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Day 17 complete

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This commit is contained in:
Edward R. Gonzalez
2023-09-22 02:16:40 -04:00
parent 100cf96d4f
commit 5902aec2bf
9 changed files with 502 additions and 300 deletions
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389
project/platform/handmade_win32.cpp
View File

@ -29,6 +29,7 @@
#endif
#include <math.h> // TODO : Implement math ourselves
#include <stdio.h>
#include "engine.cpp"
@ -188,6 +189,60 @@ b32 debug_file_write_content( char* file_path, u32 content_size, void* content_m
}
#endif
internal void
input_process_digital_btn( engine::DigitalBtn* old_state, engine::DigitalBtn* new_state, u32 raw_btns, u32 btn_flag )
{
#define had_transition() ( old_state->EndedDown == new_state->EndedDown )
new_state->EndedDown = (raw_btns & btn_flag) > 0;
new_state->HalfTransitions = had_transition() ? 1 : 0;
#undef had_transition
}
internal f32
xinput_process_axis_value( s16 value, s16 deadzone_threshold )
{
f32 result = 0;
if ( value < -deadzone_threshold )
{
result = scast(f32, value + deadzone_threshold) / (32768.0f - scast(f32, deadzone_threshold));
}
else if ( value > deadzone_threshold )
{
result = scast(f32, value + deadzone_threshold) / (32767.0f - scast(f32, deadzone_threshold));
}
return result;
}
internal f32
input_process_axis_value( f32 value, f32 deadzone_threshold )
{
f32 result = 0;
if ( value < -deadzone_threshold )
{
result = (value + deadzone_threshold ) / (1.0f - deadzone_threshold );
if (result < -1.0f)
result = -1.0f; // Clamp to ensure it doesn't go below -1
}
else if ( value > deadzone_threshold )
{
result = (value - deadzone_threshold ) / (1.0f - deadzone_threshold );
if (result > 1.0f)
result = 1.0f; // Clamp to ensure it doesn't exceed 1
}
return result;
}
internal void
input_process_keyboard_key( engine::DigitalBtn* key, b32 is_down )
{
// This assert fails all the time, have no idea why. I'm just going to use GetAsyncKeyState instead, using the messaging events is horrible.
// assert( key->EndedDown != is_down )
key->EndedDown = is_down;
key->HalfTransitions += is_down;
}
internal void
init_sound(HWND window_handle, s32 samples_per_second, s32 buffer_size )
{
@ -487,19 +542,115 @@ main_window_callback(
}
internal void
input_process_digital_btn( engine::DigitalBtn* old_state, engine::DigitalBtn* new_state, u32 raw_btns, u32 btn_flag )
process_pending_window_messages( engine::KeyboardState* keyboard )
{
#define had_transition() ( old_state->State == new_state->State )
new_state->State = (raw_btns & btn_flag);
new_state->HalfTransitions = had_transition() ? 1 : 0;
#undef had_transition
}
MSG window_msg_info;
while ( PeekMessageA( & window_msg_info, 0, 0, 0, PM_Remove_Messages_From_Queue ) )
{
if ( window_msg_info.message == WM_QUIT )
{
OutputDebugStringA("WM_QUIT\n");
Running = false;
}
internal void
input_process_keyboard_key( engine::DigitalBtn* key, b32 is_down )
{
key->State = is_down;
key->HalfTransitions += is_down;
// Keyboard input handling
switch (window_msg_info.message)
{
// I rather do this with GetAsyncKeyState...
