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Day 29 complete

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This commit is contained in:
Edward R. Gonzalez 2023-10-04 13:55:15 -04:00
parent 80996709fe
commit a103054023
5 changed files with 233 additions and 55 deletions
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2
.vscode/bookmarks.json vendored
View File

@ -14,7 +14,7 @@
"label": "Static Data" "label": "Static Data"
}, },
{ {
"line": 980, "line": 1009,
"column": 0, "column": 0,
"label": "Main Loop : End" "label": "Main Loop : End"
} }

199
project/engine/engine.cpp
View File

@ -382,12 +382,19 @@ output_sound( EngineState* state, AudioBuffer* sound_buffer, GetSoundSampleValue
} }
} }
inline
s32 round_f32_to_s32( f32 value ) s32 round_f32_to_s32( f32 value )
{ {
// TODO(Ed) : Casey wants to use an intrinsic // TODO(Ed) : Casey wants to use an intrinsic
return scast(s32, value + 0.5f); return scast(s32, value + 0.5f);
} }
inline
s32 truncate_f32_to_s32( f32 value )
{
return scast(s32, value);
}
internal internal
void draw_rectangle( OffscreenBuffer* buffer void draw_rectangle( OffscreenBuffer* buffer
, f32 min_x, f32 min_y , f32 min_x, f32 min_y
@ -485,6 +492,8 @@ void startup( Memory* memory, platform::ModuleAPI* platform_api )
hh::PlayerState* player = rcast( hh::PlayerState*, state->game_memory.persistent ); hh::PlayerState* player = rcast( hh::PlayerState*, state->game_memory.persistent );
assert( sizeof(hh::PlayerState) <= state->game_memory.persistent_size ); assert( sizeof(hh::PlayerState) <= state->game_memory.persistent_size );
player->width = 50.f;
player->height = 100.f;
player->pos_x = 920; player->pos_x = 920;
player->pos_y = 466; player->pos_y = 466;
player->mid_jump = false; player->mid_jump = false;
@ -496,9 +505,48 @@ void shutdown( Memory* memory, platform::ModuleAPI* platform_api )
{ {
} }
inline
u32 tilemap_tile_value( TileMap* tile_map, s32 x, s32 y )
{
assert( x >= 0 && x < scast(s32, tile_map->num_x) );
assert( y >= 0 && y < scast(s32, tile_map->num_y) );
return tile_map->tiles[ (y * tile_map->num_x) + x ];
}
inline
b32 tilemap_is_pos_empty( TileMap* tile_map, f32 x, f32 y )
{
s32 tile_x = truncate_f32_to_s32(( x - scast(f32, tile_map->upper_left_X)) / scast(f32, tile_map->width) );
s32 tile_y = truncate_f32_to_s32(( y - scast(f32, tile_map->upper_left_Y)) / scast(f32, tile_map->height) );
b32 is_empty = false;
if ( tile_x >= 0 && tile_x < scast(s32, tile_map->num_x)
&& tile_y >= 0 && tile_y < scast(s32, tile_map->num_y) )
{
u32 tile_value = tilemap_tile_value( tile_map, tile_x, tile_y );
is_empty = tile_value == 0;
}
return is_empty;
}
inline
TileMap* world_tilemap( World* world, s32 x, s32 y )
{
assert( x >= 0 && x < world->tilemaps_num_x );
assert( y >= 0 && y < world->tilemaps_num_y );
return & world->tile_maps[ (y * world->tilemaps_num_x) + x ];
}
internal
b32 world_is_pos_empty( World* world, s32 tm_x, s32 tm_y, f32 x, f32 y )
{
return false;
}
Engine_API Engine_API
// TODO : I rather expose the back_buffer and sound_buffer using getters for access in any function. // TODO : I rather expose the back_buffer and sound_buffer using getters for access in any function.
void update_and_render( f32 delta_time, InputState* input, OffscreenBuffer* back_buffer, Memory* memory, platform::ModuleAPI* platform_api, ThreadContext* thread ) void update_and_render( f32 delta_time, InputState* input, OffscreenBuffer* back_buffer
, Memory* memory, platform::ModuleAPI* platform_api, ThreadContext* thread )
{ {
EngineState* state = rcast( EngineState*, memory->persistent ); EngineState* state = rcast( EngineState*, memory->persistent );
assert( sizeof(EngineState) <= memory->persistent_size ); assert( sizeof(EngineState) <= memory->persistent_size );
@ -639,16 +687,111 @@ void update_and_render( f32 delta_time, InputState* input, OffscreenBuffer* back
hh::PlayerState* player = rcast( hh::PlayerState*, state->game_memory.persistent ); hh::PlayerState* player = rcast( hh::PlayerState*, state->game_memory.persistent );
assert( sizeof(hh::PlayerState) <= state->game_memory.persistent_size ); assert( sizeof(hh::PlayerState) <= state->game_memory.persistent_size );
f32 half_width = player->width / 2.f;
f32 quater_height = player->height / 4.f;
f32 x_offset_f = scast(f32, state->x_offset);
f32 y_offset_f = scast(f32, state->y_offset);
constexpr s32 tile_map_num_x = 16;
constexpr s32 tile_map_num_y = 9;
