Hot metal glow for more views

2 files changed, 25 insertions, 3 deletions

diff --git a/includes/powder.h b/includes/powder.h
index 960a5ad..38d3d38 100644
--- a/includes/powder.h
+++ b/includes/powder.h
@@ -203,6 +203,7 @@
 #define PROP_NEUTABSORB		0x0100 //256 Absorbs neutrons, reflect is default
 #define PROP_NEUTPASS		0x0200 //512 Neutrons pass through, such as with glass
 #define PROP_DEADLY			0x0400 //1024 Is deadly for stickman.
+#define PROP_HOT_GLOW		0x0800 //2048 Hot Metal Glow
 #define FLAG_STAGNANT	1
 
 struct particle
@@ -284,7 +285,7 @@ static const part_type ptypes[PT_NUM] =
     {"C-4",		PIXPACK(0xD080E0),	0.0f,	0.00f * CFDS,	0.90f,	0.00f,	0.0f,	0.0f,	0.00f,	0.000f	* CFDS,	0,	1000,	2,	50,	1,	1,	100,	SC_EXPLOSIVE,	R_TEMP+0.0f	+273.15f,	88,		"Solid. Pressure sensitive explosive.", TYPE_SOLID | PROP_NEUTPENETRATE, NULL},
     {"GOO",		PIXPACK(0x804000),	0.1f,	0.00f * CFDS,	0.97f,	0.50f,	0.0f,	0.0f,	0.00f,	0.000f	* CFDS,	0,	0,		0,	0,	12,	1,	100,	SC_SOLIDS,		R_TEMP+0.0f	+273.15f,	75,		"Solid. Deforms and disappears under pressure.", TYPE_SOLID | PROP_NEUTPENETRATE, NULL},
     {"ICE",		PIXPACK(0xA0C0FF),	0.0f,	0.00f * CFDS,	0.90f,	0.00f,	0.0f,	0.0f,	0.00f,	-0.0003f* CFDS,	0,	0,		0,	0,	20,	1,	100,	SC_SOLIDS,		R_TEMP-50.0f+273.15f,	46,		"Solid. Freezes water. Crushes under pressure. Cools down air.", TYPE_SOLID, NULL},
-    {"METL",	PIXPACK(0x404060),	0.0f,	0.00f * CFDS,	0.90f,	0.00f,	0.0f,	0.0f,	0.00f,	0.000f	* CFDS,	0,	0,		0,	1,	1,	1,	100,	SC_ELEC,		R_TEMP+0.0f	+273.15f,	251,	"Solid. Conducts electricity. Meltable.", TYPE_SOLID|PROP_CONDUCTS, NULL},
+    {"METL",	PIXPACK(0x404060),	0.0f,	0.00f * CFDS,	0.90f,	0.00f,	0.0f,	0.0f,	0.00f,	0.000f	* CFDS,	0,	0,		0,	1,	1,	1,	100,	SC_ELEC,		R_TEMP+0.0f	+273.15f,	251,	"Solid. Conducts electricity. Meltable.", TYPE_SOLID|PROP_CONDUCTS|PROP_HOT_GLOW, NULL},
     {"SPRK",	PIXPACK(0xFFFF80),	0.0f,	0.00f * CFDS,	0.90f,	0.00f,	0.0f,	0.0f,	0.00f,	0.001f	* CFDS,	0,	0,		0,	0,	1,	1,	100,	SC_ELEC,		R_TEMP+0.0f	+273.15f,	251,	"Electricity. Conducted by metal and water.", TYPE_SOLID, NULL},
     {"SNOW",	PIXPACK(0xC0E0FF),	0.7f,	0.01f * CFDS,	0.96f,	0.90f,	-0.1f,	0.05f,	0.01f,	-0.00005f* CFDS,1,	0,		0,	0,	20,	1,	50,		SC_POWDERS,		R_TEMP-30.0f+273.15f,	46,		"Light particles.", TYPE_PART, NULL},
     {"WOOD",	PIXPACK(0xC0A040),	0.0f,	0.00f * CFDS,	0.90f,	0.00f,	0.0f,	0.0f,	0.00f,	0.000f	* CFDS,	0,	20,		0,	0,	15,	1,	100,	SC_SOLIDS,		R_TEMP+0.0f	+273.15f,	164,	"Solid. Flammable.", TYPE_SOLID, NULL},
@@ -299,8 +300,8 @@ static const part_type ptypes[PT_NUM] =
     {"SALT",	PIXPACK(0xFFFFFF),	0.4f,	0.04f * CFDS,	0.94f,	0.95f,	-0.1f,	0.3f,	0.00f,	0.000f	* CFDS,	1,	0,		0,	5,	1,	1,	75,		SC_POWDERS,		R_TEMP+0.0f	+273.15f,	110,	"Salt, dissolves in water.", TYPE_PART, NULL},
     {"SLTW",	PIXPACK(0x4050F0),	0.6f,	0.01f * CFDS,	0.98f,	0.95f,	0.0f,	0.1f,	0.00f,	0.000f	* CFDS,	2,	0,		0,	0,	20,	1,	35,		SC_LIQUID,		R_TEMP+0.0f	+273.15f,	75,		"Saltwater, conducts electricity, difficult to freeze.", TYPE_LIQUID|PROP_CONDUCTS|PROP_NEUTPENETRATE, NULL},
