add ERASEALL wall from my mod (erases walls, particles, and signs)

src/graphics/Renderer.cpp

@@ -627,6 +627,42 @@ VideoBuffer * Renderer::WallIcon(int wallID, int width, int height)
 			newTexture->SetPixel(-j+20, j, 0xFF, 0, 0, 255);
 		}
 	}
+	else if (wt == WL_ERASEALL)
+	{
+		for (int j = 0; j < height; j++)
+		{
+			int r = 100, g = 150, b = 50;
+			int rd = 1, gd = -1, bd = -1;
+			for (int i = 0; i < width; i++)
+			{
+				r += 15*rd;
+				g += 15*gd;
+				b += 15*bd;
+				if (r > 200) rd = -1;
+				if (g > 200) gd = -1;
+				if (b > 200) bd = -1;
+				if (r < 15) rd = 1;
+				if (g < 15) gd = 1;
+				if (b < 15) bd = 1;
+				int rc = std::min(150, std::max(0, r));
+				int gc = std::min(200, std::max(0, g));
+				int bc = std::min(200, std::max(0, b));
+				newTexture->SetPixel(i, j, rc, gc, bc, 255);
+			}
+		}
+		for (int j = 3; j < (width-4)/2; j++)
+		{
+			newTexture->SetPixel(j+0, j, 0xFF, 0, 0, 255);
+			newTexture->SetPixel(j+1, j, 0xFF, 0, 0, 255);
+			newTexture->SetPixel(-j+13, j, 0xFF, 0, 0, 255);
+			newTexture->SetPixel(-j+14, j, 0xFF, 0, 0, 255);
+
+			newTexture->SetPixel(j+11, j, 0xFF, 0, 0, 255);
+			newTexture->SetPixel(j+12, j, 0xFF, 0, 0, 255);
+			newTexture->SetPixel(-j+24, j, 0xFF, 0, 0, 255);
+			newTexture->SetPixel(-j+25, j, 0xFF, 0, 0, 255);
+		}
+	}
 	else if(wt == WL_STREAM)
 	{
 		for (j=0; j<height; j++)

src/simulation/Simulation.cpp

@@ -1123,7 +1123,21 @@ int Simulation::CreateWalls(int x, int y, int rx, int ry, int wall, Brush * cBru
 				}
 				if (wall == WL_GRAV || bmap[wallY][wallX] == WL_GRAV)
 					gravWallChanged = true;
-				bmap[wallY][wallX] = wall;
+
+				if (wall == WL_ERASEALL)
+				{
+					for (int i = 0; i < CELL; i++)
+						for (int j = 0; j < CELL; j++)
+						{
+							delete_part(wallX*CELL+i, wallY*CELL+j);
+						}
+					for (int i = signs.size()-1; i >= 0; i--)
+						if (signs[i].x >= wallX*CELL && signs[i].y >= wallY*CELL && signs[i].x <= (wallX+1)*CELL && signs[i].y <= (wallY+1)*CELL)
+							signs.erase(signs.begin()+i);
+					bmap[wallY][wallX] = 0;
+				}
+				else
+					bmap[wallY][wallX] = wall;
 			}
 		}
 	}
@@ -1208,7 +1222,7 @@ int Simulation::FloodWalls(int x, int y, int wall, int bm)
 	int x1, x2, dy = CELL;
 	if (bm==-1)
 	{
-		if (wall==WL_ERASE)
+		if (wall==WL_ERASE || wall==WL_ERASEALL)
 		{
 			bm = bmap[y/CELL][x/CELL];
 			if (!bm)

src/simulation/SimulationData.cpp

@@ -131,6 +131,7 @@ wall_type * LoadWalls(int & wallCount)
 		{PIXPACK(0xFFEE00), PIXPACK(0xAA9900), 4, Renderer::WallIcon, "GRAVITY WALL",	"Gravity wall. Newtonian Gravity has no effect inside a box drawn with this."},
 		{PIXPACK(0xFFAA00), PIXPACK(0xAA5500), 4, Renderer::WallIcon, "ENERGY WALL",	"Allows energy particles, blocks all other particles."},
 		{PIXPACK(0xDCDCDC), PIXPACK(0x000000), 1, Renderer::WallIcon, "AIRBLOCK WALL",	"Allows all particles, but blocks air."},
+		{PIXPACK(0x808080), PIXPACK(0x000000), 0, Renderer::WallIcon, "ERASEALL",		"Erases walls, particles, and signs."},
 	};
 	wallCount = UI_WALLCOUNT;
 	wall_type * wtypesT = (wall_type*)malloc(UI_WALLCOUNT*sizeof(wall_type));

src/simulation/SimulationData.h

@@ -55,9 +55,10 @@
 #define WL_GRAV			14
 #define WL_ALLOWENERGY	15
 #define WL_BLOCKAIR		16
+#define WL_ERASEALL		17
 #define WL_FLOODHELPER	255
 
-#define UI_WALLCOUNT 17
+#define UI_WALLCOUNT 18
 
 #define OLD_SPC_AIR 236
 #define SPC_AIR 256