TapestryEngine

A 2D Platformer Game Engine
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d7b818c102e3a23ca5fbccb35e32026c0b4b99d0.svn-base (4631B)

      1 #include "Utils.h"
      2 #include "DiagnosticDraw.h"
      3 #include "Console.h"
      4 
      5 ParticleTypeData NullPTdata()
      6 {
      7 	ParticleTypeData ptData;
      8 	ptData.NoData = true;
      9 	return ptData;
     10 }
     11 
     12 Time* gTime = NULL;
     13 
     14 //int GetTimeF() //measures in frames
     15 //{
     16 //	int time = (clock() / CLOCKS_PER_FRAME);
     17 //	return time;
     18 //}
     19 
     20 int GetRealTimeMS() //measures in milliseconds
     21 {
     22 	int time = (clock() / (CLOCKS_PER_SEC / 1000));
     23 	return time;
     24 }
     25 
     26 SDL_Surface* LoadSurfaceBMP(const char* filename)
     27 {
     28 #ifdef DEBUG
     29 	char* basepath = "C:\\Users\\baptistac1\\Documents\\Visual Studio 2015\\Projects\\TapestryEngineDev\\TapestryEngine\\imgs\\";
     30 #endif
     31 
     32 #ifdef RELEASE
     33 	char* basepath = ".\\imgs\\";
     34 #endif
     35 
     36 	char pathbuffer[1024];
     37 	strcpy(pathbuffer, basepath);
     38 
     39 	SDL_Surface* surface = SDL_LoadBMP(strcat(pathbuffer, filename));
     40 	if (surface == NULL)
     41 	{
     42 		gCons->ConsPrintf("SDL_LoadBMP Error: %s", SDL_GetError());
     43 	}
     44 
     45 	SDL_SetColorKey(surface, SDL_TRUE, SDL_MapRGB(surface->format, 0xFF, 0x00, 0xFF));
     46 
     47 	return surface;
     48 }
     49 
     50 TTF_Font* LoadFont(char* filename, int ptsize)
     51 {
     52 #ifdef DEBUG
     53 	char* basepath = "C:\\Users\\baptistac1\\Documents\\Visual Studio 2015\\Projects\\TapestryEngineDev\\TapestryEngine\\fonts\\";
     54 #endif
     55 
     56 #ifdef RELEASE
     57 	char* basepath = ".\\fonts\\";
     58 #endif
     59 
     60 	char pathbuffer[1024];
     61 	strcpy(pathbuffer, basepath);
     62 	char* fullpath = strcat(pathbuffer, filename);
     63 
     64 	TTF_Font* font = TTF_OpenFont(fullpath, ptsize);
     65 
     66 	const char* error = TTF_GetError();
     67 
     68 //	int msgboxID = MessageBox(
     69 //		NULL,
     70 //		(LPCSTR)error,
     71 //		(LPCSTR)L"Account Details",
     72 //		MB_ICONWARNING | MB_CANCELTRYCONTINUE | MB_DEFBUTTON2
     73 //	);
     74 
     75 	assert(font != NULL);
     76 	
     77 	//gCons->ConsPrintf(fullpath);
     78 
     79 	return font;
     80 }
     81 cJSON * LoadJSON(const char* filename)
     82 {
     83 #ifdef DEBUG
     84 	char* basepath = "C:\\Users\\baptistac1\\Documents\\Visual Studio 2015\\Projects\\TapestryEngineDev\\TapestryEngine\\json\\";
     85 #endif
     86 
     87 #ifdef RELEASE
     88 	char* basepath = ".\\json\\";
     89 #endif
     90 
     91 	char pathbuffer[1024];
     92 	strcpy(pathbuffer, basepath);
     93 	strcat(pathbuffer, filename);
     94 
     95 	struct stat filestats;
     96 	stat(pathbuffer, &filestats);
     97 
     98 	char* filecontent = (char*)malloc( (filestats.st_size + 1) );
     99 
    100 	FILE* fp;