u32 tiles_00 [tile_map_num_y][tile_map_num_x] = {
{ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 },
{ 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1 },
{ 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1 },
{ 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
{ 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1 },
{ 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1 },
{ 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1 },
{ 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1 },
{ 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1 },
};
u32 tiles_01 [tile_map_num_y][tile_map_num_x] = {
{ 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1 },
{ 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1 },
{ 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1 },
{ 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1 },
{ 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
{ 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1 },
{ 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1 },
{ 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1 },
{ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 },
};
u32 tiles_10 [tile_map_num_y][tile_map_num_x] = {
{ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 },
{ 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1 },
{ 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1 },
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1 },
{ 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1 },
{ 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1 },
{ 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1 },
{ 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1 },
{ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 },
};
u32 tiles_11 [tile_map_num_y][tile_map_num_x] = { { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 },
{ 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1 },
{ 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1 },
{ 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1 },
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1 },
{ 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1 },
{ 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1 },
{ 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1 },
{ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 },
};
TileMap tile_maps[2][2] {};
tile_maps[0][0].upper_left_X = 0;
tile_maps[0][0].upper_left_Y = 0;
tile_maps[0][0].width = 80;
tile_maps[0][0].height = 80;
tile_maps[0][0].num_x = tile_map_num_x;
tile_maps[0][0].num_y = tile_map_num_y;
tile_maps[0][0].tiles = rcast(u32*, tiles_00);
tile_maps[0][1] = tile_maps[0][0];
tile_maps[0][1].tiles = rcast(u32*, tiles_01);
tile_maps[1][0] = tile_maps[0][0];
tile_maps[1][0].tiles = rcast(u32*, tiles_10);
tile_maps[1][1] = tile_maps[0][0];
tile_maps[1][1].tiles = rcast(u32*, tiles_11);
s32 current_tile_map_id[2] = { 0, 0 };
TileMap* current_tile_map = & tile_maps[current_tile_map_id[0] ][current_tile_map_id[1] ];
input_poll_player_actions( input, & player_actions ); input_poll_player_actions( input, & player_actions );
{ {
f32 move_speed = 200.f; f32 move_speed = 200.f;
player->pos_x += scast(f32, player_actions.player_x_move_digital) * delta_time * move_speed; f32 new_player_pos_x = player->pos_x;
player->pos_y -= scast(f32, player_actions.player_y_move_digital) * delta_time * move_speed; f32 new_player_pos_y = player->pos_y;
if ( player_actions.player_x_move_analog || player_actions.player_y_move_analog )
{
new_player_pos_x += scast(f32, player_actions.player_x_move_analog * delta_time * move_speed);
new_player_pos_y -= scast(f32, player_actions.player_y_move_analog * delta_time * move_speed);
}
else
{
new_player_pos_x += scast(f32, player_actions.player_x_move_digital) * delta_time * move_speed;
new_player_pos_y -= scast(f32, player_actions.player_y_move_digital) * delta_time * move_speed;
}
new_player_pos_y += sinf( player->jump_time * TAU ) * 200.f * delta_time;
player->pos_x += scast(f32, player_actions.player_x_move_analog * delta_time * move_speed); b32 valid_new_pos =
player->pos_y -= scast(f32, player_actions.player_y_move_analog * delta_time * move_speed); tilemap_is_pos_empty( current_tile_map, new_player_pos_x - half_width, new_player_pos_y - quater_height )
player->pos_y += sinf( player->jump_time * TAU ) * 200.f * delta_time; && tilemap_is_pos_empty( current_tile_map, new_player_pos_x + half_width, new_player_pos_y - quater_height )
