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Merge pull request #3 from justinorringer/scrolling_dog
Scrolling Dog
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,28 @@ | ||
| #include <gb/gb.h> | ||
| #include <stdbool.h> | ||
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| // ~40% of the screen width | ||
| UINT8 gameplay_x = 55; | ||
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| // pass in sprites to move them with the background | ||
| bool scroll(UINT8 player_x, UINT8 x_mod, UINT8 y_mod, UINT8 *level_left, UINT8 *scrolled) { | ||
| if (x_mod <= 0) { | ||
| return false; | ||
| } | ||
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| if (player_x < gameplay_x) { | ||
| return false; | ||
| } | ||
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| if (*level_left <= 0) { | ||
| return false; | ||
| } | ||
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| // decrement level_left by x_mod | ||
| *level_left = *level_left - x_mod; | ||
| *scrolled = *scrolled + x_mod; | ||
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| scroll_bkg(x_mod, y_mod); | ||
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| return true; | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,4 @@ | ||
| #include <gb/gb.h> | ||
| #include <stdbool.h> | ||
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| bool scroll(UINT8 player_x, UINT8 x_mod, UINT8 y_mod, UINT8 *level_left, UINT8 *scrolled); |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,40 @@ | ||
| #include <gb/gb.h> | ||
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| // This will be used for bosses and the character | ||
| struct Large { | ||
| UBYTE sprite_id[4]; | ||
| UINT8 x; | ||
| UINT8 y; | ||
| UINT8 width; | ||
| UINT8 height; | ||
| }; | ||
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| typedef struct Large Large; | ||
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| void move_large(Large *large, UINT8 x, UINT8 y) { | ||
| large->x = x; | ||
| large->y = y; | ||
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| move_sprite(large->sprite_id[0], large->x, large->y); | ||
| move_sprite(large->sprite_id[1], large->x, large->y + 8); | ||
| move_sprite(large->sprite_id[2], large->x + 8, large->y); | ||
| move_sprite(large->sprite_id[3], large->x + 8, large->y + 8); | ||
| } | ||
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| void init_large(Large *large, UBYTE *sprite_ids, UINT8 x, UINT8 y, UINT8 width, UINT8 height) { | ||
| large->sprite_id[0] = sprite_ids[0]; | ||
| large->sprite_id[1] = sprite_ids[1]; | ||
| large->sprite_id[2] = sprite_ids[2]; | ||
| large->sprite_id[3] = sprite_ids[3]; | ||
| large->x = x; | ||
| large->y = y; | ||
| large->width = width; | ||
| large->height = height; | ||
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| set_sprite_tile(large->sprite_id[0], large->sprite_id[0]); | ||
| set_sprite_tile(large->sprite_id[1], large->sprite_id[1]); | ||
| set_sprite_tile(large->sprite_id[2], large->sprite_id[2]); | ||
| set_sprite_tile(large->sprite_id[3], large->sprite_id[3]); | ||
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| move_large(large, large->x, large->y); | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,12 @@ | ||
| #include <gb/gb.h> | ||
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| typedef struct { | ||
| UBYTE sprite_id[4]; | ||
| UINT8 x; | ||
| UINT8 y; | ||
| UINT8 width; | ||
| UINT8 height; | ||
| } Large; | ||
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| void init_large(Large *large, UBYTE *sprite_ids, UINT8 x, UINT8 y, UINT8 width, UINT8 height); | ||
| void move_large(Large *large, UINT8 x, UINT8 y); |
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