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1 #include "dmengine.h"
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2 #include "dmtext.h"
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3 #include "dmfft.h"
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4 #include "dmvecmat.h"
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5 #include <math.h>
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6
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7 static int demoInit(DMEngineData *engine);
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8 static void demoShutdown(DMEngineData *engine);
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9 static int demoRender(DMEngineData *engine);
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10
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11
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12 int demoPreInit(DMEngineData *engine)
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13 {
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14 dmInitProg("bussi",
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2
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15 "Bussi by AnCiat ProDucTionz",
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0
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16 "0", "ENGINE INITTIALISSSIZING!!!!!", NULL);
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17
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18 engine->optPackFilename = "bussi.dat";
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19 engine->optDataPath = NULL;
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20 engine->optResFlags = DRF_USE_PACK | DRF_PRELOAD_RES | DRF_USE_STDIO;
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21
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22 engine->optAudioSetup = DM_ASETUP_JSS;
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23
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24 engine->optVidSetup = DM_VSETUP_ASPECT;
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25 engine->optVidWidth = 640;
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26 engine->optVidHeight = 480;
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27 engine->optVidDepth = 32;
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28 engine->optVFlags = SDL_SWSURFACE;
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29
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30 engine->demoInit = demoInit;
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31 engine->demoRender = demoRender;
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32 engine->demoShutdown = demoShutdown;
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33
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34 return DMERR_OK;
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35 }
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36
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37
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38 #define FFT_SIZE 128
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39 DMFFTContext fft;
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40
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41
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42 static int demoInit(DMEngineData *engine)
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43 {
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44 int i;
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45 JSSModule *mod = NULL;
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46
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47 dmInitializeFFT(&fft, FFT_SIZE);
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48
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49 engineGetResModule(engine, mod, "pas2.xm");
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50
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51 if ((i = jssConvertModuleForPlaying(mod)) != DMERR_OK)
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52 {
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53 dmErrorMsg("Could not convert module for playing, %d: %s\n",
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54 i, dmErrorStr(i));
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55 return DMERR_INIT_FAIL;
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56 }
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57
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58 jvmSetCallback(engine->jssDev, jmpExec, engine->jssPlr);
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59 jmpSetModule(engine->jssPlr, mod);
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60 jmpPlayOrder(engine->jssPlr, 0);
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61 jvmSetGlobalVol(engine->jssDev, 55);
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62
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63 // Jne
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64 srand(15);
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65
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66 return DMERR_OK;
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67 }
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68
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69
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70 static void demoShutdown(DMEngineData *engine)
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71 {
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72 (void) engine;
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73 dmEndFFT(&fft);
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74 }
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75
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76
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77 static inline float dmCX(DMEngineData *engine, const float x)
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78 {
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79 return (x * engine->screen->w);
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80 }
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81
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82
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83 static inline float dmCY(DMEngineData *engine, const float y)
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84 {
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85 return (y * engine->screen->h);
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86 }
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87
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88
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89 static inline float dmQX(DMEngineData *engine, SDL_Surface *img, const float x)
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90 {
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91 return engine->optVidNative ? (img->w * x) : (img->w * engine->screen->w * x) / 640.0f;
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92 }
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93
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94
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95 static inline float dmQY(DMEngineData *engine, SDL_Surface *img, const float y)
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96 {
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97 return engine->optVidNative ? (img->h * y) : (img->h * engine->screen->h * y) / 480.0f;
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98 }
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99
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100
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101 #define DM_RADIAL_BLUR(YC, XC) \
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102 DMVector p1 = { xc, yc, 0, 0 }, p2 = { cx, cy, 0, 0 }, v; \
