Elements, LIGH, TESC, EMP and DEST thanks to MaksProg

1 files changed, 260 insertions, 0 deletions

diff --git a/src/elements/ligh.c b/src/elements/ligh.c
new file mode 100644
index 0000000..7ce780a
--- /dev/null
+++ b/src/elements/ligh.c
@@ -0,0 +1,260 @@
+#include <element.h>
+
+int contact_part(int i, int tp)
+{
+    int x=parts[i].x, y=parts[i].y;
+    int r,rx,ry;
+    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>>8)>=NPART || !r)
+					continue;
+                if ((r&0xFF)==tp)
+                    return r>>8;
+			}
+    return -1;
+}
+
+void create_line_par(int x1, int y1, int x2, int y2, int c, int temp, int life, int tmp, int tmp2)
+{
+    if (c==WL_EHOLE || c==WL_ALLOWGAS || c==WL_ALLOWALLELEC || c==WL_ALLOWSOLID || c==WL_ALLOWAIR || c==WL_WALL || c==WL_DESTROYALL || c==WL_ALLOWLIQUID || c==WL_FAN || c==WL_STREAM || c==WL_DETECT || c==WL_EWALL || c==WL_WALLELEC)
+        return; // this function only for particles, no walls
+    int cp=abs(y2-y1)>abs(x2-x1), x, y, dx, dy, sy;
+	float e, de;
+	if (cp)
+	{
+		y = x1;
+		x1 = y1;
+		y1 = y;
+		y = x2;
+		x2 = y2;
+		y2 = y;
+	}
+	if (x1 > x2)
+	{
+		y = x1;
+		x1 = x2;
+		x2 = y;
+		y = y1;
+		y1 = y2;
+		y2 = y;
+	}
+	dx = x2 - x1;
+	dy = abs(y2 - y1);
+	e = 0.0f;
+	if (dx)
+		de = dy/(float)dx;
+	else
+		de = 0.0f;
+	y = y1;
+	sy = (y1<y2) ? 1 : -1;
+	for (x=x1; x<=x2; x++)
+	{
+	    int p;
+		if (cp)
+			p=create_part(-1, y, x, c);
+		else
+			p=create_part(-1, x, y,c);
+        if (p!=-1)
+        {
+            parts[p].life=life;
+            parts[p].temp=temp;
+            parts[p].tmp=tmp;
+            parts[p].tmp2=tmp2;
+        }
+		e += de;
+		if (e >= 0.5f)
+		{
+			y += sy;
+			e -= 1.0f;
+		}
+	}
+}
+
+int update_LIGH(UPDATE_FUNC_ARGS)
+{
+    /*tmp2:
+    -1 - part will be removed
+    0 -
+    1 -
+    2 -
+    */
+	int r,rx,ry, multipler, powderful=parts[i].temp*(1+parts[i].life/40)/2;
+	hv[y/CELL][x/CELL]+=powderful/40;
+	if (hv[y/CELL][x/CELL]>MAX_TEMP)
+        hv[y/CELL][x/CELL]=MAX_TEMP;
+    for (rx=-2; rx<3; rx++) // destruction
+        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>>8)>=NPART || !r)
+					continue;
+                if ((r&0xFF)!=PT_LIGH)
+				{
+				    if (parts[i].tmp2==3)
+				    {
+				    if ((ptypes[r&0xFF].properties&PROP_CONDUCTS) && parts[r>>8].life==0 && parts[r>>8].ctype!=PT_SPRK)
+				    {
+                        parts[r>>8].ctype = parts[r>>8].type;
+                        part_change_type(r>>8,x+rx,y+ry,PT_SPRK);
+                        parts[r>>8].life = 4;
+
+                        pv[y/CELL][x/CELL] += powderful/1200;
+                        parts[r>>8].temp+=powderful/20;
+                    }
+                    else if ((r&0xFF)!=PT_CLNE&&(r&0xFF)!=PT_THDR&&(r&0xFF)!=PT_SPRK&&(r&0xFF)!=PT_DMND&&(r&0xFF)!=PT_FIRE&&(r&0xFF)!=PT_NEUT&&(r&0xFF)!=PT_PHOT)
+                    {
+                        pv[y/CELL][x/CELL] += powderful/110;
+                        parts[r>>8].temp+=powderful/1.5;
+                    }
+                    if ((r&0xFF)==PT_DEUT || (r&0xFF)==PT_PLUT)
+                    {
+                        parts[r>>8].temp+=powderful;
+                        pv[y/CELL][x/CELL] +=powderful/35;
+                        if (rand()%3==0)
+                        {
+                            part_change_type(r>>8,x+rx,y+ry,PT_NEUT);
+                            parts[r>>8].vx=rand()%10-5;
+                            parts[r>>8].vy=rand()%10-5;
+                        }
+                    }
+				    }
+				    if ((r&0xFF)!=PT_CLNE&&(r&0xFF)!=PT_THDR&&(r&0xFF)!=PT_SPRK&&(r&0xFF)!=PT_DMND&&(r&0xFF)!=PT_FIRE&&(r&0xFF)!=PT_NEUT&&(r&0xFF)!=PT_PHOT)
+                        parts[r>>8].temp+=powderful/16;
+                    else
