blob: 03d0b8286fc77847e2b6818c9cc337594396169b (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
|
#include "simulation/Elements.h"
//#TPT-Directive ElementClass Element_PPIP PT_PPIP 161
Element_PPIP::Element_PPIP()
{
Identifier = "DEFAULT_PT_PPIP";
Name = "PPIP";
Colour = PIXPACK(0x444466);
MenuVisible = 1;
MenuSection = SC_SOLIDS;
Enabled = 1;
Advection = 0.0f;
AirDrag = 0.00f * CFDS;
AirLoss = 0.95f;
Loss = 0.00f;
Collision = 0.0f;
Gravity = 0.0f;
Diffusion = 0.00f;
HotAir = 0.000f * CFDS;
Falldown = 0;
Flammable = 0;
Explosive = 0;
Meltable = 0;
Hardness = 0;
Weight = 100;
Temperature = 273.15f;
HeatConduct = 0;
Description = "Powered version of PIPE, use PSCN/NSCN to Activate/Deactivate.";
State = ST_SOLID;
Properties = TYPE_SOLID|PROP_LIFE_DEC;
LowPressure = IPL;
LowPressureTransition = NT;
HighPressure = 10.0f;
HighPressureTransition = PT_BRMT;
LowTemperature = ITL;
LowTemperatureTransition = NT;
HighTemperature = ITH;
HighTemperatureTransition = NT;
Update = &Element_PIPE::update;
Graphics = &Element_PIPE::graphics;
}
#define PFLAG_NORMALSPEED 0x00010000
// parts[].tmp flags
// trigger flags to be processed this frame (trigger flags for next frame are shifted 3 bits to the left):
#define PPIP_TMPFLAG_TRIGGER_ON 0x10000000
#define PPIP_TMPFLAG_TRIGGER_OFF 0x08000000
#define PPIP_TMPFLAG_TRIGGER_REVERSE 0x04000000
#define PPIP_TMPFLAG_TRIGGERS 0x1C000000
// current status of the pipe
#define PPIP_TMPFLAG_PAUSED 0x02000000
#define PPIP_TMPFLAG_REVERSED 0x01000000
// 0x000000FF element
// 0x00000100 is single pixel pipe
// 0x00000200 will transfer like a single pixel pipe when in forward mode
// 0x00001C00 forward single pixel pipe direction
// 0x00002000 will transfer like a single pixel pipe when in reverse mode
// 0x0001C000 reverse single pixel pipe direction
//#TPT-Directive ElementHeader Element_PPIP static int ppip_changed
int Element_PPIP::ppip_changed = 0;
//#TPT-Directive ElementHeader Element_PPIP static void flood_trigger(Simulation * sim, int x, int y, int sparkedBy)
void Element_PPIP::flood_trigger(Simulation * sim, int x, int y, int sparkedBy)
{
int coord_stack_limit = XRES*YRES;
unsigned short (*coord_stack)[2];
int coord_stack_size = 0;
int x1, x2;
Particle * parts = sim->parts;
int (*pmap)[XRES] = sim->pmap;
// 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
int prop = 0;
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;
if (prop==0 || (pmap[y][x]&0xFF)!=PT_PPIP || (parts[pmap[y][x]>>8].tmp & prop))
return;
coord_stack = new unsigned short[coord_stack_limit][2];
coord_stack[coord_stack_size][0] = x;
coord_stack[coord_stack_size][1] = y;
coord_stack_size++;
do
{
coord_stack_size--;
x = coord_stack[coord_stack_size][0];
y = coord_stack[coord_stack_size][1];
x1 = x2 = x;
// go left as far as possible
while (x1>=CELL)
{
if ((pmap[y][x1-1]&0xFF)!=PT_PPIP)
{
break;
}
x1--;
}
// go right as far as possible
while (x2<XRES-CELL)
{
if ((pmap[y][x2+1]&0xFF)!=PT_PPIP)
{
break;
}
x2++;
}
// fill span
for (x=x1; x<=x2; x++)
{
if (!(parts[pmap[y][x]>>8].tmp & prop))
ppip_changed = 1;
parts[pmap[y][x]>>8].tmp |= prop;
}
// add adjacent pixels to stack
// +-1 to x limits to include diagonally adjacent pixels
// 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 ((pmap[y-1][x]&0xFF)==PT_PPIP && !(parts[pmap[y-1][x]>>8].tmp & prop))
{
coord_stack[coord_stack_size][0] = x;
coord_stack[coord_stack_size][1] = y-1;
coord_stack_size++;
if (coord_stack_size>=coord_stack_limit)
{
delete[] coord_stack;
return;
}
}
if (y<YRES-CELL-1)
for (x=x1-1; x<=x2+1; x++)
if ((pmap[y+1][x]&0xFF)==PT_PPIP && !(parts[pmap[y+1][x]>>8].tmp & prop))
{
coord_stack[coord_stack_size][0] = x;
coord_stack[coord_stack_size][1] = y+1;
coord_stack_size++;
if (coord_stack_size>=coord_stack_limit)
{
delete[] coord_stack;
return;
}
}
} while (coord_stack_size>0);
delete[] coord_stack;
}
Element_PPIP::~Element_PPIP() {}
|
