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character: store image scale as spritesheet property

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This allows streamed spritesheets to not be mistakenly rescaled.
This commit is contained in:
Sebastian Krzyszkowiak 2019-11-18 12:56:46 +01:00
parent 5981486764
commit c74fbc2be8
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GPG key ID: E8F235CF3BDBC3FF
2 changed files with 18 additions and 14 deletions
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31
src/character.c
View file

@ -59,7 +59,7 @@ SYMBOL_EXPORT void SelectSpritesheet(struct Game* game, struct Character* charac
}
character->frame = malloc(sizeof(struct SpritesheetFrame));
*(character->frame) = tmp->stream(game, 0.0, tmp->stream_data);
character->frame->_priv.image = al_create_sub_bitmap(character->frame->bitmap, character->frame->sx * LIBSUPERDERPY_IMAGE_SCALE, character->frame->sy * LIBSUPERDERPY_IMAGE_SCALE, (character->frame->sw > 0) ? (character->frame->sw * LIBSUPERDERPY_IMAGE_SCALE) : al_get_bitmap_width(character->frame->bitmap), (character->frame->sh > 0) ? (character->frame->sh * LIBSUPERDERPY_IMAGE_SCALE) : al_get_bitmap_height(character->frame->bitmap));
character->frame->_priv.image = al_create_sub_bitmap(character->frame->bitmap, character->frame->sx * tmp->scale, character->frame->sy * tmp->scale, (character->frame->sw > 0) ? (character->frame->sw * tmp->scale) : al_get_bitmap_width(character->frame->bitmap), (character->frame->sh > 0) ? (character->frame->sh * tmp->scale) : al_get_bitmap_height(character->frame->bitmap));
tmp->width = al_get_bitmap_width(character->frame->bitmap);
tmp->height = al_get_bitmap_height(character->frame->bitmap);
@ -122,8 +122,8 @@ SYMBOL_EXPORT void LoadSpritesheets(struct Game* game, struct Character* charact
}
tmp->filepath = strdup(filename);
tmp->bitmap = AddBitmap(game, filename);
tmp->width = (al_get_bitmap_width(tmp->bitmap) / LIBSUPERDERPY_IMAGE_SCALE) / tmp->cols;
tmp->height = (al_get_bitmap_height(tmp->bitmap) / LIBSUPERDERPY_IMAGE_SCALE) / tmp->rows;
tmp->width = (al_get_bitmap_width(tmp->bitmap) / tmp->scale) / tmp->cols;
tmp->height = (al_get_bitmap_height(tmp->bitmap) / tmp->scale) / tmp->rows;
}
for (int i = 0; i < tmp->frame_count; i++) {
if ((!tmp->frames[i].bitmap) && (tmp->frames[i].file)) {
@ -139,15 +139,15 @@ SYMBOL_EXPORT void LoadSpritesheets(struct Game* game, struct Character* charact
tmp->frames[i].bitmap = AddBitmap(game, filename);
tmp->frames[i]._priv.filepath = strdup(filename);
} else if (!tmp->frames[i].bitmap) {
tmp->frames[i].bitmap = al_create_sub_bitmap(tmp->bitmap, tmp->frames[i].col * tmp->width * LIBSUPERDERPY_IMAGE_SCALE, tmp->frames[i].row * tmp->height * LIBSUPERDERPY_IMAGE_SCALE, tmp->width * LIBSUPERDERPY_IMAGE_SCALE, tmp->height * LIBSUPERDERPY_IMAGE_SCALE);
tmp->frames[i].bitmap = al_create_sub_bitmap(tmp->bitmap, tmp->frames[i].col * tmp->width * tmp->scale, tmp->frames[i].row * tmp->height * tmp->scale, tmp->width * tmp->scale, tmp->height * tmp->scale);
}
tmp->frames[i]._priv.image = al_create_sub_bitmap(tmp->frames[i].bitmap, tmp->frames[i].sx * LIBSUPERDERPY_IMAGE_SCALE, tmp->frames[i].sy * LIBSUPERDERPY_IMAGE_SCALE, (tmp->frames[i].sw > 0) ? (tmp->frames[i].sw * LIBSUPERDERPY_IMAGE_SCALE) : al_get_bitmap_width(tmp->frames[i].bitmap), (tmp->frames[i].sh > 0) ? (tmp->frames[i].sh * LIBSUPERDERPY_IMAGE_SCALE) : al_get_bitmap_height(tmp->frames[i].bitmap));
