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level.c
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/*
The contents of this file are subject to the Mozilla Public License
Version 1.1 (the "License"); you may not use this file except in
compliance with the License. You may obtain a copy of the License at
http://www.mozilla.org/MPL/
Software distributed under the License is distributed on an "AS IS"
basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
License for the specific language governing rights and limitations
under the License.
Alternatively, the contents of this file may be used under the terms
of the GNU Lesser General Public license (the "LGPL License"), in which case the
provisions of LGPL License are applicable instead of those
above.
For feedback and questions about our Files and Projects please mail us,
Janek Schäfer (foxblock) , foxblock_gmail_com
Alexander Matthes (Ziz) , zizsdl_at_googlemail.com
*/
#include "level.h"
pLevelObjectGroup createGroup(pLevelObjectGroup *firstGroup, LevelObjectType type)
{
pLevelObjectGroup group = (pLevelObjectGroup)malloc(sizeof(tLevelObjectGroup));
group->type = type;
group->firstObject = NULL;
if (*firstGroup)
{
(*firstGroup)->prev->next = group;
group->prev = (*firstGroup)->prev;
group->next = (*firstGroup);
(*firstGroup)->prev = group;
}
else
{
group->next = group;
group->prev = group;
}
(*firstGroup) = group;
return group;
}
pLevelObject createObject(pLevelObjectGroup group,LevelObjectType type)
{
pLevelObject obj = (pLevelObject)malloc(sizeof(tLevelObject));
//Some default values. Keep in mind: Not every value is used for every object
obj->type = type;
obj->animation = NULL;
obj->x = 0;
obj->y = 0;
obj->w = 24;
obj->h = 24;
obj->speed.v1.x = 0;
obj->speed.v1.y = 0;
obj->speed.v2.x = 0;
obj->speed.v2.y = 0;
obj->direction = 0;
obj->some_char = NULL;
obj->kind = 0;
obj->state = OFF;
obj->physicsElement = NULL;
obj->group = group;
if (group->firstObject)
{
group->firstObject->prev->next = obj;
obj->prev = group->firstObject->prev;
obj->next = group->firstObject;
group->firstObject->prev = obj;
}
else
{
obj->next = obj;
obj->prev = obj;
}
group->firstObject = obj;
return obj;
}
void removeObject(pLevelObject obj,pLevel level)
{
if (obj == level->choosenPlayer)
level->choosenPlayer = level->choosenPlayer->prev;
if (obj->some_char)
free(obj->some_char);
if (obj->animation)
spDeleteSpriteCollection(obj->animation,0);
if (obj == obj->next)
obj->group->firstObject = NULL;
else
{
obj->next->prev = obj->prev;
obj->prev->next = obj->next;
if (obj == obj->group->firstObject)
obj->group->firstObject = obj->next;
}
free(obj);
}
void allocLayer(pLayer layer,int width, int height)
{
layer->tile = (pTile)malloc(sizeof(tTile)*width*height);
memset(layer->tile,0,width*height*sizeof(tTile));
layer->width = width;
layer->height = height;
}
#define READ_TIL_TAG_BEGIN end = spReadUntil(file,buffer,65536,'<',1); if (end) break;
#define READ_TIL_TAG_END end = spReadUntil(file,buffer,65536,'>',1); if (end) break;
int getHexSign(char sign)
{
if (sign >= '0' && sign <= '9')
return sign-'0';
if (sign >= 'A' && sign <= 'F')
return sign-'A'+10;
if (sign >= 'a' && sign <= 'f')
return sign-'a'+10;
return 0;
}
Uint16 hex2color(char* value)
{
if (value[0] == '#')
value++;
if (strlen(value) < 6)
return 0;
int r = getHexSign(value[0])*16+getHexSign(value[1]);
int g = getHexSign(value[2])*16+getHexSign(value[3]);
int b = getHexSign(value[4])*16+getHexSign(value[5]);
return spGetRGB(r,g,b);
}
typedef struct sTile_set *pTile_set;
typedef struct sTile_set {
int firstgid;
int lastgid;
int width,height,tilewidth,tileheight;
char* filename;
pTile_set next;
} tTile_set;
spSpritePointer get_sprite(int tilenr,pTile_set tile_set,spSpritePointer *table,int zoom,Uint16 backgroundColor)
{
if (tilenr <= 0)
return NULL;
if (table[tilenr])
return table[tilenr];
while (tile_set)
{
if (tile_set->firstgid<=tilenr && tile_set->lastgid>=tilenr)
{
//Calculating the position of the tile.
