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Rev | Author | Line No. | Line |
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5229 | raandoom | 1 | #include "board.h" |
5232 | raandoom | 2 | #include "config.h" |
5229 | raandoom | 3 | |
4 | rect base_cell = {0}; |
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5 | tile null_tile = {0}; |
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6 | |||
7 | struct { |
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8 | rect draw; // background rect |
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9 | rect cell_map[BOARD_MAP_SIZE]; // background cells array |
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10 | tile tile_map[BOARD_MAP_SIZE]; // tiles array |
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11 | __u16 empty_index[BOARD_MAP_SIZE];// empty cells indexes |
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12 | __u16 empty_count; // empty cells count |
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13 | __u32 score; |
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5232 | raandoom | 14 | __u32 highscore; |
5229 | raandoom | 15 | } board = {0}; |
16 | |||
17 | // Get tile index for row and column |
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18 | __u16 board_index(__u16 row, __u16 column) { |
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19 | return column + row * BOARD_COUNT; |
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20 | } |
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21 | |||
22 | // Get tile position (as point with eow and column) for index |
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23 | point board_position(__u16 index) { |
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24 | point p = { |
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25 | .x = index % BOARD_COUNT, |
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26 | .y = index / BOARD_COUNT |
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27 | }; |
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28 | return p; |
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29 | } |
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30 | |||
31 | // Calculate cell rect for row and column |
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32 | rect position2cell(point p) { |
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33 | rect c = {0}; |
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34 | c.width = base_cell.width; |
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35 | c.height = base_cell.height; |
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36 | c.x = board.draw.x + BOARD_SPACING + p.x * (c.width + BOARD_SPACING); |
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37 | c.y = board.draw.y + BOARD_SPACING + p.y * (c.height + BOARD_SPACING); |
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38 | return c; |
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39 | } |
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40 | |||
41 | // Update information about empty cells |
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42 | void board_update_empty_info(); |
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43 | |||
44 | // Represent tile array as pointers array |
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45 | void board_to_tempboard(tile* temp[]); |
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46 | |||
47 | // Fill tile array with tiles from pointers array |
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48 | void board_from_tempboard(tile* temp[], __u8 forward); |
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49 | |||
50 | // Move tile inside a pointer array |
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51 | void tempboard_move_tile(tile* temp[], __u16 from, __u16 to); |
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52 | |||
53 | // Merge tiles inside a pointer array |
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54 | void tempboard_merge_tile(tile* temp[], __u16 from, __u16 to); |
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55 | |||
56 | // Random number generator |
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57 | __u32 random_u32(__u32 max); |
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58 | |||
59 | void board_init(rect* r) |
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60 | { |
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5232 | raandoom | 61 | __u32 high = config_load_highscore(); |
62 | if (high > board.highscore) |
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63 | board.highscore = high; |
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64 | |||
5229 | raandoom | 65 | // seed for random number generator |
66 | srand(__menuet__getsystemclock()); |
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67 | |||
68 | __u16 cell_size = (r->width - BOARD_SPACING * (BOARD_COUNT + 1)) / BOARD_COUNT; |
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69 | base_cell.width = cell_size; |
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70 | base_cell.height = cell_size; |
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71 | |||
72 | null_tile.value = 0; |
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73 | null_tile.animate = false; |
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5231 | raandoom | 74 | null_tile.ani_step = ANI_APPEAR_STEP; |
5229 | raandoom | 75 | null_tile.merged = false; |
76 | |||
5231 | raandoom | 77 | board.score = 0; |
78 | board.draw = *r; |
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79 | |||
80 | canvas_init(r); |
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81 | canvas_fill(BOARD_BG_COLOR); |
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82 | |||
5229 | raandoom | 83 | __u16 i = 0; |
84 | for (i = 0; i < BOARD_MAP_SIZE; i++) |
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85 | { |
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86 | board.cell_map[i] = position2cell(board_position(i)); |
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87 | board.tile_map[i] = null_tile; |
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88 | } |
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89 | |||
90 | i = 0; |
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91 | for (i = 0; i < START_COUNT; i++) |
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92 | { |
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93 | board_add_random_tile(); |
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94 | } |
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95 | |||
96 | board_redraw(); |
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97 | } |
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98 | |||
5231 | raandoom | 99 | void board_delete() |
100 | { |
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5232 | raandoom | 101 | config_save_highscore(board.highscore); |
5231 | raandoom | 102 | canvas_delete(); |
103 | } |
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104 | |||
5229 | raandoom | 105 | void board_redraw() |
106 | { |
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107 | __u16 i = 0; |
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108 | __u8 animate = false; |
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109 | __u8 last_animate = false; |
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110 | do |
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111 | { |
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5231 | raandoom | 112 | canvas_fill(BOARD_BG_COLOR); |
5229 | raandoom | 113 | |
114 | for (i = 0; i < BOARD_MAP_SIZE; i++) |
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115 | { |
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5231 | raandoom | 116 | canvas_draw_rect(&board.cell_map[i],CELL_COLOR); |
5229 | raandoom | 117 | } |
118 | |||
119 | animate = false; |
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120 | last_animate = false; |
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121 | for (i = 0; i < BOARD_MAP_SIZE; i++) |
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122 | { |
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123 | tile* t = &board.tile_map[i]; |
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124 | last_animate = tile_draw(t); |
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125 | if (last_animate) |
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126 | { |
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127 | animate = last_animate; |
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128 | } |
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129 | } |
