tbftss/src/galaxy/mission.c

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2015-10-20 13:51:49 +02:00
/*
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 "mission.h"
static void loadObjectives(cJSON *node);
static void loadPlayer(cJSON *node);
static void loadFighters(cJSON *node);
static void loadFighterGroups(cJSON *node);
static unsigned long hashcode(const char *str);
void loadMission(char *filename)
{
cJSON *root;
char *text, music[MAX_NAME_LENGTH];
startSectionTransition();
stopMusic();
text = readFile(filename);
srand(hashcode(filename));
root = cJSON_Parse(text);
battle.background = getTexture(cJSON_GetObjectItem(root, "background")->valuestring);
battle.planetTexture = getTexture(cJSON_GetObjectItem(root, "planet")->valuestring);
battle.planet.x = rand() % SCREEN_WIDTH - rand() % SCREEN_WIDTH;
battle.planet.y = rand() % SCREEN_HEIGHT - rand() % SCREEN_HEIGHT;
loadObjectives(cJSON_GetObjectItem(root, "objectives"));
loadPlayer(cJSON_GetObjectItem(root, "player"));
loadFighters(cJSON_GetObjectItem(root, "fighters"));
loadFighterGroups(cJSON_GetObjectItem(root, "fighterGroups"));
STRNCPY(music, cJSON_GetObjectItem(root, "music")->valuestring, MAX_NAME_LENGTH);
cJSON_Delete(root);
free(text);
srand(time(NULL));
endSectionTransition();
if (!battle.objectiveHead.next)
{
battle.status = MS_IN_PROGRESS;
}
playMusic(music);
}
static void loadObjectives(cJSON *node)
{
Objective *o;
if (node)
{
node = node->child;
while (node)
{
o = malloc(sizeof(Objective));
memset(o, 0, sizeof(Objective));
STRNCPY(o->description, cJSON_GetObjectItem(node, "description")->valuestring, MAX_DESCRIPTION_LENGTH);
STRNCPY(o->targetName, cJSON_GetObjectItem(node, "targetName")->valuestring, MAX_NAME_LENGTH);
o->targetValue = cJSON_GetObjectItem(node, "targetValue")->valueint;
o->targetType = lookup(cJSON_GetObjectItem(node, "targetType")->valuestring);
if (cJSON_GetObjectItem(node, "isCondition"))
{
o->isCondition = cJSON_GetObjectItem(node, "isCondition")->valueint;
}
if (cJSON_GetObjectItem(node, "isOptional"))
{
o->isOptional = cJSON_GetObjectItem(node, "isOptional")->valueint;
}
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battle.objectiveTail->next = o;
battle.objectiveTail = o;
node = node->next;
}
}
}
static void loadPlayer(cJSON *node)
{
char *type;
int side;
type = cJSON_GetObjectItem(node, "type")->valuestring;
side = lookup(cJSON_GetObjectItem(node, "side")->valuestring);
player = spawnFighter(type, SCREEN_WIDTH / 2, SCREEN_HEIGHT / 2, side);
player->defaultAction = NULL;
}
static void loadFighters(cJSON *node)
{
Fighter *f;
char *type;
int side, x, y;
if (node)
{
node = node->child;
while (node)
{
type = cJSON_GetObjectItem(node, "type")->valuestring;
side = lookup(cJSON_GetObjectItem(node, "side")->valuestring);
x = cJSON_GetObjectItem(node, "x")->valueint;
y = cJSON_GetObjectItem(node, "y")->valueint;
f = spawnFighter(type, x, y, side);
STRNCPY(f->name, cJSON_GetObjectItem(node, "name")->valuestring, MAX_NAME_LENGTH);
node = node->next;
}
}
}
static void loadFighterGroups(cJSON *node)
{
Fighter *f;
char *type, *name;
int side, x, y;
int number, i;
if (node)
{
node = node->child;
while (node)
{
type = cJSON_GetObjectItem(node, "type")->valuestring;
side = lookup(cJSON_GetObjectItem(node, "side")->valuestring);
number = cJSON_GetObjectItem(node, "number")->valueint;
x = cJSON_GetObjectItem(node, "x")->valueint;
y = cJSON_GetObjectItem(node, "y")->valueint;
name = cJSON_GetObjectItem(node, "name")->valuestring;
for (i = 0 ; i < number ; i++)
{
f = spawnFighter(type, x, y, side);
STRNCPY(f->name, name, MAX_NAME_LENGTH);
}
node = node->next;
}
}
}
Mission *getMission(StarSystem *starSystem, char *filename)
{
Mission *mission;
for (mission = starSystem->missionHead.next ; mission != NULL ; mission = mission->next)
{
if (strcmp(mission->filename, filename) == 0)
{
return mission;
}
}
return NULL;
}
static unsigned long hashcode(const char *str)
{
unsigned long hash = 5381;
int c;
c = *str;
while (c)
{
hash = ((hash << 5) + hash) + c;
c = *str++;
}
return abs(hash);
}