TapestryEngine

A 2D Platformer Game Engine
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bdb70fc76cf056ff538d1cac875bcce9afeae58d.svn-base (2973B)

      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 FALL         11
     46 #define JUMP_TO_FALL 13
     47 #define RUN          20
     48 #define RUN_DRAWN    25
     49 #define IDLE_BEGIN   30
     50 #define JUMP         40
     51 #define WANDER       50
     52 #define PURSUE       60
     53 #define SWIM	     110
     54 #define TREAD	     120
     55 #define LOOK         121
     56 #define EAT          122
     57 #define SLEEP        123
     58 #define PARTICLE     124
     59 
     60 #define SWIM_LEFT  130
     61 #define SWIM_RIGHT 131
     62 #define SWIM_DOWN  132
     63 #define SWIM_UP    133
     64 
     65 #define RUN_LEFT  0x1
     66 #define RUN_RIGHT 0x02
     67 #define RUN_DOWN  0x003
     68 #define RUN_UP    0x0004
     69 
     70 #define WALK_LEFT  0x5
     71 #define WALK_RIGHT 0x06
     72 #define WALK_DOWN  0x007
     73 #define WALK_UP    0x0008
     74 
     75 #define GATE_UP				201
     76 #define GATE_DOWN			202
     77 #define GATE_LOWER			203
     78 #define GATE_LOWER_BEGIN	204
     79 #define GATE_RAISE			205
     80 
     81 #define ALIVE      70
     82 #define DEAD	   80
     83 
     84 #define SPLASH	   90
     85 #define HAZE	   100
     86 //
     87 
     88 //This is a strange place for this stuff. Should maybe be its own ParticleTypeData.h
     89 struct drift_data 
     90 {
     91 	int mXspd;
     92 	int mYspd;
     93 };
     94 
     95 union ParticleTypeData
     96 {
     97 	bool NoData;
     98 	drift_data drift;
     99 };
    100 
    101 ParticleTypeData NullPTdata();
    102 //
    103 
    104 class Time
    105 {
    106 public:
    107 
    108 	Time() : mCycle(0) {};
    109 
    110 	int ProgressCycle()
    111 	{
    112 		mCycle = (mCycle + 1);
    113 		return mCycle;
    114 	}
    115 
    116 	int GetCurrentCycle()
    117 	{
    118 		return mCycle;
    119 	}
    120 
    121 	int GetCurrentMS()
    122 	{
    123 		return (mCycle*MS_PER_FRAME);
    124 	}
    125 protected:
    126 
    127 	int mCycle;
    128 };
    129 
    130 //int GetTimeF();
    131 int GetRealTimeMS();
    132 
    133 SDL_Surface* LoadSurfaceBMP(const char* filename);
    134 
    135 TTF_Font* LoadFont(char* file, int ptsize);
    136 
    137 cJSON * LoadJSON(const char* filename);
    138 
    139 void PrintJSON(cJSON* json);
    140 
    141 bool ReadBTree(Node* root, char* str);
    142 
    143 void PrintBTree(Node* root);
    144 
    145 float GetSign(float x);
    146 
    147 bool DetectRectIntersect(SDL_Rect* r1, SDL_Rect* r2);
    148 
    149 bool DetectCenterPointIntersect(SDL_Rect* zone, SDL_Rect* point); //Detects collision between a rectangle "zone" and the center of a rectangle "point"
    150 
    151 int CalcDistance(int x1, int y1, int x2, int y2);
    152 
    153 int EvenOutcomes(int NumberofOutcomes);
    154 
    155 int RandRange(int min, int max);
    156 
    157 bool IsEven(int i);
    158 
    159 extern Time* gTime;
    160 
    161 #endif