case WM_SYSKEYDOWN:
case WM_SYSKEYUP:
#if 0
case WM_KEYDOWN:
case WM_KEYUP:
#endif
{
WPARAM vk_code = window_msg_info.wParam;
b32 is_down = scast(b32, (window_msg_info.lParam >> 31) == 0 );
b32 was_down = scast(b32, (window_msg_info.lParam >> 30) );
b32 alt_down = scast(b32, (window_msg_info.lParam & (1 << 29)) );
switch ( vk_code )
{
#if 0
case 'Q':
{
input_process_keyboard_key( & keyboard->Q, is_down );
}
break;
case 'E':
{
input_process_keyboard_key( & keyboard->E, is_down );
}
break;
case 'W':
{
input_process_keyboard_key( & keyboard->W, is_down );
}
break;
case 'A':
{
input_process_keyboard_key( & keyboard->A, is_down );
}
break;
case 'S':
{
input_process_keyboard_key( & keyboard->S, is_down );
}
break;
case 'D':
{
input_process_keyboard_key( & keyboard->D, is_down );
}
break;
case VK_ESCAPE:
{
input_process_keyboard_key( & keyboard->Escape, is_down );
}
break;
case VK_BACK:
input_process_keyboard_key( & keyboard->Backspace, is_down );
break;
case VK_UP:
{
input_process_keyboard_key( & keyboard->Up, is_down );
}
break;
case VK_DOWN:
{
input_process_keyboard_key( & keyboard->Down, is_down );
}
break;
case VK_LEFT:
{
input_process_keyboard_key( & keyboard->Left, is_down );
}
break;
case VK_RIGHT:
{
input_process_keyboard_key( & keyboard->Right, is_down );
}
break;
case VK_SPACE:
{
input_process_keyboard_key( & keyboard->Space, is_down );
}
break;
#endif
case VK_F4:
{
if ( alt_down )
Running = false;
}
break;
}
}
break;
default:
TranslateMessage( & window_msg_info );
DispatchMessageW( & window_msg_info );
}
}
}
NS_PLATFORM_END
@ -561,7 +712,6 @@ WinMain(
WNDCLASSW window_class {};
HWND window_handle = nullptr;
MSG window_msg_info;
{
window_class.style = CS_Horizontal_Redraw | CS_Vertical_Redraw;
window_class.lpfnWndProc = main_window_callback;
@ -635,17 +785,18 @@ WinMain(
engine::InputState input {};
engine::KeyboardState keyboard;
input.Controllers[0].Keyboard = & keyboard;
engine::KeyboardState keyboard_states[2] {};
engine::KeyboardState* old_keyboard = & keyboard_states[0];
engine::KeyboardState* new_keyboard = & keyboard_states[1];
// Important: Assuming keyboard always connected for now, and assigning to first controller.
using EngineXInputPadStates = engine::XInputPadState[ Max_Controllers ];
EngineXInputPadStates xpad_states[2];
EngineXInputPadStates xpad_states[2] {};
EngineXInputPadStates* old_xpads = & xpad_states[0];
EngineXInputPadStates* new_xpads = & xpad_states[1];
using EngineDSPadStates = engine::DualsensePadState[Max_Controllers];
EngineDSPadStates ds_pad_states[2];
EngineDSPadStates ds_pad_states[2] {};
EngineDSPadStates* old_ds_pads = & ds_pad_states[0];
EngineDSPadStates* new_ds_pads = & ds_pad_states[1];
@ -684,116 +835,50 @@ WinMain(
Running = true;
while( Running )
{
keyboard = {};
// Window Management
// Handeled properly in the input section.
#if 0
swap( old_keyboard, new_keyboard );
*new_keyboard = {};
for ( u32 key_index = 0; key_index < array_count( new_keyboard->Keys ); ++ key_index )
{
while ( 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;
}
engine::DigitalBtn* old_key = & old_keyboard->Keys[ key_index ];
engine::DigitalBtn* new_key = & new_keyboard->Keys[ key_index ];
// Keyboard input handling
switch (window_msg_info.message)
{
case WM_SYSKEYDOWN:
case WM_SYSKEYUP:
case WM_KEYDOWN:
case WM_KEYUP:
{
WPARAM vk_code = window_msg_info.wParam;
b32 is_down = scast(b32, (window_msg_info.lParam >> 31) == 0 );
b32 was_down = scast(b32, (window_msg_info.lParam >> 30) );
b32 alt_down = scast(b32, (window_msg_info.lParam & (1 << 29)) );
switch ( vk_code )
{
case 'Q':
{
input_process_keyboard_key( & keyboard.Q, is_down );
}
break;
case 'E':
{
input_process_keyboard_key( & keyboard.E, is_down );
}
break;
case 'W':
{
input_process_keyboard_key( & keyboard.W, is_down );
}
break;
case 'A':
{
input_process_keyboard_key( & keyboard.A, is_down );
}
break;
case 'S':
{
input_process_keyboard_key( & keyboard.S, is_down );
}
break;
case 'D':
{
input_process_keyboard_key( & keyboard.D, is_down );
}
break;
case VK_ESCAPE:
{
input_process_keyboard_key( & keyboard.Esc, is_down );
}
break;
case VK_UP:
{
input_process_keyboard_key( & keyboard.Up, is_down );
}
break;
case VK_DOWN:
{
input_process_keyboard_key( & keyboard.Down, is_down );
}
break;
case VK_LEFT:
{
input_process_keyboard_key( & keyboard.Left, is_down );
}
break;
case VK_RIGHT:
{
input_process_keyboard_key( & keyboard.Right, is_down );
}
break;
case VK_SPACE:
{
input_process_keyboard_key( & keyboard.Space, is_down );
}
break;
case VK_F4:
{
if ( alt_down )
Running = false;
}
break;
}
}
break;
default:
TranslateMessage( & window_msg_info );
DispatchMessageW( & window_msg_info );
}
}
new_key->EndedDown = old_key->EndedDown;
}
#endif
process_pending_window_messages( new_keyboard );
input.Controllers[0].Keyboard = new_keyboard;
// printf("Q- Old: %d, New: %d\n", old_keyboard->Q.EndedDown, new_keyboard->Q.EndedDown);
printf("Q- HTOld: %d, HTNew: %d\n", old_keyboard->Q.HalfTransitions, new_keyboard->Q.HalfTransitions);
// Input
// TODO(Ed) : Setup user definable deadzones for triggers and sticks.
