- Exposed placeTerrain function in rmgen.

- Started on Latium map.

This was SVN commit r4660.

binaries/data/mods/official/maps/random/latium.js

@@ -0,0 +1,211 @@
+const SIZE = 176;
+const NUM_PLAYERS = 4;
+const WATER_WIDTH = .2;
+
+// Terrain and object constants
+
+tOceanDepths = "ocean_medit_depths";
+tOceanRockDeep = "ocean_medit_rock_deep";
+tOceanRockShallow = "ocean_medit_rock_shallow";
+tOceanCoral = "ocean_medit_coral";
+tBeachWet = "beach_medit_wet";
+tBeachDry = "beach_medit_dry";
+tBeachGrass = "beach_medit_grass_50";
+tBeachCliff = "cliff_medit_beach";
+tGrassDry = ["grass_mediterranean_dry_a", "grass_mediterranean_dry_b", "grass_mediterranean_dry_c"];
+tGrass = ["grass_mediterranean_green_50", "grass_mediterranean_green_flowers"];
+tGrassShrubs = ["grass_mediterranean_green_shrubs", "grass_mediterranean_green_flowers"];
+tDirt = "dirt_medit_a";
+tDirtGrass = "dirt_medit_grass_50";
+tDirtCliff = ["cliff_medit_dirt", "cliff_medit_dirt", "cliff_medit_grass_a"];
+tCliff = ["cliff_medit_face_a", "cliff_medit_foliage_a"];
+tForestFloor = "forestfloor_medit_rock";
+
+oPalm = "flora_tree_medit_fan_palm";
+oLombardyPoplar = "flora_tree_poplar_lombardy";
+oOak = "flora_tree_oak";
+oPoplar = "flora_tree_poplar";
+oCarob = "flora_tree_carob";
+oBeech = "flora_tree_euro_beech";
+oPine = "flora_tree_aleppo_pine";
+oBerryBush = "flora_bush_berry";
+oSheep = "fauna_sheep";
+oStone = "geology_stone_greek";
+oMetal = "geology_metal_greek";
+oBushLargeDry = "props/flora/bush_medit_la_dry.xml";
+oBushLarge = "props/flora/bush_medit_la.xml";
+oBushMedDry = "props/flora/bush_medit_me_dry.xml";
+oBushMed = "props/flora/bush_medit_me.xml";
+oGrass = "props/flora/grass_medit_field.xml";
+oGrassDry = "props/flora/grass_soft_dry_large_tall.xml";
+oWaterLog = "props/flora/water_log.xml";
+
+tPalmForest = [tForestFloor+"|"+oPalm, tForestFloor, tGrass];
+tPineForest = [tForestFloor+"|"+oPine, tForestFloor, tForestFloor, tForestFloor];
+tMainForest = [tForestFloor+"|"+oCarob, tForestFloor+"|"+oBeech, tForestFloor];
+
+// Initialize world
+
+init(SIZE, tGrass, 0);
+
+// Create classes
+
+clWater = createTileClass();
+clCliff = createTileClass();
+clForest = createTileClass();
+clMetal = createTileClass();
+clStone = createTileClass();
+clFood = createTileClass();
+
+// Paint elevation
+
+noise0 = new Noise2D(4 * SIZE/128);
+noise1 = new Noise2D(9 * SIZE/128);
+noise2 = new Noise2D(17 * SIZE/128);
+
+noise3 = new Noise2D(4 * SIZE/128);
+noise4 = new Noise2D(8 * SIZE/128);
+noise5 = new Noise2D(16 * SIZE/128);
+
+for(ix=0; ix<=SIZE; ix++) {
+	for(iy=0; iy<=SIZE; iy++) {
+		x = ix / (SIZE + 1.0);
+		y = iy / (SIZE + 1.0);
+		
+		h = 0;
+		distToWater = 0;
+		
+		// add the rough shape of the water
+		if(x < WATER_WIDTH) {
+			h = Math.max(-15, -30*(WATER_WIDTH-x)/WATER_WIDTH);
+		}
+		else if(x > 1-WATER_WIDTH) {
+			h = Math.max(-15, -30*(x-(1-WATER_WIDTH))/WATER_WIDTH);
+		}
+		else {
+			distToWater = (0.5 - WATER_WIDTH - Math.abs(x-0.5));
+			u = 1 - Math.abs(x-0.5)/(0.5-WATER_WIDTH);
