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Fix pipe mirroring (fixes #750 again)

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Tamás Bálint Misius 2022-02-04 09:07:02 +01:00
parent 0fcad65d6f
commit 7ab720d847
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2 changed files with 50 additions and 13 deletions
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26
src/client/GameSave.cpp
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@ -412,9 +412,10 @@ void GameSave::Transform(matrix2d transform, vector2d translate, vector2d transl
velocityYNew = Allocate2DArray<float>(newBlockWidth, newBlockHeight, 0.0f);
ambientHeatNew = Allocate2DArray<float>(newBlockWidth, newBlockHeight, 0.0f);
// * Patch pipes if the transform is (looks close enough to) a 90-degree counter-clockwise rotation.
bool patchPipe90 = fabsf(transform.a * transform.d - transform.b * transform.c - 1) < 1e-3 && fabs(atan2f(transform.b, transform.a) - (0.5f * M_PI)) < 1e-3;
// Match these up with the matrices provided in GameView::OnKeyPress.
bool patchPipeR = transform.a == 0 && transform.b == 1 && transform.c == -1 && transform.d == 0;
bool patchPipeH = transform.a == -1 && transform.b == 0 && transform.c == 0 && transform.d == 1;
bool patchPipeV = transform.a == 1 && transform.b == 0 && transform.c == 0 && transform.d == -1;
// rotate and translate signs, parts, walls
for (size_t i = 0; i < signs.size(); i++)
@ -449,10 +450,23 @@ void GameSave::Transform(matrix2d transform, vector2d translate, vector2d transl
vel = m2d_multiply_v2d(transform, vel);
particles[i].vx = vel.x;
particles[i].vy = vel.y;
if (patchPipe90 && (particles[i].type == PT_PIPE || particles[i].type == PT_PPIP))
if (particles[i].type == PT_PIPE || particles[i].type == PT_PPIP)
{
void Element_PIPE_patch90(Particle &part);
Element_PIPE_patch90(particles[i]);
if (patchPipeR)
{
void Element_PIPE_patchR(Particle &part);
Element_PIPE_patchR(particles[i]);
}
if (patchPipeH)
{
void Element_PIPE_patchH(Particle &part);
Element_PIPE_patchH(particles[i]);
}
if (patchPipeV)
{
void Element_PIPE_patchV(Particle &part);
Element_PIPE_patchV(particles[i]);
}
}
}

37
src/simulation/elements/PIPE.cpp
View File

@ -83,15 +83,38 @@ constexpr int PPIP_TMPFLAG_TRIGGERS = 0x1C000000;
signed char pos_1_rx[] = { -1,-1,-1, 0, 0, 1, 1, 1 };
signed char pos_1_ry[] = { -1, 0, 1,-1, 1,-1, 0, 1 };
int pos_1_patch90[] = { 2, 4, 7, 1, 6, 0, 3, 5 };
void Element_PIPE_patch90(Particle &part)
static void transformPatch(Particle &part, const int (&patch)[8])
{
auto oldDirForward = (part.tmp & 0x00001C00) >> 10;
auto newDirForward = pos_1_patch90[oldDirForward];
auto oldDirReverse = (part.tmp & 0x0001C000) >> 14;
auto newDirReverse = pos_1_patch90[oldDirReverse];
part.tmp = (part.tmp & 0xFFFE23FF) | (newDirForward << 10) | (newDirReverse << 14);
if (part.tmp & 0x00000200) part.tmp = (part.tmp & 0xFFFFE3FF) | (patch[(part.tmp & 0x00001C00) >> 10] << 10);
if (part.tmp & 0x00002000) part.tmp = (part.tmp & 0xFFFE3FFF) | (patch[(part.tmp & 0x0001C000) >> 14] << 14);
}
void Element_PIPE_patchR(Particle &part)
{
// 035 -> 210
// 1 6 -> 4 3
// 247 -> 765
const int patchR[] = { 2, 4, 7, 1, 6, 0, 3, 5 };
transformPatch(part, patchR);
}
void Element_PIPE_patchH(Particle &part)
{
// 035 -> 530
// 1 6 -> 6 1
// 247 -> 742
const int patchH[] = { 5, 6, 7, 3, 4, 0, 1, 2 };
transformPatch(part, patchH);
}
void Element_PIPE_patchV(Particle &part)
{
// 035 -> 247
// 1 6 -> 1 6
// 247 -> 035
const int patchV[] = { 2, 1, 0, 4, 3, 7, 6, 5 };
transformPatch(part, patchV);
}
static unsigned int prevColor(unsigned int flags)