int lineMax = tile_set->width/tile_set->tilewidth;
int lineNumber = (tilenr-tile_set->firstgid)/lineMax;
int linePosition = (tilenr-tile_set->firstgid)%lineMax;
table[tilenr] = spNewSprite(NULL);
char filename[1024];
sprintf(filename,"./level/%s",tile_set->filename);
SDL_Surface* surface = spLoadSurfaceZoom(filename,SP_ONE >> zoom);
if (spLastCachedSurfaceWasLoadedFirstTime())
{
//Adding the background color as "alpha"
SDL_LockSurface(surface);
Uint16* pixel = (Uint16*)surface->pixels;
Sint32 m = surface->pitch/surface->format->BytesPerPixel;
int x,y;
for (x = 0; x < surface->w; x++)
for (y = 0; y < surface->h; y++)
if (pixel[x+y*m] != SP_ALPHA_COLOR)
pixel[x+y*m] = spInterpolateColor(backgroundColor,pixel[x+y*m],SP_ONE >> zoom);
SDL_UnlockSurface(surface);
}
spNewSubSpriteWithTiling(table[tilenr],surface,linePosition*tile_set->tilewidth >> zoom,lineNumber*tile_set->tileheight >> zoom,tile_set->tilewidth >> zoom,tile_set->tileheight >> zoom,1000);
return table[tilenr];
}
tile_set = tile_set->next;
}
return NULL;
}
SDL_Surface* create_platform(int w, int h)
{
SDL_Surface* renderTarget = spGetRenderTarget();
SDL_Surface* surface = spCreateSurface(w,h);
SDL_Surface* skeleton = spLoadSurface("./images/platform.png");
SDL_FillRect(surface,NULL,0);
spSelectRenderTarget(surface);
spSetZSet(0);
spSetZTest(0);
spSetAlphaTest(0);
spSetVerticalOrigin(SP_TOP);
spSetHorizontalOrigin(SP_LEFT);
int rw = spMin(8,w/2+1);
int rh = spMin(8,h/2+1);
//Left top of the platform
spBlitSurfacePart( 0, 0,-1,skeleton, 0, 0,rw,rh);
//Center top
int i;
for (i=rw; i < w-rw; i++)
spBlitSurfacePart( i, 0,-1,skeleton, 8, 0, 1,rh);
//Right top
spBlitSurfacePart(w-rw, 0,-1,skeleton,16-rw, 0,rw,rh);
//Left center
int j;
for (j=rh; j < h-rh; j++)
spBlitSurfacePart( 0, j,-1,skeleton, 0, 8,rw, 1);
//Center center
for (i=rw; i < w-rw; i++)
for (j=rh; j < h-rh; j++)
spBlitSurfacePart( i, j,-1,skeleton, 8, 8, 1, 1);
//Right center
for (j=rh; j < h-rh; j++)
spBlitSurfacePart(w-rw, j,-1,skeleton,16-rw, 8,rw, 1);
//Left bottom
spBlitSurfacePart( 0,h-rh,-1,skeleton, 0,16-rh,rw,rh);
//Center bottom
for (i=rw; i < w-rw; i++)
spBlitSurfacePart( i,h-rh,-1,skeleton, 8,16-rh, 1,rh);
//Right bottom
spBlitSurfacePart(w-rw,h-rh,-1,skeleton,16-rw,16-rh,rw,rh);
spDeleteSurface(skeleton);
if (renderTarget)
spSelectRenderTarget(renderTarget);
return surface;
}
pLevel loadLevel(char* filename)
{
SDL_RWops *file = SDL_RWFromFile(filename, "rt");
if (!file)
{
printf("Level \"%s\" not found. We're all gone die!\n",filename);
return NULL;
}
//Creating a new, empty level
pLevel level = (pLevel)malloc(sizeof(tLevel));
level->layer.physics.tile = NULL;
level->layer.background.tile = NULL;
level->layer.player.tile = NULL;
level->layer.foreground.tile = NULL;
level->currentCamera.x = 0;
level->currentCamera.y = 0;
level->targetCamera.x = 0;
level->targetCamera.y = 0;
level->backgroundColor = 65535; //white
int i;