     {"DMND",	PIXPACK(0xCCFFFF),	0.0f,	0.00f * CFDS,	0.90f,	0.00f,	0.0f,	0.0f,	0.00f,	0.000f	* CFDS,	0,	0,		0,	0,	0,	1,	100,	SC_SPECIAL,		R_TEMP+0.0f	+273.15f,	186,	"Diamond. Indestructable.", TYPE_SOLID, NULL}, //ief015 - Added diamond. Because concrete blocks are kinda pointless.
-    {"BMTL",	PIXPACK(0x505070),	0.0f,	0.00f * CFDS,	0.90f,	0.00f,	0.0f,	0.0f,	0.00f,	0.000f	* CFDS,	0,	0,		0,	1,	1,	1,	100,	SC_SOLIDS,		R_TEMP+0.0f	+273.15f,	251,	"Breakable metal.", TYPE_SOLID|PROP_CONDUCTS, NULL},
-    {"BRMT",	PIXPACK(0x705060),	0.4f,	0.04f * CFDS,	0.94f,	0.95f,	-0.1f,	0.3f,	0.00f,	0.000f	* CFDS,	1,	0,		0,	2,	2,	1,	90,		SC_POWDERS,		R_TEMP+0.0f	+273.15f,	211,	"Broken metal.", TYPE_PART|PROP_CONDUCTS, NULL},
+    {"BMTL",	PIXPACK(0x505070),	0.0f,	0.00f * CFDS,	0.90f,	0.00f,	0.0f,	0.0f,	0.00f,	0.000f	* CFDS,	0,	0,		0,	1,	1,	1,	100,	SC_SOLIDS,		R_TEMP+0.0f	+273.15f,	251,	"Breakable metal.", TYPE_SOLID|PROP_CONDUCTS|PROP_HOT_GLOW, NULL},
+    {"BRMT",	PIXPACK(0x705060),	0.4f,	0.04f * CFDS,	0.94f,	0.95f,	-0.1f,	0.3f,	0.00f,	0.000f	* CFDS,	1,	0,		0,	2,	2,	1,	90,		SC_POWDERS,		R_TEMP+0.0f	+273.15f,	211,	"Broken metal.", TYPE_PART|PROP_CONDUCTS|PROP_HOT_GLOW, NULL},
     {"PHOT",	PIXPACK(0xFFFFFF),	0.0f,	0.00f * CFDS,	1.00f,	1.00f,	-0.99f,	0.0f,	0.00f,	0.000f	* CFDS,	0,	0,		0,	0,	0,	1,	-1,		SC_ELEC,		R_TEMP+900.0f+273.15f,	251,	"Photons. Travel in straight lines.", TYPE_ENERGY, NULL},
     {"URAN",	PIXPACK(0x707020),	0.4f,	0.01f * CFDS,	0.99f,	0.95f,	0.0f,	0.4f,	0.00f,	0.000f	* CFDS,	1,	0,		0,	0,	0,	1,	90,		SC_NUCLEAR,		R_TEMP+30.0f+273.15f,	251,	"Heavy particles. Generates heat under pressure.", TYPE_PART, NULL},
     {"WAX",		PIXPACK(0xF0F0BB),  0.0f,	0.00f * CFDS,	0.90f,	0.00f,	0.0f,	0.0f,	0.00f,	0.000f	* CFDS,	0,	0,		0,	0,	10,	1,	100,	SC_SOLIDS,		R_TEMP+0.0f	+273.15f,	44,		"Wax. Melts at moderately high temperatures.", TYPE_SOLID, NULL},
diff --git a/src/graphics.c b/src/graphics.c
index 7a79651..b74646e 100644
--- a/src/graphics.c
+++ b/src/graphics.c
@@ -2474,6 +2474,27 @@ void draw_parts(pixel *vid)
 					}
 
 				}
+				else if(ptypes[t].properties&PROP_HOT_GLOW && parts[i].temp>473.0f)
+				{
+					float frequency = 0.00146;
+					int q = (parts[i].temp>1370)?1370-473:parts[i].temp-473;
+					cr = sin(frequency*q) * 226 + PIXR(ptypes[t].pcolors);
+					cg = sin(frequency*q*4.55 +3.14) * 34 + PIXG(ptypes[t].pcolors);
+					cb = sin(frequency*q*2.22 +3.14) * 64 + PIXB(ptypes[t].pcolors);
+					if(cr>=255)
+						cr = 255;
+					if(cg>=255)
+						cg = 255;
+					if(cb>=255)
+						cb = 255;
+					if(cr<=0)
+						cr = 0;
+					if(cg<=0)
+						cg = 0;
+					if(cb<=0)
+						cb = 0;
+					blendpixel(vid, nx, ny, cr, cg, cb, 255);
+				}
                 else if(t==PT_FIRE && parts[i].life)
                 {
                     float ttemp = (float)((int)(parts[i].life/2));