blobwarsAttrition/src/world/map.c

148 lines
2.9 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 "map.h"
static int animTimer;
void initMap(void)
{
memset(&world.map, 0, sizeof(Map));
world.map.bounds.x = MAP_WIDTH * MAP_TILE_SIZE;
world.map.bounds.y = MAP_HEIGHT * MAP_TILE_SIZE;
world.map.bounds.w = 0;
world.map.bounds.h = 0;
animTimer = 0;
}
void animateMap(void)
{
if (--animTimer < 0)
{
animTimer = 4;
}
}
int isWithinMap(int x, int y)
{
return (x >= 0 && y >= 0 && x < MAP_WIDTH && y < MAP_HEIGHT);
}
int isSolid(int x, int y)
{
if (!isWithinMap(x, y))
{
return 1;
}
if ((world.map.data[x][y] >= MAP_TILE_SOLID) && (world.map.data[x][y] < MAP_TILE_NON_SOLID))
{
return 1;
}
return 0;
}
void addBloodDecal(int x, int y)
{
if (isSolid(x, y) && world.map.decal[x][y] == 0)
{
world.map.decal[x][y] = (int) rrnd(1, 4);
}
}
void addScorchDecal(int x, int y)
{
if (isSolid(x, y) && world.map.decal[x][y] == 0)
{
world.map.decal[x][y] = (int) rrnd(5, 8);
}
}
int isLiquid(int x, int y)
{
return isWithinMap(x, y) && world.map.data[x][y] > MAP_TILE_AIR && world.map.data[x][y] < MAP_TILE_SOLID;
}
int isWalkable(int x, int y)
{
return isSolid(x, y);
}
int isBreakable(int x, int y)
{
return 0;
}
void calculateMapBounds(void)
{
int x, y;
for (y = 0 ; y < MAP_HEIGHT; y++)
{
for (x = 0 ; x < MAP_WIDTH; x++)
{
if (world.map.data[x][y] != 0)
{
if (x < world.map.bounds.x)
{
world.map.bounds.x = x;
}
if (x > world.map.bounds.w)
{
world.map.bounds.w = x;
}
if (y < world.map.bounds.y)
{
world.map.bounds.y = y;
}
if (y > world.map.bounds.h)
{
world.map.bounds.h = y;
}
}
}
}
if (world.map.bounds.h - RENDER_HEIGHT < world.map.bounds.y)
{
world.map.bounds.y = 0;
}
world.map.bounds.x = (int) limit(world.map.bounds.x, 0, MAP_WIDTH - RENDER_WIDTH);
world.map.bounds.y = (int) limit(world.map.bounds.y, 0, MAP_HEIGHT - RENDER_HEIGHT);
world.map.bounds.x *= MAP_TILE_SIZE;
world.map.bounds.y *= MAP_TILE_SIZE;
world.map.bounds.w *= MAP_TILE_SIZE;
world.map.bounds.h *= MAP_TILE_SIZE;
world.map.bounds.w -= SCREEN_WIDTH;
world.map.bounds.h -= SCREEN_HEIGHT;
world.map.bounds.w += MAP_TILE_SIZE;
world.map.bounds.h += MAP_TILE_SIZE;
}