for (i = 0; i < PARALAX; i++)
level->spriteTable[i] = NULL;
level->firstObjectGroup = NULL;
level->choosenPlayer = NULL;
//Some values, which will be read and used later
int width = 0;
int height = 0;
pTile_set tile_set = NULL;
int physics_basis = 0;
char buffer[65536];
//Reading to the begin of the first tag
spReadUntil(file,buffer,65536,'<',1);
//Reading the first tag
spReadUntil(file,buffer,65536,'>',1);
if (buffer[0] == '?')
printf("Reading first line %s - Everything as expected\n",buffer);
else
{
printf("Reading first line %s - What the hell is this?\n",buffer);
SDL_RWclose(file);
return NULL;
}
//Reading the first level specific tag
spReadUntil(file,buffer,65536,'<',1);
spReadUntil(file,buffer,65536,'>',1);
if (strstr(buffer,"map"))
{
printf("Reading level map\n");
//Parsing parameters of "map"
char *begin = strchr(buffer,' ');
while (1)
{
if (!begin)
break;
begin++; // sign after ' '
char* end = strchr(begin,' ');
if (end)
end[0] = 0;
else
break;
//the parameter is now in "begin"
//we search only width and height
if (strstr(begin,"width")==begin) //width at the BEGIN of the string!
{
char* number_begin = strchr(begin,'\"');
number_begin++; //now the begin of the number
width = atoi(number_begin);
printf("Level width is %i\n",width);
}
else
if (strstr(begin,"height")==begin) //height at the BEGIN of the string!
{
char* number_begin = strchr(begin,'\"');
number_begin++; //now the begin of the number
height = atoi(number_begin);
printf("Level height is %i\n",height);
}
begin = end;
}
//Now reading everything, which is between <map …> and </map>
//Creating the layers and setting them to NULL.
printf("Creating layers\n");
allocLayer(&(level->layer.physics),width,height);
allocLayer(&(level->layer.background),width,height);
allocLayer(&(level->layer.player),width,height);
allocLayer(&(level->layer.foreground),width,height);
int end = 0;
while (!end)
{
READ_TIL_TAG_BEGIN
READ_TIL_TAG_END
//possibilites are: properties, tileset, layer, objectgroup or /map
if (strstr(buffer,"properties") == buffer)
{
//Reading the properties. Possibilites are: "background color"
while (!end)
{
READ_TIL_TAG_BEGIN
READ_TIL_TAG_END
if (strstr(buffer,"/properties") == buffer)
break;
else
if (strstr(buffer,"property") == buffer)
{
char* property = strstr(buffer,"name");
property = strchr(property,'\"');
property++;
char* end_s = strchr(property,'\"');
end_s[0] = 0;
printf("Found the property \"%s\"\n",property);
if (strcmp(property,"background color") == 0)
{
end_s++;
char* value = strstr(end_s,"value");
value = strstr(value,"#");
end_s = strchr(value,'\"');
end_s[0] = 0;
level->backgroundColor = hex2color(value);
printf("Set the background color to %s (%i)\n",value,level->backgroundColor);
}
}
}
}
else
if (strstr(buffer,"tileset") == buffer)
{
//Reading the parameters of the tag
pTile_set newset = (pTile_set)malloc(sizeof(tTile_set));
newset->next = tile_set;