&& tilemap_is_pos_empty( current_tile_map, new_player_pos_x - half_width, new_player_pos_y )
&& tilemap_is_pos_empty( current_tile_map, new_player_pos_x + half_width, new_player_pos_y );
if ( valid_new_pos )
{
player->pos_x = new_player_pos_x;
player->pos_y = new_player_pos_y;
}
// player_tile_x
if ( player->jump_time > 0.f ) if ( player->jump_time > 0.f )
{ {
@ -667,38 +810,18 @@ void update_and_render( f32 delta_time, InputState* input, OffscreenBuffer* back
} }
} }
f32 x_offset_f = scast(f32, state->x_offset);
f32 y_offset_f = scast(f32, state->y_offset);
draw_rectangle( back_buffer draw_rectangle( back_buffer
, 0.f, 0.f , 0.f, 0.f
, scast(f32, back_buffer->width), scast(f32, back_buffer->height) , scast(f32, back_buffer->width), scast(f32, back_buffer->height)
, 1.f, 0.24f, 0.24f ); , 1.f, 0.24f, 0.24f );
// Draw tilemap // Draw tilemap
u32 tilemap[9][16] = {
{ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1 },
{ 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1 },
{ 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 1 },
{ 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 1 },
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
{ 1, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1 },
{ 1, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1 },
{ 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1 },
{ 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1 },
};
f32 upper_left_x = 0;
f32 upper_left_y = 0;
f32 tile_width = 119;
f32 tile_height = 116;
for ( s32 row = 0; row < 9; ++ row ) for ( s32 row = 0; row < 9; ++ row )
{ {
for ( s32 col = 0; col < 16; ++ col ) for ( s32 col = 0; col < 16; ++ col )
{ {
u32 tileID = tilemap[row][col]; u32 tileID = tilemap_tile_value( & tile_maps[0][0], col, row );
f32 grey[3] = { 0.15f, 0.15f, 0.15f }; f32 grey[3] = { 0.15f, 0.15f, 0.15f };
if ( tileID == 1 ) if ( tileID == 1 )
@ -708,10 +831,10 @@ void update_and_render( f32 delta_time, InputState* input, OffscreenBuffer* back
grey[2] = 0.22f; grey[2] = 0.22f;
} }
f32 min_x = upper_left_x + scast(f32, col) * tile_width; f32 min_x = current_tile_map->upper_left_X + scast(f32, col) * current_tile_map->width;
f32 min_y = upper_left_y + scast(f32, row) * tile_height; f32 min_y = current_tile_map->upper_left_Y + scast(f32, row) * current_tile_map->height;
f32 max_x = min_x + tile_width; f32 max_x = min_x + current_tile_map->width;
f32 max_y = min_y + tile_height; f32 max_y = min_y + current_tile_map->height;
draw_rectangle( back_buffer draw_rectangle( back_buffer
, min_x, min_y , min_x, min_y
@ -721,16 +844,13 @@ void update_and_render( f32 delta_time, InputState* input, OffscreenBuffer* back
} }
// Player // Player
f32 player_width = 50.f;
f32 player_height = 100.f;
f32 player_red = 0.3f; f32 player_red = 0.3f;
f32 player_green = 0.3f; f32 player_green = 0.3f;
f32 player_blue = 0.3f; f32 player_blue = 0.3f;
draw_rectangle( back_buffer draw_rectangle( back_buffer
, player->pos_x, player->pos_y , player->pos_x - half_width, player->pos_y - player->height
, player->pos_x + player_width, player->pos_y + player_height , player->pos_x + half_width, player->pos_y
, player_red, player_green, player_blue ); , player_red, player_green, player_blue );
// Auto-Snapshot percent bar // Auto-Snapshot percent bar
@ -740,7 +860,7 @@ void update_and_render( f32 delta_time, InputState* input, OffscreenBuffer* back
draw_rectangle( back_buffer draw_rectangle( back_buffer
, 0.f, 0.f , 0.f, 0.f
, snapshot_percent_x, 10.f , snapshot_percent_x, 10.f
, 0x00, 0.15f, 0.35f ); , 0.f, 0.15f, 0.35f );
} }
#if Build_Development #if Build_Development
@ -754,10 +874,13 @@ void update_and_render( f32 delta_time, InputState* input, OffscreenBuffer* back
#endif #endif
// Change above to use draw rectangle // Change above to use draw rectangle
if ( 0 )
{
draw_rectangle( back_buffer draw_rectangle( back_buffer
, (f32)input->controllers[0].mouse->X.end, (f32)input->controllers[0].mouse->Y.end , (f32)input->controllers[0].mouse->X.end, (f32)input->controllers[0].mouse->Y.end
, (f32)input->controllers[0].mouse->X.end + 10.f, (f32)input->controllers[0].mouse->Y.end + 10.f , (f32)input->controllers[0].mouse->X.end + 10.f, (f32)input->controllers[0].mouse->Y.end + 10.f
, 1.f, 1.f, 0.f ); , 1.f, 1.f, 0.f );
}
// Mouse buttons test // Mouse buttons test
#if 0 #if 0

