Some more function pointers

1 files changed, 160 insertions, 0 deletions

diff --git a/src/elements/shld.c b/src/elements/shld.c
new file mode 100644
index 0000000..940fa08
--- /dev/null
+++ b/src/elements/shld.c
@@ -0,0 +1,160 @@
+#include <powder.h>
+
+int update_SHLD1(UPDATE_FUNC_ARGS) {
+	int r, nnx, nny;
+	for (nx=-1; nx<2; nx++)
+		for (ny=-1; ny<2; ny++)
+			if (x+nx>=0 && y+ny>0 &&
+			        x+nx<XRES && y+ny<YRES && (nx || ny))
+			{
+				r = pmap[y+ny][x+nx];
+				if ((r>>8)>=NPART || !r)
+					continue;
+				else if (parts[r>>8].type==PT_SPRK&&parts[i].life==0)
+					for ( nnx=-1; nnx<2; nnx++)
+						for ( nny=-1; nny<2; nny++)
+						{
+							if (7>rand()%200&&parts[i].life==0)
+							{
+								parts[i].type = PT_SHLD2;
+								parts[i].life = 7;
+							}
+							else if (!pmap[y+ny+nny][x+nx+nnx])
+							{
+								create_part(-1,x+nx+nnx,y+ny+nny,PT_SHLD1);
+								//parts[pmap[y+ny+nny][x+nx+nnx]>>8].life=7;
+							}
+						}
+				else if (parts[r>>8].type==PT_SHLD3&&4>rand()%10)
+				{
+					parts[i].type=PT_SHLD2;
+					parts[i].life = 7;
+				}
+			}
+	return 0;
+}
+
+int update_SHLD2(UPDATE_FUNC_ARGS) {
+	int r, nnx, nny;
+	for (nx=-1; nx<2; nx++)
+		for (ny=-1; ny<2; ny++)
+			if (x+nx>=0 && y+ny>0 &&
+			        x+nx<XRES && y+ny<YRES && (nx || ny))
+			{
+				r = pmap[y+ny][x+nx];
+				if ((r>>8)>=NPART)
+					continue;
+				if (!r && parts[i].life>0)
+					create_part(-1,x+nx,y+ny,PT_SHLD1);
+				if (!r)
+					continue;
+				else if (parts[r>>8].type==PT_SPRK&&parts[i].life==0)
+					for ( nnx=-1; nnx<2; nnx++)
+						for ( nny=-1; nny<2; nny++)
+						{
+							if (3>rand()%200&&parts[i].life==0)
+							{
+								parts[i].type = PT_SHLD3;
+								parts[i].life = 7;
+							}
+							else if (!pmap[y+ny+nny][x+nx+nnx])
+							{
+								create_part(-1,x+nx+nnx,y+ny+nny,PT_SHLD1);
+								parts[pmap[y+ny+nny][x+nx+nnx]>>8].life=7;
+							}
+						}
+				else if (parts[r>>8].type==PT_SHLD4&&4>rand()%10)
+				{
+					parts[i].type=PT_SHLD3;
+					parts[i].life = 7;
+				}
+			}
+	return 0;
+}
+
+int update_SHLD3(UPDATE_FUNC_ARGS) {
+	int r, nnx, nny;
+	for (nx=-1; nx<2; nx++)
+		for (ny=-1; ny<2; ny++)
+			if (x+nx>=0 && y+ny>0 &&
+			        x+nx<XRES && y+ny<YRES && (nx || ny))
+			{
+				r = pmap[y+ny][x+nx];
+				if ((r>>8)>=NPART)
+					continue;
+				if (!r)
+				{
+					if (1>rand()%2500)
+					{
+						create_part(-1,x+nx,y+ny,PT_SHLD1);
+						parts[pmap[y+ny][x+nx]>>8].life=7;
+						parts[i].type = PT_SHLD2;
+					}
+					else
+						continue;
+
+				}
+				if (parts[r>>8].type==PT_SHLD1 && parts[i].life>3)
+				{
+					parts[r>>8].type = PT_SHLD2;
+					parts[r>>8].life=7;
+				}
+				else if (parts[r>>8].type==PT_SPRK&&parts[i].life==0)
+					for ( nnx=-1; nnx<2; nnx++)
+						for ( nny=-1; nny<2; nny++)
+						{
+							if (2>rand()%3000&&parts[i].life==0)
+							{
+								parts[i].type = PT_SHLD4;
+								parts[i].life = 7;
+							}
+							else if (!pmap[y+ny+nny][x+nx+nnx])
+							{
+								create_part(-1,x+nx+nnx,y+ny+nny,PT_SHLD1);
+								parts[pmap[y+ny+nny][x+nx+nnx]>>8].life=7;
+							}
+						}
+			}
+	return 0;
+}
+
+int update_SHLD4(UPDATE_FUNC_ARGS) {
+	int r, nnx, nny;
+	for (nx=-1; nx<2; nx++)
+		for (ny=-1; ny<2; ny++)
+			if (x+nx>=0 && y+ny>0 &&
+			        x+nx<XRES && y+ny<YRES && (nx || ny))
+			{
+				r = pmap[y+ny][x+nx];
+				if ((r>>8)>=NPART)
+					continue;
+				if (!r)
+				{
+					if (1>rand()%5500)
+					{
+						create_part(-1,x+nx,y+ny,PT_SHLD1);
+						parts[pmap[y+ny][x+nx]>>8].life=7;
+						parts[i].type = PT_SHLD2;
+					}
+					else
+						continue;
+
+				}
+				if (parts[r>>8].type==PT_SHLD2 && parts[i].life>3)
+				{
+					parts[r>>8].type = PT_SHLD3;
+					parts[r>>8].life = 7;
+				}
+				else if (parts[r>>8].type==PT_SPRK&&parts[i].life==0)
+					for ( nnx=-1; nnx<2; nnx++)
+						for ( nny=-1; nny<2; nny++)
+						{
+							if (!pmap[y+ny+nny][x+nx+nnx])
+							{
+								create_part(-1,x+nx+nnx,y+ny+nny,PT_SHLD1);
+								parts[pmap[y+ny+nny][x+nx+nnx]>>8].life=7;
+							}
+						}
+			}
+	return 0;
+}