annotate src/dmlib.h @ 873:26ea35e914ca

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author Matti Hamalainen <ccr@tnsp.org>
date Tue, 03 Feb 2015 20:59:22 +0200
parents b01d04e44b6f
children e5fde730b4fa
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1 /*
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2 * DMLib
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3 * -- Main header file
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4 * Programmed and designed by Matti 'ccr' Hamalainen
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5 * (C) Copyright 2011-2015 Tecnic Software productions (TNSP)
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6 */
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7 #ifndef DMLIB_H
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8 #define DMLIB_H
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9
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10 #include <SDL_config.h>
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11 #include <SDL_endian.h>
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12 #include <SDL_types.h>
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13 #include <SDL_mutex.h>
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14 #include <SDL_thread.h>
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15 #include <SDL_video.h>
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16 #include <stdarg.h>
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17
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18 #ifdef DM_USE_ASSERTS
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19 # include <assert.h>
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20 #else
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21 # define assert(NEXPR) // stub
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22 #endif
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23
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24 #ifdef __cplusplus
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25 extern "C" {
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26 #endif
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27
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28 // Defaults
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29 #define DM_PROG_AUTHOR "By Matti 'ccr' Hamalainen (C) Copyright 2014 TNSP"
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30 #define DM_PROG_LICENSE "Et all, see README / COPYING for more information."
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31
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32 /* Error codes
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33 */
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34 enum {
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35 // General error codes
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36 DMERR_OK = 0,
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37 DMERR_PROGRESS, // Status OK, but operation in progress
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38
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39 DMERR_INTERNAL,
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41 DMERR_FOPEN,
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42 DMERR_FREAD,
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43 DMERR_FWRITE,
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44 DMERR_FSEEK,
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45 DMERR_NOT_FOUND, // Resource/data not found
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46
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47 DMERR_INVALID_DATA, // Some data was invalid
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48 DMERR_MALLOC, // Memory allocation failure
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49 DMERR_ALREADY_INIT, // Resource has already been initialized
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50 DMERR_INIT_FAIL, // General initialization failure
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51 DMERR_INVALID_ARGS,
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52
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53 DMERR_NULLPTR, // NULL pointer specified in critical argument
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54 DMERR_NOT_SUPPORTED,// Operation not supported
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55 DMERR_OUT_OF_DATA,
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56 DMERR_EXTRA_DATA,
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57 DMERR_BOUNDS,
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58
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59 // PACK-file subsystem
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60 DMERR_NOTPACK,
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61 DMERR_VERSION,
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62 DMERR_INVALID,
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63 DMERR_COMPRESSION,
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64 };
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65
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66 // Directory/path separator stuff
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67 #define DM_DIR_SEPARATOR '/'
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69
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70 // Resource management defines
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71 #define DMRES_NAME_LEN 32
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72 #define DMRES_DATA_PACK "data.pak" // Name of the data-file
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73 #define DMRES_DATA_PATH "data/" // Sub-directory path
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74 #define DMRES_RES_FILE "res.txt" // Resource data file
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75
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76
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77 /* Define a boolean type
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78 */
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79 #if !defined(FALSE) && !defined(TRUE) && !defined(BOOL)
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80 typedef enum { FALSE = 0, TRUE = 1 } BOOL;
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81 #endif
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82
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83 #ifndef BOOL
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84 # ifdef bool
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85 # define BOOL bool
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86 # else
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87 # define BOOL int
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88 # endif
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89 #endif
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90
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91
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92 /* Math constants
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93 */
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94 #define DM_PI 3.14159265358f
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95 #define DM_PI2 6.28318530718f
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96 #define DM_E 2.71828182846f
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97
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98
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99 /* Fixed point math type
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100 */
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101 typedef union
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102 {
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103 Sint64 dw;
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104 Sint32 w[2];
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105 } DMFixedPoint;
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106
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107
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108 typedef union
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109 {
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110 Sint32 dw;
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111 Sint16 w[2];
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112 } DMFixedPoint32;
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113
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114
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115 /* Macros for fixed point math
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116 */
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117 #if __GNUC__ >= 3
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118 # define FP_SET(a, k) a.dw = k ## ULL
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119 #else
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120 # define FP_SET(a, k) a.dw = k
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121 #endif
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122
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123 #define FP_CONV(a, k) a.dw = (k)
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124
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125 #ifndef SDL_BYTEORDER
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126 # error Undefined byteorder!