23
project/engine/engine.hpp
View File

@ -275,4 +275,27 @@ struct RecordedInput
}; };
#endif #endif
struct TileMap
{
f32 upper_left_X;
f32 upper_left_Y;
f32 width;
f32 height;
s32 num_x;
s32 num_y;
u32* tiles;
};
struct World
{
// TODO(Ed) : Beginner's sparseness
s32 tilemaps_num_x;
s32 tilemaps_num_y;
TileMap* tile_maps;
};
NS_ENGINE_END NS_ENGINE_END

3
project/handmade.hpp
View File

@ -70,6 +70,9 @@ struct Player
struct PlayerState struct PlayerState
{ {
f32 width;
f32 height;
f32 pos_x; f32 pos_x;
f32 pos_y; f32 pos_y;

53
project/platform/win32/win32_platform.cpp
View File

@ -169,17 +169,46 @@ get_window_dimensions( HWND window_handle )
} }
internal void internal void
display_buffer_in_window( HDC device_context, u32 window_width, u32 window_height, OffscreenBuffer* buffer display_buffer_in_window( HDC device_context, s32 window_width, s32 window_height, OffscreenBuffer* buffer
, u32 x, u32 y , s32 x, s32 y
, u32 width, u32 height ) , s32 width, s32 height )
{ {
s32 offset_x = 0;
s32 offset_y = 0;
if ( window_width > buffer->width )
offset_x = (window_width - buffer->width) / 2;
if ( window_height > buffer->height )
offset_y = (window_height - buffer->height) / 2;
PatBlt( device_context
, 0, 0
, window_width, offset_y
, BLACKNESS );
PatBlt( device_context
, 0, 0
, offset_x, window_height
, BLACKNESS );
PatBlt( device_context
, offset_x + buffer->width, 0
, window_width, window_height
, BLACKNESS);
PatBlt( device_context
, 0, offset_y + buffer->height
, window_width, window_height
, BLACKNESS );
// TODO(Ed) : Aspect ratio correction // TODO(Ed) : Aspect ratio correction
StretchDIBits( device_context StretchDIBits( device_context
#if 0 #if 0
, x, y, width, height , x, y, width, height
, x, y, width, height , x, y, width, height
#endif #endif
, 0, 0, buffer->width, buffer->height , offset_x, offset_y, buffer->width, buffer->height
// , 0, 0, window_width, window_height // , 0, 0, window_width, window_height
, 0, 0, buffer->width, buffer->height , 0, 0, buffer->width, buffer->height
, buffer->memory, & buffer->info , buffer->memory, & buffer->info
@ -242,7 +271,7 @@ main_window_callback( HWND handle
} }
else else
{ {
SetLayeredWindowAttributes( handle, RGB(0, 0, 0), 120, LWA_Alpha ); // SetLayeredWindowAttributes( handle, RGB(0, 0, 0), 120, LWA_Alpha );
} }
} }
break; break;
@ -288,12 +317,12 @@ main_window_callback( HWND handle
if (PtInRect(&rect, pt)) if (PtInRect(&rect, pt))
