Files
scummvm-cursorfix/engines/ultima/ultima0/gfx/map.cpp
2026-02-02 04:50:13 +01:00

143 lines
3.7 KiB
C++

/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#include "ultima/ultima0/gfx/map.h"
#include "ultima/ultima0/ultima0.h"
namespace Ultima {
namespace Ultima0 {
namespace Gfx {
void Map::draw(Graphics::ManagedSurface *s, bool showAsMap) {
const auto &player = g_engine->_player;
const auto &map = g_engine->_worldMap;
s->clear();
int x, y, x1, y1, w, h, grid;
Common::Rect r;
grid = showAsMap ? WORLD_MAP_SIZE : (g_engine->isEnhanced() ? 7 : 3);
w = s->w / grid; h = s->h / grid; // Get grid sizes
for (x = 0; x < grid; x++) {
for (y = 0; y < grid; y++) {
r = Common::Rect(x * w, y * h, x * w + w - 1, y * h + h - 1);
if (showAsMap) {
// If map, not centered around us
x1 = x, y1 = y;
} else {
// Which cell?
x1 = player._worldPos.x - grid / 2 + x;
y1 = player._worldPos.y - grid / 2 + y;
}
drawTile(s, r, map.read(x1, y1));
// Draw us if we're there
if (x1 == player._worldPos.x && y1 == player._worldPos.y)
drawTile(s, r, WT_PLAYER);
}
}
}
#define HWColour(IDX) color = IDX
#define X(n) (x1 + w * (n)/10)
#define Y(n) (y1 + h * (n)/10)
#define HWLine(X1, Y1, X2, Y2) s->drawLine(X1, Y1, X2, Y2, color)
#define BOX(x1,y1,x2,y2) { HWLine(X(x1),Y(y1),X(x2),Y(y1));HWLine(X(x1),Y(y1),X(x1),Y(y2));HWLine(X(x2),Y(y2),X(x2),Y(y1));HWLine(X(x2),Y(y2),X(x1),Y(y2)); }
void Map::drawTile(Graphics::ManagedSurface *s, const Common::Rect &r, int obj) {
int x1 = r.left;
int y1 = r.top;
int w = r.width();
int h = r.height();
byte color = 0;
// Decide on the object
switch (obj) {
case WT_SPACE:
// Space does nothing at all
break;
case WT_MOUNTAIN:
// Mountain the cracked effect
HWColour(COL_MOUNTAIN);
HWLine(X(2), Y(6), X(2), Y(10));
HWLine(X(0), Y(8), X(2), Y(8));
HWLine(X(2), Y(6), X(4), Y(6));
HWLine(X(4), Y(6), X(4), Y(4));
HWLine(X(2), Y(2), X(4), Y(4));
HWLine(X(2), Y(2), X(2), Y(0));
HWLine(X(2), Y(2), X(0), Y(2));
HWLine(X(8), Y(4), X(4), Y(4));
HWLine(X(8), Y(4), X(8), Y(0));
HWLine(X(8), Y(2), X(10), Y(2));
HWLine(X(6), Y(4), X(6), Y(8));
HWLine(X(10), Y(8), X(6), Y(8));
HWLine(X(8), Y(8), X(8), Y(10));
break;
case WT_TREE:
// Tree is just a box
HWColour(COL_TREE);
BOX(3, 3, 7, 7);
break;
case WT_TOWN:
// Town is 5 boxes
HWColour(COL_TOWN);
BOX(2, 2, 4, 4); BOX(4, 4, 6, 6); BOX(6, 6, 8, 8);
BOX(6, 2, 8, 4); BOX(2, 6, 4, 8);
break;
case WT_DUNGEON:
// Dungeon is a cross
HWColour(COL_DUNGEON);
HWLine(X(3), Y(3), X(7), Y(7));
HWLine(X(7), Y(3), X(3), Y(7));
break;
case WT_BRITISH:
// British castle
HWColour(COL_BRITISH);
HWLine(X(2), Y(2), X(8), Y(8));
HWLine(X(8), Y(2), X(2), Y(8));
BOX(0, 0, 10, 10);
BOX(2, 2, 8, 8);
break;
case WT_PLAYER:
// Player
HWColour(COL_PLAYER);
HWLine(X(4), Y(5), X(6), Y(5));
HWLine(X(5), Y(4), X(5), Y(6));
break;
default:
break;
}
}
} // namespace Views
} // namespace Ultima0
} // namespace Ultima