Head

GCC Code Coverage Report

Directory:	src/		Exec	Total	Coverage
File:	src/textmanager.cpp	Lines:	55	76	72.4 %
Date:	2018-12-09	Branches:	34	58	58.6 %


/*
 *  The ManaPlus Client
 *  Copyright (C) 2008  Douglas Boffey <[email protected]>
 *  Copyright (C) 2011-2018  The ManaPlus Developers
 *
 *  This file is part of The ManaPlus Client.
 *
 *  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 2 of the License, or
 *  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 "textmanager.h"

#include "text.h"

#include "utils/foreach.h"

#include <cstring>

#include "debug.h"

TextManager *textManager = nullptr;

TextManager::TextManager() :
    mTextList()
{
}

void TextManager::addText(Text *const text)
{
    if (text == nullptr)
        return;
    place(text, nullptr, text->mX, text->mY, text->mHeight);
    mTextList.push_back(text);
}

void TextManager::moveText(Text *const text,
                           const int x, const int y) const
{
    if (text == nullptr)
        return;
    text->mX = x;
    text->mY = y;
    place(text, text, text->mX, text->mY, text->mHeight);
}

void TextManager::removeText(const Text *const text)
{
    FOR_EACH (TextList::iterator, ptr, mTextList)
    {
        if (*ptr == text)
        {
            mTextList.erase(ptr);
            return;
        }
    }
}

TextManager::~TextManager()
{
}

void TextManager::draw(Graphics *const graphics,
                       const int xOff, const int yOff)
{
    BLOCK_START("TextManager::draw")
    FOR_EACH (TextList::const_iterator, bPtr, mTextList)
        (*bPtr)->draw(graphics, xOff, yOff);
    BLOCK_END("TextManager::draw")
}

void TextManager::place(const Text *const textObj,
                        const Text *const omit,
                        const int &x A_UNUSED,
                        int &y,
                        const int h) const
{
    if (textObj == nullptr)
        return;
    const int xLeft = textObj->mX;
    const int xRight1 = xLeft + textObj->mWidth;
    const int TEST = 50;  // Number of lines to test for text
    const int nBeings = 30;
    bool occupied[TEST];  // is some other text obscuring this line?
    std::memset(&occupied, 0, sizeof(occupied));  // set all to false
    const int wantedTop = (TEST - h) / 2;   // Entry in occupied at top of text
    const int occupiedTop = y - wantedTop;  // Line in map representing
                                            // to of occupied
    int cnt = 0;

    for (TextList::const_iterator ptr = mTextList.begin(),
         pfEnd = mTextList.end();
         ptr != pfEnd && cnt < nBeings;
         ++ptr, cnt ++)
    {
        const Text *const text = *ptr;

        if (text != omit && text->mX + 1 <= xRight1
            && text->mX + text->mWidth > xLeft)
        {
            int from = text->mY - occupiedTop;
            int to = from + text->mHeight - 1;
            if (to < 0 || from >= TEST)  // out of range considered
                continue;
            if (from < 0)
                from = 0;
            if (to >= TEST)
                to = TEST - 1;
            for (int i = from; i <= to; ++i)
                occupied[i] = true;
        }
    }
    bool ok = true;
    const int sz = wantedTop + h;
    for (int i = wantedTop; i < sz; i ++)
    {
        if (occupied[i])
        {
            ok = false;
            break;
        }
    }

    if (ok)
        return;

    // Have to move it up or down, so find nearest spaces either side
    int consec = 0;
    int upSlot = -1;  // means not found
    const int sz2 = wantedTop + h - 2;
    for (int seek = sz2; seek >= 0; --seek)
    {
        if (occupied[seek])
        {
            consec = 0;
        }
        else
        {
            if (++consec == h)
            {
                upSlot = seek;
                break;
            }
        }
    }
    int downSlot = -1;
    consec = 0;
    for (int seek = wantedTop + 1; seek < TEST; ++seek)
    {
        if (occupied[seek])
        {
            consec = 0;
        }
        else
        {
            if (++consec == h)
            {
                downSlot = seek - h + 1;
                break;
            }
        }
    }
    if (upSlot == -1 && downSlot == -1)  // no good solution, so leave as is
    {
        return;
    }
    if (upSlot == -1)  // must go down
    {
        y += downSlot - wantedTop;
        return;
    }
    if (downSlot == -1)  // must go up
    {
        y -= wantedTop - upSlot;
        return;
    }
    if (wantedTop - upSlot > downSlot - wantedTop)  // down is better
    {
        y += downSlot - wantedTop;
    }
    else
    {
        y -= wantedTop - upSlot;
    }
}


Generated by: GCOVR (Version 3.3)

