TapestryEngine

A 2D Platformer Game Engine
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492a3b836fce40b89bfc184da62e5b112eceff2f.svn-base (3057B)

      1 #ifndef UTILS_H
      2 #define UTILS_H
      3 
      4 //#define RELEASE
      5 #define DEBUG
      6 
      7 
      8 #include <vector>
      9 #include <time.h>
     10 #include <stdio.h>
     11 #include <string.h>
     12 #include <assert.h>
     13 #include <stdarg.h>
     14 #include <stdlib.h>
     15 #include <math.h>
     16 #include "cJSON.h"
     17 #include "SDL.h"
     18 #include "SDL_ttf.h"
     19 #include "SDL_Mixer.h"
     20 #include "BinaryTree.h"
     21 
     22 //Screen size defines //These must be a whole multiple of the camera size otherwise pixel stretching occurs
     23 #define SCREEN_W 1344
     24 #define SCREEN_H 756
     25 //
     26 
     27 //Direction Defines. Used by actor and terrain systems
     28 #define DOWN  3
     29 #define UP	  2
     30 #define LEFT  1 // must be 1 because of SDL draw function
     31 #define RIGHT 0 // must be 0 because of SDL draw function
     32 //
     33 
     34 //Time Defines
     35 #define MS_PER_FRAME 16 //this is normal speed
     36 //#define MS_PER_FRAME 40 //useful slow speed
     37 #define FRAMES_PER_SECOND (1/MS_PER_FRAME)*1000 //62.5 @16ms
     38 
     39 #define CLOCKS_PER_FRAME (CLOCKS_PER_SEC/FRAMES_PER_SECOND)
     40 //
     41 
     42 
     43 //Actor State Defines
     44 #define IDLE				10
     45 #define IDLE_DRAWN			11
     46 #define FALL				20
     47 #define FALL_DRAWN			21
     48 #define JUMP_TO_FALL		30
     49 #define JUMP_TO_FALL_DRAWN	31
     50 #define RUN					40
     51 #define RUN_DRAWN			41
     52 #define IDLE_BEGIN			50
     53 #define IDLE_BEGIN_DRAWN	51
     54 #define JUMP				60
     55 #define JUMP_DRAWN			61
     56 #define WANDER				70
     57 #define PURSUE				80
     58 #define SWIM				110
     59 #define SWIM_BEGIN			111
     60 #define TREAD				120
     61 #define LOOK				121
     62 #define EAT					122
     63 #define SLEEP				123
     64 #define PARTICLE			124
     65 
     66 #define SWIM_LEFT			130
     67 #define SWIM_RIGHT			131
     68 #define SWIM_DOWN			132
     69 #define SWIM_UP				133
     70 
     71 #define RUN_LEFT			0x1
     72 #define RUN_RIGHT			0x02
     73 #define RUN_DOWN			0x003
     74 #define RUN_UP				0x0004
     75 
     76 #define WALK_LEFT			0x5
     77 #define WALK_RIGHT			0x06
     78 #define WALK_DOWN			0x007
     79 #define WALK_UP				0x0008
     80 
     81 #define GATE_UP				201
     82 #define GATE_DOWN			202
     83 #define GATE_LOWER			203
     84 #define GATE_LOWER_BEGIN	204
     85 #define GATE_RAISE			205
     86 
     87 #define ALIVE      70
     88 #define DEAD	   80
     89 
     90 #define SPLASH	   90
     91 #define HAZE	   100
     92 //
     93 
     94 //This is a strange place for this stuff. Should maybe be its own ParticleTypeData.h
     95 struct drift_data 
     96 {
     97 	int mXspd;
     98 	int mYspd;
     99 };
    100 
    101 union ParticleTypeData
    102 {
    103 	bool NoData;
    104 	drift_data drift;
    105 };
    106 
    107 ParticleTypeData NullPTdata();
    108 //
    109 
    110 //struct ActHandle
    111 //{
    112 //	int id;
    113 //};
    114 
    115 typedef int ActHandle;
    116 
    117 class Time
    118 {
    119 public:
    120 
    121 	Time() : mCycle(0) {};
    122 
    123 	int ProgressCycle()
    124 	{
    125 		mCycle = (mCycle + 1);
    126 		return mCycle;
    127 	}
    128 
    129 	int GetCurrentCycle()
    130 	{
    131 		return mCycle;
    132 	}
    133 
    134 	int GetCurrentMS()
    135 	{
    136 		return (mCycle*MS_PER_FRAME);
    137 	}
    138 protected:
    139 
    140 	int mCycle;
    141 };
    142 
    143 int GetRealTimeMS();
    144 
    145 SDL_Surface* LoadSurfaceBMP(const char* filename);
    146 
    147 TTF_Font* LoadFont(char* file, int ptsize);
    148 
    149 cJSON * LoadJSON(const char* filename);
    150 
    151 void PrintJSON(cJSON* json);
    152 
    153 float GetSign(float x);
    154 
    155 bool DetectRectIntersect(SDL_Rect* r1, SDL_Rect* r2);
    156 
    157 bool DetectCenterPointIntersect(SDL_Rect* zone, SDL_Rect* point); //Detects if the center of rectangle "point" is within rectangle "zone"
    158 
    159 int CalcDistance(int x1, int y1, int x2, int y2);
    160 
    161 int EvenOutcomes(int NumberofOutcomes);
    162 
    163 int RandRange(int min, int max);
    164 
    165 bool IsEven(int i);
    166 
    167 extern Time* gTime;
    168 
    169 #endif