TapestryEngine

Utils.cpp (4890B)

---

 #include "Utils.h"
 #include "DiagnosticDraw.h"
 #include "Console.h"
 
 ParticleTypeData NullPTdata()
 {
 	ParticleTypeData ptData;
 	ptData.NoData = true;
 	return ptData;
 }
 
 Time* gTime = NULL;
 Random* gRandom = NULL;
 
 //int GetTimeF() //measures in frames
 //{
 //	int time = (clock() / CLOCKS_PER_FRAME);
 //	return time;
 //}
 
 int GetRealTimeMS() //measures in milliseconds
 {
 	int time = (clock() / (CLOCKS_PER_SEC / 1000));
 	return time;
 }
 
 SDL_Surface* LoadSurfaceBMP(const char* filename)
 {
 //#ifdef DEBUG
 //	char* basepath = "C:\\Users\\baptistac1\\Documents\\Visual Studio 2015\\Projects\\TapestryEngineDev\\TapestryEngine\\imgs\\";
 //	const char* basepath = "/home/sebastian/projects/TapestryEngine/TapestryEngine/imgs/";
 //#endif
 
 //#ifdef RELEASE
 	const char* basepath = "./TapestryEngine/imgs/";
 //#endif
 
 	char pathbuffer[1024];
 	strcpy(pathbuffer, basepath);
 
 	SDL_Surface* surface = SDL_LoadBMP(strcat(pathbuffer, filename));
 	if (surface == NULL)
 	{
 		gCons->ConsPrintf("SDL_LoadBMP Error: %s", SDL_GetError());
 	}
 
 	SDL_SetColorKey(surface, SDL_TRUE, SDL_MapRGB(surface->format, 0xFF, 0x00, 0xFF));
 
 	return surface;
 }
 
 TTF_Font* LoadFont(const char* filename, int ptsize)
 {
 //#ifdef DEBUG
 //	char* basepath = "C:\\Users\\baptistac1\\Documents\\Visual Studio 2015\\Projects\\TapestryEngineDev\\TapestryEngine\\fonts\\";
 //	const char* basepath = "/home/sebastian/projects/TapestryEngine/TapestryEngine/fonts/";
 //#endif
 
 //#ifdef RELEASE
 	const char* basepath = "./TapestryEngine/fonts/";
 //#endif
 
 	char pathbuffer[1024];
 	strcpy(pathbuffer, basepath);
 	char* fullpath = strcat(pathbuffer, filename);
 
 	TTF_Font* font = TTF_OpenFont(fullpath, ptsize);
 
 	const char* error = TTF_GetError();
 
 	assert(font != NULL);
 	
 	//gCons->ConsPrintf(fullpath);
 
 	return font;
 }
 cJSON * LoadJSON(const char* filename)
 {
 	const char* basepath = "./TapestryEngine/json/";
 
 	char pathbuffer[1024];
 	strcpy(pathbuffer, basepath);
 	strcat(pathbuffer, filename);
 
 	struct stat filestats;
 	stat(pathbuffer, &filestats);
 
 	char* filecontent = (char*)malloc( (filestats.st_size + 1) );
 
 	FILE* fp;
 	fp = fopen(pathbuffer, "rt");
 	
 	size_t size = fread(filecontent, 1, filestats.st_size, fp);
 	fclose(fp);
 
 	filecontent[size] = 0;
 
 	//gCons->ConsPrintf("%s\n", filecontent);
 
 	return cJSON_Parse(filecontent);
 }
 
 void PrintJSON(cJSON* json)
 {
 	gCons->ConsPrintf(cJSON_Print(json));
 }
 
 float GetSign(float x)
 {
 	if (x > 0) { return  1; }
 	if (x < 0) { return -1; }
 	return 0;
 }
 
 bool DetectRectIntersect(SDL_Rect* r1, SDL_Rect* r2)
 {
 	//if ( ((r1->x <= r2->x) && (r2->x <= (r1->x + r1->w))) || ( (r1->x <= (r2->x + r2->w)) && ((r2->x + r2->w) <= (r1->x + r1->w)) )) //if r1 and r2 intersect in x
 
 	int r1x1 = r1->x;
 	int r1x2 = r1->x + r1->w;
 	int r2x1 = r2->x;
 	int r2x2 = r2->x + r2->w;
 
 	int r1y1 = r1->y;
 	int r1y2 = r1->y + r1->h;
 	int r2y1 = r2->y;
 	int r2y2 = r2->y + r2->h;
 