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103 dm_vector_sub_r(&v, &p2, &p1); \
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104 dm_vector_scale(&v, scale); \
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105 dm_vector_add(&v, &p1); \
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106 if (v.y YC || v.x XC) continue; \
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107 DMColor *dp = pix + xc, \
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108 *q = ((DMColor *)img->pixels) + ((int)(v.y) * pitch) + (int)v.x; \
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109 dp->r = (q->r + dp->r) / 2; \
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110 dp->g = (q->g + dp->g) / 2; \
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111 dp->b = (q->b + dp->b) / 2;
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112
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113
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114
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115 void dmRadialBlur(SDL_Surface *img, const int cx, const int cy, const DMFloat scale)
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116 {
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117 const int pitch = img->pitch / sizeof(DMColor);
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118 int xc, yc;
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119
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120 #pragma omp parallel private(yc, xc) shared(img)
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121 {
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122 #pragma omp sections nowait
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123 {
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124 #pragma omp section
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125 for (yc = cy; yc >= 0; yc--)
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126 {
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127 DMColor *pix = ((DMColor *)img->pixels) + yc * pitch;
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128 for (xc = cx + 1; xc < img->w; xc++)
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129 {
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130 DM_RADIAL_BLUR(< 0, >= img->w)
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131 }
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132 }
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133
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134 #pragma omp section
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135 for (yc = cy; yc >= 0; yc--)
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136 {
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137 DMColor *pix = ((DMColor *)img->pixels) + yc * pitch;
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138 for (xc = cx; xc > 0; xc--)
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139 {
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140 DM_RADIAL_BLUR(< 0, < 0)
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141 }
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142 }
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143
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144 #pragma omp section
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145 for (yc = cy + 1; yc < img->h; yc++)
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146 {
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147 DMColor *pix = ((DMColor *)img->pixels) + yc * pitch;
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148 for (xc = cx; xc > 0; xc--)
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149 {
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150 DM_RADIAL_BLUR(>= img->h, < 0)
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151 }
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152 }
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153
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154 #pragma omp section
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155 for (yc = cy + 1; yc < img->h; yc++)
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156 {
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157 DMColor *pix = ((DMColor *)img->pixels) + yc * pitch;
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158 for (xc = cx + 1; xc < img->w; xc++)
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159 {
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160 DM_RADIAL_BLUR(>= img->h, >= img->w)
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161 }
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162 }
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163 }
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164 }
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165 }
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166
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167
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168
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169 static int demoRender(DMEngineData *engine)
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170 {
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171 float t = engineGetTimeDT(engine);
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3
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172
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0
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173
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3
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174 //
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0
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175 // Do FFT
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3
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176 //
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0
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177 DMFFTType fftPow = 0;
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178 BOOL fftOK = FALSE;
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179 static DMFFTType fftAmp[FFT_SIZE / 2];
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180 static DMFFTType fftData[FFT_SIZE];
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181
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182 dmMutexLock(engine->audioStreamMutex);
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183 if (engine->audioStreamBuf != 0 && engine->audioStreamLen > FFT_SIZE)
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184 {
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185 int i;
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186 Sint16 *buf = (Sint16 *) engine->audioStreamBuf;
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187 for (i = 0; i < FFT_SIZE; i++)
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188 {
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189 fftData[i] = *buf;
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190 buf += 2;
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191 }
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192 fftOK = TRUE;
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193 }
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194 dmMutexUnlock(engine->audioStreamMutex);
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195
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196 if (fftOK)
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197 {
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198 dmRealFFT(&fft, fftData);
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199 dmConvertFFTtoPowerAndSum(&fft, fftData, fftAmp, 1.0, &fftPow, 0.00004f);
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200 }
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201
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3
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202
