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annotate dmsimple.c @ 32:d1a6833a5d67

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Added a simple demo engine core.
author Matti Hamalainen <ccr@tnsp.org>
date Sat, 29 Sep 2012 16:59:46 +0300
parents
children a239b7d4e13b
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32
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1 #include "dmsimple.h"
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2
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3
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4 DMEngineData engine;
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5 DMFrameData frame;
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6
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7
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8 int engineLoadResources()
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9 {
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10 int err, loaded, total;
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11
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12 err = dmres_preload(TRUE, &loaded, &total);
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13
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14 while ((err = dmres_preload(FALSE, &loaded, &total)) == DMERR_PROGRESS)
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15 {
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16 // Show a nice progress bar while loading
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17 if (total > 0 && (loaded % 2) == 0)
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18 {
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19 int dx = 60,
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20 dh = 20,
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21 dw = engine.screen->w - (2 * dx),
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22 dy = (engine.screen->h - dh) / 2;
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23
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24 if (SDL_MUSTLOCK(engine.screen) != 0 && SDL_LockSurface(engine.screen) != 0)
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25 return DMERR_INIT_FAIL;
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26
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27 // Draw the progress bar
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28 dmClearSurface(engine.screen, dmMapRGBA(engine.screen, 0,0,0,0));
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29 dmFillRect(engine.screen, dx, dy, dx+dw, dy+dh, dmMapRGB(engine.screen, 255,255,255));
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30 dmFillRect(engine.screen, dx+1, dy+1, dx+dw-1, dy+dh-1, dmMapRGB(engine.screen, 0,0,0));
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31
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32 if (total > 0)
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33 {
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34 dmFillRect(engine.screen,
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35 dx+3, dy+3,
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36 dx + 3 + ((dw - 3) * loaded) / total,
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37 dy + dh - 3,
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38 dmMapRGB(engine.screen, 200,200,200));
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39 }
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40
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41 // Flip screen
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42 if (SDL_MUSTLOCK(engine.screen) != 0)
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43 SDL_UnlockSurface(engine.screen);
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44
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45 SDL_Flip(engine.screen);
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46 }
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47 }
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48
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49 return err;
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50 }
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51
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52
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53 int engineGetTick()
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54 {
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55 return (frame.startTime - engine.startTime) + engine.debugTime * 1000;
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56 }
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57
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58
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59 float engineGetTimeDT()
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60 {
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61 return (float) engineGetTick() / 1000.0f;
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62 }
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63
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64
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65 int engineGetTimeDTi()
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66 {
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67 return (float) engineGetTick() / 1000;
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68 }
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69
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70
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71 int engineGetTime(int t)
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72 {
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73 return engineGetTick() - (1000 * t);;
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74 }
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75
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76
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77 int engineGetDT(int t)
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78 {
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79 return engineGetTime(t) / 1000;
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80 }
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81
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82
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83 static int engineResImageLoad(DMResource *res)
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84 {
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85 SDL_Surface *img = dmLoadImage(res);
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86 if (res != NULL)
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87 {
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88 res->rdata = img;
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89 return DMERR_OK;
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90 }
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91 else
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92 return dmferror(res);
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93 }
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94
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95 static void engineResImageFree(DMResource *res)
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96 {
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97 SDL_FreeSurface((SDL_Surface *)res->rdata);
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98 }
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99
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100 static int engineResModuleLoad(DMResource *res)
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101 {
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102 return jssLoadXM(res, (JSSModule **) &(res->rdata));
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103 }
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104
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105 static void engineResModuleFree(DMResource *res)
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106 {
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107 jssFreeModule((JSSModule *) res->rdata);
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108 }
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109
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110
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111 static DMResourceDataOps engineResImage =
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112 {
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113 engineResImageLoad,
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114 engineResImageFree
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115 };
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116
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117 static DMResourceDataOps engineResModule =
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118 {
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119 engineResModuleLoad,
