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1 #include <stdlib.h>
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2
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3 #include "Weather.h"
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4 #include "Viewport.h"
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5 #include "Render.h"
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6
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7 #include "mm7_data.h"
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8
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9
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10
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11
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12 struct Weather *pWeather;
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13
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14
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15
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16 //----- (004C2AA6) --------------------------------------------------------
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17 int Weather::DrawSnow()
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18 {
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19 unsigned __int16 *v1; // edi@1
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20 __int16 *v2; // esi@2
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21 int v3; // eax@2
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22 signed int v4; // eax@6
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23 int v5; // edx@8
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24 __int16 *v6; // esi@11
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25 __int16 *v7; // eax@11
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26 int v8; // ecx@11
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27 int v9; // eax@12
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28 int v10; // ecx@16
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29 int v11; // edx@18
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30 Weather *v12; // eax@20
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31 __int16 *v13; // esi@20
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32 int v14; // eax@21
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33 int v15; // eax@21
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34 int v16; // edx@23
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35 int v17; // eax@24
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36 int v18; // edx@26
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37 int v19; // ecx@27
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38 int v20; // eax@27
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39 char v21; // zf@27
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40 unsigned int v23; // [sp+Ch] [bp-20h]@1
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41 unsigned int v24; // [sp+10h] [bp-1Ch]@1
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42 unsigned int v25; // [sp+14h] [bp-18h]@1
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43 Weather *v26; // [sp+18h] [bp-14h]@1
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44 signed int v27; // [sp+18h] [bp-14h]@20
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45 unsigned int v28; // [sp+1Ch] [bp-10h]@1
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46 unsigned int v29; // [sp+20h] [bp-Ch]@1
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47 __int16 *v30; // [sp+24h] [bp-8h]@2
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48 signed int v31; // [sp+28h] [bp-4h]@1
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49 signed int v32; // [sp+28h] [bp-4h]@10
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50
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51 v26 = this;
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52 v25 = viewparams->uScreenZ;
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53 v28 = viewparams->uScreenY;
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54 v31 = 0;
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55 v1 = pRenderer->pTargetSurface;
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56 v29 = viewparams->uScreenX;
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57 v23 = viewparams->uScreenW;
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58 v24 = viewparams->uScreenZ - viewparams->uScreenX;
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59 do
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60 {
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61 v2 = &v26->field_0[2 * v31];
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62 v30 = &v26->field_0[2 * v31 + 1];
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63 *v2 += rand() % 3 + 1;
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64 *v30 += rand() % 2 + 1;
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65 v3 = *v2;
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66 if ( v3 < (signed int)(v25 - 1) )
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67 {
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68 if ( v3 < (signed int)v29 )
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69 *v2 = v25 - rand() % 8;
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70 }
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71 else
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72 {
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73 *v2 = v29 + rand() % 8;
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74 }
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75 v4 = *v30;
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76 if ( v4 < (signed int)v28 || v4 >= (signed int)v23 )
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77 {
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78 v5 = rand() % (signed int)(v24 - 2);
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79 *v30 = v28;
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80 *v2 = v29 + v5;
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81 }
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82 ++v31;
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83 v1[*v2 + 640 * *v30] = 0xFFFFu;
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84 }
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85 while ( v31 < 700 );
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86 v32 = 700;
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87 do
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88 {
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89 v6 = &v26->field_0[2 * v32];
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90 *v6 += rand() % 5 - 3;
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91 v7 = &v26->field_0[2 * v32 + 1];
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92 v8 = *v6;
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93 *v7 += 4;
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94 if ( v8 < (signed int)v29 )
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95 {
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96 LOWORD(v9) = v25 - rand() % 4 - 2;
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97 LABEL_15:
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98 *v6 = v9;
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99 v7 = &v26->field_0[2 * v32 + 1];
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100 goto LABEL_16;
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101 }
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102 if ( v8 >= (signed int)(v25 - 2) )
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103 {
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104 v9 = rand() % 4 + v29 + 2;
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105 goto LABEL_15;
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106 }
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107 LABEL_16:
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108 v10 = *v7;
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109 if ( v10 < (signed int)v28 || v10 >= (signed int)(v23 - 1) )
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110 {
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111 v11 = rand() % (signed int)(v24 - 2);
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112 v26->field_0[2 * v32 + 1] = v28;
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113 v7 = &v26->field_0[2 * v32 + 1];
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114 *v6 = v29 + v11;
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115 }
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116 *(&v1[640 * *v7 + 1] + *v6) = 0xFFFFu;
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117 *(&v1[640 * *v7 + 641] + *v6) = 0xFFFFu;
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118 v1[*v6 + 640 * (*v7 + 1)] = 0xFFFFu;
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119 ++v32;
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120 v1[*v6 + 640 * *v7] = 0xFFFFu;
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121 }
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122 while ( v32 < 950 );
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123 v12 = v26;
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124 v27 = 50;
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125 v13 = &v12->field_0[1901];
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126 do
