PixelWars/tools.c
2015-01-13 17:44:10 +01:00

111 lines
2.4 KiB
C

#include "tools.h"
typedef struct{
t_dude* dude;
t_coord dst;
int ok;
} t_move;
t_move* clearMoves[MAX_DUDES*NB_TEAMS];
int nb_clear = 0;
t_move* occupiedMoves[MAX_DUDES*NB_TEAMS];
int nb_occupied = 0;
t_pixel** map;
void add_move(t_dude* dude, t_coord dst, t_pixel** the_map){
map = the_map;
t_move* move = malloc(sizeof(t_move));
move->dude = dude;
move->dst = dst;
move->ok = 0;
if(map[dst.x][dst.y].type == DUDE)
occupiedMoves[nb_occupied++] = move;
else
clearMoves[nb_clear++] = move;
}
void applyMove(t_move* move){
t_pixel target = map[move->dst.x][move->dst.y];
map[move->dude->pos.x][move->dude->pos.y] = move->dude->ground;
move->dude->ground = target;
target.type = DUDE;
target.data = move->dude;
}
void resolve_moves(){
int change = 1;
int i;
// clear moves
while(nb_clear > 0){
i = rand()%nb_clear;
if(map[clearMoves[i]->dst.x][clearMoves[i]->dst.y].type == DUDE){
occupiedMoves[nb_occupied++] = clearMoves[i];
}else{
applyMove(clearMoves[i]);
}
clearMoves[i] = clearMoves[--nb_clear];
}
// occupied moves
while(change){
change = 0;
for(i=0; i<nb_occupied; i++){
if(map[occupiedMoves[i]->dst.x][occupiedMoves[i]->dst.y].type != DUDE){
change = 1;
applyMove(occupiedMoves[i]);
}
}
}
nb_occupied = 0;
}
Uint32 getpixel(SDL_Surface *surface, int x, int y)
{
int bpp = surface->format->BytesPerPixel;
Uint8 *p = (Uint8 *)surface->pixels + y * surface->pitch + x * bpp;
switch (bpp) {
case 1:
return *p;
case 2:
return *(Uint16 *)p;
case 3:
if (SDL_BYTEORDER == SDL_BIG_ENDIAN)
return p[0] << 16 | p[1] << 8 | p[2];
else
return p[0] | p[1] << 8 | p[2] << 16;
case 4:
return *(Uint32 *)p;
default:
return 0;
}
}
void putpixel(SDL_Surface *surface, int x, int y, Uint32 pixel)
{
int bpp = surface->format->BytesPerPixel;
/* Here p is the address to the pixel we want to set */
Uint8 *p = (Uint8 *)surface->pixels + y * surface->pitch + x * bpp;
switch(bpp) {
case 1:
*p = pixel;
break;
case 2:
*(Uint16 *)p = pixel;
break;
case 3:
if(SDL_BYTEORDER == SDL_BIG_ENDIAN) {
p[0] = (pixel >> 16) & 0xff;
p[1] = (pixel >> 8) & 0xff;
p[2] = pixel & 0xff;
} else {
p[0] = pixel & 0xff;
p[1] = (pixel >> 8) & 0xff;
p[2] = (pixel >> 16) & 0xff;
}
break;
case 4:
*(Uint32 *)p = pixel;
break;
}
}