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120 engineResModuleFree
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121 };
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122
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123
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124 static int engineClassifier(DMResource *res)
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125 {
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126 DMResourceDataOps *rops = NULL;
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127 char *fext;
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128
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129 if (res == NULL)
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130 return DMERR_NULLPTR;
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131
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132 if ((fext = strrchr(res->filename, '.')) != NULL)
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133 {
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134 if (strcasecmp(fext, ".png") == 0 || strcasecmp(fext, ".jpg") == 0)
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135 rops = &engineResImage;
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136 else
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137 if (strcasecmp(fext, ".xm") == 0 || strcasecmp(fext, ".jmod") == 0)
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138 rops = &engineResModule;
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139 }
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140
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141 res->rops = rops;
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142
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143 return DMERR_OK;
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144 }
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145
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146
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147 void *engineGetResource(const char *name)
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148 {
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149 DMResource *res = dmres_find(name);
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150 if (res != NULL && res->rdata != NULL)
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151 return res->rdata;
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152 else
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153 {
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154 dmError("Could not find resource '%s'.\n", name);
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155 return NULL;
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Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
156 }
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
157 }
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
158
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
159
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
160 static void engineAudioCallback(void *userdata, Uint8 *stream, int len)
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
161 {
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
162 JSSMixer *d = (JSSMixer *) userdata;
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
163
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
164 if (d != NULL)
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
165 {
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
166 jvmRenderAudio(d, stream, len / jvmGetSampleSize(d));
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
167 }
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
168 }
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
169
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
170
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
171 int main(int argc, char *argv[])
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
172 {
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
173 int err;
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
174 BOOL initSDL = FALSE;
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
175 SDL_AudioSpec afmt;
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
176
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
177 memset(&afmt, 0, sizeof(afmt));
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
178 memset(&frame, 0, sizeof(frame));
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
179 memset(&engine, 0, sizeof(engine));
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
180
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
181 // Pre-initialization
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
182 if ((err = demoPreInit(argc, argv)) != DMERR_OK)
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
183 goto error_exit;
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
184
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
185 // Initialize resource subsystem
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
186 dmPrint(1, "Initializing resources subsystem.\n");
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
187 if ((err = dmres_init("orvellys.dat", NULL, DRF_USE_PACK | DRF_PRELOAD_RES, engineClassifier)) != DMERR_OK)
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
188 {
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
189 dmError("Could not initialize resource manager: %d, %s.\n", err, dmErrorStr(err));
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
190 goto error_exit;
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
191 }
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
192
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
193 // Initialize SDL components
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
194 if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_AUDIO | SDL_INIT_TIMER) != 0)
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
195 {
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
196 dmError("Could not initialize SDL: %s\n", SDL_GetError());
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
197 goto error_exit;
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
198 }
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
199 initSDL = TRUE;
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
200
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
201 // Initialize JSS
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
202 jssInit();
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
203
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
204 afmt.freq = 44100;
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
205 afmt.format = AUDIO_S16SYS;
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
206 afmt.channels = 2;
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
207 afmt.samples = 16*1024;
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
208
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
209 dmPrint(1, "Initializing miniJSS mixer with: %d, %d, %d\n",
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
210 JSS_AUDIO_S16, afmt.channels, afmt.freq);
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
211
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
212 if ((engine.dev = jvmInit(JSS_AUDIO_S16, afmt.channels, afmt.freq, JMIX_AUTO)) == NULL)
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
213 {
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
214 dmError("jvmInit() returned NULL, voi perkele.\n");
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
215 goto error_exit;
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
216 }
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
217
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
218 if ((engine.plr = jmpInit(engine.dev)) == NULL)
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
219 {
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
220 dmError("jmpInit() returned NULL\n");
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
221 goto error_exit;
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
222 }
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
223
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
224 // Initialize SDL audio
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
225 dmPrint(1, "Trying to init SDL audio with: %d, %d, %d\n",
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
226 afmt.format, afmt.channels, afmt.freq);
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
227
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
228 afmt.callback = engineAudioCallback;
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
229 afmt.userdata = (void *) engine.dev;
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
230
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
231 if (SDL_OpenAudio(&afmt, NULL) < 0)
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
232 {
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
233 dmError("Couldn't open audio: %s\n", SDL_GetError());
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
