ikolokolnikov/handmadehero
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Day 28 complete.

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ikolokolnikov
2026-04-02 16:06:00 -07:00
parent 88f235ede6
commit 457ff9707f
3 changed files with 88 additions and 10 deletions
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handmade.c
+83 -6
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@@ -59,8 +59,7 @@ static S32 RoundF32toS32(F32 Real32)
static void DrawRectangle(game_offscreen_buffer *Buffer,
F32 RealMinX, F32 RealMinY,
F32 RealMaxX, F32 RealMaxY,
U32 Color)
/*F32 R, F32 G, F32 B)*/
F32 R, F32 G, F32 B)
{
S32 MinX = RoundF32toS32(RealMinX);
S32 MinY = RoundF32toS32(RealMinY);
@@ -72,6 +71,7 @@ static void DrawRectangle(game_offscreen_buffer *Buffer,
U8 *Row;
S32 Y, X;
U32 Color;
if(MinX < 0)
MinX = 0;
@@ -83,6 +83,10 @@ static void DrawRectangle(game_offscreen_buffer *Buffer,
if(MaxY > Height)
MaxY = Height;
Color = (U32)((RoundF32toS32(R * 255.0f) << 16) |
(RoundF32toS32(G * 255.0f) << 8) |
(RoundF32toS32(B * 255.0f) << 0));
Row = ((U8 *)Buffer->Memory + MinX*Buffer->BytesPerPixel +
MinY*Buffer->Pitch);
for(Y = MinY; Y < MaxY; Y++) {
@@ -123,6 +127,21 @@ void UpdateAndRender(thread_context *Thread, game_memory *Memory,
{
game_state *GameState;
U32 ControllerIndex;
S32 Row, Column;
U32 TileMap[9][17] = {
{1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 0, 1},
{1, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1},
{1, 1, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 1},
{1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1},
{0, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0},
{1, 1, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 1},
{1, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1},
{1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1},
{1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 0, 1},
};
F32 UpperLeftX, UpperLeftY, TileWidth, TileHeight;
F32 PlayerR, PlayerG, PlayerB, PlayerWidth, PlayerHeight,
PlayerLeft, PlayerTop;
ASSERT((&Input->Controllers[0].u.buttons.Terminator -
&Input->Controllers[0].u.Buttons[0]) ==
@@ -142,17 +161,75 @@ void UpdateAndRender(thread_context *Thread, game_memory *Memory,
GetController(Input, ControllerIndex);
if(Controller->IsAnalog) {
} else {
F32 dPlayerX = 0.0f;
F32 dPlayerY = 0.0f;
if(Controller->u.buttons.MoveUp.EndedDown) {
dPlayerY = -1.0f;
}
if(Controller->u.buttons.MoveDown.EndedDown) {
dPlayerY = 1.0f;
}
if(Controller->u.buttons.MoveLeft.EndedDown) {
dPlayerX = -1.0f;
}
if(Controller->u.buttons.MoveRight.EndedDown) {
dPlayerX = 1.0f;
}
dPlayerX *= 64.0f;
dPlayerY *= 64.0f;
GameState->PlayerX += Input->dtForFrame * dPlayerX;
GameState->PlayerY += Input->dtForFrame * dPlayerY;
GameState->PlayerX = RoundF32toS32(GameState->PlayerX);
GameState->PlayerY = RoundF32toS32(GameState->PlayerY);
}
}
DrawRectangle(Buffer, 0.0f, 0.0f, (F32)(Buffer->Width),
(F32)(Buffer->Height), 0x000000);
DrawRectangle(Buffer, 10.0f, 10.0f, 20.0f, 20.0f, 0xFFFFFF);
DrawRectangle(Buffer, 0.0f, 0.0f,
(F32)(Buffer->Width), (F32)(Buffer->Height),
0.0f, 1.0f, 0.0f);
UpperLeftX = 0.0f;
UpperLeftY = 0.0f;
TileWidth = 57.0f;
TileHeight = 57.0f;
for(Row = 0; Row < 9; Row++) {
for(Column = 0; Column < 17; Column++) {
F32 MinX, MinY, MaxX, MaxY;
U32 TileID = TileMap[Row][Column];
F32 Gray = 0.5f;
if(TileID) {
Gray = 1.0f;
}
MinX = UpperLeftX + (F32)(Column) * TileWidth;
MinY = UpperLeftY + (F32)(Row) * TileHeight;
MaxX = MinX + TileWidth;
MaxY = MinY + TileHeight;
DrawRectangle(Buffer, MinX, MinY, MaxX, MaxY, Gray, Gray, Gray);
}
}
PlayerR = 1.0f;
PlayerG = 0.0f;
PlayerB = 0.0f;
PlayerWidth = 0.75f * TileWidth;
PlayerHeight = TileHeight;
PlayerLeft = GameState->PlayerX - 0.5f*PlayerWidth;
PlayerTop = GameState->PlayerY - PlayerHeight;
DrawRectangle(Buffer,
PlayerLeft, PlayerTop,
PlayerLeft + PlayerWidth, PlayerTop + PlayerHeight,
PlayerR, PlayerG, PlayerB);
DrawRectangle(Buffer,
(F32)(Input->MouseX), (F32)(Input->MouseY),
(F32)(Input->MouseX) + 10.0f, (F32)(Input->MouseY) + 10.0f,
0xFF0000);
1.0f, 0.5f, 0.0f);
GameOutputSound(GameState, SoundBuffer, 400);
}