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203 //
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204 // Taustaskrolli
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205 //
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0
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206 {
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3
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207 static SDL_Surface *tausta = NULL,
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208 *aurinko = NULL,
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209 *puu1 = NULL,
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210 *puu2 = NULL,
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211 *bussi = NULL,
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212 *rengas = NULL;
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213
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214 static DMScaledBlitFunc cblit = NULL, ablit = NULL;
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215 static BOOL nollattu = FALSE;
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216 static DMLerpContext fadeLerp, fadeLerp2, fadeLerp3;
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217
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218 if (!nollattu)
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219 {
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220 dmLerpInit(&fadeLerp, 0, 255, 3000);
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221 dmLerpInit(&fadeLerp2, 0, 255, 4000);
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222 dmLerpInit(&fadeLerp3, 0, 1.2, 3000);
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223 engineGetResImage(engine, tausta, "tausta_pv.png");
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224 engineGetResImage(engine, aurinko, "aurinko.png");
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225 engineGetResImage(engine, puu1, "puu_pv_1.png");
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226 engineGetResImage(engine, puu2, "puu_pv_2.png");
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227 engineGetResImage(engine, bussi, "auto.png");
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228 engineGetResImage(engine, rengas, "rengas.png");
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229 cblit = dmGetScaledBlitFunc(tausta->format, engine->screen->format, DMD_NONE);
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230 ablit = dmGetScaledBlitFunc(bussi->format, engine->screen->format, DMD_TRANSPARENT);
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231 }
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232
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233 int x1 = - ((int)dmQX(engine, tausta, t * 0.2) % tausta->w),
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234 x2 = x1 + tausta->w;
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235
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236 int fadeVal;
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237 if (t < 3 || t > 64)
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238 {
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239 if (t < 3)
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240 fadeVal = dmLerpSCurveClamp(&fadeLerp, engineGetTime(engine, 0));
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241 else
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242 fadeVal = dmLerpSCurveClamp(&fadeLerp2, engineGetTime(engine, 64));
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243
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244 dmClearSurface(engine->screen, dmMapRGB(engine->screen, 0,0,0));
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245 dmScaledBlitSurface32to32TransparentGA(tausta, x1, 0, tausta->w, tausta->h, engine->screen, fadeVal);
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246 dmScaledBlitSurface32to32TransparentGA(tausta, x2, 0, tausta->w, tausta->h, engine->screen, fadeVal);
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247 }
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248 else
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249 {
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250 fadeVal = 255;
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251 cblit(tausta, x1, 0, tausta->w, tausta->h, engine->screen);
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252 cblit(tausta, x2, 0, tausta->w, tausta->h, engine->screen);
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253 }
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254
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255 float qm = sin(t * 0.1 + fftPow * 5) * 15, qm2 = qm*2;
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256 dmScaledBlitSurface32to32TransparentGA(aurinko,
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257 dmCX(engine, 0.8 - dmLerpSCurveClamp(&fadeLerp3, engineGetTime(engine, 0) * 0.01) * 0.3 ) - qm,
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258 dmCY(engine, 0.05) - qm,
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259 aurinko->w + qm2, aurinko->h + qm2,
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260 engine->screen, fadeVal);
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261
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262
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263 // Bussi ajaa sisään
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264 if (t > 4)
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265 {
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266 float
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267 dt = engineGetTime(engine, 4),
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268 ajelu = dmLerpSCurveClamp(&fadeLerp3, dt),
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269 xc = dmCX(engine, -1 + ajelu),
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270 yc = dmCY(engine, 0.35 + sin(t * 10) * 0.005),
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271 yc2 = yc + dmQY(engine, bussi, 0.7) + dmCY(engine, sin(t * 20) * 0.001);
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272
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273 ablit(rengas, xc + dmQX(engine, bussi, 0.07), yc2, dmQX(engine, rengas, 1), dmQY(engine, rengas, 1), engine->screen);
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274 ablit(rengas, xc + dmQX(engine, bussi, 0.80), yc2, dmQX(engine, rengas, 1), dmQY(engine, rengas, 1), engine->screen);
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275 ablit(bussi, xc, yc, dmQX(engine, bussi, 1), dmQY(engine, bussi, 1), engine->screen);
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276 }
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277 }
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278
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279 //
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280 // AP logo
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281 //
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282 if (t > 4 && t < 8)
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283 {
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284 int dt = engineGetTime(engine, 4);
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0
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285 static DMLerpContext fadeLerp;
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3
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286 static SDL_Surface *logo = NULL;
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0
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287 static BOOL nollattu = FALSE;
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288 if (!nollattu)
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289 {
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3