234 goto error_exit;
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
235 }
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
236
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
237 // Initialize SDL video
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
238 dmPrint(1, "Initializing SDL video %d x %d x %dbpp, flags=0x%08x\n",
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
239 engine.optScrWidth, engine.optScrHeight, engine.optBitDepth, engine.optVFlags);
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
240
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
241 engine.screen = SDL_SetVideoMode(engine.optScrWidth, engine.optScrHeight, engine.optBitDepth, engine.optVFlags);
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
242 if (engine.screen == NULL)
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
243 {
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
244 dmError("Can't SDL_SetVideoMode(): %s\n", SDL_GetError());
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
245 goto error_exit;
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
246 }
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
247
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
248 SDL_ShowCursor(SDL_DISABLE);
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
249 SDL_WM_SetCaption(dmProgDesc, dmProgName);
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
250
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
251
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
252 // Load resources
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
253 if ((err = engineLoadResources()) != DMERR_OK)
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
254 {
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
255 dmError("Error loading resources, %d: %s.\n",
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
256 err, dmErrorStr(err));
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
257 goto error_exit;
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
258 }
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
259
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
260 // Final initializations
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
261 if ((err = demoGlobalInit()) != DMERR_OK)
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
262 goto error_exit;
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
263
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
264 engine.startTime = SDL_GetTicks();
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
265
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
266 while (!engine.exitFlag)
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
267 {
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
268 while (SDL_PollEvent(&engine.event))
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
269 switch (engine.event.type)
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
270 {
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
271 case SDL_KEYDOWN:
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
272 switch (engine.event.key.keysym.sym)
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
273 {
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
274 case SDLK_ESCAPE:
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
275 engine.exitFlag = TRUE;
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
276 break;
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
277
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
278 case SDLK_SPACE:
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
279 engine.pauseFlag = !engine.pauseFlag;
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
280 break;
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
281
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
282 default:
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
283 break;
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
284 }
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
285
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
286 break;
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
287
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
288 case SDL_VIDEOEXPOSE:
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
289 break;
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
290
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
291 case SDL_QUIT:
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
292 engine.exitFlag = TRUE;
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
293 break;
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
294 }
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
295
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
296 // Draw frame
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
297 frame.startTime = SDL_GetTicks();
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
298
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
299 if (SDL_MUSTLOCK(engine.screen) != 0 && SDL_LockSurface(engine.screen) != 0)
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
300 {
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
301 dmError("Can't lock surface.\n");
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
302 goto error_exit;
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
303 }
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
304
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
305 // Call main tick
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
306 if ((err = demoMainTick()) != DMERR_OK)
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
307 goto error_exit;
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
308
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
309 // Flip screen
d1a6833a5d67 Added a simple demo engine core.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
310 if (SDL_MUSTLOCK(engine.screen) != 0)
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311 SDL_UnlockSurface(engine.screen);
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312
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313 SDL_Flip(engine.screen);
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314 SDL_Delay(20);
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315
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316 // Get frame time, etc
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317 frame.endTime = SDL_GetTicks();
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318 engine.currFrame++;
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319 engine.totalFrameTime += frame.endTime - frame.startTime;
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320 }
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321
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322 // Print benchmark results
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323 engine.endTime = SDL_GetTicks();
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324 dmPrint(1, "%d frames in %d ms, fps = %1.3f\n",
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325 engine.currFrame, engine.endTime - engine.startTime,
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326 (float) (engine.currFrame * 1000.0f) / (float) engine.totalFrameTime);
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327
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328
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329 error_exit:
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330
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331 dmPrint(1, "Shutting down.\n");
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332 SDL_ShowCursor(SDL_ENABLE);
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333 SDL_PauseAudio(1);
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334
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335 if (engine.screen)
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336 SDL_FreeSurface(engine.screen);
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337
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338 SDL_LockAudio();
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339 jmpClose(engine.plr);
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340 jvmClose(engine.dev);
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341 jssClose();
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342 SDL_UnlockAudio();
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343
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344 dmres_close();
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345
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346 if (initSDL)
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347 SDL_Quit();
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348
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349 demoFinish();
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350
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351 return 0;
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352 }