tmp->frames[i]._priv.image = al_create_sub_bitmap(tmp->frames[i].bitmap, tmp->frames[i].sx * tmp->scale, tmp->frames[i].sy * tmp->scale, (tmp->frames[i].sw > 0) ? (tmp->frames[i].sw * tmp->scale) : al_get_bitmap_width(tmp->frames[i].bitmap), (tmp->frames[i].sh > 0) ? (tmp->frames[i].sh * tmp->scale) : al_get_bitmap_height(tmp->frames[i].bitmap));
int width = al_get_bitmap_width(tmp->frames[i]._priv.image) / LIBSUPERDERPY_IMAGE_SCALE + tmp->frames[i].x;
int width = al_get_bitmap_width(tmp->frames[i]._priv.image) / tmp->scale + tmp->frames[i].x;
if (width > tmp->width) {
tmp->width = width;
}
int height = al_get_bitmap_height(tmp->frames[i]._priv.image) / LIBSUPERDERPY_IMAGE_SCALE + tmp->frames[i].y;
int height = al_get_bitmap_height(tmp->frames[i]._priv.image) / tmp->scale + tmp->frames[i].y;
if (height > tmp->height) {
tmp->height = height;
}
@ -226,13 +226,13 @@ SYMBOL_EXPORT void PreloadStreamedSpritesheet(struct Game* game, struct Characte
PrintConsole(game, " - frame %d", i);
spritesheet->frames[i] = spritesheet->stream(game, delta, spritesheet->stream_data);
spritesheet->frames[i]._priv.image = al_create_sub_bitmap(spritesheet->frames[i].bitmap, spritesheet->frames[i].sx * LIBSUPERDERPY_IMAGE_SCALE, spritesheet->frames[i].sy * LIBSUPERDERPY_IMAGE_SCALE, (spritesheet->frames[i].sw > 0) ? (spritesheet->frames[i].sw * LIBSUPERDERPY_IMAGE_SCALE) : al_get_bitmap_width(spritesheet->frames[i].bitmap), (spritesheet->frames[i].sh > 0) ? (spritesheet->frames[i].sh * LIBSUPERDERPY_IMAGE_SCALE) : al_get_bitmap_height(spritesheet->frames[i].bitmap));
spritesheet->frames[i]._priv.image = al_create_sub_bitmap(spritesheet->frames[i].bitmap, spritesheet->frames[i].sx * spritesheet->scale, spritesheet->frames[i].sy * spritesheet->scale, (spritesheet->frames[i].sw > 0) ? (spritesheet->frames[i].sw * spritesheet->scale) : al_get_bitmap_width(spritesheet->frames[i].bitmap), (spritesheet->frames[i].sh > 0) ? (spritesheet->frames[i].sh * spritesheet->scale) : al_get_bitmap_height(spritesheet->frames[i].bitmap));
int width = al_get_bitmap_width(spritesheet->frames[i]._priv.image) / LIBSUPERDERPY_IMAGE_SCALE + spritesheet->frames[i].x;
int width = al_get_bitmap_width(spritesheet->frames[i]._priv.image) / spritesheet->scale + spritesheet->frames[i].x;
if (width > spritesheet->width) {
spritesheet->width = width;
}
int height = al_get_bitmap_height(spritesheet->frames[i]._priv.image) / LIBSUPERDERPY_IMAGE_SCALE + spritesheet->frames[i].y;
int height = al_get_bitmap_height(spritesheet->frames[i]._priv.image) / spritesheet->scale + spritesheet->frames[i].y;
if (height > spritesheet->height) {
spritesheet->height = height;
}
@ -383,6 +383,8 @@ SYMBOL_EXPORT void RegisterSpritesheet(struct Game* game, struct Character* char
s->frames[i].end = i == (s->frame_count - 1) ? true : false;
}
s->scale = LIBSUPERDERPY_IMAGE_SCALE;
s->stream = NULL;
s->stream_data = NULL;
s->stream_destructor = NULL;
@ -398,6 +400,7 @@ SYMBOL_EXPORT void RegisterStreamedSpritesheet(struct Game* game, struct Charact
spritesheet->stream = callback;
spritesheet->stream_data = data;
spritesheet->stream_destructor = destructor;
spritesheet->scale = 1.0;
}