{
// Swapping at the beginning of the input frame instead of the end.
swap( old_xpads, new_xpads );
swap( old_ds_pads, new_ds_pads );
swap( old_keyboard, new_keyboard );
swap( old_xpads, new_xpads );
swap( old_ds_pads, new_ds_pads );
// Keyboard Polling
{
constexpr u32 is_down = 0x8000;
input_process_digital_btn( & old_keyboard->Q, & new_keyboard->Q, GetAsyncKeyState( 'Q' ), is_down );
input_process_digital_btn( & old_keyboard->E, & new_keyboard->E, GetAsyncKeyState( 'E' ), is_down );
input_process_digital_btn( & old_keyboard->W, & new_keyboard->W, GetAsyncKeyState( 'W' ), is_down );
input_process_digital_btn( & old_keyboard->A, & new_keyboard->A, GetAsyncKeyState( 'A' ), is_down );
input_process_digital_btn( & old_keyboard->S, & new_keyboard->S, GetAsyncKeyState( 'S' ), is_down );
input_process_digital_btn( & old_keyboard->D, & new_keyboard->D, GetAsyncKeyState( 'D' ), is_down );
input_process_digital_btn( & old_keyboard->Escape, & new_keyboard->Escape, GetAsyncKeyState( VK_ESCAPE ), is_down );
input_process_digital_btn( & old_keyboard->Backspace, & new_keyboard->Backspace, GetAsyncKeyState( VK_BACK ), is_down );
input_process_digital_btn( & old_keyboard->Up, & new_keyboard->Up, GetAsyncKeyState( VK_UP ), is_down );
input_process_digital_btn( & old_keyboard->Down, & new_keyboard->Down, GetAsyncKeyState( VK_DOWN ), is_down );
input_process_digital_btn( & old_keyboard->Left, & new_keyboard->Left, GetAsyncKeyState( VK_LEFT ), is_down );
input_process_digital_btn( & old_keyboard->Right, & new_keyboard->Right, GetAsyncKeyState( VK_RIGHT ), is_down );
input_process_digital_btn( & old_keyboard->Space, & new_keyboard->Space, GetAsyncKeyState( VK_SPACE ), is_down );
}
// XInput Polling
// TODO(Ed) : Should we poll this more frequently?
@ -826,46 +911,16 @@ WinMain(
new_xpad->Stick.Left.X.Start = old_xpad->Stick.Left.X.End;
new_xpad->Stick.Left.Y.Start = old_xpad->Stick.Left.Y.End;
// TODO(Ed) : Compress this into a proc
f32 X;
if ( xpad->sThumbLX < 0 )
{
X = scast(f32, xpad->sThumbLX) / scast(f32, -S16_MIN);
}
else
{
X = scast(f32, xpad->sThumbLX) / scast(f32, S16_MAX);
}
f32 left_x = xinput_process_axis_value( xpad->sThumbLX, XINPUT_GAMEPAD_LEFT_THUMB_DEADZONE );
f32 left_y = xinput_process_axis_value( xpad->sThumbLY, XINPUT_GAMEPAD_LEFT_THUMB_DEADZONE );
// TODO(Ed) : Min/Max macros!!!
new_xpad->Stick.Left.X.Min = new_xpad->Stick.Left.X.Max = new_xpad->Stick.Left.X.End = X;
f32 Y;
if ( xpad->sThumbLY < 0 )
{
Y = scast(f32, xpad->sThumbLY) / scast(f32, -S16_MIN);
}
else
{
Y = scast(f32, xpad->sThumbLY) / scast(f32, S16_MAX);
}
// TODO(Ed) : Min/Max macros!!!
new_xpad->Stick.Left.Y.Min = new_xpad->Stick.Left.Y.Max = new_xpad->Stick.Left.Y.End = Y;
// epad->Stick.Left.X.End = xpad->sThumbLX;
// epad->Stick.Left.Y.End = xpad->sThumbLY;
// epad->Stick.Right.X.End = xpad->sThumbRX;
// epad->Stick.Right.X.End = xpad->sThumbRY;
// TODO(Ed) : Dead zone processing!!!!!!!!!!!!!!!