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130 | |||
5231 | raandoom | 131 | canvas_paint(); |
132 | |||
5229 | raandoom | 133 | if (animate) |
134 | { |
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5231 | raandoom | 135 | __menuet__delay100(ANI_DELAY); |
5229 | raandoom | 136 | } |
137 | } |
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138 | while (animate); |
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139 | } |
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140 | |||
141 | __u8 board_up() |
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142 | { |
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143 | __u8 moved = false; |
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144 | |||
145 | __u16 row = 0; |
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146 | __u16 column = 0; |
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147 | __u16 ind = 0; |
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148 | __u16 preind = 0; |
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149 | tile* indtile = 0; |
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150 | tile* pretile = 0; |
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151 | |||
152 | tile* temp_board[BOARD_MAP_SIZE] = {0}; |
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153 | board_to_tempboard(temp_board); |
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154 | |||
155 | for (column = 0; column < BOARD_COUNT; column++) |
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156 | { |
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157 | for (row = 0; row < BOARD_COUNT; row++) |
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158 | { |
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159 | if (row > 0) |
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160 | { |
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161 | ind = board_index(row,column); |
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162 | indtile = temp_board[ind]; |
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163 | if (indtile) |
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164 | { |
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165 | preind = board_index(row - 1,column); |
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166 | pretile = temp_board[preind]; |
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167 | if (!pretile) |
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168 | { |
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169 | moved = true; |
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170 | tempboard_move_tile(temp_board,ind,preind); |
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171 | row = 0; |
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172 | } |
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173 | else if (tile_mergeable(indtile,pretile)) |
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174 | { |
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175 | moved = true; |
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176 | board.score += indtile->value * 2; |
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5232 | raandoom | 177 | if (board.score > board.highscore) |
178 | board.highscore = board.score; |
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5229 | raandoom | 179 | tempboard_merge_tile(temp_board,ind,preind); |
180 | row = 0; |
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181 | } |
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182 | } |
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183 | } |
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184 | } |
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185 | } |
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186 | |||
187 | board_from_tempboard(temp_board,true); |
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188 | |||
189 | return moved; |
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190 | } |
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191 | |||
192 | __u8 board_down() |
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193 | { |
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194 | __u8 moved = false; |
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195 | |||
196 | __u16 row = 0; |
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197 | __u16 column = 0; |
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198 | __u16 ind = 0; |
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199 | __u16 preind = 0; |
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200 | tile* indtile = 0; |
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201 | tile* pretile = 0; |
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202 | |||
203 | tile* temp_board[BOARD_MAP_SIZE] = {0}; |
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204 | board_to_tempboard(temp_board); |
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205 | |||
206 | for (column = 0; column < BOARD_COUNT; column++) |
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207 | { |
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208 | row = BOARD_COUNT; |
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209 | while (row--) |
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210 | { |
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211 | if ((BOARD_COUNT - row) > 1) |
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212 | { |
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213 | ind = board_index(row,column); |
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214 | indtile = temp_board[ind]; |
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215 | if (indtile) |
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216 | { |
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217 | preind = board_index(row + 1,column); |
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218 | pretile = temp_board[preind]; |
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219 | if (!pretile) |
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220 | { |
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221 | moved = true; |
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222 | tempboard_move_tile(temp_board,ind,preind); |
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223 | row = BOARD_COUNT; |
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224 | } |
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225 | else if (tile_mergeable(indtile,pretile)) |
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226 | { |
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227 | moved = true; |
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228 | board.score += indtile->value * 2; |
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5232 | raandoom | 229 | if (board.score > board.highscore) |
230 | board.highscore = board.score; |
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5229 | raandoom | 231 | tempboard_merge_tile(temp_board,ind,preind); |
232 | row = BOARD_COUNT; |
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233 | } |
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234 | } |
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235 | } |
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236 | } |
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237 | } |
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238 | |||
239 | board_from_tempboard(temp_board,false); |
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240 | |||
241 | return moved; |
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242 | } |
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243 | |||
244 | __u8 board_left() |
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245 | { |
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246 | __u8 moved = false; |
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247 | |||
248 | __u16 row = 0; |
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249 | __u16 column = 0; |
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250 | __u16 ind = 0; |
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251 | __u16 preind = 0; |
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252 | tile* indtile = 0; |
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253 | tile* pretile = 0; |
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254 | |||
255 | tile* temp_board[BOARD_MAP_SIZE] = {0}; |
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256 | board_to_tempboard(temp_board); |
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257 | |||
258 | for (row = 0; row < BOARD_COUNT; row++) |
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259 | { |