tile_set = newset;
//firstgid
char* attribute = strstr(buffer,"firstgid");
attribute = strchr(attribute,'\"');
attribute++;
char* end_s = strchr(attribute,'\"');
end_s[0] = 0;
newset->firstgid = atoi(attribute);
end_s[0] = '\"';
//name
attribute = strstr(buffer,"name");
attribute = strchr(attribute,'\"');
attribute++;
end_s = strchr(attribute,'\"');
end_s[0] = 0;
if (strcmp(attribute,"collision") == 0 || strcmp(attribute,"physics") == 0)
physics_basis = newset->firstgid;
end_s[0] = '\"';
//tilewidth
attribute = strstr(buffer,"tilewidth");
attribute = strchr(attribute,'\"');
attribute++;
end_s = strchr(attribute,'\"');
end_s[0] = 0;
newset->tilewidth = atoi(attribute);
end_s[0] = '\"';
//tileheight
attribute = strstr(buffer,"tileheight");
attribute = strchr(attribute,'\"');
attribute++;
end_s = strchr(attribute,'\"');
end_s[0] = 0;
newset->tileheight = atoi(attribute);
newset->filename = NULL;
//Reading the tilesets.
while (!end)
{
READ_TIL_TAG_BEGIN
READ_TIL_TAG_END
if (strstr(buffer,"image") == buffer)
{
//filename (source)
attribute = strstr(buffer,"source");
attribute = strchr(attribute,'\"');
attribute++;
char* end_s = strchr(attribute,'\"');
end_s[0] = 0;
newset->filename = (char*)malloc(strlen(attribute)+1);
sprintf(newset->filename,"%s",attribute);
end_s[0] = '\"';
//width
attribute = strstr(buffer,"width");
attribute = strchr(attribute,'\"');
attribute++;
end_s = strchr(attribute,'\"');
end_s[0] = 0;
newset->width = atoi(attribute);
end_s[0] = '\"';
//height
attribute = strstr(buffer,"height");
attribute = strchr(attribute,'\"');
attribute++;
end_s = strchr(attribute,'\"');
end_s[0] = 0;
newset->height = atoi(attribute);
newset->lastgid = newset->firstgid+(newset->width/newset->tilewidth)*(newset->height/newset->tileheight)-1;
printf("Added tileset from %i to %i with \"%s\"\n",newset->firstgid,newset->lastgid,newset->filename);
}
else
if (strstr(buffer,"/tileset") == buffer)
break;
}
}
else
if (strstr(buffer,"layer") == buffer)
{
//Creating spriteLookUptable if not existing
if (level->spriteTable[0] == NULL)
{
int i;
for (i = 0; i < PARALAX; i++)
{
level->spriteTable[i] = (spSpritePointer*)malloc((tile_set->lastgid+1)*sizeof(spSpritePointer));
memset(level->spriteTable[i],0,(tile_set->lastgid+1)*sizeof(spSpritePointer));
}
level->spriteTableCount = tile_set->lastgid+1;
}
//Loading layer
pLayer layer = NULL;
char* layername = strstr(buffer,"name");
layername = strchr(layername,'\"');
layername++;
char* end_s = strchr(layername,'\"');
end_s[0] = 0;
int physics_layer = 0;
if (strstr(layername,"background"))
{
layer = &(level->layer.background);
printf("Loading Background layer\n");
}
else
if (strstr(layername,"player"))
{
layer = &(level->layer.player);
printf("Loading Player layer\n");
}
else
if (strstr(layername,"foreground"))
{
layer = &(level->layer.foreground);
printf("Loading Foreground layer\n");
}
else
