mirror of https://github.com/OpenRCT2/OpenRCT2.git
Decompiled sub_69A997
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@ -7133,17 +7133,96 @@ uint8 sub_69A60A(rct_peep* peep){
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*
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* rct2: 0x0069A997
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*/
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static int sub_69A997(sint16 x, sint16 y, uint8 z, int test_edge) {
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int eax = x, ebx, ecx = y, edx = z, esi, edi = 0xFFFF, ebp = test_edge;
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RCT2_CALLFUNC_X(0x0069A997, &eax, &ebx, &ecx, &edx, &esi, &edi, &ebp);
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return edi;
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static int sub_69A997(sint16 x, sint16 y, uint8 z, uint8 counter, uint16 score, int test_edge) {
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x += TileDirectionDelta[test_edge].x;
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y += TileDirectionDelta[test_edge].y;
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if (--RCT2_GLOBAL(0x00F1AED4, sint32) < 0) return score;
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if (++counter > 200) return score;
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uint16 x_delta = abs(RCT2_GLOBAL(RCT2_ADDRESS_PEEP_PATHFINDING_GOAL_X, sint16) - x);
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uint16 y_delta = abs(RCT2_GLOBAL(RCT2_ADDRESS_PEEP_PATHFINDING_GOAL_Y, sint16) - y);
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if (x_delta < y_delta) x_delta >>= 4;
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else y_delta >>= 4;
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uint16 new_score = x_delta + y_delta;
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uint16 z_delta = abs(RCT2_GLOBAL(RCT2_ADDRESS_PEEP_PATHFINDING_GOAL_Z, uint8) - z);
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z_delta <<= 1;
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new_score += z_delta;
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if (new_score < score || (new_score == score && counter < RCT2_GLOBAL(0x00F1AED3, uint8))) {
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score = new_score;
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RCT2_GLOBAL(0x00F1AED3, uint8) = counter;
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if (score == 0) return score;
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}
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bool found = false;
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rct_map_element *path = map_get_first_element_at(x / 32, y / 32);
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do {
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if (map_element_get_type(path) != MAP_ELEMENT_TYPE_PATH) continue;
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uint8 slope_dir;
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if (footpath_element_is_sloped(path) &&
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(slope_dir = footpath_element_get_slope_direction(path)) != test_edge) {
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slope_dir ^= 2;
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if (slope_dir != test_edge) continue;
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if (path->base_height + 2 != z) continue;
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} else {
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if (z != path->base_height) continue;
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if (footpath_element_is_wide(path)) continue;
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}
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if ((!footpath_element_is_queue(path) ||
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RCT2_GLOBAL(0x00F1AEE1, uint8) != path->properties.path.ride_index) &&
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(path->type & RCT2_GLOBAL(0x00F1AEE0, uint8))) continue;
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found = true;
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break;
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} while (map_element_is_last_for_tile(path++));
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if (!found) return score;
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uint8 edges = path_get_permitted_edges(path);
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z = path->base_height;
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edges &= ~(1 << (test_edge ^ 2));
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test_edge = bitscanforward(edges);
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if (test_edge == -1) return score;
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edges &= ~(1 << test_edge);
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if (edges == 0) {
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if (footpath_element_is_sloped(path) &&
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footpath_element_get_slope_direction(path) == test_edge) {
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z += 2;
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}
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++RCT2_GLOBAL(0x00F1AEDE, sint16);
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return sub_69A997(x, y, z, counter, score, test_edge);
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}
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if (RCT2_GLOBAL(0x00F1AEDE, sint16) != 0) {
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--RCT2_GLOBAL(0x00F1AEDC, sint8);
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}
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--RCT2_GLOBAL(0x00F1AEDC, sint8);
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if (RCT2_GLOBAL(0x00F1AEDC, sint8) < 0) return score;
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do {
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edges &= ~(1 << test_edge);
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int saved_f1aedc = RCT2_GLOBAL(0x00F1AEDC, int);
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uint8 height = z;
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RCT2_GLOBAL(0x00F1AEDE, sint16) = 0;
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if (footpath_element_is_sloped(path) &&
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footpath_element_get_slope_direction(path) == test_edge) {
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height += 2;
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}
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sub_69A997(x, y, height, counter, score, test_edge);
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RCT2_GLOBAL(0x00F1AEDC, int) = saved_f1aedc;
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} while ((test_edge = bitscanforward(edges)) != -1);
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return score;
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}
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/**
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*
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* rct2: 0x0069A5F0
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*/
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static int guest_pathfind_choose_direction(sint16 x, sint16 y, sint16 z, rct_peep *peep, rct_map_element *map_element) {
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static int guest_pathfind_choose_direction(sint16 x, sint16 y, uint8 z, rct_peep *peep, rct_map_element *map_element) {
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RCT2_GLOBAL(0x00F1AEDC, uint8) = sub_69A60A(peep);
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uint8 x_goal = RCT2_GLOBAL(RCT2_ADDRESS_PEEP_PATHFINDING_GOAL_X, sint16) / 32;
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uint8 y_goal = RCT2_GLOBAL(RCT2_ADDRESS_PEEP_PATHFINDING_GOAL_Y, sint16) / 32;
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@ -7183,8 +7262,8 @@ static int guest_pathfind_choose_direction(sint16 x, sint16 y, sint16 z, rct_pee
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for (int test_edge = chosen_edge; test_edge != -1; test_edge = bitscanforward(edges)) {
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edges &= ~(1 << test_edge);
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uint8 height = (uint8)z;
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int k = RCT2_GLOBAL(0x00F1AEDC, int);
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uint8 height = z;
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int saved_f1aedc = RCT2_GLOBAL(0x00F1AEDC, int);
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if (footpath_element_is_sloped(dest_map_element) &&
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footpath_element_get_slope_direction(dest_map_element) == test_edge)
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height += 0x2;
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@ -7192,8 +7271,8 @@ static int guest_pathfind_choose_direction(sint16 x, sint16 y, sint16 z, rct_pee
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RCT2_GLOBAL(0x00F1AED3, uint8) = 0xFF;
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RCT2_GLOBAL(0x00F1AED4, int) = RCT2_GLOBAL(0x00F1AED8, int);
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RCT2_GLOBAL(0x00F1AEDE, uint16) = 0;
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uint16 score = sub_69A997(x, y, height, test_edge);
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RCT2_GLOBAL(0x00F1AEDC, int) = k;
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uint16 score = sub_69A997(x, y, height, 0, 0xFFFF, test_edge);
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RCT2_GLOBAL(0x00F1AEDC, int) = saved_f1aedc;
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if (score < best_score || (score == best_score && RCT2_GLOBAL(0x00F1AED3, uint8) < best_sub)) {
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chosen_edge = test_edge;
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