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1 /*
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2 * miniJSS - Module playing routines
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3 * Programmed and designed by Matti 'ccr' Hamalainen
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4 * (C) Copyright 2006-2007 Tecnic Software productions (TNSP)
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5 */
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6 #ifndef JSSPLR_H
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7 #define JSSPLR_H
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8
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9 #include "jss.h"
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10 #include "jssmod.h"
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11 #include "jssmix.h"
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12
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13
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14 // Player general constants
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15 #define mpMinVol (0)
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16 #define mpMaxVol (64)
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17 #define mpPanCenter (0)
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18 #define mpMaxFadeoutVol (65535)
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19
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20
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21 // Channel New-Data flags
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22 #define cdfNONE (0x00) // Set nothing
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23 #define cdfNewInstr (0x01) // Set a new instrument
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24 #define cdfNewPitch (0x02) // Set a new pitch
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25 #define cdfNewPos (0x04) // Set a new position
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26 #define cdfNewVolume (0x08) // Set a new volume
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27 #define cdfNewPanPos (0x10) // Set a new panning position
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28 #define cdfNewGlobalVol (0x20) // Set a new global volume
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29 #define cdfStop (0x80) // Stop channel playing
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30
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31
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32 // Typedefs for channel structures
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33 typedef int JDInt[jsetNChannels];
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34 typedef BOOL JDBool[jsetNChannels];
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35 typedef JSSInstrument * JDInst[jsetNChannels];
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36 typedef JSSExtInstrument * JDEInst[jsetNChannels];
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37
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38
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39 // Struct holding all player related information
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40 typedef struct
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41 {
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42 // General variables
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43 int iTempo, // Current values
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44 iSpeed,
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45 iTick,
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46 iOrder,
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47 iPattern,
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48 iRow,
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49 iGlobalVol,
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50 iOptions; // Playing option flags
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51 BOOL isPlaying; // Are we playing?
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52
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53 int iNewOrder, // NEW order number
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54 iNewRow; // NEW row number
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55 BOOL newOrderSet, // TRUE if new order has been set
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56 newRowSet; // TRUE if new row has been set
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57
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58 // Parameters for effects, etc
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59 BOOL jumpFlag, // Pattern jump flag
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60 breakFlag; // Pattern break flag
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61 int iPatternDelay, // Pattern delay tick-counter
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62 iLastPatLoopRow; // Latest set pattern loop row (any channel)
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63
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64 JDInt iPatLoopRow, // Pattern loop start row for each channel
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65 iPatLoopCount, // Pattern loop count for each channel
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66
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67 iLastPortaParam, // Last portamento effect parameter
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68 iLastPortaToNoteParam, // Last porta-to-note parameter
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69 iLastPortaToNotePitch, // Last porta-to-note pitch
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70
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71 iVibratoPos, // Vibrato waveform position
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72 iVibratoSpeed, // Vibrato speed
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73 iVibratoDepth, // Vibrato depth
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74 iVibratoWC, // Vibrato wave control
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75
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76 iTremoloPos, // Tremolo waveform position
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77 iTremoloSpeed, // Tremolo speed
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78 iTremoloDepth, // Tremolo depth
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79
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80 iTremoloWC, // Tremolo wave control
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81
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82 iLastTremorParam,
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83 iTremorCount,
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84 iLastSampleOffset,
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85 iLastRetrigParam,
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86 iLastVolSlideParam,
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87
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88 iRetrigNDFlags, // For retrig-effect
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89 iSaveNDFlags; // For notedelay-effect
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90
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91 // Current channel data
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92 JDInst iCInstrument; // Instruments
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93 JDEInst iCExtInstrument; // ExtInstruments
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94 JDInt iCInstrumentN,
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95 iCExtInstrumentN,
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96 iCNewDataFlags, // New data flags
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97 iCNote, // Current notes
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98 iCPitch, // Pitches (NOT actual frequencies!)
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99 iCOldPitch,
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100 iCPosition, // Sample positions
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101 iCVolume, // Volumes
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102 iCPanning, // Panning positions
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103
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104 iCFadeOutVol,
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105
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106 iCPanEnv,
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107 iCVolEnv,
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108
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109 iCAutoVib_Frames,
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110 iCPanEnv_Frames,
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111 iCVolEnv_Frames,
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112
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113 iCLastFineVolumeslideUpParam,
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114 iCLastFineVolumeslideDownParam,
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115 iCLastExtraFinePortamentoUpParam,
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116 iCLastExtraFinePortamentoDownParam,
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117 iCLastFinePortamentoUpParam,
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118 iCLastFinePortamentoDownParam;
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119
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120 JDBool iCPanEnv_Exec,
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121 iCVolEnv_Exec,
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122 iCKeyOff;
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123
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124 // Module and sounddevice specific
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125 JSSModule *pModule; // Current module in this player
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126 JSSPattern *pPattern; // Current pattern
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127 JSSMixer *pDevice; // Pointer to mixing device structure
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128
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129 #ifdef JSS_SUP_THREADS
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130 DMMutex *mutex;
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131 #endif
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132
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133 } JSSPlayer;
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134
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135
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136 /* External functions for end users
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137 */
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138 int jmpPlayOrder(JSSPlayer *, int);
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139 int jmpPlayPattern(JSSPlayer *, int);
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140 void jmpStop(JSSPlayer *);
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141 void jmpResume(JSSPlayer *);
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142 void jmpSetModule(JSSPlayer *, JSSModule *);
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143 JSSPlayer * jmpInit(JSSMixer *);
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144 int jmpClose(JSSPlayer *);
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145 void jmpExec(void *, void *);
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146
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147
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148 /* Helper macros
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149 */
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150 #define JMPMAKEPARAM(AIVAL, AVALX, AVALY) { AVALX = (((AIVAL) >> 4) & 0x0f); AVALY = ((AIVAL) & 0x0f); }
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151 #define JMPSETNDFLAGS(IVAL) mp->iCNewDataFlags[channel] |= IVAL
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152 #define JMPUNSETNDFLAGS(IVAL) mp->iCNewDataFlags[channel] &= (~(IVAL))
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153 #define JMPGETNOTE(MNOTE, MROW, MCHAN) assert(mp); assert(mp->pPattern); assert((MROW) >= 0); assert((MROW) < mp->pPattern->nrows); MNOTE = &mp->pPattern->data[(mp->pPattern->nchannels * MROW) + (MCHAN)]
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154 #define JMPGETEFFECT(MEFF, MIEFF) if ((MIEFF >= 0) && (MIEFF < jmpNMODEffectTable)) MEFF = jmpMODEffectTable[MIEFF]; else MEFF = 0
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155 #define JMPGETMODFLAGS(Q, Z) ((Q->pModule->defFlags & (Z)) == (Z))
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156
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157
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158 /* Debugging macros
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159 */
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160 #if !defined(JSS_LIGHT) && defined(JSS_DEBUG)
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161 # define JMPDEBUG(QQ) { fprintf(stderr, "[o=%03d:p=%03d:r=%03d] (%c/%x:%x) %s\n", mp->iOrder, mp->iPattern, mp->iRow, effect, currNote->effect, currNote->param, QQ ); }
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162 #else
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163 # define JMPDEBUG(QQ) // stub
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164 #endif
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165
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166 #endif // JSSPLR_H
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