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comparison Weather.cpp @ 0:8b8875f5b359

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Initial commit
author Nomad
date Fri, 05 Oct 2012 16:07:14 +0200
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children a84fb3752681
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-1:000000000000 0:8b8875f5b359
1 #include <stdlib.h>
2
3 #include "Weather.h"
4 #include "Viewport.h"
5 #include "Render.h"
6
7 #include "mm7_data.h"
8
9
10
11
12 struct Weather *pWeather;
13
14
15
16 //----- (004C2AA6) --------------------------------------------------------
17 int Weather::DrawSnow()
18 {
19 unsigned __int16 *v1; // edi@1
20 __int16 *v2; // esi@2
21 int v3; // eax@2
22 signed int v4; // eax@6
23 int v5; // edx@8
24 __int16 *v6; // esi@11
25 __int16 *v7; // eax@11
26 int v8; // ecx@11
27 int v9; // eax@12
28 int v10; // ecx@16
29 int v11; // edx@18
30 Weather *v12; // eax@20
31 __int16 *v13; // esi@20
32 int v14; // eax@21
33 int v15; // eax@21
34 int v16; // edx@23
35 int v17; // eax@24
36 int v18; // edx@26
37 int v19; // ecx@27
38 int v20; // eax@27
39 char v21; // zf@27
40 unsigned int v23; // [sp+Ch] [bp-20h]@1
41 unsigned int v24; // [sp+10h] [bp-1Ch]@1
42 unsigned int v25; // [sp+14h] [bp-18h]@1
43 Weather *v26; // [sp+18h] [bp-14h]@1
44 signed int v27; // [sp+18h] [bp-14h]@20
45 unsigned int v28; // [sp+1Ch] [bp-10h]@1
46 unsigned int v29; // [sp+20h] [bp-Ch]@1
47 __int16 *v30; // [sp+24h] [bp-8h]@2
48 signed int v31; // [sp+28h] [bp-4h]@1
49 signed int v32; // [sp+28h] [bp-4h]@10
50
51 v26 = this;
52 v25 = viewparams->uScreenZ;
53 v28 = viewparams->uScreenY;
54 v31 = 0;
55 v1 = pRenderer->pTargetSurface;
56 v29 = viewparams->uScreenX;
57 v23 = viewparams->uScreenW;
58 v24 = viewparams->uScreenZ - viewparams->uScreenX;
59 do
60 {
61 v2 = &v26->field_0[2 * v31];
62 v30 = &v26->field_0[2 * v31 + 1];
63 *v2 += rand() % 3 + 1;
64 *v30 += rand() % 2 + 1;
65 v3 = *v2;
66 if ( v3 < (signed int)(v25 - 1) )
67 {
68 if ( v3 < (signed int)v29 )
69 *v2 = v25 - rand() % 8;
70 }
71 else
72 {
73 *v2 = v29 + rand() % 8;
74 }
75 v4 = *v30;
76 if ( v4 < (signed int)v28 || v4 >= (signed int)v23 )
77 {
78 v5 = rand() % (signed int)(v24 - 2);
79 *v30 = v28;
80 *v2 = v29 + v5;
81 }
82 ++v31;
83 v1[*v2 + 640 * *v30] = 0xFFFFu;
84 }
85 while ( v31 < 700 );
86 v32 = 700;
87 do
88 {
89 v6 = &v26->field_0[2 * v32];
90 *v6 += rand() % 5 - 3;
91 v7 = &v26->field_0[2 * v32 + 1];
92 v8 = *v6;
93 *v7 += 4;
94 if ( v8 < (signed int)v29 )
95 {
96 LOWORD(v9) = v25 - rand() % 4 - 2;
97 LABEL_15:
98 *v6 = v9;
99 v7 = &v26->field_0[2 * v32 + 1];
100 goto LABEL_16;
101 }
102 if ( v8 >= (signed int)(v25 - 2) )
103 {
104 v9 = rand() % 4 + v29 + 2;
105 goto LABEL_15;
106 }
107 LABEL_16:
108 v10 = *v7;
109 if ( v10 < (signed int)v28 || v10 >= (signed int)(v23 - 1) )
110 {
111 v11 = rand() % (signed int)(v24 - 2);
112 v26->field_0[2 * v32 + 1] = v28;
113 v7 = &v26->field_0[2 * v32 + 1];
114 *v6 = v29 + v11;
115 }
116 *(&v1[640 * *v7 + 1] + *v6) = 0xFFFFu;
117 *(&v1[640 * *v7 + 641] + *v6) = 0xFFFFu;
118 v1[*v6 + 640 * (*v7 + 1)] = 0xFFFFu;
119 ++v32;
120 v1[*v6 + 640 * *v7] = 0xFFFFu;
121 }
122 while ( v32 < 950 );
123 v12 = v26;
124 v27 = 50;
125 v13 = &v12->field_0[1901];
126 do