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127 {
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128 v14 = rand();
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129 *v13 += 8;
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130 *(v13 - 1) += v14 % 11 - 5;
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131 v15 = *(v13 - 1);
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132 if ( v15 < (signed int)v29 || v15 >= (signed int)(v25 - 5) )
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133 {
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134 v16 = rand() % (signed int)(v24 - 5);
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135 *v13 = v28;
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136 *(v13 - 1) = v29 + v16;
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137 }
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138 v17 = *v13;
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139 if ( v17 < (signed int)v28 || v17 >= (signed int)(v23 - 5) )
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140 {
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141 v18 = rand() % (signed int)(v24 - 5);
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142 *v13 = v28;
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143 *(v13 - 1) = v29 + v18;
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144 }
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145 *(&v1[640 * *v13 + 1] + *(v13 - 1)) = 0xFFFFu;
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146 *(&v1[640 * *v13 + 641] + *(v13 - 1)) = 0xFFFFu;
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147 v1[*(v13 - 1) + 640 * (*v13 + 1)] = 0xFFFFu;
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148 v1[*(v13 - 1) + 640 * *v13] = 0xFFFFu;
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149 *(&v1[640 * *v13 + 1281] + *(v13 - 1)) = 0xFFFFu;
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150 *(&v1[640 * *v13 + 1921] + *(v13 - 1)) = 0xFFFFu;
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151 v1[*(v13 - 1) + 640 * (*v13 + 3)] = 0xFFFFu;
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152 v1[*(v13 - 1) + 640 * (*v13 + 2)] = 0xFFFFu;
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153 *(&v1[640 * *v13 + 3] + *(v13 - 1)) = 0xFFFFu;
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154 *(&v1[640 * *v13 + 643] + *(v13 - 1)) = 0xFFFFu;
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155 *(&v1[640 * *v13 + 642] + *(v13 - 1)) = 0xFFFFu;
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156 *(&v1[640 * *v13 + 2] + *(v13 - 1)) = 0xFFFFu;
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157 *(&v1[640 * *v13 + 1283] + *(v13 - 1)) = 0xFFFFu;
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158 *(&v1[640 * *v13 + 1923] + *(v13 - 1)) = 0xFFFFu;
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159 *(&v1[640 * *v13 + 1922] + *(v13 - 1)) = 0xFFFFu;
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160 v19 = *(v13 - 1);
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161 v20 = 5 * *v13;
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162 v13 += 2;
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163 v21 = v27-- == 1;
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164 *(&v1[128 * v20 + 1282] + v19) = 0xFFFFu;
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165 }
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166 while ( !v21 );
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167 return 0;
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168 }
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169
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170 //----- (004C2EA0) --------------------------------------------------------
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171 int Weather::Initialize()
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172 {
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173 Weather *v1; // edi@1
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174 signed int v2; // esi@1
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175 signed int v3; // ebx@1
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176 signed int v4; // ebp@1
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177
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178 v1 = this;
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179 v2 = 0;
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180 v3 = pViewport->uScreenZ - pViewport->uScreenX - 4;
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181 v4 = pViewport->uScreenW - pViewport->uScreenY - 4;
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182 do
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183 {
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184 v1->field_0[2 * v2++] = LOWORD(pViewport->uViewportX) + rand() % v3;
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185 *((short *)v1 + 2 * v2 - 1) = LOWORD(pViewport->uViewportY) + rand() % v4;
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186 }
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187 while ( v2 < 1000 );
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188 return 0;
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189 }
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190
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191 //----- (004C2EFA) --------------------------------------------------------
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192 int Weather::Draw()
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193 {
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194 if (bRenderSnow)
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195 DrawSnow();
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196 return 0;
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197 }
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198
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199 //----- (004C2F0B) --------------------------------------------------------
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200 bool Weather::_4C2F0B(__int16 a2)
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201 {
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202 int v3; // edx@3
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203 signed int v4; // ebx@3
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204 unsigned int screen_width; // esi@3
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205 __int16 *v6; // eax@5
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206 signed int v7; // edi@5
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207 unsigned int screen_x; // [sp+0h] [bp-Ch]@3
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208 unsigned int screen_z_minus_4; // [sp+4h] [bp-8h]@3
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209 Weather *v10; // [sp+8h] [bp-4h]@1
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210
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211 v10 = this;
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212 if ( this->bRenderSnow != 1 )
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213 return 0;
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214 HIWORD(v3) = HIWORD(viewparams->uScreenX);
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215 v4 = 0;
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216 screen_width = viewparams->uScreenZ - viewparams->uScreenX;
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217 screen_x = viewparams->uScreenX;
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218 screen_z_minus_4 = viewparams->uScreenZ - 4;
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219
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220 auto _this = this->field_0;
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221 while ( 1 )
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222 {
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223 v6 = &_this[2 * v4];
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224 *v6 += a2;
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225 LOWORD(v3) = *v6;
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226 v7 = *v6;
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227 if ( v7 < (signed int)screen_z_minus_4 )
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228 {
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229 if ( v7 >= (signed int)screen_x )
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230 goto LABEL_10;
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231 v3 += screen_width;
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232 }
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233 else
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234 {
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235 v3 = v3 - screen_width + 4;
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236 }
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237 *v6 = v3;
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238 LABEL_10:
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239 ++v4;
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240 if ( v4 >= 1000 )
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241 return 1;
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242 //_this = v10;
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243 }
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244 } |
