Mercurial > hg > forks > multipaint-js
annotate draw_inputs.pde @ 150:d7c13f427178
Cleanups.
author | Matti Hamalainen <ccr@tnsp.org> |
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date | Tue, 14 Aug 2018 15:50:15 +0300 |
parents | 0c2610e112c3 |
children | 8d239bd81584 |
rev | line source |
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1 // Collect all that "reads" the virtual image in some way or other |
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2 // plus other passive manipulations |
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3 |
139 | 4 int odd(int v) |
5 { | |
20 | 6 return (v & 1); |
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7 } |
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8 |
139 | 9 |
10 int even(int v) | |
11 { | |
20 | 12 return 1 - (v & 1); |
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13 } |
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14 |
139 | 15 |
16 float getangel(float xx, float yy) | |
17 { | |
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18 float ang = degrees(atan2(xx, -yy)); |
20 | 19 return (ang < 0) ? 360 + ang : ang; |
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20 } |
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21 |
139 | 22 |
23 int zxcolor(int col) | |
24 { | |
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25 //something that allows different zx brightness colors treated logically as the same |
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26 //i.e. bright red and dark red the same. handy for brush transparency |
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27 if (g_britemode == 0) return col; |
20 | 28 return (col > 7) ? col - 8 : col; |
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29 } |
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30 |
139 | 31 |
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32 //the "slow" call to mark "dirty block" |
139 | 33 void updatepoint(int xx, int yy) |
34 { | |
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35 if (yy < 0 || xx < 0 || xx >= X || yy >= Y) return; |
20 | 36 int ad = int(xx / 8) + int(yy / 8) * MX; |
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37 g_redo[ad] = byte(0); //block update |
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38 g_remdo[ad] = byte(1); //block update |
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39 } |
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40 |
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41 |
139 | 42 int getmultibrush(int x1, int y1) |
43 { | |
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44 //returns the multicolor color on point x1,y1 at brush |
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45 int ad, looks, mmc; |
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46 if (g_multic == 2) return g_brush[1024 + x1 + y1 * X]; |
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47 |
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48 ad = 1024 + x1 + y1 * X; |
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49 looks = 65536 + int(x1 / 8) + int(y1 / 8) * MX; |
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50 mmc = g_brush[ad] + g_brush[ad + 1] * 2; |
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51 switch (mmc) { |
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52 case 0: |
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53 return g_map[1]; |
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54 case 1: |
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55 return g_brush[looks]; |
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56 case 2: |
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57 return g_brush[looks + 1000]; |
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58 case 3: |
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59 if (machine == PLUS4M) return int(g_map[2]); |
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60 return g_brush[looks + 2000]; |
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61 } |
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62 return g_brush[ad] + g_brush[ad + 1] * 2; |
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63 } |
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64 |
139 | 65 |
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66 int getmultic(int x1, int y1, int mode) //mode 0=screen 1=brush |
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67 { |
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68 //returns the multicolor color on point x1,y1 |
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69 int ad, looks, mmc, source1, source2; |
45 | 70 ad = 1024 + x1 + y1 * X; |
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71 |
133
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72 if (g_multic == 2) |
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73 { |
45 | 74 if (mode == 0) return g_map[ad]; |
75 if (mode == 1) return g_brush[ad]; | |
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76 } |
45 | 77 |
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78 source1 = 0; |
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79 source2 = 0; |
45 | 80 |
81 x1 = chop2(x1); | |
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82 looks = 65536 + int(x1 / 8) + int(y1 / 8) * MX; |
45 | 83 |
139 | 84 if (mode == 0) |
85 { | |
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86 source1 = g_map[ad]; |
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87 source2 = g_map[ad + 1]; |
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88 } |
139 | 89 else |
90 if (mode == 1) | |
91 { | |
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92 source1 = g_brush[ad]; |
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93 source2 = g_brush[ad + 1]; |
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94 } |
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95 mmc = source1 + source2 * 2; |
45 | 96 |
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97 //source1=0 |
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98 //source2=+1 |
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99 //00=zeroc =0 |
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100 //01=color1=2 |
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101 //10=color2=1 |
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102 //11=color3=3 |
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103 |
139 | 104 if (mode == 0) |
105 { | |
106 switch (mmc) | |
107 { | |
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108 case 0: |
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109 return g_map[1]; |
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110 case 1: |
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111 return g_map[looks]; |
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112 case 2: |
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113 return g_map[looks + 1000]; |
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114 case 3: |
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115 if (machine == PLUS4M) return int(g_map[2]); |
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116 return g_map[looks + 2000]; |
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117 } |
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118 } |
