Added Caustic gas, similar to acid, created with acid and water vapour

2 files changed, 45 insertions, 1 deletions

diff --git a/src/elements/acid.c b/src/elements/acid.c
index d6e31be..f6a816a 100644
--- a/src/elements/acid.c
+++ b/src/elements/acid.c
@@ -9,7 +9,7 @@ int update_ACID(UPDATE_FUNC_ARGS) {
 				r = pmap[y+ry][x+rx];
 				if (!r)
 					continue;
-				if ((r&0xFF)!=PT_ACID)
+				if ((r&0xFF)!=PT_ACID && (r&0xFF)!=PT_CAUS)
 				{
 					if ((r&0xFF)==PT_PLEX || (r&0xFF)==PT_NITR || (r&0xFF)==PT_GUNP || (r&0xFF)==PT_RBDM || (r&0xFF)==PT_LRBD)
 					{
@@ -18,6 +18,15 @@ int update_ACID(UPDATE_FUNC_ARGS) {
 						parts[i].life = 4;
 						parts[r>>8].life = 4;
 					}
+					else if ((r&0xFF)==PT_WTRV)
+					{
+						if(!(rand()%250))
+						{
+							part_change_type(i, x, y, PT_CAUS);
+							parts[i].life = (rand()%50)+25;
+							kill_part(r>>8);
+						}
+					}
 					else if (((r&0xFF)!=PT_CLNE && (r&0xFF)!=PT_PCLN && ptypes[r&0xFF].hardness>(rand()%1000))&&parts[i].life>=50)
 					{
 						if (parts_avg(i, r>>8,PT_GLAS)!= PT_GLAS)//GLAS protects stuff from acid
diff --git a/src/elements/caus.c b/src/elements/caus.c
new file mode 100644
index 0000000..cb7fab5
--- /dev/null
+++ b/src/elements/caus.c
@@ -0,0 +1,35 @@
+#include <element.h>
+
+int update_CAUS(UPDATE_FUNC_ARGS) {
+	int r, rx, ry, trade, np;
+	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_ACID && (r&0xFF)!=PT_CAUS)
+				{
+					if (((r&0xFF)!=PT_CLNE && (r&0xFF)!=PT_PCLN && ptypes[r&0xFF].hardness>(rand()%1000))&&parts[i].life>=50)
+					{
+						if (parts_avg(i, r>>8,PT_GLAS)!= PT_GLAS)//GLAS protects stuff from acid
+						{
+							float newtemp = ((60.0f-(float)ptypes[r&0xFF].hardness))*7.0f;
+							if(newtemp < 0){
+								newtemp = 0;
+							}
+							parts[i].temp += newtemp;
+							parts[i].life--;
+							kill_part(r>>8);
+						}
+					}
+					else if (parts[i].life<=50)
+					{
+						kill_part(i);
+						return 1;
+					}
+				}
+			}
+	return 0;
+}