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We now have a full map that's basically the same mapping system from Roguish. There's a bug right now where it needs you to move once to calc the light and it's not being centered, but it does work.

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Zed A. Shaw 2025-02-07 19:32:00 -05:00
parent 55b67dcf5d
commit d798d154ae
22 changed files with 1270 additions and 47 deletions
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25
systems.cpp
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@ -12,6 +12,7 @@ using std::string;
using namespace fmt;
using namespace components;
using lighting::LightSource;
using ftxui::Color;
void System::lighting(GameLevel &level) {
auto &light = *level.lights;
@ -221,3 +222,27 @@ void System::plan_motion(DinkyECS::World& world, Point move_to) {
motion.dx = move_to.x - player_position.location.x;
motion.dy = move_to.y - player_position.location.y;
}
/*
* This one is called inside the MapViewUI very often so
* just avoide GameMap unlike the others.
*/
void System::draw_entities(DinkyECS::World &world, Map &map, const Matrix &lights, ftxui::Canvas &canvas, const Point &cam_orig, size_t view_x, size_t view_y) {
auto &tiles = map.tiles();
world.query<Position, Tile>([&](auto &ent[[maybe_unused]], auto &pos, auto &tile) {
if(pos.location.x >= cam_orig.x && pos.location.x <= cam_orig.x + view_x
&& pos.location.y >= cam_orig.y && pos.location.y <= cam_orig.y + view_y) {
Point loc = map.map_to_camera(pos.location, cam_orig);
float light_value = lights[pos.location.y][pos.location.x] * PERCENT;
const TileCell& cell = tiles.at(pos.location.x, pos.location.y);
// the 2 and 4 are from ftxui::Canvas since it does a kind of "subpixel" drawing
canvas.DrawText(loc.x*2, loc.y*4, tile.chr, [tile, light_value, cell](auto &pixel) {
pixel.foreground_color = Color::HSV(tile.fg_h, tile.fg_s, tile.fg_v * light_value);
pixel.background_color = Color::HSV(cell.bg_h, cell.bg_s, cell.bg_v * light_value);
});
}
});
}