if (strstr(layername,"collision") || strstr(layername,"physics"))
{
layer = &(level->layer.physics);
physics_layer = 1;
printf("Loading Physic layer\n");
}
else
printf("Unknown layer \"%s\". Will crash with segfault. ;-)\n",layername);
//So, now we know the kind of the layer, time to load the "data"
READ_TIL_TAG_BEGIN
READ_TIL_TAG_END
if (strstr(buffer,"data") == buffer)
{
char* encoding = strstr(buffer,"encoding");
encoding = strchr(encoding,'\"');
encoding++;
char* end_s = strchr(encoding,'\"');
end_s[0] = 0;
if (strcmp(encoding,"csv"))
printf("Expected csv-encoding. This will NOT work!\n");
}
else
printf("Expected data-tag in layer, you know? Will Crash.\n");
READ_TIL_TAG_BEGIN
//Reading layer
int i;
char* next_number = buffer;
for (i = 0; i < layer->width*layer->height && next_number; i++)
{
while (next_number[0] < '0' || next_number[0] > '9')
next_number++;
layer->tile[i].nr = atoi(next_number);
if (physics_layer)
{
layer->tile[i].sprite[0] = NULL;
if (layer->tile[i].nr)
layer->tile[i].nr-=physics_basis;
}
else
{
int j;
for (j = 0; j < PARALAX; j++)
layer->tile[i].sprite[j] = get_sprite(layer->tile[i].nr,tile_set,level->spriteTable[j],j,level->backgroundColor);
}
next_number = strchr(next_number,',');
}
READ_TIL_TAG_END
//endtag data
if (strcmp(buffer,"/data"))
printf("Expected </data> instead of <%s>\n",buffer);
READ_TIL_TAG_BEGIN
READ_TIL_TAG_END
//endtag layer
if (strcmp(buffer,"/layer"))
printf("Expected </layer> instead of <%s>\n",buffer);
}
else
if (strstr(buffer,"objectgroup") == buffer)
{
LevelObjectType defaultType = LOGICGROUP;
char* name = strstr(buffer,"name");
name = strchr(name,'\"');
name++;
char* end_s = strchr(name,'\"');
end_s[0] = 0;
//Which type?
if (strcmp(name,"player") == 0)
defaultType = PLAYER;
else
if (strcmp(name,"bug") == 0)
defaultType = BUG;
else
if (strcmp(name,"nega") == 0)
defaultType = NEGA;
else
if (strcmp(name,"box") == 0)
defaultType = BOX;
else
if (strcmp(name,"door") == 0)
defaultType = DOOR;
else
if (strcmp(name,"trophies") == 0)
defaultType = TROPHIES;
else
if (strcmp(name,"generic") == 0)
defaultType = GENERIC;
else
if (strstr(name,"collectible") == name)
defaultType = COLLECTIBLE;
else
if (strstr(name,"unselectable") == name)
defaultType = UNSELECTABLE;
end_s[0] = '\"';
printf("Loading objectgroup of kind %i\n",defaultType);
//Creating the group.
pLevelObjectGroup group = createGroup(&(level->firstObjectGroup),defaultType);
//Reading the objects of the group
while (!end)
{
READ_TIL_TAG_BEGIN
READ_TIL_TAG_END
if (strstr(buffer,"/objectgroup") == buffer)
break;
else
if (strstr(buffer,"object") == buffer)
{
LevelObjectType objectType = defaultType;
pLevelObject obj = createObject(group,objectType);
//name (if exist)
char* attribute = strstr(buffer,"name");
if (attribute)
{
attribute = strchr(attribute,'\"');
attribute++;
char* end_s = strchr(attribute,'\"');
end_s[0] = 0;
if (defaultType == BUG || defaultType == NEGA ) //BUG, NEGA
