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better way of only showing known extent of area rectangle

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This commit is contained in:
Nat Quayle Nelson
2025-08-07 09:17:23 -05:00
parent ba8b893c20
commit 8341bd46f9
1 changed files with 25 additions and 39 deletions
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64
src/game/boe.town.cpp
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@@ -2,6 +2,7 @@
#include <cstdio> #include <cstdio>
#include <queue> #include <queue>
#include <limits>
#include "boe.global.hpp" #include "boe.global.hpp"
@@ -1371,6 +1372,10 @@ void draw_map(bool need_refresh, std::string tooltip_text) {
out_mode = true; out_mode = true;
else out_mode = false; else out_mode = false;
// While iterating the map, calculate the discovered extent of rooms/areas
const std::vector<info_rect_t>& area_desc = is_out() ? univ.out->area_desc : univ.town->area_desc;
std::vector<rectangle> known_area_rects(area_desc.size(), {std::numeric_limits<int>::max(),std::numeric_limits<int>::max(),std::numeric_limits<int>::min(),std::numeric_limits<int>::min()});
sf::Texture& small_ter_gworld = *ResMgr::graphics.get("termap"); sf::Texture& small_ter_gworld = *ResMgr::graphics.get("termap");
for(where.x = view_rect.left; where.x < view_rect.right; where.x++) for(where.x = view_rect.left; where.x < view_rect.right; where.x++)
for(where.y = view_rect.top; where.y < view_rect.bottom; where.y++) { for(where.y = view_rect.top; where.y < view_rect.bottom; where.y++) {
@@ -1437,50 +1442,31 @@ void draw_map(bool need_refresh, std::string tooltip_text) {
rect_draw_some_item(*ResMgr::graphics.get("trim"),{8,112,12,116},map_gworld(),draw_rect); rect_draw_some_item(*ResMgr::graphics.get("trim"),{8,112,12,116},map_gworld(),draw_rect);
} }
// Draw discovered edges of rooms/areas for(int i = 0; i < area_desc.size(); ++i){
const std::vector<info_rect_t>& area_desc = is_out() ? univ.out->area_desc : univ.town->area_desc; info_rect_t area = area_desc[i];
location a; rectangle& known_bounds = known_area_rects[i];
location b; // tile is in an area rectangle. see if it extends the party's known bounds of the area
for(info_rect_t area : area_desc){ if(area.contains(where)){
location adjusted_where = where; if(where.x < known_bounds.left) known_bounds.left = where.x;
adjusted_where.x -= view_rect.left; if(where.y < known_bounds.top) known_bounds.top = where.y;
adjusted_where.y -= view_rect.top; if(where.x + 1 > known_bounds.right) known_bounds.right = where.x + 1;
if(where.y == area.top && where.x >= area.left && where.x <= area.right){ if(where.y + 1 > known_bounds.bottom) known_bounds.bottom = where.y + 1;
a = orig_draw_rect.topLeft();
a.x += 6 * adjusted_where.x;
a.y += 6 * adjusted_where.y;
b = a;
b.x += 6;
draw_line(map_gworld(), a, b, 1, Colours::RED);
}
if(where.x == area.left && where.y >= area.top && where.y <= area.bottom){
a = orig_draw_rect.topLeft();
a.x += 6 * adjusted_where.x;
a.y += 6 * adjusted_where.y;
b = a;
b.y += 6;
draw_line(map_gworld(), a, b, 1, Colours::RED);
}
if(where.y == area.bottom && where.x >= area.left && where.x <= area.right){
a = orig_draw_rect.topLeft();
a.x += 6 * adjusted_where.x;
a.y += 6 * (adjusted_where.y + 1) - 1;
b = a;
b.x += 6;
draw_line(map_gworld(), a, b, 1, Colours::RED);
}
if(where.x == area.right && where.y >= area.top && where.y <= area.bottom){
a = orig_draw_rect.topLeft();
a.x += 6 * (adjusted_where.x + 1) - 1;
a.y += 6 * adjusted_where.y;
b = a;
b.y += 6;
draw_line(map_gworld(), a, b, 1, Colours::RED);
} }
} }
} }
} }
// Draw known extent of area rectangles
for(const rectangle& known_bounds : known_area_rects){
if(!known_bounds.empty()){
draw_rect.top = 6 * (known_bounds.top - view_rect.top);
draw_rect.left = 6 * (known_bounds.left - view_rect.left);
draw_rect.bottom = 6 * (known_bounds.bottom - view_rect.top);
draw_rect.right = 6 * (known_bounds.right - view_rect.left);
frame_rect(map_gworld(), draw_rect, Colours::RED);
}
}
map_gworld().display(); map_gworld().display();
// this stops flickering if the display time is too long // this stops flickering if the display time is too long
glFlush(); glFlush();