blobwarsAttrition/src/game/credits.c

200 lines
3.6 KiB
C

/*
Copyright (C) 2015-2017 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 "credits.h"
static void loadCredits(void);
static void logic(void);
static void draw(void);
static void handleKeyboard(void);
static void destroyCredits(void);
static Texture *atlasTexture;
static Atlas *background;
static Credit head, *tail;
static float creditSpeed;
static int timeout;
static int isFromEnding;
void initCredits(int fromEnding)
{
startSectionTransition();
isFromEnding = fromEnding;
memset(&head, 0, sizeof(Credit));
tail = &head;
app.delegate.logic = &logic;
app.delegate.draw = &draw;
memset(&app.keyboard, 0, sizeof(int) * MAX_KEYBOARD_KEYS);
atlasTexture = getTexture("gfx/atlas/atlas.png");
background = getImageFromAtlas("gfx/main/credits.png");
loadCredits();
if (isFromEnding)
{
loadMusic("music/Eternal Wishes.ogg");
playMusic(0);
}
endSectionTransition();
}
static void logic(void)
{
Credit *c;
handleKeyboard();
for (c = head.next ; c != NULL ; c = c->next)
{
c->y -= creditSpeed;
}
if (--timeout <= 0)
{
if (isFromEnding)
{
initTitle();
}
else
{
startSectionTransition();
returnToTitle();
endSectionTransition();
}
destroyCredits();
}
}
static void draw(void)
{
float scale;
int w, h;
Credit *c;
scale = (SCREEN_WIDTH * 1.0) / background->rect.w;
w = background->rect.w * scale;
h = background->rect.h * scale;
blitRectScaled(atlasTexture->texture, 0, SCREEN_HEIGHT - h, w, h, &background->rect, 0);
limitTextWidth(CREDIT_LINE_LIMIT);
for (c = head.next ; c != NULL ; c = c->next)
{
if (c->y > -c->h && c->y < SCREEN_HEIGHT)
{
drawText(SCREEN_WIDTH / 2, (int)c->y, c->size, TA_CENTER, colors.white, c->text);
}
}
limitTextWidth(0);
}
static void loadCredits(void)
{
int y, dist;
char *text, *line, *saveptr;
Credit *c;
y = SCREEN_HEIGHT + 50;
text = readFile("data/misc/credits.txt");
limitTextWidth(CREDIT_LINE_LIMIT);
line = strtok_r(text, "\n", &saveptr);
while (line)
{
c = malloc(sizeof(Credit));
memset(c, 0, sizeof(Credit));
tail->next = c;
tail = c;
c->y = y;
c->text = malloc(sizeof(char) * strlen(line));
memset(c->text, '\0', sizeof(char) * strlen(line));
sscanf(line, "%d %d %[^\n]", &dist, &c->size, c->text);
c->y += dist;
c->h = getWrappedTextHeight(c->text, c->size);
y += c->h + dist;
line = strtok_r(NULL, "\n", &saveptr);
}
limitTextWidth(0);
/* the music that plays over the credits is 1m 55s, so scroll credits roughly inline with that (plus 2 seconds) */
if (isFromEnding)
{
timeout = (60 + 57) * FPS;
}
else
{
timeout = 60 * FPS;
}
timeout += FPS * 3;
creditSpeed = y;
creditSpeed /= timeout;
free(text);
}
static void handleKeyboard(void)
{
if (app.keyboard[SDL_SCANCODE_ESCAPE])
{
timeout = 0;
app.keyboard[SDL_SCANCODE_ESCAPE] = 0;
}
}
static void destroyCredits(void)
{
Credit *c;
while (head.next)
{
c = head.next;
head.next = c->next;
if (c->text)
{
free(c->text);
}
free(c);
}
}