127 {
128 v14 = rand();
129 *v13 += 8;
130 *(v13 - 1) += v14 % 11 - 5;
131 v15 = *(v13 - 1);
132 if ( v15 < (signed int)v29 || v15 >= (signed int)(v25 - 5) )
133 {
134 v16 = rand() % (signed int)(v24 - 5);
135 *v13 = v28;
136 *(v13 - 1) = v29 + v16;
137 }
138 v17 = *v13;
139 if ( v17 < (signed int)v28 || v17 >= (signed int)(v23 - 5) )
140 {
141 v18 = rand() % (signed int)(v24 - 5);
142 *v13 = v28;
143 *(v13 - 1) = v29 + v18;
144 }
145 *(&v1[640 * *v13 + 1] + *(v13 - 1)) = 0xFFFFu;
146 *(&v1[640 * *v13 + 641] + *(v13 - 1)) = 0xFFFFu;
147 v1[*(v13 - 1) + 640 * (*v13 + 1)] = 0xFFFFu;
148 v1[*(v13 - 1) + 640 * *v13] = 0xFFFFu;
149 *(&v1[640 * *v13 + 1281] + *(v13 - 1)) = 0xFFFFu;
150 *(&v1[640 * *v13 + 1921] + *(v13 - 1)) = 0xFFFFu;
151 v1[*(v13 - 1) + 640 * (*v13 + 3)] = 0xFFFFu;
152 v1[*(v13 - 1) + 640 * (*v13 + 2)] = 0xFFFFu;
153 *(&v1[640 * *v13 + 3] + *(v13 - 1)) = 0xFFFFu;
154 *(&v1[640 * *v13 + 643] + *(v13 - 1)) = 0xFFFFu;
155 *(&v1[640 * *v13 + 642] + *(v13 - 1)) = 0xFFFFu;
156 *(&v1[640 * *v13 + 2] + *(v13 - 1)) = 0xFFFFu;
157 *(&v1[640 * *v13 + 1283] + *(v13 - 1)) = 0xFFFFu;
158 *(&v1[640 * *v13 + 1923] + *(v13 - 1)) = 0xFFFFu;
159 *(&v1[640 * *v13 + 1922] + *(v13 - 1)) = 0xFFFFu;
160 v19 = *(v13 - 1);
161 v20 = 5 * *v13;
162 v13 += 2;
163 v21 = v27-- == 1;
164 *(&v1[128 * v20 + 1282] + v19) = 0xFFFFu;
165 }
166 while ( !v21 );
167 return 0;
168 }
169
170 //----- (004C2EA0) --------------------------------------------------------
171 int Weather::Initialize()
172 {
173 Weather *v1; // edi@1
174 signed int v2; // esi@1
175 signed int v3; // ebx@1
176 signed int v4; // ebp@1
177
178 v1 = this;
179 v2 = 0;
180 v3 = pViewport->uScreenZ - pViewport->uScreenX - 4;
181 v4 = pViewport->uScreenW - pViewport->uScreenY - 4;
182 do
183 {
184 v1->field_0[2 * v2++] = LOWORD(pViewport->uViewportX) + rand() % v3;
185 *((short *)v1 + 2 * v2 - 1) = LOWORD(pViewport->uViewportY) + rand() % v4;
186 }
187 while ( v2 < 1000 );
188 return 0;
189 }
190
191 //----- (004C2EFA) --------------------------------------------------------
192 int Weather::Draw()
193 {
194 if (bRenderSnow)
195 DrawSnow();
196 return 0;
197 }
198
199 //----- (004C2F0B) --------------------------------------------------------
200 bool Weather::_4C2F0B(__int16 a2)
201 {
202 int v3; // edx@3
203 signed int v4; // ebx@3
204 unsigned int screen_width; // esi@3
205 __int16 *v6; // eax@5
206 signed int v7; // edi@5
207 unsigned int screen_x; // [sp+0h] [bp-Ch]@3
208 unsigned int screen_z_minus_4; // [sp+4h] [bp-8h]@3
209 Weather *v10; // [sp+8h] [bp-4h]@1
210
211 v10 = this;
212 if ( this->bRenderSnow != 1 )
213 return 0;
214 HIWORD(v3) = HIWORD(viewparams->uScreenX);
215 v4 = 0;
216 screen_width = viewparams->uScreenZ - viewparams->uScreenX;
217 screen_x = viewparams->uScreenX;
218 screen_z_minus_4 = viewparams->uScreenZ - 4;
219
220 auto _this = this->field_0;
221 while ( 1 )
222 {
223 v6 = &_this[2 * v4];
224 *v6 += a2;
225 LOWORD(v3) = *v6;
226 v7 = *v6;
227 if ( v7 < (signed int)screen_z_minus_4 )
228 {
229 if ( v7 >= (signed int)screen_x )
230 goto LABEL_10;
231 v3 += screen_width;
232 }
233 else
234 {
235 v3 = v3 - screen_width + 4;
236 }
237 *v6 = v3;
238 LABEL_10:
239 ++v4;
240 if ( v4 >= 1000 )
241 return 1;
242 //_this = v10;
243 }
244 }