Line	Branch	Exec	Source
1			/*
2			* The ManaPlus Client
3			* Copyright (C) 2008 Douglas Boffey <[email protected]>
4			* Copyright (C) 2011-2018 The ManaPlus Developers
5			*
6			* This file is part of The ManaPlus Client.
7			*
8			* This program is free software; you can redistribute it and/or modify
9			* it under the terms of the GNU General Public License as published by
10			* the Free Software Foundation; either version 2 of the License, or
11			* any later version.
12			*
13			* This program is distributed in the hope that it will be useful,
14			* but WITHOUT ANY WARRANTY; without even the implied warranty of
15			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16			* GNU General Public License for more details.
17			*
18			* You should have received a copy of the GNU General Public License
19			* along with this program. If not, see <http://www.gnu.org/licenses/>.
20			*/
21
22			#include "textmanager.h"
23
24			#include "text.h"
25
26			#include "utils/foreach.h"
27
28			#include <cstring>
29
30			#include "debug.h"
31
32			TextManager *textManager = nullptr;
33
34		6	TextManager::TextManager() :
35		12	mTextList()
36			{
37		6	}
38
39		9	void TextManager::addText(Text *const text)
40			{
41	✓✗	9	if (text == nullptr)
42			return;
43		9	place(text, nullptr, text->mX, text->mY, text->mHeight);
44		9	mTextList.push_back(text);
45			}
46
47			void TextManager::moveText(Text *const text,
48			const int x, const int y) const
49			{
50			if (text == nullptr)
51			return;
52			text->mX = x;
53			text->mY = y;
54			place(text, text, text->mX, text->mY, text->mHeight);
55			}
56
57		9	void TextManager::removeText(const Text *const text)
58			{
59	✓✗	27	FOR_EACH (TextList::iterator, ptr, mTextList)
60			{
61	✓✗	9	if (*ptr == text)
62			{
63		18	mTextList.erase(ptr);
64		9	return;
65			}
66			}
67			}
68
69		12	TextManager::~TextManager()
70			{
71		6	}
72
73			void TextManager::draw(Graphics *const graphics,
74			const int xOff, const int yOff)
75			{
76			BLOCK_START("TextManager::draw")
77			FOR_EACH (TextList::const_iterator, bPtr, mTextList)
78			(*bPtr)->draw(graphics, xOff, yOff);
79			BLOCK_END("TextManager::draw")
80			}
81
82		9	void TextManager::place(const Text *const textObj,
83			const Text *const omit,
84			const int &x A_UNUSED,
85			int &y,
86			const int h) const
87			{
88	✓✗	9	if (textObj == nullptr)
89		9	return;
90		9	const int xLeft = textObj->mX;
91		9	const int xRight1 = xLeft + textObj->mWidth;
92		9	const int TEST = 50; // Number of lines to test for text
93		9	const int nBeings = 30;
94			bool occupied[TEST]; // is some other text obscuring this line?
95		9	std::memset(&occupied, 0, sizeof(occupied)); // set all to false
96		9	const int wantedTop = (TEST - h) / 2; // Entry in occupied at top of text
97		9	const int occupiedTop = y - wantedTop; // Line in map representing
98			// to of occupied
99		9	int cnt = 0;
100
101	✓✓	35	for (TextList::const_iterator ptr = mTextList.begin(),
102		18	pfEnd = mTextList.end();
103	✓✓✗✓	13	ptr != pfEnd && cnt < nBeings;
104			++ptr, cnt ++)
105			{
106		4	const Text const text = ptr;
107
108	✓✗✓✗	4	if (text != omit && text->mX + 1 <= xRight1
109	✓✗	4	&& text->mX + text->mWidth > xLeft)
110			{
111		4	int from = text->mY - occupiedTop;
112		4	int to = from + text->mHeight - 1;
113	✓✗	4	if (to < 0 \|\| from >= TEST) // out of range considered
114			continue;
115	✗✓	4	if (from < 0)
116			from = 0;
117	✗✓	4	if (to >= TEST)
118			to = TEST - 1;
119	✓✓	80	for (int i = from; i <= to; ++i)
120		76	occupied[i] = true;
121			}
122			}
123		9	bool ok = true;
124		9	const int sz = wantedTop + h;
125	✓✓	123	for (int i = wantedTop; i < sz; i ++)
126			{
127	✓✓	117	if (occupied[i])
128			{
129			ok = false;
130			break;
131			}
132			}
133
134	✓✓	9	if (ok)
135			return;
136
137			// Have to move it up or down, so find nearest spaces either side
138		3	int consec = 0;
139		3	int upSlot = -1; // means not found
140		3	const int sz2 = wantedTop + h - 2;
141	✓✓	102	for (int seek = sz2; seek >= 0; --seek)
142			{
143	✓✓	99	if (occupied[seek])
144			{
145			consec = 0;
146			}
147			else
148			{
149	✓✗	45	if (++consec == h)
150			{
151			upSlot = seek;
152			break;
153			}
154			}
155			}
156		3	int downSlot = -1;
157		3	consec = 0;
158	✓✓	105	for (int seek = wantedTop + 1; seek < TEST; ++seek)
159			{
160	✓✓	102	if (occupied[seek])
161			{
162			consec = 0;
163			}
164			else
165			{
166	✗✓	48	if (++consec == h)
167			{
168			downSlot = seek - h + 1;
169			break;
170			}
171			}
172			}
173	✗✓	3	if (upSlot == -1 && downSlot == -1) // no good solution, so leave as is
174			{
175			return;
176			}
177			if (upSlot == -1) // must go down
178			{
179			y += downSlot - wantedTop;
180			return;
181			}
182			if (downSlot == -1) // must go up
183			{
184			y -= wantedTop - upSlot;
185			return;
186			}
187			if (wantedTop - upSlot > downSlot - wantedTop) // down is better
188			{
189			y += downSlot - wantedTop;
190			}
191			else
192			{
193			y -= wantedTop - upSlot;
194			}
195			}