mirror of
https://github.com/libretro/scummvm.git
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aed02365ec
svn-id: r47541
231 lines
5.6 KiB
C++
231 lines
5.6 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* $URL$
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* $Id$
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*/
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#ifndef TEENAGENT_OBJECTS_H
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#define TEENAGENT_OBJECTS_H
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#include "common/rect.h"
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#include "graphics/surface.h"
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namespace TeenAgent {
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enum {kActorUp = 1, kActorRight = 2, kActorDown = 3, kActorLeft = 4 };
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struct Rect {
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int16 left, top, right, bottom;
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inline Rect() : left(0), top(0), right(0), bottom(0), _base(NULL) {}
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inline Rect(const Common::Rect &r) : left(r.left), top(r.top), right(r.right), bottom(r.bottom), _base(NULL) {}
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inline Rect(uint16 l, uint16 t, uint16 r, uint16 b) : left(l), top(t), right(r), bottom(b), _base(NULL) {}
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inline bool in(const Common::Point &point) const {
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return point.x >= left && point.x <= right && point.y >= top && point.y <= bottom;
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}
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inline Common::Point center() const {
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return Common::Point((right + left) / 2, (bottom + top) / 2);
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}
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inline bool valid() const {
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return left >= 0 && left < 320 && right >= 0 && right < 320 && top >= 0 && top < 200 && bottom >= 0 && bottom < 200;
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}
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void render(Graphics::Surface *surface, uint8 color) const;
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void dump(int level = 0) const {
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debug(level, "rect[%u, %u, %u, %u]", left, top, right, bottom);
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}
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inline void clear() {
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left = top = right = bottom = 0;
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}
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void load(byte *src); //8 bytes
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void save() const;
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inline bool intersects_hline(int x1, int x2, int y) const {
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if (x1 > x2)
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SWAP(x1, x2);
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return y >= top && y <= bottom && x1 <= right && x2 >= left;
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}
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inline bool intersects_vline(int x, int y1, int y2) const {
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if (y1 > y2)
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SWAP(y1, y2);
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return x >= left && x <= right && y1 <= bottom && y2 >= top;
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}
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inline bool contains(const Rect & rect) const {
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return rect.left >= left && rect.right <= right && rect.top >= top && rect.bottom <= bottom;
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}
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static inline bool inside(int x, int a, int b) {
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if (a > b)
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SWAP(a, b);
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return x >= a && x <= b;
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}
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int intersects_line(const Common::Point &a, const Common::Point &b) const {
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int dy = b.y - a.y, dx = b.x - a.x;
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int mask = 0; //orientation bitmask: 1 - top, 2 - right, 3 - bottom, 4 - left
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if (dx != 0) {
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int yl = (left - a.x) * dy / dx + a.y;
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if (yl > top && yl < bottom && inside(yl, a.y, b.y) && inside(left, a.x, b.x)) {
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//c[idx++] = Common::Point(left, yl);
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mask |= 8;
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}
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int yr = (right - a.x) * dy / dx + a.y;
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if (yr > top && yr < bottom && inside(yr, a.y, b.y) && inside(right, a.x, b.x)) {
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//c[idx++] = Common::Point(right, yr);
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mask |= 2;
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}
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}
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if (dy != 0) {
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int xt = (top - a.y) * dx / dy + a.x;
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if (xt > left && xt < right && inside(xt, a.x, b.x) && inside(top, a.y, b.y)) {
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//assert(idx < 2);
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//c[idx++] = Common::Point(xt, top);
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mask |= 1;
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}
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int xb = (bottom - a.y) * dx / dy + a.x;
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if (xb > left && xb < right && inside(xb, a.x, b.x) && inside(bottom, a.y, b.y)) {
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//assert(idx < 2);
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//c[idx++] = Common::Point(xb, bottom);
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mask |= 4;
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}
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}
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return mask;
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}
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void side(Common::Point &p1, Common::Point &p2, int o, const Common::Point &nearest) const {
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switch(o) {
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case kActorLeft:
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p1 = Common::Point(left, top);
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p2 = Common::Point(left, bottom);
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break;
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case kActorRight:
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p1 = Common::Point(right, top);
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p2 = Common::Point(right, bottom);
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break;
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case kActorUp:
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p1 = Common::Point(left, top);
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p2 = Common::Point(right, top);
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break;
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case kActorDown:
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p1 = Common::Point(left, bottom);
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p2 = Common::Point(right, bottom);
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break;
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default:
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p1 = Common::Point();
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p2 = Common::Point();
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}
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if (p1.sqrDist(nearest) >= p2.sqrDist(nearest))
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SWAP(p1, p2);
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}
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protected:
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byte * _base;
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};
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struct Object {
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byte id; //0
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Rect rect; //1
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Rect actor_rect; //9
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byte actor_orientation; //17
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byte enabled; //18
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//19
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Common::String name, description;
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Object(): _base(NULL) {}
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void dump(int level = 0) const;
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void setName(const Common::String &name);
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void load(byte *addr);
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void save() const;
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static Common::String parse_description(const char *name);
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protected:
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byte * _base;
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};
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struct InventoryObject {
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byte id;
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byte animated;
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Common::String name, description;
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InventoryObject(): id(0), animated(0), _base(0) {}
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void load(byte *addr);
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protected:
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byte * _base;
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};
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struct UseHotspot {
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byte inventory_id;
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byte object_id;
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byte orientation;
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uint16 actor_x, actor_y;
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uint16 callback;
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void load(byte *src);
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void dump(int level = 0) const;
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};
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struct Walkbox {
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byte type;
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byte orientation;
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Rect rect;
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byte side_hint[4];
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Walkbox() : _base(NULL) {}
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void dump(int level = 0) const;
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void load(byte *src);
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void save() const;
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protected:
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byte * _base;
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};
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struct FadeType {
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Rect rect;
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byte value;
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void load(byte *src);
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};
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//\todo move it to util.h?
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template<typename T> inline T SIGN (T x) { return (x > 0)? 1: ((x < 0)? -1: 0); }
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} // End of namespace TeenAgent
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#endif
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