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260 | for (column = 0; column < BOARD_COUNT; column++) |
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261 | { |
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262 | if (column > 0) |
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263 | { |
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264 | ind = board_index(row,column); |
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265 | indtile = temp_board[ind]; |
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266 | if (indtile) |
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267 | { |
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268 | preind = board_index(row,column - 1); |
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269 | pretile = temp_board[preind]; |
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270 | if (!pretile) |
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271 | { |
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272 | moved = true; |
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273 | tempboard_move_tile(temp_board,ind,preind); |
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274 | column = 0; |
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275 | } |
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276 | else if (tile_mergeable(indtile,pretile)) |
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277 | { |
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278 | moved = true; |
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279 | board.score += indtile->value * 2; |
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5232 | raandoom | 280 | if (board.score > board.highscore) |
281 | board.highscore = board.score; |
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5229 | raandoom | 282 | tempboard_merge_tile(temp_board,ind,preind); |
283 | column = 0; |
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284 | } |
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285 | } |
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286 | } |
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287 | } |
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288 | } |
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289 | |||
290 | board_from_tempboard(temp_board,true); |
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291 | |||
292 | return moved; |
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293 | } |
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294 | |||
295 | __u8 board_right() |
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296 | { |
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297 | __u8 moved = false; |
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298 | |||
299 | __u16 row = 0; |
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300 | __u16 column = 0; |
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301 | __u16 ind = 0; |
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302 | __u16 preind = 0; |
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303 | tile* indtile = 0; |
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304 | tile* pretile = 0; |
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305 | |||
306 | tile* temp_board[BOARD_MAP_SIZE] = {0}; |
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307 | board_to_tempboard(temp_board); |
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308 | |||
309 | for (row = 0; row < BOARD_COUNT; row++) |
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310 | { |
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311 | column = BOARD_COUNT; |
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312 | while (column--) |
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313 | { |
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314 | if ((BOARD_COUNT - column) > 1) |
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315 | { |
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316 | ind = board_index(row,column); |
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317 | indtile = temp_board[ind]; |
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318 | if (indtile) |
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319 | { |
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320 | preind = board_index(row,column + 1); |
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321 | pretile = temp_board[preind]; |
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322 | if (!pretile) |
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323 | { |
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324 | moved = true; |
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325 | tempboard_move_tile(temp_board,ind,preind); |
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326 | column = BOARD_COUNT; |
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327 | } |
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328 | else if (tile_mergeable(indtile,pretile)) |
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329 | { |
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330 | moved = true; |
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331 | board.score += indtile->value * 2; |
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5232 | raandoom | 332 | if (board.score > board.highscore) |
333 | board.highscore = board.score; |
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5229 | raandoom | 334 | tempboard_merge_tile(temp_board,ind,preind); |
335 | column = BOARD_COUNT; |
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336 | } |
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337 | } |
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338 | } |
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339 | } |
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340 | } |
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341 | |||
342 | board_from_tempboard(temp_board,false); |
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343 | |||
344 | return moved; |
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345 | } |
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346 | |||
347 | __u8 board_add_random_tile() |
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348 | { |
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349 | board_update_empty_info(); |
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350 | if (board.empty_count) |
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351 | { |
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352 | __u16 rnd_av = random_u32(board.empty_count); |
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353 | rnd_av = board.empty_index[rnd_av]; |
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354 | |||
355 | tile* av_tile = &board.tile_map[rnd_av]; |
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356 | av_tile->value = (random_u32(10) < 9) ? 2 : 4; |
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357 | |||
358 | av_tile->animate = true; |
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5231 | raandoom | 359 | av_tile->ani_step = ANI_APPEAR_STEP; |
5229 | raandoom | 360 | av_tile->transition = position2cell(board_position(rnd_av)); |
361 | av_tile->cell.x = av_tile->transition.x + base_cell.width / 2; |
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362 | av_tile->cell.y = av_tile->transition.y + base_cell.height / 2; |
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363 | av_tile->cell.width = 0; |
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364 | av_tile->cell.height = 0; |
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365 | } |
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366 | return board.empty_count; |
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367 | } |
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368 | |||
369 | __u8 board_has_moves() |
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370 | { |
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371 | __u16 ind = 0; |
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372 | __u16 next = 0; |
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373 | __u16 step = 0; |
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374 | __u16 pos = 0; |
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375 | for (step = 0; step < BOARD_COUNT; step++) |
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376 | { |
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377 | for (pos = 0; pos < BOARD_COUNT; pos++) |
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378 | { |
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379 | // check horizontal |
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380 | ind = board_index(step,pos); |