{
if (strcmp(attribute,"right") == 0)
obj->direction = RIGHT;
else
if (strcmp(attribute,"left") == 0)
obj->direction = LEFT;
}
else
if (defaultType == DOOR || defaultType == GENERIC) //DOOR, GENERIC
{
obj->some_char = (char*)malloc(strlen(attribute)+1);
sprintf(obj->some_char,"%s",attribute);
}
if (defaultType == TROPHIES || defaultType == COLLECTIBLE) //TROPHIES, COLLECTIBLE
obj->kind = attribute[0]-'0'; //works fine from 0 to 9. :)
else
if (defaultType == LOGICGROUP) //GROUP
{
if (strcmp(attribute,"switch") == 0)
obj->type = SWITCH;
else
if (strcmp(attribute,"button") == 0)
obj->type = BUTTON;
else
if (strcmp(attribute,"platform") == 0)
obj->type = PLATFORM;
else
if (strcmp(attribute,"paternoster") == 0)
{
obj->type = PLATFORM;
obj->kind = 1;
}
}
end_s[0] = '\"';
}
//type (if exist)
attribute = strstr(buffer,"type");
if (attribute)
{
attribute = strchr(attribute,'\"');
attribute++;
char* end_s = strchr(attribute,'\"');
end_s[0] = 0;
if (obj->type == SWITCH || obj->type == BUTTON)
{
if (strstr(attribute,"negative"))
obj->kind = 1;
if (strstr(attribute,"on"))
obj->state= ON;
if (strstr(attribute,"off"))
obj->state= OFF;
}
else
if (obj->type == DOOR)
obj->kind = attribute[0]-'0';
else
if (obj->type == PLATFORM)
{
//Searching the first "("
char* temp = strchr(attribute,'(');
temp++;
obj->speed.v1.x = spAtof(temp);
temp = strchr(temp,';');
temp++;
obj->speed.v1.y = spAtof(temp);
printf(" Setting the first vector (%i:%i)\n",obj->speed.v1.x,obj->speed.v1.y);
temp = strchr(temp,'(');
temp++;
obj->speed.v2.x = spAtof(temp);
temp = strchr(temp,';');
temp++;
obj->speed.v2.y = spAtof(temp);
printf(" Setting the second vector (%i:%i)\n",obj->speed.v2.x,obj->speed.v2.y);
}
end_s[0] = '\"';
}
int read_w = 0;
int read_h = 0;
//w (if exist)
attribute = strstr(buffer,"width");
if (attribute)
{
attribute = strchr(attribute,'\"');
attribute++;
read_w = atoi(attribute);
}
//h (if exist)
attribute = strstr(buffer,"height");
if (attribute)
{
attribute = strchr(attribute,'\"');
attribute++;
read_h = atoi(attribute);
}
char* temp;
char meow[256];
SDL_Surface* surface;
switch (obj->type) //Creating the animation
{
case PLAYER:
obj->animation = spLoadSpriteCollection("./sprites/player.ssc",NULL);
break;
case BUG:
obj->animation = spLoadSpriteCollection("./sprites/enemy01.ssc",NULL);
if (obj->direction == LEFT)
spSelectSprite(obj->animation,"stand left");
else
if (obj->direction == RIGHT)
spSelectSprite(obj->animation,"stand right");
break;
case NEGA:
obj->animation = spLoadSpriteCollection("./sprites/enemy02.ssc",NULL);
if (obj->direction == LEFT)
spSelectSprite(obj->animation,"stand left");
else
if (obj->direction == RIGHT)
spSelectSprite(obj->animation,"stand right");
break;
case BOX:
obj->animation = spLoadSpriteCollection("./sprites/box.ssc",NULL);
break;
case SWITCH:
obj->animation = spLoadSpriteCollection("./sprites/switch.ssc",NULL);
if (obj->state)