    101 	fp = fopen(pathbuffer, "rt");
    102 	
    103 	size_t size = fread(filecontent, 1, filestats.st_size, fp);
    104 	fclose(fp);
    105 
    106 	filecontent[size] = 0;
    107 
    108 	//gCons->ConsPrintf("%s\n", filecontent);
    109 
    110 	return cJSON_Parse(filecontent);
    111 }
    112 
    113 void PrintJSON(cJSON* json)
    114 {
    115 	gCons->ConsPrintf(cJSON_Print(json));
    116 }
    117 
    118 float GetSign(float x)
    119 {
    120 	if (x > 0) { return  1; }
    121 	if (x < 0) { return -1; }
    122 	return 0;
    123 }
    124 
    125 bool DetectRectIntersect(SDL_Rect* r1, SDL_Rect* r2)
    126 {
    127 	//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
    128 
    129 	int r1x1 = r1->x;
    130 	int r1x2 = r1->x + r1->w;
    131 	int r2x1 = r2->x;
    132 	int r2x2 = r2->x + r2->w;
    133 
    134 	int r1y1 = r1->y;
    135 	int r1y2 = r1->y + r1->h;
    136 	int r2y1 = r2->y;
    137 	int r2y2 = r2->y + r2->h;
    138 
    139 	//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
    140 	if
    141 	(
    142 	(r1x1 <= r2x2 && r1x1 >= r2x1) ||
    143 	(r1x2 <= r2x2 && r1x2 >= r2x1) ||
    144 	(r1x1 <= r2x1 && r1x2 >= r2x2)
    145 	)
    146 	{
    147 		if
    148 		(
    149 		(r1y1 <= r2y2 && r1y1 >= r2y1) ||
    150 		(r1y2 <= r2y2 && r1y2 >= r2y1) ||
    151 		(r1y1 <= r2y1 && r1y2 >= r2y2)
    152 		)
    153 		{
    154 			//gCons->ConsPrintf("Rect Intersect Detected!\n");
    155 			return true;
    156 		}
    157 	}
    158 	//gCons->ConsPrintf("No Rect Intersect Detected!\n");
    159 	return false;
    160 }
    161 
    162 bool DetectCenterPointIntersect(SDL_Rect* zone, SDL_Rect* point)
    163 {
    164 	//gDiagDraw->LogDiagRect(*point);
    165 	int pointX = point->x + (int)((float)point->w / 2);
    166 	int pointY = point->y + (int)((float)point->h / 2);
    167 	if ( (zone->x <= pointX) && (pointX <= (zone->x + zone->w)) )
    168 	{
    169 		if ((zone->y <= pointY) && (pointY <= (zone->y + zone->h)))
    170 		{
    171 			//gCons->ConsPrintf("Center point intersect detected\n");
    172 			return true;
    173 		}
    174 	}
    175 	//gCons->ConsPrintf("center point not intersecting\n");
    176 	return false;
    177 }
    178 
    179 int CalcDistance(int x1, int y1, int x2, int y2)
    180 {
    181 	int Xdelt = abs(x1 - x2);
    182 	int Ydelt = abs(y1 - y2);
    183 
    184 	return (int)sqrt((Xdelt*Xdelt) + (Ydelt*Ydelt));
    185 }
    186 
    187 int EvenOutcomes(int NumberofOutcomes)
    188 {
    189 	int	i = (rand() % (NumberofOutcomes)) + 1;
    190 	//gCons->ConsPrintf("Roll : %i\n", i);
    191 	return i;
    192 }
    193 
    194 int RandRange(int min, int max)
    195 {
    196 	int	i = (min + (rand() % (max-min)));
    197 	//gCons->ConsPrintf("Range Roll : %i\n", i);
    198 	return i;
    199 }
    200 
    201 
    202 bool IsEven(int i) //Not working alawys return true
    203 {
    204 	if ( (i % 2) == 0)
    205 	{
    206 		return true;
    207 	}
    208 	else
    209 	{
    210 		return false;
    211 	}
    212 }