+			h = 15*u;
+		}
+		
+		// add some base noise
+		baseNoise = 14*noise0.eval(x,y) + 8*noise1.eval(x,y) + 4*noise2.eval(x,y) - (14+8+4)/2;
+		if( distToWater>0 && h+baseNoise < 1 ) {
+			baseNoise += Math.min(h, distToWater*30);
+		}
+		h += baseNoise;
+		
+		// create land noise
+		if( h > -7 )
+		{
+			cliffNoise = (1*noise3.eval(x,y) + 0.5*noise4.eval(x,y)) / 1.5;
+			if(h < -3) {
+				cliffNoise *= 0.3 * (1 - ((h+3)/-4));
+			}
+			if(cliffNoise > .6) {
+				u = 0.7 * (cliffNoise-.6);
+				cliffNoise += u * noise5.eval(x,y);
+				cliffNoise /= (1+u);
+			}
+			cliffNoise += .1 * distToWater / (0.5 - WATER_WIDTH);
+			cliffNoise -= 0.58;
+			if(cliffNoise > 0) {
+				h += 19 * Math.min(cliffNoise, 0.06) / 0.06;
+			}
+		}
+		
+		// set the height
+		setHeight(ix, iy, h);
+	}
+}
+
+// Paint base terrain
+
+noise6 = new Noise2D(10 * SIZE/128);
+noise7 = new Noise2D(20 * SIZE/128);
+
+noise8 = new Noise2D(30 * SIZE/128);
+noise9 = new Noise2D(50 * SIZE/128);
+
+for(ix=0; ix<SIZE; ix++) {
+	for(iy=0; iy<SIZE; iy++) {
+		x = ix / (SIZE + 1.0);
+		y = iy / (SIZE + 1.0);
+		
+		// get heights of surrounding vertices
+		h00 = getHeight(ix, iy);
+		h01 = getHeight(ix, iy+1);
+		h10 = getHeight(ix+1, iy);
+		h11 = getHeight(ix+1, iy+1);
+		
+		// find min and max height
+		maxH = Math.max(h00, h01, h10, h11);
+		minH = Math.min(h00, h01, h10, h11);
+		
+		// choose a terrain based on elevation
+		t = tGrass;
+		
+		// water
+		if(maxH < -11) {
+			t = tOceanDepths;
+		}
+		else if(maxH < -8) {
+			t = tOceanRockDeep;
+		}
+		else if(maxH < -5) {
+			t = tOceanCoral;
+		}
+		else if(maxH < -3) {
+			t = tOceanRockShallow;
+		}
+		else if(maxH < .5 && minH < -.3) {
+			t = tBeachWet;
+		}
+		else if(maxH < .9 && minH < .4) {
+			t = tBeachDry;
+		}
+		else if(maxH < 2.1 && minH < .8) {
+			t = tBeachGrass;
+		}
+		
+		// cliffs
+		if(maxH - minH > 3) {
+			t = tCliff;
+		}
+		else if(maxH - minH > 2.4) {
+			t = tDirtCliff;
+			if(minH < .3) t = tBeachCliff;
+		}
+		
+		// forests
+		if(maxH - minH < 1 && minH > 1) {
+			forestNoise = (noise6.eval(x,y) + 0.5*noise7.eval(x,y)) / 1.5;
+			forestNoise -= 0.6;
+			if(forestNoise > 0) {
+				if(minH > 20 && t==tGrass && forestNoise > .01) {
+					t = tPineForest;
+				}
+				else if(minH > 4 && minH < 19 && t==tGrass) {
+					t = tMainForest;
+				}
+				else if(minH < 3) {
+					t = tPalmForest;
+				}
+			}
+		}
+		
+		// grass variations
+		if(t==tGrass)
+		{
+			grassNoise = (noise8.eval(x,y) + .5*noise9.eval(x,y)) / 1.5;
+			if(grassNoise < .4) {
+				t = tGrassDry;
+			}
+			else if(grassNoise > .6) {
+				t = tGrassShrubs;
+			}
+		}
+		
+		placeTerrain(ix, iy, t);
+	}
+}

source/tools/rmgen/api.cpp

@@ -25,6 +25,7 @@ JSFunctionSpec globalFunctions[] = {
 	{"getMapSize", getMapSize, 0},
 	{"randInt", randInt, 2},
 	{"randFloat", randFloat, 1},
+	{"placeTerrain", placeTerrain, 3},
 	{"placeObject", placeObject, 4},
 	{"createArea", createArea, 3},
 	{"createObjectGroup", createObjectGroup, 3},