spSelectSprite(obj->animation,"on");
break;
case BUTTON:
obj->animation = spLoadSpriteCollection("./sprites/button.ssc",NULL);
break;
case DOOR:
obj->animation = spLoadSpriteCollection("./sprites/door.ssc",NULL);
sprintf(meow,"door %i closed",obj->kind);
spSelectSprite(obj->animation,meow);
break;
case UNSELECTABLE:
obj->animation = NULL; //!TODO: something nice
break;
case PLATFORM:
printf(" Creating custom platform\n");
obj->animation = spNewSpriteCollection();
spAddSpriteToCollection(obj->animation,spNewSprite(NULL));
surface = create_platform(read_w,read_h);
spNewSubSpriteNoTiling(spActiveSprite(obj->animation),surface,1000);
spDeleteSurface(surface); //For the ref counter
break;
case TROPHIES:
obj->animation = spLoadSpriteCollection(name,NULL);
sprintf(meow,"collectible0%i",obj->kind);
spSelectSprite(obj->animation,"full");
break;
case GENERIC:
temp = strchr(obj->some_char,'@');
if (temp)
{
temp[0] = 0;
obj->animation = spLoadSpriteCollection(obj->some_char,NULL);
if (obj->animation == NULL)
{
printf("ERROR: Coudln't load %s\n.",obj->some_char);
break;
}
printf(" Creating animation %s",obj->some_char);
temp[0] = '@';
spSelectSprite(obj->animation,&(temp[1]));
printf(" with default=\"%s\"\n",&(temp[1]));
}
else
{
obj->animation = spLoadSpriteCollection(obj->some_char,NULL);
printf(" Loading animation %s (%p)\n",obj->some_char,obj->animation);
if (obj->animation == NULL)
printf("ERROR: Coudln't load %s\n.",obj->some_char);
}
break;
case COLLECTIBLE:
obj->animation = spLoadSpriteCollection(name,NULL);
sprintf(meow,"%i",obj->kind);
spSelectSprite(obj->animation,meow);
break;
}
//Setting the w and h
switch (obj->type)
{
case PLAYER: case NEGA:
obj->w = 24;
obj->h = 48;
break;
case BUG:
obj->w = 28;
obj->h = 16;
break;
case BOX:
obj->w = 24;
obj->h = 24;
break;
case SWITCH:
obj->w = 32;
obj->h = 32;
break;
case BUTTON:
obj->w = 32;
obj->h = 8;
break;
case DOOR:
obj->w = 32;
obj->h = 54;
break;
case PLATFORM: case UNSELECTABLE:
obj->w = read_w;
obj->h = read_h;
break;
case TROPHIES:
switch (obj->kind)
{
case 0:
obj->w = 72;
obj->h = 72;
break;
case 1:
obj->w = 64;
obj->h = 100;
break;
case 2:
obj->w = 60;
obj->h = 72;
break;
case 3:
obj->w = 96;
obj->h = 48;
break;
}
break;
case GENERIC: case COLLECTIBLE:
if (obj->animation == NULL)
break;
obj->w = spActiveSprite(obj->animation)->maxWidth;
obj->h = spActiveSprite(obj->animation)->maxHeight;
break;
default:
obj->w = 0;
obj->h = 0;
}
//x
attribute = strstr(buffer," x=");
attribute = strchr(attribute,'\"');
attribute++;
end_s = strchr(attribute,'\"');
obj->x = atoi(attribute) << SP_ACCURACY-5;
//y
attribute = strstr(buffer," y=");
attribute = strchr(attribute,'\"');
attribute++;
end_s = strchr(attribute,'\"');
obj->y = atoi(attribute) << SP_ACCURACY-5;
//the position is correct, if there is no gid and no correction is needed
if (strstr(buffer,"gid"))
{
//position correction. read_w and read_h have to be 0.
