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Allow creating heat pipes by replacing BRCK with HEAC before color generation

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Uses same flood-fill function as PPIP. Only runs before pipe is initialized, to prevent breaking older saves that may have HEAC next to pipe.
This commit is contained in:
jacob1
2025-02-27 00:04:28 -05:00
parent 5ad7f35b02
commit 38b7111821
2 changed files with 19 additions and 7 deletions
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8
src/simulation/elements/PIPE.cpp
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@@ -170,6 +170,7 @@ int Element_PIPE_update(UPDATE_FUNC_ARGS)
int lastneighbor = -1;
int neighborcount = 0;
int count = 0;
bool heatPipe = false;
// make automatic pipe pattern
for (auto rx = -1; rx <= 1; rx++)
{
@@ -181,6 +182,11 @@ int Element_PIPE_update(UPDATE_FUNC_ARGS)
auto r = pmap[y+ry][x+rx];
if (!r)
continue;
if (TYP(r) == PT_HEAC)
{
heatPipe = true;
continue;
}
if (TYP(r) != PT_PIPE && TYP(r) != PT_PPIP)
continue;
unsigned int next = nextColor(parts[i].tmp);
@@ -213,6 +219,8 @@ int Element_PIPE_update(UPDATE_FUNC_ARGS)
}
if (neighborcount == 1)
parts[lastneighbor].tmp |= 0x100;
if (heatPipe)
Element_PPIP_flood_trigger(sim, x, y, PT_HEAC);
}
else
{

18
src/simulation/elements/PPIP.cpp
View File

@@ -72,6 +72,9 @@ void Element_PPIP_flood_trigger(Simulation * sim, int x, int y, int sparkedBy)
Particle * parts = sim->parts;
int (*pmap)[XRES] = sim->pmap;
int t = TYP(pmap[y][x]);
if (t != PT_PIPE && t != PT_PPIP)
return;
// Separate flags for on and off in case PPIP is sparked by PSCN and NSCN on the same frame
// - then PSCN can override NSCN and behaviour is not dependent on particle order
@@ -79,8 +82,9 @@ void Element_PPIP_flood_trigger(Simulation * sim, int x, int y, int sparkedBy)
if (sparkedBy==PT_PSCN) prop = PPIP_TMPFLAG_TRIGGER_ON << 3;
else if (sparkedBy==PT_NSCN) prop = PPIP_TMPFLAG_TRIGGER_OFF << 3;
else if (sparkedBy==PT_INST) prop = PPIP_TMPFLAG_TRIGGER_REVERSE << 3;
else if (sparkedBy == PT_HEAC) prop = PFLAG_CAN_CONDUCT; // Special case for HEAC near pipe
if (prop==0 || TYP(pmap[y][x])!=PT_PPIP || (parts[ID(pmap[y][x])].tmp & prop))
if (prop == 0 || (t != PT_PPIP && sparkedBy != PT_HEAC) || (parts[ID(pmap[y][x])].tmp & prop))
return;
coord_stack = new unsigned short[coord_stack_limit][2];
@@ -97,7 +101,7 @@ void Element_PPIP_flood_trigger(Simulation * sim, int x, int y, int sparkedBy)
// go left as far as possible
while (x1>=CELL)
{
if (TYP(pmap[y][x1-1]) != PT_PPIP)
if (TYP(pmap[y][x1-1]) != t)
{
break;
}
@@ -106,7 +110,7 @@ void Element_PPIP_flood_trigger(Simulation * sim, int x, int y, int sparkedBy)
// go right as far as possible
while (x2<XRES-CELL)
{
if (TYP(pmap[y][x2+1]) != PT_PPIP)
if (TYP(pmap[y][x2+1]) != t)
{
break;
}
@@ -115,8 +119,8 @@ void Element_PPIP_flood_trigger(Simulation * sim, int x, int y, int sparkedBy)
// fill span
for (x=x1; x<=x2; x++)
{
if (!(parts[ID(pmap[y][x])].tmp & prop))
Element_PPIP_ppip_changed = 1;
if (!(parts[ID(pmap[y][x])].tmp & prop) && sparkedBy != PT_HEAC)
Element_PPIP_ppip_changed = 1;
parts[ID(pmap[y][x])].tmp |= prop;
}
@@ -125,7 +129,7 @@ void Element_PPIP_flood_trigger(Simulation * sim, int x, int y, int sparkedBy)
// Don't need to check x bounds here, because already limited to [CELL, XRES-CELL]
if (y>=CELL+1)
for (x=x1-1; x<=x2+1; x++)
if (TYP(pmap[y-1][x]) == PT_PPIP && !(parts[ID(pmap[y-1][x])].tmp & prop))
if (TYP(pmap[y-1][x]) == t && !(parts[ID(pmap[y-1][x])].tmp & prop))
{
coord_stack[coord_stack_size][0] = x;
coord_stack[coord_stack_size][1] = y-1;
@@ -138,7 +142,7 @@ void Element_PPIP_flood_trigger(Simulation * sim, int x, int y, int sparkedBy)
}
if (y<YRES-CELL-1)
for (x=x1-1; x<=x2+1; x++)
if (TYP(pmap[y+1][x]) == PT_PPIP && !(parts[ID(pmap[y+1][x])].tmp & prop))
if (TYP(pmap[y+1][x]) == t && !(parts[ID(pmap[y+1][x])].tmp & prop))
{
coord_stack[coord_stack_size][0] = x;
coord_stack[coord_stack_size][1] = y+1;