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positioning of invaders

This commit is contained in:
iggy 2011-08-03 15:02:51 +02:00
parent 8f7664a938
commit 830ee24cb7
1 changed files with 9 additions and 8 deletions
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17
firmware/loadable/spaceinvaders.c
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@ -12,6 +12,7 @@ void delayms(uint32_t ms);
/**************************************************************************/ /**************************************************************************/
#define POS_PLAYER_Y 60 #define POS_PLAYER_Y 60
#define POS_PLAYER_X RESX/2-3
#define POS_UFO_Y 0 #define POS_UFO_Y 0
#define ENEMY_ROWS 3 #define ENEMY_ROWS 3
#define ENEMY_COLUMNS 6 #define ENEMY_COLUMNS 6
@ -20,15 +21,15 @@ void delayms(uint32_t ms);
#define UFO_PROB 1024 #define UFO_PROB 1024
#define TYPE_PLAYER 1 #define TYPE_PLAYER 1
#define TYPE_ENEMY_A 2 #define TYPE_ENEMY_A 3
#define TYPE_ENEMY_B 3 #define TYPE_ENEMY_B 2
#define TYPE_ENEMY_C 4 #define TYPE_ENEMY_C 4
#define TYPE_UFO 5 #define TYPE_UFO 5
#define BUNKERS 3 #define BUNKERS 3
#define BUNKER_WIDTH 10 #define BUNKER_WIDTH 10
static const uint8_t BUNKER_X[] = {15, RESX/2-BUNKER_WIDTH/2,RESX-BUNKER_WIDTH-15}; static const uint8_t BUNKER_X[] = {15, RESX/2-BUNKER_WIDTH/2,RESX-BUNKER_WIDTH-15};
static const uint8_t ENEMY_WIDTHS[] = {10,11,8}; static const uint8_t ENEMY_WIDTHS[] = {8,10,12};
struct gamestate { struct gamestate {
char player; char player;
@ -144,7 +145,7 @@ void screen_level() {
} }
void init_game(void) { void init_game(void) {
game.player = RESX/2-4; game.player = POS_PLAYER_X;
game.shot_x = DISABLED; game.shot_x = DISABLED;
game.shot_y = 0; game.shot_y = 0;
game.alive = ENEMY_ROWS*ENEMY_COLUMNS; game.alive = ENEMY_ROWS*ENEMY_COLUMNS;
@ -181,7 +182,7 @@ void init_enemy() {
for (int row = 0; row<ENEMY_ROWS; row++) { for (int row = 0; row<ENEMY_ROWS; row++) {
game.enemy_row_y[row] = 10 + (40/ENEMY_ROWS)*row; game.enemy_row_y[row] = 10 + (40/ENEMY_ROWS)*row;
for (int col = 0; col<ENEMY_COLUMNS; col++) { for (int col = 0; col<ENEMY_COLUMNS; col++) {
game.enemy_x[row][col] = 5+(86/ENEMY_COLUMNS)*col; game.enemy_x[row][col] = 5+(86/ENEMY_COLUMNS)*col+(2-row);
} }
} }
} }
@ -378,7 +379,7 @@ void move_enemy() {
//Are we at the beginning or end? Direction change //Are we at the beginning or end? Direction change
if((pos <=0 && game.direction != 1) || if((pos <=0 && game.direction != 1) ||
(pos >=RESX-11-1 && game.direction == 1)){ (pos >=RESX-10 && game.direction == 1)){
game.direction = (game.direction==1)?-1:1; game.direction = (game.direction==1)?-1:1;
for (char r = 0; r<ENEMY_ROWS; r++) { for (char r = 0; r<ENEMY_ROWS; r++) {
game.enemy_row_y[r]+=game.level>=23?4:2; game.enemy_row_y[r]+=game.level>=23?4:2;
@ -407,7 +408,7 @@ void draw_enemy() {
for (int row = 0; row<ENEMY_ROWS; row++) { for (int row = 0; row<ENEMY_ROWS; row++) {
for (int col = 0; col<ENEMY_COLUMNS; col++) { for (int col = 0; col<ENEMY_COLUMNS; col++) {
if (game.enemy_x[row][col] != DISABLED) { if (game.enemy_x[row][col] != DISABLED) {
draw_sprite(TYPE_ENEMY_A+row,game.enemy_x[row][col],game.enemy_row_y[row]); draw_sprite(TYPE_ENEMY_C-row,game.enemy_x[row][col],game.enemy_row_y[row]);
} }
} }
} }
@ -477,7 +478,7 @@ void check_end() {
if (game.killed) { if (game.killed) {
game.rokets--; game.rokets--;
delayms(500); delayms(500);
game.player = RESX/2-4; game.player = POS_PLAYER_X;
for(int col=0; col<ENEMY_COLUMNS; col++) { for(int col=0; col<ENEMY_COLUMNS; col++) {
game.shots_x[col] = DISABLED; game.shots_x[col] = DISABLED;