+                        parts[r>>8].temp+=powderful/70;
+				}
+            }
+    if (parts[i].tmp2==3)
+    {
+        //if (rand()&1)
+            parts[i].tmp2=1;
+        /*else
+            parts[i].tmp2=0;*/
+        return 1;
+    }
+
+	if (parts[i].tmp2==-1)
+	{
+	    kill_part(i);
+        return 0;
+	}
+	if (parts[i].tmp2<=0 || parts[i].life<=1)
+	{
+	    /*if (parts[i].tmp2!=3 && rand()%3000<400/(parts[i].life+1))
+        {
+            parts[i].tmp2=1;
+            return 1;
+        }*/
+	    if (parts[i].tmp2>0)
+            parts[i].tmp2=0;
+	    parts[i].tmp2--;
+        return 1;
+	}
+	if (parts[i].tmp2<=-2)
+	{
+	    killpart(i);
+	    return 0;
+	}
+
+	float angle, angle2=-1;
+
+	int near=nearest_part(i, -1, parts[i].life*3.5);
+	if (near!=-1 && (parts[near].type==PT_LIGH || parts[near].type==PT_THDR || parts[near].type==PT_NEUT))
+        near=-1;
+	if (near!=-1)
+	{
+	    int t=parts[near].type;
+
+        rx=parts[near].x-x;
+        ry=parts[near].y-y;
+        if (asin(ry-sqrt(rx*rx+ry*ry))<M_PI*2/3)
+        {
+            create_line_par(x, y, x+rx, y+ry, PT_LIGH, parts[i].temp, parts[i].life, parts[i].tmp-90, 0);
+
+        /*if (t!=PT_DMND && t!=PT_UDMT && t!=PT_TESC && parts[i].temp-300>rand()%2000)
+        {
+            part_change_type(near, x+rx, y+ry, PT_LIGH);
+            parts[near].tmp2=3;
+            parts[near].life=(int)(1.0*parts[i].life/2-1);
+            parts[near].tmp=parts[i].tmp-180;
+            parts[near].temp=parts[i].temp;
+        }*/
+            if (t!=PT_TESC)
+            {
+                near=contact_part(near, PT_LIGH);
+                if (near!=-1)
+                {
+                    parts[near].tmp2=3;
+                    parts[near].life=(int)(1.0*parts[i].life/2-1);
+                    parts[near].tmp=parts[i].tmp-180;
+                    parts[near].temp=parts[i].temp;
+                }
+            }
+        }
+        else near=-1;
+	}
+
+	//if (parts[i].tmp2==1/* || near!=-1*/)
+    angle=parts[i].tmp-30+rand()%60;
+    if (angle<0)
+        angle+=360;
+    if (angle>=360)
+        angle-=360;
+	if (parts[i].tmp2==2)
+	{
+        angle2=angle+100-rand()%200;
+        if (angle2<0)
+            angle2+=360;
+        if (angle2>=360)
+            angle-=360;
+        /*angle=parts[i].tmp-70+rand()%50;
+        if (angle<0)
+            angle+=360;
+        if (angle>=360)
+            angle-=360;*/
+	}
+
+	multipler=parts[i].life*1.5+rand()%((int)(parts[i].life+1));
+    rx=cos(angle*M_PI/180)*multipler;
+    ry=-sin(angle*M_PI/180)*multipler;
+	create_line_par(x, y, x+rx, y+ry, PT_LIGH, parts[i].temp, parts[i].life, angle, 0);
+
+	if (x+rx>=0 && y+ry>0 && x+rx<XRES && y+ry<YRES && (rx || ry))
+	{
+	    r = pmap[y+ry][x+rx];
+        if (!((r>>8)>=NPART || !r))
+        {
+            parts[r>>8].tmp2=1+(rand()%200>parts[i].tmp2*parts[i].tmp2/10+60);
+            parts[r>>8].life=(int)(1.0*parts[i].life/1.5-rand()%2);
+            parts[r>>8].tmp=angle;
+            parts[r>>8].temp=parts[i].temp;
+        }
+	}
+
+	if (angle2!=-1)
+	{
+	    multipler=parts[i].life*1.5+rand()%((int)(parts[i].life+1));
+        rx=cos(angle2*M_PI/180)*multipler;
+        ry=-sin(angle2*M_PI/180)*multipler;
+        create_line_par(x, y, x+rx, y+ry, PT_LIGH, parts[i].temp, parts[i].life, angle2, 0);
+
+        if (x+rx>=0 && y+ry>0 && x+rx<XRES && y+ry<YRES && (rx || ry))
+        {
+            r = pmap[y+ry][x+rx];
+            if (!((r>>8)>=NPART || !r))
+            {
+                parts[r>>8].tmp2=1+(rand()%200>parts[i].tmp2*parts[i].tmp2/10+40);
+                parts[r>>8].life=(int)(1.0*parts[i].life/1.5-rand()%2);
+                parts[r>>8].tmp=angle;
+                parts[r>>8].temp=parts[i].temp;
+            }
+        }
+	}
+
+    parts[i].tmp2=-1;
+	return 1;
+}