{ {
// Hide the cursor when it's inside the window // Hide the cursor when it's inside the window
while (ShowCursor(FALSE) >= 0); // while (ShowCursor(FALSE) >= 0);
} }
else else
{ {
// Show the cursor when it's outside the window // Show the cursor when it's outside the window
while (ShowCursor(TRUE) < 0); // while (ShowCursor(TRUE) < 0);
} }
} }
break; break;
@ -613,13 +642,13 @@ WinMain( HINSTANCE instance, HINSTANCE prev_instance, LPSTR commandline, int sho
} }
window_handle = CreateWindowExW( window_handle = CreateWindowExW(
// WS_EX_LAYERED | WS_EX_TOPMOST, WS_EX_LAYERED | WS_EX_TOPMOST,
WS_EX_LAYERED, // WS_EX_LAYERED,
window_class.lpszClassName, window_class.lpszClassName,
L"Handmade Hero", L"Handmade Hero",
WS_Overlapped_Window | WS_Initially_Visible, WS_Overlapped_Window | WS_Initially_Visible,
300, 300, // x, y 300, 300, // x, y
1920, 1080, // width, height 1280, 720, // width, height
0, 0, // parent, menu 0, 0, // parent, menu
instance, 0 // instance, param instance, 0 // instance, param
); );
@ -631,7 +660,7 @@ WinMain( HINSTANCE instance, HINSTANCE prev_instance, LPSTR commandline, int sho
} }
// WinDimensions dimensions = get_window_dimensions( window_handle ); // WinDimensions dimensions = get_window_dimensions( window_handle );
resize_dib_section( &Surface_Back_Buffer, 1920, 1080 ); resize_dib_section( &Surface_Back_Buffer, 1280, 720 );
// Setup monitor refresh and associated timers // Setup monitor refresh and associated timers
HDC refresh_dc = GetDC( window_handle ); HDC refresh_dc = GetDC( window_handle );
@ -725,9 +754,9 @@ WinMain( HINSTANCE instance, HINSTANCE prev_instance, LPSTR commandline, int sho
// There can be 4 of any of each input API type : KB & Mouse, XInput, JSL. // There can be 4 of any of each input API type : KB & Mouse, XInput, JSL.
#if 0 #if 0
using EngineKeyboardStates = engine::KeyboardState[ Max_Controllers ]; using EngineKeyboardStates = engine::KeyboardState[ Max_Controllers ];
EngineKeyboardStates keyboard_states[2] {};
EngineKeyboardStates* old_keyboards = & keyboard_states[0]; EngineKeyboardStates* old_keyboards = & keyboard_states[0];
EngineKeyboardStates* new_keyboards = & keyboard_states[1]; EngineKeyboardStates* new_keyboards = & keyboard_states[1];
EngineKeyboardStates keyboard_states[2] {};
#endif #endif
engine::KeyboardState keyboard_states[2] {}; engine::KeyboardState keyboard_states[2] {};