 	//if (((r1->x <= r2->x) && (r2->x <= (r1->x + r1->w))) || ((r1->x <= (r2->x + r2->w)) && ((r2->x + r2->w) <= (r1->x + r1->w))) || ((r1->x <= r2->x) && (r2->x + r2->w) >= (r1->x + r1->w)) || ( (r1->x >= r2->x)&&( (r1->x + r1->w) >= (r2->x + r2->w) ) ) ) //if r1 and r2 intersect in x
 	if
 	(
 	(r1x1 <= r2x2 && r1x1 >= r2x1) ||
 	(r1x2 <= r2x2 && r1x2 >= r2x1) ||
 	(r1x1 <= r2x1 && r1x2 >= r2x2)
 	)
 	{
 		if
 		(
 		(r1y1 <= r2y2 && r1y1 >= r2y1) ||
 		(r1y2 <= r2y2 && r1y2 >= r2y1) ||
 		(r1y1 <= r2y1 && r1y2 >= r2y2)
 		)
 		{
 			//gCons->ConsPrintf("Rect Intersect Detected!\n");
 			return true;
 		}
 	}
 	//gCons->ConsPrintf("No Rect Intersect Detected!\n");
 	return false;
 }
 
 bool DetectCenterPointIntersect(SDL_Rect* zone, SDL_Rect* point)
 {
 	//gDiagDraw->LogDiagRect(*point);
 	int pointX = point->x + (int)((float)point->w / 2);
 	int pointY = point->y + (int)((float)point->h / 2);
 	if ( (zone->x <= pointX) && (pointX <= (zone->x + zone->w)) )
 	{
 		if ((zone->y <= pointY) && (pointY <= (zone->y + zone->h)))
 		{
 			//gCons->ConsPrintf("Center point intersect detected\n");
 			return true;
 		}
 	}
 	//gCons->ConsPrintf("center point not intersecting\n");
 	return false;
 }
 
 int CalcDistance(int x1, int y1, int x2, int y2)
 {
 	int Xdelt = abs(x1 - x2);
 	int Ydelt = abs(y1 - y2);
 
 	return (int)sqrt((Xdelt*Xdelt) + (Ydelt*Ydelt));
 }
 
 int EvenOutcomes(int NumberofOutcomes)
 {
 	int	i = (rand() % (NumberofOutcomes)) + 1;
 	//gCons->ConsPrintf("Roll : %i\n", i);
 	return i;
 }
 
 Random::Random()
 {
 	mSeed = (int)time(NULL);
 	srand(mSeed);
 }
 
 int Random::RandRange(int v1, int v2)
 {
 	int i;
 	if (v1 < v2) //v1 is min
 	{
 		i = (v1 + (rand() % (1 + v2 - v1)) );
 		assert(i <= v2);
 		assert(i >= v1);
 	}
 	else if (v2 < v1) //v2 is min
 	{
 		i = (v2 + (rand() % (1 + v1 - v2)) );
 		assert(i <= v1);
 		assert(i >= v2);
 	}
 	else// v1 == v2
 	{
 		i = v1;
 	}
 	//gCons->ConsPrintf("Range Roll : %i\n", i);
 	return i;
 }
 
 
 bool IsEven(int i) //Not working alawys return true
 {
 	if ( (i % 2) == 0)
 	{
 		return true;
 	}
 	else
 	{
 		return false;
 	}
 }