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290 dmLerpInit(&fadeLerp, 0, 255, 1000);
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291 engineGetResImage(engine, logo, "ap.png");
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292 nollattu = TRUE;
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293 }
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294
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295 int fadeVal;
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296 if (dt < 1000)
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297 fadeVal = dmLerpSCurveClamp(&fadeLerp, dt);
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298 else
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299 if (dt > 3000)
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300 fadeVal = 255 - dmLerpSCurveClamp(&fadeLerp, dt - 3000);
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301 else
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302 fadeVal = 255;
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0
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303
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3
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304 dmScaledBlitSurface32to32TransparentGA(logo,
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305 dmQX(engine, logo, 0.2),
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306 dmQY(engine, logo, 0.3),
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307 dmQX(engine, logo, 1),
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308 dmQY(engine, logo, 1),
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309 engine->screen, fadeVal);
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310 }
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311
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312 //
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313 // BUSSI logo
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314 //
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315 if (t > 10 && t < 14)
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316 {
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317 int dt = engineGetTime(engine, 10);
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318 static DMLerpContext fadeLerp;
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319 static SDL_Surface *logo = NULL, *logo2 = NULL;
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320 static BOOL nollattu = FALSE;
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321 if (!nollattu)
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322 {
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323 dmLerpInit(&fadeLerp, 0, 255, 1000);
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324 engineGetResImage(engine, logo, "bussi_logo.png");
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325 engineGetResImage(engine, logo2, "dosa.png");
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0
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326 nollattu = TRUE;
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327 }
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328
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3
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329 int fadeVal, fadeVal2;
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330 if (dt < 1000)
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331 fadeVal = dmLerpSCurveClamp(&fadeLerp, dt);
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332 else
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333 if (dt > 3000)
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334 fadeVal = 255 - dmLerpSCurveClamp(&fadeLerp, dt - 3000);
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335 else
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336 fadeVal = 255;
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337
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338 if (dt > 1000)
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339 {
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340 if (dt < 2000)
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341 fadeVal2 = dmLerpSCurveClamp(&fadeLerp, dt - 1000);
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342 else
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343 if (dt > 3000)
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344 fadeVal2 = 255 - dmLerpSCurveClamp(&fadeLerp, dt - 3000);
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345 else
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346 fadeVal2 = 255;
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347 }
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348 else
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349 fadeVal2 = 0;
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0
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350
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3
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351 dmScaledBlitSurface32to32TransparentGA(logo,
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352 dmCX(engine, 0.10),
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353 dmCY(engine, 0.2),
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354 dmQX(engine, logo, 1),
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355 dmQY(engine, logo, 1),
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356 engine->screen, fadeVal);
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357
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358 dmScaledBlitSurface32to32TransparentGA(logo2,
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359 dmCX(engine, 0.6),
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360 dmCY(engine, 0.6),
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361 dmQX(engine, logo2, 1),
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362 dmQY(engine, logo2, 1),
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363 engine->screen, fadeVal2);
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364 }
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365
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0
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366
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3
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367 {
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368 static DMScaledBlitFunc cblit = NULL;
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369 static SDL_Surface *maski = NULL;
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370 static BOOL nollattu = FALSE;
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371
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372 if (!nollattu)
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373 {
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374 engineGetResImage(engine, maski, "maze.png");
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375 cblit = dmGetScaledBlitFunc(maski->format, engine->screen->format, DMD_TRANSPARENT);
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376 }
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377
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378 cblit(maski,
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379 0, 0,
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380 dmQX(engine, maski, 1),
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381 dmQY(engine, maski, 1),
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382 engine->screen);
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383 }
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0
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384
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385 return DMERR_OK;
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386 }
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