139 | 119 else |
120 if (mode == 1) | |
121 { | |
122 switch (mmc) | |
123 { | |
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124 case 0: |
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125 return g_map[1]; |
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126 case 1: |
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127 return g_brush[looks]; |
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128 case 2: |
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129 return g_brush[looks + 1000]; |
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130 case 3: |
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131 if (machine == PLUS4M) return int(g_map[2]); |
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132 return g_brush[looks + 2000]; |
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133 } |
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134 } |
139 | 135 |
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136 return source1 + source2; |
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137 } |
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138 |
139 | 139 |
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140 int getattra(int xx, int yy, int mode) //mode foreground backround |
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141 { |
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142 //returns the internal foreground / background color on point xx,yy |
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143 if (g_multic == 2) { |
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144 if (mode == 0) return getmultic(xx, yy, 0); |
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145 return g_backg; |
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146 } |
140 | 147 else |
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148 if (g_multic == 1) { |
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149 if (mode == 0) return getmultic(xx, yy, 0); |
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150 return g_map[1]; // was 0? |
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151 } |
140 | 152 |
153 // XXX ! is this correct? yv is not used | |
154 int val, | |
155 xv = int(xx / 8), | |
156 yv = int(yy / 8); | |
157 | |
158 int ad = 65536 + xv + yy * MX; | |
159 if (mode == 0) | |
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160 val = g_map[ad]; |
140 | 161 else |
162 val = g_map[ad + (MX * MY) * 8]; | |
163 | |
164 if (g_britemode == 1 && val == 8) | |
165 return 0; | |
166 else | |
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167 return val; |
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168 } |
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169 |
139 | 170 |
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171 int getabsa(int xx, int yy, int mode) //mode 0=screen 1=brush |
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172 { |
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173 // returns the visible colour on point xx,yy |
140 | 174 int ssap, val = 0, |
175 sad = 1024 + xx + yy * X, | |
176 ad = 65536 + int(xx / 8) + yy * MX; | |
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177 |
140 | 178 int chek = int(g_map[sad]); |
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179 if (chek == 100 || chek == 200) |
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180 return chek; |
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181 |
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182 if (mode == 0) |
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183 ssap = int(g_map[sad]); |
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184 else |
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185 ssap = int(g_brush[sad]); |
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186 |
139 | 187 if (ssap == 1) |
188 { | |
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189 if (mode == 0) { |
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190 val = g_map[ad]; |
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191 } else { |
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192 val = g_brush[ad]; |
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193 } |
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194 if (g_britemode == 1 && val == 8) return 0; |
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195 return val; |
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196 } |
140 | 197 else |
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198 if (ssap == 0) { |
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199 if (mode == 0) { |
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200 val = g_map[ad + (MX * MY) * 8]; |
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201 } else { |
150 | 202 val = g_brush[ad + (MX * MY) * 8]; |
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203 } |
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204 if (g_britemode == 1 && val == 8) return 0; |
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205 return val; |
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206 } |
140 | 207 else |
208 return g_map[sad]; | |
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209 } |
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210 |
139 | 211 |
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212 //the most accessible way to get a color index from a point |
139 | 213 int easygetcolor(int xx, int yy) |
214 { | |
215 if (yy < 0 || xx < 0 || xx >= X || yy >= Y) | |
216 return 0; | |
217 else | |
218 if (g_multic > 0) | |
219 return getmultic(xx, yy, 0); | |
220 else | |
221 if (g_multic == 0) | |
222 return getabsa(xx, yy, 0); | |
223 else | |
224 return 0; | |
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225 } |
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226 |
139 | 227 |
228 void infersize() | |
229 { | |
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230 int xx, yy, cp, okay; |
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231 int bx, by; |
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232 storeparameters(); |
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233 xx = 0; |
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234 okay = 0; |
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235 cp = easygetcolor(0, 0); |
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236 for (xx = 0; xx < X; xx = xx + g_pixelw) { |
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237 if (easygetcolor(xx, 0) == cp && okay == 0) { |
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238 g_animx = xx; |
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239 } else { |
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240 okay = 1; |
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241 } |
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242 } |
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243 okay = 0; |
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244 for (yy = 0; yy < Y; yy++) { |
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245 if (easygetcolor(0, yy) == cp && okay == 0) { |
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246 g_animy = yy; |
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247 } else { |
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248 okay = 1; |