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127 #endif
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128
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129 #if (SDL_BYTEORDER == SDL_BIG_ENDIAN)
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130 # define FP_SETH(a, k) a.w[0] = (k)
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131 # define FP_SETL(a, k) a.w[1] = (k)
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132 # define FP_SETHL(a, h, l) { a.w[0] = (h); a.w[1] = (l); }
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133 # define FP_GETH32(a) a.w[0]
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134 # define FP_GETL32(a) a.w[1]
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135 # define FP_GETH16(a) a.w[0]
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136 # define FP_GETL16(a) a.w[1]
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137 #elif (SDL_BYTEORDER == SDL_LIL_ENDIAN)
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138 # define FP_SETH(a, k) a.w[1] = (k)
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139 # define FP_SETL(a, k) a.w[0] = (k)
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140 # define FP_SETHL(a, h, l) { a.w[1] = (h); a.w[0] = (l); }
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141 # define FP_GETH32(a) a.w[1]
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142 # define FP_GETL32(a) a.w[0]
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143 # define FP_GETH16(a) a.w[1]
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144 # define FP_GETL16(a) a.w[0]
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145 #else
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146 # error Unsupported byte order!
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147 #endif
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148
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149 #define FP_PRINTF64(a) printf("%.8x:%.8x", FP_GETH32(a), FP_GETL32(a))
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150 #define FP_PRINTF32(a) printf("%.4x:%.4x", FP_GETH16(a), FP_GETL16(a))
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151
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152 #define FP_ADD(a, b) a.dw += b.dw
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153 #define FP_SUB(a, b) a.dw -= b.dw
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154 #define FP_ADD_R(r, a, b) r.dw = a.dw + b.dw
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155 #define FP_SUB_R(r, a, b) r.dw = a.dw - b.dw
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156 #define FP_DIV(a, b) a.dw /= b.dw
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parents:
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157 #define FP_MUL(a, b) a.dw *= b.dw
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158 #define FP_DIV_R(r, a, b) r.dw = (a.dw / b.dw)
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159 #define FP_MUL_R(r, a, b) r.dw = (a.dw * b.dw)
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160
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161
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parents:
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162 /* Miscellaneous types
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163 */
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164 typedef struct
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165 {
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166 #if (SDL_BYTEORDER == SDL_BIG_ENDIAN)
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167 Uint8 a,g,b,r;
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168 #elif (SDL_BYTEORDER == SDL_LIL_ENDIAN)
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169 Uint8 r,g,b,a;
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170 #endif
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171 } DMRGBA32;
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172
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173
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174 typedef float DMFloat;
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175
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176
118
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177 // Macro for swapping two lvalues of same type
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178 #define DM_SWAP(T, A, B) { if ((B) < (A)) { T swtmp = (B); B = (A); A = swtmp; } }
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179
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180
0
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181 /* Drawing modes used by blitting and some other functions.
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182 */
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183 enum
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184 {
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185 DMD_NONE = 0x0000,
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186 DMD_TRANSPARENT = 0x0001,
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187 DMD_SATURATE = 0x0002,
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188
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189 DMD_ANTIALIAS = 0x0004,
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190
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191 DMD_NMODES = 6
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192 };
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193
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194
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195 // Available bitdepths. Not all functions may support every one of these.
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196 enum
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197 {
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198 DMD_8BIT = 0,
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199 DMD_32BIT,
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200
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201 DMD_NBITDEPTHS
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202 };
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203
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204
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205 static inline int dmBitsPerPixel2Index(int bpp)
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206 {
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207 return (bpp == 8 ? 0 : (bpp == 32 ? 1 : -1));
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208 }
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209
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210
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parents:
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211 /* Generic parameter interpolation
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parents:
diff changeset
212 */
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213 #define DMM_S_CURVE(t) ((t) * (t) * (3.0f - 2.0f * (t)))
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214 #define DMM_LERP(t, a, b) ((a) + (t) * ((b) - (a)))
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215
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216 typedef struct
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217 {
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218 DMFloat start, end, nsteps;
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219 } DMLerpContext;
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220
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221
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222 void dmLerpInit(DMLerpContext *ctx, DMFloat start, DMFloat end, DMFloat nsteps);
108
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223 DMFloat dmCatmullRom(const DMFloat t, const DMFloat p0, const DMFloat p1, const DMFloat p2, const DMFloat p3);
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224
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225
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226 static inline DMFloat dmClamp10(const DMFloat a)
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227 {
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228 return (a < 0.0f ? 0.0f : (a > 1.0f ? 1.0f : a));
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229 }
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230
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231
153
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232 static inline int dmClamp(const int v, const int min, const int max)
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233 {
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234 return (v < min ? min : (v > max ? max : v));
