summaryrefslogtreecommitdiff
path: root/elements/gpmp.cpp
diff options
context:
space:
mode:
authorSimon Robertshaw <simon@hardwired.org.uk>2012-01-08 17:39:03 (GMT)
committer Simon Robertshaw <simon@hardwired.org.uk>2012-01-08 17:39:03 (GMT)
commitb0ea52690ba56a0d0602ad8674b7e5ab2ba3e778 (patch)
tree7d72e0509f4d2643d3be837a337d088ca5949c73 /elements/gpmp.cpp
downloadpowder-b0ea52690ba56a0d0602ad8674b7e5ab2ba3e778.zip
powder-b0ea52690ba56a0d0602ad8674b7e5ab2ba3e778.tar.gz
Initial
Diffstat (limited to 'elements/gpmp.cpp')
-rw-r--r--elements/gpmp.cpp34
1 files changed, 34 insertions, 0 deletions
diff --git a/elements/gpmp.cpp b/elements/gpmp.cpp
new file mode 100644
index 0000000..dcde7a9
--- /dev/null
+++ b/elements/gpmp.cpp
@@ -0,0 +1,34 @@
+#include "element.h"
+
+int update_GPMP(UPDATE_FUNC_ARGS) {
+ int r, rx, ry;
+ if (parts[i].life>0 && parts[i].life!=10)
+ parts[i].life--;
+ if (parts[i].life==10)
+ {
+ if (parts[i].temp>=256.0+273.15)
+ parts[i].temp=256.0+273.15;
+ if (parts[i].temp<= -256.0+273.15)
+ parts[i].temp = -256.0+273.15;
+
+ sim->gravmap[(y/CELL)*(XRES/CELL)+(x/CELL)] = 0.2f*(parts[i].temp-273.15);
+ if (y+CELL<YRES && sim->pv[y/CELL+1][x/CELL]<(parts[i].temp-273.15))
+ sim->gravmap[(y/CELL+1)*(XRES/CELL)+(x/CELL)] += 0.1f*((parts[i].temp-273.15)-sim->gravmap[(y/CELL+1)*(XRES/CELL)+(x/CELL)]);
+ for (rx=-2; rx<3; rx++)
+ for (ry=-2; ry<3; ry++)
+ if (x+rx>=0 && y+ry>0 && x+rx<XRES && y+ry<YRES && (rx || ry))
+ {
+ r = pmap[y+ry][x+rx];
+ if (!r)
+ continue;
+ if ((r&0xFF)==PT_GPMP)
+ {
+ if (parts[r>>8].life<10&&parts[r>>8].life>0)
+ parts[i].life = 9;
+ else if (parts[r>>8].life==0)
+ parts[r>>8].life = 10;
+ }
+ }
+ }
+ return 0;
+}