Spring RTS Engine

Code: Select all

#include "StdAfx.h"
#include ".\featurecreator.h"

#define NUM_TREE_TYPES 16
#define treetop 215
extern float* heightmap;

CFeatureCreator::CFeatureCreator(void)
{
}

CFeatureCreator::~CFeatureCreator(void)
{
}

void CFeatureCreator::WriteToFile(ofstream* file)
{
	//write vegetation map
	file->write((char*)vegMap,xsize/4*ysize/4);
	delete[] vegMap;

	//write features
	MapFeatureHeader fh;
	fh.numFeatures=(int)features.size();
	fh.numFeatureType=NUM_TREE_TYPES+1;

	printf("Writing %i features\n",fh.numFeatures);

	file->write((char*)&fh,sizeof(fh));

	for(int a=0;a<NUM_TREE_TYPES;++a){
		char c[100];
		sprintf(c,"TreeType%i",a);
		file->write(c,(int)strlen(c)+1);
	}
	char c[100];
	sprintf(c,"GeoVent");
	file->write(c,(int)strlen(c)+1);

	for(vector<MapFeatureStruct>::iterator fi=features.begin();fi!=features.end();++fi){
		file->write((char*)&*fi,sizeof(MapFeatureStruct));
	}
}

void CFeatureCreator::CreateFeatures(CBitmap* bm, int startx, int starty,std::string metalfile)
{
	printf("Creating features\n");
	xsize=bm->xsize/8;
	ysize=bm->ysize/8;
	int mapx=xsize+1;

	//geovents
	CBitmap vent("geovent.bmp");
	CBitmap metal(metalfile);		//use the green channel for geos
// moved tree n Grassdefs
	vegMap=new unsigned char[xsize/4*ysize/4];
	memset(vegMap,0,xsize/4*ysize/4);
	unsigned char* map=new unsigned char[ysize*xsize];

	for(int y=0;y<metal.ysize;++y){
		for(int x=0;x<metal.xsize;++x){
			unsigned char c=metal.mem[(y*metal.xsize+x)*4+1];
			if(c>127){
				int bx=x*xsize/metal.xsize;
				int by=y*ysize/metal.ysize;
				for(int tries=0;tries<1000;++tries){
					int x=bx+rand()*(40)/RAND_MAX-20;
					int y=by+rand()*(40)/RAND_MAX-20;
					if(x<5)
						x=5;
					if(x>xsize-5)
						x=xsize-5;
					if(y<5)
						y=5;
					if(y>ysize-5)
						y=ysize-5;

					float h=heightmap[y*mapx+x];
					if(h<5)
						continue;

					bool good=true;
					for(int y2=y-3;y2<=y+3;++y2){
						for(int x2=x-3;x2<=x+3;++x2){
							if(fabs(h-heightmap[(y2)*mapx+x2])>3)
								good=false;
						}
					}
					if(good){
						if(c=255){
							MapFeatureStruct ffs;
							ffs.featureType=NUM_TREE_TYPES;
							ffs.relativeSize=1;
							ffs.rotation=0;
							ffs.xpos=(float)x*8+4;
							ffs.ypos=0;
							ffs.zpos=(float)y*8+4;

							features.push_back(ffs);


						for(int y2=0;y2<vent.ysize;++y2){
							for(int x2=0;x2<vent.xsize;++x2){
								if(vent.mem[(y2*vent.xsize+x2)*4+0]!=255 || vent.mem[(y2*vent.xsize+x2)*4+2]!=255){
									bm->mem[((y*8+y2-vent.ysize/2)*bm->xsize+x*8+x2-vent.xsize/2)*4+0]=vent.mem[(y2*vent.xsize+x2)*4+0];
									bm->mem[((y*8+y2-vent.ysize/2)*bm->xsize+x*8+x2-vent.xsize/2)*4+1]=vent.mem[(y2*vent.xsize+x2)*4+1];
									bm->mem[((y*8+y2-vent.ysize/2)*bm->xsize+x*8+x2-vent.xsize/2)*4+2]=vent.mem[(y2*vent.xsize+x2)*4+2];
								}
							}
						}
						break;
					}
						//trees metalmap green 200-216
						if(c>199 && c<=treetop){
							int t_type=(c-200);
							map[y*xsize+x]=1;
							MapFeatureStruct ffs;
							ffs.featureType=t_type;
							ffs.relativeSize=0.8f+float(rand())/RAND_MAX*0.4f;
							ffs.rotation=0;
							ffs.xpos=(float)startx+x*8+4;
							ffs.ypos=0;
							ffs.zpos=(float)starty+y*8+4;

							features.push_back(ffs);
						}
						//Grass metalmap green 128 & not under water
						if(c=128 && heightmap[(y*4+2)*mapx+x*4+2]>2){
							vegMap[y*xsize/4+x]=1;
						}
					}

					}
				}
			}
		}
	}

Code: Select all

sprintf(c,"GeoVent");

Code: Select all

sprintf(c,"GeoVent",a);