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235 }
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236
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237
108
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238 static inline DMFloat dmLerpSCurve(DMLerpContext *ctx, const DMFloat step)
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239 {
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240 const DMFloat n = step / ctx->nsteps;
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241 const DMFloat v = DMM_S_CURVE(n);
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242 return DMM_LERP(v, ctx->start, ctx->end);
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243 }
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244
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245
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246 static inline DMFloat dmLerpSCurveClamp(DMLerpContext *ctx, const DMFloat step)
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247 {
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248 const DMFloat n = dmClamp10(step / ctx->nsteps);
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249 const DMFloat v = DMM_S_CURVE(n);
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250 return DMM_LERP(v, ctx->start, ctx->end);
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251 }
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252
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253
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254 static inline DMFloat dmLerp1(DMLerpContext *ctx, const DMFloat step)
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255 {
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256 const DMFloat v = step / ctx->nsteps;
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257 return DMM_LERP(v, ctx->start, ctx->end);
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258 }
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259
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260
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261 static inline DMFloat dmLerp1Clamp(DMLerpContext *ctx, const DMFloat step)
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262 {
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263 const DMFloat v = dmClamp10(step / ctx->nsteps);
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264 return DMM_LERP(v, ctx->start, ctx->end);
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265 }
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266
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267
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268 static inline DMFloat dmCatmullRomClamp(const DMFloat t, const DMFloat p0, const DMFloat p1, const DMFloat p2, const DMFloat p3)
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269 {
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270 return dmCatmullRom(dmClamp10(t), p0, p1, p2, p3);
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271 }
0
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272
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273
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parents:
diff changeset
274 /* Perlin noise
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parents:
diff changeset
275 */
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parents:
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276 void dmPerlinInit(void);
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parents:
diff changeset
277 DMFloat dmPerlinNoise2D(DMFloat x, DMFloat y, DMFloat alpha, DMFloat beta, int n);
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parents:
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278
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279
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parents:
diff changeset
280 /* Arbitrary line drawing
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parents:
diff changeset
281 */
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diff changeset
282 #ifdef DM_GFX_LINES
232
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283 #define DM_HEADER
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284 #include "dmlinefunc.h"
234
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285
262
9d015d32841a Clean up the line clipping a bit, in preparation for fixes.
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parents: 234
diff changeset
286 enum
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parents: 234
diff changeset
287 {
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288 CLIP_TOP = 1,
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289 CLIP_BOTTOM = 2,
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290 CLIP_RIGHT = 4,
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291 CLIP_LEFT = 8
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292 };
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diff changeset
293
234
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294 #define DM_CLIP_FUNC dmClipLineCoordsFloat
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295 #define DM_COORD_TYPE DMFloat
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296 #include "dmlineclip.h"
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297
232
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298 #undef DM_HEADER
0
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299 #endif
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300
95
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diff changeset
301
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diff changeset
302 /* Various blitting functions
0
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303 */
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304 #ifdef DM_GFX_BLITS
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Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
305 typedef int (*DMScaledBlitFunc)(SDL_Surface *src, const int x0, const int y0, const int dwidth, const int dheight, SDL_Surface *dst);
32250b436bca Initial re-import.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
306 DMScaledBlitFunc dmGetScaledBlitFunc(SDL_PixelFormat *src, SDL_PixelFormat *dst, int mode);
32250b436bca Initial re-import.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
307 int dmScaledBlitSurfaceAny(SDL_Surface *src, const int x0, const int y0, const int dwidth, const int dheight, SDL_Surface *dst, int mode);
19
10f58ff516b3 Add function prototypes for two special case scaled blit functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
308
95
0430f484641b Add unscaled blitting functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 90
diff changeset
309 typedef int (*DMUnscaledBlitFunc)(SDL_Surface *src, const int x0, const int y0, SDL_Surface *dst);
0430f484641b Add unscaled blitting functions.
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parents: 90
diff changeset
310 DMUnscaledBlitFunc dmGetUnscaledBlitFunc(SDL_PixelFormat *src, SDL_PixelFormat *dst, int mode);
0430f484641b Add unscaled blitting functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 90
diff changeset
311 int dmUnscaledBlitSurfaceAny(SDL_Surface *src, const int x0, const int y0, SDL_Surface *dst, int mode);
232
79dac918c81e Modularize line clipping etc. a lot, and export all line drawing and
Matti Hamalainen <ccr@tnsp.org>
parents: 153
diff changeset
312
610
e74ad60b1e85 Add new scaled surface conversion function.
Matti Hamalainen <ccr@tnsp.org>
parents: 601
diff changeset
313 SDL_Surface *dmConvertScaledSurface(SDL_Surface *src, SDL_PixelFormat *fmt, Uint32 flags, const int dwidth, const int dheight);
e74ad60b1e85 Add new scaled surface conversion function.
Matti Hamalainen <ccr@tnsp.org>
parents: 601
diff changeset
314
e74ad60b1e85 Add new scaled surface conversion function.
Matti Hamalainen <ccr@tnsp.org>
parents: 601
diff changeset
315
232
79dac918c81e Modularize line clipping etc. a lot, and export all line drawing and
Matti Hamalainen <ccr@tnsp.org>
parents: 153
diff changeset
316 #define DM_HEADER
79dac918c81e Modularize line clipping etc. a lot, and export all line drawing and
Matti Hamalainen <ccr@tnsp.org>
parents: 153
diff changeset
317 #include "dmblitfunc.h"
79dac918c81e Modularize line clipping etc. a lot, and export all line drawing and
Matti Hamalainen <ccr@tnsp.org>
parents: 153
diff changeset
318 #undef DM_HEADER
612
696f03f30c0e Make certain static inline graphics functions always available, no need to
Matti Hamalainen <ccr@tnsp.org>
parents: 611
diff changeset
319
696f03f30c0e Make certain static inline graphics functions always available, no need to
Matti Hamalainen <ccr@tnsp.org>
parents: 611
diff changeset
320 #endif // DM_GFX_BLITS
0
32250b436bca Initial re-import.