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381 | next = board_index(step,pos + 1); |
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382 | |||
383 | if (!board.tile_map[ind].value || |
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384 | (((pos + 1) < BOARD_COUNT) && |
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385 | (!board.tile_map[next].value || |
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386 | (board.tile_map[ind].value == board.tile_map[next].value) |
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387 | ) |
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388 | ) |
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389 | ) |
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390 | return true; |
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391 | |||
392 | // check vertical |
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393 | ind = board_index(pos,step); |
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394 | next = board_index(pos + 1,step); |
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395 | |||
396 | if (!board.tile_map[ind].value || |
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397 | (((pos + 1) < BOARD_COUNT) && |
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398 | (!board.tile_map[next].value || |
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399 | (board.tile_map[ind].value == board.tile_map[next].value) |
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400 | ) |
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401 | ) |
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402 | ) |
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403 | return true; |
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404 | } |
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405 | } |
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406 | return false; |
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407 | } |
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408 | |||
409 | __u32 board_score() |
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410 | { |
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411 | return board.score; |
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412 | } |
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413 | |||
5232 | raandoom | 414 | __u32 board_highscore() |
415 | { |
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416 | return board.highscore; |
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417 | } |
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418 | |||
5229 | raandoom | 419 | void board_update_empty_info() |
420 | { |
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421 | board.empty_count = 0; |
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422 | |||
423 | __u16 i = 0; |
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424 | for (i = 0; i < BOARD_MAP_SIZE; i++) |
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425 | { |
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426 | if (!board.tile_map[i].value) |
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427 | { |
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428 | board.empty_index[board.empty_count] = i; |
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429 | board.empty_count++; |
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430 | } |
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431 | } |
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432 | } |
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433 | |||
434 | void board_to_tempboard(tile* temp[]) |
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435 | { |
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436 | __u16 ind = 0; |
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437 | for (ind = 0; ind < BOARD_MAP_SIZE; ind++) |
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438 | { |
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439 | tile* bt = &board.tile_map[ind]; |
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440 | if (bt->value) |
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441 | { |
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442 | temp[ind] = bt; |
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443 | } |
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444 | } |
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445 | } |
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446 | |||
447 | void board_from_tempboard(tile *temp[], __u8 forward) |
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448 | { |
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449 | __u16 ind = 0; |
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450 | if (forward) |
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451 | { |
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452 | for (ind = 0; ind < BOARD_MAP_SIZE; ind++) |
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453 | { |
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454 | tile* bt = &board.tile_map[ind]; |
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455 | tile* tt = temp[ind]; |
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456 | if (tt) |
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457 | { |
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458 | *bt = *tt; |
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459 | bt->transition = position2cell(board_position(ind)); |
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460 | } |
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461 | else |
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462 | { |
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463 | *bt = null_tile; |
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464 | } |
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465 | } |
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466 | } |
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467 | else |
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468 | { |
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469 | ind = BOARD_MAP_SIZE; |
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470 | while (ind--) |
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471 | { |
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472 | tile* bt = &board.tile_map[ind]; |
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473 | tile* tt = temp[ind]; |
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474 | if (tt) |
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475 | { |
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476 | *bt = *tt; |
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477 | bt->transition = position2cell(board_position(ind)); |
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478 | } |
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479 | else |
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480 | { |
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481 | *bt = null_tile; |
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482 | } |
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483 | } |
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484 | } |
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485 | } |
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486 | |||
487 | void tempboard_move_tile(tile* temp[], __u16 from, __u16 to) |
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488 | { |
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489 | temp[to] = temp[from]; |
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490 | temp[to]->animate = true; |
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5231 | raandoom | 491 | temp[to]->ani_step = ANI_MOVE_STEP; |
5229 | raandoom | 492 | temp[from] = 0; |
493 | } |
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494 | |||
495 | void tempboard_merge_tile(tile* temp[], __u16 from, __u16 to) |
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496 | { |
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497 | temp[from]->merged = true; |
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498 | temp[from]->merged_rect = temp[to]->cell; |
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499 | tempboard_move_tile(temp,from,to); |
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500 | } |
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501 | |||
502 | __u32 random_u32(__u32 max) |
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503 | { |
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504 | return ((rand() * 1.0) / RAND_MAX) * max; |
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505 | }>>>>>>>>>>>>>>>>>> |