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249 } |
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250 } |
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251 |
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252 g_animx = g_animx + g_pixelw; |
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253 g_animy = g_animy + 1; |
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254 if (g_animx > 63 || g_animy > 63 || g_animx <= 2 || g_animy <= 2) { |
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255 message("BAD SIZE|See manual"); |
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256 restoreparameters(); |
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257 g_data[int('n')] = 0; |
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258 return; |
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259 } |
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260 int boldsourcex = g_bsourcex; |
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261 int boldsourcey = g_bsourcey; |
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262 int boldsourcex2 = g_bsourcex2; |
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263 int boldsourcey2 = g_bsourcey2; |
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264 |
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265 g_bsourcex = g_animx; |
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266 g_bsourcey = 0; |
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267 g_bsourcex2 = g_animx + g_animx - g_pixelw; |
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268 g_bsourcey2 = g_animy - 1; |
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269 g_animframes = 0; |
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270 g_animno = 1; |
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271 int raamit = -1; |
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272 for (yy = 0; yy <= Y; yy = yy + g_animy) { |
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273 for (xx = 0; xx <= X; xx = xx + g_animx) { |
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274 okay = 1; |
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275 for (bx = 0; bx < g_animx; bx = bx + g_pixelw) { |
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276 for (by = 0; by < g_animy; by++) { |
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277 if (easygetcolor(xx + bx, yy + by) != cp) okay = 0; |
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278 } |
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279 } |
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280 if (okay == 1 && g_animframes <= 1) g_animframes = raamit; |
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281 if (xx + g_animx < X || xx + g_animx == X) raamit++; |
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282 } |
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283 } |
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284 if (g_animframes <= 0) { |
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285 message("BAD BOOKEND|See manual"); |
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286 restoreparameters(); |
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287 g_data[int('n')] = 0; |
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288 g_bsourcex = boldsourcex; |
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289 g_bsourcey = boldsourcey; |
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290 g_bsourcex2 = boldsourcex2; |
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291 g_bsourcey2 = boldsourcey2; |
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292 return; |
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293 } |
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294 message("Play Brush|" + g_animx + " x " + g_animy + "|" + g_animframes + " frames"); |
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295 } |
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296 |
139 | 297 |
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298 void animbrush_do() { |
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299 int bx, by; |
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300 int horisize; |
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301 horisize = int(X / g_animx); |
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302 g_animno = g_animno + 1; |
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303 if (g_animno > g_animframes) g_animno = 1; |
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304 by = int(g_animno / horisize); |
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305 bx = g_animno - (by * horisize); |
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306 g_bsourcex = bx * g_animx; |
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307 g_bsourcey = by * g_animy; |
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308 g_bsourcex2 = g_bsourcex + g_animx - g_pixelw; |
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309 g_bsourcey2 = g_bsourcey + g_animy - 1; |
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310 } |
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311 |
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312 void set_fixed_raster(int set) { |
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313 for (int i = 0; i < 64; i++) { |
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314 g_fixedraster[i] = g_rasterpatterns[set * 64 + i]; |
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315 } |
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316 } |
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317 |
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318 int get_raster(int xx, int yy) { |
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319 xx = xx + g_raster_offset_x * g_pixelw; |
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320 yy = yy + g_raster_offset_y; |
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321 if (g_pixelw == 2) { |
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322 xx = int(xx / 2); |
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323 } |
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324 int mx = chop8(xx); |
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325 int my = chop8(yy); |
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326 xx = xx - mx; |
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327 yy = yy - my; |
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328 return g_fixedraster[xx + yy * 8]; |
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329 } |
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330 |
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331 void refreshpalette() { |
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332 //relevant for alterable palettes, such as amiga or cpc |
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333 if (g_palsteps == 0) return; |
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334 for (int i = 0; i < g_maxcolors; i++) { |
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335 makecolor(i, int(g_map[256 + i * 3]), int(g_map[256 + i * 3 + 1]), int(g_map[256 + i * 3 + 2])); |
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336 } |
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337 } |