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parents:
diff changeset
321
95
0430f484641b Add unscaled blitting functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 90
diff changeset
322
0
32250b436bca Initial re-import.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
323 /* Misc functions
32250b436bca Initial re-import.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
324 */
32250b436bca Initial re-import.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
325 #ifdef DM_GFX_MISC
612
696f03f30c0e Make certain static inline graphics functions always available, no need to
Matti Hamalainen <ccr@tnsp.org>
parents: 611
diff changeset
326
0
32250b436bca Initial re-import.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
327 void dmFillRect(SDL_Surface *screen, int x0, int y0, int x1, int y1, const Uint32 col);
32250b436bca Initial re-import.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
328 void dmDrawHLine(SDL_Surface *screen, int x0, int x1, int yc, const Uint32 col);
32250b436bca Initial re-import.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
329 void dmDrawVLine(SDL_Surface *screen, int y0, int y1, int xc, const Uint32 col);
150
e147c07e41cb Add dmDrawBox3D() and dmFillBox3D().
Matti Hamalainen <ccr@tnsp.org>
parents: 138
diff changeset
330
e147c07e41cb Add dmDrawBox3D() and dmFillBox3D().
Matti Hamalainen <ccr@tnsp.org>
parents: 138
diff changeset
331 void dmDrawBox3D(SDL_Surface *screen, int x0, int y0, int x1, int y1, Uint32 ucol, Uint32 dcol);
e147c07e41cb Add dmDrawBox3D() and dmFillBox3D().
Matti Hamalainen <ccr@tnsp.org>
parents: 138
diff changeset
332 void dmFillBox3D(SDL_Surface *screen, int x0, int y0, int x1, int y1, Uint32 bgcol, Uint32 ucol, Uint32 dcol);
e147c07e41cb Add dmDrawBox3D() and dmFillBox3D().
Matti Hamalainen <ccr@tnsp.org>
parents: 138
diff changeset
333
612
696f03f30c0e Make certain static inline graphics functions always available, no need to
Matti Hamalainen <ccr@tnsp.org>
parents: 611
diff changeset
334 #endif // DM_GFX_MISC
696f03f30c0e Make certain static inline graphics functions always available, no need to
Matti Hamalainen <ccr@tnsp.org>
parents: 611
diff changeset
335
90
1ab3fd8b9afc Move some very tiny gfx functions to the dmlib header as static inline ones.
Matti Hamalainen <ccr@tnsp.org>
parents: 60
diff changeset
336
1ab3fd8b9afc Move some very tiny gfx functions to the dmlib header as static inline ones.
Matti Hamalainen <ccr@tnsp.org>
parents: 60
diff changeset
337 static inline void dmClearSurface(SDL_Surface *screen, const Uint32 col)
1ab3fd8b9afc Move some very tiny gfx functions to the dmlib header as static inline ones.
Matti Hamalainen <ccr@tnsp.org>
parents: 60
diff changeset
338 {
1ab3fd8b9afc Move some very tiny gfx functions to the dmlib header as static inline ones.
Matti Hamalainen <ccr@tnsp.org>
parents: 60
diff changeset
339 SDL_FillRect(screen, NULL, col);
1ab3fd8b9afc Move some very tiny gfx functions to the dmlib header as static inline ones.
Matti Hamalainen <ccr@tnsp.org>
parents: 60
diff changeset
340 }
1ab3fd8b9afc Move some very tiny gfx functions to the dmlib header as static inline ones.
Matti Hamalainen <ccr@tnsp.org>
parents: 60
diff changeset
341
1ab3fd8b9afc Move some very tiny gfx functions to the dmlib header as static inline ones.
Matti Hamalainen <ccr@tnsp.org>
parents: 60
diff changeset
342
1ab3fd8b9afc Move some very tiny gfx functions to the dmlib header as static inline ones.
Matti Hamalainen <ccr@tnsp.org>
parents: 60
diff changeset
343 static inline Uint32 dmMapRGB(SDL_Surface *screen, int r, int g, int b)
1ab3fd8b9afc Move some very tiny gfx functions to the dmlib header as static inline ones.
Matti Hamalainen <ccr@tnsp.org>
parents: 60
diff changeset
344 {
1ab3fd8b9afc Move some very tiny gfx functions to the dmlib header as static inline ones.
Matti Hamalainen <ccr@tnsp.org>
parents: 60
diff changeset
345 return SDL_MapRGB(screen->format, r, g, b);
1ab3fd8b9afc Move some very tiny gfx functions to the dmlib header as static inline ones.