SYMBOL_EXPORT void RegisterSpritesheetFromBitmap(struct Game* game, struct Character* character, char* name, ALLEGRO_BITMAP* bitmap) {
@ -680,7 +683,7 @@ SYMBOL_EXPORT void AnimateCharacter(struct Game* game, struct Character* charact
free(character->frame);
character->frame = malloc(sizeof(struct SpritesheetFrame));
*(character->frame) = character->spritesheet->stream(game, duration, character->spritesheet->stream_data);
character->frame->_priv.image = al_create_sub_bitmap(character->frame->bitmap, character->frame->sx * LIBSUPERDERPY_IMAGE_SCALE, character->frame->sy * LIBSUPERDERPY_IMAGE_SCALE, (character->frame->sw > 0) ? (character->frame->sw * LIBSUPERDERPY_IMAGE_SCALE) : al_get_bitmap_width(character->frame->bitmap), (character->frame->sh > 0) ? (character->frame->sh * LIBSUPERDERPY_IMAGE_SCALE) : al_get_bitmap_height(character->frame->bitmap));
character->frame->_priv.image = al_create_sub_bitmap(character->frame->bitmap, character->frame->sx * character->spritesheet->scale, character->frame->sy * character->spritesheet->scale, (character->frame->sw > 0) ? (character->frame->sw * character->spritesheet->scale) : al_get_bitmap_width(character->frame->bitmap), (character->frame->sh > 0) ? (character->frame->sh * character->spritesheet->scale) : al_get_bitmap_height(character->frame->bitmap));
}
} else {
character->frame = &character->spritesheet->frames[character->pos];
@ -767,7 +770,7 @@ SYMBOL_EXPORT void DrawCharacter(struct Game* game, struct Character* character)
0, 0,
al_get_bitmap_width(character->frame->_priv.image), al_get_bitmap_height(character->frame->_priv.image),
character->frame->x, character->frame->y,
al_get_bitmap_width(character->frame->_priv.image) / LIBSUPERDERPY_IMAGE_SCALE, al_get_bitmap_height(character->frame->_priv.image) / LIBSUPERDERPY_IMAGE_SCALE,
al_get_bitmap_width(character->frame->_priv.image) / character->spritesheet->scale, al_get_bitmap_height(character->frame->_priv.image) / character->spritesheet->scale,
0);
/*al_hold_bitmap_drawing(false);
@ -852,10 +855,10 @@ SYMBOL_EXPORT bool IsOnCharacter(struct Game* game, struct Character* character,
al_invert_transform(&transform);
al_transform_coordinates(&transform, &x, &y);
int xpos = (int)x - character->frame->x, ypos = (int)y - character->frame->y;
if (xpos < 0 || ypos < 0 || xpos >= al_get_bitmap_width(character->frame->_priv.image) / LIBSUPERDERPY_IMAGE_SCALE || ypos >= al_get_bitmap_height(character->frame->_priv.image) / LIBSUPERDERPY_IMAGE_SCALE) {
if (xpos < 0 || ypos < 0 || xpos >= al_get_bitmap_width(character->frame->_priv.image) / character->spritesheet->scale || ypos >= al_get_bitmap_height(character->frame->_priv.image) / character->spritesheet->scale) {
return false;
}
ALLEGRO_COLOR color = al_get_pixel(character->frame->_priv.image, xpos * LIBSUPERDERPY_IMAGE_SCALE, ypos * LIBSUPERDERPY_IMAGE_SCALE);
ALLEGRO_COLOR color = al_get_pixel(character->frame->_priv.image, xpos * character->spritesheet->scale, ypos * character->spritesheet->scale);
return (color.a > 0.0);
}

1
src/character.h
View file

@ -75,6 +75,7 @@ struct Spritesheet {
int offsetY;
bool flipX;
bool flipY;
double scale;
struct SpritesheetFrame* frames;
bool shared; /*!< Marks the spritesheet bitmaps as shared, so they won't be freed together with the spritesheet. */
SpritesheetStream* stream;