100 lines
2.2 KiB
C
100 lines
2.2 KiB
C
/*
|
|
Copyright (C) 2018 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 "atlas.h"
|
|
|
|
static void loadAtlasTexture(void);
|
|
static void loadAtlasData(void);
|
|
|
|
static Atlas atlasHead;
|
|
static Atlas *atlasTail;
|
|
static Texture *atlasTexture;
|
|
static int atlasSize;
|
|
|
|
void initAtlas(void)
|
|
{
|
|
memset(&atlasHead, 0, sizeof(Atlas));
|
|
atlasTail = &atlasHead;
|
|
|
|
loadAtlasTexture();
|
|
|
|
loadAtlasData();
|
|
|
|
dev.debug = dev.showFPS = 1;
|
|
}
|
|
|
|
Atlas *getImageFromAtlas(char *filename)
|
|
{
|
|
Atlas *a;
|
|
|
|
for (a = atlasHead.next ; a != NULL ; a = a->next)
|
|
{
|
|
if (strcmp(a->filename, filename) == 0)
|
|
{
|
|
return a;
|
|
}
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
static void loadAtlasTexture(void)
|
|
{
|
|
atlasTexture = getTexture("gfx/atlas/atlas.png");
|
|
|
|
SDL_QueryTexture(atlasTexture->texture, NULL, NULL, &atlasSize, &atlasSize);
|
|
}
|
|
|
|
static void loadAtlasData(void)
|
|
{
|
|
Atlas *atlas;
|
|
int x, y, w, h;
|
|
cJSON *root, *node;
|
|
char *text, *filename;
|
|
|
|
text = readFile("data/atlas/atlas.json");
|
|
|
|
root = cJSON_Parse(text);
|
|
|
|
for (node = cJSON_GetObjectItem(root, "images")->child ; node != NULL ; node = node->next)
|
|
{
|
|
filename = cJSON_GetObjectItem(node, "filename")->valuestring;
|
|
x = cJSON_GetObjectItem(node, "x")->valueint;
|
|
y = cJSON_GetObjectItem(node, "y")->valueint;
|
|
w = cJSON_GetObjectItem(node, "w")->valueint;
|
|
h = cJSON_GetObjectItem(node, "h")->valueint;
|
|
|
|
atlas = malloc(sizeof(Atlas));
|
|
memset(atlas, 0, sizeof(Atlas));
|
|
atlasTail->next = atlas;
|
|
atlasTail = atlas;
|
|
|
|
STRNCPY(atlas->filename, filename, MAX_FILENAME_LENGTH);
|
|
atlas->rect.x = x;
|
|
atlas->rect.y = y;
|
|
atlas->rect.w = w;
|
|
atlas->rect.h = h;
|
|
}
|
|
|
|
cJSON_Delete(root);
|
|
|
|
free(text);
|
|
}
|