Matti Hamalainen <ccr@tnsp.org>
parents: 60
diff changeset
346 }
1ab3fd8b9afc Move some very tiny gfx functions to the dmlib header as static inline ones.
Matti Hamalainen <ccr@tnsp.org>
parents: 60
diff changeset
347
1ab3fd8b9afc Move some very tiny gfx functions to the dmlib header as static inline ones.
Matti Hamalainen <ccr@tnsp.org>
parents: 60
diff changeset
348
1ab3fd8b9afc Move some very tiny gfx functions to the dmlib header as static inline ones.
Matti Hamalainen <ccr@tnsp.org>
parents: 60
diff changeset
349 static inline Uint32 dmMapRGBA(SDL_Surface *screen, int r, int g, int b, int a)
1ab3fd8b9afc Move some very tiny gfx functions to the dmlib header as static inline ones.
Matti Hamalainen <ccr@tnsp.org>
parents: 60
diff changeset
350 {
1ab3fd8b9afc Move some very tiny gfx functions to the dmlib header as static inline ones.
Matti Hamalainen <ccr@tnsp.org>
parents: 60
diff changeset
351 return SDL_MapRGBA(screen->format, r, g, b, a);
1ab3fd8b9afc Move some very tiny gfx functions to the dmlib header as static inline ones.
Matti Hamalainen <ccr@tnsp.org>
parents: 60
diff changeset
352 }
1ab3fd8b9afc Move some very tiny gfx functions to the dmlib header as static inline ones.
Matti Hamalainen <ccr@tnsp.org>
parents: 60
diff changeset
353
1ab3fd8b9afc Move some very tiny gfx functions to the dmlib header as static inline ones.
Matti Hamalainen <ccr@tnsp.org>
parents: 60
diff changeset
354
1ab3fd8b9afc Move some very tiny gfx functions to the dmlib header as static inline ones.
Matti Hamalainen <ccr@tnsp.org>
parents: 60
diff changeset
355 static inline int dmDirectBlitSurface(SDL_Surface *bmp, SDL_Surface *screen)
1ab3fd8b9afc Move some very tiny gfx functions to the dmlib header as static inline ones.
Matti Hamalainen <ccr@tnsp.org>
parents: 60
diff changeset
356 {
1ab3fd8b9afc Move some very tiny gfx functions to the dmlib header as static inline ones.
Matti Hamalainen <ccr@tnsp.org>
parents: 60
diff changeset
357 return SDL_BlitSurface(bmp, NULL, screen, NULL);
1ab3fd8b9afc Move some very tiny gfx functions to the dmlib header as static inline ones.
Matti Hamalainen <ccr@tnsp.org>
parents: 60
diff changeset
358 }
0
32250b436bca Initial re-import.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
359
32250b436bca Initial re-import.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
360
611
828d86cd10e0 Add new dmCopySurface() helper/wrapper function.
Matti Hamalainen <ccr@tnsp.org>
parents: 610
diff changeset
361 static inline SDL_Surface *dmCopySurface(SDL_Surface *src)
828d86cd10e0 Add new dmCopySurface() helper/wrapper function.
Matti Hamalainen <ccr@tnsp.org>
parents: 610
diff changeset
362 {
828d86cd10e0 Add new dmCopySurface() helper/wrapper function.
Matti Hamalainen <ccr@tnsp.org>
parents: 610
diff changeset
363 if (src != NULL)
828d86cd10e0 Add new dmCopySurface() helper/wrapper function.
Matti Hamalainen <ccr@tnsp.org>
parents: 610
diff changeset
364 return SDL_ConvertSurface(src, src->format, src->flags);
828d86cd10e0 Add new dmCopySurface() helper/wrapper function.
Matti Hamalainen <ccr@tnsp.org>
parents: 610
diff changeset
365 else
828d86cd10e0 Add new dmCopySurface() helper/wrapper function.
Matti Hamalainen <ccr@tnsp.org>
parents: 610
diff changeset
366 return NULL;
828d86cd10e0 Add new dmCopySurface() helper/wrapper function.
Matti Hamalainen <ccr@tnsp.org>
parents: 610
diff changeset
367 }
828d86cd10e0 Add new dmCopySurface() helper/wrapper function.
Matti Hamalainen <ccr@tnsp.org>
parents: 610
diff changeset
368
828d86cd10e0 Add new dmCopySurface() helper/wrapper function.