obj->y -= obj->h << SP_ACCURACY-5;
}
else
{
obj->x += read_w - obj->w << SP_ACCURACY-6;
obj->y += read_h - obj->h << SP_ACCURACY-6;
}
printf(" Create object of type %i\n",obj->type);
printf(" position: %i:%i\n",obj->x >> SP_ACCURACY-5,obj->y >> SP_ACCURACY-5);
}
}
}
}
printf("Deleting temporary tile_set list\n");
while (tile_set)
{
pTile_set next = tile_set->next;
free(tile_set->filename);
free(tile_set);
tile_set = next;
}
}
else
{
printf("Expected \"map …\", not \"%s\".\n",buffer);
SDL_RWclose(file);
return NULL;
}
//Searching a player
pLevelObjectGroup group = level->firstObjectGroup;
if (group)
{
do
{
if (group->type == PLAYER)
break;
group = group->next;
}
while (group != level->firstObjectGroup);
level->choosenPlayer = group->firstObject->prev;
}
else
level->choosenPlayer = NULL; //However: If this line is called, it will crash. ^^
level->currentCamera.x = level->choosenPlayer->x + (level->choosenPlayer->w << SP_ACCURACY - 6);
level->currentCamera.y = level->choosenPlayer->y + (level->choosenPlayer->h << SP_ACCURACY - 6);
level->targetCamera.x = level->choosenPlayer->x + (level->choosenPlayer->w << SP_ACCURACY - 6);
level->targetCamera.y = level->choosenPlayer->y + (level->choosenPlayer->h << SP_ACCURACY - 6);
SDL_RWclose(file);
return level;
}
void drawLevel(pLevel level)
{
spSetHorizontalOrigin(SP_LEFT);
spSetVerticalOrigin(SP_TOP);
int paralax;
for (paralax = PARALAX-1; paralax >= 0; paralax--)
{
int screenWidth = spGetRenderTarget()->w+32;
int screenHeight = spGetRenderTarget()->h+32;
int screenTileWidth = screenWidth/(32>>paralax)+2;
int screenTileHeight = screenHeight/(32>>paralax)+2;
int screenTileBeginX = level->currentCamera.x >> SP_ACCURACY;
int screenTileBeginY = level->currentCamera.y >> SP_ACCURACY;
int startX = screenTileBeginX-screenTileWidth/2;
int startY = screenTileBeginY-screenTileHeight/2;
int endX = screenTileBeginX+screenTileWidth/2;
int endY = screenTileBeginY+screenTileHeight/2;
//layer
int l;
for (l = -3; l < 0; l++)
{
pLayer layer;
switch (l)
{
case -3: layer = &(level->layer.background); break;
case -2: layer = &(level->layer.player); break;
case -1: layer = &(level->layer.foreground); break;
}
int x,y;
for (x = startX; x < endX; x++)
for (y = startY; y < endY; y++)
{
int X,Y;
//if (paralax == 0)
{
if (x < 0 || x >= layer->width)
continue;
if (y < 0 || y >= layer->height)
continue;
X = x;
Y = y;
}
/*else
{
if (x < 0)
X = (layer->width + (x % layer->width)) % layer->width;
else
X = x % layer->width;
//if (y < 0)
// Y = (layer->height + (y % layer->height)) % layer->height;
//else
// Y = y % layer->height;
if (y < 0 || y >= layer->height)
continue;
Y = y;
}*/
spSpritePointer sprite = layer->tile[X+Y*layer->width].sprite[paralax];
if (sprite == NULL)
continue;
int positionX = (x-screenTileBeginX)*(32>>paralax)+ screenWidth/2-((level->currentCamera.x >> SP_ACCURACY -5+paralax) & (31 >> paralax));
int positionY = (y-screenTileBeginY)*(32>>paralax)+screenHeight/2-((level->currentCamera.y >> SP_ACCURACY -5+paralax) & (31 >> paralax));
spDrawSprite(positionX,positionY,l,sprite);
}
if (paralax == 0 && l == -2) //player layer
{
//Drawing the objects.
pLevelObjectGroup group = level->firstObjectGroup;
if (group)
do
{
pLevelObject obj = group->firstObject;
if (obj)
do
{
if (obj->animation)
{
int positionX = (obj->x >> SP_ACCURACY-5)+screenWidth/2
- ((level->currentCamera.x >> SP_ACCURACY -5));
int positionY = (obj->y >> SP_ACCURACY-5)+screenHeight/2
- ((level->currentCamera.y >> SP_ACCURACY -5));
spDrawSprite(positionX,positionY,-2,spActiveSprite(obj->animation));
}
obj = obj->next;
}
while (obj != group->firstObject);
group = group->next;
}
while (group != level->firstObjectGroup);
}
}
}
spSetHorizontalOrigin(SP_CENTER);
spSetVerticalOrigin(SP_CENTER);