gol2 array is static size, adding new GoL won't increase memory usage.

1 files changed, 24 insertions, 6 deletions

diff --git a/src/simulation/Simulation.cpp b/src/simulation/Simulation.cpp
index 577da93..699a611 100644
--- a/src/simulation/Simulation.cpp
+++ b/src/simulation/Simulation.cpp
@@ -3560,8 +3560,22 @@ void Simulation::update_particles_i(int start, int inc)
 								rt = pmap[ady][adx];
 								if (!rt || (rt&0xFF)==PT_LIFE)
 								{
-									gol2[ady][adx][golnum] ++;
+									//the total neighbor count is in 0
 									gol2[ady][adx][0] ++;
+									//insert golnum into neighbor table
+									for ( i=1; i<9; i++)
+									{
+										if (!gol2[ady][adx][i])
+										{
+											gol2[ady][adx][i] = (golnum<<4)+1;
+											break;
+										}
+										else if((gol2[ady][adx][i]>>4)==golnum)
+										{
+											gol2[ady][adx][i]++;
+											break;
+										}
+									}
 								}
 							}
 						}
@@ -3585,21 +3599,25 @@ void Simulation::update_particles_i(int start, int inc)
 					if (!r)
 					{
 						//Find which type we can try and create
-						for (golnum = 1; golnum<=NGOL; golnum++)
+						int creategol = 0xFF;
+						for ( i=1; i<9; i++)
 						{
-							if (grule[golnum][neighbors]>=2 && gol2[ny][nx][golnum]>=(neighbors%2)+neighbors/2)
+							if (!gol2[ny][nx][i]) break;
+							golnum = (gol2[ny][nx][i]>>4);
+							if (grule[golnum][neighbors]>=2 && (gol2[ny][nx][i]&0xF)>=(neighbors%2)+neighbors/2)
 							{
-								create_part(-1, nx, ny, PT_LIFE|((golnum-1)<<8));
-								break;
+								if (golnum<creategol) creategol=golnum;
 							}
 						}
+						if (creategol<0xFF)
+							create_part(-1, nx, ny, PT_LIFE|((creategol-1)<<8));
 					}
 					else if (grule[golnum][neighbors-1]==0 || grule[golnum][neighbors-1]==2)//subtract 1 because it counted itself
 					{
 						if (parts[r>>8].tmp==grule[golnum][9]-1)
 							parts[r>>8].tmp --;
 					}
-					for ( z = 0; z<=NGOL; z++)
+					for ( z = 0; z<9; z++)
 						gol2[ny][nx][z] = 0;//this improves performance A LOT compared to the memset, i was getting ~23 more fps with this.
 				}
 				//we still need to kill things with 0 neighbors (higher state life)