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Day 45 is complete.

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ikolokolnikov
2026-06-25 17:31:29 -07:00
parent 1ba8acfe51
commit 943ed21776
4 changed files with 80 additions and 29 deletions
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handmade.c
+54 -28
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@@ -420,6 +420,7 @@ void UpdateAndRender(thread_context *Thread, game_memory *Memory, game_input *In
S32 TileSideInPixels = 60;
F32 MetersToPixels = (F32)TileSideInPixels / TileMap->TileSideInMeters;
tile_map_position OldPlayerP = GameState->PlayerP;
for(U32 ControllerIndex = 0; ControllerIndex < ARRAY_SIZE(Input->Controllers); ControllerIndex++) {
game_controller_input *Controller = GetController(Input, ControllerIndex);
if(Controller->IsAnalog) {
@@ -454,12 +455,13 @@ void UpdateAndRender(thread_context *Thread, game_memory *Memory, game_input *In
ddPlayer = V2Add(ddPlayer, V2Unary(V2Multiply(1.5f, GameState->dPlayerP)));
tile_map_position NewPlayerP;
NewPlayerP = GameState->PlayerP;
NewPlayerP.Offset = V2Add(V2Add(V2Multiply(0.5f, V2Multiply(Square(Input->dtForFrame), ddPlayer)), V2Multiply(Input->dtForFrame, GameState->dPlayerP)), NewPlayerP.Offset);
tile_map_position NewPlayerP = GameState->PlayerP;
v2 PlayerDelta = V2Add(V2Multiply(0.5f, V2Multiply(Square(Input->dtForFrame), ddPlayer)), V2Multiply(Input->dtForFrame, GameState->dPlayerP));
NewPlayerP.Offset = V2Add(PlayerDelta, NewPlayerP.Offset);
GameState->dPlayerP = V2Add(V2Multiply(Input->dtForFrame, ddPlayer), GameState->dPlayerP);
NewPlayerP = RecannonicalizePosition(TileMap, NewPlayerP);
#if 1
tile_map_position PlayerLeft;
PlayerLeft = NewPlayerP;
PlayerLeft.Offset.X -= 0.5f*PlayerWidth;
@@ -503,36 +505,62 @@ void UpdateAndRender(thread_context *Thread, game_memory *Memory, game_input *In
GameState->dPlayerP = V2Subtract(GameState->dPlayerP, V2Multiply(1*InnerProduct(GameState->dPlayerP, r), r));
} else {
if(!AreOnSameTile(&GameState->PlayerP, &NewPlayerP)) {
U32 NewTileValue = GetTileValueByPos(TileMap, NewPlayerP);
if(NewTileValue == 3) {
NewPlayerP.AbsTileZ++;
} else if(NewTileValue == 4) {
NewPlayerP.AbsTileZ--;
}
}
GameState->PlayerP = NewPlayerP;
}
#else
U32 MinTileX = 0;
U32 MinTileY = 0;
U32 OnePastMaxTileX = 0;
U32 OnePastMaxTileY = 0;
U32 AbsTileZ = GameState->PlayerP.AbsTileZ;
tile_map_position BestPlayerP = GameState->PlayerP;
F32 BestDistance = LengthSq(PlayerDelta);
for(U32 AbsTileY = MinTileY; AbsTileY != OnePastMaxTileY; AbsTileY++) {
for(U32 AbsTileX = MinTileX; AbsTileX != OnePastMaxTileX; AbsTileX++) {
tile_map_position TestTileP = CenteredTilePoint(AbsTileX, AbsTileY, AbsTileZ);
U32 TileValue = GetTileValueByPos(TileMap, TestTileP);
if(IsTileValueEmpty(TileValue)) {
v2 MinCorner = V2Multiply(-0.5f, (v2){ TileMap->TileSideInMeters, TileMap->TileSideInMeters });
v2 MaxCorner = V2Multiply(-0.5f, (v2){ TileMap->TileSideInMeters, TileMap->TileSideInMeters });
GameState->CameraP.AbsTileZ = GameState->PlayerP.AbsTileZ;
tile_map_difference Diff = SubtractInF32(TileMap, &GameState->PlayerP, &GameState->CameraP);
if(Diff.dXY.X > (9.0f*TileMap->TileSideInMeters)) {
GameState->CameraP.AbsTileX += 17;
}
if(Diff.dXY.X < -(9.0f*TileMap->TileSideInMeters)) {
GameState->CameraP.AbsTileX -= 17;
}
if(Diff.dXY.Y > (5.0f*TileMap->TileSideInMeters)) {
GameState->CameraP.AbsTileY += 9;
}
if(Diff.dXY.Y < -(5.0f*TileMap->TileSideInMeters)) {
GameState->CameraP.AbsTileY -= 9;
tile_map_difference RelNewPlayerP = SubtractInF32(TileMap, &TestTileP, &NewPlayerP);
v2 TestP = ClosestPointInRectangle(MinCorner, MaxCorner, RelNewPlayerP);
if(...) {
}
}
}
}
#endif
}
}
if(!AreOnSameTile(&OldPlayerP, &GameState->PlayerP)) {
U32 NewTileValue = GetTileValueByPos(TileMap, GameState->PlayerP);
if(NewTileValue == 3) {
GameState->PlayerP.AbsTileZ++;
} else if(NewTileValue == 4) {
GameState->PlayerP.AbsTileZ--;
}
}
GameState->CameraP.AbsTileZ = GameState->PlayerP.AbsTileZ;
tile_map_difference Diff = SubtractInF32(TileMap, &GameState->PlayerP, &GameState->CameraP);
if(Diff.dXY.X > (9.0f*TileMap->TileSideInMeters)) {
GameState->CameraP.AbsTileX += 17;
}
if(Diff.dXY.X < -(9.0f*TileMap->TileSideInMeters)) {
GameState->CameraP.AbsTileX -= 17;
}
if(Diff.dXY.Y > (5.0f*TileMap->TileSideInMeters)) {
GameState->CameraP.AbsTileY += 9;
}
if(Diff.dXY.Y < -(5.0f*TileMap->TileSideInMeters)) {
GameState->CameraP.AbsTileY -= 9;
}
Diff = SubtractInF32(TileMap, &GameState->PlayerP, &GameState->CameraP);
//DrawRectangle(Buffer, 0.0f, 0.0f, (F32)Buffer->Width, (F32)Buffer->Height, 0.0f, 1.0f, 0.0f);
DrawBitmap(Buffer, &GameState->Backdrop, 0.0f, 0.0f, 0, 0);
@@ -571,8 +599,6 @@ void UpdateAndRender(thread_context *Thread, game_memory *Memory, game_input *In
}
}
tile_map_difference Diff = SubtractInF32(TileMap, &GameState->PlayerP, &GameState->CameraP);
F32 PlayerR = 1.0f;
F32 PlayerG = 0.0f;
F32 PlayerB = 0.0f;