; ++ sample_index )
{
s16 sample_value = (ds_running_sample_index / half_square_wave_period) % 2 ?
square_wave_tone_volume : -square_wave_tone_volume;
++ ds_running_sample_index;
*sample_out = sample_value;
++ sample_out;
*sample_out = sample_value;
++ sample_out;
}
DS_SecondaryBuffer->Unlock( region_1, region_1_size, region_2, region_2_size );
DS_SecondaryBuffer->Play( 0, 0, DSBPLAY_LOOPING );
} while(0);
}
if ( jsl_num_devices > 0 )

5
project/platform/win32.h
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@ -52,6 +52,11 @@ enum CS : UINT
CS_Vertical_Redraw = CS_VREDRAW,
};
enum CW : s32
{
CW_Use_Default = CW_USEDEFAULT,
};
enum DIB : UINT
{
DIB_ColorTable_RGB = 0,