Matti Hamalainen <ccr@tnsp.org>
parents: 610
diff changeset
369
0
32250b436bca Initial re-import.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
370 /* Global variables
32250b436bca Initial re-import.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
371 */
32250b436bca Initial re-import.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
372 extern char *dmProgName,
32250b436bca Initial re-import.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
373 *dmProgDesc,
32250b436bca Initial re-import.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
374 *dmProgVersion,
32250b436bca Initial re-import.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
375 *dmProgAuthor,
32250b436bca Initial re-import.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
376 *dmProgLicense;
32250b436bca Initial re-import.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
377
32250b436bca Initial re-import.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
378 extern int dmVerbosity;
32250b436bca Initial re-import.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
379 void dmInitProg(char *name, char *desc, char *version, char *author, char *license);
32250b436bca Initial re-import.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
380 void dmPrintBanner(FILE *outFile, const char *name, const char *usage);
32250b436bca Initial re-import.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
381
32250b436bca Initial re-import.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
382 void dmMsgVA(int level, const char *fmt, va_list ap);
32250b436bca Initial re-import.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
383 void dmMsg(int level, const char *fmt, ...);
32250b436bca Initial re-import.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
384 void dmPrintVA(int level, const char *fmt, va_list ap);
32250b436bca Initial re-import.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
385 void dmPrint(int level, const char *fmt, ...);
32250b436bca Initial re-import.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
386 void dmErrorVA(const char *fmt, va_list);
32250b436bca Initial re-import.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
387 void dmError(const char *fmt, ...);
32250b436bca Initial re-import.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
388
32250b436bca Initial re-import.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
389 void * dmMalloc(size_t);
32250b436bca Initial re-import.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
390 void * dmMalloc0(size_t);
32250b436bca Initial re-import.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
391 void * dmRealloc(void *, size_t);
32250b436bca Initial re-import.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
392 void * dmCalloc(size_t, size_t);
32250b436bca Initial re-import.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
393 void dmFree(void *);
32250b436bca Initial re-import.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
394
871
fc272f5f2d15 Make value type of dmGetIntVal() unsigned.
Matti Hamalainen <ccr@tnsp.org>
parents: 863
diff changeset
395 BOOL dmGetIntVal(const char *s, unsigned int *i);
0
32250b436bca Initial re-import.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
396
32250b436bca Initial re-import.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
397 int dmGetErrno();
32250b436bca Initial re-import.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
398 const char *dmErrorStr(int error);
32250b436bca Initial re-import.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
399
32250b436bca Initial re-import.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
400 char * dm_strdup(const char *);
744
2726d91e3409 Add implementation of dm_strndup().
Matti Hamalainen <ccr@tnsp.org>
parents: 612
diff changeset
401 char * dm_strndup(const char *, const size_t n);
0
32250b436bca Initial re-import.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
402 char * dm_strdup_vprintf(const char *, va_list);
32250b436bca Initial re-import.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
403 char * dm_strdup_printf(const char *, ...);
32250b436bca Initial re-import.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
404
813
b0cd28b6c9f3 Add new utility functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 812
diff changeset
405 char * dm_basefilename(const char *filename);
b0cd28b6c9f3 Add new utility functions.
Matti Hamalainen <ccr@tnsp.org>
parents: 812
diff changeset
406 char * dm_strdup_fext(const char *filename, const char *fmt);
816
091461e0213f Add new utility function.
Matti Hamalainen <ccr@tnsp.org>
parents: 813
diff changeset
407 char * dm_strrcasecmp(char *str, const char *needle);
0
32250b436bca Initial re-import.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
408
294
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 288
diff changeset
409 /* Mutexes
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 288
diff changeset
410 */
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 288
diff changeset
411 #ifdef DM_MUTEX_DEBUG
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 288
diff changeset
412
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 288
diff changeset
413 typedef struct
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 288
diff changeset
414 {
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 288
diff changeset
415 BOOL used;
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 288
diff changeset
416 Uint32 id;
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 288
diff changeset
417 int state;
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 288
diff changeset
418 } DMMutexLock;
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 288
diff changeset
419
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 288
diff changeset
420 typedef struct
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 288
diff changeset
421 {
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 288
diff changeset
422 char *cr_file;
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 288
diff changeset
423 int cr_line;
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 288
diff changeset
424 SDL_mutex *m;
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 288
diff changeset
425 DMMutexLock locks[8];
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 288
diff changeset
426 } DMMutex;
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 288
diff changeset
427
