1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
|
/* 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/>.
*
*/
/*
* This code is based on the CRAB engine
*
* Copyright (c) Arvind Raja Yadav
*
* Licensed under MIT
*
*/
#include "graphics/screen.h"
#include "crab/crab.h"
#include "crab/GameParam.h"
#include "crab/Rectangle.h"
namespace Crab {
bool Rect::load(rapidxml::xml_node<char> *node, const bool &echo, const Common::String &x_name, const Common::String &y_name,
const Common::String &w_name, const Common::String &h_name) {
return loadNum(x, x_name, node, echo) && loadNum(y, y_name, node, echo) && loadNum(w, w_name, node, echo) && loadNum(h, h_name, node, echo);
}
bool Rect::collide(Rect box) const {
if (box.x + box.w < x)
return false; // just checking if their
if (box.x > x + w)
return false; // bounding boxes even touch
if (box.y + box.h < y)
return false;
if (box.y > y + h)
return false;
return true; // bounding boxes intersect
}
void Rect::extend(Rect box) {
int left1 = x;
int right1 = x + w;
int top1 = y;
int bottom1 = y + h;
const int left2 = box.x;
const int right2 = box.x + box.w;
const int top2 = box.y;
const int bottom2 = box.y + box.h;
left1 = MIN(left1, left2);
right1 = MAX(right1, right2);
top1 = MIN(top1, top2);
bottom1 = MAX(bottom1, bottom2);
x = left1;
y = top1;
w = right1 - left1;
h = bottom1 - top1;
}
Direction Rect::resolveX(Rect collider) {
// Check left edge of collider
if (x < collider.x && collider.x < x + w)
return DIRECTION_RIGHT;
// Check right edge of collider
if (x < collider.x + collider.w && collider.x + collider.w < x + w)
return DIRECTION_LEFT;
return DIRECTION_NONE;
}
Direction Rect::resolveY(Rect collider) {
// Check top edge of collider
if (y < collider.y && collider.y < y + h)
return DIRECTION_DOWN;
// Check bottom edge of collider
if (y < collider.y + collider.h && collider.y + collider.h < y + h)
return DIRECTION_UP;
return DIRECTION_NONE;
}
void Rect::flip(const TextureFlipType &flip, const Vector2i &axis) {
if (flip == FLIP_NONE)
return;
if (flip == FLIP_X || flip == FLIP_XY)
x = 2 * axis.x - x - w;
if (flip == FLIP_Y || flip == FLIP_XY)
y = 2 * axis.y - y - h;
}
void Rect::draw(const int &xOffset, const int &yOffset, const uint8 &r, const uint8 &g, const uint8 &b, const uint8 &a) {
int X = x + xOffset, Y = y + yOffset;
g_engine->_screen->drawLine(X, Y, X + w, Y, g_engine->_format->ARGBToColor(a, r, g, b));
g_engine->_screen->drawLine(X, Y, X, Y + h, g_engine->_format->ARGBToColor(a, r, g, b));
g_engine->_screen->drawLine(X + w, Y, X + w, Y + h, g_engine->_format->ARGBToColor(a, r, g, b));
g_engine->_screen->drawLine(X, Y + h, X + w, Y + h, g_engine->_format->ARGBToColor(a, r, g, b));
}
void Rect::saveState(rapidxml::xml_document<> &doc, rapidxml::xml_node<char> *root, const char *name) {
rapidxml::xml_node<char> *child = doc.allocate_node(rapidxml::node_element, name);
child->append_attribute(doc.allocate_attribute("x", g_engine->_stringPool->get(x)));
child->append_attribute(doc.allocate_attribute("y", g_engine->_stringPool->get(y)));
child->append_attribute(doc.allocate_attribute("w", g_engine->_stringPool->get(w)));
child->append_attribute(doc.allocate_attribute("h", g_engine->_stringPool->get(h)));
root->append_node(child);
}
} // End of namespace Crab
|