// XINPUT_GAMEPAD_LEFT_THUMB_DEADZONE
// XINPUT_GAMEPAD_RIGHT_THUMB_DEADZONE
// S16_MAX
// S16_MIN
new_xpad->Stick.Left.X.Min = new_xpad->Stick.Left.X.Max = new_xpad->Stick.Left.X.End = left_x;
new_xpad->Stick.Left.Y.Min = new_xpad->Stick.Left.Y.Max = new_xpad->Stick.Left.Y.End = left_y;
// TODO(Ed): Make this actually an average for later
new_xpad->Stick.Left.X.Average = left_x;
new_xpad->Stick.Left.Y.Average = left_y;
input.Controllers[ controller_index ].XPad = new_xpad;
}
@ -888,7 +943,7 @@ WinMain(
if ( jsl_device_index > 4 )
break;
JOY_SHOCK_STATE state = JslGetSimpleState( jsl_device_handles[ jsl_device_index ] );
JOY_SHOCK_STATE state = JslGetSimpleState( jsl_device_handles[ jsl_device_index ] );
engine::DualsensePadState* old_ds_pad = old_ds_pads[ jsl_device_index ];
engine::DualsensePadState* new_ds_pad = new_ds_pads[ jsl_device_index ];
@ -908,10 +963,20 @@ WinMain(
input_process_digital_btn( & old_ds_pad->L1, & new_ds_pad->L1, state.buttons, JSMASK_L );
input_process_digital_btn( & old_ds_pad->R1, & new_ds_pad->R1, state.buttons, JSMASK_R );
// epad->Stick.Left.X.End = state.stickLX;
// epad->Stick.Left.Y.End = state.stickLY;
// epad->Stick.Right.X.End = state.stickRX;
// epad->Stick.Right.X.End = state.stickRY;
new_ds_pad->Stick.Left.X.Start = old_ds_pad->Stick.Left.X.End;
new_ds_pad->Stick.Left.Y.Start = old_ds_pad->Stick.Left.Y.End;
// Joyshock abstracts the sticks to a float value already for us of -1.f to 1.f.
// We'll assume a deadzone of 10% for now.
f32 left_x = input_process_axis_value( state.stickLX, 0.1f );
f32 left_y = input_process_axis_value( state.stickLY, 0.1f );
new_ds_pad->Stick.Left.X.Min = new_ds_pad->Stick.Left.X.Max = new_ds_pad->Stick.Left.X.End = left_x;
new_ds_pad->Stick.Left.Y.Min = new_ds_pad->Stick.Left.Y.Max = new_ds_pad->Stick.Left.Y.End = left_y;
// TODO(Ed): Make this actually an average for later
new_ds_pad->Stick.Left.X.Average = left_x;
new_ds_pad->Stick.Left.Y.Average = left_y;
input.Controllers[ jsl_device_index ].DSPad = new_ds_pad;
}

44
project/platform/macros.h
View File

@ -52,9 +52,9 @@
#if Build_Development
# define assert( expression ) \
if ( !( expression ) ) \
{ \
*( int* )0 = 0; \
if ( !( expression ) ) \
{ \
__debugbreak(); \
}
// platform::assertion_failure( __FILE__, __LINE__, #expression );
#else
@ -67,3 +67,41 @@
#define ensure( condition, expression )
#define fatal( message )
#endif
// Just experimenting with a way to check for global variables being accessed from the wrong place.
// (Could also be done with gencpp technically)
#if 0
enum class EGlobalVarsAllowFuncs
{
ProcessPendingWindowMessages,
Num,
Invalid,
};
EGlobalVarsAllowFuncs to_type( char const* proc_name )
{
char const* global_vars_allowed_funcs[] {
"process_pending_window_messages"
};
if ( proc_name )
{
for ( u32 idx = 0; idx < array_count( global_vars_allowed_funcs ); ++idx )
{
if ( strcmp( proc_name, global_vars_allowed_funcs[idx] ) == 0 )
{
return scast( EGlobalVarsAllowFuncs, idx );
}
}
}
return EGlobalVarsAllowFuncs::Invalid;
}
#if Build_Development
# define checked_global_getter( global_var, procedure ) \
( ensure( to_type(procedure) != EGlobalVarsAllowFuncs::Invalid), global_var )
#else
# define checked_global_getter( global_var, procedure ) global_var
#endif
#endif

2
project/platform/platform.h
View File

@ -12,7 +12,7 @@
#pragma warning( disable: 4189 ) // Support for unused variables
#pragma warning( disable: 4514 ) // Support for unused inline functions
#pragma warning( disable: 4505 ) // Support for unused static functions
#pragma warning( disable: 5045 ) // Compiler will insert Spectre mitigation for memory load if /Qspectre switch specified
#pragma warning( disable: 5045 ) // Compiler will insert Spectre mitigation for memory load if /Qspectre switch specified
#include "grime.h"
#include "macros.h"