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 288
diff changeset
428 #define dmMutexLock(x) dmDOMutexLock(x, __FILE__, (int) __LINE__)
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 288
diff changeset
429 #define dmMutexUnlock(x) dmDOMutexUnlock(x, __FILE__, (int) __LINE__)
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 288
diff changeset
430 #define dmCreateMutex(x) dmDOCreateMutex(__FILE__, (int) __LINE__)
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 288
diff changeset
431
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 288
diff changeset
432 int dmDOMutexLock(DMMutex *mutex, const char *file, const int line);
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 288
diff changeset
433 int dmDOMutexUnlock(DMMutex *mutex, const char *file, const int line);
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 288
diff changeset
434 DMMutex * dmDOCreateMutex(const char *file, const int line);
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 288
diff changeset
435 void dmDestroyMutex(DMMutex *mutex);
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 288
diff changeset
436
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 288
diff changeset
437 #else
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 288
diff changeset
438 #define DMMutex SDL_mutex
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 288
diff changeset
439 #define dmCreateMutex() SDL_CreateMutex()
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 288
diff changeset
440 #define dmDestroyMutex(x) SDL_DestroyMutex(x)
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 288
diff changeset
441 #define dmMutexLock(x) SDL_mutexP(x)
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 288
diff changeset
442 #define dmMutexUnlock(x) SDL_mutexV(x)
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 288
diff changeset
443 #endif
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 288
diff changeset
444
0
32250b436bca Initial re-import.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
445 /* Endianess swapping macros
32250b436bca Initial re-import.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
446 */
32250b436bca Initial re-import.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
447 #define DM_SWAP_16_LE_BE(value) ((Uint16) ( \
32250b436bca Initial re-import.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
448 (Uint16) ((Uint16) (value) >> 8) | \
32250b436bca Initial re-import.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
449 (Uint16) ((Uint16) (value) << 8)) )
32250b436bca Initial re-import.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
450
32250b436bca Initial re-import.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
451
32250b436bca Initial re-import.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
452 #define DM_SWAP_32_LE_BE(value) ((Uint32) ( \
32250b436bca Initial re-import.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
453 (((Uint32) (value) & (Uint32) 0x000000ffU) << 24) | \
32250b436bca Initial re-import.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
454 (((Uint32) (value) & (Uint32) 0x0000ff00U) << 8) | \
32250b436bca Initial re-import.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
455 (((Uint32) (value) & (Uint32) 0x00ff0000U) >> 8) | \
32250b436bca Initial re-import.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
456 (((Uint32) (value) & (Uint32) 0xff000000U) >> 24)))
32250b436bca Initial re-import.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
457
32250b436bca Initial re-import.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
458 #define DM_SWAP_64_LE_BE(value) ((Uint64) ( \
32250b436bca Initial re-import.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
459 (((Uint64) (value) & (Uint64) 0x00000000000000ffULL) << 56) | \
32250b436bca Initial re-import.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
460 (((Uint64) (value) & (Uint64) 0x000000000000ff00ULL) << 40) | \
32250b436bca Initial re-import.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
461 (((Uint64) (value) & (Uint64) 0x0000000000ff0000ULL) << 24) | \
32250b436bca Initial re-import.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
462 (((Uint64) (value) & (Uint64) 0x00000000ff000000ULL) << 8) | \
32250b436bca Initial re-import.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
463 (((Uint64) (value) & (Uint64) 0x000000ff00000000ULL) >> 8) | \
32250b436bca Initial re-import.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
464 (((Uint64) (value) & (Uint64) 0x0000ff0000000000ULL) >> 24) | \
32250b436bca Initial re-import.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
465 (((Uint64) (value) & (Uint64) 0x00ff000000000000ULL) >> 40) | \
32250b436bca Initial re-import.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
466 (((Uint64) (value) & (Uint64) 0xff00000000000000ULL) >> 56)))
873
26ea35e914ca Oops. 10L.
Matti Hamalainen <ccr@tnsp.org>
parents: 872
diff changeset
467
0
32250b436bca Initial re-import.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
468
32250b436bca Initial re-import.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
469 /* Macros that swap only when needed ...
32250b436bca Initial re-import.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
470 */
32250b436bca Initial re-import.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
471 #if (SDL_BYTEORDER == SDL_BIG_ENDIAN)
770
a8bd679934c7 Indentation cosmetics.
Matti Hamalainen <ccr@tnsp.org>
parents: 744
diff changeset
472 # define DM_LE16_TO_NATIVE(value) DM_SWAP_16_LE_BE(value)
a8bd679934c7 Indentation cosmetics.
Matti Hamalainen <ccr@tnsp.org>
parents: 744
diff changeset
473 # define DM_LE32_TO_NATIVE(value) DM_SWAP_32_LE_BE(value)
a8bd679934c7 Indentation cosmetics.
Matti Hamalainen <ccr@tnsp.org>
parents: 744
diff changeset
474 # define DM_NATIVE_TO_LE16(value) DM_SWAP_16_LE_BE(value)
a8bd679934c7 Indentation cosmetics.
Matti Hamalainen <ccr@tnsp.org>
parents: 744
diff changeset
475 # define DM_NATIVE_TO_LE32(value) DM_SWAP_32_LE_BE(value)
0
32250b436bca Initial re-import.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
476
770
a8bd679934c7 Indentation cosmetics.
Matti Hamalainen <ccr@tnsp.org>
parents: 744
diff changeset
477 # define DM_BE16_TO_NATIVE(value) ((Uint16) (value))
a8bd679934c7 Indentation cosmetics.
Matti Hamalainen <ccr@tnsp.org>
parents: 744
diff changeset
478 # define DM_BE32_TO_NATIVE(value) ((Uint32) (value))
a8bd679934c7 Indentation cosmetics.
