tbftss/src/battle/messageBox.c

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/*
Copyright (C) 2015 Parallel Realities
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 (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, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "messageBox.h"
static void calculateMessageBoxHeight(MessageBox *msg);
static MessageBox head;
static MessageBox *tail;
void initMessageBox(void)
{
memset(&head, 0, sizeof(MessageBox));
tail = &head;
}
void addMessageBox(char *title, char *body)
{
MessageBox *msg;
float time;
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if (tail == &head)
{
playSound(SND_RADIO);
}
msg = malloc(sizeof(MessageBox));
memset(msg, 0, sizeof(MessageBox));
tail->next = msg;
tail = msg;
time = 0.075 * strlen(body);
time = MIN(MAX(time, 3), 7);
STRNCPY(msg->title, title, MAX_NAME_LENGTH);
STRNCPY(msg->body, body, MAX_DESCRIPTION_LENGTH);
msg->time = time * FPS;
}
void doMessageBox(void)
{
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MessageBox *msg;
msg = head.next;
if (msg)
{
if (--msg->time <= -FPS)
{
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if (msg == tail)
{
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tail = &head;
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}
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head.next = msg->next;
free(msg);
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msg = &head;
if (head.next)
{
playSound(SND_RADIO);
}
}
}
}
static void calculateMessageBoxHeight(MessageBox *msg)
{
limitTextWidth(575);
msg->height = getWrappedTextHeight(msg->body, 18);
limitTextWidth(0);
}
int showingMessageBoxes(void)
{
return head.next != NULL;
}
void drawMessageBox(void)
{
MessageBox *msg = head.next;
SDL_Rect r;
if (msg && msg->time > 0)
{
if (!msg->height)
{
calculateMessageBoxHeight(msg);
}
r.y = 50;
r.w = 650;
r.h = msg->height + 40;
r.x = (SCREEN_WIDTH - r.w) / 2;
SDL_SetRenderDrawBlendMode(app.renderer, SDL_BLENDMODE_BLEND);
SDL_SetRenderDrawColor(app.renderer, 0, 0, 0, 128);
SDL_RenderFillRect(app.renderer, &r);
SDL_SetRenderDrawColor(app.renderer, 200, 200, 200, 128);
SDL_RenderDrawRect(app.renderer, &r);
SDL_SetRenderDrawBlendMode(app.renderer, SDL_BLENDMODE_NONE);
drawText(r.x + 10, r.y + 5, 18, TA_LEFT, colors.cyan, msg->title);
limitTextWidth(575);
drawText(r.x + 10, r.y + 30, 18, TA_LEFT, colors.white, msg->body);
limitTextWidth(0);
}
}
void resetMessageBox(void)
{
MessageBox *messageBox;
while (head.next)
{
messageBox = head.next;
head.next = messageBox->next;
free(messageBox);
}
tail = &head;
}