Matti Hamalainen <ccr@tnsp.org>
parents: 744
diff changeset
479 # define DM_NATIVE_TO_BE16(value) ((Uint16) (value))
a8bd679934c7 Indentation cosmetics.
Matti Hamalainen <ccr@tnsp.org>
parents: 744
diff changeset
480 # define DM_NATIVE_TO_BE32(value) ((Uint32) (value))
0
32250b436bca Initial re-import.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
481
872
b01d04e44b6f Assume we always have 64bit type.
Matti Hamalainen <ccr@tnsp.org>
parents: 871
diff changeset
482 # define DM_LE64_TO_NATIVE(value) DM_SWAP_64_LE_BE(value)
b01d04e44b6f Assume we always have 64bit type.
Matti Hamalainen <ccr@tnsp.org>
parents: 871
diff changeset
483 # define DM_NATIVE_TO_LE64(value) DM_SWAP_64_LE_BE(value)
b01d04e44b6f Assume we always have 64bit type.
Matti Hamalainen <ccr@tnsp.org>
parents: 871
diff changeset
484 # define DM_BE64_TO_NATIVE(value) ((Uint64) (value))
b01d04e44b6f Assume we always have 64bit type.
Matti Hamalainen <ccr@tnsp.org>
parents: 871
diff changeset
485 # define DM_NATIVE_TO_BE64(value) ((Uint64) (value))
0
32250b436bca Initial re-import.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
486
32250b436bca Initial re-import.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
487 #elif (SDL_BYTEORDER == SDL_LIL_ENDIAN)
32250b436bca Initial re-import.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
488
770
a8bd679934c7 Indentation cosmetics.
Matti Hamalainen <ccr@tnsp.org>
parents: 744
diff changeset
489 # define DM_LE16_TO_NATIVE(value) ((Uint16) (value))
a8bd679934c7 Indentation cosmetics.
Matti Hamalainen <ccr@tnsp.org>
parents: 744
diff changeset
490 # define DM_LE32_TO_NATIVE(value) ((Uint32) (value))
a8bd679934c7 Indentation cosmetics.
Matti Hamalainen <ccr@tnsp.org>
parents: 744
diff changeset
491 # define DM_NATIVE_TO_LE16(value) ((Uint16) (value))
a8bd679934c7 Indentation cosmetics.
Matti Hamalainen <ccr@tnsp.org>
parents: 744
diff changeset
492 # define DM_NATIVE_TO_LE32(value) ((Uint32) (value))
0
32250b436bca Initial re-import.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
493
770
a8bd679934c7 Indentation cosmetics.
Matti Hamalainen <ccr@tnsp.org>
parents: 744
diff changeset
494 # define DM_BE16_TO_NATIVE(value) DM_SWAP_16_LE_BE(value)
a8bd679934c7 Indentation cosmetics.
Matti Hamalainen <ccr@tnsp.org>
parents: 744
diff changeset
495 # define DM_BE32_TO_NATIVE(value) DM_SWAP_32_LE_BE(value)
a8bd679934c7 Indentation cosmetics.
Matti Hamalainen <ccr@tnsp.org>
parents: 744
diff changeset
496 # define DM_NATIVE_TO_BE16(value) DM_SWAP_16_LE_BE(value)
a8bd679934c7 Indentation cosmetics.
Matti Hamalainen <ccr@tnsp.org>
parents: 744
diff changeset
497 # define DM_NATIVE_TO_BE32(value) DM_SWAP_32_LE_BE(value)
0
32250b436bca Initial re-import.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
498
872
b01d04e44b6f Assume we always have 64bit type.
Matti Hamalainen <ccr@tnsp.org>
parents: 871
diff changeset
499 # define DM_LE64_TO_NATIVE(value) ((Uint64) (value))
b01d04e44b6f Assume we always have 64bit type.
Matti Hamalainen <ccr@tnsp.org>
parents: 871
diff changeset
500 # define DM_NATIVE_TO_LE64(value) ((Uint64) (value))
b01d04e44b6f Assume we always have 64bit type.
Matti Hamalainen <ccr@tnsp.org>
parents: 871
diff changeset
501 # define DM_BE64_TO_NATIVE(value) DM_SWAP_64_LE_BE(value)
b01d04e44b6f Assume we always have 64bit type.
Matti Hamalainen <ccr@tnsp.org>
parents: 871
diff changeset
502 # define DM_NATIVE_TO_BE64(value) DM_SWAP_64_LE_BE(value)
0
32250b436bca Initial re-import.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
503 #endif
32250b436bca Initial re-import.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
504
32250b436bca Initial re-import.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
505
32250b436bca Initial re-import.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
506 #ifdef __cplusplus
32250b436bca Initial re-import.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
507 }
32250b436bca Initial re-import.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
508 #endif
359
59045853853d Make resource management re-entrant.
Matti Hamalainen <ccr@tnsp.org>
parents: 341
diff changeset
509
0
32250b436bca Initial re-import.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
510 #endif // DMLIB_H